• Large sulfur isotope fractionation by bacterial sulfide oxidation. (cam.ac.uk)
  • The temperature dependent isotope fractionation of 0.02‰/°C deduced from this study is similar to inorganic aragonite, but the degree of isotope fractionation is about +0.4‰ offset in corals. (elsevier.com)
  • These observations agree with earlier results on different coral species, suggesting Ca isotope fractionation during Ca transmembrane transport in corals. (elsevier.com)
  • While in cultured corals a significant temperature dependence of δ 44 Ca is observed, the relationships between calcium isotope fractionation and pH as well as light intensity are negligible. (elsevier.com)
  • Using the cytosolic SHMT from pig liver, we measured the natural carbon isotope ratios of both atoms involved in the bond splitting by chemical degradation of the remaining serine before and after partial turnover. (sciencegate.app)
  • Enrichment or depletion ranging from −40 to +100% in the major isotopes 16O and 24Mg were observed experimentally in solids condensed from carbonaceous plasma composed of CO2/MgCl2/Pentanol or N2O/Pentanol for O and MgCl2/Pentanol for Mg. In NanoSims imaging, isotope effects appear as micrometer-size hotspots embedded in a carbonaceous matrix showing no isotope fractionation. (sciencegate.app)
  • Although the chemical reactants used in the present experiments cannot be directly transposed to the protosolar nebula, a similar MIF mechanism is proposed for oxygen isotopes: at high temperature, at the surface of grains, a mass-independent isotope exchange could have taken place between condensing oxides and oxygen atoms originated form the dissociation of CO or H2O gas. (sciencegate.app)
  • Our most active research threads center on relating strain to surface evolution, mountain-scale dynamics, mid- to lower-crustal rheology, elastic anisotropy, earthquake geology, microstructural evolution, magma dynamics, pressure-temperature and chemical evolution of metamorphic rocks, stable isotope fractionation and mineral paragenesis. (umaine.edu)
  • Schauble, Edwin A. " Applying Stable Isotope Fractionation Theory to New Systems . (edu.ng)
  • I oversaw an extended laboratory experiment that used a technique called isotope fractionation to track water -percolating through -buckets filled with savannah soil. (princeton.edu)
  • In addition to becoming familiar with the scientific -theory -behind -isotope fractionation, I learned how to wire dataloggers for the -simultaneous -automated operation of many different sensors, and became more experienced with writing -computer programs to process collected data. (princeton.edu)
  • Simulating speleothem growth in the laboratory: Determination of the stable isotope fractionation (d 13 C and d 18 O) between H 2 O, DIC and CaCO 3 . (uni-mainz.de)
  • Chemical separation and MC-ICPMS analysis of U, Th, Pa and Ra isotope ratios of carbonates. (uni-mainz.de)
  • This interpretation is consistent with the understanding of the chemical controls on isotope fractionation and is analogous to the previously posed explanation for the 15 N/ 14 N elevation of herbivorous zooplankton. (princeton.edu)
  • A major class of chondrites, distinguished by sub-solar Mg/Si and refractory/Si ratios, oxygen isotope compositions that plot above the terrestrial fractionation line, and a large volume percentage of chondrules, with only 10-15 vol% fine-grained matrix. (usra.edu)
  • The high-iron (H) chemical group of ordinary chondrites, distinguished by their high siderophile element content, relatively small chondrules (~0.3 mm), and oxygen isotope compositions that are closer to the terrestrial fractionation line than those of other ordinary chondrites. (usra.edu)
  • Carbon isotope fractionation of chlorinated ethenes during oxidation by Fe2+ activated persulfate. (ub.edu)
  • To explain the isotope anomaly in atmospheric N2O, we propose a chemical mechanism for heavy oxygen transfer from O3 to N2O. (uea.ac.uk)
  • Harold Urey's equally seminal contribution was his classic paper "The thermodynamic properties of isotopic substances", also published in 1947, in which he calculated the equilibrium separation factors for isotopes of the light elements in chemical reactions and solid-liquid-vapor phase equilibria, based on quantum mechanics and spectroscopic data on isotopic molecules. (balzan.org)
  • The ratio of these isotopes in natural materials varies slightly as a result of isotopic fractionation due to physical, chemical and biological processes. (chiron.no)
  • Such melting under low-pressure conditions is expected to result in evaporation of moderately volatile magnesium and silicon and their mass-dependent isotopic fractionation. (st-andrews.ac.uk)
  • The evaporation of silicate melts has been extensively studied in vacuum laboratory experiments and a large experimental database on chemical and isotopic fractionations now exists. (st-andrews.ac.uk)
  • The experiments show that although at 2×10−4 bar H2 magnesium and silicon evaporate ∼2.8 times faster than at 2×10−5 bar H2 and ∼45 times faster than in vacuum, their relative evaporation rates and isotopic fractionation factors remain the same. (st-andrews.ac.uk)
  • This means that the chemical and isotopic evolutions of all evaporation residues plot along a single evaporation trajectory regardless of experimental conditions (vacuum or low-PH2) and sample size. (st-andrews.ac.uk)
  • The independence of chemical and isotopic evaporation trajectories on PH2 of the surrounding gas imply that the existing extensive experimental database on vacuum evaporation of CAI-like materials can be safely used to model the evaporation under solar nebula conditions, taking into account the dependence of evaporation kinetics on PH2. (st-andrews.ac.uk)
  • The expected chemical and isotopic features are compatible to those typically observed in coarse-grained Type A and B CAIs. (st-andrews.ac.uk)
  • The stable isotopes of nitrogen are subject to isotopic fractionation by physical, chemical, and biological processes. (chemistryaz.com)
  • Chlorine is subject to isotopic fractionation by physical and chemical processes. (cfpresolana.it)
  • This study presents the chemical and isotopic compositions of hydrothermal gases from fumaroles discharging around Copahue volcano (Argentina). (springer.com)
  • The abundance of 13 C in marine organic matter and isotopic fractionation in the global biogeochemical cycle of carbon during the past 800 Ma. (kirj.ee)
  • The influence of organic complexation on Ni isotopic fractionation and Ni recycling in the upper soil layers. (archives-ouvertes.fr)
  • In this model, DON is produced from PN susp without isotopic fractionation but DON is removed by fractionating processes. (princeton.edu)
  • The ratio of these isotopes in natural materials varies slightly as a result of isotopic fractionation during physical, chemical and biological processes resulting, in some cases, with the relative isotopic ratio of specific compounds being highly diagnostic of key environmental processes. (huangrjlab.com)
  • Meter-scale chemical and isotopic heterogeneities in the oceanic mantle, Leka Ophiolite Complex, Norway. (ucsd.edu)
  • Chemical and isotopic features of cold and thermal fluids discharged in the Southern Volcanic Zone between 32.5°S and 36°S: Insights into the physical and chemical processes controlling fluid geochemistry in geothermal systems of Central Chile. (unifi.it)
  • Fig.2 Chemical fraction and bioavailability index of measured metal elements in (a) dust, (b) biomass burning emissions, (c) bituminite coal combustion emissions, (d) anthracite combustion emissions, and (e) ambient PM 2.5 in Beijing. (huangrjlab.com)
  • There are critical chemical reactions that occur on the surface of catalysts in order to transform lignocellulosic biomass into biofuels and other bioproducts. (energy.gov)
  • In the first stages of biomass-to-fuel processes, deconstruction and fractionation of biomass into chemicals such as oils, alcohols, sugars, and gases occur. (energy.gov)
  • Overall, the objective of biomass-to-fuel process catalyst design is to enable low energy (low temperature) chemical conversion to select chemicals suitable for blending into transportation fuels through an atomic scale understanding of reaction mechanisms and structure/property relationships. (energy.gov)
  • Biomass offers the most readily implementable solution to non-petroleum organic molecules for the manufacture of bulk, fine and specialty chemicals, polymers and transportation fuels. (grc.org)
  • The processes that can be realized in the pilot plant for fractionation of lignocellulosic biomass are shown in the simplified plant diagram. (fraunhofer.de)
  • It resulted in the overall fractionation of biomass, thus allowing a complete valorization of the input. (ocl-journal.org)
  • Research activities in the bioenergy domain, particularly chemical pre-treatments of biomass and conversion of lignocellulosic hydrolysates (added-value products, liquid biofuels) aiming an integrated upgrade in the biorefineries framework. (ulisboa.pt)
  • Its leaching kinetics include only the first rapid leaching step, with the disappearance of the second slow-leaching step due to the absence of the interaction between acidic leachate and biomass.The results suggest that in the sequential extraction scheme used in chemical fractionation, semi-continuous (instead of batch) water leaching method should be used for quantifying water-soluble inorganic species in biomass. (edu.au)
  • However, due to the physical-chemical differences between coals and biomass, in this work only the applicability of an ash fusibility index (AFI) to the combustion and co-combustion of three types of biomass (straw pellets, olive cake and wood pellets) with coals was evaluated. (unl.pt)
  • In the soil, it will be analyzed the organic matter quality, through physical and chemical fractionation, and the total and inorganic N levels, and C and N microbial biomass levels. (fapesp.br)
  • A separation method was applied to recover and characterise Se and Te NPs by asymmetric flow field flow fractionation (AF4) with online coupling to multi-angle light scattering (MALS), ultraviolet visible spectroscopy (UV-Vis), and inductively coupled plasma mass spectrometry (ICP-MS) detectors. (elsevier.com)
  • The results demonstrate a complementary application of asymmetric flow field-flow fractionation (AF4), ICP-MS, light scattering, UV-Vis detection, and microscopic techniques to characterise biogenic Se and Te NPs. (elsevier.com)
  • Multi-detector asymmetric-flow field-flow fractionation (MD-AF4) has been recognized as an invaluable tool for the characterization of particle size, polydispersity, drug loading and stability of nanopharmaceuticals. (biopharminternational.com)
  • Many of these chemicals are capable of interfering with endocrine signaling via a complex array of biomolecules (e.g., hormones) to regulate processes such as reproduction and metabolism. (biomedcentral.com)
  • Chemical plants rely on continuous and batch production processes, each posing different requirements for a control system. (yokogawa.com)
  • As the processes, products and value chain of the chemical industry are becoming more complex and sophisticated, so too are customer requirements. (yokogawa.com)
  • Europe has been the cradle of high pressure technology in the 20s and 30s when most relevant high pressure chemical processes and plants were developed. (efce.info)
  • These enrichments could have arisen from mineral fractionation processes during the bulk transport and erosional deflation of clastic materials. (nau.edu)
  • Sustainable production of clean water, energy, chemicals, and pharmaceuticals is largely impacted by the efficiency of separation processes in product supply chains. (gatech.edu)
  • In particular, I investigate fluid-rock interaction processes and the fundamental links between mineral reactions and biogenic activity, and how the chemical interaction between the geosphere, hydrosphere and biosphere impacts the global geochemical cycles. (fu-berlin.de)
  • The aim of my research is to investigate the chemical and petrophysical changes during rock alteration and to evaluate the links between abiogenic and biogenic processes. (fu-berlin.de)
  • The chemical fractionation processes call him use in molecules of Muhammad. (mildewks.tk)
  • Rocks and landforms at Earth's surface, potentially hazardous volcanic and seismic activity, the response of Earth's surface to icecaps that come and go with changing climate, and the slow but inexorable movement of continents all result from the interaction of physical and chemical processes taking place throughout Earth's crust and mantle. (umaine.edu)
  • Our ongoing and new capacity for microanalysis, including optical microscopy, energy- and wavelength-dispersive spectrometry, cathodoluminescence, and electron backscatter diffraction, along with grain- through orogen-scale numerical modeling and supercomputer applications, allow us to develop groundbreaking ideas related to coupled physical and chemical processes that shape Earth's surface and drive evolution of its lithosphere. (umaine.edu)
  • I am interested in how metamorphic processes influence arc magma geochemistry, and how the physical and chemical changes that take place during subduction leave their fingerprints in the rock record. (umaine.edu)
  • Also, greener fragrance formulations are sustainable, as these processes include conversion, extraction, and fractionation, which are cleaner and efficient with less waste generated and energy used. (fortunebusinessinsights.com)
  • Privi Speciality Chemicals Limited, for instance, aims to reduce emissions, improve eco-friendly operations, and recycle waste through its manufacturing processes. (fortunebusinessinsights.com)
  • The mission of ProVIS is to identify and characterize (bio)-chemical processes driven by microorganisms in soil, water, plants, human tissue and blood. (ufz.de)
  • Alfa Laval has a full range of fat modification processes such as fat hardening, interesterification (chemical or enzymatic), dry fractionation and semi-continuous deodorization. (alfalaval.no)
  • Expertise in the use of fermentation, centrifugation, fluidized bed and atomization drying processes, cell fractionation, membrane filtration, physico-chemical characterizations and R&D and scaling Saccharomyces and non-Saccharomyces types bakery, brewing and wine yeast production. (gc.ca)
  • The content of chemical compounds of two leguminous plants ( Alysicarpus ovalifolius and Indigofera pilosa ) was given through chromatographic methods (HPLC) and spectrocolorimetry. (scirp.org)
  • Using chemical reactions, it may then be broken down further to produce compounds called oleochemicals. (chinadialogue.net)
  • Plants have the ability to synthesize a wide variety of chemical compounds that are used â ¦ The chemicals atropine and scopolamine, which are derived from belladonna, have important medicinal properties. (portanywhere.com)
  • Especially, it is effective for the separation and fractionation of racemates of chiral compounds, which are important ingredients for medicines. (jascoinc.com)
  • In 1995, JASCO's group successfully demonstrated preparative chiral separation by prep-SFC with stack injections, and showed the method was very efficient and suitable for fractionation of chiral compounds 1). (jascoinc.com)
  • The bioassay-guided fractionation led to the isolation of three compounds from turmeric (1-3) and three compounds from nutmeg (4-6). (usda.gov)
  • Dormant Bacillus subtilis spores can be induced to germinate by vitamins, in addition to by nonmetabolizable chemical compounds , similar to a 1:1 chelate of Ca (2+) and dipicolinic acid (DPA). (duccplatform.org)
  • The NCERC is a nationally recognized research center dedicated to the development and commercialization of biofuels, specialty chemicals and other renewable compounds. (siue.edu)
  • A phytochemical fractionation scheme was used to identify potential bioactive compounds as confirmed by HPLC retention times and UV-Vis spectra. (biomedcentral.com)
  • Biophenol is french start-up developing a fractionation process that extract phenolic compounds out of pyrolysis wood bio-oil. (solarimpulse.com)
  • Nitrogen has two naturally occurring isotopes, nitrogen-14 and nitrogen-15, which can be separated with chemical exchanges or thermal diffusion. (chemistryaz.com)
  • Polyakov, Veniamin B. " Equilibrium fractionation of the iron isotopes: Estimation from Mössbauer spectroscopy data . (edu.ng)
  • Fractionation of Th and Pa daughter isotopes from U parent isotopes. (chempedia.info)
  • This represents extreme chemical fractionation of parent and daughter isotopes within the hydrosphere. (chempedia.info)
  • Photodissociation Photoexcitation and Dissociation Probabilities for the Sulfur Isotopologues of SO2 SO and CS2 and Application to Sulfur MIF Photodissociation, photoexcitation, and dissociation probabilities for the sulfur isotopologues of SO2, SO, and CS2, and application to sulfur MIF The objective of this proposal is to identify the chemical mechanism responsible for the mass-independent fractionation of sulfur isotopes seen in Archean sedimentary rocks. (elsevier.com)
  • Chemical Geology 267, no. 3-4 (2009): 164-74. (edu.ng)
  • Chemical Geology 205, no. 1 (2004): 99-114. (edu.ng)
  • Chemical Geology , 161 , 103-125. (kirj.ee)
  • Chemical Geology , 587 , 17. (ucsd.edu)
  • Chemical Geology , 602 , 120901. (ucsd.edu)
  • Chemical Geology , 582 , 13. (ucsd.edu)
  • Chemical Geology , 296-297 , 73 - 82. (bris.ac.uk)
  • These pools are subsequently fractionated by cold ethanol fractionation and additional chromatography steps. (medscape.com)
  • Centrifugal partition chromatography (CPC) was used as a fractionation and purification tool, guided by an in vitro adenosine diphosphate (ADP), arachidonic acid or collagen-platelet aggregation assay. (rsc.org)
  • A mucopolysaccharidase derived from a pathogenic strain of Bacteroides distasonis was isolated and purified by fractionation with cold acetone and ion-exchange chromatography on DEAE-cellulose, pH 8·0. (microbiologyresearch.org)
  • The phytotoxicity and cytotoxicity indices of the crude hydro-ethanol extract and fractions were evaluated using Lemna minor and brine shrimp lethality assays, respectively, while chemical composition of the oily hexane:ethylacetate fraction was determined by gas chromatography-mass spectroscopy (GC-MS) technique. (springeropen.com)
  • These emerging separations include natural gas liquid fractionation, air separation, carbon capture, and solvent recovery. (gatech.edu)
  • Saleh, ZS & Hossain, MM 2001, ' A study of the separation of proteins from multicomponent mixtures by a semi-batch foaming process ', Chemical Engineering and Processing , vol. 40, no. 4, pp. 371-378. (elsevier.com)
  • Because of this flexibility, it can be used for the separation, characterization and fractionation of nearly any macromolecules or nanoparticles. (norlab.com)
  • 6) skin cancer among workers handling distillation and fractionation products of coal, oil, shale, lignite and petroleum. (buyacustomessay.com)
  • We have developed a model based around three measurable pools of SOM which can be measured using a density-based fractionation procedure, and verified by extensive chemical characterization. (bioenergylists.org)
  • Proximate analysis, physicochemical properties and chemical constituents characterization of Moringa oleifera (Moringaceae) seed oil using GC-MS analysis. (arccjournals.com)
  • A unique international collaboration, involving two state-of-the-art infrastructures in the field of nanomedicine-the European Nanomedicine Characterization Laboratory (EUNCL) and the National Cancer Institute Nanotechnology Characterisation Laboratory (NCI-NCL)-has led to the development of a robust SOP for the measurement of physical-chemical properties of nanopharmaceuticals by MD-AF4. (biopharminternational.com)
  • The efficient fractionation and recovery of all important chemical components (cellulose, hemicelluloses, and lignin) of such feedstocks are a prerequisite for realistic biorefinery concepts. (jyu.fi)
  • Since the molecular motions are much more uniform than those that occur in a gel, it is anticipated that the arrays will permit more efficient fractionation than traditional pulsed-field gel electrophoresis. (princeton.edu)
  • In this report, we demonstrate a highly efficient fractionation with Dual Line Injection (DLI) method. (jascoinc.com)
  • Their overall chemical composition closely resembles the elemental composition of the Sun (and hence the whole Solar System), more so than any other type of meteorite. (wikipedia.org)
  • The defining feature of CI meteorites is their chemical composition, rich in volatile elements- richer than any other meteorites. (wikipedia.org)
  • A process by means of which @ [email protected] species differing in some characteristic (chemical composition, @ [email protected] , branching, stereoregularity, etc.) are separated from each other. (iupac.org)
  • The present study aimed to determine the chemical composition, antioxidant effects and antitumor properties of a methanol extract of Anchusa azurea Mill. (usda.gov)
  • Application of spectroscopy (NIR) to assess the chemical composition (extractive and lignin content) to develop PLS-R models will be used in breeding programs for enhanced wood quality. (ulisboa.pt)
  • Check out the findings from the GERG report on the use of a Raman Rxn4 analyzer and Raman Rxn-41 cryogenic probe for the reliable chemical composition measurement in LNG custody transfer applications. (endress.com)
  • Since the levels of the biodegradability and toxicity of the wastewater to be treated were unknown, Sisaqua Company asked the New University of Lisboa to develop and execute a monitoring plan to define the chemical composition and the levels of the biodegradability and toxicity of the wastewater. (unl.pt)
  • After fractionation, the samples showed significant amounts of smectite and kaolinite, which combined with the size, particle distribution, chemical composition, and high adsorption capacity, especially in the PDL and PV samples, make them potentially interesting for applications in pharmaceutical and cosmetic products, they can also be used in spas and esthetic centers for therapeutic purposes based on their softness and cation exchange capacity. (intechopen.com)
  • Phytotoxicity, cytotoxicity and chemical composition of Spondias mombin Linn. (springeropen.com)
  • This study evaluates the phytotoxicity, cytotoxicity and chemical composition of the plant's stem bark. (springeropen.com)
  • 2021/6/30· Write the balanced equation for the following chemical reactions. (cfpresolana.it)
  • The Center's fully functional dry grind pilot plant and laboratories are equipped with advanced biofuels capabilities including corn fractionation, pretreatment, and a fermentation suite with 5, 30, 150 and 1500L scale-up. (siue.edu)
  • Genes are DNA (Nucleic Acid) Mendle's experiments in the late 19 th century the showed that a gene is a discrete chemical entity (unit of heredity) that is capable of changing (mutable). (fdocuments.net)
  • Subsequent experiments in the early to middle of the 20 th century showed that chemical entity is a nucleic acid, most commonly DNA. (fdocuments.net)
  • New laboratory experiments demonstrate that the fractionation during UV photolysis of N2O, which causes 15N and 18O enrichments in the stratosphere, is strictly mass dependent (?17O = 0). (uea.ac.uk)
  • The WP contribution to Development of Sustainable Chemical and Process Technologies (DSCPT) involves substitution of organic solvents by the use of harmless compressed gasses, i.e. water and carbon dioxide at high pressure, in many applications of the chemical, food, pharmaceutical, biochemical, cosmetic, materials industries. (efce.info)
  • It is the amount of substance which consists of the same number of chemical units as there are atoms in exactly 12 gram of pure carbon-12. (guru99.com)
  • The technology used to convert ethanol into butanol is called a catalyst - these are chemicals which can speed up and control a chemical reaction and are already widely used in the petrochemical industry. (brightsurf.com)
  • Scientists at the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have developed a chemocatalytic approach to convert cellulose into ethanol in a one-pot process by using a multifunctional Mo/Pt/WOx catalyst. (brightsurf.com)
  • During use, the high temperatures and friction cause changes such as oxidation, nitration, and cracking of polymers in the component chemicals (Vazquez-Duhalt 1989). (cdc.gov)
  • Subsequently, the FPBO is fractionated -based on chemical functionality- by liquid-liquid extraction yielding a reactive lignin fraction and a sugar-rich fraction, both being excellent starting materials to produce sustainable, bio-based chemicals & materials. (newwave-horizon.eu)
  • Manganese fractionation using a sequential extraction method to evaluate welders' shielded metal arc welding exposures during construction projects in oil refineries. (cdc.gov)
  • Solvent extraction is a chemical extraction where the oil is extracted using a solvent. (crowniron.com)
  • Physico-Chemical Heterogeneity of Organic-Rich Sediments in the Rifle Aquifer, CO: Impact on Uranium Biogeochemistry. (archives-ouvertes.fr)
  • Fluorinated solvents and specialty chemicals that require medium to atmospheric distillation are processed using our packed column glass stills. (tmcindustries.com)
  • This knowledgeable team has the flexibility and expertise to design and carry out projects in any region of the advanced biofuels or specialty chemicals space. (siue.edu)
  • In the second phase of the "Lignocellulose Biorefinery" collaborative BMEL-funded project, the Organosolv fractionation was transferred to the pilot scale successfully, and in accordance with the biorefinery concept, it was demonstrated that the wood can be used as a feedstock for chemicals on the technical scale. (fraunhofer.de)
  • The diol 4-(3-hydroxypropyl) cyclohexan-1-ol is co-polymerized with methyl esters of terephthalic acid and furan dicarboxylic acid, both of which can be derived from the cellulose residues, to obtain polyesters with competitive Mw and thermal properties (T g of 70-90 °C). The polymers show excellent chemical recyclability in methanol and are thus promising candidates for the circular economy. (nature.com)
  • 2014). Pollucite is an indicator mineral for extreme chemical fractionation. (powermetalscorp.com)
  • The Professional Engineering Consultants (PEC) power and process engineering team delivers services related to the operation, maintenance and management of specialized industrial facilities including refineries, petrochemical plants, pharmaceutical plants, fractionation plants, renewables plants, power plants, chemical plants, oil/gas facilities and other process plants. (pec1.com)
  • 5. It is used for solvent recovery, single-component distillation, multi-component fractionation, rectification purification or chemical synthesis in petrochemical industry. (nbglassreactor.com)
  • In order to combat plastic pollution, the chemical recycling start-up, Quantafuel, has developed an innovative process that can considerably decrease the volume of non-recycled plastic waste while reducing the usage of natural oil and gas resources in the petrochemical industry. (hydrocarbonengineering.com)
  • HPLC-grade methanol used as a modifier solvent was purchased from Kanto Chemical Co., Inc., Tokyo Japan. (jascoinc.com)
  • The term 'solvent' refers to several chemical substances which are used to dissolve or dilute other substances or materials. (digivac.com)
  • These properties reinforce the resistance of the lignin polymer to depolymerize using biological and chemical methods, which have hindered both its isolation and widespread application. (biomedcentral.com)
  • Aquatic organisms are continuously exposed to complex mixtures of chemicals, many of which can interfere with their endocrine system, resulting in impaired reproduction, development or survival, among others. (biomedcentral.com)
  • Worldwide, aquatic organisms are exposed to mixtures of chemicals (e.g., pharmaceuticals, pesticides, and industrial chemicals), which enter the environment through wastewaters as well as other sources. (biomedcentral.com)
  • Foam fractionation offers an attractive method of separating/concentrating proteins (or their mixtures) from dilute solutions which are typical of many dairy, food and biological process streams. (elsevier.com)
  • Recently, fractionation and purification by Prep-SFC has been widely used as it offers low running cost, high-throughput and environmentally friendly green chemical process. (jascoinc.com)
  • By modeling a catalyst surface with DFT, the binding energy of adsorbed reactants can be determined, which gives important information on the preferred chemical reactions. (energy.gov)
  • These results suggest that MIF (mass-independent fractionation) effects can be induced by chemical reactions taking place in plasma. (sciencegate.app)
  • Un diagnostic des fractions de carbone organique, utilisées comme proxys des fonctions écosystémiques de la matière organique, permet d'établir des gammes de référence pour différents districts d'espace rural en Wallonie. (ac.be)
  • The samples were analyzed using an experimental method to separate different Mn fractions by valence states based on selective chemical solubility. (cdc.gov)
  • Chemical analyses prove heavily fluctuating mass fractions of S-CRMs in WEEE components. (tu-berlin.de)
  • The objective was to determine the physical and chemical properties of raw clays and the consequent granulometric fractions to evaluate their potential use in products with high added value. (intechopen.com)
  • The frequency of smuggling events involving radioactive materials is supply driven and is on the rise world-wide," the researchers write in the journal Analytical Chemistry , a publication of the American Chemical Society. (livescience.com)
  • Food laboratories should strengthen their detection and isolation of microbes, viruses and chemical toxins. (who.int)
  • Following treatment with physical and chemical viral inactivating regimens, as well as nanofiltration, these preparations are remarkably free of transmissible infectious agents. (medscape.com)
  • We make observations of the natural world, using field, analytical, geochemical and geophysical datasets, and explain these observations using basic physical and chemical principles. (umaine.edu)
  • Additives are added to lubricating oils to improve its physical and chemical properties. (cdc.gov)
  • The Crown Fractionation System separates corn into three components: starch, germ and bran. (crowniron.com)
  • This process begins with the corn being tempered, which enables the corn to absorb the moisture required for fractionation. (crowniron.com)
  • Biorefineries are an integral component to the transformation of the chemical industry from petroleum refineries to biobased chemical manufacturing. (grc.org)
  • Chemical Plants & Refineries: Distillation columns, tank farms, fractionation units, cokers and ethylene production units. (aluminumsheets.info)
  • Though my home -department is chemical and -biological engineering, spending the summer interning in a civil -engineering lab provided me with valuable insight into the many ways in which the two areas -overlap. (princeton.edu)
  • The supernatants were characterized for the same chemical and biological parameters as it was described for the composite sample. (unl.pt)
  • Anaerobic disinfection of soil is an effective method to kill unwanted bacteria, parasites and weeds without using chemical pesticides. (brightsurf.com)
  • According to Avogadro's law, at the same temperature and pressure, an equal volume of gases contains the same number of molecules regardless of the chemical nature and physical properties. (guru99.com)
  • These lipids can be used for biofuel production, which can potentially replace petroleum-derived chemicals. (biomedcentral.com)
  • Xenoestrogens or environmental estrogens, known as endocrine disruptor chemicals (EDCs), are synthetic or natural substances of high stability that exert toxicity by mimicking the effects of estrogens ( 17 ). (frontiersin.org)
  • Dosage of Some Chemical Substances in Two Plant Species: Alysicarpus ovalifolius (Sch. (scirp.org)
  • Chemical priming by humic substances is a promising field tool in plant stress physiology and crop stress management. (springeropen.com)
  • At a fractionation plant or refinery, the substances are "cleaned up", heated, cooled and separated. (northstarpropane.com)
  • These new chemicals are incompatible with living things substances to which human beings have never been exposed. (buyacustomessay.com)
  • Concerning the chromatograpy, special solvents quality HPLC (hexane, acetonitrile) have been used for fractionation. (scirp.org)
  • Series 7108 hose is designed for transfer of high aromatic content products such as ketone solvents, lacquers, paint thinners, oil-based and water-based paints and many common chemicals used in appliions to 93°C and 51,7 bar. (cfpresolana.it)
  • In the fractionation and hydrogenation section, hazards arose from polynuclear aromatics, aromatic amines, and other solvents and hydrogen-sulfide (7783064) (H2S). (cdc.gov)
  • Chemical Engineering and Processing-Process Intensification , 109086. (uni-bremen.de)
  • The combustion of black liquor (BL) in a recovery boiler is a central process in a kraft pulp mill for recovering the cooking chemicals and for producing heat and power. (jyu.fi)
  • Sigurd Skogestad is Professor of Chemical Engineering at NTNU in Trondheim with focus on process control. (ntnu.edu)
  • education of phD students, researchers from universities and industry in the fundamentals and applications of high pressure technology in chemical and process industry: organisation of an intensive course . (efce.info)
  • This process is best suited for fractionation of similar boiling point organic chemicals or those containing azeotropes. (tmcindustries.com)
  • All managed by our experienced chemical and process engineers. (tmcindustries.com)
  • Dosing Tube & Dosing Hose We supply a range of dosing tube which is specifically for use with the transfer of chemical reagents in process control, water treatment or effluent treatment appliions. (cfpresolana.it)
  • Beer is actually an excellent model for the mixture of chemicals we would need to use in a real industrial process, so it shows this technology is one step closer to reality. (brightsurf.com)
  • The Cr (III) was easily removed by a chemical coagulation-flocculation process. (unl.pt)
  • Deuterium fractionation is considered as an important process to infer the chemical ages of prestellar cores in filaments. (harvard.edu)
  • Our raw materials and our innovative fraction process allow us to be competitive with the current petrol based chemicals. (solarimpulse.com)
  • A chemical process for separating the components of a liquid mixture by boiling and collecting condensed vapors. (bvsalud.org)
  • NEWWAVE - NewWave is a Horizon Europe funded research project which will contribute to building a circular economy by introducing sustainable raw materials in 4 manufacturing lines, replacing toxic chemicals, and lowering the environmental footprint of the products. (newwave-horizon.eu)
  • Toward the Proactive Design of Sustainable Chemicals: Ionic Liquids as a Prime Example. (uni-bremen.de)
  • But the DNA fraction did transform, showing that it is the "transforming principle" or the chemical entity capable of changing the bacteria from rough to smooth. (fdocuments.net)
  • Avery, McCarty and Macleod used biochemical fractionation of the bacteria to find out what chemical entity was capable of transforming avirulent R into virulent S bacteria, using the pneumococcus transfomation assay of Griffith. (fdocuments.net)
  • Random packing is used for fractionation, absorption and stripping operations in gas, refinery and chemical plants. (kuberinternals.com)
  • Nov 21, 2020 · Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. (chemistryaz.com)
  • Nov 21, 2020 · Chemical Symbol for Nitrogen. (chemistryaz.com)
  • The global aroma chemicals market size was USD 4,976.0 million in 2020. (fortunebusinessinsights.com)
  • MarketResearch.Biz has announced the addition of the "Plasma Fractionation Market Report 2020-2029 Top Competitors, Features, Objective, Application, Type, Regions And Prospects Professional Research" ,The report groups the global Plasma Fractionation Market in a exact manner to offer detailed insights about the aspects responsible for augmenting as well as restraining market development. (theindustrialreports.com)
  • In this report, 2019 has been considered as the base year and 2020 to 2029 as the forecast period to appraise the market size for Plasma Fractionation market. (theindustrialreports.com)
  • These endocrine disrupting chemicals (EDCs) alter signaling through a variety of mechanisms including binding to soluble sex hormone receptors or membrane receptors and acting as agonists or antagonists, or by inhibiting/inducing enzymes and proteins, which produce naturally occurring steroid hormones. (biomedcentral.com)
  • The chemical and electronic structure of the catalyst surface and the thermodynamic energy states of the reactant molecule dictate the rate of chemical conversion as well as the resulting product chemistry. (energy.gov)
  • Since DFT computations are dependent on catalyst structure and reactant chemistry, multiple DFT calculations are typically required to understand the range of chemical conversion steps to a specific fuel chemical. (energy.gov)
  • Then, the resulting chemicals are catalytically converted into intermediate chemistries, fuels, and co-products. (energy.gov)
  • Whether you produce petrochemicals, inorganics or intermediates, chemical companies are under cost and margin pressures to deliver products in a timely and efficient manner while maintaining safe and compliant operations. (yokogawa.com)
  • This light brown, semi-solid, non-edible residue is becoming increasingly popular as a feedstock in biodiesel production, as well as to produce candles, soaps, animal feed and certain chemical products. (chinadialogue.net)
  • I started using Clorox Products this year & the XtraBlue Chlorine Tabs helped me get consist results with all my chemicals while using less chemicals & saving money. (cfpresolana.it)
  • Increasing consumer demand for natural-based products over synthetic chemicals and a shift of consumers towards fragrances and exotic scents are likely to drive the market growth. (fortunebusinessinsights.com)
  • The company uses high-value chemicals of aroma from Crude Sulphate Turpentine (CST) and agrochemicals from by-products, thus reducing the waste and enhancing profits. (fortunebusinessinsights.com)
  • "CSL Plasma Inc, Grifols, Shire (BioLife Plasma Services), Octapharma Plasma Inc, Kedrion S.p.A, Bio Product Laboratory Ltd, LFB S.A., Biotest Pharmaceuticals Corporation, Japan Blood Products Organization, China Biologic Products Holdings Inc" Companies in the Plasma Fractionation market are battle interesting strides to handle the difficulties coming about because of the Coronavirus (COVID-19) pandemic. (theindustrialreports.com)
  • Assembly in 2005 (WHA58.13) expressed its support for "the for fractionation as a source material for plasma full implementation of well-organized, nationally coordinated derived medicinal products. (who.int)