As a reinforcement agent, calcium carbonate from avian eggshell waste was used, at 10 ph of micro particles, 125 μm. (intechopen.com)
The results implied that porous spherical calcium carbonate microparticles could be applied as relatively safe drug vehicles, but with the caveat that the effect of high dosages should not be ignored when attempting to maximize therapeutic activity by increasing the concentration. (scirp.org)
G. B. Sukhorukov, D. V. Volodkin and A. M. Günther, A. I. Petrov, D. B. Shenoy and H. M?hwald, "Porous Calcium Carbonate Microparticles as Templates for Encapsulation of Bioactive Compounds," Journal of Materials Chemistry, Vol. 14, 2004, pp. 2073-2081. (scirp.org)
The fluid lime is a product which has recently become commercially available, and is a highly-reactive, ultra-fine particle size calcium carbonate. (usda.gov)
Furthermore, the reactive precipitation of calcium carbonate and barium sulfate was chosen as a model system for material synthesis. (rsc.org)
Tricalcium aluminate (C 3 A) is the most important and reactive major component contributing to the early properties of cement or cementitious products and plays a critical role in the early stages of hydration process of Ordinary Portland Cement (OPC) and Calcium Aluminate Cements (CAC). (hindawi.com)
These objectives have been achieved by the demonstration in lab-scale and pilot scale solar reactors suitable for cement raw meal calcination and calcium carbonate decomposition (CaCO3 = CaO + CO2) respectively at TRL 4-5. (europa.eu)
It was discovered 50 years ago, when the approved medical therapy for peptic ulcer included the ingestion of large amounts of milk or calcium carbonate and soluble alkali. (richardsfamilyhealth.com)
Calcium carbonates produced by sea creatures help to maintain the ocean's alkalinity - and also serve as a natural sink for anthropogenic carbon dioxide. (comsol.de)
Sea butterflies (also called pteropods) are less than 1 cm long, and they produce their thin, translucent shells from aragonite, which is a form of calcium carbonate (CaCO 3 ). (comsol.de)
A number of studies have reported some important side effects, such as increased roughness 5 , decreased microhardness 5-7 , reduction of enamel and dentin strength 8 , color changes 9 and significant decrease in the calcium (Ca), phosphate or carbonate concentration in enamel 10-11 . (bvsalud.org)
Lithium carbonate3
In this study, the influence of lithium carbonate on the hydration of C 3 A with or without CaSO 4 ·2H 2 O is investigated. (hindawi.com)
Carbon dioxide , a non-reactive and normally difficult-to-remove compound, can be easily captured with solar energy using our new low-energy, lithium carbonate electrolysis STEP process, and with scale-up, sufficient resources exist for STEP to decrease carbon dioxide levels in the atmosphere to pre-industrial levels within 10 years. (phys.org)
Reactive nitrogen species act together with reactive oxygen species (ROS) to damage cells, causing nitrosative stress. (wikipedia.org)
superoxide) → ONOO− (peroxynitrite) Superoxide anion (O2−) is a reactive oxygen species that reacts quickly with nitric oxide (NO) in the vasculature. (wikipedia.org)
Reactive oxygen species Reactive sulfur species Reactive carbonyl species Novo E, Parola M (2008). (wikipedia.org)
The reactive oxygen species (ROS), glutathione (GSH), carbonyl content in proteins (CCP), DNA-protein crosslinks (DPC) and cell viability were measured. (scirp.org)
To test this hypothesis, Hb was modified by reactive oxygen species (ROS). (scialert.net)
There has been accumulating evidence that an additional mechanism to generate reactive oxygen species occurs in vivo (Moore et al . (scialert.net)
To test this hypothesis, Hb was modified by reactive oxygen species, generated by in vitro reaction of hemoglobin with hydrogen peroxide. (scialert.net)
Fiber reactive dye3
Soda ash is a mild alkali that promotes the chemical reaction between Procion MX fiber reactive dye and cellulose fiber. (misterart.com)
This is true of fabrics dyed with fiber reactive dye that have not been washed adequately. (pburch.net)
Normally, the most popular fiber reactive dye, Procion MX type dye, requires at least one washing in cold water (without detergent, unless it's Synthrapol), followed by at least two washings in hot water, WITH detergent, to remove the last bits of unattached dye. (pburch.net)
Copper carbonate1
Verdigris is composed of copper carbonate or copper chloride primarily and those chemicals make up the green patina most people associate with copper. (kitchenandresidentialdesign.com)
Species4
Reactive nitrogen species are also continuously produced in plants as by-products of aerobic metabolism or in response to stress. (wikipedia.org)
Peroxynitrite itself is a highly reactive species which can directly react with various biological targets and components of the cell including lipids, thiols, amino acid residues, DNA bases, and low-molecular weight antioxidants. (wikipedia.org)
Redox-active transition metals, containing unpaired electrons in their d-orbital, are able to generate, or remove, reactive species with unpaired electrons. (scialert.net)
Those problems anhydrides (OAAs) including phthalic anhydride (PA), tetra- may have been due to the regime of exposure, selection of chlorophthalic anhydride, and methyltetrahydrophthalic anhy- animal species, and indices reflecting responses after airway dride are a group of low molecular weight and highly reactive challenge. (cdc.gov)
Modeling and investigating effects of CO 2 injection into carbonate formations during WAG processes, investigating parameters related to chemical reactions between reservoir rock and injecting fluid and also better understanding of the process theory for future experiments are the most important goals of this paper. (ac.ir)
Precipitation1
The most striking observation is the fast and dramatic decrease of the permeability for both experiments principally due to the precipitation of carbonates. (arxiv.org)
Porous2
GeoChemFoam is an open-source OpenFOAM-based numerical modelling toolbox that includes a range of custom packages to solve complex flow processes including multiphase transport with interface transfer, single-phase flow in multiscale porous media, and reactive transport with mineral dissolution. (researchgate.net)
In 2010 he joined Imperial College London as a Research Fellow in the Qatar Carbonates and Carbon Storage Research Centre working on experimental investigations of rock fluid interactions and flow in porous media. (imperial.ac.uk)
React1
mPEG-SC is a linear PEG reagent with succinimidyl carbonate to react with amine groups. (creativepegworks.com)
What is the 2nd most reactive metals? (answers.com)
Despite its lower density, lithium is actually the less reactive of the two metals. (jacksofscience.com)
Dissolution2
Holistic understanding of multiphase reactive flow mechanisms such as CO 2 dissolution, multiphase displacement, and snap-off events is vital for optimisation of large-scale industrial operations like CO 2 sequestration, enhanced oil recovery, and geothermal energy. (researchgate.net)
Wireline perforating can be done in reactive fluid systems based on chelating agents that address carbonates dissolution and drilling induced injectivity damage. (onepetro.org)
Injection4
The injection of a reactive substance such as CO 2 into the saline formation results in chemical disequilibration and initiation of various chemical reactions. (nature.com)
Permeability change during Co 2 injection in carbonate aquifer, experimental study. (ac.ir)
The sudden injection of highly reactive free oxygen, toxic to the then-mostly anaerobic biosphere, may have caused the extinction of many existing organisms on Earth - then mostly archaeal colonies that used retinal to utilize green-spectrum light energy and power a form of anoxygenic photosynthesis (see Purple Earth hypothesis ). (wikipedia.org)
Sodium1
Soda ash is also known as sodium carbonate, washing soda, or sal soda. (misterart.com)
Highly4
Beryllium deposits of this type can form where hydrothermal fluids interact with fluorine and lithophile-element (uranium, thorium, rubidium, lithium, beryllium, cesium, tantalum, rare earth elements, and tin) enriched volcanic rocks that contain a highly reactive lithic component, such as carbonate clasts. (usgs.gov)
Overall, a general building principle for highly reactive, liquid diacrylamides via synergistic combination of optimally arranged functional groups could be identified. (beilstein-journals.org)
It is found in Group 1 of the periodic table and is a silver-white metal that is highly reactive. (jacksofscience.com)
Lithium is also highly reactive, making it difficult to find in its pure form in nature. (jacksofscience.com)
Collectively1
Copper usually reacts to acids and alkilis to form a variety of chlorides, sulphides and carbonates known collectively as verdigris. (kitchenandresidentialdesign.com)
Fluid4
It will be demonstrated that fluid is compatible with most common casing steel and wireline equipment at BH temperatures, but reactive in near wellbore area with formation or drilling mud chemicals. (onepetro.org)
The objective of this research is to observe REE changes across vein-filling carbonate cements to determine whether discrete cement layers represent individual fluid events. (searchanddiscovery.com)
Rare earth elements are used as the chemical indicator because they are non-reactive and their signature can help determine fluid provenance. (searchanddiscovery.com)
Hydrothermal fluids leached Be from volcanic glass in the tuff and redeposited the Be as bertrandite upon reaction of the hydrothermal fluid with carbonate clasts in lithic-rich sections of tuff. (usgs.gov)
Chlorides1
The salt analogues are similar in mineral composition-rich in sulfates, chlorides, and carbonates. (lu.se)
Protein1
Also for these cyte count was within normal limits, with 7% ethanol (pH 3.5) cleared calci- patients, unusual bacteria with low in- but his C-reactive protein level was um carbonate. (cdc.gov)
Chemical2
The nonlinear convection is investigated under the assumptions of instantaneous chemical equilibrium and that the dissipation of carbonate rocks solely depends on flow and transport and chemical speciation depends only on the equilibrium thermodynamics of the chemical system. (nature.com)
Z, Zhang, Y. Xie and D. Ma, "Relationship between Miscibility and Chemical Strucutures in Reactive Blending of Poly(Bisphenol A Carbonate) and Poly(Ethylene Tere- phthalate," European Polymer Journal, Vol. 37, No. 10, October 2001, pp. 1961-1966. (scirp.org)
Potassium1
Why potassium carbonate is more basic than cesium carbonate? (answers.com)
Transport2
2111.02958] Reactive transport experiments of coupled carbonation and serpentinization in a natural serpentinite. (arxiv.org)
To better understand essential but obscure deep-sea biogeochemical processes, Olivier Sulpis of Utrecht University developed an innovative 3D reactive-transport model that shows how seashells help preserve calcite grains in seafloor sediments. (comsol.de)
Free1
NO2) and dinitrogen trioxide (N2O3) as well as other types of chemically reactive free radicals. (wikipedia.org)
Flow2
L. C. Mendes, R. E. R Abrigo, V. D. Ramos and P. S. C. Pereira, "Effect of Melt Flow Rate of Polycarbonate and Cobalt Catalyst on Properties of PET/PC (80/20 wt%) Reactive Blending," Journal of Thermal Analysis and Calorimetry, Vol. 99, No. 2, 2009, pp. 545-549. (scirp.org)
The possibilities of this new approach in dynamic in-situ imaging are illustrated with flow tests on a carbonate sample. (researchgate.net)
The localization of the deposits in tuff above fluorite-mineralized faults in carbonate rocks, together with isotopic evidence for the involvement of magmatic water in an otherwise meteoric water-dominated hydrothermal system, indicate that magmatic volatiles contributed to mineralization. (usgs.gov)
Acid1
A treatment that will help set acid dyes will tend to strip off fiber reactive dyes, while the carbonate that will set fiber reactive dyes won't do any good for union dyes. (pburch.net)
Experiments1
In this study, we present two reactive percolation experiments performed on a natural serpentinite dredged from the ultraslow South-West Indian Oceanic Ridge. (arxiv.org)
Study1
P. S. C. Pereira, L. C. Mendes and V. D. Ramos, "Rheological Study Bringing New Insights into PET/PC Reactive Blends," Macromolecular Symposia, Vol. 290, No. 1, 2010, pp. 121-131. (scirp.org)
Type1
At the type locality for volcanogenic Be, Spor Mountain, the tuffaceous breccias and stratified tuffs that host the Be ore formed as a result of explosive volcanism that brought carbonate and other lithic fragments to the surface through vent structures that cut the underlying dolomitic Paleozoic sedimentary rock sequences. (usgs.gov)
L. Mendes and P. Pereira, "Optical Microscopy as a Tool to Correlate Morphology and Thermal Properties of Extruded PET/PC Reactive Blends," Materials Sciences and Applications , Vol. 2 No. 8, 2011, pp. 1033-1040. (scirp.org)
Impact1
It is anticipated that by understanding the impact of diagenesis and integrating it with the depositional settings and sequence stratigraphy will represent a powerful tool for predicting a spatial distribution of reservoir quality in carbonate reservoir located offshore Abu Dhabi, United Arab Emirates. (onepetro.org)
Structure1
Catalysed and uncatalysed reactive extruded poly(ethylene terephthalate)/poly(bisphenol-A carbonate) (PET/PC) blends phase structure at compositional range containing 0-100 wt% of both parent polymers were evaluated. (scirp.org)
Forms1
With colorant additions it forms reactive melts that variegate and run. (digitalfire.com)
Surface1
The traditional VoS formulation (VoS-ψ) uses a diffuse interface localization function ψ to ensure stability and limit diffusion of the reactive surface. (researchgate.net)
Role1
An illustration of pteropods' role in the oceanic carbonate cycle. (comsol.de)