StableFractionationGreenhouse gas emissCarbonRadioactive isotopesProtonsHydrogen isotopesInsoluble in waterNeutronsNitrogen and phosphorusWhite phosphorus2022NucleusAtomicChlorineAtomsUnstableElementalMicrobialHittorfRatiosMetabolicOxygenPrecipitationSoilsChemicalInorganic2016ArsenicSorptionPollutionSoilCalciumBiologicalDetectionConsistsReductionsClimateMassAggregatesChemicalsGlowLeadFormsWater
Stable7
- The number of naturally occurring isotopes for dysprosium is about seven in number and all are known to be stable isotopes. (harlequin.se)
- Naturally occurring dysprosium (Dy) is composed of 7 stable isotopes, Dy-156, Dy-158, Dy-160, Dy-161, Dy-162, Dy-163 and Dy-164, with Dy-164 being the most abundant (28.18% natural abundance). (harlequin.se)
- To study the fate of biogeochemical elements, i often integrate stable isotope measurements with process based ecological models. (wlu.ca)
- Thus phosphorus nuclei which are not stable but radioactive can be produced by bombarding non-radioactive aluminium with α-particles. (stoplearn.com)
- The radioactive phosphorus nuclei then disintegrates spontaneously into stable Silicon atoms. (stoplearn.com)
- Stable isotope fractionation provides information on carbon dynamics in soil aggregates subjected to different long-term fertilization practices. (cas.cn)
- They collide with the nuclei of stable atoms, resulting in the emission of energetic protons, alpha and beta particles, and gamma radiation. (msdmanuals.com)
Fractionation1
- 2022. Large fractionation in iron isotopes implicates metabolic pathways for iron cycling in boreal shield lakes. (wlu.ca)
Greenhouse gas emiss5
- Prior to her PhD, she completed her second master's degree in Environmental Science from University of Sydney, where she conducted research on the effects of phosphorus availability on greenhouse gas emissions (e.g. (edu.au)
- Background For the Paris agreement on Climate, timely reporting of greenhouse gas emissions by nations for different sectors and gases is needed. (ipsl.fr)
- Green house gases including methane are released from these structures, and to better understand how development of natural wetlands can result in unintended increased levels of greenhouse gas emissions, we asked 1) how much of each gas is generated or and whether the amount of each gas is changing through time and 2) how are these gases forming in the subsurface? (tern.org.au)
- Unlike conventional vehicles, FCVs emit only water vapor and produce no harmful pollutants, making them a promising solution for reducing air pollution and greenhouse gas emissions. (dmbbgwad.xyz)
- quantifying and mitigating greenhouse gas emissions, reducing the risk of transfers of pollutants to watercourses, and understanding the secondary impacts of mitigating diffuse agricultural pollution. (bangor.ac.uk)
Carbon6
- White phosphorus is insoluble in water but soluble in carbon disulfide. (wikidoc.org)
- Her PhD research was based on how carbon, nitrogen and phosphorus fertilization in soil affects microbial nitrogen transformation and nitrogen loss as nitrous oxide emission and nitrate leaching from a grassland soil, in presence and absence of plants. (edu.au)
- Certain isotopes, such as uranium, possess high levels of radiation, while radioactive materials containing carbon can conveniently and inadvertently contaminate waterways through sewage lines . (conserve-energy-future.com)
- In 2016, we looked at the amounts of carbon and hydrogen isotopes in the methane, which told us the gas is generated from microorganisms feeding on organic matter and is released during water-level fluctuations. (tern.org.au)
- Yttrium is used as catalyst in catalytic converters to reduce automotive carbon monoxide emissions and as a phosphor in TV screens, producing the red color. (purdue.edu)
- For example, the element carbon has six protons and its commonest isotope on earth has six neutrons, resulting in a mass number of 12 1 . (radiopaedia.org)
Radioactive isotopes2
- It is quite understandable that directly after the discovery, the very significant discovery by Joliot-Curie of artificial radioactivity, where the production of radioactive isotopes of the components of the skeleton, primarily phosphorus, was achieved, that the first task attempted was to determine: What is really going on with the mineral structure of the skeleton? (lindau-nobel.org)
- Untreated sewage is often released into water sources, where radioactive isotopes combine with other compounds and elements. (conserve-energy-future.com)
Protons4
- The nucleus of phosphorus-32 contains 15 protons and 17 neutrons, one more neutron than the most common isotope of phosphorus, phosphorus-31….Phosphorus-32. (tag-challenge.com)
- Radioisotopes or radioactivity isotopes are isotopes that are made artificially by bombarding neutrons or protons or deuterons at elements. (stoplearn.com)
- Isotopes are atomic species of the same chemical element (and therefore with the same atomic number (Z) or number of protons ) which differ with respect to their number of neutrons . (radiopaedia.org)
- Therefore each isotope of an element has a different mass number (A), which is the simple summation of the number of protons and neutrons. (radiopaedia.org)
Hydrogen isotopes1
- In this reaction, hydrogen isotopes (deuterium and tritium) fuse together to form helium, releasing an incredible amount of energy in the process. (dmbbgwad.xyz)
Insoluble in water1
- Both the white and red allotropes of phosphorus are insoluble in water. (citizendium.org)
Neutrons2
- mass number of dysprosium = 66 + number of neutrons in a specified isotope The mass number is different for each isotope. (harlequin.se)
- Isotopes are forms of the same element, but differ in the number of neutrons within the nucleus. (cdc.gov)
Nitrogen and phosphorus1
- The parameters include water temperature, flow velocity, turbidity, major cations and anions, plus total inorganic and organic nitrogen and phosphorus. (tern.org.au)
White phosphorus8
- White phosphorus (P 4 ) exists as individual molecules made up of four atoms in a tetrahedral arrangement, resulting in very high ring strain and instability. (wikidoc.org)
- White phosphorus is a yellow, waxy transparent solid. (wikidoc.org)
- Red phosphorus may be formed by heating white phosphorus to 250°C (482°F) or by exposing white phosphorus to sunlight. (wikidoc.org)
- Red phosphorus does not catch fire in air at temperatures below 240°C, whereas white phosphorus ignites at about 30°C. (wikidoc.org)
- Structure of white phosphorus. (citizendium.org)
- White phosphorus and yellow arsenic both have four atoms arranged in a tetrahedral structure in which each atom is bound to the other three atoms by a single bond. (citizendium.org)
- The toxicity of white phosphorus led to its discontinued use in matches. (citizendium.org)
- Its density (2.34 kg/L) is higher than that of white phosphorus. (citizendium.org)
20221
Nucleus1
- Artificial disintegration was first achieved by Rutherford when he disrupted nitrogen nucleus with energetic α-particles, to produce first of all an isotope of fluorine. (stoplearn.com)
Atomic1
- Phosphorus , ( Template:IPAEng , Template:Lang-el meaning "light", and phoros meaning "bearer"), is the chemical element that has the symbol P and atomic number 15. (wikidoc.org)
Chlorine1
- Method 2.1 Determination of Chlorine in Polymers Containing Chloride and Sulfur and/or Phosphorus and/or Fluorine. (chemtec.org)
Atoms2
- The odour of combustion of this form has a characteristic garlic smell, and samples are commonly coated with white "(di) phosphorus pentoxide ", which consists of P 4 O 10 tetrahedra with oxygen inserted between the phosphorus atoms and at their vertices. (wikidoc.org)
- Below is shown a chain of phosphorus atoms which exhibits both the purple and fibrous forms. (wikidoc.org)
Unstable2
- A number of unstable isotopes of dysprosium have been produced. (harlequin.se)
- Such artificially produced isotopes are unstable and decay with the emission of α-particles, β-particles and γ-rays. (stoplearn.com)
Elemental2
- Elemental phosphorus can exist in several allotropes , most commonly white, red and black. (wikidoc.org)
- Elemental phosphorus is then liberated as a vapour and can be collected under phosphoric acid . (wikidoc.org)
Microbial1
- 1） Li Zhiguo # , Li Linyang, Xia S, Zhang R, Zhang R, Chen F, Liu Y. K fertilizer alleviates N 2 O emissions by regulating the abundance of nitrifying and denitrifying microbial communities in the soil-plant system. (cas.cn)
Hittorf1
- In 1865 Hittorf discovered that when phosphorus was recrystallized from molten lead , a red/purple form is obtained. (wikidoc.org)
Ratios3
- N 2 O emissions and product ratios of nitrification and denitrification are altered by K fertilizer in acidic agricultural soils. (cas.cn)
- This goal has been obtained by combining different inorganic and organic chemical proxies such as trace elements, polycyclic aromatic hydrocarbons, and lead isotope ratios and exploiting both principal component and factor analysis to associate chemical proxies to human-driven contamination processes. (springer.com)
- Three short sediment cores have been exploited to this aim and characterized in terms of major and trace elements, polycyclic aromatic hydrocarbons, and lead isotope ratios. (springer.com)
Metabolic1
- As part of this research project, she seeks to identify how plants internally partition phosphorus amongst metabolic, lipid, nucleic acid and residual fractions, in regulating photosynthetic capacity and productivity across soil and landscape Phosphorus gradients. (edu.au)
Oxygen1
- By the 18th century it was known that in pure oxygen phosphorus does not glow at all, [8] there is only a range of partial pressure where it does. (wikidoc.org)
Precipitation2
- This dataset contains comparison of high-resolution isotope records from terrestrial archives in NW Europe with model simulations of isotopes in precipitation. (ceda.ac.uk)
- The aims of the proposal were to compare high-resolution isotope records from terrestrial archives in NW Europe with model simulations of isotopes in precipitation in order to investigate the role of different forcing factors in rapid climate change during the late glacial and Holocene and to undertake model validation. (ceda.ac.uk)
Soils1
- 2015. The composition, leaching, and sorption behavior of some alternative sources of phosphorus for soils . (hutton.ac.uk)
Chemical2
- George Hevesy pioneered the use of isotopes as tracers in the study of chemical and biological processes. (famousscientists.org)
- Phosphorus and arsenic share many chemical properties. (citizendium.org)
Inorganic1
- A multivalent nonmetal of the nitrogen group , phosphorus is commonly found in inorganic phosphate rocks . (wikidoc.org)
20163
- Air pollutant emissions from Chinese households:A major and underappreciated ambient pollution source[J]. Proceedings of the National Academy of Sciences, 2016, 113(28):7756-7761. (kjdb.org)
- APEC blue':Secondary aerosol reductions from emission controls in Beijing[J]. Scientific Reports, 2016, 6:20668. (kjdb.org)
- The contribution of China's emissions to global climate forcing[J]. Nature, 2016, 531:357-362. (kjdb.org)
Arsenic2
- 2021. Evaluating spatiotemporal patterns of arsenic, antimony, and lead deposition from legacy gold mine emissions using lake sediment records. (wlu.ca)
- Both phosphorus and arsenic have many [[allotrope]]s, but only the white and red forms predominate. (citizendium.org)
Sorption1
- Phosphorus sorption at environmentally relevant P concentrations was unrelated to solution pH but at high P concentration there was a positive relationship between P sorption and solution pH, suggesting a P concentration dependant P sorption mechanism. (trentu.ca)
Pollution2
- LSCE: offre de these "Caractérisation à haute résolution de la pollution (ultra)fine secondaire en Ile-de-France"/PhD position at LSCE Title : High resolution caracterization of (ultra)fine secondary pollution in the Paris region. (ipsl.fr)
- Phosphorus spatial distribution and pollution risk assessment in agricultural soil around the Danjiangkou reservoir, China. (cas.cn)
Soil1
- He used the radioactive isotope 212-lead (then called thorium B) to investigate how much lead absorbed from the soil ended up in different parts of bean plants. (famousscientists.org)
Calcium1
- This process is similar to the first synthesis of phosphorus from calcium phosphate in urine. (wikidoc.org)
Biological1
- Hevesy was the first scientist to use a radioactive isotope to learn about a biological process. (famousscientists.org)
Detection1
- 2001) reported a method for diazinon identification and quantification in human blood using SPE, GC-nitrogen phosphorus detection (NPD) analysis followed by GC-MS confirmation. (cdc.gov)
Consists1
- Black phosphorus has an orthorhombic structure (C mca ) and is the least reactive allotrope, it consists of many six-membered rings which are interlinked. (wikidoc.org)
Reductions1
- The objective of this research was to assess factors controlling peat and plant chemistry, and vegetation composition in 18 peatlands in Sudbury after over 30 years of emission reductions. (trentu.ca)
Climate1
- BECC focuses on three Grand Challenges that must be tackled to assess the combined consequences of anthropogenic emissions, climate and land-use change on biodiversity and ecosystem services and provide a basis for informed societal responses, with a focus on critical changes in forest, agricultural, urban and arctic ecosystems, including interactions between terrestrial and aquatic systems. (lu.se)
Mass1
- This metal has about 29 isotopes of their mass numbers between 141 to 169. (harlequin.se)
Aggregates1
- Black phosphorus is made of even larger aggregates and is the least reactive allotrope. (citizendium.org)
Chemicals1
- The most important commercial use of phosphorus-based chemicals is the production of fertilisers . (wikidoc.org)
Glow1
- The glow from phosphorus was the attraction of its discovery around 1669, but the mechanism for that glow was not fully described until 1974. (wikidoc.org)
Lead1
- In his time at Manchester, Hevesy researched the solubility of short-lived radioactive species (half-life of a few seconds) in water, the valency of radioactive ions as determined by their diffusion rates in solution, and how to separate radium D emanation from lead - this was impossible at the time, because radium D is actually 210-lead, a radioactive isotope of lead. (famousscientists.org)
Forms1
- One of the forms of red/black phosphorus is a cubic solid. (wikidoc.org)
Water1
- A water isotope model was developed for the UK Hadley centre model HadCM3. (ceda.ac.uk)