搜索结果: 1-15 共查到“Isotope”相关记录271条 . 查询时间(0.078 秒)
Brookhaven National Laboratory (BNL) has announced the shipment of the first actinium-225 (Ac-255) to be produced in a newly refurbished hot cell laboratory at the US Department of Energy's (DOE) lab....
The University of Missouri has launched an initiative to build a new, larger research reactor, NextGen MURR. The university's existing MU Research Reactor (MURR) - in operation for more than half a ce...
Tree Water Use, Water Use Efficiency, and Carbon Isotope Discrimination in Relation to Growth Potential in Populus deltoides and Hybrids under Field Conditions
poplar (Populus) hybrid water-use efficiency sap flow productivity carbon isotope discrimination stomatal conductance
2024/2/27
We explored the relationship between tree growth, water use, and related hydraulic traits in Populus deltoides Bartr. ex Marsh.and hybrid clones, to examine potential trade-offs between growth and wat...
中国地质大学科学技术发展院温冰(博士生)，周爱国, 周建伟等地质调查研究院/环境学院 JOURNAL OF HYDROLOGY, FEB 2018. Coupled S and Sr isotope evidences for elevated arsenic concentrations in groundwater from the world's largest antimony mine, Central China
锑矿区；地下水；环境；砷锑；污染
2021/10/21
近日，中国地质大学环境学院矿山环境保护与治理研究团队（周爱国教授、周建伟教授研究团队）在“锑矿区地下水环境砷锑污染”研究中取得新进展，相关成果发表在国际著名期刊《Journal of Hydrology》上，论文第一作者为中国地质大学地质调查研究院2014级博士生温冰。
中国地质大学科学技术发展院石炜(博士生),李超等 BGEG国家重点实验室 Geology, January 24,2018, Sulfur isotope evidence for transient marine-shelf oxidation during the Ediacaran Shuram Excursion
早期地球；海洋；氧化模式；地球；碳循环；
2021/10/21
近日，中国地质大学生物地质与环境地质国家重点实验室李超教授团队在国际著名地学期刊《Geology》上发表了题为“Sulfur isotope evidence for transient marine-shelf oxidation duringthe Ediacaran Shuram Excursion”的学术论文，该论文通过定量数值模拟的方法首次发现了埃迪卡拉纪碳循环剧烈扰动时期（又称“Shu...
A 1-h time interval between a meal containing iron and consumption of tea attenuates the inhibitory effects on iron absorption: a controlled trial in a cohort of healthy UK women using a stable iron isotope
iron bioavailability iron deficiency hepcidin polyphenols tea
2018/11/21
Background: Tea has been shown to be a potent inhibitor of nonheme iron absorption, but it remains unclear whether the timing of tea consumption relative to a meal influences iron bioavailability.
Consumption of galacto-oligosaccharides increases iron absorption from a micronutrient powder containing ferrous fumarate and sodium iron EDTA: a stable-isotope study in Kenyan infants
anemia galacto-oligosaccharides GOS infants iron deficiency
2018/11/16
Background: Whether consumption of prebiotics increases iron absorption in infants is unclear.
Consumption of galacto-oligosaccharides increases iron absorption from a micronutrient powder containing ferrous fumarate and sodium iron EDTA: a stable-isotope study in Kenyan infants
anemia galacto-oligosaccharides GOS infants iron deficiency
2018/11/20
Background: Whether consumption of prebiotics increases iron absorption in infants is unclear.
中国地质大学科学技术发展院张磊（博士生）， 赵来时等GPMR国家重点实验室 Geochimica et Cosmochimica Acta, 2017. Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis
牙形；石磷；灰石；古海洋；古气候
2021/10/21
近日，中国地质大学地质过程与矿产资源国家重点实验室赵来时教授团队在国际著名期刊《Geochimica et Cosmochimica Acta》发表题为Raman spectral, elemental, crystallinity, and oxygen-isotope variations in conodont apatite during diagenesis（牙形石磷灰石的拉曼光谱、元素...
Tellurium isotope compositions in acid leach fractions of carbonaceous chondrites
tellurium isotopes acid leaching N-TIMS carbonaceous chondrites isotope anomaly
2017/4/10
We present the tellurium (Te) isotope compositions of the acid leachates and residues from three carbonaceous chondrites,
namely, Allende, Murchison, and Tagish Lake. Most of the Te isotope compositi...
第三次放射性同位素科学进展国际会议（Third International Conference on Advances in Radioactive Isotope Science）
第三次 放射性同位素科学进展 国际会议
2017/1/12
The third International Conference on Advances in Radioactive Isotope Science, ARIS 2017, will be held in Keystone, Colorado in the U.S. from Sunday, May 28 through Friday, June 2, 2017. ARIS is the f...
The effects of fat loss after bariatric surgery on inflammation, serum hepcidin, and iron absorption: a prospective 6-mo iron stable isotope study
obesity iron deficiency iron absorption hepcidin inflammation stable isotopes
2018/12/14
Background: Iron deficiency is common in obese subjects. This may be due to an increase in serum hepcidin and a decrease in iron absorption from adiposity-related inflammation.
The effects of fat loss after bariatric surgery on inflammation, serum hepcidin, and iron absorption: a prospective 6-mo iron stable isotope study
obesity iron deficiency iron absorption hepcidin inflammation stable isotopes
2018/12/18
Background: Iron deficiency is common in obese subjects. This may be due to an increase in serum hepcidin and a decrease in iron absorption from adiposity-related inflammation.
Vitamin A assessment by the isotope-dilution technique: good news from Guatemala
Vitamin A isotope-dilution technique
2016/5/30
Unlike many vitamins, vitamin A is absorbed fairly well, is stored efficiently in the liver as well as in other organs, is recycled extensively within the body, and is catabolized irreversibly in heal...
Carbon isotope ratios of organic matter in Bering Sea settling particles: Extremely high remineralization of organic carbon derived from diatoms
diatoms coccolithophores carbon isotope organic carbon remineralization rain ratio
2017/4/10
The carbon isotope ratios of organic carbon in settling particles collected in the highly-diatom-productive Bering Sea
were determined. Wet decomposition was employed to oxidize relatively fresh orga...