搜索结果: 1-12 共查到“理学 Noble”相关记录12条 . 查询时间(0.238 秒)
Noble gas solubility in silicate melts:a review of experimentation and theory, and implications regarding magma degassing processes
noble gases solubility degassing silicate melts
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2015/9/10
Noble gas solubility in silicate melts and glasses has gained a crucial role in Earth Sciences investigations and
in the studies of non-crystalline materials on a micro to a macro-scale. Due to their...
Recent results in the search for dark matter with noble liquid detectors
liquid detectors
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2011/9/9
The field of dark matter direct detection has seen important contributions in recent years from experiments involving liquid noble gases, specifically liquid argon and liquid xenon. These detection me...
Noble gases in Lakes Nyos and Monoun, Cameroon
noble gases depth profile of noble gases Lake Nyos Lake Monoun Cameroon volcanic line
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2017/8/9
He, Ne and Ar isotopic ratios and concentrations of noble gases in different depths of Lakes Nyos and Monoun in Cameroon, West Africa, were investigated. Samples were collected in November 1999, Janua...
Stable and noble gas isotopic study of thermal and groundwaters in northwestern Hokkaido, Japan and the occurrence of geopressured fluids
geopressured fluid hydrogen isotope oxygen isotope helium isotope Hokkaido
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2017/8/9
Thermal and groundwaters are distributed along the west coast and in the inland region of Northwestern Hokkaido, Japan. The waters in the latter group have relatively high temperatures. Stable (D, O) ...
Noble gas mass spectrometry with a compressor driven recycling system for improved sensitivity
noble gas geochemistry compressor turbo molecular pump
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2017/8/9
In order to increase the sensitivity of static-mode noble gas mass spectroscopic analysis, we have developed and tested a gas re-circulation system, which uses a commercially available turbo molecular...
Noble gas signature of the late heavy bombardment in the Earth's atmosphere
Noble gas signature late heavy bombardment Earth's atmosphere
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2009/10/22
The Lunar cratering record is consistent with the occurrence of a late heavy bombardment (LHB), which marked the end of terrestrial planet accretion 3.8 billion years ago. However, clear evidence of a...
Iridium concentration and noble gas composition of Cretaceous-Tertiary boundary clay from Stevns Klint, Denmark
K-T boundary, iridium, noble gas
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2017/8/10
The Cretaceous-Tertiary (K-T) boundary about 65 million years ago records a mass extinction event caused by a bolide impact. K-T boundary clay collected from Stevns Klint, Denmark was investigated in ...
Groundwater studies using isotopes and noble gases as a tracer：Review and prospect
environmental tracer stable isotope radioactive isotope noble gas groundwater study
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2009/7/14
Environmental tracers become a common tool for the groundwater study and a number of methods have been presented in order to understand groundwater flow processes, water budget, origins, chemical reac...
On the degassing state and the chemical structure of the Earth's interior inferred from noble gas isotopes—Past and recent views
Earth's interior degassing state noble gas isotopes undegassed reservoir non-convective mantle
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2017/8/10
The degassing state of the Earth's interior is one of the main issues in relation to the evolution of the Earth and has been discussed by many investigators over several decades. I outline some trials...
Noble gas signature of the Late Heavy Bombardment in the Earth's atmosphere
Noble gas signature Late Heavy Bombardment Earth's atmosphere
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2010/9/28
The Lunar cratering record is consistent with the occurrence of a late heavy bombardment (LHB), which marked the end of terrestrial planet accretion 3.8 billion years ago. However, clear evidence of a...
美国S.R.Noble Foundation研究所植物生物学系Ping Xu（许萍）博士学术报告
美国S. R. Noble Foundation研究所 植物生物学 学术报告
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2006/9/5
2006年9月5日（星期二），上午9:00，Dr. Ping Xu （许萍），Senior Research Scientist in Plant Biology Division，The S.R.Noble Foundation，USA将于浙江大学华家池校区植检楼演示厅召开题目为Study on a virus-induced lethal disease in tomato的学术报告会。
Collisional Electron Detachment of Atomic Anions by Noble Gases: Universal Behavior at Intermediate Velocities
Collisional Electron Detachment Atomic Anions Noble Gases Intermediate Velocities
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2010/10/25
Anions with atomic number lower than 18 had their total electron detachment cross sections measured in the 0.3-1.5 a:u: velocity range (40 keV-1.4 MeV) for He, Ne, and Ar targets with a experimental m...