过量氘,deuterium excess
1)deuterium excess过量氘
1.A few absentδD records were predicated based on the monsoonal water meteoric line,and finally the 36-yeardeuterium excess series was constructed by the isotopic data.收集和分析了新德里降水中同位素资料(δ18O和δD),利用季风水线方程对个别年份缺测的δD资料进行估计,建立了新德里36 a夏季过量氘序列。
2.Different vapor sources of precipitation during summer and winter monsoon are recognized in light ofdeuterium excess.通过对云南白水台地区大气降水的δ18O和δD分析,建立了该地区大气降水线,并通过对过量氘的季节性变化特征分析,发现白水台地区冬、夏季风期间降雨云团有不同的源区。
3.In order to reveal the vapor origins of precipitation over Southwest China,the variations of stable isotopes includingdeuterium excess d and the relationships of the stable isotopes with temperature and humidity at Mengzi and Tengchong sampling stations are analyzed.为了揭示我国西南地区降水的水汽来源特征,对蒙自和腾冲取样站降水中稳定同位素和过量氘d的变化特征以及它们与温度和湿度的关系进行了分析。
英文短句/例句
1.Correlation between Deuterium Excess in Monsoon Precipitation of New Delhi and the Origin of Precipitation新德里季风降水中过量氘与季风水汽来源
2.Vapor Origins Revealed by Deuterium Excess in Precipitation in Southwest China我国西南地区降水中过量氘指示水汽来源
3.The absorbent used is active aluminum oxide at liquid nitrogen temperature, while a highly sensitive thermoconductivity cell serves as the detector.在测定高浓重水中的氘含量时,要把水样先转化为氘气。
4.water containing a substantial proportion of deuterium atoms, used in nuclear reactors.含有大量氘原子的水，用于核反应堆中。
5.The study of chromatograph quantitative analysis about depleted deuterium sample贫氘氢样品的色谱定量分析技术研究
6.Study of Excess Heat Induced by Deuterium Flux Permeating Through Palladium氘通量透钯时引发的异常发热现象的研究
7.Neutron flux measurement and analysis in the HT-7 deuterium plasmaHT-7上氘等离子体放电时中子注量的测量与分析
8.Depth profiling of hydrogen and deuterium in films by ERDA采用弹性反冲分析法同时测量薄膜中氢和氘的深度分布
parison of D-T and D-D accelerator investigation characteristics in pulsed neutron porosity logging while drilling氘-氘和氘-氚随钻中子孔隙度测井探测特性对比
10."Test method for extinction ratio of LN, KDP and KDP electrooptic crystal"GB/T11297.12-1989电光晶体铌酸锂、磷酸二氢钾和磷酸二氘钾消光比的测量方法
11.An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.氘氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2。014
12.electron-deuteron interaction电子－氘核相互作用
13.The nucleus of tritium, consisting of two neutrons and one proton.氘核氘的原子核，由两个中子和一个质子组成
14.Catalytic Properties of Hydrogen-Deuterium Exchange of Methane on Rh/γ-Al_2O_3 CatalystRh/γ-Al_2O_3催化剂上甲烷-氘化氢间的氢氘交换性能
15.Catalytic exchange performance of hydrogen-deuterium and methane on Ni-Rh/Al_2O_3 catalystNi-Rh/Al_2O_3催化剂上甲烷-氘化氢间的氢氘交换性能
16."Heavy water (deuterium oxide):Water composed of two atoms of deuterium (D; a heavy isotope of hydrogen) and one atom of oxygen (O), chemical formula D2O."重水(亦称氧化氘):由二个氘原子和一个氧原子组成的水,化学式为D2O。
17.More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素，氘和氚。
18.Accelerated beams of deuterons bombarding a target will not work.用加速的氘核来打击靶将不起作用。
相关短句/例句
excess deuterium过量氘(d)
3)deuterium excess parameter氘过量参数
1.Based on the principle of the evolution of ground waterdeuterium excess parameter and the brine-bearing stratum in Southeast of Sichuan Basin,the authors determine hydrogen and oxygen isotope composition of brine,study the distribution characteristic and evolution law of ground brinedeuterium excess parameter.基于地下卤水氘过量参数演化的基本原理,以四川盆地东部、南部主要碳酸盐含卤层为目标,测定卤水中的氢氧同位素组成,借此研究地下卤水的氘过量参数分布特征及演化规律。
4)deuterium excess parameter (d)氘过量参数(d值)
5)deuterium peroxide过氧化氘
6)deuterium flux氘通量
1.Tritium production and the nuclear transmutation induced bydeuterium flux inside Pd are described in order to illustrate the condensed matter nuclear science.以氚产生、氘通量在钯中引发的核嬗变和热流为例介绍凝聚态核科学(冷聚变)研究动态。
2.The dissertation discussed the correlation between abnormaldeuterium flux and heat flow in gas-loading systems.不仅易于重复,而且用气态充氘法产生氘通量可以在重水沸点以上运行,因此,寻找反应的温度范围更宽,更有利于未来的应用。
延伸阅读
对映体过量分子式：CAS号：性质：通常用％e. e.表示。系指两种对映关系的异构体R和S的百分含量之差。对映体过量百分率(％e. e.)=100％=R%-S%。式中，[R]为主要对映体产物的量，[S]为次要对映体产物的量。例如，R和S两对映体重量分别为60和40，则该化合物的对映体过量为20％。
