isotopic exchange
英
美 [ˌaɪsəˈtɑpɪk ɪksˈtʃeɪndʒ]
n. 同位素交换
双语例句
- Non-equilibrium isotopic exchange method
非平衡同位素交换法 - Research for the Surface Structure of Pt/ C Catalyst and Its Activity to Hydrogen-water Isotopic Exchange Reaction
Pt/C的表面结构及其对氢一水同位素交换的催化活性研究 - The isotopic-geochemical characteristics of these deposits and their forming condition are discussed by means of the funda-mental principle and method of the water-rock isotopic exchange reaction.
应用水-岩石同位素交换作用的基本原理和方法，探讨这些矿床的同位素地球化学特征及其形成条件。 - The D_2 pulse reaction results over Co-CeO_2/ SiO_2 and Co/ SiO_2 catalysts showed that the addition of CeO_2 increased the catalytic activity of Co/ SiO_2 for the H-D isotopic exchange and the reactivity of H from Si-OH for CO hydrogenation.
通过比较在Co-CeO2/SiO2和Co/SiO2催化剂上的脉冲D2反应实验结果发现，CeO2可以提高载体表面Si-OH的H-D同位素交换活性和Si-OH中H参与CO加氢反应的活性； - A radiotracer study of the kinetics of the non isotopic halogen exchange reactions
用示踪原子法研究卤素非同位素交换反应的动力学 - Nd, Sr, Pb isotopic compositions and lithogeochemical characteristics fully evidence the exchange of material between magma and country rock.
Nd、Sr、Pb同位素组成和岩石地球化学特征充分证明了岩浆与围岩之间的物质交换。 - The high δ 18O values of carbonate and silicate minerals, and the relatively high δ 34S values indicate that this rock had experienced isotopic exchange with sea water, implying their submarine volcanic origin.
白云质大理岩中碳酸盐和硅酸盐矿物的高δ18O值及全岩和重晶石硫的δ34S值表明，岩石与海水发生过明显的交换作用，进一步为岩石的海底火山成因提供了证据。 - Isotopic Exchange Reaction between Lattice Oxygen and~ ( 18) O_2 in Gas Phase
晶格氧和气相~（18）O2同位素交换反应 - Kinetics of ion exchange in polydisperse systems ( I)& rate laws for particle-diffusion or firm-diffusion controlling isotopic exchange
粒度不均一交换剂的离子交换反应动力学（Ⅰ）&粒内扩散或液膜扩散控制反应速度的同位素交换反应 - The kinetic of heterogeneous isotopic exchange reaction in hydrothermal melt state is studied and the results show that this labelling method gives high yield, rapid rate and good purity.
复相体系同位素交换的研究&热液熔融快速标记法实验结果表明该法具有速度快，产额高，纯度好，宜于大批量生产的优点，在一定程度上具有普遍应用的意义。 - Advection, diffusion, hydrodynamic dispersion and kinetic dispersion of fluid in the rock cracks may occur in the system of the fluid flow, and at the same time, the isotopic exchange between fluid and rock phases will occur during these processes.
在流体流动体系中，流体在岩石裂隙中通过平流、扩散、水动力弥散和动力学弥散等方式进行输运并与岩石发生同位素交换反应。 - Oxygen Isotopic Exchange and Its Application in the Heterogeneous Catalytic Oxidation
氧同位素交换及其在多相催化氧化反应研究中的应用 - Experimental Studies on Hydrogen Isotopic Deuterium From Gas to Liquid Phase by Catalytic Exchange
氢同位素氘从气相到液相的催化交换实验研究 - The synthesis of tetrachlorotetraiodofluorescein sodium salt for~ ( 131) I isotopic exchange
~（131）Ⅰ标记用四氯四碘荧光素钠盐的合成牛磺胆酸钠的合成 - Calculation of the Separation Factors for Hydrogen and Water Isotopic Exchange Reaction
氢-水同位素交换分离因子理论计算 - The 18O shift may indi-cate the isotopic exchange between water and rocks and the relict of co-diagenetic formation water.
~（18）O漂移可能表明水与岩石发生了氧同位素交换，也可能有少量同生沉积水残存。 - Results show that effluent curves agree with experimental data while isotopic exchange probability is 2. 96 × 107. The model can be used to describe displacement between hydrogen isotopes in metal hydride.
结果表明：当同位素交换几率为2.96×107时，根据数学模型获得的排代流出曲线与实验结果具有良好一致性，该模型可恰当描述金属氢化物柱内氢同位素的排代行为。 - Oxygen diffusion in minerals and accompanied isotopic exchange inclosed systems are discussed with special application to geospeedometry.
概述了同位素封闭体系内的矿物氧扩散和同位素交换机制及其在地质速率计上的应用。 - The S isotopic components of metal minerals indicates a mid-low-temperature environmental precipitation under the condition of isotopic exchange equilibrium.
金属矿物硫同位素组成在同位素交换平衡条件下属中低温环境沉淀。 - The noble gas isotopic compositions imply that the subduction and exhumation of the CCSD HP-UHP rocks may be very quick, thus the mantle-crust interaction and isotopic exchange might be very limited.
稀有气体同位素组成研究证实CCSD及其周围HP-UHP变质岩曾经历的板块俯冲和折返过程非常快速，俯冲过程中的壳幔物质交换未能充分进行。 - Isotopic effect of a chemical exchange system featuring Li-CROWN ether complex
锂盐-冠醚络合物化学交换体系中的同位素效应 - The residemcetime of sulfur species in hydrothermal systems is evaluated using the kinetic equation of sulfur isotopic exchange.
并用同位素交换动力学方程评估了硫在矿液中的停留时间。 - Study of pt/ sdb hydrophobic catalyst for T-H isotopic exchange between water and hydrogen
用于水/氢同位素交换的Pt/SDB疏水性催化剂的研究 - Recovering deuterium from uranium deuteride bed by means of the isotopic exchange reaction between the solid and gas phases at room temperature is introduced.
研究了氢气经过流通式氘化铀床，利用气－固相之间的同位素交换反应回收床中的氘。 - In the Rongcheng region, the extremely high δ 18O values of M-eclogite suggest that a strong oxygen isotopic exchange happened between the M-eclogite and its country-rock, marble, during metamorphisms.
异常高的δ18O值表明M类榴辉岩与围岩-大理岩在变质过程中发生过强烈的氧同位素交换。 - Helium and oxygen isotopic evidence on the exchange of water between the West Pacific and the South China Sea
南海与西太平洋海水的交换：氧、氦同位素证据