| 1. | Up2h up1h method for determination of stable hydrogen isotope ratio of water from fruit juices , using isotope ratio mass spectrometry
利用等离子比质谱测量法测定果汁水中稳定氢等离子比 |
| 2. | H h method for determination of stable hydrogen isotope ratio of water from fruit juices , using isotope ratio mass spectrometry
使用同位素比值记录质谱分析法对水果中水的稳定氢同位素比值 |
| 3. | A rigorous thermodynamic model which can be used in simulation of hydrogen isotope - separation by cryogenic distillation is then obtained
可作为低温精馏分离氢同位素的一个严格的热力学模型。 |
| 4. | The analyses of oxygen and hydrogen isotope indicate that the hydrothermal fluid is dominated by magmatic water with input of a lot of meteoric and underground water in the later stage
包裹体的氧、氢同位素特征表明，成矿热液虽以岩浆水为主，但在晚期有较多天水及地下水的混入。 |
| 5. | 2 . the rigorous thermodynamic model has been applied to study the characteristics of cryogenic distillation column having feedback stream with hydrogen isotope system in steady state
2 、应用严格的热力学模型研究了带有侧线循环及平衡反应装置的氢同位素低温精馏塔的稳态分离特性。 |
| 6. | However , only limited data have been available for hydrogen isotope system , so there is not a rigorous thermodynamics model which can accurately predict thermodynamic properties and phase equilibrium of hydrogen fluid by now
然而，由于氢同位素物系的一些特殊性，使氢溶液的汽液平衡数据很难测得，到目前为止，还没有一个可以准确描述氢溶液的热力学模型。 |
| 7. | To deal with gas separaion at high pressure and high temperature , inoghc membranes are used widely in the ligh of the production and the uitrahigh purity of hydrogen isotope requlred by some special professions and the defects of the current einpoyed membranes separation technology the preparation teehnology of high h - permselective membrane
在涉及高温、高压环境下的气体分离中，主要使用的是无机膜分离技术。针对特殊行业对氢同位素气体处理量及超高纯度的需求和现有膜分离技术存在的问题和不足，创新性地提出了利用耐熔金属锆等对氢的高渗透性，制备高选择渗氢膜的分离技术。 |
| 8. | Lmpa , the relationship is f di = l 55xl0 - " e47j l t ) in this range , the relative error of the hydrgen permeabilty bbeen the experimental values and the formula values are less than 3 % , the durability test showed that after the cycle experiments of prcssure and tempebe for 30 days , the perfrmance of the membran did not change , at last , the theory of hydrogen permeaton was discussed , too . through this work , the pfepared surf ases modified zirconium memran can satisfy the requirement of the purity and the permeating fiux of hydrogen isotope gas
Imp范围内，铝表面改性选择渗氢膜的数学表达式为： （ 1320 i 155x10 ” exd l “ t ）在这个温度和压差范围内，渗氢系数的实验数据计算值与数学公式计算值的误差在3以内；铬表面改性选择渗氢膜的寿命考核实验表明，经过连续30大的循环温度、压力实验，膜的质量、性能无变化；并讨论了膜的渗氢理论。 |
