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气态分子
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  vapour molecular
     Determination of Chloride by Vapour Molecular Absorption Spectrometry
     氯化物的气态分子吸收法测定
短句来源
     Study on Iodide Determination by Vapour Molecular Absorption Spectrometry
     气态分子吸收光谱法测定碘化物的研究
短句来源
     DETERMINATION OF BROMIDE BY VAPOUR MOLECULAR ABSORPTION SPECTROMETRY
     溴化物的气态分子吸收法测定
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  “气态分子”译为未确定词的双语例句
     Study on Structure and Thermodynamic Stability of PuN_2(g) Molecule
     PuN_2气态分子的结构与热力学稳定性的理论研究
短句来源
     Structure and Thermodynamic Stability of PuC_2(g) Molecules
     PuC_2气态分子的结构与热力学稳定性研究
短句来源
     AN INDO STUDY ON THE STRUCTURES AND GAS-PHASE ACIDITES OF H_2C = N- SERIES OF GASEOUS STATE MOLECULES
     H_2C=N-系列气态分子的结构和气相酸度的INDO研究
短句来源
     Thermodynamic Stability of PuH_2(g) Molecules
     PuH_2气态分子热力学稳定性的理论研究
短句来源
     The vibration energy or the electronic and vibration entropy of the gaseous molecules are approximately used as the energy or entropy of the solid. In this approximation, thermodynamic functions △H0, △S0, △G0 and hydrogen isotopes equilibrium pressure of the hydrogenating reaction have been calculated .
     在ZrH2(D,T)(s)的E和S的过程中,以气态分子总能量中的振动能Ev代替该分子处于固态时的振动能量E,以电子和振动熵SEv代替分子处于固态熵的近似方法,计算了不同温度下金属Zr与氢同位素反应的△H0、△S0和△G0以及氢化反应平衡压力,并导出了氢化反应平衡压力与温度的关系。
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  相似匹配句对
     10 ?
     分子
短句来源
     DETERMINATION OF BROMIDE BY VAPOUR MOLECULAR ABSORPTION SPECTROMETRY
     溴化物的气态分子吸收法测定
短句来源
     Determination of Sulphur Dioxide by Means of Vapor Molecular Absorption Spectrometry
     二氧化硫的气态分子吸收法测定
短句来源
     Pseudoendotyra.
     Pseudoendotyra分子.
短句来源
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A method of analysis for trace quantities of iodine by Laser-induced fluorescence spectrophotometry by means of the 632.8nm line of a He-Ne Laser and a singlephoton-counter has been investigated. The dependence of the fluorescence intensity on the concentration of iodine, laser power and the foreign gases have been examined. A detection limit of 7×10~(?) molecule/cm~3 is achieved.

本文采用激光诱导荧光技术,以输出波长632.8nm的He-Ne激光器作为激发光源,自制单光子计数器为探测器,测定了微量气态分子碘.研究了荧光强度与激光功率、碘分子浓度及外加气体的关系,碘的检测极限为7×10~9分子/厘米~3.

The series of methylenimine (H2C=NR) in gas-phase was studies by the Hartree-Fock SCF ab initio method. Based on the 3-21G or STO-3G basis sets, we optimized the geometries of those molecules. Upon the optimized geometries, molecular energies, charge distribution and acidity were calculated on the bases of 3-21G. For certain related reaction, we approximate the enthalpy change (△H) by energy change (△E) of the RHF/3-21G and CID/3-2lG. the calculated results are found to be very close to the thermochemical data...

The series of methylenimine (H2C=NR) in gas-phase was studies by the Hartree-Fock SCF ab initio method. Based on the 3-21G or STO-3G basis sets, we optimized the geometries of those molecules. Upon the optimized geometries, molecular energies, charge distribution and acidity were calculated on the bases of 3-21G. For certain related reaction, we approximate the enthalpy change (△H) by energy change (△E) of the RHF/3-21G and CID/3-2lG. the calculated results are found to be very close to the thermochemical data and experimental acidity.

本文采用SCF MO ab initio法,用能量梯度优化(STO-3G和3-21G)给出了甲亚胺系列气态分子及有关离子的几何构型,研究了该系列分子的气相酸度及有H_2C=N~-参与的系列反应的△E,计算结果与实验值符合较好。

In this paper a method for direct determination of chloride by vapour molecular absorption spectrometry is developed Chloride was first oxidized to Cl_2 by a strong oxidizer in a strong acidic solution, The formed Cl, was then introduced into a special cell of an atomic absorption spectrometer,The chloride was determined by measuring the absorbance of Cl_2 vapour at the emission line of 324.7nm of copper hollow cathodic lamp. The detection limit was shown to be 2.0ppm. The method has been satisfactrily employed...

In this paper a method for direct determination of chloride by vapour molecular absorption spectrometry is developed Chloride was first oxidized to Cl_2 by a strong oxidizer in a strong acidic solution, The formed Cl, was then introduced into a special cell of an atomic absorption spectrometer,The chloride was determined by measuring the absorbance of Cl_2 vapour at the emission line of 324.7nm of copper hollow cathodic lamp. The detection limit was shown to be 2.0ppm. The method has been satisfactrily employed to analyse practical samples,

提出了一种利用气态分子吸收现象进行氯化物直接测定的分析方法。检出限为2ppm,将此法用于实际样品的分析,得到了满意的结果。

 
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