hydrogen number
英 [ˈhaɪdrədʒən ˈnʌmbə(r)]
美 [ˈhaɪdrədʒən ˈnʌmbər]
网络 氢值
双语例句
- The Relation between the Ratio of Hydrogen Bonding Acceptor Number to Donor Number and Solute Concentration
糖苷键[合]，苷键[合]氢键受体与供体数目比与溶质浓度的关系 - In synthesizing process, the optimum quanta of hydrogen peroxide solution and glacial acetic acid which affect epoxide number were determined.
对合成过程中影响环氧值的两个重要条件：即双氧水和冰醋酸的用量做了大量实验，确定了最佳条件。 - Hydrogen breath test for diagnosis of lactose malabsorption: the importance of timing and the number of breath samples.
氢呼气试验诊断乳糖吸收障碍：呼气样本的数量和时间的重要性。 - Volatile matter, hydrogen content, nitrogen content, H/ C, oxygen content in oxygen functional group decrease with the increasing of inertinite content. But carbon content, aromaticity and the number of condensed ring are opposite.
挥发分、氢含量、氮含量和氢碳比随惰质组含量的增加而下降，碳含量、芳碳率和缩合环数随惰质组含量的增加而增加。 - But the hydrogen production efficiency was reduced because the low number and low proportion of HPB in the reactor.
采用混合菌种非周定化技术可以充分发挥HPB的产氢活性，但是由于反应器内HPB的数量和比例不高，大大制约了混合菌种非固定技术生物制氢反应器效能的充分发挥。 - The statistics of hydrogen bonds showed that the fractions of the molecules, having two hydrogen bonds and the average number of hydrogen bonds per methanol molecule, were 77.39?% and 1.902 respectively.
对氢键的结构分析表明，形成两氢键的甲醇分子的摩尔分数为77.39%，每一甲醇分子形成氢键的平均数目为1.902； - In this article, hydrogen plasma was produced by helicon wave and the emission spectrum was detected. The electron number density N_e has been determined by using Stark broadening and the electron temperature T_e has also been obtained.
本文选用电离效率较高的螺旋波方式来激发氢等离子体，根据氢的发射光谱的Stark展宽得到电子密度Ne，并利用二谱线法求得电子温度Te。 - The experiment result showed that the hydrogen production efficiency was determined by the number and activity of HPB. The hydrogen production activity of HPB was enhanced by the mixed culture and non-immobilized technology.
实验结果表明，主要决定反应器产氢效能的因素是反应器内HPB的数量和活性。 - The hydrogen content only influences the number of hydride strips.
氢含量的增加只增加氢化物片的数量。同时分析了造成氢化物这种生长方式的原因。 - By measuring the volume of hydrogen gas which is produced by an amount of metal reaction with excessive dilute acid, the number of hydrogen moleculars can be calculated from the gaseous state equation and the mass of hydrogen molecular, thereby, Avogadro constant can be obtained
通过测定一定量的金属与过量的稀酸反应产生的氢气的体积，由气态方程和氢分子的质量可以计算出氢分子个数，从而得到阿佛伽德罗常数 - The experimental studies on hydrogen isotopic deuterium from gas to liquid phase were completed by mixed ratio 1 ∶ 4 of Pt-SDB hydrophobic catalyst and hydrophillic packing. The influencing factors on number of transfer units ( NTU) and transformation efficiencies of deuterium were researched.
采用PtSDB疏水催化剂与亲水填料按1∶4混装进行氘从气相到液相的催化交换实验，研究影响传质单元数及氘转化率的因素。 - It was pointed out that the catalyst with low hydrogen transfer activity, which is generally used in residue cracking, needs high catalyst/ oil ratio, and residue cracking and enhancement of gasoline octane number also need the same.
指出渣油裂化一般采用氢转移活性低的催化剂，这种催化剂需要在高剂油比下操作；对渣油的裂化和提高汽油辛烷值也需要高的剂油比。 - The Relationship between Refractive Index of Paraffins and Their Hydrogen Partial Charges and Path Number of Wiener
烷烃分子Wiener指数、氢平均正电荷分数与折光率间的关系研究 - Factors affecting the electrochemical property of the hydrogen storage alloy: cycle number and charge/ discharge rate
影响贮氢合金电化学性能测试结果的因素&循环次数和充放电制度 - Dimethoxymethane possesses higher quantity of oxygen, higher ratio of hydrogen to carbon and lower flash point. It can improve cetane number when mixed with the diesel oil.
甲缩醛含氧量大、氢碳比高、闪点低，加入柴油中能够提高其十六烷值。 - Hydrogen peroxide ( H2O2), which can generate a large number of free radicals, is often used as a cell oxidative stress revulsant.
过氧化氢（hydrogenperoxide，H2O2）能产生大量自由基，常被用作细胞氧化应激诱导剂。 - On the one hand, the hydrogen molecules can only be adsorbed on the transition atom, on the anther hand, when one more hydrogen molecule is added; there is a repulsion force between two molecules. Thus affect the total number of hydrogen uptake.
这是因为一方面在TMPc片状结构上，氢分子只能吸附在过渡原子上，由于空间局域性多个氢分子存在时它们之间有排斥力，影响了总的吸氢个数。