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- sntadard heat of formation 标准形成热
- Five factorswere chosen as main influence factors: heat of formation, net charge of metal centeratom, HOMO and LUMO. 并以铁卟啉类化合物的生成热、中心金属电荷、最高占据轨道HOMO和最低非占据轨道LUMO能量为主要参数进行讨论。
- By using the effective heat of formation, Mo3Al8 is predicted to bethe first phase formed. 利用有效生成焓理论,推测生成的非晶合金可能是Mo3Al8。
- Appling these values to the estimation of heat of formation of aliphatic nitro compounds, a satisfied result is given. 硝基化合物是常用的含能材料,其生成热的估算具有重要的意义。
- The heat of formation for several homolog seriers of organic compounds has first been determined using gas chromatography method in this paper. 本文首次用气相色谱法测定了几个同系列有机化合物的生成热。
- The heats of formation of various ionic compounds show tremendous variations. 各种离子化合物的生成热显示出有很大的差异。
- The calculation results show that the aromatic delocalizing electronic structure including in TATB brings a systematical serious error to the calculation of heat of formation. 计算并讨论了TATB的生成焓。结果表明，TATB分子中的苯环离域电子结构引起TATB生成焓计算的较大的系统偏差；
- A cloth was seared by the heat of the oven. 一块布被烤箱烧焦了。
- Appling these values to the estimation of heat of formation of aliphatic nitro-compounds, a satisfied result is given.The correlation coefficients (R) of MLR equation is 0.9970. 应用这些值对脂肪族硝基化合物的生成热进行了估算，取得了满意的结果，其拟合方程的回归系数达到0．9970。
- In the heat of the argument I lost my self-control. 在激烈的争论中,我失去了自制力。
- They lay by during the heat of the day. 他们在白天最热的时候停下来休息。
- The eggs are hatched by the heat of the sun. 这些卵被太阳的热力所孵化。
- The heat of summer afternoon invites sleep. 夏日午後的炎热令人昏昏欲睡。
- The results indicated that Ga, P, Ge, Mg, Zn, Al, In or As is enriched in the surface film, and its enrichment appears to be concerned with the higher heat of formation of relative oxide. 其中Ga,P,Ge,Mg,Zn,Al,In,As在表面膜中有很大的富集。
- The variation of heat of formation and O-H bond lengths with the adsorption distance have been calculated . The results show that there are two active adsorption site on the model zeolite. 通过模拟计算确定了两个低能吸附位点及相应的吸附热;结果与实验值非常接近.
- The farmers are lying by during the heat of the day. 农民们在中午最热的时候歇工。
- Hess's law says that if a reaction is carried out in series of steps, the heat of formation for the reaction will be equal to the sum of the enthalpy changes for the individual steps. 如果一个反应分几步进行，则各反应的反应热之和与该反应的反应热是相等的。
- A simple method for calculating the standard heats of formation of organic compounds containing carboxide using the inductive effect index is built up. 利用诱导效应指数建立了一个含羰基有机化合物的标准生成热的简单计算方法。
- In the heat of the argument we mustn't lose sight of our main purpose. 在辩论得激烈的时候，我们不应忘掉我们的主要目的。
- He adjusted himself very quickly to the heat of the country. 他很快使自己适应了这个国家炎热的天气。
