1) enthalpy produced in chemical reaction
反应生成焓
2) reaction enthalpies
反应热焓
1.
In order to fully understand the mechanism of process on laser cladding synthesis of TiCp/Al, reaction enthalpies should be brought into temperature and velocity fields numerical calculation.
因此本文采用在试样扫描过程中突然停止激光发射的办法,得到反应过程中不同阶段所形成的组织,进而判断出各阶段所发生的反应;利用差热分析法(DTA)和热力学计算法确定反应热焓值。
3) reaction enthalpy
反应焓
1.
The reaction enthalpy of coordination reaction of p toluidine with cupric bromide was determined to be Δ r H θ m=-26.
用新型的具有恒定温度环境的反应热量计 ,以溶解量热法及根据配位反应所设计的热化学循环 ,得到了配位反应的反应焓ΔrHθm=- 2 6 。
2.
Computational results show that the formation enthalpy and reaction enthalpy of the hydride decrease drastically with the substitution of F for H.
计算结果表明,氟取代氢化物中的部分氢导致了氢化物形成焓及反应焓的降低,改善了体系的热力学性能,有利于氢化物的放氢。
4) change of reaction enthalpies
反应焓变
1.
The change of reaction enthalpies were obtained.
用半经验的量子化学PM3方法研究了N对硝基苯甲酰四氢噻唑2硫酮与甘氨酸反应,优化了反应物和产物的最优几何构型,研究了反应物和产物的电子结构、电荷键序分布和反应焓变,讨论了反应机
5) reaction enthalpy number
反应焓数
6) enthalpy of formation
生成焓
1.
Theoretical calculation of bond dissociation energy and enthalpy of formation for trinitromethane;
三硝基甲烷键离解能和生成焓的理论计算
2.
The density was estimated theoretically by the Monte-Carlo method,and the enthalpy of formation was estimated by designing reactions which have equal bonds and equal electronic pairs.
用B3LYP法,在6-31G基组水平上优化了FOF-18的几何构型,得其稳定的几何构型;在振动分析的基础上求得体系的振动频率、IR谱;采用Monte-Carlo方法预估了密度;设计等键等电子反应计算了生成焓;运用Kamlet公式预测爆速、爆压和爆热;将计算性能与CL-20的性能作比较。
3.
Its 0-order index and 1-order index were related,respectively,with lattice energy,enthalpy of formation,ion hydrated energy of 20 kinds of alkali halides,internuclear distance bond length of gaseous alkali halides,lattice energy of 20 kinds of alkali-earth metal halides,51 kinds of ion hydrated heat,and 80 kinds of ion standard heat of formation,then some regression equations were suggested.
用mG的0,1阶指数分别与20种碱金属卤化物的晶格能U1、生成焓ΔfHm、离子水化能ΔhGθm、气态碱金属卤化物核间距R0、20种碱土金属卤化物的晶格能U2、51种金属离子水合热ΔhHhθ和80种离子标准生成热ΔfHθm关联,所获得的0,1阶指数的拟合回归方程的相关系数(复相关系数)分别为0。
补充资料:生成焓
分子式:
分子量:
CAS号:
性质:见生成热。
分子量:
CAS号:
性质:见生成热。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条