焓变,enthalpy
1)enthalpy[英][en'θ?lpi][美][?n'θ?lp?]焓变
1.Determination of Enthalpy and Volume Changes in Photolysis of Coenzyme B_(12) Using Photoacoustic Calorimetry;光声量热法测定辅酶B_(12)光解的焓变和体积变化
2.The enthalpy-entropy compensation was thermodynamically examined in the phase changes,chemical reactions and other analogous processes.用热力学的方法讨论了各种参数变化时焓变与熵变之间的关系,得出焓—熵的补偿关系在一定条件下为线性关系。
3.Based on PCT tests at different temperature entropy and enthalpy of each system could be calculated out The enthal.根据不同温度下的PCT测试结果可以推出各体系的焓变和熵变。
英文短句/例句

1.The change in heat content is called the enthalpy change, △H.热焓的变化称为焓变△H.
2.The chill effect is found to depends upon the enthalpy change of the base materials and coating depth.焓变涂料激冷作用的大小,取决于基料物质比焓变的大小以及涂层厚度等因素.
3.Determination of Enthalpy Change of Coordinating Color Reaction by UV Vis Absorption Spectrum Method紫外-可见吸收光谱法测定配合显色反应的焓变
4.A New Type of Enthalpy Coating and Its Application in Thin-Wall Casting Process;新型焓变涂料及其在薄壁件铸造技术中的应用
5.Analysis on the process and computation of enthalpy increment in chemical reaction heat experiment;化学反应热实验的过程分析及焓变计算
6.Study on Test Conditions of the Melting Enthalpy about PEG_(10000) Measured by Using DSC采用DSC测量PEG_(10000)熔融焓变测定条件的研究
7.A Discussion on the Effect of Enthalpy and Entropy Change upon Rational Process and Its Relative Contribution;谈焓变和熵变对自发过程的影响及其对△G的相对贡献
8.Analysis and Experimental Verification for Enthalpy Characteristics of Adiabatic Throttle Process in Capillary Tube;毛细管绝热节流过程焓变化特性的理论分析与实验验证
9.If the adsorption enthalpy increment of oil displacement agent on rock is greater, the adsorption capacity is higher, more favor for changing the surface property of rock.驱油剂在岩石表面的吸附焓变越大,吸附能力越强,越有利于改变岩石表面的性质。
10.The studies both on the enthalpy and on the free energy of adsorption manifest a physisorption process.对吸附焓变和自由能变的讨论同时表明树脂对对甲苯胺的吸附为多层物理吸附过程.
11.The positive values of enthalpy chang indicated that dehydration effects seem to dominate DNA adsorption on kaolinite and goethite at lower MgCI2 concentrations and higher pH values.随着MgCl_2浓度的增加和pH的减小,DNA在高岭石和针铁矿表面吸附焓变逐渐降低。
12.A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化。
13.Selection and analysis of relative change reference of efficiency for equivalent enthalpy drop methods等效焓降法效率相对变化基准的选择与分析
14.Research on thermal enthalpy of phase change material of dodecanol/polyurethane十二醇/聚氨酯合成相变材料热焓值的研究
15.The change in enthalpy may be expressed in terms of the specific heats of the phases and the temperature and pressure changes.热焓的变化可以表达为各相比热和温度压力的变化。
16.Microcalorimetric Study on Displacement Adsorption Enthalpies of Denatured RNase a on Hydrophobic Surface;变性核糖核酸酶在疏水表面置换吸附焓的微量热研究
17.Microcalorimetric Study of Displacment Adsorption Enthalpies of Denatured α-Amylase on the Hydrophobic Surface;变性α-淀粉酶在疏水表面置换吸附焓的微量热研究
18.In order to analyse the deformation solidifying process with heat transfer in the continuous casting rolling, we establish the enthalpy finite element control mathematical model and develop the numerical value simulation software, which can trace the temperature and solidify time.建立了变形体凝固传热焓式有限元控制数学模型,并开发了相应的连续铸轧过程数值仿真软件。
相关短句/例句

enthalpy change焓变
3)thermal enthalpy of transformation相变热焓
4)apparent enthalpy表观焓变
1.Conformational apparent enthalpy differences ΔH in the crystallization process have been calculated by van′t Hoff equation at constant pressure and plotted with temperature.通过采集150℃~67℃连续降温过程的显微红外光谱数据,运用在等压条件下的van′tHoff关系式推导计算特征基团在降温结晶过程中起点和终点振动的两种能态吸光度比值的变化和振动能态转变的表观焓变
2.Conformational apparent enthalpy differences ΔH in the crystalline melting process have been calculated by van′t Hoff equation at constant pressure and plotted with temperature.通过采集40℃~250℃连续程序升温过程的显微红外光谱数据,运用在等压条件下的van′tHoff关系式推导计算特征基团在升温熔融过程中起点和终点振动的两种能态吸光度比值的变化和振动能态转变的表观焓变(ΔH)。
5)enthalpy of melting融化焓变
6)adsorption enthalpy吸附焓变
1.Adsorption and adsorption enthalpy of cationic surfactant on different sandstone surface;阳离子表面活性剂在不同砂岩表面的吸附与吸附焓变研究
2.The negative values of the adsorption enthalpy Δ H are indicative of an exothermic process, thus l.吸附焓变 ΔH<0表明吸附为放热过程 ,降低温度有利于吸附 。
延伸阅读

等焓变化分子式:CAS号:性质:一个体系从状态1变化到状态2的过程中,若其焓值不变,则称之为等焓过程。节流过程就是一种等焓过程。过程中所经历的状态可由热力学关系式和状态方程来确定,也可由Mollier图读得。