MAA-Zn could also decrease the activation energy of vulcanization, and increase the crosslinking density and the resistance to heat aging of vulcanizate. 经分析可知,MAA-Zn还可以降低硫化反应活化能、提高硫化胶的交联密度和耐热老化性能。
Clinical Study on Immunity, Adrenocortical Function and Platelet Activation in Cold Heat Type of Attack Stage of Child Asthma 儿童哮喘发作期冷热哮证免疫、肾上腺皮质功能及血小板活化状态的临床研究
Objective To investigate the relationship between ERK activation and heat induced cell death. 目的研究胞外信号调节激酶1(ERK1)的激活与热诱导细胞死亡的关系。
The activation of heat-shock gene transcription in eukaryotes during the stress response is mediated by the conserved heat shock transcription factor ( HSF) which binds to the heat shock element ( HSE) in the promoters of heat-shock genes. 真核生物中热激基因的表达被热激转录因子(heatshocktranscriptionfactor,HSF)所介导。热胁迫时,HSF被激活并结合到热激元件(Heatshockelement,HSE)上。
The apparent activation energy and the preexponential constant of heat decomposition reaction were evaluated. 估算了热分解反应的活化能和指前因子;
Kinetics parameters of DGEBA and HTME-2/ DGEBA curing systems were obtained by Coats-Redfern model. The reaction order, reaction activation energy and reaction heat lowered with increasing of HTME-2 content in the hybrid resins. 利用示差扫描量热仪测试杂化树脂的固化反应过程,通过Coats-Redfern模型确定了固化反应动力学参数,结果显示,HTME-2的加入使杂化树脂的固化反应级数、反应活化能和反应热下降。
Kinetic parameters, such as activation energy, pre-exponential factor and reaction order and reaction heat are calculated using reaction rate method and mechanism function method. 利用速率常数法和机理函数法计算了绝热分解的活化能、指前因子、反应级数等动力学参数和反应热等热力学参数。
Three simple activation methods for adsorption-type high performance liquid chromatographic columns were described namely, polar solvent flushing method, solvent heating flushing method and heat activating method under inert carrier gas flow. 本文介绍了吸附型高效液相色谱柱的三种简易活化方法:极性溶剂冲洗法,溶剂加热冲洗法和在惰性载气流作用下的加热活化法。
The onset and the peak temperature, value of activation energy and decomposition heat of CL-20 decrease with the increase of carbon nanotubes. 同时,随着纳米碳管百分含量的增大,CL-20的起始分解温度、分解峰处温度、活化能以及放热量都逐步降低。
The results show that different dimensions of dried wood display different warp activation energies which vary with surrounding drying parameters such as humidity and temperature, and affect the properties of heat and mass transfer of the material. 研究结果表明,不同几何尺寸木材试样的偏差活化能值随着环境温度和湿度而变化,并且影响着木材的传质传热动态特性;
The influences of activation time on combining force, heat treatment temperature on surface hardness and post treatment on anti corrosion behavior of Ni P alloy coating are analyzed. 分析了活化处理时间对化学镀NiP镀层结合力、热处理温度对镀层表面硬度及后处理等对镀层耐蚀性的影响规律。
The electrochemical analyses show that the electrochemical properties of the alloy, such as activation, capacity, cycling stability and discharge ability at different current density, are well improved by supplementing proper Mg and annealing heat treatment. 电化学测试表明,增加适当Mg含量和进行退火热处理能明显提高和改善合金电极容量、循环稳定性和大电流放电性能。
The apparent activation energy of heat-degradation, E, from 16.7 to 22.4 kcal./ mol. 热降解表现活化能E为16.A~22.6千卡/克分子;
The variation regularity for activation energy of thiophene HDS is the same as that of adsorption heat on MoS 2/ Mg ( Al) O. MoS2/Mg(Al)O催化剂上噻吩HDS反应的活化能随着MoO3含量的变化情况与吸附热的变化情况相似。
This paper studied on the activation ti me of sprinkler and the critical heat release rate to activatethe sprinkler when a fire happened. 探讨了火灾时闭式喷头的响应时间和启动闭式喷头的临界火源功率,通过分析计算,给出了喷头启动时间与各种影响因素的拟合公式。
For the manner of activation, the activation of a simple heat is worse than that of the increased calcium. The best content of lime is 14%. 对于活化方式而言,单纯的热活化没有增钙热活化效果好,石灰最佳掺量为14%;
The activation energy of heat decompositions of C/ C-SiC composite was higher than that of single C/ C material, and anti-oxidation property was highly improved. 氧化反应活化能结果表明,C/C-SiC复合材料的氧化活化能高于单一的C/C材料,复合材料的抗氧化性能得到提高。
Due to activation effect during mechanical milling, residual starting materials completed reaction at below 800 ℃ in subsequent heat treatment. 由于机械球磨的活化作用,在后续热处理中,800℃以下剩余原料就基本反应完毕。
By electrochemical polarization curves and adsorption theory, calculated by adding corrosion inhibitors for zinc corrosion in hydrofluoric acid in the activation energy and adsorption heat, and then the mechanism of inhibition. 通过电化学极化曲线和吸附理论,计算了缓蚀剂的加入对锌在***中腐蚀反应活化能的影响并得到一系列相关热力学参数,进而分析缓蚀作用机理。
The conventional activation methods consist of heat, UV and metal activation. 现有的过硫酸盐活化方法主要包括热、紫外光、过渡金属三种。