Discussion on Oxidation and Temperature Rising of Coal and Accelerated Reaction Region in Coal 煤氧化升温规律以及煤中加速反应区域探讨
The results showed the catalyst could reduce the active energy of resin, thus the reaction rate could be accelerated and reaction temperature could be reduced remarkably. 研究表明,氰酸酯主催化剂能降低反应活化能,使固化反应速度明显加快,反应温度降低;
The structural analysis of oxidation sediments of model compounds showed that during accelerated oxidation, the condensation reaction between phenols was probably one of the mechanisms of sediment formation. 酚类模型化合物氧化沉渣的结构分析表明,在催速氧化过程中,酚类间的缩合反应是形成沉渣的可能途径之一。
As for neutral silicane coupling agent, when amino-group-containing organic compounds were added into it, the reaction procedure could be accelerated and the flexible material could be rotmed through self-condensation reaction so as to increase the interfacial bonding power. 对于中性硅烷偶联剂,外加胺基或含胺基的有机化合物,也可加速反应进程.自缩合反应形成有柔韧性的物质,从而提高了界面的粘接力。
Fiber sensing technique in microwave accelerated reaction system 微波消解仪中的光纤传感技术
Microwave irradiation accelerated the reaction for about 3 times in comparison with common heating process probably due to the non-thermal effect of microwave to chemical reaction. 微波可以使反应速率提高到常规加热的3倍左右,其原因是微波对化学反应存在非热效应。
By analysis of the coke deposited on the accelerated aging catalyst and the industrial deactivated catalyst and other properties of the catalysts, it was expounded that the accelerated aging test was feasible to predict catalyst lifetime in alkylation reaction of benzene with alkene. 通过对相同催化剂在加速失活和工业操作失活后两个催化剂样品结炭物质的剖析和各种性能的比较,阐明用加速失活实验判断烯烃与苯烷基化催化剂的寿命是可行的。
The tests of concrete microbar samples were divided into three series for concrete microbar test: single effect of freezing-thawing cycle, single effect of accelerated alkali-silica reaction, and interaction effect of alkali-silica reaction and freezing-thawing cycle. 小混凝土法试验将小混凝土柱试件分为冻融循环单一作用、快速碱-硅酸反应单一作用、冻融循环和快速碱-硅酸反应交互作用三个系列。
A, accelerated the conversion reaction. A的溶解性,从而促进转化反应的进行。
Water vapour accelerated the reaction distinctively. 水汽明显加快反应速率。
After kidney transplantation, 31 cases 'kidney function recovered and the cure rate was 91.9%, 3 cases of transplanted kidney excised and 1 case died with the reason of accelerated rejective reaction. 肾功能恢复31例,治愈率91.1%,3例移植肾切除,死亡1例,死亡原因是加速排斥反应。
The results showed that Pd as catalyst accelerated the reductive dechlorination reaction; and that the dechlorination efficiency increased with Pd loading of the bimetallic particles. 实验结果表明,把钯作为催化剂明显加速了氯苯还原脱氯反应,并且脱氯率随着钯化率增加而增加。
The grape wine was disposed at 400mg/ h and 200mg/ h the live oxygen, it accelerated the grape wine interior oxidation and esterification reaction. 葡萄酒经活氧产量400mg/h和200mg/h催陈处理,加速了葡萄酒内部的氧化和酯化反应。
Bis ( diphenyl methyl) ether was synthesized under microwave irradiation by dry reaction at ambient pressure. The rate of reaction was dramatically accelerated and high yield was obtained, comparing with that of methods using organic solvent as medium or using dry reaction by conventional heating. 在常压下用微波辐射固相反应的方法合成了二苯基甲基醚,与用有机溶剂为介质及传统的热固相反应方法相比,其反应速率快,产率高。
Accelerated and enhanced mixed lymphocyte reaction ( MLR) and skin allograft rejection ( SAR) were observed in mice sensitized with related alloantigens. 被同种异体抗原致敏的受者小鼠,对有关供者混合淋巴细胞反应(mixedlymphocytereaction,简称MLR)和移植皮片再次排异反应,都显示反应得到加速和增强。
With the increase of the temperature, the densification process is accelerated, which can partially counteract the bulk expansion from mullite solid-state reaction at about ( 1 300 ℃). 随着温度升高,试样的致密化过程加快,部分抵消了1300℃左右莫来石形成所产生的体积膨胀。
The results showed that HCCP accelerated the reaction rate and increased the graft efficiency; 结果表明:HCCP可加快反应速率,提高接枝效率。
There are two stages, namely induction stage and speed up stage, in accelerated oxidation reaction. In the induction stage, the acid-forming reaction belongs to 0 grade reaction. 抗燃油在加速氧化反应中存在诱导期和加速期两个阶段,诱导期内产酸反应为0级反应。
The induced surface phase transition only influenced the reaction at very small adsorption rates PA: it decreased the concentration CA of reactant A, but accelerated the reaction, resulting in a continuous increment of CA from 0 with the increase of PA. 重构表面的诱导相变只影响PA很小时的反应:它降低反应物A的浓度CA,但使反应加快,这使得CA随PA从0开始连续增加。
Based on the discussion of reaction mechanism, surface dehydrogenation becomes the rate-determining step, which can be accelerated by amounts of defects on the catalyst surface and then promotes the overall reaction. 通过反应机理的探讨,认为表面脱氢反应是整个反应的速率控制步骤。等离子体还原Pd/AC催化剂时,在其表面产生大量的缺陷位,加快了控制步骤的进行,从而提高转化率。
The study showed that the catalyst samples contained a large number of active ingredients cuprous chloride which accelerated the synthesis reaction, this mainly due to the catalytic oxidation of copper chloride oxidation, making the conversion rate of phosphine greatly improve. 研究表明催化剂样中含有大量的活性成分氯化亚铜,主要由于氯化铜的催化氧化氧化作用加速了合成反应的进行,使得磷化氢的转化率大大的提高。
After analysis: The lignin degradation reaction by ozone is a first order reaction, the reaction rate is accelerated with the increase of lignin concentration and reaction temperature. 第二,对木质素降解反应的基本动力学参数&浓度和温度进行了研究,经测定分析:木质素的臭氧降解反应属一级反应,反应速率随木质素浓度和温度的增加而加快。
However, diffusion rate of the aqueous solution in the coatings is accelerated under hydrostatic pressure. Meanwhile the corrosion reaction rate of metal matrix is increased under hydrostatic pressure. 但是高静水压力环境下水溶液在涂层中的扩散速度显著加快,同时扩散能力也显著增强。静水压力促进了金属基体腐蚀反应过程的进行。