查询词典 alkaline reaction

The laboratory investigation result showed that the key effect factor on decomposition of hydrogen peroxide was the alkaline environment due to the presence of ammonia in the reaction system of amm oximation of cyclohexanone to cyclohexanone oxime over silicon-titanium zeolite.

在实验室对钛硅分子筛催化环己酮氨肟化制备环己酮肟反应体系中引起H_2O_2分解的原因进行了考察。

In the second chapater, first-principles electronic structure calculations were performed to examine the reaction pathway and corresponding activation free energies for alkaline hydrolysis of representative phosphodiesters, including dimethyl phosphate, trimethylene phosphate, ethylene phosphate, and a simplified model of adenosine 3\', 5\'-phosphate.

第二章中主要应用量子化学从头计算方法研究了四种磷酸二酯—二甲基磷酸酯，乙撑磷酸酯，TMP阴离子及cAMP的模型化合物的碱性水解反应途径，并估算了各个反应的能垒和自由能能垒。

This paper introduces rapid test of the alkaline aggregate reaction and experiment of inhibition method performance to the yarding aggregate for concrete according to the CECS 48:93"Grit,stone active rapid experiment method"basing on the practical project situation.

介绍了结合工程实际情况对已进场的混凝土用骨料，依据CECS48：93《砂、石碱活性快速试验方法》，进行碱骨料反应快速测试和抑制方法的试验。

Acid corrodes steel, whereas concrete has an alkaline chemical reaction, the opposite of acid.

钢铁酸腐蚀，而具体有一个碱性的化学反应，酸相反。

The highest occupied molecular orbit and the lowest unoccupied molecular orbit are calculated, and the energy gap of the two orbits determines the activity of the reagents, and yet, in an alkaline solutions for flotation, the HOMOs of the corresponding ions decide the rigidity of the reagents and therefore determine the reaction activity with different rigidity metal cations in minerals, which vary flotation performance to different minerals, and the experimental results were verified.

药剂与矿物作用的能量计算结果表明：苯氧乙酸类抑制剂与方解石和一水硬铝石作用后的能量变化均为负值，能量变化有利，可以形成稳定的吸附；而与黄铁矿作用后的能量变化为正，能量的变化是不利的，故不能形成稳定的吸附，表现出较弱的抑制作用。

Acid corrodes steel, whereas concrete has an alkaline chemical reaction, the opposite of acid.

酸可以腐蚀钢，而混凝土中有一种碱性化学反应，可以中和酸化作用。

It indicated chemistry reaction occurred between cellulose and alkali and got alkaline cellulose.

碱与纤维素作用时，纤维素会发生化学作用生成新的化合物——碱纤维素；纤维素会发生物理化学作

The immediate effect of urea on the soil reaction is alkaline.

尿素对土壤反应的直接效果表现为碱性反应。

AEM DMFC is benefited from the alkaline media and the reaction activities of cathode and anode are greatly improved.

引言直接甲醇燃料电池是以离子交换膜为电解质、甲醇为阳极燃料、空气为氧化剂的燃料电池。

The addition reaction with alkaline catalyst was used for the preparation of urea-formaldehyde prepolymer of rose perfume microcapsule.

以脲醛树脂为囊壁的玫瑰香精微胶囊，其囊壁原料脲-甲醛预聚体的制备，采用了碱催化下的加成反应工艺。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。