查询词典 irreversible

Result and conclusion: The electrochemical experimental results show that the two totally irreversible oxidation peaks in the region of 0.3-1.2 V vs SCE for both MT and SR were observed,and the electrode reactions processes were diffusion-controlled.Their electron transfer number n and electron transfer coefficient α were obtained by CV and electrolysis with coulometry.The diffusion coefficient D and rate constant k f were also calculated by CC and CA.

结果与结论：在0.30~1.2 V电位窗口内，MT和SR均产生1个不可逆氧化峰，并且它们的电极反应均受扩散步骤控制；用控制电位电解库仑法和循环伏安法得到MT和SR的电极反应电子转移数n和电荷转移系数α，运用计时库仑法和计时电流法测定了它们的扩散系数 D 及电极反应速率常数kf。

A vulcanised material is a product that has undergone a polymerisation reaction, which produces an irreversible three-dimensional networked molecular structure.

这种硫化卷材是经过聚合反应的产品，这种反应能产生不可拟立体网状大分子结构。

When exterior factors such as the addition of electrolyte to colloids lead to the formation of lower symmetry aggregates such as trimers and tetramers, HRS signal is enhanced, but it is required that the aggregation of particles is compact and irreversible.

当外界因素导致的胶体中形成低对称性的粒子聚集体时，对HRS信号有增强作用，但要求粒子间的聚集是紧密的和不可逆的。

Irreversible sorptions of pesticides Azinphos-methyl,Diuron,Atrazine and Prometyn on Kaldenkirchen soil were studied by a method of soil column liquid chromatography with stepwise adsorption/desorption .

利用土壤柱液相色谱多级吸附/脱附法研究了保棉磷、敌草隆、莠去津和扑草净在土壤中的不可逆吸附及其影响因素。

At the same time, there is no fundamental chan g e in the external environment for China's economic g rowth. The pursuit of peace, development and cooperation is the irreversible trend in today's world. The readjustment to the international division of labor offers new opportunities.

同时，中国经济发展的外部环境没有根本改变，求和平、谋发展、促合作是当今世界发展不可阻挡的潮流，国际分工格局调整中蕴藏着新的机遇。

The historical course of reunifying the motherland is irreversible, and the continuously developing relations between the two sides of the Taiwan Straits is in accordance with the general trend and the will of the people.

上述八项主张的提出，充分体现了中国共产党和政府解决台湾问题的一贯性和连续性，体现了发展两岸关系、促进祖国统一的决心和诚意，受到了海内外中国人的热烈欢迎，也引起了国际社会的高度重视。

In comparison with the sample directly sintered at 650 ℃＜TN, an interesting, irreversible transformation in the crystal structure of the MgB2 phase is observed with the sample going through the stages of initial sintering at 750 ℃, then re-sintering at 650 ℃ in an Mg-rich environment after the processes of regrinding and pressing.

把直接在650 ℃＜T N，烧结的样品与先在750 ℃下烧结，之后又再次重磨和处理后，并于富镁的环境中在650 ℃下再烧结处理的样品相比较，观察到了MgB2的不可逆的晶体结构转变。

This step is irreversible.(3) Phenyl isopropyl ether is very difficult to oxidize in dark, exhibiting different behavior from isopropyl ether and benzyl isopropyl ether.

3发现苯基异丙醚难以进行暗氧化，与异丙醚和苄基异丙醚醚表现出不同的暗氧化行为。

Pyrolyzing wheat straw for 24h in the range of 300~700℃, the chemical composition of black carbon and the BET specific surface areas were determined; the phenanthrene adsorption and desorption on black carbon were studied, and the greatest irreversible adsorption amount on black carbon was measured.

测定了黑碳化学组成和BET比表面积，研究了菲在黑碳上的吸附与解吸，测定了菲在黑碳上的最大不可逆吸附量。

The major concern during laser irradiation of teeth is the high potential of tissue overheating resulting high temperatures that can spread in toward the dentin,causing irreversible damage to cells presented in the pulp chamber and leading to cell death,so the related laser irradiation parameters should be controlled strictly.

激光辐照牙齿时所产生的温升容易引起牙髓细胞不可逆的损伤，导致牙髓细胞坏死，因此必须对相关的激光参数加以控制。建立了激光与牙齿相互作用的热传输模型，利用Crank-N icolson有限差分法数值模拟了不同Nd∶YAG激光参数照射下牙齿表面及内部的温度场的分布。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。