查询词典 hydrogen

In this experiment, the depolymerization of chitosan by hydrogen peroxide was studied.

本实验使用过氧化氢来进行几丁聚醣之去聚合反应以制备低分子量几丁聚醣。

Results of our experiments showed that the depolymerization rate of chitosan depended on the reaction temperature, the reaction time and the concentration of hydrogen peroxide.

实验结果显示，几丁聚醣之去聚合反应受到反应温度、反应时间及过氧化氢浓度的影响，当反应温度为60℃，反应时间为两小时且过氧化氢浓度为2 M时，可得到分子量约四万的几丁聚醣。

After depolymerization of coal, its content of carbon and hydrogen decreases whereas that of chlorine,oxygen,humic acid as well as active functional group increases.

降解过程中，常常在煤分子上引入或生成新的活性基团，这些基团可大大提高煤的反应活性，为煤的进一步加工利用提供基础。

Several kinds of hydrogen desiccation technologies for turbo generation are systematically introduced in this paper.

在氢气系统中加装干燥设备已成为降低湿度的一种必要手段，氢气干燥设备也逐渐成为一种不可或缺的电站辅机。

The passing status and progress of hydrogen desiccator based on condensation in recent years is analyzed and compared with each other in detail.

目前，人们已开发研究出基于吸附干燥和冷凝干燥两种原理、形式多样的氢气干燥器。

The article puts forward the detecting method of using normal butyl alcohol as outer standard substance, using PEG- 20M as fixation phaseand and hydrogen flame detecter, using methanol as solvent, detecting the content of trace MMA from composite material of artificial skull with gas phase chromatography method.

采用氢气焰离子化检测器，以正丁醇为外标物，PEG-20M为固定相，甲醇作为溶剂，气相色谱法测定复合材料人工颅骨中微量MMA的含量。

Objective To establish a method for the determination of sulfmethemoglobin so as to evaluate the detoxication effects of methemogobin formation agent on hydrogen sulfide poisoning.

目的 探讨建立硫高铁血红蛋白的测定方法以评价不同高铁血红蛋白形成剂对急性硫化氢中毒的解毒作用。

P-t curves of titanium hydride and titanium deuteride desorbing hydrogen and deuterium are investigated at 350～550 ℃ by using the method of reaction rate analysis in a constant volume system.

在高真空金属系统上测定了氢化钛和氘化钛在恒容体系中、350~550℃温度下热解吸氢和氘的P-t曲线；应用反应速率分析方法计算了各自在不同温度下的反应速率常数，得到氢化钛和氘化钛热解吸的表观活化能分别为27。

If you produce ortho hydrogen, then this also creates deuterium in which is what you want.

如果您出示邻氢，那么这也创造氘，在这是你想要的。

To increase the power of the hydrogen, he irradiated it making deuterium.

增加的权力，氢，他照射，它使氘。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。