查询词典 hydrogen

In the electrolytic exhaust gas of aluminium, the hydrogen fluoride is the main pollutant , so it is to judge one of the important standards up to standard of in electrolytic discharge of aluminum smelter to measure the content that the exhaust gas hits the hydrogen fluoride.

在铝电解烟气中，氟化氢是最主要的污染物，因此检测烟气中氟化氢的含量是判断电解铝厂排放是否达标的重要标准之一。

In order to Shanghai Hongqiao solid waste incineration process, the bag filter dust removal efficiency of 99.5%; to "dry except acid than acid + wet" treatment process, hydrogen chloride removal on the rate of 99% of the sulfur oxidation material could be removed in 95% of hydrogen fluoride could be removed in 90%; for the treatment of heavy metals in the main to take "effective capture" and "low control" measures, and adsorption using activated carbon, activated carbon for mercury, cadmium, removal of heavy metals such as lead up to 90%.

在以上海江桥生活垃圾焚烧过程中，布袋除尘器除尘效率可达99.5%以上；采取"干式除酸＋湿法除酸"处理工艺，对氯化氢的去除效率可达99%、对硫氧化物的去除效率可达95%、对氟化氢的去除效率可达90%；对于重金属的处理主要采取"高效捕集"和"低温控制"措施，并用活性炭进行吸附，活性炭对汞、镉、铅等重金属的去除率可达90%以上。

As an example, we note that the relativistic correction to the hydrogen shielding in hydrogen iodide is about 15 ppm at the Hartree-Fock level, an effect that exceeds the normal shielding range of protons.

本文第二章首先引入了一种含有相对论效应的拟相对论的Hamiltonian，并运用到汞和碲等重核元素的核磁屏蔽常数和化学位移的量子化学从头算研究中。

The hydrogen ion is a positively charged hydrogen atom. Soils may vary from a pH of 4.5 to 9.

氢离子是一个带正电荷的氢原子）土壤pH值从4.5变化到9。

In this paper, mechanism and influencing factors of hydrogen sulfide corrosion were discussed, and methods for controlling hydrogen sulfide corrosion were presented.

本文详细地论述了硫化氢腐蚀的机理及影响因素，并阐述了控制硫化氢腐蚀的方法。

By the role of hydrogenase, hydrogen with biohydrogen-bacterium produced can quickly reach the balance of hydrogen isotope exchange with water medium.

在氢化酶作用下，产氢菌形成的氢气与水介质之间可以迅速的达到氢同位素交换平衡。

Multi-hydrogen-groups on the catalyst make deep hydrogenation or hydrogenolysis take place. Adding promoters in the copper-substrate and zinc-substrate catalysts helps to formatting the multi-hydrogen-groups on the surface of them.

通过助催化剂的添加，在Cu基催化剂和Zn基催化剂上产生多氢吸附集团，可以改善催化剂深度加氢或氢解反应的性能，以有效地调控深度加氢反应。

A very strong acid, it forms ions of hydrogen or hydronium (H+ or H3O+), hydrogen sulfate (HSO4-), and sulfate (SO42-).

硫酸是一种强酸，能生成氢离子或水合氢离子(H3O+)、硫酸氢根离子(HSO-4)以及硫酸盐(SO2-4)。

A really effective hydrophobia catalyst with stability and high activity is the key to hydrogen isotope exchange reaction between hydrogen gas and liquid w...

本研究制备了Pt-SDB和Pt-C-PTFE两类憎水催化剂，催化剂的活性组分均采用铂。

The isotope exchange reaction between hydrogen and water by hydrophobia catalyst is an effective method to separate hydrogen isotope because of its mild operating conditions.

该项技术与商业利益密切相关，各国催化剂的具体制备工艺都是保密的，因此，必须自力更生，制备出适合工程上使用的高效、稳定的憎水催化剂。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48