查询词典 hydrogen bromide

The neutrons are generated by bombard ing a heavy form of hydrogen, called tritium, with a lighter isotope of the gas, called deuterium. The resulting collisions create helium atoms and a stream of neutrons.

中子是通过氢的一种名叫氘的较氚轻的同位素来撞击它的一种名叫氚的重同位素而产生的，它们之间发生的碰撞创造了氦原子和中子流。

Heavy water ; hydrogen isotope ; oxygen isotope ; mass spectrum

重水；氢同位素；氧同位素；质谱

When combined by heavy chromate-sodium hydrogen sulfite and by silane couplant, rapidly quenched NdFeB permanent magnetic particles, can form passive pycho-film (containing Cr〓O〓) and silane composite coating, which can improve greatly its oxidation resistance of NdFeB particles and increase the magnetic properties of bonded NdFeB Permanent Magnetic Composite .

采用重铬酸盐钝化-亚硫酸氢钠还原与硅烷偶联剂处理相结合来包覆处理快淬NdFeB永磁粉，能在快淬NdFeB表面形成致密的含Cr〓O〓钝化膜/硅烷复合涂层，它们显著地改善了快淬NdFeB的抗氧化性并提高了粘结NdFeB永磁复合材料的磁性能，并与其它的NdFeB包覆处理工艺所获得的涂层进行了比较。

Hydrogen peroxide as the matrix of the sample is decomposed by refluxing in alkaline medium.

对过氧化氢中的阴离子限量要求，因其用途各异而不同。

Hydrogen is also one of the coolest refrigerants.

氢是温度最低的冷冻剂。

Inhibitors are added in the green sand mold to avoid the moisture from reacting with the magnesium melt, resulting in forming magnesia slag and hydrogen formation.

故而本实验将比较使用不同的抑制剂，包括十二烷基磺酸钠、硼酸、硫磺、与氟硼酸钾等对於AZ91镁合金铸件外观之研究。

Is trying to trick green algae into producing hydrogen instead of sugars when they perform photosynthesis.

奇若蒂在美国科罗拉多州的国家可再生能源实验室里对绿藻进行研究的目的是什么？

Based on the comparison of coal desulfurization effects of several kinds of oxidants,the mixed oxidant of glacial acetic acid and hydrogen peroxide was selected as the best.

在用多种氧化剂对煤炭脱硫效果进行比较研究的基础上，筛选出脱硫效果最好的冰醋酸与过氧化氢混合物氧化剂。

The effects of reaction temperature, reaction time, the quantity of glacial acetic acid, the quantity of hydrogen peroxide and the quantity of magnesium sulfate anhydrous on the results of experiment are investigated.

探讨了该工艺的可行性，分别考察了反应温度、反应时间、冰醋酸用量、过氧化氢用量以及无水硫酸镁用量对实验结果的影响。

The effects of various influence factors, such as the amounts of glacial acetic acid, hydrogen peroxide and catalyst, reaction temperature, reaction time were discussed.

采用过氧乙酸法制备环氧棕榈油，研究了乙酸、双氧水、催化剂用量以及反应温度、反应时间对环氧值的影响。

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