查询词典 hydrogen

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。

There are, however, a few drawbacks to hydrogen fuel cell vehicles.

有，但是，有少数的弊端，以氢燃料电池的车辆。

Hydrogen energy and fuel cell development are closely related to the control of CO2 emissions.

氢能和燃料电池的发展是与控制二氧化碳排放紧密相关的。

In this paper, a fuel cell hydrogen supplying system is studied and its mathematic model is introduced.

研究了燃料电池氢气供应系统，建立了氢气供应系统数学模型。

But not everyone sees the hydrogen fuel cell bus as the hope of the future.

但不是每个人都将氢动力燃料巴士看成是未来的希望。

Group A = atmospheres containing acetylene; Group B = atmospheres containing hydrogen; Group C = atmosphere containing ethyl-ether vapors, ethylene, or cyclopropane; Group D = atmospheres containing gasoline, hexane, naphtha, benzene, butane, propane, alcohol, acetone, benzol, lacquer, solvent vapors or natural gas.

组A =大气中含有乙炔；组B =大气中含有氢；组C =大气中含有乙醚蒸汽，乙烯，或环丙烷；组D =大气中含有汽油，乙烷，石脑油，苯，丁烷，丙烷，酒精，丙酮，不纯苯，漆，溶剂蒸汽，或天然气。

The critical hydrogen concentration and pressure as well as the fracture failure time by the HB were predicted.

预测了产生鼓泡的临界质量摩尔浓度、压力以及产生断裂失效的时间。

In the next decade and more, he participated in a series of international nongovernmental conferences including the World Conferences Against Atomic and Hydrogen Bombs in Japan, conferences related to the World Council of Peace and the Afro-Asian Solidarity Committee, as well as international meetings held in Korea and Vietnam.

此后10几年，他出席了一系列国际民间会议，包括多次在日本举行的禁止原子弹氢弹世界大会，世界和平理事会和亚非团结委员会有关的会议以及朝鲜、越南等国举行的会议。

Listening to the crack of doom on the hydrogen jukebox

下午马尿啤酒，倾听命运在氢气点唱机上吱呀作响

A closed chain of 6 carbon atoms with hydrogen atoms attached.

带有氢原子的个碳原子形成的一个闭链。

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