查询词典 hydrogen fluoride

A pint-size experimental equipment concerning the zero boil-off technology of liquid hydrogen was installed and operated.

基于课题第一阶段研究所建立的关于试验系统的氢工质数学模型，参照实际运行条件进行了数值仿真并与实际运行结果进行了对比。

It can also combine with hydrogen to form hydrocarbons, which are what we call fossil fuels.

它也可以与氢结合起来，形成碳氢化合物，这是我们所谓的矿物燃料。

When the heterogeneous catalyst is used in the asymmetric catalytic hydrogenation reaction of ethyl pyruvate under the room temperature and the medium hydrogen pressure, high activity and optical selectivity more than 70 percent are obtained in acetic acid solution, and the heterogeneous catalyst can be repeatedly used for more than 15 times.

本发明提供的催化剂在室温、中等氢压力下用于丙酮酸乙酯的不对称催化氢化反应时在乙酸溶剂中可得到高活性和超过70％的光学选择性，且可以重复使用15次以上。

This product is at the micro-organisms are dormant, to preserve the stability of easily put into the water body, the dormant viable recovery and will soon collapse and the multiplier into a dominant population reproduction, the rapid decomposition of organic pollutants in water, the elimination of amino nitrogen in the water , nitroso nitrogen, hydrogen sulfide and other harmful substances, and single-cell algae into the source of nutrition, the promotion of diatoms, green algae, such as good growth, inhibit the propagation of harmful algae, play a role in the rapid fertilizer, at the same time can increase the dissolved oxygen water, purification at the end of quality, improve water quality.

本品微生物均处于休眠状态，稳定而易保存，投放到水体后，休眠活菌能很快复苏和崩解，并以倍数繁殖成优势种群，迅速分解水体中的有机污染物，消除水中氨基氮、亚硝基氮、硫化氢等有害物质，并将其转化为单细胞藻类的营养源，促进硅藻、绿藻等优良藻类的生长，抑制有害藻类的繁殖，起到迅速肥水的作用，同时能增加水体溶氧，净化底质，改善水质。

It's a terrific crash, ladies and gentlemen, the smoke and it's flames now and the frame is crashing to the ground, not quite to the mooring mast, all the humanity, and all the passengers The disaster kills 35 people aboard the hydrogen-fueled airship and a navy crewman on the ground.

女士们先生们，烟尘现在成了烈火。整个框架撞向地面，不仅是停机系留装置，还包括所有的人，所有的乘客。这次灾难致死氢气飞船上35名乘客和地上一名海军船员。

A new catalyst Ni K/NaX for the synthesis of methyl isobutyl ketone from acetone and hydrogen in one step at atmospheric pressure has been prepared.

利用化学浸渍法制备了系列Ni－ K／NaX复合型催化剂，用于常压下催化丙酮一步法合成甲基异丁基酮，考察了催化剂组成及反应条件对反应性能的影响。

As raw chemical materials, produce acetone, hydrogen peroxide, methyl isobutyl ketone, isobutyl ketone, 2-Propanol, diisopropyl ether and isopropyl alcohol ether, isopropyl chloride, isopropyl and fatty acids and fatty acid chloride as isopropyl.

作为化工原料，可生产丙酮、过氧化氢、甲基异丁基酮、二异丁基酮、异丙胺、异丙醚、异丙醇醚、异丙基氯化物，以及脂肪酸异丙酯和氯代脂肪酸异丙酯等。

China would win. Wellwe could just use hydrogen cells. Anyway, the thing about the chineseis that they're group oriented so all you have to do is sit a machinegun in ont of their military base and shoot them all when they run out.I saw it in a WWII movie. That's why we won WWII so easy.

还有中国人是以集体思想为中心的，所以我们只需要在他们的军事基地外面架挺机枪，等他们跑出来以后把他们全射死，我看的一部二战电影就是这样的，这就是我们为什么那么轻松的就赢了二战。

It is also found that hydrogen bonds among polyurethane macromolecules were broken down during drawing process.

同时发现，在拉伸过程中，聚氨酯大分子中的氢键受到破坏。

PRNewswire-FirstCall/-- Nanologix, Inc.,, a nano-biotechnology company engaged in the research, development and commercialization of technologies for alternative sources of fuel, today announced that its team of microbiologists have recently discovered a reliable and simple way to produce hydrogen gas that can be used to power cars, homes and businesses without polluting the environment.

Nanologix公司是一个从事替代性燃料开发与商业化运作的纳米生物技术公司，最近他们发表声明，他们的微生物学家发现了一个可靠并简单的途径来生产氢气，氢气可以用于汽车驱动、家庭和商业供电，而不会污染环境。

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