查询词典 hydrogen fluoride

We synthesized polynitrobenzenes by oxidation of polynitroanilines by peroxysulfuric acid (hydrogen peroxide dissolved in sulfuric acid, it is also known as Caro's acid) several years ago.

我们曾在若干年前用过硫酸(过氧化氢溶于硫酸中，亦称卡洛氏酸)氧化多硝基苯胺而合成了多硝基苯类(硝基数3至6)。

Even if will be these year hydrogen abundant young people will also have the fall in the blues, is frustrated will be worried, but they like with a word being broad, that will be 'is tired '!

即使是那些年轻气盛的年轻人也会有情绪低落，失意烦闷的时候，但他们喜欢用一个词概括，那就是'累'！

We will consider this Zeeman effect for the hydrogen atom .

我们将对氢原子考虑此塞曼效应。

"On Earth, microorganisms thrive about 1.2 to 1.9 miles beneath the Witwatersrand basin of South Africa, where natural radioactivity splits water molecules into molecular hydrogen and oxygen," Mumma said.

&在地球上，活跃在南非Witwatersrand盆地下面1.2到1.9英里的微生物将水分子分解成氢和氧，&MUMMA说。

The most interesting possibility is that Mars harbours "deep bio-communities" that use hydrogen as an energy source and emit methane, similar to those found 2-3km below ground in the Witwatersrand basin of South Africa.

最有趣的可能也许是火星的海湾下存在&深海生物群&，这些生物利用氢作为能量源，并释放出甲烷，就像在南非威特沃特斯兰德盆地地下2-3千米处发现的生物一样。

The most interesting possibility is that Mars harbours "deep bio-communities" that use hydrogen as an energy source and emit methane, similar to those found 2-3km below ground in the Witwatersrand basin of South Africa.

最有趣的一种可能性是，火星上栖息着&深层生物群&，它们以氢为能量来源，释放出甲烷，就像南非威特沃特斯兰德盆地2000至3000千米地下发现的生物。

The new approach devised by the Weizmann team has three important steps that end in liberation of hydrogen and oxygen with the help of a special metal complex.

新的方法设计的魏茨曼队有三个重要步骤，目的解放氢气和氧气的帮助下，一个特殊金属络合物。

VOICE: Not the hydrogen, methane and ammonia that Miller and Urey assumed.

不是米勒和萼瑞所假设的氢气、甲烷和氨。

Firstly, there exists complex compounds based on hydrogen bond in DMSO aqueous solution.

并用CCl_4变换浓度的方法，验证了DMSO与水混合时产生的氢键络合物对S=O双键光谱的影响。

Using Derwent Innovation Index, this article analyzes the patents in 3 key bioenergy technical areas: biological hydrogen, bioethanol and biodiesel, during 1996~2006, from the following aspects: temporal and spatial distributions, patents citations, major fields, influential patent assignees, to reflect the trend and development of key bioenergy techniques.

研究内容包括：专利申请的时间分布和空间分布，被引专利情况，主要技术领域，以及重要专利权人及其相关信息，从专利分析的角度揭示近年来这三种生物能源技术的研发状况。

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