查询词典 sulfureted hydrogen

Volta also experimented with finding the best explosive mixture of hydrogen and air, and of hydrogen and oxygen.

伏打也以发现氢加空气和氢加氧的最好易爆发混合作实验。

Oceans on Earth will boil away. The Sun will run out of hydrogen fuel in its core about 5.5 billion years from now and start burning hydrogen in the surrounding layers.

地球上的海洋将会沸腾蒸发。55亿年后，太阳内核的氢燃料将会燃烧殆尽，外层的氢燃料就会开始燃烧。

And no more than about the amount of hydrogen and most preferably at least about 25% less hydrogen.

和没有于有关氢的数量事和最宁可至少大约 25%较少的氢。

The results show the hydrogen bonding is formed between acetone and water molecules and the strength of hydrogen bonging is related to the concentration of acetone.

由此说明丙酮与水分子间形成了氢键，而且氢键的强弱与丙酮水溶液的浓度有关。

The effect of electrolyte concentration and hydrogen pressure on hydrogen electrode process catalyzed by noble metal have been studied.

讨论了电解质浓度和氢气压力对低载量贵金属催化氢电极过程的影响。

Chlorine atoms were selectively introduced into the chlorin ring based on different reactivity between vinyl group at 3-position and 20-meso position by electrophilic addition and electrophilic substitution using hydrogen peroxide/hydrochloric acid, N-chlorosuccinimide, hydrogen chloride (or concentrated hydrochloric acid) as chlorinating reagent.

以过氧化氢/盐酸、N-氯代丁二酰亚胺、氯化氢为氯化剂，根据3-乙烯基和20-meso-位的不同化学反应活性，通过亲电加成和亲电取代反应，在二氢卟吩环上选择性地引进氯原子，完成8种未见报道的具有叶绿素-a基本碳架的氯代二氢卟吩衍生物的合成。

The Clostridium, has been well studies for its ability to form endospores and its potential to generate hydrogen. In this research, we focus on the indigenous Clostridia and physiological characteristics of hydrogen production.

本研究之主要目的是希望能从不同来源样本分离出高效能的产氢菌株，研究高效能产氢菌株的生理特性以作为调控其产氢能力的基础。

The Clostridium, has been well studies for its ability to form endospores and its potential to generate hydrogen. In this research, we focus on the indigenous Clostridia and physiological characteristics of hydrogen production.

中文摘要本研究之主要目的是希望能从不同来源样本分离出高效能的产氢菌株，研究高效能产氢菌株的生理特性以作为调控其产氢能力的基础。

The results were as follows: 1 at normal or high temperature, the selected asphaltene dispersant could reduce the association of asphaltene molecules, 2 hydrogen-transfer of FCC decanted oil and its sub-fractions were evaluated by using anthracene and 9,10-dihydroanthracene as chemical probes, one of sub-fractions could be taken as hydrogen-donor.

本文首先从渣油生焦的关键组分沥青质入手，为热处理降蜡筛选抑制生焦的添加剂，在生焦率低于0.1w%的前提下，提高热裂解降蜡的深度。

Active hydrogen atom and oxygen ion form Hydroperoxy radicals which surround the positively charged biological contaminants, and then react with three hydrogen elements of its protein structure, destroying and detoxicating the biological contaminants nature.

活性氢和氧离子(O2-)形成的氢过氧自由基，会包围着带正电荷的生物污染物，每一枚黏附在污染物表层的氢过氧自由基，会与其蛋白质结构中三个氢元素产生反应，完全破坏其结构，变成无毒状态。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。