Our results measured by IR spectrum and gas chromatography show that the dissociation rate of hydrogen compound in natural reactant is anbot 10~4 less than deuterium compound.
由红外光谱和气相色谱法测得天然丰度原料的含氢化合物的解离速率较含氚化合物的解离速率小约10~4倍。
Water is a compound containing the elements of hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
Water is a compound containing the elements hydrogen and oxygen.
水是含有氢元素和氧元素的化合物。
Water is a compound because it can be split into its components, hydrogen and oxygen.
水是化合物它可被分解成氢和氧这两种成分。
Water is a compound of hydrogen and oxygen.
水是氢和氧的化合物。
A term used in petroleum technology to describe a method of removing methyl groups (or other alkyl groups) from a hydrocarbon compound and replacing them with hydrogen.
石油技术所用的一个术语，叙述将烃类化合物的甲基(或其他烷基)脱除下来并代之以氢的方法。
Hydrogenation: Chemical reaction between molecular hydrogen (H2) and another element or a compound, usually in the presence of a catalyst.
氢化：通常在有催化剂的情况下，氢分子(H2)与其它元素或化合物之间的化学反应。
Its most familiar compound is hydrogen sulfide, a poisonous gas that smells like rotten eggs. All metals except gold and platinum form sulfides, and many ores are sulfides.
最常见的一种化合物是硫化氢，是一种具有臭鸡蛋气味的极毒气体。除了金和铂以外，所有的金属都能跟硫化合生成硫化物，许多矿物就是这种硫化物。
This is effected by treating the compound with hydrogen at high temperatures and pressures.
这是用氢气在高温高压下处理该化合物的结果。
Hydrocarbon: an organic compound (as acetylene or butane) containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens.
碳氢化合物：一种有机化合物(例如乙炔或丁烷)，只包含碳和氢两种物质，通常出现在石油、天然气、煤炭和沥青中。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid respectively and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
Carbohydrate - Chemical compound of carbon, oxygen and hydrogen, usually with the hydrogen and oxygen in the right proportions to form water.
糖类化学合成碳、氧、氢、通常与氢气和氧气的比例组成的水权。
Salt: Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4).
盐：酸中的氢被金属或相当金属的基团如氨（NH4）取代后所生成的化合物。
The active hydrogen in the compound (6) might take negative effect in some reactions and was substituted by a methyl to get compound (7) which was a new chiral guanidine.
化合物(6)上与氮相连的活泼氢原子，可能对某些反应有不利影响，故用碘甲烷对其进行甲基取代，得到了新的手性胍—化合物(7)，并做了表征。
Urea peroxide is the additive compound of hydrogen peroxide and urea.
过氧化脲是过氧化氢和尿素的加成化合物。
The hydrogen absorbing filling compound can be used to reduce the fiber attenuation caused by hydrogen and protect the optical fiber cable.
使用吸氢填充膏可以防止氢气导致光纤传输损耗增加，对光缆起到长期保护作用。
As electron density from the xenon atoms spreads towards the surrounding hydrogen molecules, it seems to stabilize the compound and the xenon pairs.
随着来自氙原子的电子密度向周围氢分子扩散，化合物和氙电子对似乎趋于稳定。
Dyeing assistant RG, a cationic compound, has at least two reactive groups which are sensitive to active hydrogen.
助染剂RG是一种阳荷性的化合物。它至少含有两个能与活泼氢发生作用的活性基因。
Hydroxide: Any compound with one or more functional groups made up of one atom each of hydrogen and oxygen, Bonded together and acting as the hydroxide anion (OH -).
氢氧化物：包含一个或几个由一个氢原子和一个氧原子组成的官能团的化合物，氢和氧原子键合在一起以氢氧基团或氢氧阴离子(OH-)的形式起作用。
A growing polymer is terminated by the transferred of a hydrogen or other atom or species to it from some compound present in the system-the monomer, initiator, or solvent, as the case may be.
链转移氢、其它原子或反应种转移到反应体系的化合物中(单体、引发剂或溶剂)，从而导致聚合物增长终止，这种情况称为链转移。
The addition of hydrogen to another compound, usually an unsaturated organic compound.
向其他化合物，一般为不饱和有机化合物，加入氢。
Study on effect increased weight by compound nutrition block which composed salt, the urea, the molasses, the calcium hydrogen phosphate and the sodium sulfate.
用膨润土、食盐、尿素、糖蜜、磷酸氢钙和硫酸钠等为主要原料制作成复合营养舔块来研究其对山羊增重效益的影响。
There is a potential weak intermolecular hydrogen bond through C(8)—H(8A)…O(1), which stabilizes the structure of the title compound.
从晶胞堆积图中可看到，通过C（8）—H（8A）…O（1）有一潜在的弱的氢键，使标题化合物的结构更稳定。
The results indicate that the precursor C3N6H6 (H3BO3) 2 is a 3d supramolecular compound which is constructed by different hydrogen-bonding interactions between C3N6H6 and H3BO3 molecules.
结果表明，先驱体C3N6H 6 (H3BO3)2是由C3N6H 6分子和H3BO3分子通过分子间氢键作用形成的三维超分子结构化合物。
From the structure of hydrogen-bond in the compound, this paper discusses the influence of hydrogen-bond on the physical and chemical properties of the compound.
本文从化合物中氢键的结构出发，探讨了氢键形成对化合物的物理性质和化学性质的影响。
Water is a compound of hydrogen and oxygen.
水是由氢和氧化合而成的。
This paper describes hydrogen shield diffusion braze welding technology for precise parts of copper and compound metal.
本文阐述的是，铜及其合金精密零件氢气保护扩散钎接焊工艺问题。
The results show that the title compound is stable; the cis configuration has intramolecular hydrogen bond while trans configuration dose not.
结果表明标题化合物稳定，顺式构型分子内有氢键，反式则没有。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid, respectively, and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
Organo mineral compound fertilizers are digested with sulfuric acid hydrogen peroxide and nitric acid perchloric acid, respectively, and then their total potassium content is determined.
用硫酸—过氧化氢和硝酸—高氯酸分别对有机—无机复混肥料进行消化处理，然后进行总钾含量的测定。
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