查询词典 hydrogen

This energy is librated at the center of the Sun as billions upon billions of nuclei of hydrogen atoms collide with each other and fuse together to form nuclei of helium, and in doing so, release some of the

语言知识应该了解，但不下苦功在听、说、读、写上练习，仅靠死记硬背一些孤立的单词、一些语法条条，是很难掌握英语这一交际工具的。

This energy is librated at the center of the Sun as billions upon billions of nuclei of hydrogen atoms collide with each other and fuse together to form nuclei of helium, and in doing so, release some of the energy that is stored in the nuclei of atoms.

数 十亿计的氢原子核在太阳的核心碰撞并且聚变生成氦。在此过程中一部分原本储存于原子核中的能量被释放出来。

This energy is librated at the center of the Sun as billions upon billions of nuclei of hydrogen atoms collide with each other and fuse together to form nuclei of helium, and in doing so, release some of the energy that is stored in the nuclei of atoms.

十亿计的氢原子核在太阳的核心数碰撞并且聚变生成氦。在此过程中一部分原本储存于原子核中的能量被释放出来。

This energy is librated at the center of the Sun as billions upon billions of nuclei of hydrogen atoms collide with each other and fuse together to form nuclei of helium, and in doing so, release some of the energy that is stored in the nuclei of atoms.

超过无数百亿的氢原子相互碰撞又聚合形成了氦，在这个过程中，释放出一些能量，这时，太阳中心保持能量平衡。

In addition to the two axial ligations provided by His18 and Met80, the hydrogen bond and hydrophobic interactions between the heme and the protein polypeptide, the heme also covalently linked to the protein matrix through two thioether bonds which are formed between vinyl groups of the heme and cysteine residues of a classic Cys-Xaa-Xaa-Cys-His heme-binding motif of the polypeptide chain.

Cyt c是血红素蛋白中电子传递蛋白的典型代表，其辅基heme与蛋白肽链的结合除了来自heme轴向配体组氨酸(His18)和甲硫氨酸(Met80)的配位作用、氢键和疏水相互作用等非共价键作用方式外，血红辅基heme的两个乙烯基还与蛋白肽链上的结构片段域Cys-Xaa-Xaa-Cys-His中的两个半胱氨酸形成硫醚键以共价键方式相结合。

That can reduce a small amount of hydrogen peroxide hair, but only slightly - usually in less than six months level. Again, if you have dark hair and dreams of light lock, Demi non-permanent color is not for you.

你可能会问，如果你是过敏，某些药物和皮肤条件下，有可能导致未来的问题，如不愈合的伤口，由於受伤和积极的皮肤感染。

objective: to prepare the molecularly imprinted composite membranes with propofol as template.methods: with the ultraviolet light and initiator, template molecular propofol, functional monomer methacrylate and crosslinking agent ethylenegly-coldimethacrylate formed molecularly imprinted composite membrane through polymerization on the surface of polyvinyli-dene fluoride microporous membrane.inspection of the combination of template molecule and functional monomer, characterization of the membrane surface morphology with scanning electron microscopy.results: the morphology of composite membranes was well.propofol bonded to methylacrylic acid with hydrogen bond.conclusion: the method of ultraviolet light-struck is feasible for preparation of molecularly imprinted composite membranes with propofol as template.

目的：制备异丙酚分子印迹复合膜。方法：在紫外光照和引发剂的作用下，模板分子异丙酚、功能单体甲基丙烯酸和交联剂乙二醇二甲基丙烯酸酯在聚偏氟乙烯微孔滤膜表面聚合形成分子印迹复合膜，考察模板分子和功能单体的结合特性，用扫描电镜表征膜的表面形态。结果：复合膜形态良好，异丙酚和甲基丙烯酸以氢键的方式缔合。结论：用紫外光照射法可以制得异丙酚分子印迹复合膜。

The net cement with bentonite can form hydrogen key which can improve the felt of the systematic and are wail for eventual strength; The main mechanism of J-85 accelerator to accelerate concrete coagulating are in alkalescence condition to make aluminate and gypsum link and block the building of calcium and aluminium sulphate around cement granule; Polypropylene acid can improve early strength of cement through altering the thickness of hydroxide in cement grout.

添加膨润土后的水泥净浆中形成了氢键，提高了体系的粘结性，对后期强度发展有利； J-85速凝剂加速混凝土凝结的主要机理就是在碱性条件下，使铝酸盐和石膏结合，阻碍水泥颗粒周围的硫铝酸钙即钙钒石的生成，从而使水泥迅速凝结；聚丙烯酸通过改变水泥浆体中羟基的浓度从而提高水泥试块初期强度。

In order to achieve the transfer of hydrogen from the biomass to the coal and improve the quality of the liquid derived from coal pyrolysis, based on the current research fruits, the new pyrolysis way that use two-step pyrolysis of biomass and coal is brought forward.

本文作者结合现阶段的研究成果，提出生物质与煤采用两步法热解工艺的思路，使生物质材料的氢有可能转移到热解煤的产物中，以改善煤热解过程中液体的性质，对今后生物质与煤及聚合物共热解的研究方向提出了自己的建议。

In the condition of solvent and catalyzer by Autoclave, the Hydro-liquefaction experimentation indicates that the hydrogen consumption is 5%, conversion rate is about 90%, the rate of liquid of coal is about 55%, showing that low rank coal of the west China is important liquefaction resources.

通过高压釜在溶剂和催化剂条件下的加氢液化试验可知，在氢耗量5%左右时，煤的液化转化率达90%以上，油产率达55%以上，这表明我国西部低煤级煤可作为重要的液化用煤资源。

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