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In just billions billionths of a second, the temprature on temperatures and pressures experience experienced by this pellet would will be so great that its components were fused will fuse , releasing huge amounts of energy, at least that's the theory.

理论上,在短短十亿分之一秒里,分子将释放巨大的温度和压力,分子结构溶解,同时释放出巨大的能量。

The hydroxyl oxygen atoms O(5) and O(6) with O(3) and O(4) of adjacent unit form the intermolecular hydrogen bondings.

分子中的酚羟基氧原子 O(5 )和 O(6 )均与另一个不对称单位的羰基氧原子 O(3 )和 O(4)形成了分子间键,这表明分子在晶胞内堆积时,除了范德华力以外还靠键来维系。

Three dimensional hydrogen bonding in hard segment domains can be formed by further bonding of the above planar hydrogen bondings.

认为这些平面键可以通过进一步键合来形成硬段微区中的三维键。

Consequently we found two principal results in this investigation.(1) The crystal structures of molecular crystals formed from different chlorobenzoic acids and three kinds of organic bases showed that in addition to common hydrogen bondings, the weaker intermolecular interactions such as the C-H…O hydrogen bonding, the π-π stacking and electrostatic interaction play an important role in determining the packing modes of each molecular crystal.

在对双分子晶体结构的研究过程中,我们发现存在以下两条规律:(1)不同的氯苯甲酸与三种有机碱形成的双分子晶体的结构显示,除了常见的键作用外,弱的分子间相互作用,例如C-H…O类型的键、π—π相互作用、静电相互作用等对于不同分子堆积模式的形成也起到了很重要的作用。

A chiral phase transfer catalyst, N-benzyl quinine bromide, was synthesized from natural chiral compound. And 2,5-bimethyl-4-(3-nitrobenzene)-1,4-bihydrogenation pyridine-3--4-methyl formate (viz. nitrendipine) was synthesized by this chiral phase transfer catalysis, and characterized by elemental analysis, infrared spectrum,1H nuclear magnetic resornace, and X-ray single-crystal diffraction.Key words: ammonium; chiral phase transfer catalyser; crystal structure

通过对天然手性物质进行修饰合成手性相转移催化剂N-苄基溴化奎宁,并对目标分子2,5-二甲基-4-(3-硝基苯)-1,4-二吡啶-3-甲酸乙酯-5-甲酸甲酯进行不对称催化合成,并通过红外光谱和核磁共振谱对化合物进行了表征,用X射线单晶衍射法测定了该化合物的晶体结构。

However, the desorbing plateau pressure of the alloys increased and the desorption capacity increased apparently with increasing Cr content.

而随着金属元素Cr含量的增加,合金的放平台压力升高,放量则明显提高。

The desorbing plateau pressure of the alloys decreased slightly and the capacity of absorption and desorption increased slightly with increasing V content.

而随着金属元素Cr含量的增加,合金的放平台压力升高,放量则明显提高。

It is found that the microstructure of alloy is consisted of two phases, a main phase of V based solid solution phase, and the second phase of Laves phase. The alloy has remarkable hydrogen storage properties at room temperature and 353 K, the maximum hydrogen desorbing capacities are 3.11 wt% and 2.31 wt%, respectively.

研究发现:该合金为两相结构,主相为V基固溶体,第二相为Laves相;在室温和353 K时合金的放PCT曲线上有明显的压力平台,最大放量分别为3.11%和2.31%。

Through heating zirconium hydride, high purityC02 and red phosphorous, the gas adsorbs, desorbs, scatters and finally forms the compact film on the surface of zirconium hydride.

研究了通过加热化锆、高纯二氧化碳和磷,在设定的工艺参数下,通过反应气体在化锆表面吸附、离解,然后通过元素扩散和反应生成致密的膜层。

The C2 to C5 and heavier acetylenes and dienes in a thermally cracked feed stream are hydrogenated without significantly hydrogenating the C2 and C3 olefins.

使经过热裂解的进料物流中的C2-C5及更重的炔烃和二烯烃加,而不使C2和C3烯烃发生显著的加

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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