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If a water molecule settles down next to an adatom, one of the water's hydrogen atoms can jump to the adatom, making two oxygen-hydrogen pairs complete.

如果一个水分子平息旁边的一个原子,一个水的氢原子可以跳转到的原子,使两个氧氢对完成。

Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.

反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象(本实验所测极值为-407cm〓·mol〓,这使得水解动力学参数对反应压力存在敏感依赖关系。

After absorbs the solar radiating heat, hydrone from sea, rivers,lake, moist soil and other moist surface evaporation to atmosphere in;The growth in the surface plant, proliferates through stem leaf'sevaporating the water to the atmosphere in, plant's this kind ofevaporation usually is called the transpiration.

吸收太阳辐射热后,水分子从海洋、河流、湖泊、潮湿土壤和其他潮湿表面蒸发到大气中去;生长在地表的植物,通过茎叶的蒸发将水扩散到大气中,植物的这种蒸发作用通常又称为蒸腾。

For this reason, theC〓/ donor PET system in aqueous medium will serve as the high efficient modelsystem to simulate the natural photosynthetic system.3 Photolysis and photooxidation of N-phenyl naphthylamines and photoinducedisomerization of alkyl isonitrile Reaction intermediates produced during the photolysis and photooxidation of N-phenyl naphthylamines were determined by spin trapping-ESR technique.

由于包容物导致的空间距离作用和水分子对离子对电荷分离所具有的溶剂化稳定作用,水相体系中C〓阴离子寿命相对于有机均相体系C〓阴离子的寿命成数量级地显著增长。

According to Johnson's Rule and IR spectra, their possible structures are suggested. The bonding parameters of those complexes are calculated by ESR parameters. And the crystal field parameters are calculated by using electronic spectral data. It can be seen that the vanadyl complexes in the solution are ionic complexes and that the α〓 values of those complexes decrease following the increasing of the N donor replacing the O donor of water on the equatorial plane in those complexes. This means that the covalent bonding between vanadium and ligand increases as Ser, Phen or Bipy replace water ligands. The results show the competitive coordinate law that the coordination reactivity of Phen and Bipy is much stronger than that of Ser. The simulation program of ESR is compiled by the theory of ESR in the present work.

测定了VO-丝氨酸二元体系、VO-丝氨酸-邻菲咯啉三元体系和VO-丝氨酸联吡啶三元体系在不同酸度下(pH=1.0~14.0)的乙二醇/水(V/V=1:1)溶液低温ESR谱,发现不同pH下,溶液中具有不同组成的配合物,根据不同pH下ESR谱的变化,利用Johnson的加合规则并结合红外光谱,推测了它们在溶液中的可能结构;利用波谱参数计算了配合物键参数;利用电子光谱数据计算了配合物的晶体场参数,讨沦了它们的成配特性,结果表明:VO配合物属离子型配合物,随取代水分子的配体(Ser、Phen或Bipy)数目增加,键参数减小,配合物共价性增强,同时得出这些体系中,生物配体竞争配位规律:Phen和Bipy与VO的配位能力比Ser强。

A water molecular gel can be formed by the aggregation and self-assembly of gelator 4,4′-bisstearylamide diphenyl ether at very low concentration.

合成了一种新型凝胶因子,能在很低的浓度下使水发生凝胶化,形成水分子凝胶。

As for the drop-shaped pearl is because when the water can not be attached to the lotus leaf surface, due to the role of the surface tension of water molecules to make water droplets unite into a ball.

至于下降形珍珠,是因为当水不能附加到荷叶表面,由于水分子的表面张力的作用,使水滴凝聚成一个球。

Dehydration methods 1. Liquid Desiccants In the liquid state, water molecules are highly associated because of hydrogen bonding.

失水方法 1。液体干燥剂在液体状态,水分子是高度伴生的由于氢接合。

Heating at different temperatures, the quantity of the desorbed water molecules is different, and without complexed water molecules, the cation H〓 can react with o-Ps.

在不同温度烘烤下,脱去其络合水分子的数量是不同的,而脱去络合水的阳离子H〓会与o-Ps发生化学反应。

Hydrogen bond that are the glue holding groups of water molecules together are so plentiful in water that they play a large role in determining its properties.

在水中,存在着大量的将水分子胶粘在一起的氢键,因此氢键在决定水的特性方面发挥了巨大的作用。

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