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This work shows a new possible pathway in the reaction of zirconium oxide cluster anions with alkane molecules.

该工作揭示了锆氧负离子团簇与烷烃反应中的新通道。

This work shows a newpossible pathway in the reaction of zirconium oxide cluster anions with alkane molecules.

该工作揭示了锆氧负离子团簇与烷烃反应中的新通道。

It is shown that the C-NO2 bond of the alkyl is the weakest bond in these molecules.

结果表明，这类分子中的最弱键是烷基上的C-NO2键。

It is shown that the C-NO2 bond of the alkyl is the weakest bond in the two class molecules.

进一步分析实验撞击感度与分子中最弱键离解能量的关系。

Based on characteristics and connectivity of the groups in molecules,the group contribution method and topological method was combined together,a new method was developed which can be used to calculate the density of alkyne from molecular structure.

根据分子中基团的特性和连接性，将基团贡献法和拓扑方法结合在一起，发展了一种计算炔烃密度的新方法———基团键贡献法，该方法具有基团贡献法适用范围广和拓扑方法计算结果准确可靠的特点。

Allium unique scent derived from a volatile oil, which is known as the amino acid contains a li sulfoxide organic molecules.

答：大蒜具有独特的香味从挥发油，这是已知的氨基酸衍生包含立亚砜的有机分子。

We see the symmetry we have attributed to allylic particles on the basis of the resonance theory; the two ends of each of these molecules are equivalent

我们看到了曾经根据共振论而归因于烯丙基型粒子的对称性，所有这些分子中每个分子的两端都是等性的。

It is calculated according as the quantity of air molecules ionized by the alpha rays decayed by radon and its progeny as the air is inhaled to the ionization chamber by the air pump.

采用的测量原理是通过气泵把空气吸入电离室内，通过测量氡及其子体衰变放出α射线使空气分子电离的量来间接测量空气中的氡浓度。

Intelligent nuclear instrument has been a dominant developing direction of radioactivity measurement instrument. The instrument for radon measurement of air pulse ionization chamber, based on the theory that alpha rays decayed by radon and its progeny can ionize the air molecules, can measure the radon concentration accurately.

智能核仪器已成为放射性测量仪器发展的一个主导方向，利用氡及其子体衰变放出α射线能使空气分子电离的理论设计的空气脉冲电离室α测氡仪可以准确地测量空气中的氡浓度。

Inthe compound, Pr~(3+) cations are eight-coordinated with oxygen atomsfrom six DMSO molecules, two polyanions. The crystal structureindicates that the compound forms a one-dimensional zigzag chain builtfrom the alternating polyanions and cationic units throughW-O_d-Pr-O_d-W links.

结构分析结果表明，化合物中Pr~(3+)离子为八配位，配位氧原子分别来自6个NMP分子和二个杂多阴离子的端氧原子，金属配阳离子与杂多阴离子骨架通过W-O_d-Pr-O_d-W相连。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。