一分子的

The chapter four proposes a new method to locate graph center and also a novel centric index.

第四章提出了确定分子中心的一种新的方法以及一个新的分子中心指数。

A universal analytic potential energy function is derived using the cosine function with a phase factor,which is suitable to be applied to the interactions between two atoms in a molecule or molecule and ion.5 kinds of common potential curves are obtained by adjusting phase factors.

利用一种带相位因子的余弦函数，导出了适用于双原子分子或分子离子间相互作用的普适性解析势能函数，通过调节相位因子可获得5种常见形态的势能曲线。

Second, guanidine chloride is another important denaturant used commonly for protein unfolding. It is believed that guanidine chloride and urea have a similar mechanism of action.

其次，盐酸胍是常用于使蛋白质变性的另一种重要变性剂，盐酸胍分子与蛋白质分子相互作用的机理和尿素的情形具有相似性。

Such a phenomenon suggests that the outline of the hyperbranched polymers formed in the polycondensation of ABg type monomers is almost independent of the g at any specified conversion, since that the radius of gyration is decided by the shape and distribution.

这一现象表明在任何指定的A转化率，ABg型缩聚中形成的超支化聚合物的分子轮廓与g无关，随着2增大而在超支化聚合物中增加的结构单元（或聚合度1必定分布在分子内部。

The hypochlorous acid and hypobromous acid contained in this bactericide bear extremely strong membrane diffusing-penetrating ability for the absence of charge so as to kill pathogens rapidly.

"甲基利"高效植物病害杀菌剂是一种高效广谱、内吸、治疗型杀菌剂、所含的次氯酸分子和次溴酸分子不带电荷，有极强的扩散穿透细胞膜能力，可迅速将病原体杀死，适用于作物各个生长期，特别对各种真菌性、细菌性和病毒性的疑难病害有独特的铲除效果。

Bioinformatics represents a new, growing area of science that uses mathematics, informatics and computational approaches to answer biological questions. Recently years bioinformatics develops greatly with the molecule sequences data's rapidly increasing, and the genome sequence analysis mainly involving gene prediction and molecule evolution, becomes its primary research field.

生物信息学是运用数学、信息学、计算机科学等来阐明生物学意义的一门新兴交叉科学，近年来随着分子数据的快速增加而获得极大发展，其中包括基因预测和分子进化研究等内容的基因组序列分析是生物信息学的主要研究领域。

There is little difference between the molecular phylogenetic tree based on mtDNA cox3 sequence and the species phylogenetic tree. But the results of Locusta nugratoria and Apis mellifera iigustica in molecular phylogenetic tree are different from those in species phylogenetic tree.

基于mtDNA COX3序列数据构建的分子系统进化树基本上可反映一组物种的亲缘关系，但东亚飞蝗和蜜蜂在分子系统树中与形态系统中的结果明显不同，可能与生态环境及繁殖方式有关。

Among the variety of biomimetic recognition systems based on supramolecular approaches, molecularly imprinted polymers have proved potential as synthetic receptors and received more and more attention.

在各种基于超分子方法的仿生识别体系中，分子印迹聚合物已经证明是一种有潜力的合成受体，受到了广泛的关注。

Protein protein interactions play vital roles in numerous biological processes. These interactions often result in formation of insoluble and noncrystalline protein assemblies.

在这个研究中，杨俊和特拉华大学的同事Tatyana Polenova设计了一组新脉冲序列，他们用这组脉冲序列研究了用不同同位素标记的thioredoxin蛋白质组装体的分子内和分子间的界面。

If we allow these 10105 molecules to randomly permutate, the rate of permutation is ten thousand (104) times per second. If the age of the universe was thirty billion years (1018 seconds), then from the beginning of the universe until now, the total permutations were 10127 times (10105x1018x104), which is not even enough time to develop one correct nucleotide sequence for one molecule of DNA.

如果让这10105个分子随机组合，令组合的速率为每秒一万次（104），假设宇宙的年龄为三百亿年（1018秒），那么，从宇宙形成到现在，一共可以产生的组合方式是10127次（10105x1018x104），还不足以产生一个有正确核亘酸排列组合序列的DNA分子2！

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。