查询词典 molecular

The results showed that: low molecular weight aromatic, such as naphthalene, fluorene, acenaphthene, locates at low levels, while the high molecular weight aromatic locates at high levels, such as benzo perylene, indene [1,2,3-cd] pyrene, benzo fluoranthene and benzo pyrene, of which , the concentration of fluoranthene is highest, reaching about 19%.

结果表明：萘、芴、苊等低分子量芳烃的含量相对较低；苯并苝、茚并[1，2，3-cd]芘、苯并荧蒽、苯并芘等高分子量芳烃的含量相对较高；含量最高的单体为荧蒽，占待检的16种PAHs的19%以上。

At present, the understanding of ecology of acidophilic microorganisms is mainly based on the traditional pure culture and isolation techniques. However, the development of molecular biology provides more scientific methods. The combination of pure culture and isolation techniques with molecular biotechnology will provide more effective methods in this field.

目前对嗜酸微生物生态学的理解主要基于传统的纯菌培养分离技术，但是分子生物学技术的发展提供了更科学的研究手段，将纯菌培养分离技术和分子生物学技术相结合是研究嗜酸微生物生态的有效方法。

The total molecular optical rotatory power depends on the algebraic sum of rotations of all helices existed in the molecular structure .

化合物的总旋光方向是由分子结构中所有螺旋旋光度的代数和所决定。

Using the combination of energies of the molecular Force Field and atom-bond Electronegalitivity equalization method, the expression of alkane molecular energy has been proposed.

将分子力场中的能量项加入到原子－键电负性均衡方法的能量表达式中，获得了计算烷烃分子能量的方法。

Resistant accessions, genetic basis, biochemical research and molecular marker are summarized in this article. We also discussed how to apply allelism test which using hybridize and molecular marker in different resistance materials in order to make a good use of resistant resources and provide useful information in the further research of the multiresistant mungbean breeding.

本文就绿豆抗豆象基因资源的发掘与利用及抗豆象特性的遗传机理与分离规律进行了总结与分析，对抗豆象的生化基础研究和分子标记进行了综述，探讨了抗豆象育种的重要性及尚需解决的问题，提出进行不同抗源的基因等位性鉴定、高效地利用抗源、培育多价抗豆象绿豆品种的重要性。

Polycarbosilane lower the electronic structure and properties of PCS is a kind of high-molecular compound, the main chain by alternating silicon and carbon atoms of the silicon and carbon atoms are connected to hydrogen or organic group, molecular chains of linear or branch structure.

低聚碳硅烷的电子结构及其性质的研究聚碳硅烷是一类高分子化合物，其主链由硅和碳原子交替组成，硅和碳原子上连接有氢或有机基团，分子链为线形或枝化结构。

To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.

为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征，本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构，并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。

The angle of every diffraction line of ZSM-5 molecular sieve determinedby X-raydiffraction, we obtained accurate lattice constant by using the least square method, and SiO_2/Al_2O_3 ratio of ZSM-5 molecular sieve according to empirical formula of lattice constant connectedwith SiO_2/Al_2O_3 ratio .

用x射线衍射最小二乘法测定ZSM－5分子筛的晶胞参数，经ZSM－5分子筛硅铝比与晶胞参数关联的经验公式，得到ZSM－5分子筛的硅铝比。

It includes new chapters on extra chromosomal inheritance and the mode of reproduction particularly apomixis in plants as well as new sections on the molecular basis of heredity, genomic in situ hybridization, and the classical and molecular method of genome analysis.

天气包括关於染色体继承和再生的模式apomixis在植物以及新部分的特别是关於遗传的分子基础的特别的新章，在原处的genomic是杂交和基因分析的古典和分子方法

The active components in B.megaterium culture supernatant had molecular weight of 30～50 KDa and above 100 KDa,and the former was a kind of protein with an apparent molecular weight of about 35 KDa,which consisted of one sort of subunit and contained Fe and Zn elements.

其中30～50KDa范围的大菌胞外液中的活性组分为一种蛋白质，其表观分子量约为35KDa，由一种亚基构成，且该蛋白含金属铁和锌元素。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。