涉及...

As an important algebraic subject, rings are the base on Algebraic Geometry and Algebraic Number Theory.

环作为一门重要的代数学科是代数几何和代数数论的基础，有许多其它相关学科领域都涉及到环。

What s more, we wonder whether there are some qualities about algebroid function corresponding to meromorphic func-tion,specially, concerning deficiency, characteristic function,differential polynomial and so on.

而且一些亚纯函数中存在的性质在代数体函数中是否相应存在仍有待研究，特别是涉及亏量、特征函数及微分多项式等方面。

The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from an anion selected from 1,2,3- or 1,2,4-triazole, a substituted species of 1,2,3- or 1,2,4-triazole and carbocyclically and/or heterocyclically annellated species of 1,2,3- or 1,2,4-triazole and the cation selected from an alkali metal, alkaline-earth metal and/or monovalent ammonium cation and/or phosphonium cation of formula (5), wherein the E, R1, R2, R3, R4 are as defined in the descriotion.

本发明涉及一种制备低聚异氰酸酯的方法，包括二异氰酸酯在催化剂的存在下进行反应，其中所述催化剂由盐化合物组成，该盐化合物由选自1，2，3-或1，2，4-三唑、1，2，3-或1，2，4-三唑的取代系列者、1，2，4-三唑的碳环稠合系列者、1，2，3-或1，2，4-三唑的杂环稠合系列者的化合物及其混合物的阴离子和选自碱金属、碱土金属和/或通式(5)的一价铵阳离子和/或磷友衾胱拥难衾胱又票福其中E、R 1 、R 2 、R 3 和R 4 如说明书中所定义。

The raw materials used by the method are green chemicals dimethyl carbonate and p-nitrophenol, and the catalyst is NaY molecular sieve, activated aluminum oxide or activated carbon which is impregnated by alkali metals or alkaline-earth metal compounds.

本发明涉及到一种合成对硝基苯甲醚的方法，该方法所用的原料为绿色化学品碳酸二甲酯和对硝基苯酚，催化剂是经碱金属或碱土金属化合物浸渍过的NaY分子筛、活性氧化铝或活性碳。

The environment of Salinization and alkalinization includes two stresses – salt stress and alkali stress in fact for plant.

因此，对于植物来说，盐碱生境实际上涉及到两种胁迫即盐胁迫和碱胁迫。

The invention relates to a method for the extraction of keratin from dead animal skins, characterised in the treatment of dead animal skins with a substance of general formula, or at least one corresponding alkali metal, earth alkali metal, ammonium, or phosphonium salt, the variables having the following definitions: R, R = together or independently, H, C6-C14 aryl, C1-C12 alkyl, unsubstituted or substituted with one or several SH or OH groups, R, R = together or independently, H, C6-C14 aryl, C1-C12 alkyl, unsubstituted or substituted with one or several SH or OH groups, whereby at least one of R or R is not H, or R and R are not H and two vicinal groups of R to R together may be C3-C10 alkylene, R = H, C1-C12 alkyl, H-C=O or C1-C4-Alkyl-C=O, X, X, X and X = OH, SH or NHR, whereby where Rto R contains at least one sulphur atom, at least one of X to X = SH and where R to R contains no sulphur atom, at least two of X to X= SH.

本发明涉及一种从死亡动物原皮中除去角质的方法，其特征在于用通式I的物质或至少一种对应的碱金属盐、碱土金属盐、铵盐或∴盐处理死亡动物原皮，式I中各变量定义如下：R 1 和R 4 相同或不同且选自氢、C 6 -C 14 芳基和C 1 -C 12 烷基，其未被取代或被一个或多个SH或OH基团取代；R 2 和R 3 相同或不同且选自氢、C 6 -C 14 芳基和C 1 -C 12 烷基，其未被取代或被一个或多个SH或OH基团取代，其中至少一个基团R 2 或R 3 不为氢，或R 1 和R 4 不为氢，且两个相邻基团R 1 -R 4 可以一起为C 3 -C 10 亚烷基；R 5 选自氢、C 1 -C 12 烷基、H-C＝O或C 1 -C 4 烷基-C＝O；X 1 、X 2 、X 3 和X 4 选自OH、SH和NHR 5 ，其中若R 1 -R 4 含有至少一个硫原子，则至少一个基团X 1 -X 4 为SH，以及若R 1 -R 4 不含硫原子，则至少两个基团X 1 -X 4 为SH。

We must have a clear idea of all the problems involved.

我们必须对一切涉及到的问题有一个清楚的概念。

When it comes to all the rage extreme sports in our time, it has to be BMX games.

当涉及到所有的愤怒极限运动，在我们这个时代，它必须是小轮车比赛。

I the work involves now to and the social people from all walks of life's cooperation.

我现在的工作涉及到与社会各界人士的合作。

While doing the RFLP tagging of giant embryogene,the genome changebetween mutants and its original parent,the relationship between RFLP andheteroses in indica,japonica and intermediate rice,the performance of multipleand null allelism in rice varieties,the utilization of null allelic RFLP probes inidentifying indica and japonica rice specifically,the distribution of the nullallelic RFLP probe RG684 in rice cultivars,and the segregations of RFLPmakers in indica/japonica F2 population were also studied.

本实验从经典遗传、分子遗传、育种潜力评估、育种新品系选育等领域，对巨大胚、甜胚乳、暗胚乳三种新型突变体进行了全面系统研究。在对巨大胚进行分子定位过程中，对涉及到的突变体与原始亲本基因组变化，籼、粳、中间型材料的RFLP多态性与杂种优势之间关系，水稻品种的复等位、零等位表现，鉴定籼、粳特异性的零等位RFLP标记，零等位标记RG684在稻种中分布，RFLP标记在籼粳交F2群体中分离等遗传现象也一并进行了分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。