磷

In this paper, chiral molybdenum or tungsten 2'-pyridinyl alcoholate complex catalyzed asymmetric epoxidation of cis-1-propenylphosphonic acid in H2O was reported.

目前磷霉素的生产是通过以Na2WO4为催化剂、在乙醇中以30%的H2O2将顺丙烯膦酸环氧化得到消旋产物，再利用α-苯乙胺进行拆分而得到[2，3]。

To align to the right you need to set the text as a paragraph unto itself by using the tag and adding an attribute to it.

把你的需要设定权案本身用了一段〔磷〕标签和属性添加了它。

In acid and alkali soil, there are mainly indissoluble bivalent or trivalent phosphates, which cannot be utilized by plants.

在酸碱性土壤中，磷主要以植物难以吸收利用的难溶性二价或三价阳离子的形式存在。

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。

Whereas its mechanism of effect was diverse, but they all attach the aim which alleviative the salt damage, this illuminate that the direct mechanism of improving the salt tolerance through exogenous substance is not only.

盐胁迫下外源钙、磷、钾、硅和NO的这些效果是改善玉米幼苗离子吸收与分配、促进生长发育的综合结果，尽管其作用的途径和机理各不相同，但都达到了对盐害缓解的目的，这说明通过外源物质提高植物耐盐性的直接机理不是唯一的。

White phosphorus is a common allotrope of the chemical element phosphorus which has found extensive military application as an incendiary agent, smoke-screening agent, and as an antipersonnel flame compound capable of causing serious burns.

白磷属于磷元素的一种同素异形体，这种化学物质被广泛应用于军事燃烧弹，烟幕弹的制作中，其杀伤性燃烧混合物可以造成严重的烧伤。

According to data based on inspection research which was carried out from 2003 to 2005,in the area of sea estuary (ZhangJiang Estuary,DongXi Estuary) and the alongshore sea area,we have done a series of analysis and research on the impacts of the effluents from the coastline estuary to the water eutrophication of the alongshore sea area.

根据2003～2005年对福建省漳州市入海河口和近岸海域的监测调查资料，分析研究了入海河口污染物输入对近岸海域水体富营养化的影响，结果表明：河流陆源的有机、氮、磷污染物入海通量越大，所对应的近岸海域海水水质越差，富营养化趋势越明显

Serum Ca, P, ALP and connective peptide in type 2 diabetes mellitus patients were measured.

测定2型糖尿病患者的血钙、磷、碱性磷酸酶及C肽水平。

With aluminum treatment, aluminum absorption of wheat seedling increased swiftly, the contents of calcium and phosphorus decreased, the efflux of potassium reduced, and Scout 66 (Al-sensitive) had a distinct change than Altas (Al-tolerant).

铝处理后，小麦幼苗铝吸收迅速增加、钙和磷含量下降、钾外流受抑制，铝敏感品种Scout 66比耐铝品种Altas 66明显。

The invention possesses rapid melting speed with stable deteriorating effect without phosphor, which is new typed industrial crystal aluminum-silicon alloy alterant.

该中间合金在使用过程中无污染，不含磷，熔化速度快，变质效果稳定、长效，制备工艺简单，成本低，是一种新型的工业近共晶铝硅合金变质剂。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐