查询词典 composition

Studies on biquaternary ammonium salt algaecide for removing red tide;2. Its main composition is biquaternary ammonium salt .

为了解决循环冷却水中的微生物问题，克服目前常规使用的季铵盐杀菌剂的不足，研究开发了一种新型非氧化性杀菌剂TS-838，其主要成分为双季铵盐。

In addition, access control policies of aggregated resources can be formulated as expressions of the algebra. Several algebraic properties of policy expressions are discussed. It shows that the algebraic properties of policy expressions can be used to verify whether policy composition results meet the protection needs of each party.

用代数表达式形式化地描述聚合资源的访问控制策略，讨论了策略表达式的若干代数性质，说明可借助策略表达式的代数性质去验证策略合成结果是否符合各方对聚合资源的保护性需求。

Simultaneously,alginate composition showed be determined and preparation of its special samples be studied.

并对海藻酸钠的结构组成和特种海藻酸钠品种的制备进行了探讨。

The composition of the system,injection and ignition signal generation and measurement of control map characteristics,as well as the control algorism of gasoline injection quantity and ignition advance angle were discussed in detail.

重点论述了该控制系统的构成、点火及喷油控制信号的生成方法，控制脉谱的制取过程以及喷油量、点火提前角的控制策略。

This is the central principal behind algorithmic composition.

这是算法音乐的核心原则。

A photoresist composition including a polymer is disclosed, wherein the polymer includes at least one monomer having the formula: wherein, R1 is selected from H, linear, branched or circular alkyl with 1-20 carton atoms, linear, branched or circular alkyl with 1-20 C atom, which is perfluorinated or semi-perfluorinated; and CN; R2 is alicyclic group with 5 or more carbon atoms; X is selected from methylene, aether, ester, amide and the connecting part of the carbonate; R3 is linear or branched alkylene with one or more carbon atoms or perfluorinated or semi-perfluorinated linear or branched alkylene; R4 is selected from H, CH3, CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated aliphatic group; R5 is selected from the CF3, CHF2, CH2F and perfluorinated or semi-perfluorinated substituted and unsubstituted aliphatic group; n is 1 or higher integer; OR12 is OH or at least an acid unstable group selected from the tert-alkyl carbonate, tert-alkyl ester, tert-alkyl aether, acetal and ketal.

本发明公开了一种包含一种聚合物的光刻胶组合物，该聚合物包括至少一种具有下列结构的单体：其中，R 1 选自氢、具有1～20个碳原子的线形、支化或环状烷基、半氟化或全氟化的具有1～20个碳原子的线形、支化或环状烷基、以及CN；R 2 为具有5个或更多个碳原子的脂环基团；X为选自亚甲基、醚、酯、酰胺和碳酸酯的连接部分；R 3 为具有1个或多个碳原子的线形或支化亚烷基或者半氟化或全氟化的线形或支化亚烷基；R 4 选自氢、甲基(CH 3 )、三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的脂族基团；R 5 选自三氟甲基(CF 3 )、二氟甲基(CHF 2 )、氟代甲基(CH 2 F)、以及半氟化或全氟化的取代或未取代的脂族基团；n为1或更大的整数；OR 12 为OH或者选自叔烷基碳酸酯、叔烷基酯、叔烷基醚、缩醛和缩酮的至少一种酸不稳定基团。

Gas composition, gas carbon isotope and high molecular hydrocarbon released from organic inclusions in the same aliquot sample can be analyzed using the new crushing device.

应用此方法对江苏句容地区有机包裹体的来源及充注期次进行了探讨，包裹体成分特征表明句容地区经历了多期油气的充注。

The article explores the composition and property of alkali slag cement -red soil base light wall partition.

研究了碱矿渣水泥－赤泥基轻质隔墙板的组成和性能。

Alkalescence a flux, such as alkali metals and alkaline-earth metal, zinc oxide and most stain oxide or chromophores components are gender neutral, the principal is alumian oxide, sometimes hemaite and electrolyic, and so on are also included in this composition; acidic components of oxide for silica, phosphoric acid, zirconia, etc.

碱性成分为熔剂，如碱金属、碱土金属、氧化锌及多数的着色氧化物或发色基团；中性成分为两性氧化物，主体为氧化铝，有时将氧化铁和氧化锰等也列入此成分中；酸性成分中有代表性的氧化物为氧化硅、磷酸、氧化锆等

The influence of synthesis conditions such as gel composition and alkalinity were discussed in this thesis.

在膜合成过程中，重点讨论了合成液配方、老化时间、合成温度、合成时间等因素对膜形态和性能的影响，优化了合成条件。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。