查询词典 agent

Although it has been predicted that H2O2 is a diffusible DP agent (9), its role as an agent moving from tracheid lumen to an S2 site of depolymerization has not been demonstrated.

Although被预言H2O2是一个可扩散的DP代理(9)，它的角色 as搬到从管胞流明的代理解聚作用S2站点没有被展示的been。

In this liquid membrane system,P291〔diphosphoric acid〕and TRPOare used as synergistic mobile carrier,N205 as surfactant,liquid paraffin as film-strengthening agent,sulphonated kerosene as solvent,and (NH4)2CO3 solution as inner phase agent.

用P291〔二磷酸〕、TRPO协同流动载体，N205为表面活性剂，液体石蜡作膜的增强剂，磺化煤油作溶剂，(NH4)2CO3作内相试剂的乳状液膜体系，迁移富集钍。

The electroless copper plating was studied in a bath consisting of glyoxylic acid as reducing agent,Na2EDTA as complexing agent,both 2,2′-dipyridyl and K4Fe6 as additives,focused on the influence of the additives on the deposition rate,as well as on the composition,structures and surface morphology of the deposits.

以乙醛酸作还原剂、Na2EDTA为络合剂、2，2′-联吡啶和亚铁氰化钾作为添加剂组成化学镀铜体系，研究了两种添加剂对化学镀铜速率、镀层表面形貌、组成和结构的影响。

Results showed that the monomer conversion increased slightly in the presence of the crosslinking agents The size of particles decreased slowh as the amount of cmsslinking agent increased.and the size distribution of the particles broadened at a higher amount of cmsslinking agent Divinyl benzene was more effective than ethyl glycol dimethyl methacrylate to make polymer crosslinked.During alkali treatment process,void latex particles can be obtained when no DVB or less than 0.5 wt％ of EGDMA was used,while muhihollow structure was generated when DVB or more than 1.0 wt％ of EGDMA was introduced.The volume expansion of the particles decreased with increasing the amount of emsslinkirlg agents.

结果表明，体系中加入交联剂后，单体转化率都有不同程度的提高；随交联剂用量的增加，乳胶粒粒径略有减小，交联剂用量较高时，乳胶粒粒径分布加宽；二乙烯基苯的交联效率稍高于双甲基丙烯酸乙二醇酯；不加入交联剂及EGDMA用量低于0.5%时，处理后乳胶粒呈空腔结构，加入DVB及EGDMA用量高于1.0%时，处理后乳胶粒呈多孔结构，并且乳胶粒体积增量随交联剂用量的增加而减小。

This experiment uses lime carbonate, kaolin clay and starch as filler, uses sorbitol, ethanediol and chitosan as hygroscopic agent, under without foaming and foaming systems conditions, study filler and hygroscopic agent affect on tear strength, tensile strength, moisture coefficient and gas permeability of this film, and research mechanics of ventilation and moisture-penetrability of experiment preparing PE film by SEM.

本实验以碳酸钙、高岭土和淀粉为填料，山梨醇、乙二醇和壳聚糖为吸湿剂，分别在无发泡体系和有发泡体系的PE薄膜中，研究填料和吸湿剂对聚乙烯微孔薄膜的撕裂强度、拉伸强度、透湿系数和透气性能的影响。

Using pentaerythritol as initiator, boron trifluoride diethyl etherate as catalyst.dichloroethane as dispersion agent, the chloride polyether polyol is synthesized based on the mechanism of cationic ring-opening polymerization of epiclilnrohyclrin.The azide polyether polyol is synthesized, in DMF through A and sodium azide, and the non-reported azide energetic curing agent is synthesized through the adduction of B and IIDI.

以季戊四醇为起始剂，三氟化硼乙醚为催化剂，1，2—二氯乙烷为分散剂，环氧氯丙烷经阳离子开环聚合反应制成氯化聚醚多元醇，A在N，N—二甲基甲酰胺中与叠氮化钠反应制得叠氮聚醚多元醇，B与六亚甲基二异氰酸酯加成反应制得未见文献报道的叠氮固化剂。

Cationic etherifying agent is an important agent to etherify natural polymers such as starch.

阳离子醚化剂是淀粉等天然高分子进行阳离子改性的重要单体。

Then,the core molecule was used as a coupling agent to condensate with polyethylene glycolsof different molecular weight or polyethylene glycol monomethyl etherin the presence of stannous octoate as catalyst and diphenyl ether as azeotropic agent to remove water.

在辛酸亚锡催化下，以二苯醚为共沸脱水剂，将三官能度小分子TMP-SK3作为偶联剂，进一步与不同分子量的端羟基聚乙二醇和聚乙二醇单甲醚缩合，减压下共沸脱水，制备了以TMP-SK3为核，PEG或PEGm为臂的三臂星形大分子。

This article reports a new kind of copolymer, non polar polar terpolymer : poly(styrene-butadiene-methyl methacrylate ) P(S-b-B-b-MMA prepared by anionic polymerization with n BuLi as initiator, 1,1 diphenylethylene as capping agent and lithium 2-(-methoxyethoxy) ethoxide as complex agent.

以正丁基锂为引发剂， 1 ，1-二苯基乙烯为戴帽剂， 2-(2-甲氧基乙氧基)乙氧基锂为络合剂，在环己烷、四氢呋喃混合溶剂中，采用阴离子聚合法，于－70℃～－40℃合成了非极性-极性的三嵌段共聚物聚苯乙烯-聚丁二烯-聚甲基丙烯酸甲酯，并借用GPC、1H-NMR、DSC、TEM、IR等仪器对共聚物进行了表征。

More profound discussion in the new theoretical framework will be offered to those previously discussed issues such as agent, patient, factitive, instrument, time; New insight will be provided into the problems existing in the previous research, such as the post-posing of agent, the syntactic representation of the instrument, and the rules of appearance and disappearance of the instrument in discourse; Specific topics are to be devoted for the first time to those semantic constituents that have ever been touched upon in the literature such as possessor, carrier, attribute, phenomenon, position, alternative participant, manner, accordance, reason; Specific topics are also dedicated to the newly-designated semantic constituents such as causee, phenomenon, undertaker, involvement, relative, comparative.

动元是动核结构中受动核支配的必有语义成分，现代汉语句子语义结构中动元的类别和数量如下： 1）主事动元，包括：施事、致事、经事、系事、起事 2）客事动元，包括：受事、使事、感事、涉事、止事、成事、位事、任事 3）与事动元，包括：当事、共事 4）补事动元——补事动核和动元构成基干的动核结构，若有状元则是扩展的动核结构，状元是语义结构中的可有语义成分，现代汉语句子语义结构中状元的类别和数量如下： 1）凭事状元，包括：工具、材料、方式、依据 2）境事状元，包括：时间、处所 3）因事状元，包括：原因、目的 4）关事状元，包括：对象、范围、方面、条件 5）比事状元——比事本文不仅建构出现代汉语句子语义结构类型系统和语义结构组成成分——语义成分系统，而且构拟出了现代汉语句子语义结构和句法结构的对应关系，讨论了语义成分投射为句法成分的一般规律和语用限制。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。