官能度,functionality
1)functionality[英][,f??k??'n?l?ti][美]['f??k??'n?l?t?]官能度
1.A review is given on the approaches to the improvement of heat resistance of epoxy resin(EP),such as synthesising EP of high functionality,modifying EP with thermotropic liquid crystal polymer,modifying EP with bismaleimide,modifying EP with nanometer material and optimizing curing system in recent years in china.论述了近年来国内在提高环氧树脂(EP)耐热性方面采取的方法,包括合成高官能度EP、热致性液晶聚合物改性EP、双马来酰亚胺改性EP、纳米材料改性EP及固化体系的优化等。
2.The functionality distribution of hydroxy-terminated polybutadiene(HTPB) was determined by gel permeation chromatography(GPC).用凝胶渗透色谱法(GPC)测定端羟基聚丁二烯(HTPB)官能度分布。
英文短句/例句

1.Determination of Functionality and Its Distribution of Hydroxy-Terminated Polybutadiene端羟基聚丁二烯官能度及分布的测定
2.Synthesize and Properties of Multifunctional UV Curing Resin;多官能度紫外光固化树脂的合成及其性能研究
3.Synthesis and Photopolymerization of Mutifunctional Monomers多官能度单体的合成及光聚合性能研究
4.Study on the Polymerization of Acrylamide Initiated by Bifunctional Initiator;双官能度引发剂引发丙烯酰胺聚合研究
5.Study on Toughed Styrenic Resins with Multi-functional Peroxide Initiators多官能度引发体系增韧苯乙烯系树脂的研究
6.Synthesis and use of high functionality polyurethane acrylate (PUA-9)高官能度聚氨酯丙烯酸酯(PUA-9)的合成及应用
7.Study on synthesis and properties of multifunctional waterborne UV-curing polyurethane acrylate多官能度水性光敏聚氨酯丙烯酸酯的合成及性能研究
8.Influence of Multi-functionality Chain Extender on the Properties of Waterborne UV-curing Polyurethane Acrylate多官能度扩链剂对水性光敏聚氨酯丙烯酸酯性能的影响
9.THE WEIGHTED AVERAGE FUNCTIONALITY OF HTPB BINDER AND ITS CORRELATIVITY WITH THE BEST CURING PARAMETER OF SOLID PREPELLANTS丁羟胶重均官能度及其与推进剂最佳固化参数相关性的研究
10.It is found that the hydrophobicity of the coating is the best at" equivalent point" and that" equivalent point" changes with various curing systems.且对同一种端羟基聚二甲基硅氧烷,“等当点”随固化剂官能度而改变。
11.Mechanism and Kinetics of Multifunctional Peroxy Initiators Thermal Decomposition and Related Initiated Polymerization;多官能度过氧引发剂热分解和相关聚合的机理和动力学研究
12.Study on Bifunctional Complex System Initiated AM/DMC、AM/AA Copolymerization;双官能度复合引发体系引发AM/DMC、AM/AA共聚合反应的研究
13.Synthesis and Characterization of Novel Orderly Tetra-functional Compound Containing Terphenyl Bridge新型结构规整的三联苯桥基四官能度化合物的合成与表征
14.Maybe they are officers in need of compassionate leave.可能这些人是度探亲假的军官。
15.He and his able associates strengthened the Civil Service.他和他能干的同事们加强了文官制度。
16.The official historian system of the Jin Dynasty was fairly stringent. The official historian must have the ability to compile history.晋代的史官制度比较严格,担任史官者必须具备一定的撰史能力。
17.CFO of Chinese Enterprise Gambling Research on"Oficial Position","Official Function" and "Official Effect"中国财务官“官位、官能、官效”博弈研究
18.Who else but a bureaucrat could elevate the act (as opposed to the content) of writing to an art form?除了官僚之外谁能把写字提到艺术形式的高度?
相关短句/例句

average functionality官能度
1.The sequent influence on the molecular distribution, average functionality and the polymerization temperature and pressure in the reactor were investigated in detail.研究了合成中出现的“假凝胶”现象及解缔剂YB对丁羟胶分子量及分子量分布、官能度、聚合反应速率的影响 ,得到了较为满意的结果。
2.Some factors effecting the molecular weight and its distribution, the microstructure and the average functionality were investigated in detail.采用阴离子聚合法,使用本科研组的专利引发剂,环己烷为溶剂,通过丁二烯聚合,环氧乙烷终止和氯化氢酸化等步骤,合成出了1,2结构含量<40%和数均分子量3000~5000、分子量分布系数<120、平均官能度接近理论值2的双官能度端羟基聚丁二烯。
3)degree of functionality官能度
1.According to the requirement of the product such as the degree of functionality is 2.诸如根据产物官能度为2。
4)monofuction单官能度
5)mulfunctional多官能度
1.In particular the synthesis of homo-POSS,monofunctional,difunctional,mulfunctional POSS were introduced.综述了多面体低聚硅倍半氧烷(POSS)的结构特性和合成方法,重点介绍了同取代基、单官能度、双官能度、多官能度四类POSS的合成方法,比较了各种合成方法的优劣,展望了POSS合成研究的发展方向。
6)high functionality高官能度
延伸阅读

官能度分子式:CAS号:性质:单体分子在发生聚合反应时,参加反应的功能团数目或某些功能团在化学反应中所具有的反应能力。如乙二醇与对苯二甲酸起反应时,它们的官能度都是2。苯乙烯在聚合时,反应功能团为1(1个不饱和键),但官能度为2。这是因为它在反应过程中π键断裂可以用两个原子或原子团发生反应。乙炔的功能团为1(1个不饱和三键),但在反应中可以断裂1个π键,官能度为2,也可以断裂两个π键,官能度为4。官能度随反应条件、原料配比的不同而改变,如甘油与二元酸反应,如果条件温和,酸不过量,甘油的官能度为2;若反应条件剧烈,酸也过量,则甘油的官能度为3。