- 更多网络例句与二羧基的相关的网络例句 [注:此内容来源于网络,仅供参考]
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Containing two carboxyl groups per ''.
二羧基的每个''。
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The space oriented blocks of modifiers favor the formation of small-sized rutile TiO2 nano-rods, at the same time, the coordination between carboxyl or hydroxyl group of modifiers and TiO2 nanoparticles also inhibit the TiO2 crystal growth, resulting in small-sized rutile nanoparticles.
结果表明:含羧基或羟基的有机化合物在修饰剂条件下都制得了纳米金红石型二氧化钛,且修饰剂的加入抑制了棒状纳米二氧化钛的颗粒大小,其中修饰剂的空间位阻效应在控制合成小尺寸二氧化钛纳米棒中起主要作用,且修饰剂的羟基和羧基的络合作用对颗粒的生长也起到抑制作用。
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Based on hydrogen peroxide and ammonium persulfate as compounded initiating system,unsaturated vinyl monomers were used to directly copolymerize a new high range polycarboxylate water reducer structurized in carboxyl,esterquat and amido as main chain and in polyethylene glycol ether as side chain.
以过硫酸铵和双氧水为复合引发体系,采用不饱和单体直接共聚,得到一类主链为羧基、酯基、酰胺基,侧链为聚乙二醇醚基的新型聚羧酸高效减水剂,研究了共聚物的结构对分散性能的影响。
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A small molecule core (TMP-SK3)with three terminal carboxyl groups was synthesized successfully by the reaction of 1,1,1-trihydroxymethylpropane with the excessive sebacic acid diacetic anhydride.
以1,1,1-三羟甲基丙烷与过量癸二酸二乙酸酐反应,制得了端羧基的三官能度小分子核三癸二酸三羟甲基丙烷酯(TMP-SK3)。
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Two coordination polymers composed of in situ synthesized ligand deriving from isophthalic acid through the hydroxylation on the 2-position have been synthesized under hydrothermal conditions.
利用铜离子的氧化还原性质,以铜离子和间苯二甲酸在水热条件下反应使配体发生羟基化衍生成2,6-二羧基苯酚,并组装出2个含衍生配体的配位聚合物。
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In complexes 8~16 synthesized by hydrothermal method, most of the ligands adopt multidentate coordination modes joining several lanthanide ions into high-dimensional coordination polymers. And changing of 5-substituting group on isophthalic acid has a little effect on the coordinated abilities of the meta-carboxyl groups.
水热法制备的配合物8~16中,配体多采取多齿配位模式桥连多个稀土离子,形成高维配位聚合物,同时由于羧基氧原子和稀土离子的强的键合力,间苯二甲酸的5位取代基的变化对间位羧基的配位能力的影响不大。
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By combining resolution and protection of DBSPINOL with menthyl chloroformate, the enantiopure SPINOL and other 4,4'-derivatives have been synthesized effectively via (1S)--4,4'-dibromo-l,r-spirobiindane-7,7'-diyl bis-menthyl carbonate with n-BuLi following reacting with electrophiles of I2, MeI, CO2 and water.
在制备其它衍生物反应中,薄荷醇碳酸酯成为羟基的保护基,DBSPINOL碳酸酯用正丁基锂处理后,再和亲电试剂作用合成了其它4,4'位二碘代、二甲基取代和二羧基取代SPINOL新化合物。
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We have synthesized 4,4'-dinitro-3 4''-dimethyl triphenylamine,(1), in 84% yield in an one-step condensation process between 3,4-dimethyl aniline and 4-fluoro-nitrobenzene. After the auto-oxidation of (1) and the subsequent hydrogenation of the nitro-groups, an AB2 type triphenylamine polyimide intermediate bearing two amine groups and one acid-anhydride group each on individual phenyl ring,{AB2 PI Intermediate}, was prepared successfully. The yields of the autoxidation and the hydrogenation steps are 81% and 90% respectively.
中文摘要本研究以3,4-二甲苯胺及4-氟硝基苯为原料,经一步骤缩合反应得到产率为84 %之4,4'-二硝基-3&,4&-二甲基三苯胺(1),由(1)经自氧化法后再以氢化法还原硝基,成功地制备出带有二胺基与一羧基的三官能基之AB2型三苯胺中间体(AB2型PI中间体),自氧化反应与氢化法的产率各为81%及90%。
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In the paper, new type of polyurethane ionomers containing carboxyl in soft segments was synthesized with IPDI, DMBA, carboxylated polycaprolactone etc.
本文利用一种新型的聚己内酯、异佛尔酮二异氰酸酯、二羟甲基丁酸等合成了软段含有羧基的聚氨酯离聚体。
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Six carboxyl acids DEMB was produced with Michael Reaction using triethylamine as alkaline catalyst and solvent, malonic acid and itaconic acid as raw materials.
以三乙胺为催化剂和溶剂,衣康酸和丙二酸为原料,采用迈克尔加成反应合成了含有6个羧基的多元羧酸DEMB。
- 更多网络解释与二羧基的相关的网络解释 [注:此内容来源于网络,仅供参考]
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carboxyl group:羧基
俗称的杜鹃花酸学名为壬二酸(NONANEDIOIC ACID),在化学上简单说就是共含有九个碳的饱和直链结构,头尾两侧各有一个羧基(carboxyl group)的成份. 而原有的英文azelaic acid跟azalea(杜鹃花)实在没有关系,这成份也不是从杜鹃花萃取所得,
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indigo carmine:靛蓝
化学名称为3-羧基-5-羧基-2-(对-磺苯基)-4-(对-磺苯基偶氮)-邻氮茂的三钠盐,其结构式为如下:日落黄(sunset yellow FCF)的化学名称为1-(4′-磺基-1′-苯偶氮)-2-苯酚-7-磺酸二钠盐,呈橘黄色,化学结构式为:靛蓝(indigo carmine )又名靛胭脂、酸性靛蓝或磺化靛蓝,
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fumarate:延胡索酸
二羧酸转运载体(dicarboxylate exchange carrier)二羧酸转运载体是叶绿体内膜中一个重要的转运蛋白, 它能够交换含有两个羧基的酸,如苹果酸(malate)、琥珀酸(succinate)、草酰乙酸(oxaloacetate)、延胡索酸(fumarate)、谷氨酸和天冬氨酸等,
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PEG:聚乙二醇
本发明公开了制备携带羧基官能团水溶性非肽类聚合物,特别是羧酸官能化的聚(乙二醇)(PEG)聚合物的方法,以及这些方法的产物. 通常,使酯试剂R(C=O)OR′(其中R′为叔基并且R包括官能团X)与水溶性非肽类聚合物POLY-Y(其中Y与X反应形成共价键的官能团)反应形成聚合物的叔酯,
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peptide bond:肽键
二, 肽键与肽链: 肽键(peptide bond)是指由一分子氨基酸的 α羧基与另一分子氨基酸的 α氨基经脱水而形成 的共价键(CONH).氨基酸分子在参与形成肽键之后,由于脱水而结构不完整,称为氨基 酸残基.每条多肽链都有两端:即自由氨基端(N 端)与自由羧基端(C 端),
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pyruvic acid:酮酸
在植物界中,生物素亦可进行下列的反应:丙酮酸(pyruvic acid)的羧基化,合成草醋酸盐(oxaloacetic acid). 将丙酸(propionate)经甲基丙二醯辅脢A (methyl malonyl Co-A)而转化成丁二酸盐(succinate). 其它涉及的辅脢可能还有乙醯辅脢A(acetyl Co-A),
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succinate:琥珀酸
二羧酸转运载体(dicarboxylate exchange carrier)二羧酸转运载体是叶绿体内膜中一个重要的转运蛋白, 它能够交换含有两个羧基的酸,如苹果酸(malate)、琥珀酸(succinate)、草酰乙酸(oxaloacetate)、延胡索酸(fumarate)、谷氨酸和天冬氨酸等,
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tartrazine:柠檬黄
苋菜红(amaranth)即食用红色2号,又名蓝光酸性红,化学名称为1-(4′-磺酸基-1-萘偶氮)-2-萘酚-3,7-二磺酸三钠盐,其化学结构式如下:柠檬黄(tartrazine)又名酒石黄肼,化学名称为3-羧基-5-羧基-2-(对-磺苯基)-4-(对-磺苯基偶氮)-邻氮茂的三钠盐,
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carbodiimide:碳二亚胺
Bio-PlexTM 羧基微球内部标记有两种荧光染料(xMAP技术). 通过碳二亚胺(carbodiimide)反应(蛋白上的氨基和微球上的羧基形成的脂的缩合反应),用户可以把自己的蛋白包被到Bio-PlexTM 羧基微球表面.
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Norfloxacin Nicotinic:烟酸诺氟沙星
4-二氢-7-(1-哌嗪基)-3-喹啉羧酸烟酸盐CAS N甲磺酸培氟沙星 70458-95-6 名称:甲磺酸培氟沙星(Pefloxacini Mesylas)化学名称:1-乙基-6-氟-1,4-二氢-7-(4-甲基-1-哌嗪)-4-氧代-3-喹啉羧酸的甲基磺烟酸诺氟沙星 118803-81-9 名称:烟酸诺氟沙星(Norfloxacin Nicotinic) 化学名:1-乙基-6-氟-4氧代-1,