- 更多网络例句与羧基的相关的网络例句 [注：此内容来源于网络，仅供参考]
-
Therefore esterification crosslinked reactionbetween polyearboxylic acid and wood can be quantitatively determined.According toexperiment results of stereoscopic configuration choices by crosslinking agents,crosslinkingreaction between model of reaction intermediate and wood,and the intermediate characteristic incrosslinking reaction,crosslinking reaction intermediate was proofed.We can infercrosslinking reactions between polycarboxylicacid and wood want through a mechanism of twosteps reaction process,the first cyclic anhydrides were formed as intermediates by dehydratingbetween hydroxyls in polycarboxylic acids,second esters were occurred by substitution reactionbetween wood hydroxyls and cyclic anhydrides.
从而可全面定量表征木材与多元羧酸类化合物的酯化交联反应；依据交联剂立体构型选择性、反应中间体模型物与木材的交联反应和交联反应中间体的波谱特征实验结果，证实了交联反应中间体，因此可以推测：多元羧酸类化合物与木材化学组分的交联反应是经历两步反应的机理，首先多元羧酸中相邻羧基的羟基之间脱水形成五元环酸酐中间体，然后木材的羟基与酸酐发生亲核取代反应形成酯。
-
The copper atom is in a planar coordination site of [N_2O_2] and it devites from the mean plane by only 0.80 pm. Byπ-πstacking interactions, a alabastrine structure was obtained.(2)Schiff-base complex [Cu(H_2O)]·H_2O, where H3GS is the 3-carboxyl -salicylidene glycine, was synthesized and characterized by elemental analysis, IR spectra and single-crystal analysis. The crystal belongs to monoclinic system, space group P2(1)/c, a=848.46(3)pm, b=681.54(3)pm, c=1967.16(8)pm,β=95.8210(10)°, Z=4, R_1=0.0279, wR_2=0.0724. The copper atom is in a square-pyramidal field with the base
结果表明该晶系属单斜晶系，空间群P2(1)/c，晶胞参数：a=848.46(3)pm，b=681.54(3)pm，c=1967.16(8)pm，α=90°，β=95.8210(10)°，γ=90°，Z=4，R_1=0.0279，wR_2=0.0724，Cu原子位于轻微变形的四方锥场底心，底面被氮原子、酚氧原子、甘氨酸羧基的一个氧原子和一个水分子氧原子占据，而甘氨酸羧基的另一个氧原子占据相邻分子的锥顶，因而形成一维链状结构；合成了单核双聚配合物Na_2[Cu_2_2]·2H_2O ，铜三核配合物Cu_3_2·5H_2O和铜锌异三核配合物ZnCu_2_2·5H_2O，并用元素分析，IR光谱，电子光谱和磁化率测定对配合物的组
-
Poly-[N-(2-hydroxyethyl)-L-glutamine] was then obtained by aminolysis of PBLG with 2-aminoethanol.
以L -谷氨酸为单体，经r -羧基的苄基保护，与光气/甲苯液反应制备L-谷氨酸苄酯的羧酸酐，均聚得L -谷氨酸苄酯，然后经由 2 -氨基乙醇胺解得聚 [N -( 2 -羟乙基)-L -谷酰胺 ] 。
-
Crystal by DTT into the protoxin with an end amino group; activation and derivation of abamectin to form abamectin-COONa with a carboxylic group; final bioconjugation by using amino-carboxylic conjugator EDC to achieve the substance combination of two biotoxins.
晶体进行酶解改造，形成带末端氨基的原毒素；将阿维菌素的羟基进行激活、衍生化，形成带羧基的阿维菌素衍生物（Abamectin-COONa）；再利用氨基-羧基偶联剂进行两种生物毒素的生物耦合。
-
Effects of different anti-ions on dispersivity indicated that the best dispersivity was gained when diethanolamine was used.
使用氢氧化钠对聚丙烯酸不同程度的中和，通过红外光谱分析了羧基的中和程度，考察了羧基中和程度对分散剂性能的影响。
-
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。
-
Several methods applied widely for synthesizing uronic acid are introduced, such as methods of one-step process and two-step process.
分别就糖醛酸的几种常用合成方法进行了介绍，即直接将羟甲基氧化成羧基的一步法和先将羟甲基氧化成甲酰基、再氧化成羧基的两步法。
-
The particular preparation procedure is as follows: preparing a carbon nanotube with carboxyl by acidulating the carbon nanotube; Preparing the carboxylic carbon nanotube/nylon 66 composite material by polymerizing the carboxylic carbon nanotube and the raw material (such as polybasic acid and polybasic amine) which is used for preparing the nylon 66 through in situ polymerization.
具体步骤为：通过对碳纳米管进行酸化，制备携带羧基的碳纳米管。通过原位聚合法将羧基化碳纳米管与制备尼龙66的原料进行聚合，制备羧基化碳纳米管/尼龙66复合材料。
-
The main factors that can affect the strength of base PAN fiber and how its hydrolysis reaction happened in alkaline conditions were discussed.
应用红外光谱仪、元素分析仪、比表面分析仪等对基体聚丙烯腈纤维及其部分水解PAN-COOH型离子交换纤维进行了表征，讨论了影响基体PAN纤维强度的主要因素和碱性条件下的水解反应获得了干态水解PAN纤维的性能指标：强度8.3 cN/dtex，交换容量0.26 mmol/g ， BET比表面积为0.58平方公尺/g的PAN-COOH型离子交换纤维，并较为详细地讨论了该纤维氰基转化成羧基的比率，羧基在纤维表面的排列及最大水解量。
-
Multilayer latex particles with carboxylic polymer as core, polymer with low glass transition temperature and film-formable under room temperature as shell, and lightly crosslinked polymer as intermediate layer were prepared with unsaturated carboxylic monomers by multistage seed emulsion polymerization. Finally, the room-temperature-film-formable polymer particles with hollow structure were obtained via the alkali treatment to the multilayer latex particles.
采用羧基单体进行多阶段的种于乳液聚合，制备了内核为带羧基的聚合物、最外层为易成膜的低玻璃化温度聚合物、中间为轻度交联中间隔离层的多层核壳结构乳胶粒，最后通过碱处理制成了具有室温成膜性的中空结构聚合物微粒。
- 更多网络解释与羧基的相关的网络解释 [注：此内容来源于网络，仅供参考]
-
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,
-
carboxyl：羧基
通过特殊工艺将可吸附碱性异味物质的羧基(Carboxyl)融入到了人造纤维中. 按照普通T恤使用的缝纫线(约100m)量计算,可吸收相当于6张榻榻米大小的房屋内的氨臭. 在洗涤或晾晒过程中排放吸附物质,并恢复除臭功能
-
carboxyl terminal：羧基端
在羧基端(carboxyl terminal)的结合位与铁离子有很高的亲和力,只会与铁离子结合. 在氨基(N-terminal)端的结合位则是可以与其他离子结合,亲和力高低如下:铁>铬>锰>镉>镍. 三价铁离子与运铁蛋白的结合需要一个阴离子的存在,通常是重碳酸盐(bicarbonate).
-
carboxyl terminal：羧基末端
ANP的生物学特性ANP是一种多肽类物质,其结构由17个氨基酸围成一个环行结构,他有自由氨基的一端即氨基末端(amino terminal)或 N端有6个氨基酸序列,有自由羧基的一端即羧基末端(carboxyl terminal)或C端有5个氨基酸序列,
-
carboxylation：羧(基)化
生物素在醣类、蛋白质、脂肪等营养素代谢过程中,扮演著重要辅脢的角色. 在羧基化(carboxylation)反应中,生物素与二氧化碳形成一不安的活性物质 ─ carboxy-biotin.
-
carboxylic acid：羧酸
第十章 羧酸 (Carboxylic acid) -乙氧基醋酸_学习要求:_1.掌握羧基的结构和羧酸的化学性质_2.掌握诱导效应和共轭效应对羧酸酸性的影响_3.掌握羧酸的制备方法以及重要的羧酸的主要用途_4.掌握二元羧酸取代羧酸的特性反应__ 第十三章 羧
-
decarboxylation：脱羧基作用
部分氨基酸可在氨基酸脱羧酶(decarboxylose)催化下进行脱羧基作用(decarboxylation),生成相应的胺,脱羧酶的辅酶为磷酸吡哆醛. 从量上讲,脱羧基作用不是体内氨基酸分解主要方式,但可生成有重要生理功能的胺. 下面列举几种氨基酸脱羧产生的重要胺类物质.
-
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,
-
carboxylic：羧基的
carboxylase 羧化酶 | carboxylic 羧基的 | carboy 大玻璃瓶
-
tricarboxylic acid cycle：羧酸循环
图4-4 丙酮酸脱氢酶复合物的作用机制 2.三羧酸循环(tricarboxylic acid cycle) 乙酰coa进入由一连串反应构成的循环体系,被氧化生成h2o和co2. 由于这个循环反应开始于乙酰coa与草酰乙酸(oxaloacetate)缩合生成的含有三个羧基的柠檬酸,