carboxylic
carboxylic
1. The generation 4.5 dendrimer would be expected to be predominantly in its free acid form at pH 2.8, and thus would contain w100 adsorbing carboxylic acid groups.
4.5代树形分子预计在pH为2.8的环境中主要以游离酸的形式出现，并且因此而可能包含w100（什么单位？）吸附的羧基。
2. Carboxylic acid.. sulphonic acid.. esters.. acyl halides.. amides.. nitriles.. aldehydes.. ket...
Chemistry 呀 Chemistry.... 我就快俾你玩死了。。。凡事真的要学得那麽清楚吗...
3. CL 9270 can react with reactive group of carboxyl line of polymers and the cross-linking starts and occurs, especially during the finished film drying.
CL 9270交联剂能与聚合物的“碳基酸链上的反应键”起反应，并产生交联作用，特别是在干燥成膜的过程中。
4. The F2/F1 cleavage site in carboxyl terminus of F2 protein is Lys -Pro -Ala -Ser -Arg, which is similar to that of Murayama virus (Lys -Pro -Thr -Ala -Arg).
F2蛋白羧基端裂解位点区的氨基酸残基序列为Lys-Pro-Ala-Ser-Arg。
5. The particle size also gets smaller with the increase of carboxyl content and carboxyl neut...
MMA/ST质量比的变化对粒径影响不明显。
6. The SG copolymer can react efficiently with the amide and carboxyl group of PA6 as well as the hydroxyl group of PPO in blending process, resulting into graft copolymer.
SG共聚物能够有效地与尼龙6分子链端的胺基、羧基和聚苯醚分子链端的羟基发生反应，生成接枝共聚物。
7. The hydroxyl and carboxyl,belonging to auxochromic groups,were oxidized into the carbonyl and ester groups.
[方法]通过对刺槐木材变色前后丙酮抽出物的定性分析,得出变色前后丙酮抽出物的主要成分,进行对比分析,初步得出抽出物对诱发变色的作用。
8. A group of organic chemicals with the general formula RCO-NH2 formed from reactions of ammonia (NH3) and a carboxylic acid, RCOO-H+.
一种有机化学基，通式为RCO-NH2，由氨（NH3）和一种羧酸（RCOO-H+）反应得到。
9. Having three carboxyl groups.
三羧基的分子内含有三个羧基的
10. There were more carboxyl groups condensed guaiacyl units and guaiacyl primary alcohol in the waste ASP liquor than those in KP waste liquor.
与KP相比，ASP废液中木素含有较多的羧基、缩合型愈创木基结构以及愈创木酚型的伯醇醚.
11. Pyruvic acid A 3-carbon carboxylic acid (CH3COCOOH) that is an intermediate in GLYCOLYSIS.
丙酮酸：一种三碳羧酸(CH3COCOOH)，是糖酵解的中间物。
12. A series of inhibitors were made from different organic carboxylic acids as monoacid and binary acid to prevent the corrosion of cast aluminum in neutral cooling water.
为了提高中性冷却水系统中铸铝的耐腐蚀性能,通过极化电阻、稳态极化曲线和交流阻抗等电化学方法研究了不同比例一元、二元有机羧酸混合溶液对铸铝的缓蚀性能。
13. In this paper, a kind of two component adhesive was prepared by modifying PVAc emulsion with polyaryl polyisocyanate and carboxylic styrene butadiene latex.
为了改善聚醋酸乙烯乳液胶粘剂的耐水性、耐热性、耐寒性和乳液稳定性差,蠕变性大及粘接强度低的缺点。
14. Containing two carboxyl groups per molecule.
二羧基的每个分子中含有两个羧基的
15. Derivatives of Naphthol AS containing carboxyl group (-COOH) as second coupling agent were used in mixed coupling process to medify C.I. pigment Red 57: 1.
介绍了以含羧酸基团的色酸衍生物为第二偶合组分，采用分步偶合工艺，对C．I．颜料红57：1进行了改性。
16. In this article,the mechanism and the methods used for the reduction of carboxylic acids,esters,amides,acid chloride,amino acids and the...
介绍了硼氢化钠还原羧酸及其衍生物的机理,综述了硼氢化钠在羧酸、羧酸酯、酰胺、酰氯和氨基酸及其衍生物还原中的应用。
17. Rotundine was used as chiral auxiliary for NMR analysis of racemic carboxylic acids and it turned out to be an effective chiral solvating agent(CSA).
以罗通定为手性溶解剂,用核磁共振方法分析了几种外消旋羧酸。
18. Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.
以过氧化氢为氧化剂,十六烷基三甲基钨磷杂多酸铵为催化剂,催化氧化苯甲醛制苯甲酸。
19. In this paper,the sulfated carboxyl methyl fenugreek gum(S CMFG) were prepared firstly through introducing carboxyl methyl and sulfated groups into fenugreek gum.
以香豆胶为原料,分别引入羧甲基和磺酸基团,首次获得水溶性良好的新型香豆胶磺化衍生物。
20. In this paper，the sulfated carboxyl methyl fenugreek gum(S-CMFG) were prepared firstly through introducing carboxyl methyl and sulfated groups into fenugreek gum.
以香豆胶为原料，分别引入羧甲基和磺酸基团，首次获得水溶性良好的新型香豆胶磺化衍生物。
21. The acidity of the Carboxylic acid to depends on its induction effect, conjugative effect and steric effect.
光气是无色气体，味甜，它是一个毒性十倍于氯气的肺损害剂，能引起窒息，使用时应注意安全。
22. Nitryl carboxylic acid and its derivant series products are sold to Europe, America, Japan and enjoys a high reputation.
公司生产的硝基羧酸及其衍生物系列产品，远销欧、美、日市场，且享有较高的知名度。
23. The carboxylic acid collector is the predominant one for its low price and the good performance of flotation in low temperature improved by surfactants as synergist.
其中羧酸类捕收剂由于低廉的价格,并采用表面活性剂为增效剂,提高了油酸钠或氧化石蜡皂的低温浮选性能,所以羧酸类捕收剂仍然是未来磷矿的主要捕收剂。
24. The experimental data show that the distribution coefficients of carboxylic acids are dependent on the properties of the diluents.
其萃取能力与三辛胺的浓度和稀释剂的性质有关。
25. An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids.
内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物
26. The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.
利用两步氧化法,首次将玉米淀粉改性为同时含羧基和醛基的氧化淀粉,为制革工业提供了一种新型的清洁化鞣剂。
27. The influence of carboxylic polypropylene (EPP) on mechanical properties and crystallization behavior as a compatilizer of PP/PVA blends was studied by SEM and POM.
利用扫描电镜(SEM)、偏光显微镜(POM)等手段研究了一种高分子增容剂(EPP)在聚丙烯/聚乙烯醇(PP/PVA)体系中的增容作用以及对体系力学性能和结晶行为的影响。
28. It is the sodium salt of carbopol, which in turn is a polymer of acrylic acid having free carboxyl groups, which is dispersed in water to form a slight gel.
卡波姆纳为一种已知物质。卡波姆钠即卡波姆的钠盐，而卡波姆又是一种丙烯酸的聚合物，具有自由羧基，在水中扩散便形成轻度凝胶。
29. A rearrangement reaction of 3 - butylphthalide to 1 - methyl - 5 - carboxyl - tetrahydro naphthalene under the catalysis of A1C13 by hydride transfer was observed.
发现了3-正丁基苯酞在三氯化铝作用下进行重排反应生成1-甲基-5-羧基四氢萘,并提出了氢迁移的重排反应机制。
30. Another end for the hydroxyl and the carboxyl group, has the water affinity.
另一端为羟基和羧基，具有亲水性。
31. In addition to the amino and carboxyl groups possessed by all amino acids(except proline), the R group of some amino acids can ionize.
另外,所有的氨基酸都拥有氨基和羧基(除了脯氨酸),一些氨基酸的R基能电离
32. The comonomers include those unsaturated ones, such as ethylene monomer, ethylene chloride, acrylate, unsaturated carboxylic acid, acrylamide, acryloni-trile and so on.
可与醋酸乙烯酯共聚的单体很多,其中主要有乙烯、乙烯、烯酸酯、饱和羧酸、烯酰胺、烯腈、烯基醚等不饱和单体。
33. As one of the flavoring components and the important substance to barm cell formation, carboxylic acids are helpful for enzyme action.
啤酒中的有机酸是构成酵母细胞组织的重要物质，有利于酶作用，是组成啤酒风味物质成分之一。
34. The pendant carboxyl groups add more crosslinking sites and polar than Nitrile.
在丁腈橡胶的基础上，羧基增加架桥端并赋予更高的极性。
35. In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid.
在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸，
36. The sodium bicarbonate solution reacted with carboxyl acids in the pretreated fibers and released carbon dioxide in a closed testing vial.
在封闭的测试瓶内,碳酸氢钠溶液作为反应剂与测试瓶内纤维的羧酸反应生成二氧化碳。
37. Anodic oxidation film was prepared on aluminum alloy in sulfuricacid electrolyte.An additive was developed which consists of carboxylic acids and organic compounds.
在硫酸电解液中加入适量由羧酸和有机化合物组成的添加剂，制得铝合金阳极氧化膜。
38. Under this conditon, is it possible to produce hydroxyl or carboxyl on the surface of oxide?
在这种情况下，能在氧化物表面产生羟基或羧基吗？
39. Using acid or pyridine as a catalyst,nitrogen aci3,4-diamino-3-cyclobutenedione)can be acylated by carboxylic acid,acetic anhydride and acyl chloride.
在酸或吡啶催化下，氮方酸（3，4－二氨基－3－环丁烯二酮）可被酰化试剂羧酸、醋酐和酰氯酰化；
40. In the flavor substances of the final product of Jinhua ham, the contents of aldehydes, carboxylic acids, alcohols and ketones were 45.07%, 18.39%, 13.93% and 9.00%, respectively.
在金华火腿产品的风味成分中,醛类占化合物总数的45.07%,酸占18.39%,醇占13.93%,酮占9.00%.
41. FD is a kind of retanning agent condensated with glyoxal,formaldehyde,carboxylic acid and urea.
复鞣剂FD是一种由乙二醛、甲醛、羧酸衍生物、尿素等缩合而成的两性皮革复鞣剂。
42. They are non-toxic compounds and harmlessness that are familiar binary carboxylic acids.
它们无毒无害，是常见的二元羧酸。
43. It cleaves peptide bonds adjacent to the carboxylic group of aliphatic and aromatic amino acids and is useful for general digestion of protein in biological samples.
它切割脂族氨基酸和芳香族氨基酸的羧基端肽键，用于生物样品中蛋白质的一般降解。
44. It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酸酯或硅烷偶联剂可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
45. The mechanism of the carboxylic lignosulfonate's scale inhibition is discussed.
实验结果表明,羧酸型磺化木质素是一种阻垢性能较为理想的绿色阻垢剂。
46. The experime nt show this type of column has good column chracter.It has good capability in s eparating alkanes、aromatic hydrocarbons、carboxylic esters and so on.
实验表明,这种色谱固定相对于烷烃、芳香烃、酮、酯类及同分异构体等表现出较好的分离能力,该研究为有机盐固定相的实际应用作了有益的探索。
47. Open reading frame prediction showed that SNC73 encodes a peptide identical to the constant region of an IgA molecule in the carboxyl terminus.
对SNC73序列及开放阅读框 (ORF)进行分析 ,发现其与免疫球蛋白IgA高度同源 ,为一免疫球蛋白样基因。
48. Through researching into the detecting method of the content of carboxylic acid salt, we set up two kinds of adaptive methods: DDC colorimetry method and parvafacies method.
对新的检测方法评价结果表明,该方法准确度高、精密度好、加标回收率好;
49. Scale inhibition property of PASP was improved by introducing carboxyl group to main chain during copolymerizing of citric acid, malay anhydride and ammonia.
将柠檬酸、马来酸酐、氨共聚,在主链上引入羧基以改性聚天冬氨酸,提高了其阻垢性能。
50. O-or N-alkylation was carried out directly by simple heating the mixture of carboxylic acid or amine with quaternary ammonium salt.
将羧酸或胺类化合物与季铵盐进行简单的混合加热，便可直接得到O-或N-烷基化产物。
51. The results indicate that the carboxylic acid inhibitor mixed with BTA presents better inhibiting property for copper than using BTA or carboxylic acid inhibitor individually.
并与BTA在海水中对紫铜的缓蚀性能加以比较，结果表明，该类缓蚀剂与BTA复配后显示了比BTA更好的缓蚀性能。
52. In order to improve the photoelectric property of PANI, phthalocyanine copper acid doped polyaniline was made by the reaction of carboxyl and the imide of the polyaniline chain.
并利用红外光谱测试、紫外-可见光谱测试和光电性测试，对其结构和光电性进行了表征和分析。
53. The catalytic mechanism of stannic chloride/ strong carboxylic acid co-catalyst system in the cationic ring-opening/polymerization of epichlorohydrin is present.
并提出了四氯化锡/强羧酸共催化体系催化环氧氯丙烷阳离子开环聚合的机理。
54. The proposal develops carboxyl to change chloroprene rubber new breed.
建议开发羧基化氯丁橡胶新品种。
55. The effects of hydroxyl MWNTs and carboxyl MWNTs on efficiency of enthalpy were higher than that of MWNTs with the same contents.
当多壁碳纳米管的含量相同时，含有官能团化多壁碳纳米管的正十八烷的热焓效率低于常规多壁碳纳米管体系。
56. After the reaction of the partial carboxyl anions with ETC molecules, PANa chains become zwitterionic, i.e. each of PANa chains carry both carboxylic anions and ammonium cations.
当部分PANa分子链和ETC分子作用之后，PANa分子就成为两性离子的分子，也就是说，PANa分子上同时带有羧酸负离子和铵正离子。
57. It is firstly characterized for the SCAN-(C2H2)X genes to truncate the zinc finger domains at the carboxyl terminus.
我们鉴定了SCAN-(C2H2)X基因会在其羧基端截除锌指结构域。
58. This paper reports an improved headspace gas chromatographic method for determination of carboxyl group content in wood fibers.
报道了一种应用顶空气相色谱测定纸浆纤维羧基含量的方法。
59. The influencing factors of condensation reaction were investigated such as anhydrides, base agent, temperature, carboxyl group protected of Gly and Asp.
探讨了成酐和碱性试剂,反应温度,甘氨酸和天冬氨酸羧基保护等对缩合反应的影响。
60. The lubricity of hydrocracked diesel fuel in the presence of carboxylic acids with carbon number of 18 was investigated by using high-frequency reciprocating rig (HFRR) test.
摘要 以高频往复试验机(HFRR)评价柴油润滑性能,考察了碳数为18的不同羧酸对加氢裂化柴油润滑性的影响。
61. Abstract : Recent advances is enzymatic deprotection reactions of amino groups, carboxyl groups, thiol groups and hydroxyl groups are reviewed.
摘要 ： 系统地介绍和评述了近年来氨基、羧基、巯基和羟基等到基团的酶催化脱保护方法的进展。
62. L-Histidine (L-His) could be racemized in carboxylic acids used as solvents in presence of catalyst such as salicylaldehyde.
摘要L-组氨酸在醛的催化下，可在羧酸溶剂中发生消旋。
63. The carboxylic content in oxycellulose was analyzed quantitatively by FTIR using KSCN as internal standard.Calibration curve with good linear relationship was obtained.
摘要以KSCN作为内标，用傅里叶变换红外光谱法(FTIR)对氧化纤维素中的羧基含量作了定量分析，得出了线性关系较好的标准曲线。
64. The reasons for the carboxyl end group fluctuation of bottle grade PET base chips were analysed.
摘要对瓶用基片端羧基波动的原因进行了分析。
65. The synergistic effect of a carboxylic acid inhibitor with BTA in natural seawater was studied using weight-Loss and polarization curve methods.
摘要用挂片失重法及电化学极化曲线的方法，研究了一种羧酸类缓蚀剂与苯并三氮唑在海水中的协同效应。
66. A new colloid titration method for analyzing the degree of substitute (DS) of amphoteric starch with carboxylic and quaternary ammonium groups is first developed in this work.
摘要首次提出了用胶体滴定法测量季铵盐羧酸型两性淀粉的阴、阳离子取代度。
67. The interaction between carboxyl anions in gelatin chains and MMT is strong.The hydroxyl groups are the interactive sites on MMT.
明胶分子链上的羧基负离子可以和蒙脱土产生较强的相互作用，蒙脱土上的羟基是与明胶相互作用的反应位点。
68. The contents of methoxyl and carboxyl groups have good linear relationships between the contents...
木质素的甲氧基、羧基含量与总氮、有效氮含量均呈较好的线性关系。
69. In this paper a new method of the esterification of carboxylic acids and alcohols by the catalysis of DMAP and DCC under the room temperture is described.
本文介绍了羧酸与醇在对二甲氨基吡啶（DMAP）和二环已基碳化二亚胺（DCC）催化下，室温酯化的新方法。
70. The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.
本文介绍了羧酸酯化反应催化剂的研究进展。
71. The property effect on mechanical and heat resistance of BMI cast resin -when mixed -with carboxyl butjronitrile is introduced.
本文介绍端羧基丁腈橡胶的添加对BMI树脂浇铸体力学性能和热性能影响的实验工作。
72. The carboxyl end group value control of Du pont's polyeser technology in direct spinning process is studied.
本文从工业生产的实践出发对杜邦聚酯技术直接纺工艺中端羧基控制进行了研究。
73. The research and application of carboxylic acid collector,phosphoric acid collector and ester collector for phosphorous ore are summarized in this paper.
本文从羧酸类捕收剂、磷酸类捕收剂和酯类捕收剂三个方面,分别综述了磷矿捕收剂的研究和应用进展。
74. By direct cyanidation, the reaction of p-toluic acid with urea would convert the carboxyl group to cyano group to give p - tolunitrile.
本文报道了对甲苯甲酸与尿素反应,进行直接氰化将羧基转变成氰基生成对甲苯甲腈的情况,改进了对甲苯甲酸直接氰化的工艺条件。
75. An experimental research on changing law of calcium carbonate inhibition behavior of phosphono carboxylic acid copolymers was carried out by using a static experimental method.
本文采用静态实验方法,对不同条件下新型阻垢剂膦酰基羧酸共调聚物抑制碳酸钙垢的性能变化规律进行了实验研究。
76. Tempesti, E., A.Kiennemann, S.Rapagna, C.Mazzocchia and L.Giuffre, “C2+ Carboxylic Acids by Catalytic Carbonylation of Methanol with Rhodium”, Chem. and Ind., 15,548-549 (1991).
林俊发,“使用镍/活性碳为触媒之甲醇羰基化反应”,台湾工业技术学院化工系硕士论文(1990).
77. Each fatty acid consists of a hydrocarbon chain with a carboxyl group at one end.
每个脂肪酸由一端带有一个羧基的碳酸链组成。
78. Compared with some commonly used scale inhibitors,the carboxylic lignosulfonate has better scale inhibition,and it can serve as a relatively desirable green scale inhibitor.
比较了羧酸型磺化木质素与目前几种常用阻垢剂的阻垢性能,并对其阻垢机理进行了探讨。
79. Amino acids are called "amino acids" because they contain an amino group (NH2) and a carboxyl group (COOH) that is acidic.
氨基酸之所以叫“氨基酸”，是因为每个氨基酸分子包含一个氨基(NH2)和一个羧基(COOH)。
80. Amino acids contain both acids(carboxylic acids)and bases(amino group), so they react sith both acids and bases.
氨基酸包含酸（羧酸）和碱（氨基团）所以它既可以与酸反应也可以和碱反应。
