chemical modification
[化学] 化学修饰;化学改质
2025-10-31 04:08 浏览次数 9
[化学] 化学修饰;化学改质
terminal chemical modification端基修饰
chemical profile modification化学调剖
fiber chemical modification纤维改性
chemical information modification化学信息修饰
chemical surface modification表面化学修饰
enzymatic-chemical modification酶化学修饰
chemical structure modification化学结构改性
surface in-situ chemical composite modification表面原位化学组合改性
chemical structural modification化学结构修饰
the characteristics and application of chemical modification are summarized.
综述了各种化学修饰方法的特点和应用。
the chemical modification of phb is comprised of radiation-induced graft polymerization, polymerization based on phb prepolymer, reactive polymer blending, etc.
phb化学改性的方法包括辐射聚合、大单体反应改性、反应性共混等。
kinetic studies on chemical modification of the carboxyl groups indicate that only one out of the three cooh side chains was found to be essential for the activity of afp-b of winters flounder.
用甘氨酸甲酯对抗冻多肽b的羧基进行了化学修饰的动力学研究,表明羧基为其活性功能团,其三个二次羧基中仅有一个是必需基团。
chemical modification of pc-3 by periodate oxidation, partial acid hydrolysis, methylation, sulfation, pc-3 and its derivation were tested for anti-virus activities against coxsackis b5.
并分别将pc-3及其衍生物与柯萨奇病毒b_5进行体外实验,结果表明,pc-3经硫酸化后,显着地提高了抗病毒活性;
the chemical modification process and reaction mechanism of the vegetable seed gum are described, with discussions on the development process, adverse factors and performances of the thickener.
介绍植物种籽胶化学改性的工艺过程和反应原理,并就糊料研制中的重要环节、影响因素和应用性能进行了分析讨论。
the ptfe films were treated by rf plasma to achieve their surface chemical modification and improve their wettability.
通过射频等离子体对聚四氟乙烯(ptfe)表面的作用,实现了ptfe材料表面的化学改性和其润湿性的提高。
the chemical modification methods of food proteins are summarized, including acylation, deamidation, phosphorylation, glycosylation, covalent cross-linking effect etc.
综述了酰化作用、去酰胺作用、磷酸化作用、糖基化作用、共价交联作用等食品蛋白质的化学改性技术及方法。
so, the chemical modification which is carboxylic acid monomer graft copolymerization and adding in some functional monomers to prepare waterborne epoxy resin was carried out.
因此,我们采用羧基单体接枝共聚并加入功能单体的方法对环氧树脂进行水性化的化学改性。
this paper reported that the research progress of chemical modification of natural organic compound by intestine bacteria.
概述了目前国内外利用肠内细菌对天然药物进行生物化学修饰的研究进展情况。
the well-performance adsorption resin was obtained by physical and chemical modification of chitosan.
采用物理和化学双重方法对壳聚糖进行改性,得到一种性能良好的吸附树脂。
the key approaches for chemical modification of wheat gluten, as well as their principles, were viewed in this paper.
小麦面筋蛋白化学改性的主要方法有磷酸化改性、酰化改性、脱酰胺改性、糖基化改性。
chemical modification was carried out by the radical polymerization of kh-570 and acrylate monomer.
改性后的树脂具有丙烯酸树脂和有机硅聚合物的优点。
as an artificial enzyme, it can be optimized by changing the diphenylmethane units or bridging chains or by chemical modification of hydrophobic cavities to form new host compounds.
作为人工模拟酶,通过改变氮杂环蕃化合物的形状以及引入活性基团,形成不同包结性能的主体化合物。
chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.
化学修饰实验发现:巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。
the article described mechanism of physical and chemical modification technology of resin matrix composite and its progress. several typical modified resin matrixes composite were introduced.
概述了树脂基复合材料物理及化学改性技术的作用机理,以及近年来改性技术的最新进展情况,对几种典型改性树脂基复合材料做了简要的介绍。
chemical modification of amino acid side chain groups on protease hs08 secreted by a thermophilic bacillus strain were investigated.
运用化学修饰方法对一株嗜热芽孢桿菌所产生的耐高温蛋白酶hs08活性中心的结构进行了研究。
in this paper, the active silica powders were prepared from the silica powders that were subject to surface chemical modification in dry process.
本文介绍了硅微粉的主要性能和用途、硅微粉原料的加工和提纯技术以及硅微粉的生产技术。
the new physicochemical and biological properties of proteins will be endowed by the appropriate chemical modification of protein side chains.
通过对蛋白质侧链基团进行适当的化学修饰,可以赋予蛋白质以新的物理化学和生物学性能。
mice lacking this chemical modification of glua1 recovered fear memories induced by loud tones, whereas littermates that still had normal glua1 protein did not recover the same fear memories.
缺乏这种glua1化学改质的老鼠会重新出现由响亮的声音造成的恐惧记忆,而同窝出生的老鼠中仍然拥有正常glua1蛋白质的老鼠不会重新出现相同的恐惧记忆。
polyethylene glycol(peg) and its derivatives, due to their good biocompatibility and low immunogenicity, have been widely used in the chemical modification of biomacromolecules.
聚乙二醇衍生物由于具有良好的生物相容性和免疫原性而被广泛应用于生物分子的化学修饰。
phosphorylation is an important protein chemical modification which plays vital roles in completion and change of protein function.
磷酸化修饰是一种重要的蛋白质化学修饰, 对蛋白质功能的完成或改变起到重要作用。
dna methylation is a chemical modification made to dna that plays an important role in dictating how dna is read and interpreted by a cell.
dna甲基化是一个化学修饰,它在让细胞正确的解读dna的过程中起着重要的作用。
chemical modification is an effective method that improve the physical and chemical character and activity of the enzyme.
化学修饰已成为改进酶的物理化学性能、提高其生物活性的有效方法。
the double bonds of the butadiene soft matrix in styrene-butadiene-styrene block copolymer(sbs) were oxidated reaction, and chemical modification was happened.
对sbs 主链中丁二烯软链段的双键进行氧化反应,并引入极性基团进行化学改性。