The efforts were made to improve its stabilities by chemical modification.
为了提高其稳定性,对其进行了改性。
By chemical modification, chitin and chitosan could gain more useful properties.
通过化学改性,甲壳素和甲壳胺可以获得更多的性能。
Hydrophilic groups were introduced onto E-51 epoxy resin by chemical modification method to prepare epoxy resin aqueous system.
利用化学改性法将亲水性基团引入E -51环氧树脂链上,经冰乙酸成盐并加水制备改性树脂水性体系。
The reactivity of cotton fibers with reactive dye is enhanced by chemical modification and crosslinking, and the depth of shade and color-fastness are improved.
棉纤维通过化学改性和交联作用,增加棉纤维与活性染料的反应能力,达到增深和提高染色牢度的目的。
The artificial beeswax was prepared from paraffin wax and microcrystalline by chemical modification. Its quality and function is similar to that of natural beeswax.
采用石蜡与微晶蜡为原料,经化学改性研制出人造蜂蜡,其质量和性能与天然蜂蜡基本相同。
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。
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。
Coating by physical vapour deposition (PVD), coating by chemical vapour deposition (CVD) and surface layer modification by ion implantation, all three are being tested and are partly in use.
涂层的化学气相沉积(CVD)和表面层改性的物理气相沉积(PVD)涂层的离子注入,所有三个正在受到考验,并部分使用。
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杆菌所产生的耐高温蛋白酶hs08活性中心的结构进行了研究。
The dispersion methods of carbon nanotubes are as follows:surface chemical modification, dispersing by dispersant, ultrasonic dispersion, mechanical dispersion and dissolving in solution.
碳纳米管的分散方法主要有:表面化学修饰、分散剂分散、超声分散、机械分散、溶剂分散。
The reliability of the method was confirmed by site-directed mutagenesis, selective chemical modification, site-specific antipeptide antibody binding experiments, and so on.
大量定点突变实验、选择性化学修饰实验、抗多肽抗体结合实验等能很好地确证该联配结果的正确性。
Based on this media, a new hydrophilic weak cation exchange stationary phase(WCX) for high(performance) liquid chromatography was synthesized by a new chemical modification method.
该微球经化学改性后得到一种亲水性良好的新型高效弱阳离子交换色谱固定相。
This paper describes the methods of preparation and polymerization of monomers of oxazoline. The modification of polyoxazolines by chemical reactions and their blends are introduced.
综述了唑啉单体的合成及其聚合方法,并对其聚合物的化学改性及共混物作了概述。
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay. The reinforcing effect of said agent is similar to that of silica.
通过对粘土进行物理和化学改性,可制成橡胶补强剂,其补强效果接近或达到白炭黑水平。
To reduce the toxicity by the chemical modification.
通过化学修饰减低神经毒素的毒性。
The chemical modification was performed by the complexes such as calcium acetate, magnesium acetate or zinc acetate which reacted with crude capsanthin, and a good result can be gained.
用金属钙、镁、锌的乙酸盐为络合剂分别对粗辣椒红色素进行化学改性,得到辣椒红色素镁络盐和锌络盐的粉末产品;
A reinforcing agent of rubber has been developed by the physical and chemical modification of clay.
通过对粘土进行物理和化学改性,可制成橡胶补强剂,其补强效果接近或达到白炭黑水平。
Adoption of second version of generalized design of small scale urea plant issued by China Wuhuan chemical engineering Corp. in Ninyang fertilizer plant and minor modification on it are introduced.
简述宁阳化肥厂采用中国五环化学工程公司编制的小尿素二版通用设计,并在此基础上进行小改小革的成功经验。
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 of PHB can get PHB copolymer with specific structure by molecule design and has more advantages than physical blending. The PHB copolymer c…
PHB化学改性可通过分子设计合成特定结构的PHB共聚物,具有物理共混无法比拟的优势,特别是在组织工程领域有着广泛的应用前景。
The weak heat resistance, interface and creep resistance of the fiber can be improved differently by the surface modification using various physical and chemical methods such as plasma and oxidation.
通过等离子体处理法、氧化法等各种物理和化学的方法对UHMWPE纤维表面进行改性处理,可不同程度改善其耐热、界面、抗蠕变等弱性。
Chemical modification reactions of dehalogenase YL, 109 and H-2 were carried out by various reagents.
本文用各种化学修饰剂对脱卤酶yl、109和H - 2进行化学修饰。
Fogging-resistances of no-drip PE films made by chemical grafting modification and the long-lasting no-drip PE films made by long-lasting fogging resistance agents were compared.
比较了由PE化学接枝改性制备的无滴膜与掺混长效无滴剂生产的长效无滴膜的无滴性能。
It reviews the progress in the research on kaolin modification by means of heat treatment and chemical process as well as the application of kaolin in synthetic zeolite.
总结了国内在高岭土热处理改性、化学改性及其在合成沸石中应用的研究进展。
The analogue was made on ammonia stripping system by means of chemical engineering analogue software, which has offered a basis for technical modification.
利用化工模拟软件对蒸氨装置进行模拟,为技术改造提供了依据。
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。
The results of the experiment show that the eutectic silicon become small and granular by electric pulse discharging, which like the effects treated with chemical modification .
研究结果表明,电脉冲处理对铝硅合金凝固组织中的共晶硅起到很好的细化和粒化作用,达到了类似化学变质的效果;
The results of the experiment show that the eutectic silicon become small and granular by electric pulse discharging, which like the effects treated with chemical modification .
研究结果表明,电脉冲处理对铝硅合金凝固组织中的共晶硅起到很好的细化和粒化作用,达到了类似化学变质的效果;
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