查询词典 chelate

As a result, the result of antioxidation of the chelate made from pancreatin was as the same as Q-tocopherol's, and the product is also effecTive in high temperature.

结果表明，用决酶水解豆粕所制得的络合物的抗氧化效果与α－生育酚的十分接近，且络合物在高温条件下仍具有抗氧化性。

Objective To explore the therapeutic efficacy of combination of calcium disodium chelate, trace tlements misture and calcium gluconate for the treatment of chronic plumbism.

目的 探讨依地酸二钠钙(CaNa2EDTA)联合微量元素合剂及葡萄糖酸钙对慢性铅中毒的治疗效果。

New metalized films were obtained by the reduction of PAN/metal salt chelate films with NaBH4 aqueous solution.

以硼氢化钠（NaBH4）水溶液还原聚丙烯腈／金属盐络合膜后，就可得到一种新的高分子表面金属化材料。

The reaction mechanism between citric acid and sodium dichromate, the structure of product chelate, and the performances of chromium-HPAM colloidal dispersion gel were studied.

研究了柠檬酸与重铬酸钠的反应历程、生成螯合物的结构以及Cr(上标 3+)-HPAM胶态分散体冻胶的性能。

Citric acid can reduce the Cr(superscript 6+) in sodium dichromate into Cr(superscript 3+) and react with to yield citric acid chromium chelate at 75℃.

在75℃下用柠檬酸将重铬酸钠中的Cr(上标 6+)还原为Cr(上标 3+)，同时与Cr(上标 3+)发生螯合反应，生成柠檬酸铬螯合物。

In pH 5.3-6.8 Britton-Robinson buffer medium, Cefotaxime sodium can react with HgCl2 to form 1:1 anionic chelate, which can further react with basic triphenylmethane dye such as crystal violet, methyl violet, ethyl violet, brilliant green, iodine green, methyl green and malachite green to form ternary ion-association complexes. As a result, the resonance Rayleigh scattering spectrum was enhanced greatly.

在pH为5.3~6.8的Britton-Robinson缓冲溶液中，头孢噻肟钠与HgCl2形成摩尔比为1：1的螯合阴离子，它能进一步与结晶紫、甲基紫、乙基紫、亮绿、碘绿、甲基绿和孔雀石绿等碱性三苯甲烷类染料反应形成三元离子缔合物，导致共振瑞利散射的显著增强。

Urushiol can be used as the basic raw material to develop economic and practical coating with good resistance to high temperature alkaline solution. Thus the polymer precursor was prepared using the polymerization of urushiol and formaldehyde. Then the urushiol-titanium chelate polymer (urushiol-Ti resin) was synthesized by way of the reaction of tetrabutyl titanate with the polymer precursor. The prospective target product was analyzed by means of high-performance liquid chromatography and Fourier transformation infrared spectroscopy.

为开发经济实用的耐高温碱水漆酚钛清漆，以漆酚为基本原料，先通过漆酚与甲醛缩聚，再将钛酸丁酯与前期合成产物反应，从而合成出了漆酚－钛螯合高聚物，并通过高效液相色谱和傅立叶红外技术检测了预期产物的合成情况。

In this paper, urushiol-Titanium chelate polymer was synthesized through tetrabutyl titanate reacting with the product which is from polymerization between urushiol and formaldehyde, which endows urushiol and Titanium atom with macromolecular performance and functional performance, respectively.

根据其结构特点，本研究利用漆酚先后与甲醛和钛酸丁酯聚合形成高聚物，使得漆酚高分子功能化、钛原子高分子化。

It demonstrated that the hydroxy organic acids substituted with-OH,-SH at α—C such as lactic acid, Hydroxy-acetic acid, mercapto-acetic acid, glyconic acid have good selectivity for separation of hematite and aegirine pka values of organic acids fall down because of the-I inductive effect of-OH or-SH, and lie at the pH range between two minerals point-zero-charge. As a result, the depression ability of them was enhanced, and a cyclo-pentyl chelate was formed when this organic acids acted with Fe〓 on the minerals surface.

发现在α位具有-OH、-SH等取代基的短链一元羧酸（乳酸、羟基乙酸、巯基乙酸，葡萄糖酸）对赤铁矿与钠辉石的浮选分离具有优良的选择性抑制作用，-OH、-SH的-I诱导效应导致有机酸的pKa值下降并落在两种矿物零电点之间，使其抑制性能增强，并与矿物表面的Fe〓形成稳定的五元螯合环。

Chelate fiber with amidoxime group,which is obtained from chemical modification of PAN fiber,is treated with mercury nitrate to prepare anion-exchange fiber.

离子交换纤维的比表面大，对金属离子具有吸附选择性高、应用形式多样等特点，是近年来发展迅速的新型吸附材料[1~5]。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。