螯合

The effect of the molar ratio of amino acid to copper,microwave power,reaction time and pH value on chelate reaction was investigated.

采用微波螯合工艺，对复合氨基酸与铜的配位比、微波时间、微波功率及反应体系的pH对螯合反应的影响进行详细的研究。

In this experiment, we utilized organic solvent ethanol, acetone sedimentation separation method to separate and purify metal chelates. In the mean time, the chelation ratio of L-aspartic acid/aspartame zinc、autunite、coppe、ferrous complex was determined by EDTA complexometric titration and the products\' structure were analyzed and confirmed by IR spectrometry.

本试验采用有机溶剂乙醇、丙酮沉淀分离法来分离提纯金属螯合物，借助EDTA络合滴定法测定了L-天门冬氨基酸、阿斯巴甜与金属元素钙、铁、铜、锌的螯合率，利用红外光谱对产品结构进行了分析确认。

The interaction between CaA and Cu and influence of ethylenediaminetetraacetic acid,solvent and pH on the interaction were also studied to help elucidate the detailed prooxidant mechanism using UV-visible spectroscopy, demonstrating that it is CaA phenolate anion,instead of the parent molecule,chelates with Cu as a bidentate ligand,hence facilitating intramolecular electron transfer between CaA and Cu.

可见分光光度计研究了CaA和Cu的相互作用以及EDTA、溶剂、pH对这种相互作用的影响，证实了CaA本身没有与Cu螯合，而是咖啡酸酚氧负离子作为双齿配体与Cu进行螯合，形成的络合物有利于分子内电子转移。

In some embodiments where adhesion and alkali removability need to be independently controlled it is preferable that the carrier vehicle comprises two or more types of metal chelating groups wherein at least one of the metal chelating groups is an acid group and at least one of the metal chelating groups is not an acid group.

在有些体现在附着力和碱取出需要独立控制，这是可取的，承运人车辆由两个或两个以上的金属类型螯合组其中至少有金属螯合集团之一，是一种酸组和至少一个金属螯合组不是一个酸组。

New ruthenium benzylidene complexes benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-diphenylphosphinoacetato] monochlororuthenium (46), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene][k~2-3-propionato]monochlororuthenium (47), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] [k~2-2-benzonato]monochlororuthenium (48) featured five-membered, flexible six-membered and rigidsix-membered chelating rings respectively are prepared by reactions of complex 41 withcorresponding sodium phosphino-carboxylates. It is confirmed by X-ray crystallographicanalysis that the coordination geometries of complexes 46 and 47 are distorted squarepyramids with phosphino-carboxylate ligands chelating to ruthenium, and the coordinationbetween ruthenium and benzylidene ligands are strengthened.

用二苯基瞵乙酸盐、二苯基膦丙酸盐、二苯基膦苯甲酸盐与钌卡宾配合物41反应合成了三个新的钌卡宾配合物：含五元膦-氧螯合环的1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(46)、含六元柔性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基--一氯合钌(47)及含六元刚性膦-氧螯合环的[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基]-苯亚甲基--一氯合钌(48)。X射线单晶衍射分析证明，配合物46、47都为变形的四方锥构型，膦-氧与钌形成螯合配位，其中苯亚甲基与钌的配位得以加强。

Ingredients: Apple Cider Vinegar, Magnesium Chelate, Monocalcium Phosphate, Inositol, Ascorbic Acid, Biotin, Mixed Tocopherols, Niacinamide, Calcium Pantothenate, Zinc Chelate, Manganese Chelate, Vitamin A Palmitate, Copper Chelate, Vitamin D, Selenium Chelate, Chromium Chelate, Pyridoxine HCl, Ribofl avin, Thiamine HCl, Molybdenum Chelate, Cyanocobalamin, Folic Acid, Vanadium Chelate, Potassium Iodide.

果醋，螯合镁，磷酸一钙，肌醇，抗坏血酸，生物素，混合生育酚，烟碱醯胺，泛酸钙，螯合锌，螯合锰，维生素A棕榄脂，螯合铜，维生素，螯合硒，螯合铬，盐酸？哆辛，核黄素，盐酸硫胺素，螯合钼，氰钴，叶酸，螯合钒，碘化钾

The maximum calcium dissovling value is 318.75mg/g which is larger than the maximum value of EDTA. ESA is confirmed to be an excellent chelator for calcium by the results.

通过反应条件的优化，得出ESA的最大钙螯合值为318.75mg/g，大于EDTA等螯合剂的最大钙螯合值，是一种络合能力极强的螯合剂。

This paper discussed the existing fractions of nickel in natural soil, transformation of nickel fractions in soil and the effect of organic chelators on phytoextraction and biomass.

本文讨论了土壤中镍的存在形态以及有机螯合剂对土壤中镍形态的影响，并从植物吸收Ni的机制出发，阐述有机螯合剂对植物吸收Ni和植物生物量的影响，分析了植物修复的螯合诱导技术的一些局限性，并对植物修复螯合诱导技术提出展望。

Feeding cottage cheese or yogurt is also considered supplementing calcium, as well as the more obvious forms such as adding bonemeal powder, dicalcium phosphate, Osteoform, etc to the bitch's food.

人们一般认为，脱脂芝士或是酸奶也能补钙，而更直接的方式即在食物中添加骨粉，磷酸氢钙，乐力（含氨基酸螯合钙、氨基酸螯合铜、氨基酸螯合锰等微量元素和维生素D3，属营养类药物）等也有同样的作用。

Feeding cottage cheese or yogurt is also considered supplementing calcium, as well as the more obvious forms such as adding bonemeal powder,5zUE☆☆☆☆☆设计公司网站大全☆☆☆☆☆, dicalcium phosphate, Osteoform, etc to the bitch's food.

人们一般认为，脱脂芝士或是酸奶也能补钙，而更直接的方式即在食物中添加骨粉，磷酸氢钙，乐力（含氨基酸螯合钙、氨基酸螯合铜、氨基酸螯合锰等微量元素和维生素D3，属营养类药物）等也有同样的作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。