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1)  Organic trace element
有机微量元素
1.
Organic trace element is the third generation of trace element additive.
有机微量元素是微量元素添加剂的第三代产品,具有生物利用率高、化学结构稳定、吸收率高、利于环保等特点,是当前国内外研制和开发的热点。
2.
The effect of organic trace element on the performance of piglet,sow and finishing pig was elaborated in the article.
本文主要综述了有机微量元素在母猪、仔猪、育肥猪中的应用研究。
3.
In this paper, the significance of chelating rate in organic trace element complexes has been demonstrated from three points such as balancing product quality, modulating process conditions and exploring product mechanisms.
有机微量元素的螯合率对于衡量产品的品质、调节工艺条件、研究作用机理3个方面,阐述了测定螯合率的重要意义;综述了螯合率测定的方法,对凝胶过滤色谱法和有机溶剂萃取法进行比较,指出有机溶剂萃取法测定螯合率可能具有比较好的适用性。
2)  organic trace elements
有机微量元素
1.
The biochemical specificity,function,absorption principle,production,application and progress in research of organic trace elements are elaborated in this article.
有机微量元素是发展较快的第三代新型微量元素添加剂,具有生物利用率高、化学结构稳定、增强免疫力、吸收率高利于环保,是当前国内外研制和开发的热点。
2.
The activities of organic trace elements are all binary complexes both at home and abroad, such as zinc-methionine and iron-glycine etc.
目前国内外应用的有机微量元素添加剂均为二元配合物,如蛋氨酸锌,甘氨酸铁等。
3)  micro-organic elemental analysis apparatus
微量有机元素分析仪
4)  hazardous trace elements
有害微量元素
1.
Leaching out of hazardous trace elements from coal-waste rocks of Xinmi-Xinggong mining field,Henan;
河南新密—荥巩矿区煤矸石中有害微量元素的溶出
2.
During coal combustion, some hazardous trace elements volatilize from combustion furnaces into the atmosphere and pollute the environments.
分析了有害微量元素挥发性与燃烧温度、有害微量元素赋存状态之间的关系 ,通过不同温度下煤的燃烧实验及其微量元素挥发性计算 ,得出燃烧过程中有害微量元素的挥发性受燃烧条件的制约 ,温度越高 ,则其挥发性越高 ;微量元素的挥发性与其在煤中的存在状态有密切的关系 。
3.
Based on the analysis and summation of previous publications,modes of occurrence of Ag and other 25 hazardous trace elements in coal were systematically discussed.
基于前人资料的分析总结,系统探讨了煤中Ag等26种有害微量元素的赋存状态。
5)  harmful trace elements
有害微量元素
1.
Determination of six harmful trace elements in fructus corni by ICP-OES;
电感耦合等离子发射光谱法测定不同产地的山茱萸中6种有害微量元素的含量
2.
The harmful trace elements in coal not only have an effect on coal preparations and utilizations,but also produce great harm to the ecological environments and human health With the modern analytic and testing methods the content,distribution,occurences migration and concentration of As,F,Hg,Pb and Cd and so on in the upper permian coal seams are presente
煤中有害微量元素不仅影响煤的加工利用,而且对生态环境及人类健康有极大危害。
6)  available micronutrients
有效微量元素
1.
The order of average content of available micronutrients in upper soils in the three forests was Fe>Zn>Mn>B>Cu>Mo,and that of Pinus massoniana forest was Fe>Zn>Cu>B>Mn>Mo,but that of pine-broadleaf mixed forest and monsoon evergreen broadleaf forest was consistent with that of the average.
三种森林表层土壤中有效微量元素的平均含量顺序为 :Fe >Zn>Mn>B >Cu >Mo,马尾松林的含量顺序为 :Fe>Zn>Cu >B >Mn >Mo,混交林和阔叶林与平均含量一致。
补充资料:氨基酸与微量元素络合物
分子式:
CAS号:

性质:又称螯形氨基酸,氨基酸螯合盐。是在动物营养中起重要作用的微量元素与氨基酸中的氨基、羟基等对质子有较强吸引力的基团同时形成配位键与离子键构成的五元环化合物。此类化合物的化学稳定性与生物稳定性极好。在动物体内的生化过程中,是合成蛋白质的中间体,与无机盐相比,具有动物吸收快、无毒、节省体能、促进生长的效果。以合成氨基酸(如蛋氨酸、赖氨酸)为原料,在溶液中与铜、铁、锌、锰、钴等通过控制pH值经络合反应而制得,也可用动植物蛋白水解而成的氨基酸为原料生产。

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