经过调查分析，最后确认污泥膨胀是由微量金属元素缺乏所致。
Through investigation analysis it is confirmed finally that trace metal element lacks to cause the sludge bulking.
本文研究了投加微量金属元素对小试规模上流式厌氧滤池处理模拟焦化废水的影响。
Effects of the addition frequency of trace metals on biogas production characteristics in dairy manure by anaerobic fermentation;
可见，在厌氧消化系统中调节营养比例、添加微量金属元素是提高厌氧消化效率的有效途径。
It is an efficient path to enhance anaerobic digestion by adjusting nutritive proportion and adding trace metal ions.
采用双硫腙分光光度法，定量测定藏药“佐志达协”中微量金属元素锌，经试验用王水消解试样。
Microelement zinc content in the traditional Tibetan medicine labeled "Zuo Zhi Da Xie", was measured by dithizone spectrophotometric method with the samples dissolved in aqua regia.
对芦荟中微量金属元素的测定及芦荟有效成分的萃取方法的研究可以为人们正确使用芦荟提供一定的指导。
It will direct people to deal with Aloe correctly by studying on extraction method on the effective components and the determination of trace metal in the Aloe.
可见，通过添加这些微量金属元素，可以大幅度的提高糟液的处理量，同时可多产沼气，从而提高沼气产率。
Can be seen that by adding these trace metal elements, can greatly increase the amount of bad handling of liquid, while prolific gas, thereby enhancing the rate of methane production.
并利用国家粮食标准样品测试以验证方法的准确度，证明所给该法准确可靠，可推广应用于其他粮食样品中微量金属元素的测定。
The accuracy of the method was practised by the national standard material of grain. All of the results show that the analytical method is accurate and reliable.
城市生活垃圾中含有多种微量金属元素，并且在填埋处理过程中会产生重金属的二次污染，是城市垃圾填埋处理中最难解决的问题。
There are various trace metals in Municipal Solid Wastes(MSW). Secondary pollution of heavy metals in the process of MSW landfill is the most difficult problem to be solved.
目的探讨电感耦合等离子体原子发射光谱仪（ICP-AES）法检测花粉中微量金属元素的含量，并了解花粉作为营养品对人们的食用价值。
To discuss to the determination of trace element contents in pollens by using ICP-AES method, and understand the nutritional value of pollens.
目的探讨电感耦合等离子体原子发射光谱仪(ICP - AES)法检测花粉中微量金属元素的含量，并了解花粉作为营养品对人们的食用价值。
[Objective] to discuss to the determination of trace element contents in pollens by using ICP-AES method, and understand the nutritional value of pollens.
也反映了中药中有害微量元素存在着一定的不良反应，必须对中药中的重金属元素进行检测和控制。
It is necessary for us to measure and control the heavy metal elements in Chinese traditional medicine, as harmful trace elements have side effects found by this study.
镍是一种稀有金属元素，也是动植物和人的必需营养微量元素。
Nickel is one of the rare metals, and it is indispensable to plant, animal and human beings.
理想晶体(包括蓝宝石)的颜色与占据其晶格的微量过渡金属元素的种类及含量有直接的关系。
There is a direct relation between the color of ideal crystals (including sapphire) and the varieties and contents of the trace transition metal ions occupying their lattice.
采用系统聚类分析方法，能定量地分析稳定的硫化物结合态微量有毒有害重金属元素的数量。
The contents of trace, poisonous and harmful heavy metallic elements in stable bound-state sulfide in soils can be calculated by systematic cluster analysis.
采用系统聚类分析方法，能定量地分析稳定的硫化物结合态微量有毒有害重金属元素的数量。
The contents of trace, poisonous and harmful heavy metallic elements in stable bound-state sulfide in soils can be calculated by systematic cluster analysis.
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