Comprehensive effects of cu, Pb and Zn in Soil on growth, yield and quality of rice have been studied through a series of pot culture experiments with a 4 level and 3 factor orthogonal design.
采用4水平3因子正交试验设计，通过盆栽试验，用添加法研究了铜、铅、锌及其复合污染的红壤性水稻土对水稻生长、产量、品质的综合影响。
Saersoc gold deposit, a new type of deposit recently discovered in Ashele large scale Cu-Zn ore district surroundings, has special ore-forming characteristics.
萨尔朔克金矿是近年来在阿舍勒大型铜锌多金属矿区外围发现的一种新的金矿类型，具有特殊的矿化特征。
The determination results of Cu, Zn, Fe in mussels, a standard substance, proves that microwave digestion method is better than the traditional digestion method.
通过对校准物质贻贝中的铜、锌、铁的测定结果证明微波消化方式比传统的消化方式优点多。
Cu-Pb-Zn Polymetallic deposits along the Langshan-Zhaertashan in middle Tnner Mongolia is a typical polymetallic metallogenic scrics.
内蒙古中部狼山—渣尔泰山地区铜、铅、锌多金属矿床为—典型的多金属成矿系列。
A method for the analysis of an, ag, Zn, Cu, Ni, Co and fe in ion-exchange resins at the different stages of technological processes of leaching Au using ion-exchange technology was developed.
本工作对离子交换法提取金的工艺生产过程不同阶段离子交换树脂中的金及其它元素银、锌、铜、镍、钻和铁的分析进行了研究。
Hot-process phosphoric acid contains a little impurities which are mainly Pb and very little Zn, Cu, Ni, Mn, Cr and Cd.
热法磷酸中含有少量重金属杂质，主要是铅以及微量的锌、铜、镍、锰、铬和镉等。
The methods of thermal spray and mechanical ball milling were combined in this paper and a new method of preparation of ultrafine Cu-Zn powder was brought forward.
本文将热喷涂法与机械球磨法相结合，提出一种新的超细铜锌粉末的制备方法。
The methods of thermal spray and mechanical ball milling are combined in this paper and a new method of preparation of Cu-Zn ultrafine powders is brought forward.
本文将热喷涂法与机械球磨法相结合，提出一种新的超细铜锌粉末的制备方法。
Separation of Cu, Zn and sulphur has been a difficult problem for a long time.
铜锌硫多金属矿石分离历来是选矿界的难题。
The Hongtoushan Cu-Zn deposit, located in the Hongtoushan rock formation of Archean greenstone in North Liaoning Province, is a large-scale ore deposit with great industrial significance.
红透山铜锌矿床赋存于辽北太古宙绿岩红透山岩组，为极具工业意义的大型矿床。
The Gangdise area has great ore potential and shows promise as a new Fe-Cu-Pb-Zn resource base of China in the near future.
冈底斯地区具有巨大的找矿潜力，有望成为中国新的富铜富铁资源基地。
Based on full literature research, a series of Zn-N and Cu-N complexes are synthesized and characterized.
本文在充分文献调研的基础上，合成了系列锌氮、铜氮配合物并进行了表征，得到其晶体结构。
For a certain refractory Cu-Zn ore, a new process of bulk flotation-oxidizing roasting-selective leaching-Cu-Zn electrowinning is proposed.
针对某难分选的铜锌矿石，提出一种混合浮选—氧化焙烧—选择性浸出—铜、锌电积选冶联合新工艺。
The floatation technology for a Ag-Cu-Pb-Zn-Mo multi-metal sulfide ore is developed.
研究某银、铜、铅、锌、钼多金属硫化矿的浮选工艺。
OBJECTIVE:To determine the contents of Cu, Zn and Mn in Ejiao, a kind of Chinese traditional medicine.
目的：建立导数火焰原子吸收法测定阿胶中的微量铜、锌、锰的新方法。
OBJECTIVE:To determine the contents of Cu, Zn and Mn in Ejiao, a kind of Chinese traditional medicine.
目的：建立导数火焰原子吸收法测定阿胶中的微量铜、锌、锰的新方法。
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