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。
Metallic elements such as Fe, Cu, al, Pb, Na, Zn, Sn and Cd etc. would influence the stability of grape wine.
影响葡萄酒稳定性的金属元素有铁、铜、铝、铅、钠、锌、锡和镉等。
There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.
具有大型、 超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
Higher selective composite collectors and combined depressants without cyanide were used in part-bulk flotation and Cu-Pb separation of Pb-Zn ore containing silver and copper.
采用一段磨矿-部分混合浮选-混精铜铅分离、混选尾矿选锌流程及无氰药剂,提高了精矿品位及铜、铅、锌、银回收率。
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。
Eight kinds of microelements Cu, Pb, Cd, Zn in Dayi river were detected and analysed by flame atomic absorption spectrometry.
采用火焰原子吸收分光光度法测定了山东省曲阜市大沂河水体的重金属铜、铅、镉、锌含量。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高,所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
Atmospheric wet deposition fluxes of Cd, Pb, Zn and Cu are all influenced by rainfall, and they are related with season and wind speed.
大气湿沉降通量中,所有重金属元素受降雨量影响显著,另外还与季节和风速有关。
Cu-Pb-Zn ore bodies are located in outer contact zone of intermediately acidic granite(partially layered skarn) and the ore occurs as dissemination and fracture-filling.
铜铅锌矿体分布于酸性偏中性的花岗岩体外接触带中(部分为层状夕卡岩),呈浸染状赋于夕卡岩中或沿裂隙充填成矿。
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 Shanghai economic district is rich in mineral resources of following varieties: mainly Cu, Pb, Zn, W, Sn, Mo, Mn, Au, Ag, REE, Nb and Ta.
上海经济区蕴藏着丰富的金属矿产资源,主要有铁、铜、铅、锌、钨、锡、钼、锰、金、银、稀土、铌、钽等矿种。
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。
The Lanping basin in west Yunnan, China, is an important Meso-Cenozoic continental facies basin, which is an abundant mineral resource of Pb, Zn, Cu, Ag, and so on.
滇西兰坪盆地是一个重要的中新生代陆相盆地,产有丰富的铅锌铜银矿产资源。
Atomic absorption spectroscopic method is used to determination of the content of Zn, Cu, fe, Ca, Mg, Cd, Ni and Pb in green teas produced by different tea plantations in Zhanjiang.
采用原子吸收法测定了湛江不同茶场出品的绿茶茶水中的锌、铜、铁、钙、镁、锰、镉、镍、铅的含量。
It is generally agreed that low Zn, low Fe, abnormal Cu and high Pb will do grievous harms to health.
观点较一致的是缺锌、缺铁、铜异常、铅过高对机体有显著影响。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
从含高铜、铅、锌贵液中直接用锌粉置换回收金,效果差。
In the same area blood contents of Mo and Cu of the male donors appeared to be lower than those of the female, but the contents of Pb and Zn seemed to be higher.
该地区内男性血液内钼、铜含量比较低,但铅和锌含量却显著地高于女性。
The geochemical exploration has played an important role in discovering large Cu, Mo and Pb-Zn-Ag deposits in the Erguna metallogenic belt.
化探对额尔古纳成矿带大型铜、钼、铅锌银矿床的发现起到了重要作用。
The higher differential stress values are distributed in the large-medium scale Cu, Wo-Mo, Pb-Zn-Ag ore districts.
与大中型铜钨钼铅锌银矿相对应,出现差应力高值区。
The samples of snail and hyacinth were digested by HNO_3-HClO_4, Cu, Zn, Ni, Cr were detected by flame AAS, and Pb, Cd by furnace AAS.
用硝酸-高氯酸体系消解螺蛳和水葫芦样品,采用火焰原子吸收光谱法测定铜、锌、镍、铬,用石墨炉原子吸收光谱法测定铅、镉。
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。
TO Detect Cu, Zn, Pb, Cd, cr in fish and shrimp With Microwave Digestion and Wet Digestion by AAS.
分别用混合酸湿法消解和微波消解两种方法处理鱼虾样品,用原子吸收法测定样品中铜、锌、铅、镉、铬的含量。
The speciation analysis of the elements Cu, Zn, Pb, Cd, Cr and Arsenic was carried out among the surface sediment in different sea areas, different stations.
对不同海区、不同站位表层沉积物中Cu、Zn、Pb、Cd、Cr和As元素的各形态含量及分布特征进行了详细分析。
The content of dissolved trace metals (Cu, Pb, Zn, Cd) in the surface microlayer and subsurface water in the Nansha region was determined.
对南沙海区微表层和次表层中溶解态痕量金属铜、铅、锌、镉的含量进行了测定,并探讨了其与DOC的关系。
The content of dissolved trace metals (Cu, Pb, Zn, Cd) in the surface microlayer and subsurface water in the Nansha region was determined.
对南沙海区微表层和次表层中溶解态痕量金属铜、铅、锌、镉的含量进行了测定,并探讨了其与DOC的关系。
应用推荐