The Cu Pb clad samples were used to simulate the strands with liquid core and the deformation characteristics of the sample in the rolling process were investigated by visio plasticity (mesh) method.
用视塑性(网格)方法研究了铜复铅芯模拟样品轧制时的变形行为,与无铅芯的样品进行了比较,由此了解带液芯连铸坯轻压下时的变形特征。
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。
METHODS Using atomic absorption spectroscopy to determine the content of Pb, Cd, Cu, as and Hg in AMK samples collected from 12 different areas.
方法收集12个不同产地的白术样品,以原子吸收光谱法测定样品中的铅、镉、铜、砷和汞的含量。
The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.
采用ICP—AES法准确、快速地测定电锌中的铝、铅、铜、镉、铁、锡等微量元素,并对方法的准确度和精密度进行了检验。
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。
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 and Pb ions in the alloy plating bath and composition of its deposits.
此法已被成功应用于测定锡-铜-铅合金电镀液及其镀层中的锡、铜和铅。
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。
Methods the atomic absorption spectrophotometry (AAS) was used to determine the content of Pb, Cr, as, Hg and Cu in decoction and artificial gastric juice of Fluorite.
方法采用原子吸收分光光度法对紫石英在水煎液和人工胃液中铅、镉、砷、汞、铜的含量分别进行测定。
Therefore, keeping clean in workshop and regulating the metal constitution of rolling machine could reduce the Pb and Cu pollution during tea processing.
因此,保持加工场所的清洁卫生和调整揉捻机揉筒和揉盘的金属组成是降低茶叶加工过程中铅和铜污染的有效途径。
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。
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。
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。
The results showed that sulphur and re can refine the microstructure of Cu-Pb alloy, but its fatigue strength decreases with the increase of sulphur, and increases with re.
结果表明,硫和稀土都能使铜铅合金组织细化,但硫降低其疲劳性能,而稀土能提高其疲劳性能。
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。
The effect of processing on the Pb and Cu pollution of tea was studied in this paper.
研究了初制加工对茶叶铅和铜污染的影响。
This paper studies the absorption, mainly the interaction, of Cu and Pb for clover by potted plant experiments.
采用盆栽实验就三叶草对铜和铅的吸收进行了研究,重点探讨了三叶草吸收两种重金属之间的交互作用。
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。
Cu and Pb in grape wine were detected by FAAS, and the method digesting on grape wine was researched.
本文用火焰原子吸收光谱法测定葡萄酒中的铜、铅,并对葡萄酒消解方法进行了研究。
Methods Microwave digestion of samples with different digestion conditions and atomic absorption spectrometry were used to determine Pb, As, cr, Cd and Cu contents in 75 kinds of cosmetics.
方法微波消解75种化妆品,原子吸收分光光度法测定化妆品中重金属铅、铬、砷、镉和铜的含量,试验了不同消解条件对消解效果的影响。
Methods Microwave digestion of samples with different digestion conditions and atomic absorption spectrometry were used to determine Pb, As, cr, Cd and Cu contents in 75 kinds of cosmetics.
方法微波消解75种化妆品,原子吸收分光光度法测定化妆品中重金属铅、铬、砷、镉和铜的含量,试验了不同消解条件对消解效果的影响。
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