Transformation of the external source lead compounds in soil;
外源铅化合物在土壤中的转化
One mixed-valent organolanthanide complex and four divalent organolanthanide complexes supported by amine bisphenolate and amine-amine bisphenolate ligands respectively were first synthesized and well characterized.
本文分别采用氮-桥连双酚基和芳氧基作为辅助配体,合成了一个混价稀土化合物、四个二价稀土化合物和一个三价阳离子型芳氧基稀土化合物,在明确它们结构的基础上,分别考察了其中几个催化己内酯的开环聚合。
workplace air-determination of particulate lead and lead compounds(flame atomic absorption spectormetric method)
工作场所的大气-铅和铅化合物-用火焰原子吸收光谱测定法测定颗粒性铅和铅化合物
any of several yellow pigments consisting of normal lead chromate and other lead compounds.
任何由常态的铬酸铅和其他铅化合物组成的黄色颜料。
Such organolead compounds are banned as petrol additives in some countries.
这样的有机铅化合物在一些国家中是被禁止作为汽油添加剂的。
galena [lead sulphide]
方铅矿〔铅硫化物〕
An alloy composed of lead, tin, and zinc
铅锡锌化合物由铅、锡和锌组成的一种合金
Synthesis and crystal structure of one-dimensional chain adduct:PbI_2(2,2′-bipy)
一维链状铅加合物2,2′-联吡啶碘化铅的合成与晶体结构
Study on Lead Chalcogenides and Na_xCo_2O_4 Thermoelectric Oxide Material;
铅的硫属化合物及氧化物Na_xCo_2O_4热电材料的研究
Development of Leadless Flux for Overglaze Color by Alkaline Earth Composite Instead of Lead Oxide;
碱土金属氧化物复合代替氧化铅研制无铅釉上彩熔剂
Thus, when the elements lead and sulfur are combined in the proper proportion, they form a compound called lead sulfide.
因此，当铅和硫以适当的比例结合在一起时，它们便形成了一种叫铅硫化物的化合物，
Moreover, there is still a third compound, red lead, the well-known paint.
此外，还有第三种化合物：红铅，是人们熟悉的颜料。
Separation and Controlling of Intermetallic Compounds in Lead-free Sn-Ag Solders;
Sn-Ag系无铅焊料中金属间化合物的形成与控制
The Study on Seawater Quality Criteria for Lead and Tributyltin Compounds;
金属铅与三丁基锡化合物海水水质基准研究
Study of Intermatallic Compounds and Kirkendall Voids in Solder Joints of Lead-free Solder
无铅焊点界面化合物及Kirkendall空洞实验研究
The Morphology and Aging Evolution of IMC in low-Ag SnAgCu Soldering
低银无铅焊点的界面化合物形貌与演变
One may conclude that these two materials exist as a chemical mixture with distinct particles of lead oxide and lead.
人们可以认为这两种物质是作为一种化学混合物而存在的，它具有明显的氧化铅和铅的颗粒。
Cytogenetic and Oxidative Damage of Aluminum, Lead and Cadmium in the Simulated Acid Rain to Plants;
模拟酸雨中的铝、铅、镉化合物对植物的氧化损伤和遗传损伤效应
One is a compound, the other an element, yet both galena and native lead are minerals.
方铅矿和自然铅，虽然一种是由化合物构成，另一种是由单元素构成，但它们二者都是矿物。
Nano Sized CdS and PbS Particles:Preparation by Coupling of Biological Reduction and Chemical Precipitation Mediated with EDTA
生物还原-化学沉淀耦合反应制备纳米硫化镉和硫化铅