1.
Before the wide spread adoption of contact process, the chamber process was used.
在接触法普遍采用之前，使用铅室法。
2.
Most plants therefore used several reactor stages( with coolers between the reactors) so that the heat produced does not drive the reaction backwards.
早期的铅室法工艺中用二氧化氮来氧化二氧化硫，尽管在实际生产中用的是氮氧化物的混合物。
3.
THE APPLICATION OF LEADING ADIT IN YBVSHAN MINE
导坑——留矿法开挖硐室在银山铅锌矿的应用
4.
A New and Convenient Method for the Preparation of Anhydrous Plumbous Acetate;
实验室制备无水醋酸铅的一种简易方法
5.
Improvement of Analysis Way on the Content of Pb in the Raw Lead and Pb-Sb Alloys;
粗铅及铅锑合金中铅含量分析方法的改进
6.
A research on lead and strontium co-deposition chelatometric titration in lead concentrate
铅精矿中铅的铅锶共沉淀络合滴定法研究
7.
Influence of Gradual Increasing the Weight of Shot on Shot Teaching
递增铅球重量铅球教学法的实验研究
8.
Aplataer process
热镀锌法 -铅锌法热镀锌
9.
Laboratory Study of No 4 Gold Ore Body Mining by Leaching in Shuikoushan Lead and Zinc Mine
水口山铅锌矿4~#金矿体矿石室内试验
10.
leadalpha age method
铅-α粒子年代测定法
11.
Pattinson process
帕廷森粗铅结晶除银法
12.
uranium lead age
铀 铅法测得的年龄
13.
thorium lead age
钍 铅法测得的年龄
14.
Methods for chemical analysis of lead concentrates--The Na2EDTA volumetric method for the determination of lead content
GB/T8152.1-1987铅精矿化学分析方法Na2EDTA容量法测定铅量
15.
Leaching-Electrowinning Process of Extraction of Metallic Lead from Lead Bearing Wastes and Low-grade Lead Oxide Ore;
碱浸—电解法从含铅废物和贫杂氧化铅矿中提取铅工艺及机理
16.
Discussion on Method of Lead Determination Using Lead Nitrate and Metallic Lead as Reference Substances
硝酸铅和金属铅作为对照品测定铅含量方法的探讨
17.
Determination of High Content Lead in Lead Concentrates by AAS
原子吸收分光光度法测定铅精矿中高含量铅
18.
THE COLLECTION OF LEAD WITH GLASS FIBER FILTER-TUBE AND LEAD FLUE PRE-TREATMENT
玻璃纤维滤筒采集铅尘、铅烟预处理方法