Studying on some plant cobalt aqueous phase, it carried out high-purity cobalt oxide or cobalt oxalate preparation tests in the laboratory.
以某厂含钴水相为研究对象，在实验室开展了高纯氧化钴或草酸钴的制备试验。
Most allelochemicals in continuous and alternate cropping soils are the same as those in the root exudates, decomposed root stubs and aqueous extracts from plant shoots of soybean.
重迎茬土壤中的化感物质种类多与大豆根系分泌物、根茬腐解产物、地上部水浸物中的化感物质相同。
This article analyses the cause of high energy consumption of urea plant with aqueous solution total recycle process and the feature of modified aqueous solution process.
分析水溶液全循环法尿素装置能耗高的原因，介绍改进型溶液法的特点。
Oily waste and Plant aqueous effluent collection, storage, treatment and disposal.
含油污水和工厂污水的收集，储存，处理及排放。
The technological feasibility of SO2 removal from tail gas of single-absorption H2SO4 plant with aqueous pyrolusite suspension as absorbent and commercial MnSO4 as byproduct is examined.
研究用软锰矿的水悬浮液脱除一转一吸硫酸生产尾气中的SO 2并副产工业硫酸标的工艺可行性。
The technological feasibility of SO2 removal from tail gas of single-absorption H2SO4 plant with aqueous pyrolusite suspension as absorbent and commercial MnSO4 as byproduct is examined.
研究用软锰矿的水悬浮液脱除一转一吸硫酸生产尾气中的SO 2并副产工业硫酸标的工艺可行性。
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