sodium carbonate造句
31. 10 % sodium carbonate solution ( 50 ml ) and then with water ( 50 ml ), after which It'solidifies.
32. Similarly, if the gypsum is replaced by sodium sulfate, the sulphur and sodium carbonate solution can be obtained. And the soda can be produced by further processing.
33. The silk fibroin was deglued to remove the outside glue - like components in sodium carbonate solution.
34. In chemical industry , alkali is used to produce soluble glass , light and heavy sodium carbonate , etc. In metallurgy it is used as flux .
35. Content of the project: utilize CO2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc.
36. The catalytic behavior of sodium carbonate was analyzed and discussed in terms of structure component of wood .
37. Hard water which can be softened by adding sodium carbonate is called permanent hard water.
38. Objective : To study a improved method on determination of chlorine in sodium carbonate as food additive.
39. In this paper, the reactive theory of the preparation of sodium hypophosphite by one-stage process taking phosphor , calcium oxide and sodium carbonate as raw material is introduced.
40. Using sodium carbonate and calcium oxide as cheap acid-capturer, perfume furfuryl butyrate was synthesized from furfuryl alcohol and butyryl chloride, and was characterized by GC and IR.
41. Relative error to analyse is 0.2 %, settled accuracy and reappear in measuring sodium carbonate.
42. Non-pollution roasting technology by using sodium carbonate, calcium oxide, red mud and lime mud as roasting additives for extraction of vanadium from siliceous navajoite was studied.
43. Because the alkali waste mainly contains sodium sulphide, sodium carbonate and some organic matters, which restrict the comprehensive utilization of alkali waste.
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