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1.The effects of hydrofoil impeller on erythromycin fermentation and variation of fermentation parameter such as broth viscosity, dissolve oxygen, fermentation unit, power consumption on the scale of 20 ton fermentor, etc. with time were studied.
摘要在20t工业发酵罐中，研究了翼形轴流桨搅拌对红?素发酵过程的影响，重点考察了粘度、溶氧、效价等过程参数变化，以及搅拌功耗与发酵产量之间的关系。收藏指正
2.Pearson (1998) draws the conclusion, "no matter what ship type it is, with the increase of the scale of ship, the hipping cost of every load ton or every case is reduced ".
皮尔逊(Pearson,1998)得出结论,“不论什么船型,随着船舶规模的增加,船舶在每载重吨或每箱的海上成本也随之而降低”。收藏指正
3.A branch company of Shandong Chuanyang Group Co.,Ltd, which produces one million ton of steel and iron each year,produce 300thousnad ton of metal abrasive products,such as steel shot,steel grit and steel cut wire shot,with its scale and qualiy in the lead of the industrial in china.
山东传洋金属磨料有限公司是山东传洋集团有限公司的下属公司，公司依附于年产100万吨钢铁能力的集团公司，可年产30万吨规格种类齐全的铸钢丸、铸钢砂、钢丝金属切丸等金属磨料，其生产规模，产品质量领先国内同行水平。收藏指正
4.30"is the project to produce 18ton/year synthetic ammonia and 30ton/year urea.The key equipment in the project are the copressor for the mixed gases of nitrogen and hydrogen and the compressor for carbon dioxide.Reciprocating compressor as well as centrifugal compressor can be selected for this project.The different opinions for the selection of the compressor existed in 8medium scale fertilizer plants in which coal is used as the raw material.From the points of technology and cost,the analysis and comparison of using these two kinds of compressor were carried out.It is concluded that reciprocating pump is more appropriate.
工程就是建成年生产能力达到18万吨合成氨、30万吨尿素的项目,项目中的关键设备为氮氢气压缩机及二氧化碳压缩机,压缩机选型正介于往复式压缩机和离心式压缩机之间,国内各设计院在八家立项的以煤为原料的中化肥厂‘18.30’工程初步设计中选何种类型的压缩机争论不休,本文从技术及经济的角度对此作了分析比较,并推荐采用往复式压缩机,以供参考。收藏指正
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