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[期刊论文] 作者:王其凤,Wang Qifeng,, 来源:西藏科技 年份:2009
水泥助磨剂是水泥产业链中的一个小产品,已成为许多水泥生产企业粉磨生产过程中必不可少的原料之一,能为水泥企业带来实实在在的效益,主要作用是提高水泥粉磨系统的台时产量...
[期刊论文] 作者:Shanhua Xu,Youde Wang,Qifeng X, 来源:哈尔滨工业大学学报:英文版 年份:2015
A set of evaluation indicators based on corrosion ratio in theory for assessing the extent of pitting corrosion and performance reduction are proposed. In order...
[期刊论文] 作者:Shanhua Xu,Youde Wang,Qifeng Xue,, 来源:Journal of Harbin Institute of Technology 年份:2015
A set of evaluation indicators based on corrosion ratio in theory for assessing the extent of pitting corrosion and performance reduction are proposed. In order...
[期刊论文] 作者:Hongxiang Zhu,Shuangfei Wang,Qifeng Yang,Shangyong Nong, 来源:天津科技大学学报 年份:2004
This paper describes a study about the synthesis of self-fixed sizing agent and gives a detailed example about this kind of sizing agents practical operation.Th...
[期刊论文] 作者:JIANG Zhe,CHEN YaoSong,AN Yi Ran,WANG QiFeng,, 来源:Science China(Technological Sciences) 年份:2016
There is a growing interest in propellers for transport aircraft as well as regional airliners from the viewpoint of energy saving. An important consideration f...
[期刊论文] 作者:Ameer Hussain Jarwar,Xiaoyan WANG,Long WANG,Qifeng MA,Shuli FAN,, 来源:Asian Agricultural Research 年份:2017
The present research was conducted in Line X tester analysis for estimating combining ability and heterotic effects,restorers malesterile(CMS) crossed with seve...
[期刊论文] 作者:Bing Chen,Jing Wang,Qifeng Wu,Gang Wang,Jing Zhao,Huanyong Han,Fangyong Wang, 来源:Plant Diseases and Pests(植物病虫害研究:英文版) 年份:2021
[Objective] The paper was to study the effect of chemical-controlled topping technology on spectral and photosynthetic characteristics of cotton. [Method] Two row spacing configurations and four topping treatments were set in the experiment......
[期刊论文] 作者:Jiaqi FAN,Changjie YU,Kaida REN,Wanbing LIN,Stella NG,Zexin CHEN,Xinping LIN,Lihan WANG,Qifeng ZHU,Yuxin, 来源:浙江大学学报(英文版)(B辑:生物医学和生物技术) 年份:2021
Aortic stenosis (AS) is a progressive heart valve disease occurring predominantly in older patients. According to a survey in a western country, the prevalence...
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