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[期刊论文] 作者:Umer Rashid,Muhammad Ibrahim,I, 来源:中国化学工程学报:英文版 年份:2016
Response surface methodology(RSM) was used to determine the optimum conditions of the methanolysis of crude poppy seed oil using Na OCH3 as catalyst. The experi...
[期刊论文] 作者:Lokman,Umer Rashid,, 来源:中国化学工程学报:英文版 年份:2015
丰满的酸精华(PFAD ) 被用于的一个手掌 biodiesel 生产。有效 sulfonated 葡萄糖酸催化剂(SGAC ) 被 sulfonation 准备催化酯化作用反应。三个变量的效果即臼齿的比率,催化剂...
[期刊论文] 作者:Umer Rashid,Muhammad Ibrahim,I, 来源:城市道桥与防洪 年份:2016
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Ibrahim M Lokman,Umer Rashid,Y, 来源:城市道桥与防洪 年份:2015
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Saba Noor,Muhammad Waseem,Umer Rashid,Muhammad Anis-ur-Rehman,Wajid Rehman,Khalid Mahmood,, 来源:Chinese Chemical Letters 年份:2014
We have prepared silica,SiO2coated NiO and NiO coated SiO2by sol-gel method.The physicochemical properties of the desired materials were investigated by surface...
[期刊论文] 作者:Sobia ASHRAF,Farhat ABBAS,Muhammad IBRAHIM,Umer RASHID,Shoaib KHALID,Hammad Raza AHMAD,Khalid Rehman, 来源:黑龙江科技信息 年份:2015
本文通过对荣华二采区10...
[期刊论文] 作者:Sobia Ashraf,Farhat Abbas,Muhammad Ibrahim,Umer Rashid,Shoaib Khalid,Hammad Raza Ahmad,Khalid Rehman, 来源:Journal of Geographical Sciences 年份:2015
Groundwater is the most appropriate and widely used source of drinking water,which is increasingly threatened by pollution from industrial and agricultural activities.To check the severity of the prob...
[期刊论文] 作者:Fazal Rahim,Muhammad Ali,Shifa Ullah,Umer Rashid,Hayat Ullah,Muhammad Taha,Muhammad Tariq Javed,Wajid, 来源:Chinese Chemical Letters 年份:2016
Bis-thiobarbiturate derivatives 1–15 have been synthesized, characterized by1 HNMR and EI-MS and screened for urease inhibition. All compounds showed various d...
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