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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...
Production of biodiesel from palm fatty acid distillate using sulfonated-glucose solid acid catalyst
[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...
Production of biodiesel from palm fatty acid distillate using sulfonated-glucose solid acid catalyst
[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...
Application of GIS for the identification and demarcation of selective heavy metal concentrations in
[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...
Development of bis-thiobarbiturates as successful urease inhibitors and their molecular modeling stu
[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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