搜索筛选:
搜索耗时0.0398秒,为你在为你在61,042,058篇论文里面共找到 8 篇相符的论文内容
类      型:
[学位论文] 作者:Iraj Vosoughi Niri,, 来源:中南大学 年份:2003
研究区域-沃溪金锑钨矿位于湘西沅陵县沃溪镇内。矿区位于东经110°54′北纬28°32′,面积12平方公里,距常德市西南114公里,距沅陵县东79公里。矿区构造可分为弧形、WE向和NE向...
[期刊论文] 作者:Iraj Vosoughi Niri, 来源:Journal of Central South University of Technology(English Ed 年份:2002
In this research, major and immobile minor and trace elements are used to study the petrology of Yamaghan deposit. Some major elements of least altered samples...
[期刊论文] 作者:Iraj Mohammadpoor-Baltork,Maji, 来源:中国化学快报 年份:2004
An efficient, convenient and green method has been introduced for the preparation of 14-aryl(alkyl)-14H-dibenzo[a,j]xanthene and 1,8-dioxooctahydroxanthene deri...
[期刊论文] 作者:Iraj Vosoughi-Niri,TANG Jing-t, 来源:中国有色金属学会会刊 年份:2004
Gold mineralization in the Tanghuping Prospect was the target of the geophysical exploration. The mineralization shows close relation with geological structures...
[期刊论文] 作者:Azam Abdolnia,Iraj Maghfouri M, 来源:黑龙江科技学院学报 年份:2015
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Ramin Naghdi,Iraj Bagheri,Reza, 来源:林业研究(英文版) 年份:2004
调查了集材道坡度和运输量对2个土层(0-10和10-20cm)干扰.试验共设置4个运输水平(2,7,12和20次)、2个坡度(20%)和2个土层深度(0-10和10_20 cm).结果表明,集材机运输、纵向坡度...
[期刊论文] 作者:Iraj Mohammadpoor-Baltork,Majid Moghadam,Valiollah Mirkhani,Shahram Tangestaninejad,Hamid Reza Tavakoli, 来源:Chinese Chemical Letters 年份:2011
An efficient,convenient and green method has been introduced for the preparation of 14-aryl(alkyl)-14H-dibenzo[a,j]xanthene and 1,8-dioxooctahydroxanthene deriv...
[期刊论文] 作者:Farhad Shirini,Gholam Hossein Imanzadeh,Seyyed Ali Reza Mousazadeh,Iraj Mohammadpoor-Baltork,Masoumeh, 来源:Chinese Chemical Letters 年份:2010
A mild and efficient method for the conversion of alcohols to their corresponding methoxymethyl ethers and acetates using benzyltriphenylphosphonium tribromide(...
相关搜索: