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[期刊论文] 作者:Muhammad AMIN,Muhammad AKBAR,Muhammad SALMAN,,
来源:Science in China(Series E:Technological Sciences) 年份:2007
The aging (biological deterioration) is a major problem of composite insulators now-a-days. The main thing in aging is to predict how, when and with what speed...
[期刊论文] 作者:Muhammad Babar Khan,Muhammad A,
来源:西南交通大学学报:英文版 年份:2007
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[期刊论文] 作者:Muhammad AMIN Muhammad AKBAR M,
来源:中国科学:技术科学英文版 年份:2007
The aging (biological deterioration) is a major problem of composite insulators now-a-days. The main thing in aging is to predict how, when and with what speed...
[学位论文] 作者:Muhammad Asif,
来源:云南大学 年份:2007
磷化铟(InP)基高电子迁移率晶体管(HEMT)是电流截止频率((fT)与最高振荡频率(fmax)同时大于1THz的晶体管。由于InP基HEMT器件具有高电子迁移率、高电子饱和速率和高的薄层电...
[学位论文] 作者:Muhammad Waqas,
来源:华南理工大学 年份:2007
一直以来,能源与环境问题都是全球范围内的热点问题。随着化石能源的日益枯竭和与之带来的环境污染等问题,开发廉价、来源广泛的清洁能源变得尤为重要。太阳能作为一种来源广泛......
[学位论文] 作者:Muhammad Ishtiaq,
来源:浙江大学 年份:2007
Traditionally, plant taxonomy uses morphological characteristics, secondary metabolites and molecular biomarkers to delimit boundaries within or between various taxa and demonstrate their taxon relati...
[会议论文] 作者:Muhammad Rizwan Javed,Raheela Perveen,Habibullah Nadeem,Muhammad Riaz,Muhammad Hamid Rashid,
来源:2007 Enzyme Engineering Conference(国际酶工程学术会议) 年份:2007
Cellulases are widespread group of enzymes hydrolyzing the glycosidic bonds and have wide applications in industries like textile,soap,laundry detergent,foo...
[会议论文] 作者:Muhammad Ramzan,Muhammad Anjum Zia,Tahir Mehmood,Muhammad Imran,Khalil ur Rehman,
来源:2007 Enzyme Engineering Conference(国际酶工程学术会议) 年份:2007
UV rays were used as mutagen in wild type strain of Aspergillus niger for enhanced production of glucose oxidase.After mutagenization and selection,mutant A...
[期刊论文] 作者:Muhammad MAHMOOD-UL-HASSAN,Mir,
来源:动物学报 年份:2007
横斑腹小鸮(Athene brama)是巴基斯坦旁遮普中部农业生态系统中最常见但研究匮乏的猛禽。我们通过分析吐弃块(n=498)以了解其季节性和地域性食性变化。结果显示:小型哺乳类占所有......
[期刊论文] 作者:Muhammad MAHMOOD-UL-HASSAN,Mir,
来源:动物学报 年份:2007
在巴基斯坦对仓鸮食性的季节变化进行了研究。通过分析连续3年在6个地区搜集的2 360个仓鸮回吐食物团,发现其食物主要是小型哺乳动物(95.6 %)。其中,家(Suncus murinus)有最高...
[期刊论文] 作者:Muhammad Khalil Shahid,,
来源:中国通信 年份:2007
Economic research shows that public infrastructure investment is a powerful driver of business productivity,investment,and economic growth.This paper discusses...
Seasonal variations of aerosols in Pakistan:Contributions of domestic anthropogenic emissions and tr
[学位论文] 作者:Muhammad Zeeshaan Shahid,
来源:南京大学 年份:2007
Air pollution has become a serious challenge for developing countries like Pakistan.Very scarce information is available regarding pollution levels in this geog...
[学位论文] 作者:Muhammad Ashfaq Ahmad,
来源:哈尔滨工业大学 年份:2007
与经典理论不同,光场的起伏主要取决于光的量子特性。这意味着相应的光场态具有在经典光场中并不存在的某些性质。正是由于这个原因,这样的光场通常称为非经典场,且非经典效应可......
[学位论文] 作者:Muhammad Asif Nawaz,
来源:中国科学院过程工程研究所 年份:2007
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[期刊论文] 作者:Muhammad Qadeer Sharif,,
来源:Journal of Electronic Science and Technology of China 年份:2007
This paper presents an efficient dynamic spectrum allocation (DSA) scheme in a flexible spectrum licensing environment where multiple networks coexist and inter...
[会议论文] 作者:Muhammad S.Abu Salih,
来源:The 15th International Conference of Forum for Interdiscipli 年份:2007
In this paper,a type of problem that lies outside the scope of the exponential family,is considered.For real valued Zis with density 1/σexp[-(z-μ)/σ]h(z-...
[学位论文] 作者:Syed Muhammad Adnan,
来源:中国科学院研究生院(本部) 中国科学院研究生院 中国科学院大学 年份:2007
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[会议论文] 作者:MUHAMMAD AZIM KHAN,
来源:第三届世界生态高峰会(Eco Summit 2007) 年份:2007
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[期刊论文] 作者:Muhammad Babar Khan,Muhammad Abrar Khan,Ayham Abdulsamad,,
来源:Journal of Southwest Jiaotong University(English Edition) 年份:2007
This paper reports experimental results regarding statically compacted clay specimens to study the volume change behavior of bentonites. The volume change indices such as the coefficients of compressi...
[会议论文] 作者:ZULFIQAR ALI,MUHAMMAD NAEEM KHAN,MUHAMMAD AKHTAR,RICHARD GARSTANG,
来源:第三届世界生态高峰会(Eco Summit 2007) 年份:2007
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