When condensation occurs in supersonic flow fields, the flow is affected by the latent heat released, and if the heat re......

AIM: Single nucleotide polymorphisms (SNPs) of uridinediphosphoglucuro -nosyltransferase 1A7 (UGT1A7) gene are associate......

Casing treatment is a widely employed technique to increase the stall margins of turbomachineries. In the last several d......

One of the most important causes of the freshwater shortage in estuarine area is the increasing seawater intrusion into ......

This paper proposes a kind of modulation architecture for wavelength-division-multiplexing passive optical network(WDM-P......

Beijing suffers from a severe lack of water: the quantity of water available per head is only one-thirtieth of the globa......

在所分析的5＇UTR序列中约19％的序列在阅读框1下含有AUG，约22％和24％的序列分别在阅读框2和阅读框3下含有AUG，而在3’UTR序列当中，无论是在......

土壤水分-物理性质是衡量土壤质量的重要指标。本文测定了岷江上游理县云杉人工林、灌木林、经济林和农耕地的土壤物理性质。结果......

应用ＰＣＲ技术从国内小牛胸腺基因组ＤＮＡ中克隆了１．０ｋｂ牛ａｓ１酪蛋白基因的上游调控序列，并进行了序列分析，发现有少量的缺失或突变，其ＴＡＴＡ框和ＣＡＡＴ框均未发生变异......

介绍了转子泵用新型零逸出非接触式机械密封的工作原理和技术优势,综合了其最新研究及开发成果,简要给出了其各自的使用条件及范围......