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[期刊论文] 作者:SONG Yong-hui,Hermann H. HAHN,,
来源:环境科学学报 年份:2004
For phosphorus (P) recovery from wastewater, the effect of humic substances (HS) on the precipitation of calcium phosphate was studied. Batch experiments of cal...
[期刊论文] 作者:David H. Burk,Ruiqin Zhong,
来源:植物学报(英文版) 年份:2004
It has been known that the transverse orientation of cortical microtubules (MTs) along the elongation axis is essential for normal cell morphogenesis, but wheth...
Petrologic and geochemical characterization and mineralization of the metavolcanic rocks of the Heib
[期刊论文] 作者:Ibrahim H. Khalifa,Mohammed Z.,
来源:地学前缘 年份:2004
Metavolcanic rocks hosting base metal sulphide mineralization,and belonging to the Kid Metamorphic Complex,are exposed in the Samra-Tarr area,Southern Sinai.The...
[期刊论文] 作者:Li-Na DONG,Alexandra H. WORTLE,
来源:植物分类学报 年份:2004
DNA barcoding is becoming an increasingly popular means to identify species. The obscure discrimination in the genus Pterygiella calls into question the re-asse...
[期刊论文] 作者:ALEXANDER H. DE HAAS,HENDRIKUS,
来源:神经损伤与功能重建 年份:2004
与中枢神经系统的空间结构高度一致,大部分的中枢神经系统疾病表现为区域性分布.虽然小胶质细胞已被公认在各种中枢神经系统疾病中发挥重要的作用.但是小胶质细胞是否表现为...
Estimation and comparison of night-time OH levels in the UK urban atmosphere using two different ana
[期刊论文] 作者:M.Anwar H. Khan,M.M.Nazmul Hoq,
来源:环境科学学报(英文版) 年份:2004
Night-time OH levels have been determined for UK urban surface environments using two methods, the decay and steady state approximation methods. Measurement dat...
[期刊论文] 作者:Tomohide Hori,Justin H. Nguyen,
来源:国际肝胆胰疾病杂志(英文版) 年份:2004
BACKGROUND:?Three types of progressive familial intrahepatic cholestasis (PFIC) have been identiifed, but their etiologies include unknown mechanisms. DATA?SOUR...
α-Fe2O3 nanoparticles: An efficient, inexpensive catalyst for the one-pot preparation of 3,4-dihydro
[期刊论文] 作者:H. Nagabhushana,S. Sandeep Sau,
来源:中国化学快报(英文版) 年份:2004
This paper describes the combustion synthesis of α-Fe2O3 nanopowder at much lower temperature and its catalytic activity for the one-pot preparation of 3,4-dih...
[期刊论文] 作者:Pak-Tao Leung,Carl H. Gibson,
来源:Chinese Journal of Oceanology and Limnology 年份:2004
Turbulence is defined as an eddy-like state of fluid motion where the inertial-vortex forces of the eddies are larger than any of the other forces that tend to...
[期刊论文] 作者:Rolf H. Luchsinger,Mauro Pedre,
来源:仿生工程学报(英文版) 年份:2004
Structural stabilization by a pressurized fluid is very common in nature, however hardly found in technology. Car tires, hot air balloons, airships and airhouse...
[期刊论文] 作者:H. ROGERS,
来源:动物学报 年份:2004
本研究报道了1979年以来南非克留格尔国家公园暂时性沼泽边界对马羚(Hippotragus equinus equinus)种群下降的影响.干旱和由此导致的生境退化以及随之产生的食草动物之间的采...
[期刊论文] 作者:Mario Berges,Ethan Goldman,H.,
来源:清华大学学报(英文版) 年份:2004
The growing interest in energy-efficient buildings is driving changes in investment, design, and occupant behavior. To better focus cost and resource conservati...
[期刊论文] 作者:SEIFZADEH,H. BASHARNAVAZ,D.,
来源:中国有色金属学报(英文版) 年份:2004
运用电化学方法研究一种水杨酸Schift 碱化合物(Salcn)对AZ91镁合金在30%乙二醇水溶液(30%EG/W)中的腐蚀行为的抑制作用。用扫描电镜观察合金在30%乙二醇水溶液(30% EG/W)中...
Linkage of the cholesterol 7α-hydroxylase gene and low-density lipoprotein cholesterol conditional o
[期刊论文] 作者:Jing-Ping Lin,Richard H. Myers,
来源:中华医学杂志(英文版) 年份:2004
Background Genetic factors account for approximately 50% of the individual variation in plasma low-density lipoprotein cholesterol (LDL-C) concentrations in the...
Pseudo-dynamic analysis of seismic stability of reinforced slopes considering non-associated flow ru
[期刊论文] 作者:H. Shafie,
来源:中南大学学报(英文版) 年份:2004
The required reinforcement force to prevent instability and the yield acceleration of reinforced slopes are computed under seismic loading by applying the kinem...
Enhancement of natural convection heat transfer from a fin by triangular perforation of bases parall
[期刊论文] 作者:Abdullah H. AlEssa,Mohamad I.,
来源:应用数学和力学(英文版) 年份:2004
This study examines the heat transfer enhancement from a horizontal rect- angular fin embedded with triangular perforations (their bases parallel and toward the...
[期刊论文] 作者:Abhishek Pandey,Nicolas H. You,
来源:高电压技术 年份:2004
An analysis of underground power cables is performed using Fourier analysis with the objective of detecting fault and average life of the cables. Three types of...
[期刊论文] 作者:Mohammad H. FOTOKIAN,Kayvan AG,
来源:水稻科学(英文版) 年份:2004
A study of combining ability for improving rice cooking quality was carried out via genotype plus genotype × environment (GGE) biplot. Four restorer lines and...
[期刊论文] 作者:LIU Jian-xin,H. A. KUHN,
来源:中国有色金属学会会刊(英文版) 年份:2004
The challenge to rapid manufacturing high performance metal components is how to consolidate the uncompressed powder preforms to full or near full density witho...
[期刊论文] 作者:Harold,Katherine H.,
来源:心理学报 年份:2004
本文介绍一个可以用于研究遗传与环境互动的新颖方法.此研究收集了上千个4~10岁儿童的数据.这些儿童的出生都借助于不同的辅助受孕技术(Assisted Reproductive Technologies),...
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