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[期刊论文] 作者:MA DaWei,ZHU RenBin,DING Wei,S,
来源:极地科学进展 年份:2004
Phosphatase plays an important role in the microbial liberation of phosphorus in soil systems.In this study,alkaline phosphatase activity (APA) was investigated...
Evaluation of genetic diversity and relationships within and between two breeds of duck based on mic
[期刊论文] 作者:Fei Wu,Yinghua Huang,Ying Ma,S,
来源:自然科学进展(英文版) 年份:2004
The genetic diversity of two natural populations (M, N-) of Beijing duck (Anas platyrhynchos) and 11 artificially selected lines of Bei-jing duck (A, B, E-L, O)...
Different Aggregation Behaviors of Tetra- (4-hydroxyphenyl) Porphyrin (THPPH2) in the Inner Core and
[期刊论文] 作者:Chen MA,Yun Hong ZHANG,Chang S,
来源:中国化学快报(英文版) 年份:2004
The UV-Vis spectra of THPPH2 in CTAB micelles at pH7.2 and pH11.0 were analyzed to study the effect of micellar environments on the aggregation behaviors of thi...
In situ scanning electron microscopy observation of deformation and fracture behavior of Ti-3Zr-2Sn-
[期刊论文] 作者:MA Xiqun,YU Zhentao,HAN Yong,S,
来源:稀有金属(英文版) 年份:2004
The plastic deformation and fracture processes of Ti-3Zr-2Sn-3Mo-25Nb alloy for surgical implants were directly observed by in situ scanning electron microscopy...
[期刊论文] 作者:Zhan-lei wu,Ru Zhang,Ma Zhao,S,
来源:矿物冶金与材料学报 年份:2004
The acetone-sensing properties of the undoped and Pd doped perovskite-type oxides NdFeO3 were investigated from room temperature to 400℃.The perovskite-type Nd...
[期刊论文] 作者:Yang Wei Ma Qiufeng Li Wenjian,
来源:近代物理研究所和兰州重离子加速器实验室年报:英文版 年份:2004
Water occupies over 70% in a cell and clouds cover approximately 60% of the earth's surface. The radiation of high-energy particles (γray, heavy ions,...
Histological analysis and clinical observation of phrenic nerve cryotherapy following pulmonary rese
[期刊论文] 作者:Yongfu Ma,Yang Liu,Xueliang Ya,
来源:中国神经再生研究(英文版) 年份:2004
BACKGROUND: Residual postoperative pleural spaces (RPPS) are often encountered during pulmonary resection; this could adversely affect the outcome and prolong r...
Catalytic oxidation of soot particulates over MnO_x-CeO_2 oxides prepared by complexation-combustion
[期刊论文] 作者:Wenjuan Shan,Na Ma,Jiali Yang,,
来源:天然气化学(英文版) 年份:2004
MnO_x-CeO_2 oxides prepared by complexation-combustion method were used for soot oxidation.The highest conversion rate of soot was obtained on a MnO_x-CeO_2 oxi...
[期刊论文] 作者:GUO Chun-yu,MA Ning,YANG Chen-,
来源:水动力学研究与进展B辑 年份:2004
A podded propulsor in viscous flow is numerically simulated in this article.The region of fluid is divided into efficient calculation grids.The pressure and vis...
[期刊论文] 作者:Guan Haiqing,MA Yitai,YANG Jun,
来源:天津大学学报(英文版) 年份:2004
To improve the coefficient of performance (COP) of CO 2 transcritical reverse cycle and determine the most efficient cycle, comparison analysis on single- and t...
[期刊论文] 作者:Wang Shuo,Yang Shanlin,Ma Xiju,
来源:中国工程科学(英文版) 年份:2004
Multidimensional grey relation projection value can be synthesized as one-dimensional projection value by u-sing projection pursuit model.The larger the project...
[期刊论文] 作者:MA Fang,YANG Hai-yan,WANG Hong,
来源:哈尔滨工业大学学报(英文版) 年份:2004
Bacteria separated from a mature filter bed of groundwater treatment plants were incubated in a culture media containing iron and manganese. A consortium of 5 s...
[期刊论文] 作者:Sun Hongwei,Ma Yulin,Yang Xu,
来源:高技术通讯(英文版) 年份:2004
The importance of the numerical model for sculptured part machining based on virtual environment is introduced. Meanwhile, the general frame of the numerical mo...
[期刊论文] 作者:YANG Chen,MA Wen-ping,WANG Xin,
来源:中国邮电高校学报(英文版) 年份:2004
Ju et al proposed a certificateless signature scheme with instantaneous revocation by introducing security mediator (SEM) mechanism. This article presents a det...
Recruitment of stem cells by hepatocyte growth factor via intracoronary gene transfection in the pos
[期刊论文] 作者:YANG ZhiJian,WANG Wei,MA DongC,
来源:中国科学C辑(英文版) 年份:2004
We aim to study the amelioration effect of adenovirus5-mediated human hepatocyte growth factor gene transfer on postinfarction heart failure in swine model. Twe...
[期刊论文] 作者:ZHU Li-nan,MA Jun,YANG Shi-don,
来源:环境科学学报(英文版) 年份:2004
A new process for removing the pollutants in aqueous solution-activated alumina bed in pulsed high-voltage electric field was investigated for the removal of ph...
[期刊论文] 作者:MA Hao,YANG Hong-yu,ZOU Jun-ji,
来源:中华医学杂志(英文版) 年份:2004
Background Sufficient length of the proximal landing zone (PLZ) is the key for a successful thoracic endovascular aortic repair (TEVAR) of an aortic lesion. The...
Inhibition of nitric oxide synthase lowers fatty acid oxidation in preeclampsia-like mice at early g
[期刊论文] 作者:MA Rui-qiong,SUN Min-na,YANG Z,
来源:中华医学杂志(英文版) 年份:2004
Background Preeclampsia is one of hypertensive disorders in pregnancy. It is associated with abnormal lipid metabolism, including fatty acid oxidation metaboli...
Properties study and phylogenetic analysis of a bacterial strain with high de-emulsification efficie
[期刊论文] 作者:HOU Ning,YANG Ji-xian,MA Fang,,
来源:哈尔滨工业大学学报(英文版) 年份:2004
For further practical application,the phylogenetic analysis and de-emulsification properties study of strain XHl with high de-emulsification efficiency isolated...
Construction, Expression and Characterization of a Chimeric Protein Targeting Carcinoembryonic Antig
[期刊论文] 作者:LI Yang,HUA Shu-cheng,MA Cheng,
来源:高等学校化学研究(英文版) 年份:2004
The carcinoembryonic antigen(CEA) is an oncofetal glycoprotein known as an important clinical tumor marker and is overexpressed in several types of tumors, incl...
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