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目的:探讨积雪草苷（AS）对染矽尘大鼠肺纤维化的干预作用及可能的作用机制。方法:144只雄性SD大鼠随机分为对照组、模型组、阳性药物......
Effect of SMAD7 gene overexpression on TGF-β1-induced profibrotic responses in fibroblasts derived f
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以头孢曲松为目标化合物,探索其在氯消毒处理中的转化机理.结果显示头孢曲松在氯化处理中主要发生两种反应,一种为氧化反应,另一种......
The petroleum industry comprises extensive production operations which produce 5.5 billion tons a year of petro- leum fe......
Crystallization, Mechanical, Thermal and Rheological Properties of Polypropylene Composites Reinforc
Polypropylene(PP) composites containing magnesium oxysulfate whisker(MOSw) or lauric acid(LA) modified MOSw(LAMOSw) were......
Silica nanoparticles have been prepared from tetraethylorthosilicate dissolved in ethanol followed by base-catalyzed con......
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目的探讨芪参益气滴丸对心肌缺血大鼠的心肌保护作用及作用机制。方法选择健康清洁级雄性SD大鼠60只，按随机数字表法分为假手术组、......
Expression,purification and molecular modeling of iron-containing superoxide dismutase from Acidithi
The superoxide dismutase(SOD)from Acidithiobacillus ferrooxidans may play an important role in its tolerance to the extr......
Three-dimensional suboptimal guidance law for fly-over and shoot-down smart ammunition via virtual t
An optimal burst height is required for the fly-over and shoot-down smart ammunition with an EFP warhead at the instant ......
Robust algorithm of direction of arrival estimation for coherent wideband sources in unknown correla
A robust algorithm of direction of arrival (DOA) estimation for coherent wideband sources in unknown correlated noise fi......
FORCED VIBRATIONS WITH INTERNAL RESONANCE OF A PIPE CONVEYING FLUID UNDER EXTERNAL PERIODIC EXCITATI
Applying the multidimensional Lindstedt-Poincaré (MDLP) method, we study the forced vibrations with internal resonance ......
A Methodology for Mapping and Partitioning Arbitrary N-Dimensional Nested Loops into 2-Dimensional V
A new methodology is proposed for mapping and partitioning arbitrary n-dimensional nested loopalgorithms into 2-dimensi......
Nepheline syenite is an important potassium-rich rock resource.Nepheline syenite powder was decomposed successfully by h......
The pressure fluctuation in the flow passage of both impeller and casing is addressed on design condition.The initial co......
The activated alumina as a catalyst carrier were widely used in automotive exhaust catalysts under high temperature,such......
The kinetics of austenite formation in a new type of copper-bearing steel with initial microstructure composed of ferrit......
A cellular automata model was used to study the diffusion characteristics in the corrosion film at a mesoscopic scale. T......
UNFTOOLS - An Auxiliary Plotting Code of UNF Code and the Intercomparison of the Double Differential
Introduction During the years from 1990 to 1992, the code UNF was already developed by Zhang Jingshang. In the recent y......
目的:探讨氟伐他汀(fluvastatin,Flu)对腹膜透析(peritoneal dialysis,PD)大鼠腹膜组织形态影响的初步研究。方法:通过SD雄性大鼠(......
Liulichang is a colorful street in Beijing that also has a colorful name, literally. Located near Hepingmen,in the Chong......
Thermo-mechanical process and continuous cooling process were carried out on 20 CrNi2MoV steel. Three cooling rates were......
The periodicity of a general matrix modular transformation is discussed, and a simple proof of a sufficient and necessa......
Spatial Differences and Influencing Factors of Dissolved Gaseous Mer-cury in the Yellow Sea and Boha
From 28 March to 17 April, 2018, different forms of mercury (Hg) in the Yellow Sea and Bohai Sea were measured to study ......
High efficient expression of Lhcb2 gene from pea in E. coli and reconstitution of its expressed prod
Lhcb2 gene from pea (Pisum sativum L.) was subcloned into bacterial expression vector pET-3d, and its protein overexpre......
Bifurcation suppression of nonlinear systems via dynamic output feedback and its applications to rot
This paper deals with the problems of bifurcation suppression and bifurcation suppression with stability of nonlinear sy......
Signal Delay Reconstruction Method Based on Dynamic Index and Complex-Coefficient Lagrange Interpola
This paper presents a large-range, highprecision and continuously variable delay reconstruction method for wideband and ......
In this paper satisfactory control for discrete-time linear periodic systems is studied.Based on a suitable time-invaria......
Simultaneous stabilization of a class of nonlinear descriptor systems via Hamiltonian function metho
This paper studies simultaneous stabilization of a class of nonlinear descriptor systems via the Hamiltonian function me......
Validation is one of the most important processes used to evaluate whether remotely sensed products can accurately refle......
A macroscopic multi-mechanism based constitutive model for the thermo-mechanical cyclic degeneration
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......
目的通过观察转化生长因子－α（transforming grow thfactoralpha ，TGF －α）、基质金属蛋白酶－9（matrix metalloproteinase－9，MMP －9）、细胞周......
目的 探讨黄芪甲苷对皮肤光老化的保护机制.方法 BALB/c小鼠分为模型组、模型+基质组、模型+黄芪甲苷组、正常对照组.RT-PCR测定转......
目的 研究RGC-32(response gene to complement 32)在IgA肾病(IgAN)儿童及正常肾组织中的表达及其意义.方法 用免疫组织化学方法观......
目的 拟判断尿液中转化生长因子(TGF)-β1,巨噬细胞炎症蛋白(MIP)-lα和中性粒细胞明胶酶相关脂质运载蛋白(NGAL)与狼疮肾炎病理的......
针对阀控液压激振低能效的缺陷，提出一种新的激振方法。以作动缸、液压变压器和液压马达组成闭式回路，作动缸活塞杆连接振体，液压马达......
地铁杂散电流会由土壤中的接地网流经变压器中性点从而引发变压器直流偏磁现象。为研究地铁杂散电流对变压器直流偏磁的作用机理,......
目的合理改造公立医院传统模式下办理出入院的就医流程,改善患者就医环境,减少患者排队等候时间,提升服务水平及患者服务体验,提高......
为了促进技术成果转化为现实生产力从而实现创新驱动发展,有必要对技术成果的综合价值进行准确测度。但基于微观数据的针对特定技......
高压配电柜作为电力系统的重要组成部分,对于电力的正常稳定供应有着重要的意义。在实际运行过程中,高压配电柜会因其工作状态以及......
我国的经济不断发展,智能化得到空前的普及与应用。同时人们的生活质量也在不断地提高,随处可见的电气设备加上新能源电动车的普及......
目的:探讨釉基质蛋白(EMPs)对大鼠骨髓基质细胞(rMSCs)分泌内源性转化生长因子β1(TGF-β1)的影响.方法:采用全骨髓法培养rMSCs,通......
在分析太原市中小企业发展生产性服务业重要性的基础上,借鉴国内外成功经验,从优化中小企业服务业发展环境、积极引导和鼓励制造业......
摘 要： 部分浙商在创办企业的同时，也投资兴办民办高等院校。因此，浙商的产业转型与许多浙江省民办高等院校的办学新举措有着密切的内......
接触式端面密封由于其密封性能较佳，因而得到广泛应用，但因其工作寿命短，使其使用不尽人意，本文通过对端面密封的动力分析，探讨了端面密......
文章利用小波分析能准确检测信号奇异点的特征提出了基于小波分析的时差法。该方法能准确检测出故障时刻与差流产生时刻之间的差异......
为了保证串联混合型有源滤波器在大容量场合下正常运行,同时改进其滤波效果,以及减少逆变器中的干扰量,本文提出了一种单相串联混......
利用电击法将金针茹（Ｆｌａｍｍｕｌｉｎａｖｅｌｕｔｉｐｅｓ）金杂１９菌株的染色体ＤＮＡ导入金针菇０８８菌株的单核菌丝原生质体中，根据转化的双核菌丝具“锁状联合”这一形态学特征筛选出......
摘要： 研究了Cu-Ni-Co-Si合金固溶后时效处理工艺对其导电率的影响，通过导电率与析出的第二相体积分数的关系推导了该合金的相变......
