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研究背景:衰弱已成为影响老年人健康的重要社会问题,虽然发生率不高,但引发的跌倒、失能、死亡等不良事件,给患者本身、家庭和社会......
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To explore the complex thermal-mechanical-chemical behavior in the solid-liquid cast-roll bonding (SLCRB) of Cu/Al cladd......
The longitudinal tensile properties of SiCf/Ti-6Al-4V composites with different fiber volume fractions were simulated by......
In this paper,we give a necessary and sucient condition for a strongly pseudoconvex complex Finsler metric to be locally......
The high level of noise is a special feature of the geomagnetic field on the territory of Slovenia. The tension of the A......
Utilizing polarization maintaining photonic crystal fiber(PM-PCF)with the low temperature coefficient of birefringence,a......
BACKGROUND Brugada syndrome(BrS)is an inherited disease characterized by an electrocardiogram(ECG)with a coved-type ST-s......
Static mechanics analysis of no bumping or vibration welding structure applied in high-speed & heavy
Nowadays, the sleeper, railroad bed, welding technology and materials of the high-speed & heavy-load Continuous Welded R......
Tidal stress triggering effects of earthquakes based on various tectonic regions in China and relate
Dividing the mainland China into different tectonic stress regions,we calculate tidal stress components along the seismi......
Gradient decrease in telomerase and its RNA in progressive passage of human endometrial stromal stem
The purpose of this study was to explore the change of telomerase in passage from human endometrial stromal stem cells i......
AIM: To examine the discrepancy, if any, between the endoscopist’s estimate and pathologist’s measurement of colonic p......
Engineering geological classification of the structural planes for hydroelectric projects in Emeisha
The scale and characteristics of rock mass are important indexes of the rock mass structural plane classification.This p......
研究一类含有n个参数的高阶非线性微分方程组的正解问题,通过使用Krasnosel＇skii不动点定理,在适当的条件下,得到一个和多个正解的......
A ring is said to be an IBN ring if for every free left module A,every two bases of A havethe same cardinal.The class of......
设ａ〈ｂ及ｆ：［ａ，ｂ］→［ａ，ｂ］是一个函数，称下述迭代：ｘｎ＋１＝（１－λ）ｘｎ＋λｆ（ｘｎ），ｘ０∈［ａ，ｂ］为Ｈｉｌｌａｍ迭代，其中０〈λ〈１。给出了Ｈｉｌｌａｍ定理的一个简单证明，还得到了Ｈｉｌｌａｍ定理在无穷维空间ｌＲ＾ｐ中的一个推广形式。......
Recently generalized exponential distribution has received considerable attentions.In this paper,we deal with the Bayesi......
An isothermal endoreversible chemical engine operating between the finite potential capacity high-chemical-potential res......
An inner seepage face phenomenon is given and a numerical simulation procedure has been developed.It may appear at the i......
Solid-state phase transitions of 4-methylanilinium perchlorate (4-CH 3 C 6 H 4 NH 3 ·ClO 4 , 1) and tetrafluoroborate (......
Thermodynamic analysis of combined reforming process using Gibbs energy minimization method: In view
Thermodynamic analysis was applied to study combined partial oxidation and carbon dioxide reforming of methane in view o......
A High Precision Comprehensive Evaluation Method for Flood Disaster Loss Based on Improved Genetic P
Precise comprehensive evaluation of flood disaster loss is significant for the prevention and mitigation of flood disast......
Ensuring a sufficient energy supply is essential to a country. Natural gas constitutes a vital part in energy supply and......
We describe here a rapid process for the preparation of new 9-chloromethyl-12-aryl-10,12-dihydrobenzo[5,6]chromeno[2,3-d......
A unified strategy toward the construction of the [5.7.6]tricyclic skeleton of liphagal is reported,featuring InCl3-medi......
One of the wonders of nature is the creation of isomers,which are of same compositions but different structures.These is......
Magnetic nanoparticles used in headspace extraction coupled with DSI-GC-IT/MS for analysis of VOCs i
A novel magnetic method using polystyrene modified magnetic nanoparticles to perform thermoheadspace extraction was succ......
Fabrication and Characterization of Porous Mullite Ceramics from Pyrolysis of Alumina Powders Filled
Porous mullite ceramics were fabricated from pyrolysis of nanometer alumina powders filled silicone resin. At 1573 K, th......
Graphene nanoribbons(GNR_s)recently have drawn much interest because of their novel electronic properties such as well-c......
Efficient removal of phosphate from aqueous solution using novel magnetic nanocomposites with Fe_3O_
Fe_3O_4@SiO_2 magnetic nanoparticles functionalized with mesoporous cerium oxide(Fe_3O_4@SiO_2@mCeO_2) was fabricated as......
Synthesis, structure and luminescent properties of a new Vernier phase Lu_7O_6F_9 doped by Eu~(3+) a
To explore novel nano-scintillator with a controllable architecture, pure and Eu3+ doped lutetium oxyfluoride(Lu7O6F9) p......
Even in developed countries, as it was highlighted in one of the Motor Show’s discussion panels, as much 38% of urban p......
This paper proposes an innovative low-cost isolator with lightweight and cost-effective features for use in low-rise res......
作为世界三大赛事之一的F1大奖赛将在金秋十月落下帷幕,征战了将近一年的车手们也到了收获的季节。去年的F1比赛,车神大舒马赫早早......
记者赵同先生对TW—200合并功放的设计及有关技术问题的采访回答如下: 赵同问:首先请吴老师谈一下获得美国国家半导体有限公司音......
A new nondestructive test method-Impact Echo Scanning was introduced. Application of this method on pavement structure t......
电子管扩音机以其温暖柔和,饱满甜美的音色吸引了一代又一代的音响爱好者。但它也有一个致命的弱点;输出阻抗高,须用输出变压器才......
SHRIMP Age and Geochemistry of the Bikou Volcanic Terrane: Implications for Neoproterozoic Tectonics
The Bikou volcanic terrane is predominated by subalkaline tholeiitic lavas. Rock samples display lower initial ratios o......
这次HI-FI耳机较量的主角分别是来自Labtec的Elite-840和Philips的HP800。前者大家应该都比较熟悉了,它可谓是近期最超值的电脑HI......
Electrochemical properties of cobalt-free La_(0.80)Mg_(0.20)Ni_(2.85)Al_(0.11)M_(0.53) (M=Ni,Si,Cr,C
In order to investigate the effect of different B-site additions on phase structure and electrochemical properties of co......
Spatial Pattern Evolution and Casual Analysis of County Level Economy in Changsha-Zhuzhou-Xiangtan U
In order to evaluate whether or not the county units′ economy in the Changsha-Zhuzhou-Xiangtan(Chang-Zhu-Tan) Urban Agg......
In recent years, advanced two-cycle process - APOR process based on N, N-two methyl hydroxylamine (DMHAN)-methyl hydrazi......
Around twenty years have elapsed since the first IGBT concept has been introduced in the paper.During this time IGBT chi......
The momentum behind China’s economic rebound remains strong. But underpinned by recently announced economic indicators ......
Fears over a “double dip” recession of the world economy have become more abundant recently,but the scare is not unfou......
