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The degeneration of nerve fibres following injury was first described by Augustus Waller over 170 years ago. Initially a......
Low-bandgap conjugated polymers based on benzodipyrrolidone with reliable unipolar electron mobility
The employment of an intrinsic quinoidal building block,benzodipyrrolidone(BDP),on constructing conjugated polymers(PBDP......
Numerical Approximation of Port-Hamiltonian Systems for Hyperbolic or Parabolic PDEs with Boundary C
We consider the design of structure-preserving discretization methods for the solution of systems of boundary controlled......
Engineering the electrical properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)(PEDOT:PSS)holds great p......
树舌多糖ＣＦ２ａ经１５ｍｍｏｌ／Ｌ１０＾－４ｈ选择化，继以氯酸氧化、得修饰树舌多糖ＣＦ２ａｍ，其结构分析表明侧链氧化率为６５％，以Ｊ－５００Ｃ圆二色性仪比较测定ＣＦ２ａ，ＣＦ２ａ一刚果红复合物及ＣＦ２ａｍ在不同ｐＨ下的ＣＤ谱，结......
Complex Fe<sub>3</sub>（bdt）<sub>3</sub>（PBu<sub>3</sub><sup>n</sup>）<sub>3</sub> was synthesized in the presence of PBu<sub>......
Stereochemistry and solid-state circular dichroism spectroscopy of eight-coordinate chiral lanthanid
Eight-coordinate chiral lanthanide complexes [Eu(dbm)3LRR](1),[Eu(dbm)3LSS](2) and [Tb(dbm)3LRR](3)(LRR/LSS =(-)-/(+)-4,......
Three 3D manganese-organic frameworks, Mn2(BPTC)(DMF)2(H2O)·DMF·3H2O(1), Mn2(BPTC)(bipy)(DMF)·DMF·H2O(2), and Mn2(BP......
In this research a novel nickel complex was used as electrocatalyst for electrooxidation of hydrazine.A nano-structured ......
This paper presents both analytical and numerical studies on the global view of Hopf bifurcations of a van der Pol oscil......
The coupling effect characterization for van der Waals structures based on transition metal dichalco
van der Waals (vdW) heterostructures based on two-dimensional (2D) materials holding design-by-demand features offer ast......
Microstructures and Mechanical,Electrical,High-temperature Properties of Cu/Ti_2AlC FGM Fabricated b
The microstructure and the electrical, thermal, friction, and mechanical properties of Cu/Ti_2AlC fabricated by hot-pres......
Proteasome activity reduction is an important pathological phenomenon, resulting in proteins aggregation and neuronal de......
微机械技术的发展使微结构加工得以实现。但实际加工常与理论设计间存在加工误差,实际工作环境亦会使工件发生氧化等结构异化,使得......
The purpose of this study was to summarize the wide-range literatures on asphalt pavements,explore the evolution of road......
在弱碱性介质中阳极氧化制备LY12铝合金着色膜,用动电位扫描法极化曲线和极化电阻电化学测试技术方法研究了着色膜在中性和酸性介......
In this paper,we present a highly efficient structure determination pipeline software suite (X2DF) that is based on the ......
本文通过对荣华二采区10...
Evaluating agricultural water-use efficiency based on water footprint of crop values: a case study i
Efficient agricultural water use is crucial for food safety and water conservation on a global scale. To quantitatively ......
Polynomial-basis response surface method has some shortcomings for truss structures in structural optimization,concludin......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Year 2010 is the ending year of the “11 th Five-Year Plan“,and is also the year with the most uncertainties and the mo......
以木质素磺酸钠为原料,利用反相悬浮聚合技术,成功制备木质素基树脂。研究了木质素基树脂的制备工艺及其对重金属离子Pb2+、Cd2+的......
Relationship between acute stress and sleep disorder in grass-root military personnel: Mediating eff
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......
Structure-Activity Relationship, Cytotoxicity and Mode of Action of 2-Ester-substituted 1,5-Benzothi
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......
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......
加10年卫生部在江西、云南、贵州和甘肃4省开展了乡镇临床执业助理医师的试点工作。数据分析结果显示，考生成绩总体呈现负偏态分布，......
Hierarchically porous Cu current collector with lithiophilic CuxO interphase towards high-performanc
Lithium metal is one of the most promising anode materials for next-generation electrochemical energy storage due to low......
Structural choice is a significant decision having an important influence on structural function, social economics, stru......
转笼生物反应器是新研制的一种高效污水处理反应器.为了进一步优化其结构,采用滑移网格与两相流耦合的数值模拟方法对反应器内部的......
合成出1-（2′，4′，6′-三硝基苯基）-4，5-二硝基咪唑，研究了其热性能和晶体结构。其熔解温度为228．98℃，分解温度为339．73℃，热重变化范围为20......
从云南美登木共生放线菌菌株1B1的发酵提取物中分离得到了一个新的angucycline抗生素,并通过其谱学特征鉴定了化合物1的化学结构.......
The structures, infrared spectra and cation stability of seven 5,5′-azotetrazolate nonmetallic salts are investigated b......
以白沙蒿籽为原料,经水提醇沉,酶法和Seveg法脱蛋白,乙醇分级沉淀,得到两种酸性多糖ASP1和ASP2.将ASP1和ASP2分别完全酸水解、高碘......
郑万铁路奉节梅溪河双线特大桥主桥设计为1-340m劲性骨架钢筋混凝土上承式提篮拱桥,拱座采用水平桩+竖直桩分离式嵌固基础,X形钢管......
考虑了弹性力学中常见的Ⅲ型热弹性方程在一个半无限区域上的空间二择性.假设方程满足一定的初边值条件,利用能量分析法,分别证明......
本文采用Illumina PE250测序法对浓香型新窖泥、老窖泥和品质较好的老窖泥中微生物群落结构与多样性进行研究。结果表明:从门水平......
为了更好的适应高速机车大功率大转矩的特点,对驱动系统中承担转矩传输的主动齿轮进行了结构形式、强度分析、工程应用等多方面设......
水电站引水钢管通常采用现场制造焊接,在焊接过程中易形成未焊透缺陷,给压力钢管运行带来不可忽视的危险。本文选取某电厂引水钢管......
Review on the Relationship Between Liquid Aerospace Fuel Composition and Their Physicochemical Prope
The development of advanced air transportation has raised new demands for high-performance liquid hydrocarbon fuels.Howe......
近十年来,国家相继出台了一系列普惠性与结构性相结合的减税降费举措,特别是在助力供给侧结构性改革和抗击新冠疫情的背景下,部署......
首先将D-7-ACA与BTPA作为起始原料,进行缩合反应及内酯化反应得到中间体1;然后中间体1再经过脱保护反应得到头孢卡品内酯化合物,最......
通过SU2型汽车座椅卡簧压装设备的模块化设计、触屏式人机操作界面说明、PLC及手动电磁阀控制,实现了对多个品种汽车座椅卡簧压装......
图聚集技术是在保留原始图的结构和属性信息的同时,将一个大规模图聚集成简洁的小规模图的技术.随着图的规模不断增加使得图数据变......
复合材料胶螺混合连接由于同时具备螺栓连接和胶接的优点,在航空航天领域得到了广泛的关注。本文总结了国内外胶螺混合连接在复合......
归纳总结公路路面彩色抗滑薄层的常用施工方式,分别介绍了表面涂层法、撒砂法、彩色砂浆法、彩色微表处法的施工特点、相对优势和......
为实现隧道施工机械化配套“性能可靠、安全高效、技术先进、节能环保”目标,达到机械化减人、提高生产效率、保证施工进度、降低......
在Moldflow分析软件的基础上,对显示器后壳进行仿真研究,以翘曲变形量为质量指标,结合控制变量法进行单因素变动实验,保持注射工艺......
