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Determination of trace inorganic anions in anionic surfactants by single-pump column-switching ion c
An ion chromatography method has been proposed for the determination of three common inorganic anions(chloride,nitrate a......
Synthesis, Structure and Properties of a Two-dimensional Samarium(Ⅲ) Complex of 1,3-Benzenedicarboxy
The title complex Sm2(bdc)3(phen)2n (1, H2bdc = 1,3-benzenedicarboxylic acid, phen = 1,10-phenanthrolin), a new samarium......
A Novel 3D Heterobimetallic Cyano-bridged Coor- dination Polymer {(NH_4)_2[Cd(H_2O)Fe(CN)_6]}_n:Synt
A novel heterobimetallic coordination polymer, {(NH4)2[Cd(H2O)Fe(CN)6]}n 1, has been synthesized by using the slow diffu......
Two types of lanthanide coordination polymers, namely, [Ln(PA)(NO_3)(DMA)_3]_n(Ln=Gd(1), Dy(2), Eu(3), Tb(4))(type I), a......
The archaeological structures of the Early Bronze Age settlement of Ostiano San Salvatore(Cremona-Northern Italy).-The ......
Gnetupendin C, a new dimer coupled by a resveratrol and an oxyresveratrol unit, was isolated from the lianas of Gnetum p......
In the process of the design of heat exchangers,it is difficult to establish the factors governing the optimal points of......
Measurement results of uncertainty evaluation is an important test link,the force of traction measurement is widely used......
A theory for multi-pump and multi-motor hydraulic systems is presented in this paper based on the analysis of the advant......
This paper describes the design principles and functionality of a MicrocomputerSupervising Devlce(MSD)developed by us on......
Spatial Variation of Dissolved Organic Carbon in Soils of Riparian Wetlands and Responses to Hydro-g
Spatial variation of dissolved organic carbon(DOC) in soils of riparian wetlands and responses to hydro-geomorphologic c......
1.Development of renewable energies brings challenges to the power grid technologies With the development of power gener......
Coupled extensional and flexural cylindrical vibrations of a corrugated cylindrical piezoelectric shell consisting of mu......
Molecular weights of the silk fibroin were determined by polyacrylamide gel electrophoresis in the presence of so-didiu......
Qualitative reasoning uses incomplete knowledge to compute a description of the possible behaviors for dynamic systems. ......
1.Connect with a native speaker(与以该语言为母语的人保持交流)The best way to learn a new language is to speak it.Too oft......
Gas entrainment is a common phenomenon in the pool container with free surface.Its effect was not being taken seriously ......
This paper discusses the characteristics of the regional geological structure of the Bohai Sea, the Huanghai Sea, the E......
Application Independent Dynamic Group-Based Key Establishment for Large-scale Wireless Sensor Networ
Key establishment and its management in Wireless Sensor Networks(WSN) is a challenging problem due to its limited resour......
A false alarm fault frequently appeared in antenna-servo system of the CINRAD/SA weather radar of Shanwei in the second ......
Sampled-data based average consensus with measurement noises: convergence analysis and uncertainty p
In this paper, sampled-data based average-consensus control is considered for networks consisting of continuous-time fir......
为研究钢与GFRP-混凝土空心组合板通过不同连接方式形成组合梁的受弯性能,对3根组合梁试件进行了静载试验研究。3个试件中钢梁与GF......
目的:研究pcDU6载体质粒介导的转化生长因子β(TGF-β1)短发夹RNA(pcDU6-A1-A2和pcDU6-B1-B2)对人血清白蛋白(HAS)致人肾小管上皮......
针对光学元件表面划痕不连续而导致的划痕长度难以确定的问题，提出一种基于斜率控制的不连续划痕连接方法。该方法首先经预处理确定......
利用向量李雅普诺夫函数法,分别研究了具有自互联作用和不具有自互联作用的线性离散大系统关联稳定性,给出了一种根据辅助矩阵特征......
提出一种改进的广播策略(OBA),通过对虚拟骨干结构算法的优化,在不改变其数学特性的同时,进一步降低系统的广播信息传输开销,给出......
通过对暖温带落叶阔叶林生态系统主要乔、灌木植物叶片、树干、花、果实碳稳定性同位素比率（δ＾１３Ｃ值）测定和比较，发现这些植物叶片的δ＾１３Ｃ值......
对潜水含水层中近河岸基坑工程的特点进行了分析，通过多种方案的对比制定出：充分利用水下不分散混凝土施工技术，解决了一系列的施工难......
分析了电子政务为促使政府职能从管理到服务的转变、政府工作流程从繁到简的改革、政府领导决策从拍脑袋到依靠数据和事实说话创造......
连通支配集是无线传感器网络中构建虚拟骨干网络的重要手段。由于支配集中节点的能耗相对其他节点要多,支配集中剩余能量较小的节......
高职校园文化与企业文化作为不同的群体文化,分属不同领域,尽管两者之间有着较大差异,但他们在基本形态、形成发展、人才培养等方......
同步轨道卫星共位是指在一个地球同步轨道±0.1°的窗口上放置两颗或两颗以上的卫星。文中介绍了同步轨道卫星多星共位的必要性和......
高级信元传输网络是基于高级信元快速分组传输技术的一种全新设计的网络系统，该系统目前已实现了实验室系统．文章阐述了基于高级信元......
路堑边坡治理方案优选属不确定性的多属性决策问题。应用集对分析理论，探讨路堑边坡治理方案的多属性广义集对联系度决策模型，以待选......
连接性是在设计和仿真无线Ad Hoc传感器网时需要确定的重要基础性问题。在理想环境和阴影衰落环境下，在网络节点采用均匀分布时，对无......
设计制作了2种不同组合形式、3种不同连接筋间距的构件共7根,并对其受剪性能进行了试验研究.研究结果表明,组合构件中砼梁、砌体梁......
从高职文秘专业学生职业岗位分析入手剖析文秘岗位所对应的职业能力,探讨了高职文秘教育如何与职业岗位相衔接,并重构职业化的课程......
通过对单模光纤损耗特性的分析,阐述了单模光纤产生接续损耗的原因及用背向散射法和"四功率法"测量接续损耗的方法以及对接续损耗......
结合概型的分类，是件十分重要而又非常困难的工作。在结合概型中，价是很重要的参数，有较强的组合意义。利用价来给出某些结合概型的分......
本文从广西的自然条件、经济水平、社会状况出发，总结小城镇建设与科学发展观的必然联系和因素，认为科学发展观还需要务实，还要进一步......
在这篇文章中我们讨论了一个半序集的内禀拓扑的紧性和连通性,以及内禀拓扑与其在子集中的导出拓扑之间的关系,主要结果有:1.格L的......
针对现有拆卸模型存在的诸多不足，提出了一种基于多色集理论的产品拆卸模型。该模型中，基于多色集理论定义了零件单元连通性的概念和......
大学英语和中学英语教学应该是一个有机的整体,一个过程的两个不同环节。本文作者认为要提高大学英语听力教学,搞好与中学英语听力......
SOME NEW STATISTICAL PROPERTIES OF SOLAR HARD X-RAY, GAMMA RAY BURSTS AND THIER ASTROPHYSICAL IMPLIC
In this paper the SMM / GRS data obtained during the last solar maximum are studied. Some new statistical properties of ......
用连接性指数方法研究了60种醇和10种醚分子的水溶解度lgSw和辛醇／水分配系数lgKow的定量结构／活性关系，该指数由能反映结构信息的原......
本文通过对现有构架描述语言进行分析，指出其存在的不足，并提出了一种基于XML的构架描述语言-XBA。它把XML应用于软件构架的描述，具备......
为了解决血细胞图像中白细胞与其它细胞色彩接近、亮度不均匀等问题,采用了一种基于C-Y颜色空间的白细胞分割方法,将原来的RGB图像......
以辩证唯物主义认识论为工具,对马克思主义的整体性进行研究,结论是:整体性作为马克思主义的一种属性体现于理论结构和发展过程中;......
【目的】探讨加味四君子汤对阿霉素肾病大鼠肾组织中结缔组织生长因子（connective tissue growth factor,CTGF）表达的影响。【方法】......
文章设计了一种高效率手持草莓采摘器。该装置主要由握把、连杆、剪切机构、刀架、刀具和草莓承接盘组成,通过四杆机构、齿轮连杆......
