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建立了一个直接隧穿电流的经验公式 .将氧化层厚度作为可调参数 ,用这个经验公式可以很好地拟合超薄氧化物 n MOSFET器件的直接隧......
Development on astable multivibrators using the combination of linear and non-linear materials as sw
In this communication we propose a method to implement an all-optical astable multivibrator using the non-linear materia......
In an art scene with more than its fair share pretension and ego,Double Fly Art Center(双飞艺术中心)stands gleefully out......
Nursing cooperation in corrective surgery of anomalous origin of the left coronary artery from the p
Background Anomalous Origin of Coronary Artery(AOCA), a congenital heart disease with low incidence,can cause sudden car......
The Effect of PCDH15 Gene Variations on the Risk of Noise-induced Hearing Loss in a Chinese Populati
Noise-induced hearing loss(NIHL)is a complex disease caused by interactions between environmental and genetic factors.Th......
In gas turbine engines,with the existence of the intense forced convection and significant buoyancy effects,temperature ......
AIM: To explore the implications of underlying diseases in treatment of pancreatic pseudocysts (PPC). METHODS: Clinical ......
Dynamic Variations of the Gravity Field before and after the M5. 1 Wen’an Earthquake in Hebei Provin
In order to explore the abnormal variations before and after the Wen’an M5. 1 earthquake on July 4,2006,the gravity dat......
We investigated the predicted function of proteins eluded from human MHC class Ⅱ molecules.Peptides that arepresented ......
[Objective] To inspect the influence of Veratrum Nigrum on the body resistance strengthening function of Panax Ginseng w......
Through routine ocular examination of 279 Deaf-mute students in Lie De School in Guangzhou in 1988 by visual chart, Yu ......
The project of a 10 Me V PET cyclotron accelerator for medical diagnosis and treatment was started at Amirkabir Universi......
The scattering of oblique incident surface waves by the edge of a small cylindrical deformation on a porous bed in an oc......
The burial depth and the structural complexity of the layer in Shahezi groups are very difficult to predict the reservoi......
High Altitude Platform(HAP) must compensate for relative motion with respect to the ground because of the stratosphere c......
本文介绍一种气体超声波流量计仪表系数的分段实时修正方法,对采用时差法测量原理的气体超声波流量计仪表系数进行非线性修正.首先......
针对废水中氨基酸荧光分析过程中光谱数据去噪声处理过程,提出了基于多元散射校正思想建立相对荧光强度与浓度关系模型的方法,建立......
在5个不同温度下测定3种不同规格的长叶烯产品的相对密度和折光指数,通过数据处理得出该产品密度和折光指数的校正系数分别为:0.000......
针对LAEP算法存在相邻节点的定位位置相同(或相近)的问题,提出一种基于节点前进跳距期望的定位求精算法( RLAEP )。该算法在LAEP算法的......
图像判读中由于摄像装置所处角度、摄像镜头差等原因常使获取的图像存在非线性几何畸变。为获取图像的准确信息,本文提出一种基于B......
深度剖析流动儿童的语文学习问题,找准相应对策,能对流动儿童的语文学习问题进行有效矫正。语文教师要按摩流动儿童的学习心理,引......
由于水洞流速较低,受弗劳德数影响,水洞实验条件下空泡形态存在上漂现象,实验得到的运动体尾部流体动力特性也因此受到影响.为了消......
[目的]检验闭合式一张开式联合楔形截骨术治疗角形脊柱后凸的有效性和安全性。采用一期后路闭合式一张开式联合楔形截骨术的方法对......
依据物理模拟相似性准则,采用物理模拟和井下试验方法,研究了煤矿井下巷道底板铁轨和金属架棚支护2种金属体的瞬变电磁响应特征.结果......
在顶色辅助的人工色模型框架下,在Tevatron上研究了顶夸克一反顶夸克对的产生过程中顶夸克的极化效应,在计算过程中,我们运用了CTEQ3......
针对目前反应堆安全壳内中子剂量测量存在较大误差的特点,通过分析中子剂量当量仪的工作原理、校准方法和现场测量过程中存在的不......
试验结果表明,18%杀虫双撒滴剂在水稻田二化螟1 ̄2龄峰期进行防治,具有优良的防治效果。每667m^2用撒滴剂150、200、250、300ml的校正防效分别为86.1%、91.3%、96.9%、97.4%。当撒滴剂......
为了得到多信息进行信息融合,光电经纬仪采用多传感器的方法,即在主视轴及辅助视轴上安装了传感器。作为获得信息的多种手段,主视......
分析了超声井下电视传感器的声学特性,针对国产DBHTV超声测井仪给定的参数,计算了它的焦距、焦点直径、聚焦情况以及影响系统探测性能的因......
系统受到大扰动后的暂态能量由系统中动能和势能组成,其中系统动能为所有发电机动能之和。由于在传统推导发电机转子运动方程的过程......
以野外实际工作为例,对大地电磁测深系统中磁探头的响应函数进行分析,总结了转角频率的偏高或偏低与视电阻率和相位曲线畸变之间的关......
高频无线电波通信对于长距离信号传播具有重要意义。文中基于此背景对无线电传播问题建立海洋信号反射模型。基于此模型,利用反射......
亲缘腐败的典型特征主要表现为扩张性、稳定性和不可持续性。扩张性是亲缘腐败的首要特征,即腐败多为一种“裂变式扩散”的蔓延形......
由于电站锅炉集箱的特殊结构特点、在产品制造过程中,容易造成集箱的挠度超差。本文介绍了不同集箱校直方法的特点,研究开发了通过焊......
【正】 Through routine ocular examination of 279 Deaf-mute students in Lie De School in Guangzhou in 1988 by visual char......
闪速炉烟气中含有三氧化硫,在实际生产中会易与烟气中的水结合生成硫酸雾。闪速炉电收尘出口烟尘监测采用重量法,监测结果易受硫酸......
用差热和热(失)重法、pH值检验、离子色谱等分析方法考察和证实了Cl^-对平菲尔特管重量法测定化合水(H2O^+)的干扰,研究其影响规律,提出用系数校正方......
目的:探讨高眼压症者中央角膜厚度(CCT)与眼压(IOP)的关系,观察CCT在判断高眼压症者是否给予降眼压治疗中的临床价值。方法:对113例(226眼......
为了在有限口径下获得更大的观察范围,医用电子内窥镜广泛采用广角物镜,图象存在较为严重的畸变。畸变的校正对于快速发现、准确定位......
针对传统无线传感器网络节点定位精度低、能耗大及适应性不强等缺陷,提出了一种基于信标优化的无线传感网络定位算法ConDV-Hop。该......
针对快中子能谱实验测量数据的修正,开放了FAMS-MC蒙特卡罗计算程序,以5.9、6.4和14.1MeV中子在Be核上产生的次级中子双微分截面的实验结......
This investigation discusses further the extent to which a new damagetheory recently proposed by the author can serve as......
地层中富钾矿物的存在使得自然伽马能谱测井曲线的精度降低。根据地层中含Th,K矿物的蕴含特点,分别建立了Th,K含量与粘土矿物含量之间......
We observe the gravity discharge of liquid through the short cylindrical tube of diameter of 2 mm and aspect ratio 2.5 a......
Hole drilling or contour milling for the large and complex workpieces such as automobile panels and aircraft fuselages m......
本文报道的方法具有快速、简便、准确的特点。用解联立线性方程求校正因子的方法,在缺少纯标样的场合可推荐应用。对高沸点、强极......
针对螺旋槽螺纹铣刀在磨削加工时内外侧磨削量不同的问题,通过齿形的数学建模和分析计算,提出了其磨削砂轮的修正量计算公式。同时......