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- TH-PCPL is fabricated on four layer FR4 PCB and good agreement is shown between the measurement and simulation results. 而贯孔式光子晶体电源层也实际制作于四层板FR4的印刷电路板,其模拟与量测结果相当吻合。
- The affect of BCu93P and BAg45CuZn on braze joint of AgNi contact material and H62 with resistance brazing is studied. 采用电阻钎焊工艺,研究BCu93P钎料和BAg45CuZn钎料对AgNi触头材料和H62钎焊接头的影响。
- TCP/IP protocols map to a four layer model: Network Interface, Internet, Transport, and Application. TCP/IP协议可以用一个分成四个层次的模型来描述:网络接口层、互联网层、传输层和应用层。
- The main problem of AgNi contact material for control apparatus with small capacity was investigated. 探讨了目前小容量控制电器用国产AgNi触头材料在运行过程中存在的关键问题;
- The structure of PMN is a four layer feedforward neural networks(FNN), where the Gaussian probability density function is realized as an internal node. PMN网为一个四层前馈网,它构成一个贝叶斯分类器,实现多类分类的贝叶斯判别,把输入的说话人语音数据模型参数通过网络变换为输出的说话人判定。
- The through hole PCPL (TH-PCPL) structure is proposed to be a low cost realization of the PCPL structure in four layer PCB. 利用高介电连通柱束光子晶体结构可得到许多不同等效介电常数的等效高介电材质,利用这些等效材质在设计截止频带时能作更多变化,更有弹性。
- The effect of Li_2O and the total amount of metallic oxide in the contact material on the resistant to elec- tric erosion and fusion welding was dis- cussed. 讨论分析了 Li_2O 及金属氧化物含量对接点材料抗电侵蚀性及抗熔焊性的影响。
- The lower the hardness of contact material against WC coating, the higher the static friction coefficient of a pair.The roughening WC coating and the smoothin... 提高WC涂层的粗糙度以及降低与WC配对的偶件材料的粗糙度可有效地提高摩擦副的静摩擦系数.
- Abstract: The processing principle and the experiment system and results of arc-remelting for the contact material of vacuum switches are described in this paper. 本文介绍了真空开关触头材料电弧重熔工艺原理和电弧重熔系统及实验结果。
- The anther wall is composed of four layers: epidermis, endothecium, middle layer and tapetum. 巨龙竹的花药壁由4层结构组成,包括表皮、药室内壁、中层、绒毡层;
- Results The deep cervical fascia was divided into four layers with the fasciae of the infrahyoid muscles being a single layer. 颈深筋膜深层分为翼筋膜和椎前筋膜;
- To prevent non-ohmic contacts, choose an appropriate contact material, such as indium or gold. 为了避免非欧姆接触现象,应当选用适当的接点材料,例如铟或者金。
- This paper introduces aresearch on optimal characteristicsof contact material used in vacuum switches by the Technical University of Braunschweig and gives an analysis on their results. 本文介绍德国Braunschweig工业大学对真空断路器触头材料性能的优化问题所作的研究,文中,作者对他们的研究结果作了适当的分析和评论。
- PIPORTDOS is based on microkernel architecture, and consists of four layers: hardware abstract layer, system kernel layer, distributed message mechanism, and system servers layer. 华中科技大学图像信息处理与智能控制教育部重点实验室;
- After this, SEM was used to observe and compare the surface appearance of the rivets. The mechanism of the effects of the additives on the electrical properties of AgNi(10) contact material was analyzed. 将含不同添加物的AgNi(10)线材分别加工成平面、球面复合铆钉型触头,并配对装配于ASTM标准试验机上进行电性能模拟试验,得出了含不同添加物的AgNi(10)线材的电磨损及接触电阻数据,并利用扫描电镜对电性能模拟试验后的触头表面形貌进行了对比观察,在此基础上初步分析了不同类型的添加物对AgNi(10)材料电性能的影响机理。
- The fibers were arranged in two close-packed layers and etched thinner for crossing layer by layer, and then an FCT structure with four layers was fabricated. 这些光纤先被排列成双层的最密堆积,再以蚀刻的方式令其变细,接著把两片蚀刻过的双层光纤单元,以层层交叉的方式堆叠,即可组成一个拥有四层结构的面心长方光子晶体。
- The microstructure uniformity, hardness, electric erosion and stability of breakdown voltage for NS W-Cu electrical contact material excel that of conventional PM W-Cu alloy, but the electric conductivity is equivalent. 结果表明 ,纳米晶W Cu电触头材料的硬度、抗电弧烧蚀性及耐电压稳定性远优于传统熔渗法的W Cu合金 ,而电导率两者相差不大。
- Underlain by Dynamic System, the paper divides the architecture of CTDPC into four layers: primary layer, nuclear layer, sustaining layer and scouting layer. 2、以动态系统论为基本理论支撑,本文将区县旅游规划结构体系分为基础、核心、支持、监控四个层面。
- Chen Wenge,Ding Bingjun,Zhang Hui.Nanocrystal W-Cu electrical contact material by mechanical alloying and hot pressed sintering[J].The Chinese Journal of Nonferrous Metals,2002,12(6):1224-1228. [6]陈文革;丁秉钧;张晖.;机械合金化制备的纳米晶W-Cu电触头材料[J]
- Basically, there are four layers of security you'll need to establish and configure. 从基本上讲,您需要建立并配置四层安全性。