孔径
- 与 孔径 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on the theory analysis and experiment work, the paper studies the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture. Compared with the traditional air washer, the high efficiency and energy saving character of this kind of nozzle is stood out.
课题从理论和试验两方面分析研究了撞针型高压小孔径离心式喷嘴的雾化加湿性能,并将其与传统喷水室加湿系统进行能耗比较,突出了撞针型高压小孔径离心式喷嘴高效节能的特点。
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A group of standard reticules are fabricated by binary optics to scale defects. The resolution of the optical system of defects-microscopic scattering imaging is better than sub-micrometer and the view field of a sub-aperture is about 3 mm. An image array of 5×5 sub-aperture is obtained by two-dimensional scanning system.
最终利用该变倍光学显微镜散射成像系统得到能分辨微米量级表面疵病的图像,其单个子孔径物方视场约为3 mm,对X,Y两方向进行5×5子孔径图像扫描成像,并给出了与标准比对的定量数据结果。
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Our process capability: Plates: FR4, High TG FR4, high CTI FR4, high frequency materials, halogen-free materials, aluminum and other low-rise Materials :2-20 layer of finished copper thickness :0.5-5 OZ finished thickness: 0.2 -6.0mm Minimum line width: 3mil Minimum line spacing: 3mil smallest shape tolerances:+/-0.1mm minimum finished diameter: 0.1mm maximum thickness aperture ratio: 12:1 wide minimum solder bridge: 4mil characters minimum line width: 5mil Minimum height of characters: 30mil Solder Mask Color: Green, black, blue, white, yellow, purple characters such as color: white, yellow, black and other surface processes: spray tin, lead-free HASL, Electroless gold plating Shuijin, OSP, chemical Shen tin, silver and other chemicals Shen Process: Goldfinger, blue gum, Blind-via/Buried-via, characteristic impedance control, rigid-flexible combination of reliability testing such as: Open / Short testing, impedance testing, solderability testing, thermal shock testing, metallographic analysis of micro-slice curvature Isoptera: 0.7% flame retardant Level: 94V-0
我们公司的制程能力:板材:FR4、高TG FR4、高CTI FR4、高频材料、无卤素材料、铝基材料等层数:2-20层成品铜厚:0.5-5 OZ成品板厚:0.2-6.0mm最小线宽:3mil最小线间距:3mil最小外形公差:+/-0.1mm最小成品孔径:0.1mm最大板厚孔径比:12:1最小阻焊桥宽:4mil最小字符线宽:5mil最小字符高度:30mil阻焊颜色:绿色、黑色、蓝色、白色、黄色、紫色等字符颜色:白色、黄色、黑色等表面工艺:喷锡,无铅喷锡、化学沉金、电镀水金、OSP、化学沉锡、化学沉银等其它工艺:金手指、蓝胶、盲埋孔、特性阻抗控制、刚柔结合等可靠性测试:开/短路测试、阻抗测试、可焊性测试、热冲击测试、金相微切片分析等翅曲度:≤0.7%阻燃等级:94V-0
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Synthetic aperture radar ; curvilinear synthetic aperture radar ; motion compensation ; feature extrac-tion
合成孔径雷达;曲线合成孔径雷达;运动补偿;特征提取
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One or both of transmit and receive aperture controls may include preventing some element of the transducer array from transmitting or receiving, calculating weighting apodizations to combine with standard apodizations for each frame, or determining an aperture size based on an f-number for the transducer array for each frame.
发射和接收孔径控制中的一个或二者可以包括:阻止换能器阵列中的某个元件进行发射或接收,针对每一帧计算加权变迹以将其和标准变迹相组合,或者针对每一帧根据换能器阵列的F数来确定孔径尺寸。
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Phase structure function and aperture-averaged slope correlation function with finite outer scale are derived.
导出了有限外尺度影响下的相位结构函数和孔径平均的斜率相关函数的表达式,结果表明有限的大气外尺度对大气湍流统计特征的测量有很大的影响,尤其对大尺寸的望远镜和子孔径更是如此。
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With aperture expanded as the sum of finite complex Gaussian terms, a more practical approximate analytical solution of fractional Fourier transform of Gaussian beam in an apertured paraboloid refracting system is obtained and also numerical investigation is presented.
通过将孔径函数展开为有限项复高斯函数之和,得到了高斯光束在受孔径约束的抛物面折射系统中分数傅里叶变换较符合实际的近似解析表达式,并进行了数值模拟。
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As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. Later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn.
理论工作方面,首先描述了撞针型高压小孔径离心式喷嘴的雾化加湿过程和液体的物理性质,然后结合撞针型高压小孔径离心式喷嘴的结构特点,将其雾化加湿过程分三个阶段进行机理上的研究,这三个阶段依次为液膜形成、液膜初次破碎及二次雾化、水与空气的热湿交换。
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Based on the Percolation theory and the Voronoi model, the pore size distribution is with normal distribution. Considering the flection of the pore, the variability of the pore size and the diffusion of the reactive gas, the comprehensive desulfurization model between CaO and SO〓 is established by adopting the elemental sphere disposal method.
根据由逾渗理论结合Voronoi模型得出的CaO孔径分布符合正态分布的结论,采用微元球壳的处理方法,考虑孔隙长度的曲折性和反应过程中孔径的变化过程和反应气体的扩散过程,建立了CaO颗粒与SO〓气体之间的综合脱硫反应模型。
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The diffraction distributions of Gaussian beam limited by the circular apertures with different sizes in scanning objectives focal plane were studied, and then the effective spot radius in focal plane was calculated using second moment and compared with the ideal one. The influence of apertures with different sizes on resolution was analyzed.
在不同孔径圆孔的限制下,对扫描物镜焦面上的衍射光场分布进行数值计算,并利用二阶矩统计的方法对焦面上的等效光斑半径进行数值计算,将其与不受限时的理想情况进行对比,分析孔径尺度对激光束扫描系统分辨率的影响。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。