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A novel method is reported for mass separation of proteins, based on sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE).
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报导了一种基于十二烷基硫酸钠聚丙烯酰胺凝胶电泳(SDS-PAGE)的新型蛋白质质量分离方法。 |
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A novel method of content-based image segmentation using deformable template matching is proposed.A two-dimensional (2-D) deformable template based on orthogonal curves is built by pre-computing extensions of the deformable template along orthogonal curve
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本文提出一种采用可变形模板匹配技术进行基于内容的图像分割算法.通过预先计算出可变形模板沿着变形的正交曲线,并对模板曲线及正交曲线进行离散抽样,建立一基于正交曲线的二维(2-D)可变形模板,针对图像分割问题定义控制可变形模板进行变形的内、外部能量函数,本文采用遗传算法搜索能量函数最小的全局最优解.该新算法比传统的可变形模板匹配方法降低了搜索空间的维数,减少了算法对模板初始位置的敏感.对实际图像及模拟低信噪比图像处理的结果表明,新算法具有良好的分割精度及稳定性. |
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A novel method of histogram analysis for background extraction of video images was proposed, which was derived from the pixel-based histogram analysis.
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摘要在基于像素的直方图分析背景提取的基础上,提出了基于块的直方图分析背景提取方法。 |
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A novel modularized Near-field Scanning Optical Microscopy was developed, with its modules such as tuning-fork optical fiber probe, scanning head and scanning platform etc, of high performance and easy operation.
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摘要采用模块化的设计思想,制成了高质量且简单易用的音叉光纤探针模块、模块化的扫描探头、扫描台等,从而研制出高性能,易操作的模块化的保偏近场扫描光学显微镜。 |
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A novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed.The motion estimation operation is performed only on the compensable blocks in the image frame.The time of estimation computation and the b
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本文介绍了一种新颖的运动矢量估计算法,我们首先对待编码的图像进行可补偿性分析,然后运动矢量搜索只对可补偿块操作,因此无论是搜索次数还是用于对运动矢量编码的比特数均明显少于传统算法. |
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A novel nano-SnO2 electrode was fabricated and applied to the fast counting of E. coli in water.
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制备了新型纳米二氧化锡电极,将此电极用于水体中大肠杆菌的快速计数研究。 |
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A novel reversible coordinate transform method, need not calculating the transform coefficient matrix, based on vector operation is proposed in this paper.
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摘要提出了一种基于矢量运算的新的坐标变换方法,该方法具有不需要计算转换系数矩阵、可逆的特点。 |
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A novel self-bias high-voltage device structure for the start-up circuit of an off-line switching model power supply IC is described.
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摘要设计了一种新的用于离线式集成开关电源启动电路的自偏置高压器件结构。 |
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A novel strip-coil-baffle structure used to enhance heat transfer and support the tube bundle for a tube-shell heat exchanger is proposed.The new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger.The numeri
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介绍了一种用于强化管壳式换热器壳侧传热和支撑管束的螺旋折流片新型结构,该结构是对换热器管子相间地套上螺旋折流片以产生旋涡流动.研究模型是在正方形布置的4个管子中的2个对角管子套上螺旋折流片后形成的通道,利用FLUENT软件对该上述四管通道模型的流场和温度分布情况进行了数值模拟;分析了四管通道模型中螺旋折流片对强化传热和流动阻力随雷诺数的变化关系的影响.算例结果显示该新型结构可比相同尺寸的光管通道中的情形传热系数提高约40﹪~55﹪,同时也将伴随较高的流动阻力.可以相信螺旋折流片式换热器将会在许多工业领域有 |
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A novel technique has been developed to diagnose the operating faults of the dry screw vacuum pump by monitoring the vibration and by analyzing spectrum of vibration frequency and the time domain waveform.
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摘要针对干式螺杆真空泵的运行故障,采用振动监测的方法,利用时域波形和频谱分析技术进行故障诊断。 |
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A novel three-level AC chopper is proposed, which is a new multi-level converter applied to high voltage conversion, and utilizes more electric levels to form output voltage and decrease the harmonic content of output waveform.
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摘要提出一种用于高压电能变换的新型三电平交流斩波电路,该电路允许使用低电压等级的器件完成高压电能变换,并采用较多的电平数去逼近所希望的波形,使输出电压或电流的质量大大提高,谐波含量减少。 |