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Abstract: A safety monitor and protective device of hoist in local coal mine is introduced.It can indicate the movement and the position of the hoist vessel in the shaft directly,send out a signal slowing down the vessel in time.When the vessel is over-ro
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文摘:本文介绍了一种地方煤矿提升绞车安全监测与保护装置，能直观地指示提升容器的运动及在井筒中的位置，设置了比较完善的电器保护系统，能及时发出减速信号，当发生过卷时能自动紧急停车。 |
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Abstract: A scheduling problem on the single machine with fuzzy processing time is studied.
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文摘:研究单机模糊加工时间下确定最迟开工时间的调度问题。 |
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Abstract: A self-designed conensate treating system is used to treat thewaste gas from a foundry sand core according to an analysis of its emission features, an obvious treating effect is obrained, which reaches the national emission standard.
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文摘:通过对铸造泥芯废气排放特性的分析，采用自行设计的冷凝水洗处理系统，废气治理效果明显，达到了国家排放标准。 |
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Abstract: A semi-adaptive triangulation of parametrically defined surface is presented.
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文摘:提出了一种参数曲面的拟自适应三角化离散算法。 |
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Abstract: A semi-analytical method is used to modelling the pract ical 3-zone simulated moving bed chromatography(SMBC) process for optimal searc hing.The switch time which is the most important operation parameter of 3-zone SMBC is analyzed based on the
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文摘:针对三带模拟移动床色谱的实际模型，用一种融合了前馈与反馈的半解析优化计算方法对三带模拟移动床色谱过程进行了模拟.首先，由非线性单柱色谱理论解析地给出一个三带模拟移动床色谱的主要操作参数即切换时间值，然后利用所得结果与目标量之间的偏差来校正切换时间，在理论指导下进行优化搜索，切换时间能很快达到最佳值.将测得的系统参数引入计算，并将计算结果用于实际操作，得到了很好的分离效果. |
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Abstract: A series of techniques producing lube base oil developed by RIPP,including the technique for production of naphthenic lube oil,high viscosity base oil from sour crude and the API Group Ⅲ base oil with viscosity index more than 120 from hydrocrac
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文摘:介绍了石油化工科学研究院开发的一系列润滑油基础油生产技术，主要有环烷基润滑油生产的工艺技术，含硫原油生产高粘度指数基础油的技术以及加氢裂化尾油制取粘度指数大于120的Ⅲ类基础油技术。 |
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Abstract: A simple and economical oil removal process is introduced.In oil removal equipment,the profiled hinge is prinkled high-efficiency detergent and cleaned mechanically.Surface quality of finished profiled hinge is improved with no black carbide fil
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文摘:介绍了简便、经济的除油脱脂方法——在机械除油装置中喷淋高效清洗剂，用机械擦试的方法清洗铰链异型材，使成品退火后的异型材无碳化黑膜附着，从而提高其表面质量。 |
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Abstract: A simple and high-performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is presented.
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文摘:提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。 |
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Abstract: A simulated set up of high-speed simulated exhaust muzzle flow field is made up.Moir？
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文摘:在实验室条件下，制作了模拟膛口高速射流的装置。 |
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Abstract: A simulation method is proposed to predict the motion artifacts of plasma display panels (PDPs).The method simulates the behavior of the human vision system when perceiving moving objects.The simulation is based on the measured temporal light pr
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文摘:针对目前等离子显示屏普遍存在的运动伪像问题,提出了一种新颖的模拟计算方法,该方法实现了对等离子体显示屏运动伪像的准确、快速估计.该方法通过测量等离子显示屏不同颜色不同灰度下光信号随时间的变化情况,仿真人眼对运动图像的视觉感知行为,模拟计算出任意图像以一定速度运动下的视觉感知效果.新算法不但加入了等离子显示屏荧光粉的延迟效应的影响,而且提高了模拟计算速度.所得模拟结果与实际主观视觉感知实验相符.这种快速准确的估计使对等离子显示器件运动伪像的客观评价成为可能. |
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Abstract: A small aluminium factory, which limited by economic and technological condition, adopts wet process and dry process purification technology not worthwhile.
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文摘:小铝厂受经济、技术条件的限制，采用湿法、干法净化技术不合算。 |
