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Abstract: A scheduling problem on the single machine with fuzzy processing time is studied.
中文意思:
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 review with 11 references on the medicinal and health protection actions of rare earth elements is given on the basis of a variety of home and abroad studies. 文摘:根据国内外微量稀土元素在医药方面应用的研究,介绍了稀土元素的一系列特殊的药效及保健作用。稀士元素可广泛用于治疗烧伤、炎症、皮肤病、血栓病等。
Abstract: A review with 45 references is given on the application of triazene chromogenic reagents in photometric analysis of cadmium since 1985 with emphases on some high sensitivity and choice chromogenic reagents. 文摘:介绍了1985年以来三氮烯类显色剂在镉光度分析中的应用,着重介绍了灵敏度高、选择性好的显色剂。
Abstract: A review with 6 references is given on some formatities of trace element supplement for people including natural foods, inorganic chemicals, organic chemicals, complex trace element drugs and trace element ferments. 文摘:论述了人体补充微量元素的几种主要方式,其中包括天然食物、无机化合物、有机化合物、复合微量元素药物和微量元素载体酵母等。
Abstract: A robot slide sensor based on photoelectric devices is introduced in this paper.The sensor is mounted on a soft-grabbing control system.The experimental results are also presented. 文摘:介绍了一种利用光电器件制作的机器人滑觉传感器,并把这种传感器用在液压机械手上构成软抓取控制系统。多次抓取实验证明,这种传感器能够满足机械手抓取物体时对滑觉测量的需要。
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 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。
Abstract: A scheduling problem on the single machine with fuzzy processing time is studied. 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。
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. 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。
Abstract: A semi-adaptive triangulation of parametrically defined surface is presented. 文摘:提出了一种参数曲面的拟自适应三角化离散算法。
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 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.
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 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。
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 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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