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Abstract: A process scheme has been introduced for machiningra ther bigpress stand with high precision.
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文摘:文章介绍了一种加工高精度中大型压机机架的工艺方案。 |
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Abstract: A quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given.
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文摘:对于聚变反应堆中超导载流磁体在稳态电流基础上受到脉冲电流影响时的动力稳定性给出了定量分析方法。 |
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Abstract: A relatively direct method is expounded in this paper to prove the termwise differentiation of power series, and a simple method is expressed to calculate the Fourier coefficient.
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文摘:用比较直接的方法证明幂级数的和函数在收敛域内可以逐项微分的公式；并得到了计算傅立叶系数的一种简便方法. |
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Abstract: A review for improvement and current situation about the dressing,metallurgy of platinum ores,a technical line and principal principle of treating the mineral intergrowth,technical index of floatation concentration,technical problems and trouble
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文摘:评述了原生铂矿选冶技术发展现状，处理该类共生资源的技术路线和基本原则及其浮选富集工艺指标，湿法冶金处理浮选精矿的技术问题和难点。 |
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Abstract: A review on the development of inductively coupled plasma atomic emission spectrometry including basis research, sampling techniques, application and instrumentation development is presented. 108 references are cited.
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文摘:综述了近年来电感耦合等离子体原子发射光谱在基础理论研究、进样技术以及广泛的分析应用领域方面的进展，并简介了对仪器装置的改进和研制。引用文献108篇。 |
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Abstract: A review with 10 references is given on the relationship between trace elements and the health of human body including the physological function of Fe,the immunity function of Se and the poisonous effect of Pb.
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文摘:讨论了微量元素与人体健康的关系及其在体内的代谢平衡问题，包括:铁的生理功能、硒的免疫功能、铅的毒害作用。 |
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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.
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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。 |
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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.
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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。 |
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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.
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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。 |
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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.
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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。 |
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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。 |
