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Abstract: The hardware structure, software design and the functions of theflammable gas detector controlled by AT89C52 single chip computer are introduced concretely.
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文摘:具体介绍了利用AT89C52单片机控制的可燃性气体浓度检测仪的硬件结构、软件设计以及实现的功能。 |
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Abstract: The hierarchical analytical technique is a mathematical mthod with which one can decompose step by step a complex problem that can hardly be quantified into a series of quantifiable simple problems and then seek the solutions.
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文摘:层次分析是一种将难于定量化的复杂问题，逐层分解为一系列可定量化的简单问题，进而进行求解的数学方法。 |
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Abstract: The high-frequency pulse waveform of WEDM pulse generator was analyzed. Basic condition method is presented the results is well.
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文摘:分析了电火花线切割机脉冲电源的高频脉冲波形，提出了有效的控制方法，获得了良好的综合效果。 |
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Abstract: The history and present state of the technologies making double-face fur leather were summerized.Some gists of making double-face fur le ather also were presented.
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文摘:论述了国内毛革技术的发展历史和现状及与国外先进技术之间的差距，提出了目前毛革生产的技术要点。 |
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Abstract: The history of mechatrcnics is looked back on and its development in the 21st century is looked forward to.It is pointed out that the idea of keeping improving constantly is the spirit force of mechatronics,and advance of 3C technology is its ma
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文摘:回顾了机电一体化的发展历史，展望机电一体化技术在21世纪的发展，指出：“精益求精”思想是机电一体化技术产生的精神力量，3C技术的进步是机电一体化技术产生的物质基础；社会的发展需要绿色产品，绿色产品需要机电一体化；智能化机械是机电一体化技术发展的必然结果；机电一体化技术的设计方法应该包括相互关联的7个方面，机械工程师向机电一体化工程师转化是21世纪对人才要求必然趋势。 |
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Abstract: The hollow-forging technology of supporting shaft used in construction machinery industry was initiated.From the aspects of metallography and forging technology,and its advantages , wide application future and spreding value are analyzed .
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文摘:首创在工程机械行业采用大型支承轴的空心锻造新技术，从金属学理论、锻造工艺学等方面分析了新技术的优越性及这一技术广阔的应用前景和推广价值。 |
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Abstract: The homogeneous degree of the glass batch is analysed and the formula for calculating the homogeneous degree is derived using the mathematical statistics theory in this paper.The measurement of the homogeneous degree of the batch of Pittsburgh g
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文摘:根据数理统计理论对玻璃配合料的均匀度作了分析并导出了计算公式，在此基础上对无槽平板玻璃配合料的均匀度作了测试，并对影响均匀度及其测定的因素作了分析。 |
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Abstract: The human nature views of behaviorism psychology and psychoanalysis psychology and humanistic psychology were introduced by this paper, according to Lei philosophy, author have analysed them.
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摘要本文介绍了行为主义、精神分析学派和人本主义学派的人性观，并从类哲学的角度对其进行了解读。 |
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Abstract: The humble bar code began as an object of suspicion and grew into a cultural icon. Today it's deep in the heart of the FORTUNE 500.
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摘要：不起眼的条形码开始时令人怀疑，后来成了文化的象征。今天，条形码深植于财富500家公司的心中。 |
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Abstract: The hybrid entropies proposed by several other authors are analyzed and the axiom that a hybrid entropy should satisfy is given.Moreover,we propose a new hybrid entropy.The possible applications of hybrid entropies are pointed.
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文摘:分析讨论了其他作者提出的几种混合熵并给出混合熵应遵循的公理.我们还提出了一种新的混合熵形式.指出了混合熵可能的一些应用. |
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Abstract: The hygienic condition of food-wrapping paper directly concerns the quality and safety of the wrapped food.Thus,a sample investigation was made on the wrapping paper of 60 candy,pastry and ice-cream shops and that of food stalls of Xinxiang city
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文摘:食品包装用纸卫生与否，直接关系到被包装食品的卫生质量和安全.鉴于此，对新乡市60家糖果、糕点、冰糕店及街头食品摊点所使用包装用纸进行了抽样调查.结果显示，目前市面上食品包装用纸的卫生合格率仅为72.7%，且部分食品包装用纸中铅、砷以及大肠菌群等含量均存在严重问题，需引起有关方面的重视. |
