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Studies on Micro-Computer Test and Analysis System for Dynamic Properties of Arc Welding Power Sources

弧焊电源动态特性微机测试及分析系统研究

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In the stage of micro-arc oxidation and local arc light, the coating occurs plasma discharge because of plasma chemistry and galvana-chemistry.

微弧阶段与局部弧光阶段是在等离子化学、电化学等共同作用下所发生的等离子放电过程。

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The result indicates that the coating grows in the following steps, i.e., the stage of anodic deposition, micro-arc oxidation and local arc light.

研究表明,微弧氧化过程可分为三个阶段,即:阳极沉积阶段、微弧阶段和局部弧光阶段;

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The pH value of the arborvitae × sea-buckthorn is high and bulk density is low. The content of micro aggregate which ≥ 50 μ m of it is relatively high.

侧柏×沙棘混交林地则酸性强,容重低,≥50μm的微团粒含量较高。

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5、

Aquosity concrete encaustic tile paint with energy saving and thermal insulation is prepared by taking polyacrylic emulsion as base material, filling boron modified hollow ceramic micro-sphere and infrared radiation material, and adding other proper accessory ingredients etc.

以丙烯酸乳液为基料,填充硼改性中空陶瓷微珠和红外辐射材料,并添加其它适宜的颜填料、助剂等,制备水性节能隔热彩瓦涂料。

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In macro-level, the ideal of vocational education curriculum is to perfectly achieve the social function of vocational education, the middle-level is to pursue curriculum model of modern vocational education, and the micro-level is to pursue personality and aptness development of individual.

职业教育课程的理想在宏观上体现为完美实现职业教育的社会功能,在中观上体现为对现代职业教育课程模式的追求,在微观上体现为对个体个性及才能发展的追求。

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7、

This paper introduces a kind of Micro computer protective device for middle low voltage network buses from application point.

从应用的角度出发,介绍了一种适用于中低压网络母线的微机保护装置。

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8、

Based on the research in the medium and strong polar glass capillary column, the coating on the barium sulfate micro crystal modified surface with apolar and weak polar liquid phase is investigated.

本文在中等极性和强极性玻璃毛细管柱研究的基础上,对弱极性和非极性固定液在硫酸钡微晶改性表面上的涂渍情况作了详细的研究。

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9、

The relationship between the micro environment of the two tryptophan residues and the inhibitory specificity of arrowhead protease inhibitors A and B ( APIA and APIB) was studied by mutagenesis and fluorescence spectroscopy.

通过定点诱变结合荧光光谱学方法研究了慈菇蛋白酶抑制剂A和B(APIA和APIB)Trp残基周围构象与酶抑制专一性之间的关系。

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10、

New micro vertical scissors for the surgical ablation of retinal angiomatous proliferation

新型显微垂直剪用于手术切除视网膜微血管瘤性增殖病变

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Conclusion Soft tissue local algesia treated with micro-relaxant operations was a simple and effective.

结论微型松解术治疗软组织疼痛疗效可靠,方法简单,值得进一步推广。

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14、

Methods 430 cases with soft tissue local algesia ( 20 days to l4 years) were treated with micro-relaxant operations, with the patients followed up for 3~ 6 months.

方法430例局限性软组织疼痛患者,手术松解l~3次,并随访3~6个月。

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15、

New Automotive Thermal Air Flow Meter Based on Micro, silicon

基于微硅片的新型车用热膜式空气流量计

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However, the machining performance of micro tool is low, behaved as quick tool wear, frequent tool fracture, also the machining quality is not high, there is always burr generated on the edge and in the groove.

然而,在微细铣削加工中存在微径铣刀的加工性能不高,表现为刀具磨损快、常发生破损;加工质量不高,工件的棱边、沟槽处产生毛刺等问题。

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Micro computer Measuring System of Burr and Edge Quatity

毛刺及棱边质量形貌自动检测系统

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The Sterilization effect of micro electrolysis process on anaerobic or facultative aerobe microbes in industrial circulating water system was studied under different conditions.

研究了微电解方法对工业循环水中厌氧或兼性厌氧细菌的杀灭作用,结果显示,杀菌率的大小与施加的电流密度和处理时间成正比。

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