Results 91 to 100 of about 56,740 (148)
真空电弧放电的状态是通过许多不同方面反映出来的具有许多特性,例如:从热的角度看,有电弧温度包括电子温空、离子温度、中性粒子温室。从电流上看,有电弧电流,电流密度分布,离子电流等等。所有这些构成了电弧的一系列参数。具体地反映了电弧的性质、电弧的形态。本文综述了纵向磁场对这些参数的影响和真空电弧理论的研究。
doaj
[Combined assessment of gastric mucosal damage associated with <i>Helicobacter pylori</i> infection in children by virulence factors and pepsinogen]. [PDF]
Huang CL, Lin Q.
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本文提供一个气体灭弧断路器的热力学分析及过程数值模拟计算方法。在电流、电压、机械动作对时间关系及结构参数己知的条件下,用于计算吹冷电弧的外气流热力学参数包括温度、压力及流量对时间的关系。这种计算结果对于压力室 ...
顾琅, 薜明伦
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[Collaborative motion control method for dual-arm surgical robots based on hybrid multi-stage optimization]. [PDF]
Lin B, Li K.
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[Tympanic membrane repair using improved endoscopic ear canal flap dissection method]. [PDF]
Sun H, Song R, Yu Z.
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[Polydimethylsiloxane microfluidic aptasensor: opening a new era of biomarker point-of-care testing]. [PDF]
Yang Y +5 more
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[Comparative study on accuracy of three imaging methods in diagnosis of subacromial impingement syndrome]. [PDF]
Zi L +7 more
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[One-stage operation surgical efficacy observation of congenital preauricular fistula infection and static period of inflammation in children]. [PDF]
Wang X, Zhang R, Zhang J, Cai C, Ma S.
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将麦克斯韦方程组转换为电磁场传输方程,并建立了三维电磁场数学模型。计算50t直流电弧炉30kA下的磁场强度和电流密度,并实测其磁场强度分布,计算值和实测结果相吻合 ...
王开力,谢裕生,傅杰,马廷温,郭鸿志
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