Chemical analysis of zirconium powder for electro - vacuum uses - the sulfosalicylic acid photometric method for determination of iron 电真空用锆粉化学分析方法磺基水杨酸光度法测定铁
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes 电真空器件及电光源用细钨丝钼丝和薄带密度的测试方法
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuum tubes 电真空器件及电光源用细钨丝钼丝和薄带密度的测试方法
Chemical analysis of zirconium powder for electro - vacuum uses - the gravimetric method for determination of total zirconium and active zirconium 电真空用锆粉化学分析方法重量法测定总锆及活性锆
Methods for chemical analysis of zirconium powder for electro - vacuum uses - the combustion - gravimetric method for the determination of hydrogen content 电真空用锆粉化学分析方法燃烧重量法测定氢量
Chemical analysis of zirconium powder for electro - vacuum uses - the atomic absorption spectrophotometric method for determination of calcium and magnesium 电真空用锆粉化学分析方法原子吸收分光光度法测定钙,镁
High current electron gun ( hceg ) is an important component and significant to performance of microwave and millimeter wave tubes 强流电子枪是微波与毫米波电真空器件的重要部件之一,它的设计对于微波毫米波器件的性能有着至关重要的影响。
A corporation is a listed corporation which deals in broadcasting and communication transmitting tube , vacuum interrupter , and the likes of electro - vacuum device . copper is one of the most important materials which a corporation uses A公司是电子元器件类上市公司,其主营产品为广播电视发射管、真空开关管等电真空器件,铜是公司产品所使用的主要原材料之一。
Based on reliability , safety and maintenance costs , the method of quantitative analysis of equipment preventive maintenance interval has been studied , and the given example shows that both the model and method are effective 基于电真空器件的失效规律，从可靠性、安全性、经济性方面研究了电真空器件预防性维修间隔期的定量分析方法，结合算例论证了分析模型的有效性。
Mainly for capacitance , semiconductor , jingzhen , resistance , ic chips , jiechajian procedures , connecting pieces , switching devices , silicon , triode , diode , piezoelectric ceramic base films , tubes , electron tubes , electronic stamping , precision metal parts , production processes between cleansing processes 芯片接插件连接件转接器硅片三极管二极管压电陶瓷基片显象管电真空器件等内精密电子冲压五金零件，生产加工过程工序间的清洗。
