This equipment is used lamp sealing performance testing, which way is to lamp lumen filled with compressed air, through flow method try leakage instrument measuring its seal leakage detection device. 该设备是专用于车灯密封性能检测,检测方法是对车灯内腔充入压缩空气,通过流量法试漏仪测量其泄漏量的密封性检测装置。
Determinaton of cotton maturity coefficient by lumen width-cell wall thickness ratio method 中腔胞壁比值法测定棉纤维成熟度系数的讨论
Conclusion: The ventricular external drainage and intraventricular administration of urokinase by double lumen catheter is an effective method for hypertensive ventricular hemorrhage. 结论:双腔管尿激酶引流术是治疗高血压脑室出血十分有效的方法。
The method of mesh division of the illuminated surface in floodlighting calculation by means of the effective lumen method is described. 利用有效光通量法作泛光照明计算时被照面网格的划分方法。
The direct methods such as lumen and wall thickness constract method, can extract parameters ( wall thickness etc.) based on maturity definition. But production can not be guided well because their testing speed is slow and quantity of measured fibers is small. 中腔胞壁对比法等直接测试方法,按照成熟度的定义提取棉纤维胞壁厚度等参数,但测试速度慢、检测纤维根数少,不能很好的指导生产。