In this paper, a method is investigated for calibration of gaseous reference leaks using static expansion vacuum standard and mass spectrometer.
本文介绍了利用静态膨胀法真空装置和残余气体四极质谱计校准标准漏孔的方法,通过实验验证了该方法的可行性,并给出了该装置测量范围(10-5-10-7)Pa。
Metallic powders--Determination of flowability by means of a calibrated funnel (Hall flowmeter)
GB/T1482-1984金属粉末流动性的测定标准漏斗法(霍尔流速计)
Comparison of accuracy of pedicle screw placement in the thoracic spine using funnel technique and free hand technique
漏斗技术置入胸椎椎弓根螺钉准确性研究
Covered hopper car for carrying soda powder andhopper a car for carrying coal for Botswana Railwaysare items which China won the bid.
博茨瓦纳铁路苏打粉有盖漏斗车和运煤漏斗车是齐厂在国际招标中的中标项目。
A funnel-shaped container in which materials, such as grain or fuel, are stored in readiness for dispensation.
储料器一个漏斗状容器，盛放谷物或汽油等物质以准备分发
Make a paper funnel. Hold it to one ear. Can you hear your teacher more clearly?
做一个纸漏斗，把它对准耳朵，你能更清晰地听到你老师的话吗？
Something resembling this utensil in shape.
漏斗状物外形象漏斗的物体
The Investigation of Underground Reservoir Construction in the Excess Exploited Funnel Area
超采漏斗区漏斗填充式地下水库研究
Once a penetrating chink appears, it should firstly plug up at a vortex pot on the water side of the dyke, with auxiliary drainage added on the land side.
贯穿性漏洞出现后,首先应找准漏斗,外堵为主,配以内导,抢险的重点应放在迎水面。
No opportunity, risk, or needed preparation would be overlooked.
所有机会，危险，及所要的标准，均无丝毫遗漏。
The Design of Residual Current Protector IC and Research on National Standard;
漏电保护器专用芯片的设计与标准研究
Mandatory national standard 《Inorganic waterproof plugging materials》
《无机防水堵漏材料》国家强制性标准解读
Leakage Current and Touch Current in Electronic Apparatus Standards and Electrical Appliances Standards
浅谈电子电器标准中的泄漏电流与接触电流
Research on testing technique of leakage current conforming to new standards for medical equipment
符合新标准的医疗设备泄漏电流测试技术研究
infundibulectomy of right ventricle
右心室漏斗部分切除术
rivet hopper feeder
铆钉的漏斗送料机构
glory-hole system
露天放矿漏斗开采法
funnel-type guide frame
具漏斗形承口的导向架
underground milling
地下放矿漏斗开采法