The polyunsaturated fatty acid in fish oil was esterified with conventional technology A new technologic process that was by combining the urea clathration and high-vacuum rectification was used to purity the esterified product in order to improve the quality of the product
本文在传统工艺的基础上，对鱼油中的多烯脂肪酸进行酯化，并对其酯化产物的提纯提出新的工艺路线即采用尿素包合法与高真空精馏法相结合的方法，以克服原有工艺中的不足，提高产品质量。
Through the use of finite element simulation method,a preliminary analysis for the Mechanism of reinforcement of high vacuum compacting method,a number of important design parameters had accessed;By high vacuum compacting method Treatment examples,we compared effect of high vacuum compacting method.
通过采用有限元模拟的方法,初步分析了高真空击密法中低能量强夯方法对土体加固的机理,获得了高真空击密法一些重要设计参数;根据临港地区试验块采用高真空击密法处理实例,比较了吹填土处理前的处理效果,表明场地吹填土采用高真空击密法处理后,其土体强度得到较大幅度提高,适合本场地的地基处理。
Ultra-high vacuum flange--Dimensions
GB/T6071.2-1985超高真空法兰尺寸
Ultra-high vacuum flange--Copper seal gaskets
GB/T6071.3-1985超高真空法兰用铜密封垫
Ultra-high vacuum flange--Types
GB/T6071.1-1985超高真空法兰结构型式
Measures Research of Utility-type Unit Condenser Vacuum Improvement;
大型电站凝汽器真空提高的方法研究
Applied Research of High Vacuum Compacting Method in Foundation Treatment
高真空击密法地基处理方法的应用研究
Comparative experiment of high vacuum densification method and routine dynamic consolidation method in dredger fill soil
吹填土高真空击密法与常规强夯法对比试验
THE METHODS TO STRENGTHEN THE VACUCM TIGHTNESS OF IOW TEMPERATUISE USED FRP
提高低温玻璃钢真空气密性的方法之研究
The method of increasing the unmaintained dewar high vacuum lifetime is clarified.
提出了保持杜瓦长期高真空状态的方法。
Preparation of Uranium Film by Ultra High Vacuum Magnetron Sputtering and Its Characterization
超高真空磁控溅射法沉积铀薄膜及其表面状态
Wideband Echo Simulation for High-speed Space Target
高速动态空间目标宽带回波仿真方法研究
Application of High Vacuum Compacting Method in Strengthening Soft Soil Roadbed
高真空击密法在软土路基加固中的应用
Laboratory tests on saturated hydraulic fill sandy soil by high vacuum densification method
高真空击密法加固后饱和吹填砂性土室内试验
In order to improve the ultimate vacuum of a UHV system, the gas purging methodwas used for several tests when the system were baked.
为提高超高真空系统的极限真空，在加热烘烤期间用干燥气体冲洗法进行了各种试验。
vacu-therm instant sterilizer
真空高温瞬间杀菌机
high-voltage ceramic vacuum switch tube
高压陶瓷真空开关管
oil-free ultra-high vacuum exhaust station
无油超高真空排气台
oil-free ultra-high vacuum coating equipment
无油超高真空镀膜设备
metal ultrahigh vaccum argon analyzer
金属超高真空析氩仪
