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high vacuum melting furnace 高真空熔炼炉,高真空冶炼炉
The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
The structure and morphology of syndiotactic polystyrene (sPS) melt crystallized in high vacuum electrostatic fields has been respectively investigated by using WAXD, DSC and SEM. 用WAXD、DSC和SEM研究了高真空强静电场下熔融结晶的间规聚苯乙烯晶体结构和形态。
To preserve(food,for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）。
To preserve(food, for example) by rapid freezing and drying in a high vacuum. 使冷冻干燥通过在高度真空状态下迅速冷冻并干燥来保存（如食物）
Macrosegregation of boron in vacuum melting pouring ingot of GH901 alloy is determined by 3 characteristics of boron in the GH901 alloy. GH901合金真空熔炼铸锭中硼的宏观偏析,是由硼在GH901合金中的三大特点决定的。
In high vacuum state,the damp water in leather can be largly pumped. 由于皮张处于高真空状态，水分抽出量增大，可缩短干燥时间令产量上升；
The cubage of the tube is small and high vacuum will be got very quickly. 计算结果表明：二极管的工作场强低于真空闪络场强；
The vacuum melting and argon protecting continuous unidirectional solidification technology was introduced, which combines vacuum inductive melting with continuous unidirectional solidification. 摘要阐述了真空熔炼、氢气保护下引法连续定向凝固工艺。
A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank. 燃油箱内的高真空，会引起大气压力压塌油箱。
Abstract The purpose of vacuum melting is to minimize the pollution of interstitial element on TiAl intermetallics,but the evaporation loss of Al in TiAl alloy melt in a vacuum will have influence on the composition of TiAl intermetallic melt. 真空熔炼的目的是避免间隙元素对TiAl金属间化合物的污染。但在真空下，由于钛铝合金熔体中铝的挥发损失将影响金属间化合物成分的准确度。
Used either solely as Rough Pumps, or in combination with other high vacuum pumps as Backing Pumps. 可单独作低真空泵用,也可与其它高真空泵组合作前级泵用。
This paper will discuss especially on the structure and working principle of continuous unidirectional solidification equipment under conditions of vacuum melting and argon shield. 本文将着重介绍真空熔化氩气保护连续定向凝固设备的结构特点及工作原理。
Leakage and degassing rate is an important parameter to evaluate the performance of high vacuum multi-layer insulated dewar. 漏放气速率是评价高真空多层绝热杜瓦性能的一个重要指标。
Under certain condition,methane can reacts with SiO_2 or high vacuum grease,generating Mylar Polyster. SiO2作掩模时,在一定的条件下,CH4会与SiO2或者真空硅脂发生反应,生成聚脂薄膜。
Very importantly, there is a vacuum chamber with high vacuum pumps and electronics to run the mass spectrometer. 拥有真空泵和电子装置的真空室质谱仪运行中重要组成部分。
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。
GID electric high vacuum butterfly valve uses electric device to drive the stemdisc to perform openclose action. GID型-电动高真空蝶是以电动装置驱动阀杆与阀板执行启闭动作。
GD high vacuum flapper valve is used to put through or cut off the airflow in vacuum pipeline. GD型高真空挡板阀用于接通或切断真空管路中的气流。
Germany Busch Vacuum Pump, which owns high vacuum degree, low noise and long service life, is adopted. 德国贝克的真空泵，真空度高，噪音低，寿命持久。