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- high vacuum residue 高真空蒸馏残渣
- The whole apparatus operates under high vacuum. 整个装置在高真空下运转。
- The corrosion mechanism of sulfides and the equipment corrosion status of propane deasphalting unit since processing vacuum residue with high sulfur content were introduced. 摘要 介绍丙烷脱沥青装置的硫化物的腐蚀机理和加工含硫渣油后对部分设备的影响,分析了产生腐蚀的原因。
- 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)
- Coking tests of vacuum residue,ethylene heavy tar and their mixture were conducted on a tubular coking reactor. 将减压渣油、乙烯重焦油以及它们的掺兑物在管式焦化反应器中进行共焦化反应。
- 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 effect of feed aromaticity on the reactions of vacuum residue hydrotreating was studied. 摘要 研究掺入不同芳香性重馏分油对渣油加氢反应的影响。
- 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 resins of Shengli vacuum residue were blent with saturates,aromatics from Shengli vacuum residue and paraffin from SSOT hydrogenation residue. 将胜利减压渣油中的胶质与饱和分、芳香分以及减压馏分油加氢裂化(SSOT)尾油中的石蜡进行调合。
- Influence of several dilution oils on the vacuum residue hydrotreating effect has been studied with a pilot fixed bed residue hydrotreating unit. 在中型固定床渣油加氢处理试验装置上研究了减压渣油加氢处理过程中,几种稀释油对减压渣油加氢效果的影响。
- The industrial antifoulant injected into the vacuum residue system in 1995 has enabled the long term running of vacuum distillation unit. 在减压渣油泵的入口注入工业防垢剂,取得了较好的结果。
- The inferior vacuum residue produced with Middle East crude oil can be used as raw material of delayed coking and asphalt. 由中东原油生产的劣质减压渣油,可作为延迟焦化原料,也是生产沥青的好原料。
- 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。
- The thermo-cracking of Karamay vacuum residue (VR) was carried out to find the optimum condition at which the VR was thermally cracked deeply without the coke formation. 对克拉玛依减渣进行适度热转化,确定了其裂解深度最大且不结焦的条件。
- 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。
- Blending resid FCC slurry with vacuum residue as the propane deasphalting feedstock solved the feedstock shortage of the propane deasphalting unit at Jinan Refinery. 催化裂化油浆掺入减压渣油中作为丙烷脱沥青装置的进料,解决了济南炼油厂丙烷脱沥青装置原料不足的问题。
- 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。
- The results show that the aromatic structures of vacuum residue fractions with different polarity and aromaticity can be distinguished by their synchronous flourescence spectra. 减压渣油组分的同步荧光光谱能够较好地反映出各极性和芳香度不同的组分的芳香环系大小。
- 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。