不同温度下,石油产品蒸馏出来的组合。温度不同,馏分不同。例如,在分馏石油时,温度在50℃—200℃之间得到的馏分就是汽油;温度在200℃—310℃之间得到的馏分是煤油。生物质热解气化是指利用少量的空气或氧气作气化剂, 在高温下将有机物转换为可燃气体的过程。尽管国内外在生物质气化技术方面已取得了一定进展, 但该技术目前仍存有许多技术上的问题, 尤其是燃气中的焦油可堵塞、污染和腐蚀燃气管道、燃气灶具等, 大大缩短设备的使用寿命, 使气化系统的正常运行受到限制。
misc. cutter stock ; cut fraction
这种装置在液/气馏分(fraction)是很小的吸收器/解吸器中不起作用。 发明概述本发明的重要目的是改善换热器中热交换面的整体性能和效率,尤其是在压缩/吸收过程中...
基于434个网页-相关网页
... distillation curve 蒸馏曲线 distillation cut 馏分 distillation stabilization process 蒸馏稳定工艺 ...
基于116个网页-相关网页
... 托布津;1,2-双(3-乙氧甲酰基-2-硫脲基)苯;硫菌灵;Thiophanate;1,2-Ph…… 馏分;cut fraction 硫菌灵;thiophanate;Topsin ...
基于40个网页-相关网页
石油馏分 petroleum fraction ; petroleum cuts ; oil distillate ; [油气] petroleum distillate
馏分收集器 fraction collector ; distillate collector ; run tank
轻馏分 light ends ; light fraction ; light cut ; light distillate
中间馏分 middle fraction ; intermediate fraction ; middle distillate ; intermediate cut
尾馏分 end cuts ; final tailing ; tail fraction
窄馏分 narrow cut ; close-boiling cut ; narrow range cut
贫化馏分 depleted fraction
The essential oil of Migao extracted by supercritical fluid extraction was separatedinto a number of fractions by molecular distillation(MD) and separated into severalfractions by traditional column chromatography.
对米槁精油的分离进行了研究,用分子蒸馏将精油切割为不同的馏分,探讨了分子蒸馏的数学模型。
参考来源 - 米槁精油提取与分离及其化学成分的研究Separated by HPIEC, P450s in fraction 7 and fraction 8 are all eluted during 5’0’’-7’0’’. Compared with microsomes, purity of P450 increased up to 6.3 fold, recovery of P450 was 17.3%.
在该条件下,馏分7和馏分8中的P450均在tR=5-7min范围内洗脱出来;与微粒体比,P450纯度提高6.3倍,回收率为17.3%。
参考来源 - 棉铃虫细胞色素P450的诱导、纯化及其性质研究·2,447,543篇论文数据,部分数据来源于NoteExpress
各种溶剂油馏分一般都需要经过精制加工。
Various solvent naphtha fraction generally have to go through refining.
这些早期的观察曾为化学馏分的结果所增补。
These early observations have been supplemented with results from chemical fractionation.
预测中还提到,馏分油库存增加600 000桶,汽油供应减少900 000桶。
A 600, 000-barrel increase in distillate stockpiles and a 900, 000-barrel decline in gasoline supplies were also forecast.
There are different kinds of cholesterol, and the first cut that people made at this were saying that there are things called HDL and LDL, which is high-density lipoproteins and low-density lipoproteins, the LDL.
胆固醇分为许多种,人们分离胆固醇时,最早得到的馏分是HDL和LDL,HDL即高密度脂蛋白,LDL即低密度脂蛋白
应用推荐