A method for distillation of 1.2-dichloroethane containing high-boiling substances in a high-boiling column is disclosed, which comprises distilling the 1,2-dichloroethane in said high-boiling column at an overhead pressure higherthan one atmosphere (absolute), introducing the 1,2-dichloroethane gas ...
StandardTestMethodfor Distillati。n。fPetroleumPr。ductsandLiquidFuelsat Atm。sphericPressure(MicroDistillationMeth。d)1,2 ThisSia,叫a时邸,SSυedun由rthefixedclesignat,。n07345;thenumberimmediatelyfollowing巾edesignationindicat皑白cyearof origi”;•Ind呵,dono民in1hccaseofrcv;si。”,1hcyearofInst...
Designation: D2892 − 17Standard Test Method forDistillation of Crude Petroleum (15-Theoretical PlateColumn) 1This standard is issued under the f i xed designation D2892; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year...
A. The technology rests in the hands of a few countries. B. It can only provide a small number of freshwater. C. It is expensive and difficult to transport. D. It is not E. ffective as reverse osmosis. 相关知识点: 试题来源: 解析...
A method for the continuous distillation of piece strength hard coal, in particular hard coal briquettes, by means of directly heated gases actingSCHMIDT JOSEF DR.
Processes for the continuous fractional distillation of a mixture containing morpholine (MO), monoaminodiglycol (ADG), ammonia and water from a reaction of diethylene glycol (DEG) with ammonia, the process including: (i) separating off ammonia from the mixture at a top of a first distillation ...
accounts for 20 to 30 percent of the total weight of dry-distillation oil shales, the dry-distillation oil refining of the oil shales can be realized by utilizing the traditional gas heat carrier dry-distillation process or the traditional solid heat carrier rotating dry-distillation process, the...
aFigure 2 summarizes our arguments for firm-level appropriation and capabilities as drivers of mode choice. We turn next to explicating these two mechanisms. 图2总结我们的论据为牢固级专有和能力作为方式选择司机。 我们在引伸这二个机制旁边转动。[translate] ...
2 adduct. Both the 1,4 adduct (systematically named 4-bromo-3-methyl-2-buten-l-ol acetate) and the l,2 adduct (l-bromo-2-acetoxy-2-methyl-3-butene) are readily separable both from the reaction mixture and from one another by fractional distillation. allylic卤化物作为期望1,4加合物和25...
This method is based on the co-distillation of the starting material... FA Pimentel,CMD Gra?As,APSP Salgado,... - 《Química Nova》 被引量: 68发表: 2006年 Analysis of forskolin in Homoeopathic tinctures by validated HPLC method A simple, short and easiest procedure for quantitative ...