Glycerin is validated as a good solvent in extracting dem - ethanol liquid - liquidly , and thus the necessary basic data has been provided for industry extracting devices 驗證了丙三醇是液液萃取分離二乙氧基甲烷乙醇的良好溶劑,為工業(yè)萃取裝置設(shè)計提供了必要的基礎(chǔ)數(shù)據(jù)。
Abstract : aimed at the accident of chatching fire of a certain type of self - propelled antitank gun s chamber , the paper analyses the normal burning of powder and the efficiency of the gun s extracting device and other factors affecting the burning velocity , makes an improvement on the weapon system , and puts forward the requirements for using the gun under army conditions 文摘:針對某型自行火炮實彈射擊中戰(zhàn)斗室彈藥倉內(nèi)半可燃藥筒起火燃燒事故,通過對可燃藥筒完全燃燒的理論分析和火炮抽氣裝置結(jié)構(gòu)效率分析以及可能影響藥筒燃燒速度的其他因素分析,提出武器系統(tǒng)及可燃藥筒改進意見,并對部隊條件下的使用提出了要求,對改善裝備性能,預(yù)防事故發(fā)生具有重要意義。