The merits and demerits of two kinds of devices in which extracted available compositions in ginkgo biloba leaves were compared by having used different menstruum 摘要通过使用不同溶剂比较了两种装置提取银杏叶中有效成分的优缺点。
2.
He recovery of weak alcohol in pharmaceutical , foodstuff , light and chemical industries and also can be used in the distillation of methyl alcohol and other menstruum 本装置适用于制药食品轻工化工等行业的稀酒精回收。也适用于甲醇等其他溶煤的蒸馏。
3.
Secretion derangement - unliquefaction sperm the prostate is mainly exocrine gland , the prostatic fluid it secretes is important part of the sperm , not only provides menstruum circumstance for the sperm fluid , but also ensures all kinds of elements for sperm movement . here we should especially mention the gene fluidized sperm 前列腺主要是个外分泌腺体,它分泌的前列腺液是构成精液的重要部分,不仅为精子提供了适合生存的溶媒环境,还保证了精子活动所需要的各种要素,其中特别应提到的是控制精液流体状态的因子。
4.
The pertinent research work has been carried out as follows : the transparent nano - tio2 films on soda - lime glass substrates were obtained by sol - gel process . the precursor of nano - tio2 film was ti ( oc4h9 ) 4 and the menstruum was c2h5oh . the preparation conditions which were effecting the nano - tio2 quality were researched 本文主要就纳米tio _ 2薄膜的制备、探索用ecr氮等离子纳米tio _ 2的掺杂改性等开展了如下的工作:本文采用溶胶?凝胶法,以钛酸丁醋做前驱体、无水乙醇做溶剂,水解制备溶胶,然后通过提拉法制备纳米tio _ 2薄膜。
5.
The equipment can be used in the immersion , heat regurgitation , the extraction of aromatic ingredient , the recovery and forced circular extraction of residue organic menstruum and pot countercurrent extraction of traditional chinese drug , foodstuff and chemical industries with advantages of high efficiency and convenient operation 本设备用于中药食品化工行业的常压水煎温浸热回流强制循环渗透芳香油提取及有机溶媒回收等多种工艺操作。具有效率高操作方便等优点。机组装置选材优良,广泛应用于制药食品化工等行业挥发油的提取。