减压干燥

结果直接干燥法、减压干燥法测定耗时长。

ResultsDirect drying method and vacuum drying method consumed long time .

荔枝常压与减压干燥过程的试验研究

Experiment and Research on Lychee Drying Under Atmosphere and Decompression

应用减压干燥法测定十三香中水分的研究

Study on determining water of thirteen-spices with hypobaric drying method

而采用海砂拌样减压干燥法适合大蒜总糖的水分检测。

But drying method which uses sea sand to deal with samples could be successfully used for determination in vacuum .

结果冷冻干燥法、喷雾干燥法的阿魏酸含量损失率均低于减压干燥法；

Results Effect of on the rate of the loss of ferulic acid with freeze drying and spray drying was lower than that of depression dry .

减压干燥后两个化合物分别减少了20.2%和45.6%，常压干燥后，两个化合物均检测不到。

The two components decreased by 20.2 % , 45.6 % , respectively , after drying in vacuo , and they were not observed after drying under atmospheric pressure .

结论采用海砂拌样减压干燥法简便、易行、实用，适用大蒜总糖样品的分析。

ConclusionDrying method which uses sea sand to deal with samples is simple and practicable , can be used for the moisture determination of the garlic total sugar samples .

文章用减压干燥法测定十三香中水分，结果表明该法与蒸馏法没有显著性差异，具备操作简单，结果准确，克服了蒸馏法操作烦琐、使用试剂有毒等缺点。

This paper shows there is not significance difference between hypobaric drying method and distilling method , determining water of thirteen-spices with hypobaric drying method which operate simply , determine accurately , overcome shortcoming of operation complex and having poison .

实验研究了在负压0.1MPa的情况下，五水四甲基氢氧化铵与异丙醇共沸4h，然后减压真空干燥得到四甲基氢氧化铵三水结晶化合物的过程。

The study depicts the process of tetramethyl ammonium hydroxide pentahydrate and isopropyl alcohol azeotropic in the case of negative pressure 0.1 Mpa for 4h , and then dried by vacuum .

成型工艺研究：将浓缩液减压真空干燥，粉碎成浸膏粉。

The forming technology : after decompressing and drying the concentrated extract at vacuum , the dry extract was crushed into powder .

日本制茶新技术主要是：（1）利用冷冻→减压→高频干燥新工艺制作速溶茶。

In Japan , new technology on manufacture of tea comprises four aspects : ( 1 ) Instant tea was made by freezing , reduced pressure and high frequency drying ;

调节反应产物的pH值，在去离子水中透析，减压浓缩后真空干燥。

Control pH value of the product and then was dialyzed in de-ion water for 12 h ; lastly concentrate the product in the vacuum drier .

最后，对该浓缩液进行减压浓缩或喷雾干燥，即得到浓液状或粉状的水解动物蛋白产品。

Then the permeates was concentrated by reverse osmosis or dried using a spray drier .