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However,the freeze-drying process provides a new way to solve this problem. The process was conducted the way a sample is precooled to-30℃,and the shelf temperature during primary drying is set to-30℃,which during secondary drying is set to 15℃.The time required for the whole freeze-drying process is a...

将样品预冻到-35℃后,一次干燥时搁板温度控制在-30℃,二次干燥时搁板温度控制在+15℃,整个冻干过程在25小时的工艺下,通过改变脐带血中冻干保护剂组分及浓度,比较冷冻干燥后有核细胞的恢复率,得出恢复率最高(68.397%)的配方(40%PVP+30%海藻糖+10%甘露醇),并比较了细胞冻干前后的形态,然后将样本在常温下放置三周后进行了P I染色活性检测(89.08%)。

They now plan to try growing ovary stem cells from common frogs and, when they find a technique that works, remove some of the yellow-legged frog cells from the cryogenic chamber and test it on them.

他们现在决定培育普通青蛙的卵巢干细胞,等他们掌握了关键技术后然后再从冷冻室内取出黄退青蛙的细胞进行试验。

The control principle of the vacuum freeze drier with a computer and PLC is introduced, and the composition of the hardware and software are presented.

介绍了用计算机和可编程序控制器对真空冷冻干燥机控制的原理,以及硬件和软件的组成。

Some applied experiences on domestication field of high speed gear pair with special structure for large scale refrigerator are recommended.

介绍了一种结构特殊的大型冷冻机高速齿轮副国产化方面的一些实用经验。

All kinds of protectants were studied under the freeze-dry condition and four types of protectants, which have good effect, were screened out.

真空冷冻干燥过程中使用的各种保护剂作了详细的研究,在各种保护剂中筛选出4种效果比较好的类型,配合成复合保护剂,在很大程度上提高了双岐杆菌在冻干过程中的活菌存活率。

The composition of the lactic acid bacteria growth medium,centrifuging condition of the bacterium cells and selection of cryogenic medium were studied .

对乳酸菌生长培养基的组成、菌体细胞的离心条件和冷冻干燥介质选择等工艺条件进行了研究。

Plastic bottles with water in them as this releases dioxins from the plastic.

不要将你的装了水的塑胶瓶予以冷冻,因为如此则塑胶

Dioxins are highly poisonous to the cells of our bodies.

不要将你的装了水的塑胶瓶予以冷冻

Plastic bottles with water in them as this releases dioxins from the plastic.

不要将你的装了水的塑胶瓶予以冷冻,因为如此则塑胶会

Don't freeze your plastic bottles with water in them as this releases dioxins from the plastic.

不要将你的装了水的塑胶瓶予以冷冻,因为如此则塑胶会释出戴奥辛。

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