The field cultivation test showed that the survival rate of the tube seedlings reached as high as 77% the stem tubers of the tube seedlings were almost as large as those of the usual cultivation.

对试管苗进行了田间栽培试验，成活率可达77%，所结的块茎与一般栽种法所结的块茎大小接近。

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"If you have got a bunch of stem cells sitting in a test tube, that is a long way from being a beautifully, anatomically organised organ like a kidney, which is quite a complicated structure."

即使你试管里有一大堆干细胞，但你离拥有一个漂亮地，结构上像肾脏一样复杂的组织器官还很远。

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The mechanism of welding crack generation in the copper - stainless steel tube electrode stem of Vacuum Consumable Arc Furnace has been analyzed.

分析了真空白耗电弧炉铜-不锈钢异种金属套管式电极杆焊接裂纹产生的机理。

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They could be used to build an artificial artery in a test tube or the stem cells could be injected straight into the heart and they could form within it.

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Dr Reynolds, and others, have shown that under the influence of suitable growth factors, stem cells can lead full lives in a test tube.

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Sure enough, he found that the only cells that could produce new tumors in the test tube were the ones with CD133--strong circumstantial evidence that defective stem cells were the growth factor in brain cancer.

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