Improving the thread pitch precision of double thread;
如何提高双线螺纹的螺距精度
Removing of Spiral Mark on Workpiece Resulted from Cylindrical Grinding;
外圆磨床磨削中工件螺旋线纹缺陷的排除
Owing to the characterization that O-superfamily conotoxin has the sequence coded by conserved signal peptide, the cDNA of Conus striatus O-superfamily was cloned using the RACE method and was sequenced.
利用O 超家族芋螺毒素具有保守信号肽编码序列的特性 ,采用RACE方法 ,对线纹芋螺O 超家族芋螺毒素的cDNA进行克隆、序列测定 ,并经化学合成 ,获得一种新型高活性芋螺多肽毒素SO3。
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