The selection and test determination of smooth blasting parameters, layout of snubbers, charging structure, initiation device, tubing effect, blasting effect and its properties are involved.
其中涉及到光面爆破参数的选择与试验确定，掏槽眼的布置方式、装药结构、起爆手段、管道效应、爆破效果及特点。
The micro wear mechanism for PEN is plastic flow and broken of the fiber structure, while that for PI is crack initiation, extending and block fracture.
PEN薄带的微观磨损机理主要是纤维组织的塑性流动和拉断，而PI薄带的微观磨损机理为裂纹的萌生、扩张和块状剥落。
The secondary structure of the translation initiation region (TIR) is a determinant factor for translation initiation rate, meanwhile, codon preference plays an important role, too.
翻译起始区(TIR)的二级结构是影响翻译效率的决定性因素，同时密码子的偏好性问题也是个至关重要的方面。
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