After widely analyzing the existing research works on deep penetration laser welding, in view of the existing problems, the keyhole effects in deep penetration laser welding are theoretically and experimentally studied in this paper.
本文在分析现有激光深熔焊接研究成果的基础上，针对现有研究存在的主要问题，采用理论研究和试验研究相结合的方法，对激光深熔焊接过程中的小孔效应进行了较深入系统的研究。
参考来源 - 激光深溶焊接小孔效应的理论和试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The aim is to study the effects of cholecystokinin octapeptide (CCK-8) on T-lymphocyte subsets in keyhole limpet haemocyanin (KLH)-immunized mice.
目的是探讨八肽胆囊收缩素（CCK-8）对经钥孔戚血蓝蛋白（KLH）免疫小鼠T淋巴细胞亚群的影响。
AIM: To study the effects of cholecystokinin octapeptide (CCK-8) on T-lymphocyte subsets in keyhole limpet haemocyanin (KLH)-immunized mice.
目的：探讨八肽胆囊收缩素（CCK-8）对经钥孔戚血蓝蛋白（KLH）免疫小鼠T淋巴细胞亚群的影响。
Objective To investigate the therapeutic effects of neuroendoscopic keyhole technique in the evacuation of severe primary intraventricular hematoma.
目的探讨神经内窥镜锁孔技术在原发性重度脑室出血中的治疗作用。
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