screw structure theory 螺旋结构理论
screw structure without shaft 无轴螺旋
screw joint structure 螺纹连接结构
cortic's structure screw 皮质骨螺钉
The feeder is the key device of continuing explosion pulping equipment . In this paper, the methods for designing feeders with screw structure are introduced .
加料器是连续喷爆的关键设备，本文通过结构分析、数学推导，得到螺旋结构加料器的一般设计、计算方法，对圆柱形螺旋轴和带锥度的螺旋轴的计算方法加以归纳。
参考来源 - 蒸汽连续喷爆设备加料器的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Screw and barrel materials used 38crmoala, nitrogen treatment, with special screw structure.
螺杆、机筒材料采用38crmoala，表面氮化处理，采用专用螺杆结构。
The experimental results showed that the carbaryl can be intercalated into the twin-screw structure of calf thymus DNA, forming ctDNA-carbaryl adducts.
实验结果表明，甲萘威可以嵌入小牛胸腺DNA的双链中形成DNA加合物，从而使甲萘威的荧光光谱发生猝灭。
Objective To investigate the effects of the number of the screw in dynamic compression plates on the stability of plate and screw structure in torsion.
一块十二孔的动力加压钢板对称性固定，在材料试验机上进行扭转实验。
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