丝管是通过将蜡模浸入水化的丝蛋白溶液中制成的，有许多组织工程应用，如血管移植和神经导引。
Silk tubes, made by dipping a wax mold in aqueous silk solution, have a number of tissue engineering applications like blood vessel grafts and nerve guides.
目的探索经胸横切口暴露头静脉及使用导引钢丝、静脉鞘管引导放置起搏电极导线的成功率及临床意义。
Objective To investigate the feasibility of exposing cephalic vein with horizontal incision on the chest and the successful rate of implanting pacing leads using guide wire and split sheath.
目的探讨CT导引下硬膜外穿刺置管注射胶原酶治疗颈椎间盘突出症的临床疗效。
Objective To investigate the clinical effects of injecting collagenase by epidural puncture tube under ct guidance for the treatment of cervical intervertebral disc prolapse.
框架和贮罐(140)上的配合部分导引贮罐出口与泵入口管接合。
Mating portions on the frame and tank (140) guide engagement of a tank outlet with a pump inlet tube.
研究结果表明：回波强度受导引头光路中光学镜头的相对孔径、摄像管靶面倾斜和离焦的影响较大；扫描激光光束的入射角等因素对回波强度也有一定的影响。
Research results show that the relative aperture of optical lens, the incline and defocusing of reflection plane in TV seeker optical system reduce the intensity of the "cat's eye" reflection.
用这种方法设计的双摇杆导引机构能满足平管机械对较大直线位移的运动要求 。
On the basis of kinematics and geometry principle, the mathematical model for the double rocker arm mechanism was established.
用这种方法设计的双摇杆导引机构能满足平管机械对较大直线位移的运动要求 。
On the basis of kinematics and geometry principle, the mathematical model for the double rocker arm mechanism was established.
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