Studied slurry nebulization method for ICP-AES, including sample preparation, apparatus, calibration techniques, the major factors that influence the transport efficiencies and the nebulization efficiencies and this sample introduction techniques applications. 根据文献讨论了ICP-AES悬浮液进样技术的样品制备方法、仪器设备、校正方法、影响悬浮液进样传输效率、雾化效率和分析结果的可靠性的主要因素及其应用。
Winding the needle tube of working procedure is an important position in the automatic medical apparatus injector assembly line, It is major factor effecting the winding the needle tube of working procedure assembly quality in coordinating of winding needle 、 merging mould and scraping needle. 上针管工位是自动化医疗器械注射针装配线上的一个重要工位,影响上针管工位针管装配质量的重要因素在于上针、合模、刮针动作的协调一致程度。
Common atrial-ventricular valve 、 the interference of the tricuspid valve and its apparatus between the VSD and the aorta, and the im ˉ balance of the two ventricles were the major indications in choosing Fontan operation. 共同房室瓣、三尖瓣附属组织跨越或嵌入到VSD和主动脉之间的区域、两个心室发育不平衡是我们选择改良Fontan的主要适应证。
Stereolithography Apparatus ( SLA) process is the most well-researched and the most widespread rapid prototyping technique. The emergence of SLA is a major revolution in the manufacturing. 光固化快速原型(SLA)制造工艺是出现最早、应用最广泛的快速原型(RP)工艺方法,它的出现是制造业中的一次重大革命。
At present, the main domestic types of RFID packaging equipment and other IC packaging apparatus needs high-speed and high-accuracy visual software systems as the major auxiliary tools. 目前,国内的主要RFID封装设备以及其他各类IC封装设备都需要以高速度高精确地视觉软件系统作为主要的辅助工具。