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- Disconnecting the plug automatically switches to radio PTT. 拆开这个塞子自动转向收音机PTT。
- PTT Remote Control: No more heavy Radios in your hands. PTT远程控制：便捷的无线电接收器。
- The article studies the mechanical properties of PTT staple fibers. 研究了PTT短纤维的力学性能。
- The paper summarized the main kinds of production methods for PTT. 概述了聚对苯二甲酸丙二醇酯(PTT)的基本性质和生产工艺包括;
- Thermal stability of PTT could be improved by antioxidant. PTT中加入抗氧剂能提高PTT的热氧稳定性能。
- Good safety by self-breaking plug and automatic switch over to radio PTT. 透过对收音机的self-breaking plug和自动转接自动PTT功能。
- The results showed that PTT fabrics had soft handle, drape and anti-crease. 通过测试分析可以得出:利用PTT纤维可得到柔软、悬垂、抗皱的弹性机织物。
- The application and development prospect of PTT fiber was prospected. 并对PTT纤维的应用和开发前景进行了展望。
- The application, market and process development of PTT were introduced briefly. 简要介绍了聚对苯二甲酸丙二酯(PTT)的应用、市场和工艺发展。
- In this paper, the application of PTT fiber in woven fabrics was discussed. 对聚对苯二甲酸丙二酯(PTT)纤维在机织物中的应用进行了研究。
- How it works: A patient inhales haimless nonradioactive Xenon gas,which is tracked by a scanner as it enters the brain. 工作原理：病人吸人无害的、无放射性的氙气。氙气进人大脑后由扫描仪进行跟踪。
- One drawback: a nonradioactive dye must be administered through the child's rectum before a CAT scan can be performed. 但是有一个缺点：在做CAT射线之前，必须用一种非放射性的染料给孩子的直肠染色。
- PTT (red, left) Pit radio button. Used to call the pit crew via radio communication. PTT(左边红色按钮)维修站无线电按钮。使用时可以通过无线电通讯系统呼叫维修站工作人员。
- How it works: A patient inhales haimless nonradioactive Xenon gas, which is tracked by a scanner as it enters the brain. 工作原理病人吸人无害的、无放射性的氙气。氙气进人大脑后由扫描仪进行跟踪。
- Customised connectors, cables and special PTT versions are available on request. 可根据客户需求制作接头、电缆,和特别用于对讲机的PTT版本。
- British chemist and physicist.He won a1922Nobel Prize for developments that led to the discovery of isotopes in nonradioactive elements. 阿斯顿，弗朗西斯·威廉1877－1945英国化学家及物理学家。他因在非放射性元素的同位素的发现过程中取得重大进展而获1922年诺贝尔奖
- Methods: 141 patients with snore were included and studied with simultaneous nocturnal PSG and PTT at the same time. 方法：选择141例打鼾患者，对其同时进行整夜多导睡眠监测(PSG)及PTT监测，并对其结果进行比较。
- PTT fiber of 83 dtex can be produced from CP509249 PTT chip via POY-DTY technological process. 以CP509249 PTT切片为原料,通过POY-DTY工艺路线生产83 dtex。 PTT纤维。
- PTTCS method is feasible and reliable and has better predictive effect for PTT outcome than RTS. PTTCS方法可行,对PTT结局的预测效果优于RTS。
