According to the data of sample the time weighted average concentration ( TWA ) of each sampling spot were calculated .

根据测定的数值计算出每个测尘点的时间加权平均浓度（ TWA）。

An Algorithm for Detecting T-wave Alternans ( TWA ) Based on the Maximum of T-waves

基于T波最大值的T波电 交替分析法

Applying the rate equations to a train of strong pulses through a travelling-wave semiconductor laser amplifier ( TWA ) a simple first-order differential equation has been derived to determine the output pulse or the singal gain of the TWA .

对于一串强脉冲信号通过行波半导体激光放大器（ TWA）时，应用速率方程推导出一个简化的一阶微分方程，可用来确定输出脉冲信号或TWA的信号增益。

TWA is starting up fiights to europe .

环球 航空已经开发了去欧洲的航线。

TWA wiII begin fiights from New York to paris .

环球 航空将开始从纽约到巴黎的航班。

Objective To investigate value of T wave alternans ( TWA ) to complex ventricular arrhythmias .

目的探讨T波电 交替对预测复杂性室性心律失常的价值。

She had not gane a mile but twa .

她走了不过 一二里路。

Conclusion Long time exposure to DNT could inhibit antioxidation ability induce toxic hemolytic anemia and liver injury and the suggesting MAC and TWA of DNT in workplace should be 05mg / m3 / m3 respectively .

结论DNT主要抑制机体抗氧化能力，易导致中毒性溶血性贫血，可对肝脏产生不良影响。建议作业场所空气中的DNT的MAC为05mg/m3， TWA浓度为03mg/m3。

Methods 20 mormal cases and 20 consecutive TWA cases were analyzed to see if complex ventricular arrhythmia happen by ambulatory electrocardiography .

方法对照分析20例 T 波 电 交替患者与20例正常人的动态心电图复杂性室性心律失常发生情况。

Where is the TWA office ?

请问 环球 航空 公司在哪儿？

The process of the TWA detection is as follows : First is demarcating the ECG characteristics .

TWA检测的主要过程如下：第一，对QRS波群特征量的标定。

By that time Pan Am wiII have bought twa .

到那个时候，泛美航空会收购 环球 航空。

Travel Agent : I cannot tell you that . I would have to call up TWA .

旅行社代理人：我不知道，我得打个电话给 TWA 查 一查。

Objective To evaluate the methodology of time-domain analysis of T wave alternation ( TWA ) and the value of T wave alternation basing on dynamic electrocardiogram in predicting early ventricular fibrillation ( VF ) during hospitalization in senile patients with acute myocardial infarction ( AMI ) .

目的探讨基于动态心电图记录的时域法T波 电交替（ TWA） 检测方法及其对老年急性心肌梗死（AMI）患者住院期间心室颤动的预测价值。

Methods Personal benzene exposure was sampled with 3M organic vapor monitors . The time weighted average concentration ( 8h-TWA ) and the cumulative dose were calculated .

方法用3M有机气体 被动式采样器监测个体 接苯浓度，计算8 小时时间加权平均浓度（ 8h TWA）和累积接苯浓度。

This paper treats the double and multiple beam TWA and BWO from a unified coupled-mode point of view .

本文从模式耦合的统一观点出发，研究了双电子注和多电子注行波 放 大管和返波振荡管的 换能作用。

A phase spectra alignment algorithm was also developed for lower sampling frequencies which reduce the influence caused by detector misalignment while detecting tiny TWA amplitudes .

并提出基于相位谱 修正的波形对准算法，降低了低采样率下 心 电信号误对准噪声对 T 波 交替检测的影响。

Prognostic Value of Cardiac Troponin T Echocardiography and ECG in Patients with Confirmed Pulmonary Embolism New Controversy for TWA Predicting Sudden Cardiac Death in Patients with Heart Failure

心肌肌钙蛋白T、心脏彩超和心电图评估急性肺栓塞的预后 T 波 电 交替预测心力衰竭病人心源性猝死价值的新分歧

In the past when a big airline went out of business parts of it were acquired by rival airlines which honoured its frequent-flyer miles . When TWA went bust in 2001 its loyalty programme was absorbed by American .

过去，一家大型航空公司破产了，竞争对手公司可能会收购其某些部门，其飞行常客积分计划也随之2001年， 环球航空公司破产时，其常客奖励计划由美国航空吸收。

TWA is a cardiac electron variational phenomenon it reflects that T-wave morphology polarity and amplitude occur beat to beat alternans .

T波电交替（T-wavealternans， TWA ）是体现在体表心电图上T波形态、极性和振幅逐拍交替变化的一种心电变异现象。

TWA must have given you the worst flight in your life !

环球 航空 公司一定给你 安排了你一生中最差劲的航班！

TWA Flight 401 to Boston continuing to Paris is now ready for boarding at Gate 3 .

环球 航空 公司飞往波士顿后飞往巴黎的401次航班已经准备就绪。请旅客们由三号门登机。

Make use of emulation database to describe poincare mapping shapes and TWA values .

利用仿真数据对散点图形状进行描述以及 得到 的 TWA的幅值数据。

New Controversy for TWA Predicting Sudden Cardiac Death in Patients with Heart Failure

T 波 电 交替预测心力衰竭病人心源性猝死价值的新分歧

Research on Detecting the Nonstationary T-wave Alternans ( TWA ) Based on Correlation Method

基于相关分析方法的非稳态心电T波 交替检测研究

The simplification of the rate equations to a train of strong pulses through TWA

一串强脉冲信号通过 TWA 时速率方程的简化

His artwork has been seen on ABC 's World News Saturday Good Morning America and Pan Am and TWA 's in-flight programs .

他的作品已被视为美国广播公司世界新闻周六，早安美国，泛美和 环球 航空 公司的飞行计划。