ECG Engineering ECG provides specialised electrical engineering services to the mining, utilities, materials handling and industrial industries. ECG has capabilities across all aspects of project ...

Poor R wave progression refers to the absence of the normal increase in size of the R wave in the precordial leads when advancing from lead V1 to V6. In lead V1, the R wave should be small. The R wave ...

本次QS排名收录了395所中国（内地）高校——较去年新增261所。总体而言，较去年上榜的院校中，48所排名上升，79所排名下降，7所排名持平。今年有五所中国（内地）高校升至百强。北京航空航天大学跃升26位，今年并列第100名，创下该校历史最高排名。

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...

You miss out on an always-on display and a few health sensors (ECG and temperature), but it otherwise offers almost all the other connectivity, safety, and fitness features of the Series 10 for $150 ...