差发

动脉血－肺泡气氮分压差老年原发性高血压动态血压及脉压的特点

Arterial-alveolar N2 difference Characteristics of 24 h dynamic blood pressure and pulse pressure in aged patients with essential hypertension

一如许多刚刚走出校门，从事待遇微薄的实习生工作的大学生，我有时心情很差，总想发脾气。

Like many recent college graduates working as underpaid interns , I sometimes feel out-of-sorts .

差一点就发脾气。

I almost lost my temper .

从火用的角度对低温差下半导体温差发电器的工作性能进行了分析，提出了火用效率，用火用效率来作为低温差下半导体温差发电器的评价参数。

The performance of semiconductor thermoelectric generator which work at small temperature difference is analyzed by using the theory of exergy , exergy efficiency is presented and the performance of semiconductor thermoelectric generator which work at small temperature difference is evaluated with exergy efficiency .