1.
With approval, airflow may set back to6 air changes per hour when space is unoccupied.
如经过同意，当实验室无人时，可以将换气量降为6次每小时。
2.
A research on air-sea interface heat exchange under the tropical cyclone
热带气旋过程中海-气界面热量交换
3.
Flow Conversion of the Gas Rotameter under Nonstandard Calibration
非标刻度气体转子流量计的流量换算
4.
energy balance and transformation of general circulation
大气环流的能量平衡和转换
5.
ocean-atmosphere exchange
海洋大气间的物质能量交换
6.
On Improving the Quality of Exchange Air of Vessel Diesel
提高船舶柴油机换气质量的管理策略
7.
HEAT EXCHANGE ON AIR-SEA INTERFACE OF SOUTH CHINA SEA AND EAST CHINA SEA IN 1986
1986年东海与南海的海-气界面热量交换
8.
Study on Heat Exchange Performance of Air-to-Air Plate Heat Exchange Ventilator
空气—空气板式全热交换器热量回收性能的研究
9.
Testing compressor aerodynamic performance in the power conversion unit of HTGR-10
高温气冷堆HTGR-10能量转换单元中压气机气动性能试验研究
10.
Ventilation is carried out according to the minimum air volume in the specifications.
并按说明书中的最低通风量进行通风换气。
11.
Never swap gauges or inlet fittings, and never change gas service.
禁止交换量表或入口配件，禁止改变气体设施。
12.
Determination of Mass Ratio of Orthohydrogen and Parahydrogen in Hydrogen Gas by FT Raman Spectrometry
傅里叶变换拉曼光谱测定氢气中正-仲氢质量比
13.
Metering of Domestic Gas Meter in NG Conversion
天然气转换中居民用户计量的对策研究
14.
Research and Development on Air-driving Generator for Air Energy Recuperation of Pneumatic System;
气动系统能量转换回收装置的研究与开发
15.
Mercury Exchange Fluxes between Soil and Air in Mercuriferous Belts;
汞矿化带土壤/大气界面汞交换通量研究
16.
The CO_2 Flux at Sea-atmosphere Interface in the South Yellow Sea in Spring and Comparing with It in Summer;
南黄海春季CO_2海—气交换通量及其与夏季的比较
17.
Method and application of the air energy transition based on psychrometric energy theory
基于湿能理论的空气能量转换方法和实践
18.
Distribution and Air-Sea Fluxes of N_2O in South China Sea in Spring
春季南海溶存N_2O的分布特征和海气交换通量