1) Indoor concentration of carbon dioxide
室内CO2浓度
2) indoor radon concentration
室内氡浓度
1.
According to the literature concerned in China,the indoor radon concentration has been increasing significantly during the past two decades and it seems to be increasing in tendency.
通过对我国室内氡研究的相关文献资料进行的汇总和分析,表明近20年来我国室内氡浓度明显增高,并有继续增高的趋势,讨论了我国室内氡浓度控制标准及相关研究进展,并在此基础上提出了我国室内氡在环境毒理学、污染控制、标准体系方面研究的建议。
2.
This article Select 33 indoor air sampling points, 46 soil sampling points for observation indoor radon migration mechanism, influencing factors, prediction and control measure of indoor radon hazards, drawing the following conclusions:(1) Jiaozuo city annual average indoor radon concentration is 62.
(2)地质断层对室内氡浓度有一定影响,地质断层区域带室内平均氡浓度113。
3.
Recent studies reveal that indoor radon concentrations have increased in some large and medium-sized cities in China, particularly in Shanghai.
近些年的研究表明国内一些大中城市居室内氡浓度呈上升趋势,上海尤为明显。
3) CO2 concentration
CO2浓度
1.
Atmospheric CO2 concentration was determined using LI-6400 portable photosynthetic system CO2 analyzer.
为了探讨局地CO2浓度时空变化特点和绿洲不同覆被的环境效应,在甘肃省河西走廊中段临泽绿洲北部,分别于春、夏、秋、冬季利用LI-6400便携式光合作用测定系统,研究了绿洲内樟子松林、杨树林、玉米地的环境CO2浓度和空气温度、湿度、光照强度等的变化,并与沙漠区进行了比较。
2.
The environment of Zhang Jia-jie Kwan-yin Cave was investigated in detail,the main influencing factors impacting the environmental of Kwan-yin Cave including CO2 concentration,O2 concentration,temperature,relative humidity,wind speed,and the lighting system.
对张家界观音洞的洞穴环境做了详细的调查,分析了观音洞穴环境的主要影响因素有:CO2浓度、O2浓度、温度、相对湿度、风速、灯光系统。
3.
CO2 concentration in different depth of the soil was studied using CO2 test tube method for one year in Luota,west Hunan province.
采用CO2气体检测管法对湘西洛塔旱地不同深度土壤CO2浓度进行了一年的连续观测研究。
4) CO 2 concentration
CO2浓度
5) CO_2 concentration
CO2浓度
1.
This paper takes the CO_2 concentration of train compartment as the control object in order to control fresh air.
以列车车厢内CO2浓度为控制对象,实现对新风量的控制。
2.
In order to provide further insight to the response of plant to climate changes,the effects of elevated atmospheric CO_2 concentration,increased temperature and their interactions on root system structure of Betula albo-sinensis seedlings were researched with artificial enclosed-top chamber system.
CO2浓度和温度升高对植物产生了深刻的影响,为从多角度对这种影响进行研究,该文利用封闭式生长室系统控制CO2浓度和温度,以红桦幼苗为材料,研究了CO2浓度升高、温度升高以及二者同时升高对川西亚高山红桦幼苗根系结构的影响。
6) elevated CO2
高浓度CO2
1.
sylvestriformis seedlings to elevated CO2(700 and 500 μmol·mol-1) was studied.
结果表明:高浓度CO2(700μmol。
补充资料：室内
1.谓祖庙之内。室，指太室。 2.家中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条