From the aspects on frost resistance and permeability and atmosphere stability of concrete,the problems existing in test evaluating method of concrete durability are summarized.
从混凝土的抗冻性、渗透性、大气稳定性等几个方面,阐述了混凝土耐久性检验评定方法中存在的若干问题。
Sampling and Determination of Different Mercury Species in Atmosphere;
大气中不同形态汞的采集和分析方法
Preliminary Study on the Particle-bound Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans in Atmosphere of Guangzhou;
广州大气颗粒物中二噁含量的初步研究
Determination of Trace Mercury in Atmosphere Using Gold Coated Quartz Sand as Adsorbent;
镀金石英砂吸附大气中痕量汞的直接测定方法
Determination of Trimethylamine in Air by Ion Chromatography;
大气中三甲胺的离子色谱法测定
Determination of N_2O in Air,Liquefied Air and Oxygen;
大气及液空、液氧中氧化亚氮测定方法的研究
Research of Fluorine Pollution in Air,Soil and Plants around the Factory of Aluminum Electrolysis;
运城市某铝冶炼厂对区域大气-土壤-植物氟污染的调查研究
Through monitoring the organic compounds of low molecular aldehydes and ketones in the ambient air of 9 sites in Gunagzhou and recording the weather condition at the same time,the relativity between weather factor and low molecular aldehydes and ketones in the ambient air was analyzed.
对广州市大气中低分子醛酮类有机污染物进行采样监测,并同步观测气象条件,分析气象因子与大气中低分子醛酮类有机物之间的相关性。
The composition and concentrations of volatile organic compounds (VOCs) in ambient air in Hockey Field District, Macao have been studied and reported in this paper.
研究了 1998年 11月澳门塔石球场小区大气发挥性有机物 (VOCs)的总体情况及空间分布。
Numeric analysis of inductive resistance probe and application in atmospheric corrosion;
磁阻探头系统腐蚀速率解析及在大气腐蚀中的应用
Review of atmospheric corrosion behavior and mechanism of aluminum alloys and it's anodic film;
铝合金及其氧化膜大气腐蚀行为与机理研究进展
Recent development in atmospheric corrosion study of materials in ChinaC continued II );
我国大气腐蚀研究进展(续2)
Kuitun environmental monitoring station monitored acid rain in 2002 for mastering atmospheric precipitation status and major contamination of Kuitun city.
为了解奎屯市大气降水状况及主要污染物,奎屯市监测站于2002年对大气降水进行了为期一年的酸雨监测。
Through statistical analysis on dada of atmospheric precipitation samples of 8 cities from 1992 to 1997,this paper deliberated on temporal and spatial variation of pH of atmospheric precipitation in Jinlin province,China.
通过对吉林省８ 个代表城市１９９２ － １９９７ 年大气降水观测数据的统计分析，对大气降水ｐＨ 值的时空分异进行了探讨。
The water source is regarded as atmospheric precipitation,and the heat source is regarded as that the groundwater is heated by itself deep circulation.
认为其水源为大气降水,热源为深循环加热,热储温度96℃,环流深度3 000~4 000 m。