concentration of air pollutant

The Disturbing Analysis of the Chlorin Ion from the Sampling Case to the Concentration of HCl in the Air;

采樣容器溶出氯離子對監測空氣中氯化氫的干擾分析

Determination of Volatile Organic Compounds in Environmental Air by Cryo-concentration/GCMS;

預冷凍濃縮系統與氣相色譜-質譜聯用測定空氣中揮發性有機物

Determination of Total Mercury in Air by Atomic Fluorescence Spectrometry;

原子熒光光度法測定空氣中的汞

Organic vapor pollutants were monitored in the atmosphere of Changchun city from September, 1997 to July, 1998.

從1997年9月～1998年7月對長春市空氣中氣相有機烴污染物進行布點監測。

Content of pollutant bacteria and mold in our campus atmosphere was tested using sedimentation plate method and with beef and Czapek s media in summer and winter respectively.

采用沉降平板法 ,選用牛肉膏培養基與察貝克培養基 (czpekmedium) ,分別在夏季與冬季檢測了校園不同環境中空氣污染細菌與霉菌的含量。

Determination of 3 kinds of aldehydes in ambient air by Capillary Gas Chromatography;

毛細管氣相色譜法測定空氣中三種醛類污染物

The indirect determining method of phosgene in ambient air by reversed-phase high performance liquid chromatography was set up.

,10 μm )為分析柱 ,甲醇 -水 (體積比為 70∶30 )為流動相 ,在 2 5 7nm波長處用紫外檢測器檢測 1,3 二苯基脲 ,建立了間接測定空氣中光氣的反相高效液相色譜法。

An HVS-1000 high\|volume sampler was modified and the sampling efficiency enhanced,by adding a cartridge filled with XAD-2 and PUF under the filter to collect PAHs in the gas phase as well as in particle of ambient air.

改裝了HVS-1000型大流量采樣器,實際工作中用濾膜"XAD-2加PUF"同時采集空氣顆粒物和氣相中的PAHs,有效地提高了采樣效率,并初步定量評價了PAHs在顆粒物和氣相中的分配;用添加替代物的方法評價了預處理過程的回收率;用乙腈和水梯度洗脫、PAHs專用色譜柱分離、紫外檢測的方法對USEPA規定的16種PAHs類優先污染物進行了定性和定量分析。

This paper fully sums up research of heat pump in Harbin Institate of Technogy in China from 1960 sto 2003, including development and research of heat pump equipments, research of air/air heat pumps air-conditioner,forecast analysis and evaluation of water-loop heat pump systems and heat pump stations in china, air source heat pumpwater chiller/heater and ground source heat pumps etc.

系統地總結了哈爾濱工業大學從20世紀60年代到2003年期間在熱泵方面的研究工作,包括熱泵設備的開發與研究、空氣/空氣熱泵空調器的研究、水環熱泵空調系統在我國應用的預測分析與評價、大型熱泵站在我國應用的預測分析、空氣源熱泵冷熱水機組和土壤源熱泵等,展示了哈工大熱泵科研工作的概況和取得的成果。