In accordance with the problems existed in ir multicomponent gas analysis, a novel mu1tic . omponnt gas-sensitive sensor is developed by using the combination of narrow-band ir filter, light cone and pyroelectric detector array 摘要針對(duì)紅外多組份氣體分析存在的問(wèn)題,采用窄帶紅外濾光片、光錐、熱釋電探測(cè)器陣列組合技術(shù),研制了一種新型多組份氣敏傳感器。
Comprehensive studies on adsorption of ch4, n2, co2 single gas and their multicomponent gas on coal are conducted by applying physical chemistry, interface chemistry, coal petrology and coal chemical engineering knowledge 本文運(yùn)用物理化學(xué)、界面化學(xué)、煤巖學(xué)和煤化學(xué)等專(zhuān)業(yè)知識(shí),較系統(tǒng)地研究了煤對(duì)氣體的吸附作用。對(duì)不同煤級(jí)煤吸附甲烷的特征及其變化規(guī)律進(jìn)行了較詳細(xì)的分析。
As the advancement of science and technology and the development of industry, the requirements of the detection and analysis of multicomponent gases are on great rise . but existing detection methods cannot meet them . therefore, the intelligent electronic olfactory system ( electronic nose ) based on gas sensor array and pattern recognition has become the new tendency of gas detection because it can meet the main requirements such as high sensitivity, good selectivity, long-term stability, low cost and so on 隨著科學(xué)技術(shù)的進(jìn)步和工業(yè)生產(chǎn)的發(fā)展,對(duì)多組份氣體的檢測(cè)和分析的要求不斷提高,但是現(xiàn)有的檢測(cè)手段越來(lái)越不能滿(mǎn)足需要,因而發(fā)展低成本、高性能的結(jié)合了氣體傳感器陣列與模式識(shí)別技術(shù)的智能電子嗅覺(jué)系統(tǒng)(電子鼻)已成為氣體檢測(cè)的新趨勢(shì)。
Fourthly, a new high pressure gas mixing apparatus is established, and experimental procedures for gas mixing and multicomponent gas adsorption test are suggested . tests of multicomponent gas adsorption of ch4 + n2 and ch4 + co2 on different coals are performed, and the predicting model for multicomponent gas adsorption is optimized, which can guide the enhanced cbm recovery process by injection of co2 or n2 gas 研制出混配氣裝置并建立了多組分吸附實(shí)驗(yàn)方法,進(jìn)行了不同煤對(duì)ch_4+n_2和ch_4+co_2多組分氣體的吸附實(shí)驗(yàn),討論了多組分氣體吸附的變化規(guī)律并優(yōu)選出多組分吸附預(yù)測(cè)模型,為注氣增產(chǎn)工藝提供了理論依據(jù)。
Fourthly, a new high pressure gas mixing apparatus is established, and experimental procedures for gas mixing and multicomponent gas adsorption test are suggested . tests of multicomponent gas adsorption of ch4 + n2 and ch4 + co2 on different coals are performed, and the predicting model for multicomponent gas adsorption is optimized, which can guide the enhanced cbm recovery process by injection of co2 or n2 gas 研制出混配氣裝置并建立了多組分吸附實(shí)驗(yàn)方法,進(jìn)行了不同煤對(duì)ch_4+n_2和ch_4+co_2多組分氣體的吸附實(shí)驗(yàn),討論了多組分氣體吸附的變化規(guī)律并優(yōu)選出多組分吸附預(yù)測(cè)模型,為注氣增產(chǎn)工藝提供了理論依據(jù)。
Fourthly, a new high pressure gas mixing apparatus is established, and experimental procedures for gas mixing and multicomponent gas adsorption test are suggested . tests of multicomponent gas adsorption of ch4 + n2 and ch4 + co2 on different coals are performed, and the predicting model for multicomponent gas adsorption is optimized, which can guide the enhanced cbm recovery process by injection of co2 or n2 gas 研制出混配氣裝置并建立了多組分吸附實(shí)驗(yàn)方法,進(jìn)行了不同煤對(duì)ch_4+n_2和ch_4+co_2多組分氣體的吸附實(shí)驗(yàn),討論了多組分氣體吸附的變化規(guī)律并優(yōu)選出多組分吸附預(yù)測(cè)模型,為注氣增產(chǎn)工藝提供了理論依據(jù)。