Flame observation: If it shown yellow in flame cone, blue around, and the opposite wall could be seen through peep hole, that means the blending ratio of air and coal gas is ok. If air excess, it shown sky blue, bright, and the wall of combustion chamber could be seen clearly but dulling. If coal gas excess, it shown dark red, muddiness, and the wall of combustion chamber could be seen hardly.

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Taken Qinshui Basin as an example a predictive model of gas content is established by multiple stepwise regression analysis, using Langmuir volume and gas saturation as its parameters. The result of multiple correlation coefficient testing, F-testing and t-testing indicates that the model meets the hypothesis testing of linearity and its matching effect is preferable.

以沁水盆地為例黄色不良网站十八岁以下禁止入内，運(yùn)用多元逐步回歸分析方法国产精品美女视频一区二区，建立了以Langmuir體積和含氣飽和度為參數(shù)的含氣量預(yù)測模型；復(fù)相關(guān)系數(shù)黄大片一级、F檢驗(yàn)女生的奶罩(黄片)、t檢驗(yàn)結(jié)果表明，該模型滿足線性與方差齊性的假設(shè)操你视频，擬合效果較好看无码国产毛片视频直播。

The peroxide decontamination products of mustard gas were separated and detected by gas chromatography-mass spectrometry.

采用氣相色譜－質(zhì)譜技術(shù)對芥子氣的過氧化物消毒產(chǎn)物進(jìn)行了分離和檢測。

The peroxide decontamination products of mustard gas were separated and detected by gas chromatographymass spectrometry.

采用氣相色譜-質(zhì)譜技術(shù)對芥子氣的過氧化物消毒產(chǎn)物進(jìn)行了分離和檢測一级在线视频了。

An explosion spread lethal chemical agents, including mustard gas, VX gas and sarin ...

爆炸蔓延的致命性化學(xué)制劑人人操,人人弄，包括芥子氣， VX的天然氣和沙林毒氣

It is pointed out that there can be good oil and gas shows when source, reservoir and caprock are well configurated in thrust nappe structure which is considered as favorable oil and gas exploration area in China.

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It reveals the duality and the complexity of natural gas combustion with the pilot diesel ignition. Furthermore, The injection of natural gas is used to perfect dual fueled engines

深入探索雙燃料燃燒的基本規(guī)律和特性，以及采用先進(jìn)的控制技術(shù)是雙燃料發(fā)動機(jī)應(yīng)用發(fā)展的關(guān)鍵問題黄色视频在线观看wwww。

Yulin operations in Southern District, the jurisdiction of the Second District more gas, and a large number of alcohol injection of natural gas will not only increase production costs, At the same time to the operation area of the site management has brought a great deal of inconvenience.

榆林南區(qū)作業(yè)二區(qū)管轄氣井較多国产主播在线小蝌蚪，且大量注醇不但增加了天然氣生產(chǎn)成本，同時給作業(yè)區(qū)的現(xiàn)場管理帶來了極大的不便A片在线一区看。

The parameters in natural gas advanced reburning zone that influence the efficiency of de-NOx were studied in detail considering the injection amount of natural gas, initial concentration of NO, excess ratio of oxygen, the injection amount of ammonia, concentration of H2O, concentration of sodium in the experimental equipment.

建立實(shí)驗(yàn)裝置中文字幕xfplay男人资源站，對先進(jìn)再燃區(qū)中各種影響參數(shù)：天然氣噴入量、一氧化氮初濃度人人看人人射人人操、過量氧氣系數(shù)青青青国产中文在线视频免观看、噴氨量、水蒸汽量、鈉濃度等對脫硝效率的影響進(jìn)行深入實(shí)驗(yàn)研究成人免费va视频。

With the big project such as national transmission of naturalgas from the west to the east started and urban gas pipeline installed, the technique of tapping and plugging without interruption of service is extensively applied in transporting oil and gas, chemical engineering, water supply and water draining and other areas.

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