Advanced instrument and testing techniques including adopting mercury injection apparatus, specific surface analyses apparatus, porosity - permeability measurement apparatus, isothermal adsorption instrument and drill core flow experiment system, etc., are also adopted. on the basis of study on gas zoning, known cbm show and its component, generating mechanism of low coal rank cbm are discussed. the author pointed out that generated cbm should consist of primary biogenic methane gas in lignite stage, thermogenic methane gas in long - flame coal to gas / fat coal stage, and deuterogenic biogenic methane gas in coal seam imbedded stage
在本區瓦斯分帶、已知煤層氣顯示及其組分研究基礎上,探討了低煤級煤層氣的生成機制,指出生成的煤層氣應包括褐煤階段的原生生物甲烷氣、長焰煤?氣肥煤階段的熱成因甲烷氣和煤層埋藏階段的次生生物甲烷氣三種成因甲烷氣體;進而論述了煤儲層含氣飽和度、臨界解吸壓力、臨儲壓力
比、
地解壓差等甲烷解吸特徵,實測與理論含氣量、煤層氣資源量與資源豐度等煤儲層含氣性特徵。
These measurements are complemented by measurements of the flow field downstream of the cascade. the integrated losses and locations of secondary flow features with and without endwall film - cooling are determined for variations of both coolant supply pressure and injection location
以無端壁氣膜冷卻和有端壁氣膜冷卻兩種情況進行研究,對
比地獲得了兩者的綜合損耗和二次流特徵區域隨冷卻氣體供給壓力和注射位置的變化規律。
According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo
本文針對復雜
地表低信噪
比地區
地震資料的特點,以解決復雜
地表低信噪
比地區
地震資料靜校正問題及合理剔除各類干擾為出發點,在整個
地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜
地表低信噪
比地區的處理方法,最終形成一套較完整且有效的針對復雜
地表低信噪
比地區
地震資料的處理流程。
French historian has caused uproar by claiming napoleon provided the model for hitler ' s final solution with the slaughter of more than 100, 000 caribbean slaves
法國一位歷史學家提出,拿破崙屠殺超過10萬名加勒
比地區奴隸的行為,為希特勒針對猶太人的「最終解決」大屠殺行動提供了模板。
A french historian has caused uproar by claiming napoleon provided the model for hitler ' s final solution with the slaughter of more than 100, 000 caribbean slaves
法國一位歷史學家提出,拿破崙屠殺超過10萬名加勒
比地區奴隸的行為,為希特勒針對猶太人的「最終解決」大屠殺行動提供了模板。
Social networks were more important than geographic location, the study found
研究發現,社會網路
比地理位置更加重要。
Caribbean : region ' s response to aids still slow jamaica gleaner ( kingston ) ( 10. 04. 07 ) on wednesday at the sixth annual american chiefs of mission conference on hiv / aids in new kingston, experts said progress against the disease in the caribbean region remains frustratingly slow
加勒比地區:加勒比地區在抗擊艾滋行動中始終動作緩慢集錦報(金斯敦) 2007年10月4日在新金斯敦周三召開的第六屆年度美洲首腦艾滋病專題會議上,專家稱在抗擊艾滋行動中,加勒比地區始終動作緩慢。