搜索结果: 1-15 共查到“工学 Methane”相关记录69条 . 查询时间(0.074 秒)
ANOMALY IDENTIFICATION FROM SUPER-LOW FREQUENCY ELECTROMAGNETIC DATA FOR THE COALBED METHANE DETECTION
Electromagnetic Super Low Frequency Coalbed Methane non-Gaussian Class B model Least Square Gradient Adaptive filter
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2016/11/30
Natural source Super Low Frequency(SLF) electromagnetic prospecting methods have become an increasingly promising way in the resource detection. The capacity estimation of the reservoirs is of great i...
DETERMINATION OF METHANE SOURCEX GLOBALLY BY SCIAMACHY
Methane Methane Sources Emission concentration SCIAMACHY Broadleaf evergreen forest
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2016/11/30
Since the beginning of the industrial revolution, the atmospheric concentration of carbon dioxide (CO2) has increased by nearly 30%, and the Methane (CH4) concentration has more than doubled. CH4 is t...
REMOTE SENSING APPLICATION IN HIGHER PERMEABILITY AREA PREDICTION OF COAL BED METHANE
Remote Sensing Geology Application Prediction Coal Bed Methane Permeability Analogue Analysis Linear Feature
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2015/12/29
As clean substitute energy source, coal bed methane is widely attractive worldwide. Remote sensing plays very important role in coal exploration in past experiences, it is also potential in coal bed m...
PASSIVE ULTRA-LOW FREQUENCY ELECTROMAGNETIC DETECTION TECHNOLOGY FOR COAL BED METHANE AND ITS APPLICATION
Ultra-Low Frequency Electromagnetic Wave CBM Exploration Geophysical Method
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2015/12/29
Based on analysis of the significance of the coal bed methane exploration and development and the deficiency of the conventional coal bed methane exploration methods, the paper proposes a new technolo...
New study reveals mechanism regulating methane emissions in freshwater wetlands
mechanism regulating methane emissions freshwater wetlands
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2015/7/13
Though they occupy a small fraction of the Earth's surface, freshwater wetlands are the largest natural source of methane going into the atmosphere. New research from the University of Georgia i...
Experimental Investigation into Combustion Torch Jet Ignition of Methane-Air, Ethylene-Air, and Propane-Air Mixtures
Torch Jet Hot Gas Jet Ignition Ethylene Methane Propane
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2015/1/12
Ignitability and the ignition delay time of a combustible mixture in a long combustion chamber, ignited by a hot combustion torch jet generated in a pre-chamber was investigated experimentally in rela...
Remote Sensing Based Methane Emission Inventory Vis-A-Vis Rice Cultural Types Of South Asia
Methane IPCC Rice cultural types South-Asia Remote Sensing GIS
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2014/12/15
Rice cultivation has been recognized as one of the major anthropogenic source for methane (CH4) emissions which is a microbial mediated anaerobic activity, mainly favoured by the flooded conditions in...
Scientists discover carbonate rocks are unrecognized methane sink（图）
carbonate rocks methane sink
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2014/12/1
CORVALLIS, Ore. – Since the first undersea methane seep was discovered 30 years ago, scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse ga...
UGA research examines fate of methane following the Deepwater Horizon spill
UGA research examines fate methane following Deepwater Horizon spill
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2014/6/12
Athens, Ga. - The 2010 Deepwater Horizon blowout discharged roughly five million barrels of oil and up to 500,000 metric tonnes of natural gas into Gulf of Mexico offshore waters over a period of 84 d...
Paradox reconsidered: Methane oversaturation in well-oxygenated lake waters
Paradox reconsidered well-oxygenated lake waters
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2014/4/2
pThe widely reported paradox of methane oversaturation in oxygenated water challenges the prevailing
paradigm that microbial methanogenesis only occurs under anoxic conditions. Using a combination of...
Rice University laser scientists create portable sensor for nitrous oxide, methane（图）
laser sensor
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2014/3/18
HOUSTON – (Jan. 22, 2014) – Rice University scientists have created a highly sensitive portable sensor to test the air for the most damaging greenhouse gases.
Stabilities of zeolite-supported Ni catalysts for dry reforming of methane（图）
Carbon dioxide Dry reforming Methane Nickel catalyst H-ZSM-5 zeolite Carbon deposition
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2013/9/27
Ni/γ-Al2O3, Ni/Y-zeolite, and Ni/H-ZSM-5 catalysts were prepared using the incipient wetness impregnation method. Their catalytic performance in dry reforming of methane was studied. The fresh and use...
TOTAL COLUMN METHANE RETRIEVALS USING THE TROPOSPHERIC INFRARED MAPPING SPECTROMETER OVER SUNGLINT
Exploration Oceans Aerial Hyper Spectral Detection Sensor Algorithms
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2014/4/29
Because it is a greenhouse gas, the detection of methane concentrations is a global issue. Additionally, the presence of methane is indicative of potential valuable petroleum and natural gas deposits....
Effect of Partial Substitution of Ni by Cu in LaNiO3 Perovskite Catalyst for Dry Methane Reforming（图）
dry reforming of methane perovskite lanthanun nickel sol-gel method
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2013/10/7
A series of ternary perovskite type oxides LaNi1-xCuxO3 (x = 0.2, 0.4, 0.6, 0.8, and 1.0) were synthesized via the sol-gel method in propionic acid. Partial substitution of Ni by Cu showed higher acti...
Non-methane Hydrocarbons and Their Ozone Formation Potentials in Foshan, China
Non-methane hydrocarbons Vehicular emission Solvent evaporation Ozone formation potential Foshan
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2016/3/25
Concentrations of non-methane hydrocarbons (NMHCs) were measured to investigate their temporal variations and
major sources, and to explore the ozone formation potentials (OFP) of each NMHCs for the ...