搜索结果: 1-15 共查到“nitrous oxide”相关记录41条 . 查询时间(0.078 秒)
Nitrous oxide emission from riparian buffers in agricultural landscapes of Indiana
Nitrous oxide riparian agriculture denitrification
2015/1/16
Riparian buffers have well documented capacity to remove nitrate (NO3-) from runoff and subsurface flow paths, but information on field-scale N2O emission from these buffers is lacking. This study mon...
No laughing matter: Nitrous oxide rose at end of last ice age
No laughing matter Nitrous oxide end of last ice age
2014/12/30
CORVALLIS, Ore. – Nitrous oxide (N2O) is an important greenhouse gas that doesn’t receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose s...
Denitrification alternates between a source and sink of nitrous oxide in the hypolimnion of a thermally stratified reservoir
Denitrification alternates sink of nitrous oxide
2014/4/2
Nitrogen loading from developed watersheds to aquatic ecosystems can stimulate microbial denitrification, a
process that reduces nitrate (NO{
3
) to dinitrogen (N2) or nitrous oxide (N2O), the latt...
Rice University laser scientists create portable sensor for nitrous oxide, methane（图）
laser sensor
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.
Maternal Expectations and Experiences of Labor Analgesia With Nitrous Oxide
Labor Pain Entonox Pregnancy
2015/9/28
Background: Although there are various methods for painless delivery such as using entonox gas, most of the people are unfamiliar or concerned about it yet.
Biofiltration of Nitrous Oxide Using Cow-Manure Based Compost as Medium Filter
Biofilter Compost Cow-Manure Nitrous Oxide Removal Efficiency
2013/3/11
Nitrous oxide (N2O) gas is a fourth contributor in the greenhouse effect after CO2, CH4, and water vapor. Although its concentration is relatively low, but very difficult to be decomposed in the atmos...
Methane and Nitrous Oxide Emissions from Livestock Agriculture in 16 Local Administrative Districts of Korea
Greenhouse Gas Methane Nitrous Oxide Carbon Dioxide Equivalent Emission Climate Change
2016/5/11
This study was conducted to evaluate methane (CH4) and nitrous oxide (N2O) emissions from livestock agriculture in 16 local administrative districts of Korea from 1990 to 2030. National Inventory Repo...
Microbial dinitrogen and nitrous oxide production in a small eutrophic reservoir: An in situ approach to quantifying hypolimnetic process rates
Microbial dinitrogen and nitrous oxide production a small eutrophic reservoir An in situ approach to quantifying hypolimnetic process rates
2014/4/8
Nitrogen (N) dynamics within the hypolimnion of a thermally stratified reservoir were examined to test an in situ approach to measuring dinitrogen (N2) and nitrous oxide (N2O) production rates wherein...
Nitrous Oxide Decomposition over Alkali-Promoted Magnesium Cobaltite Catalysts（图）
nitrous oxide cobalt oxide magnesium cobaltite spinel alkali promotion
2013/10/15
The direct decomposition of N2O was investigated over a series of magnesium cobaltite catalysts, MgxCo1-xCo2O4 (0.0 ≤ x ≤ 1.0), which were prepared by the thermal decomposition of stoichiometric amoun...
UV absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) between 210 and 350 K and the atmospheric implications
UV absorption nitrous oxide (N2O) carbon tetrachloride (CCl4) the atmospheric implications
2010/8/16
Absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) are reported at five atomic UV lines (184.95, 202.548, 206.200, 213.857, and 228.8 nm) at temperatures in the range 210...
Control of nitrous oxide emission from Chironomus plumosus larvae by nitrate and temperature
nitrate temperature nitrous oxide emission
2014/4/16
Aquatic invertebrates that ingest large numbers of bacteria produce substantial amounts of the greenhouse gas
N2O because of incomplete denitrification in their anoxic gut. We investigated the influe...
Methane and nitrous oxide emissions in The Netherlands: ambient measurements support the national inventories
Methane and nitrous oxide emissions Netherlands national inventories
2009/12/31
We present net emission estimates of CH4 and N2O of The Netherlands based on measurements conducted during the period of May 2006 to April 2009 at station Lutjewad, The Netherlands (6°21' E, 53°24' ...
Equatorial transport as diagnosed from nitrous oxide variability
Equatorial transport nitrous oxide variability
2009/11/19
The mechanisms of transport on annual, semi-annual and quasi-biennial time scales in the equatorial (10° S–10° N) stratosphere are investigated using the nitrous oxide (N2O) measurements of the space-...
Nitrous oxide production in boreal soils with variable organic matter content at low temperature – snow manipulation experiment
Nitrous oxide production boreal soils organic matter content low temperature
2010/1/21
Agricultural soils are the most important sources for the greenhouse gas nitrous oxide (N2O), which is produced and emitted from soils also at low temperatures. The processes behind emissions at low t...
NITROUS OXIDE FLUXES FROM A CLAYPAN SOIL OVERLYING NITRATE-ENRICHED GLACIAL DRIFT
nitrous oxide glacial-drift aquifer claypan soil
2009/10/19
The closed chamber method was used to assess nitrous oxide (N2O) fluxes from corn (Zea mays, L.) fields during the 1995 growing season. The study area was characterized by a claypan soil overlying a n...