搜索结果: 1-15 共查到“理学 ammonia”相关记录53条 . 查询时间(0.244 秒)
Ammonia Emissions Unlikely To Be Causing Extreme China Haze（图）
Ammonia Emissions Unlikely China Haze
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2017/10/25
As China struggles to find ways to remedy the noxious haze that lingers over Beijing and other cities in the winter, researchers from Georgia Institute of Technology have cast serious doubt on one pro...
A sportomics strategy to analyze the ability of arginine to modulate both ammonia and lymphocyte levels in blood after high-intensity exercise
White blood cells Granulocyte Amino acids
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2015/7/23
Exercise is an excellent tool to study the interactions between metabolic stress and the immune
system. Specifically, high-intensity exercises both produce transient hyperammonemia and influence the ...
An evaluation of ambient ammonia concentrations over southern Ontario simulated with different dry deposition schemes within STILT-Chem v0.8
ambient ammonia concentrations southern Ontario
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2014/12/18
A bidirectional air–surface exchange scheme for
atmospheric ammonia was incorporated into the Stochastic Time-Inverted Lagrangian Transport air quality model
(STILT-Chem v0.8). STILT-Chem v0.8 was t...
Modeling atmospheric ammonia and ammonium using a stochastic Lagrangian air quality model (STILT-Chem v0.7)
Modeling atmospheric ammonia ammonium stochastic Lagrangian air quality model
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2014/12/16
A new chemistry module that simulates atmospheric ammonia (NH3) and ammonium (NH+4) was incorporated into a backward-in-time stochastic Lagrangian air quality model (STILT-Chem) that was originally de...
Effects of Dietary Supplementation with Hainanmycin on Protein Degradation and Populations of Ammonia-producing Bacteria In vitro
Ammonia-producing Bacteria Fermentation Hainanmycin Protein Degradation
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2016/5/11
An in vitro fermentation was conducted to determine the effects of hainanmycin on protein degradation and populations of ammonia-producing bacteria. The substrates (DM basis) for in vitro fermentation...
Experimental model of ammonia elimination by ozone in the air
stable atmosphere air purifi cation technology animal stables air purifi cation by ozone
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2014/2/24
Experimental device was created to model stable atmosphere. h e device consists of the glass vessel fi lled with air. Volume of the vessel is 30 litres. h e ammonia concentration is similar to s...
The RMS Survey: Ammonia and water maser analysis of massive star forming regions
Stars: formation – Stars: early-type – ISM: molecules – ISM: radio lines
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2011/10/12
The Red MSX Source (RMS) survey has identified a sample of ~1200 massive young stellar objects (MYSOs), compact and ultra compact HII regions from a sample of ~2000 MSX and 2MASS colour selected sourc...
Re-evaluation of Dietary Methionine Requirement by Plasma Methionine and Ammonia Concentrations in Surgically Modified Rainbow Trout, Oncorhynchus mykiss
Methionine Rainbow trout Requirement Intubation Plasma Ammonia
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2016/5/6
This study was designed to re-evaluate the dietary methionine requirement by means of the plasma methionine and ammonia concentrations in surgically modified rainbow trout, Oncorhynchus mykiss. A tota...
Crenarchaeol tracks winter blooms of ammonia-oxidizing Thaumarchaeota in the coastal North Sea
ammonia-oxidizing Crenarchaeol tracks winter
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2014/4/4
We followed the abundance and distribution of ammonia-oxidizing Archaea (AOA) in the North Sea from
April 2003 to February 2005 and from October 2007 to March 2008 by quantification of archaeal genes...
The influence of gas-particle partitioning and surface-atmosphere exchange on ammonia during BAQS-Met
gas-particle partitioning surface-atmosphere exchange ammonia during BAQS-Met
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2011/1/19
The Border Air Quality and Meteorology study (BAQS-Met) was an intensive field campaign conducted in Southwestern Ontario during the summer of 2007. The focus of BAQS-Met was determining the causes of...
Review and parameterisation of bi-directional ammonia exchange between vegetation and the atmosphere
bi-directional ammonia exchange vegetation the atmosphere
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2010/11/29
Current deposition schemes used in atmospheric chemical transport models do not generally account for bi-directional exchange of ammonia (NH3). Bi-directional exchange schemes, which have so far been ...
Kinematics of the Ammonia Disk around the Protostar NGC 1333 IRAS 4A2
Galaxy Astrophysics (astro-ph.GA)
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2010/12/28
The NGC 1333 IRAS 4A protobinary was observed in the ammonia (2, 2) and (3, 3) lines with an angular resolution of 0.3 arcsec. The ammonia emission source of IRAS 4A2 is elongated in the direction per...
Occurrence of gas phase ammonia in the area of Beijing (China)
gas phase ammonia the area of Beijing (China)
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2010/10/11
The atmospheric concentrations of gaseous ammonia have been measured during two field campaigns in the winter and in the summer of 2007 at Beijing (China). These measurements were carried out by means...
Long term measurements of sulfur dioxide, nitrogen dioxide, ammonia, nitric acid and ozone in Africa using passive samplers
sulfur dioxide nitrogen dioxide ammonia nitric acid ozone Africa passive samplers
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2010/8/16
In this paper we present the long term monitoring of ambient gaseous concentrations within the framework of the IDAF (IGAC-DEBITS-AFRICA) program. This study proposes for the first time an analysis of...
Oxygen isotopic exchange and fractionation during bacterial ammonia oxidation
fractionation during bacterial ammonia oxidation Oxygen isotopic
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2014/4/16
We examined the oxygen isotopic systematics for ammonia oxidation, the first step in the regeneration of
nitrate from ammonium. In particular, oxygen isotopic fractionation and exchange with water we...