fixation of atmospheric nitrogen ernst
fixation of atmospheric nitrogen ernst
... plants of a capacity of 20,000 tons of nitro-
gen per year, 15 cyanamide plants of a capacity of 66,000
tons of nitrogen and one direct synthetic ammonia plant of
a capacity of 7,000 tons of nitrogen ... manufacturing cost,
$90 per ton of concentrated acid exclusive of capital
Industrial Chemical Monographs
Fixation of
ATMOSPHERIC NITROGEN
14.
FIXATION...
Experimental study of relative permittivity of atmospheric ice
... facility of Narvik University College to study the transient response
of dielectric constant of ice at different operating atmospheric conditions. Analysis showed that
depending on the atmospheric ... coming out of the nozzle. In this case study
of rime ice generation was increased linearly with the spraying of water content. Thickness of the ice
averaged from 5 values was...
MEASUREMENT OF ATMOSPHERIC DEPOSITION UNDER FOREST CANOPIES: SOME RECOMMENDATIONS FOR EQUIPMENT AND SAMPLING DESIGN docx
... within 20% of the mean. Examination
of the evolution of the variation coefficient (instead of the mean) with increasing
numbers of collectors has also been used to determine the number of collectors
required.Duijsings ... several combinations of different numbers
ofcollectors.Fromthis setofdata, for each season, a regressionofthe standarderror
in percent of the mean against the...
INFLUENCE OF NITROGEN, ACETATE AND PROPIONATE ON HYDROGEN PRODUCTION FROM PINEAPPLE WASTE EXTRACT BY Rhodospirillum rubrum
... production at low level of nitrogen
(3mM of total nitrogen) was higher than at high level of nitrogen (11 mM of total
nitrogen) . Control (no N added) had a lower number of cells than the production ...
Journal of Water and Environment Technology, Vol.3, No.1, 2005
- 106 -
Effect of nitrogen levels and initial propionate concentrations
Continuous illumination...
EFFECT OF CARBON TO NITROGEN RATIO ON THE COMPOSTING OF CASSAVA PULP WITH SWINE MANURE
... Journal of Water and Environment Technology, Vol.4, No.1, 2006
- 33 -
EFFECT OF CARBON TO NITROGEN RATIO
ON THE COMPOSTING OF CASSAVA PULP WITH
SWINE MANURE ... total nitrogen during composting of cassava pulp with swine manure.
Changes in total phosphorus and total potassium
The changes of total P and K followed a similar trend as total nitrogen ... the end of...
Evaluation of Loading Rate of Nitrogen from Rice-Paddies by Small Watershed Method
... applying
amounts of the chemical fertilizers of nitrogen to less than half of the previous usage
amounts, which was allowed to supply with organic fertilizers. Then, the amounts of
nitrogen applied ...
storm-runoff events. Concentrations of total nitrogen (TN) of irrigation, drainage and percolation
were 0.403, 1.39 and 1.11 mg l
-1
, respectively, on average for three y...
Present Status and Feature of Groundwater Contamination by Nitrate-nitrogen in Kumamoto City
... contamination in the groundwater of Kumamoto city was
investigated. Nitrate -nitrogen was detected in the range from 0.2 to 5.8 mg/l in the groundwater
of deep wells at 22 points out of total 30 sampling ... that this area has enough capability of NO
3
-N removal. In
addition, low-permeable property of muddy soil might contribute to prolongation of
retention time of groundwa...
Tài liệu Health Aspects of Air Pollution with Particulate Matter, Ozone and Nitrogen Dioxide doc
... effects of such particles have not been characterized systematically. Some
of these particles may consist of quartz, known as a very potent inducer of pulmonary fibrosis.
However, the potency of ... chemical
characteristics of emissions, their atmospheric transport and transformation, and thus complex
atmospheric chemistry. The working group felt that a detailed evaluation...
Tài liệu A COMPREHENSIVE SURVEY OF INTERNATIONAL SOYBEAN RESEARCH GENETICS, PHYSIOLOGY, AGRONOMY AND NITROGEN RELATIONSHIPS docx
... One of the most common limiting factors in plant
growth is the availability of nitrogen [3]. Although 4/5ths of earth’s atmosphere is comprised of
nitrogen, the ability to utilize atmospheric nitrogen ... one of the most productive of earth’s
ecospheres and is a hub for evolutionary and other adaptive activities.
1.1. Biological nitrogen fixation
Biological nitrogen...
Từ khóa:
- atmospheric nitrogen loading to lakes and rivers
- effects of low nitrogen phosphorus ratios in litter on phosphorus runoff
- 5 prediction of atmospheric optical transmission computer programs and databases
- 7 examples of atmospheric optical remote sensing
- gelatinization temperature and fixation of crumb structure
- passive sampling of atmospheric pah deposition