Results 111 to 120 of about 3,450,809 (399)
Biogas from manure – a new technology to close the nutrient and energy circuit on-farm [PDF]
, 2005 The Biodynamic Research Institute in Järna developed a two-phase on-farm biogas plant. The plant digests manure of dairy cattle and organic residues originating from the farm and the surrounding food processing units containing 17.7-19.6 % total solids ...
Evers, L. +5 more
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Nitrogen balance of a boreal Scots pine forest
, 2013 The productivity of boreal forests is considered to be limited by low nitrogen (N) availability. Increased atmospheric N deposition has altered the functioning and N cycling of these N-sensitive ecosystems by increasing the availability of reactive ...
J. Korhonen +9 more
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.Additive manufacturing of magnesium alloys by laser is difficult because the melting point of the oxide layer is much higher than the evaporation temperature of the metal underneath. Making the oxide layer thinner can solve this problem. Alloying magnesium with strontium makes the oxide layer thinner, especially at 0.5 wt%.
Elmar Jonas Breitbach +8 more
wiley +1 more source
Assessing eco-environmental performance of agricultural production in OECD countries: combination of soil surface, soil system and farm gate methods of nutrient auditing [PDF]
Nitrogen balance is increasingly used as an indicator of the environmental performance of agricultural sector in national, international, and global contexts.
Mohammad Alauddin, Viet-Ngu Hoang
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Animal Production: Indonesian Journal of Animal Production, 2001 Cassava waste and soybean cake waste are by - product from home industry that have been used as animal feed. It contain high crude fibber, there fore it must be processed or added with another nutrients before feeding to animal to get a good ...
Budi Haryanto, Nur Hidayat, M Bata
doaj
The Journal of Poultry Science, 2003 A study was carried out to investigate nitrogen metabolism in response to cecal ligation and colostomy in chickens. We used colostomized plus ceca-ligated chickens fed a low protein diet or a low protein diet supplemented with urea.
Jang-Ho Son, Yutaka Karasawa
doaj +1 more source
Advanced Engineering Materials, EarlyView.This perspective article explores an innovative powder metallurgical approach to producing high‐nitrogen steels by utilizing a mixture of stainless steel and Si3N4. This mixture undergoes hot isostatic pressing followed by direct quenching. The article also examines adapting this method to laser powder bed fusion (PBF‐LB/M) to overcome nitrogen ...
Louis Becker +5 more
wiley +1 more source
The Effect of King Grass Silage on the Nitrogen Balance and Hematological Profile of Ettawa Grade Male Goat [PDF]
, 2012 The aims of this research was to study the nutritional value of ensiled King Grass (Pennisetum purpuphoides) to be applied for goat. Twelve Ettawa grade male (PE), + 10 months old, and with average body weight of 19.45 + 3.03 kg were used to determine ...
S., Sunarso
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Nitrogen Cycling in Indonesian Agriculture Around 1968 to 2008 and Its Environmental Impacts [PDF]
, 2018 The objectives of this study were to examine the efficiency of nitrogen and its lost to the environment, to estimate its environmental impacts and their mitigation measures.
BANTACUT, T. (Tajuddin)
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Advanced Engineering Materials, EarlyView.This study explores the energy conversion in powder bed fusion of polymers using laser beam for polyamide 12 and polypropylene powders. It combines material and process data, using dimensionless parameters and numerical models, to enable the prediction of suitable printing parameters.
Christian Schlör +9 more
wiley +1 more source