نتایج جستجو برای: yield production function

تعداد نتایج: 1911023  

2009
Anastasia BOLSHAKOVA

Precise measurements of hadron production on nuclear targets are vital for the design of a future neutrino factory and important for the tuning of hadron generators such as Geant4. The hadron yield must be known as a function of the energy and the production angle of the secondary particles. We report on HARP-CDP measurements of double-differential inclusive cross-sections of pion, proton and d...

Journal: :پژوهش های علوم دامی ایران 0

in the research the genetic investigation productive and reproductive traits and changes trend the traits in years, seasons and different lactation periods and genetic evaluation cows and bulls of 785 records for milk and 665 records for fat yield and reproductive information during years 1998 to 2003 of 207 dairy cows ghezlagh farm aboureyhan campus (university of tehran) studied. the least sq...

2009
Alessandro De Falco R Shahoyan P Sonderegger

NA60 measured dimuon production in p-A and In-In collisions at the CERN SPS. This paper presents a high statistics measurement of φ meson production in In-In collisions at 158 AGeV. Both the transverse momentum, rapidity, decay angular distributions and the absolute yield were measured as a function of centrality. The results are compared to previous measurements in order to shed light on the l...

E. Zare M.J. Bahrani S. A. Kazemeini S. Sarikhani Khorrami

Adoption of conservative agriculture at farm level is associated with reducing the production costs and leads to crop yield stability. The aim of this study was to prioritize experimental treatments based on different criteria by applying "technique for order preference by similarity to ideal solution" (TOPSIS).A filed experiment was carried out at Zarghan research station, Fars province, Iran,...

Journal: :journal of agricultural science and technology 2010
m. mazaheri asadi m. nikkhah

a solid state fermentation method was developed for the production of citric acid from date pulp (obtained of date syrup production from the process) by aspergillus niger ptcc 5010. poor yield was obtained when potassium ferrocyanide treated date pulp were used as substrate, but methanol at a 3-4% concentration markedly increased the forma-tion of citric acid from the waste. the optimum range o...

Wheat is the main focus of the economy of Kurdistan province in which the annual fluctuation of wheat yield is 4/11 times as affected by the climatic elements of the site. This study investigated the role of agro-climatic variables and indices on rainfed wheat yield in Kurdistan province. The data of planting area, amount of production, damages and yield of wheat of 31-year in 10 regions of Kur...

Journal: :Asian Journal of Agricultural Extension, Economics and Sociology 2023

This study investigated wheat crop area, production, and yield in Uttar Pradesh. Wheat data from 1990-91 to 2019-20 were obtained. Compound growth rate trend analysis show that area has reduced due shift of rabi crops. The Pradesh's per-hectare boosted production 2019-20. methods calculated indicate use semi log function Johansen cointegration results, which reveal number irrigations affects pr...

Journal: :اقتصاد و توسعه کشاورزی 0
محمدرضا پاکروان امید گیلانپور شیرین ظریف

liberalization of energy price increases costs of agricultural inputs and costs of agricultural production. all these changes may affect the overall competitiveness of domestic products with similar foreign products. as a result of that, total cost of agricultural products are increased and profitability are decreased. in this paper, energy consumption for producing corn were calculated using c...

M.K.I. Khan, M.M. Momin, R. Khandaker

The study was conducted to estimate the genetic and phenotypic correlations among body measurements, body weight, kidding interval, kidding rate and milk yield in the different breeds of goat. Data was collected on 95 goats of three breeds (Jamunapari, Black Bengal and their crosses (Jamunapari×Black Bengal) through direct observation. The average body weight of Jamunapari goat was 34.75 ± 3.33...

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