نتایج جستجو برای: 312 the total energy consumption
تعداد نتایج: 16248822 فیلتر نتایج به سال:
energy consumption in the residential sector is a complex socio-technical problem that can be explained using acombination of physical, demographic and behavioural characteristics of a house and its occupants. in this paper, byusing the energy consumption data for the residential sector of shiraz in iran, the effect of built area (ba) andoccupant number (occ) on annual energy consumption (ec) w...
the rice conversion process is an agricultural transformative industry that consumes a great deal of fossil fuel and electricity. in this study, the effect of different factors on energy consumption, energy consumption index and whitening index were investigated. the experimental design was a split plot design with four whitening periods (15, 30, 45, 60s) (main plot), three rice varieties (khaz...
Today, energy is known as one of the main factors for the formation and development of industrial societies And the availability of countries to various energy sources represents their potential for political and economic progress. Therefore, the main objective of this study was to investigate the effect of technology factors on the intensity of energy in 29 provinces of Iran (except for Alborz...
the aim of the present study was to determine the in?uence of presence or absence of corpus luteum (cl) on hormonal and metabolites composition of follicular ?uid (ff) harvested from different sized follicles and its relationship with blood serum concentrations in sanjabi ewes. ovaries and blood samples were collected from 60 clinically healthy adult ewes (sanjabi breed) 1–3 years of age in dio...
Courtyard geometry plays an important role in the amount of received solar radiation, also heating and cooling energy consumption of buildings. Considering this geometry for finding its proper proportion and orientation is significant to increase indoor thermal comfort, and as a result reduce the amount of energy consumption. This paper mainly focuses on a dormitory courtyard in Yazd and invest...
in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...
Effective parameters that can effect on the performance of the separation system consist of operating pressure, operating temperature, reflux ratio, and kind of produce desirable products and different sequences of splits. As take a separation system with optimal performance is dependent on optimization of above mentioned effective parameters. In generally, there are two criteria (as object fun...
The exterior envelope of buildings play a significant role on the amount of energy consumption in office buildings that are located in warm climates. The present study focuses on the reduction of energy consumption by integrating daylight and artificial lights, and by changing the characteristics of exterior envelope of buildings including window coverage and dimension of buildings. Moreover, t...
The original aim of the present study was to deal with two problems that had emerged from a study on hierarchies of ATP-consuming processes in cells [Buttgereit and Brand (1995) Biochem. J. 312, 163-167]. Firstly, we wanted to find out whether the results of that study had been influenced by the method used for the determination of process activity and, secondly, we wondered whether and to what...
This paper presents a bi-objective MIP model for the flexible flow shop scheduling problem (FFSP) in which the total weighted tardiness and the energy consumption are minimized simultaneously. In addition to considering unrelated machines at each stage, the set-up times are supposed to be sequence- and machine-dependent, and it is assumed that jobs have different release tim...
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