نتایج جستجو برای: Performance Parameter
تعداد نتایج: 1235477 فیلتر نتایج به سال:
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
this paper proposes a new method of gain scheduling control design for a nonlinear system which is described as linear parameter varying form. a performance measure based on linear matrix inequality is introduced. to consider stability and performance measures in design process, the h∞ loop-shaping method is used to design the local controllers, which can be described as state feedback observer...
This work is devoted to the formulation and derivation of the α−κ−μ/gamma distribution which corresponds to a physical fading model. The proposed distribution is composite and is constituted by the α−κ−μ non-linear generalized multipath model and the gamma shadowing model. It also constitute the basis for deriving the α−κ−μ Extreme/gamma model which accounts for non-linear severe multipath and ...
a study was conducted to compare the growth performance as well as blood and carcass variables of two broiler strains reared in a conventional broiler house and a modified greenhouse equipped with cooling pads and tunnel ventilation system. eight hundred day-old chickens of two commercial strains (ross 308 and lohmann) were selected and placed in 8 floor pens (4 pens of 50 broilers for each ...
the aim of this study was to recognize the effects of dietary hempseed (hs) and hempseed oil (ho) on performance, egg quality and blood parameters of laying hens. a total of 320 hy-line 55-weeks laying hens were randomly allotted to eight dietary treatments with five replicates (8 birds each). the experimental treatments were offered as a completely randomized design as follow: control group (n...
for considering and evaluating the economic impacts of sugar beet research on the shift of sugar supply, we need to estimate the parameter of supply shift. having developed an appropriate methodology and using the results of breeding research collected from the main stations of sugar beet research acrossiranfor the period of 1982-2003, the supply shift parameter for sugar was estimated. this p...
Many novel spatio-temporal applications deal with moving objects. In such environments, a database typically maintains the initial position and the moving function for each object. Instead of updating the database whenever an object position changes (which is not manageable), updates are issued whenever a function parameter (velocity, direction, etc.) changes. For simplicity, we assume that obj...
Masking is a popular countermeasure against side channel attacks. Many practical works use Boolean masking because of its simplicity, ease of implementation and comparably low performance overhead. Some recent works have explored masking schemes with higher algebraic complexity and have shown that they provide more security than Boolean masking at the cost of higher overheads. In particular, ma...
in this study, the performance of an irreversible regenerative brayton cycle is sought through power maximizations using finite-time thermodynamic concept in finite-size components. optimizations are performed using a genetic algorithm. in order to take into account the finite-time and finite-size concepts in the current problem, a dimensionless mass-flow rate parameter is used to deploy time v...
this experiment was conducted to study the effects of two kinds of sodium and calcium bentonite (nab and cab) on performance, blood biochemical parameters, carcass characteristics and tibia ash of broiler chickens. two hundred and sixty day old broilers of male ross 308 strain were allocated to 5 treatments with four replicatates and 13 broilers in each. the experiment was carried out in a comp...
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