نتایج جستجو برای: epsilon constraint method
تعداد نتایج: 1698990 فیلتر نتایج به سال:
We present extensive molecular dynamics simulation results for the structure and the static and dynamical responses of a droplet of 1000 soft spheres carrying extended dipoles and confined to spherical cavities of radii R=2.5, 3, and 4 nm embedded in a dielectric continuum of permittivity epsilon(')>or=1. The polarization of the external medium by the charge distribution inside the cavity is ac...
Abstract Using hubs in distribution networks is an efficient approach. In this paper, a model for the location-allocation problem designed within framework of queuing network which services have several levels, and customers must go through these levels to complete service. The purpose locate appropriate number facilities among potential locations allocate customers. presented as multi-objectiv...
The emergence of the circular economy concept has pushed industry owners towards green supply chain and waste reduction. closed-loop originates from its purpose is to increase efficiency profitability by reducing energy consumption. Hence, in this research, an integrated bi-objective mixed-integer linear programming model developed with aim optimizing both operational strategic decisions a netw...
Protein kinase C (PKC) plays a prominent role in immune signaling, and the paradigms for isoform selective signaling are beginning to be elucidated. Real-time microscopy was combined with molecular and biochemical approaches to demonstrate a role for PKC- epsilon in Fc gamma receptor (Fc gammaR)-dependent phagocytosis. RAW 264.7 macrophages were transfected with GFP-conjugated PKC isoforms, and...
in this research a molecular method based on polymerase chain reaction for typing of clostridium perfringens was developed and toxin genotypes of 64 isolates from sheep and goats in iran were determined. the pcr assays were developed for detection of alpha (cpa), beta (cpb) and epsilon (etx) toxin genes, allowing classification of the isolates into genotypes a b, c and d. the field isolates ...
nowadays urban sanitary landfill compatible with environmental principles and in line with sustainable development is a necessity. in this paper for the purpose of determining appropriate sanitary landfill sites in kohgilooye & boyerahmad province, , many data layers were used including: slope, land cover, distance to main roads, distance to cities & villages, geology, surface water network, di...
A new method is described for continuously measuring cell turgor pressure (P), hydraulic conductivity (L(p)), and volumetric elastic modulus (epsilon) in higher plant cells, using a pressure probe. This technique permits volume changes, DeltaV, and turgor pressure changes, DeltaP, to be determined with an accuracy of 10(-5) to 10(-6) mul and 3 to 5.10(-2) bar, respectively.The main principle of...
Abstract We propose a robust fuzzy design model for sustainable closed-loop supply chain network. The is based on risk dynamic regulation mechanism. In this way, we can solve the problem of sudden disruptions and uncertain demand in Chinese herbal medicines. also develop hybrid algorithm solution to resilient specific steps are as follows: (1) mechanism created with strong resistance by conside...
BACKGROUND Variants of the apolipoprotein E allele appear to account for most cases of late-onset Alzheimer's disease, and persons with two copies of the epsilon 4 allele appear to have an especially high risk of dementia. Positron-emission tomography (PET) has identified specific regions of the brain in which the rate of glucose metabolism declines progressively in patients with probable Alzhe...
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