نتایج جستجو برای: operation
تعداد نتایج: 211711 فیلتر نتایج به سال:
in this paper, the notion of fuzzy semicompactness degrees isintroduced in $l$-fuzzy topological spaces by means of theimplication operation of $l$. characterizations of fuzzysemicompactness degrees in $l$-fuzzy topological spaces areobtained, and some properties of fuzzy semicompactness degrees areresearched.
fridges are used in various industries, and heat exchanger is one of the main components of these systems; therefore, efficiency analysis of these systems is very important. in many fridges, frost over the heat exchanger tubes or pipes affects the system operation and reduces heat transfer between the refrigerant and ambient, so defrosting systems are usually used to enhance heat transfer. desi...
the map and the model designed by a designer and presented to a manufacturer in the form of a map is the result of his knowledge and innovation. the manufacturer, in turn, uses his best effort to produce a part accordingly. however, because of production problems and raw material, producing a precise part is very difficult and costly. one of the most important problems in this regard is designi...
let $d_{n,m}=big[frac{2n+1-sqrt{17+8(m-n)}}{2}big]$ and $e_{n,m}$ be the graph obtained from a path $p_{d_{n,m}+1}=v_0v_1 cdots v_{d_{n,m}}$ by joining each vertex of $k_{n-d_{n,m}-1}$ to $v_{d_{n,m}}$ and $v_{d_{n,m}-1}$, and by joining $m-n+1-{n-d_{n,m}choose 2}$ vertices of $k_{n-d_{n,m}-1}$ to $v_{d_{n,m}-2}$. zhang, liu and zhou [on the maximal eccentric connectivity ind...
this paper presents a relatively new management model for the optimal design and operation of irrigation water pumping systems. the model makes use of the newly introduced particle swarm optimization algorithm. a two step optimization model is developed and solved with the particle swarm optimization method. the model first carries out an exhaustive enumeration search for all feasible sets of p...
in this paper, a new continuous ant colony optimization (caco) algorithm is proposed for optimal reservoir operation. the paper presents a new method of determining and setting a complete set of control parameters for any given problem, saving the user from a tedious trial and error based approach to determine them. the paper also proposes an elitist strategy for caco algorithm where best solut...
background nowadays, with the help of cosmetic surgery almost every woman and man can achieve a highly attractive appearance. the question is, why so many people do not take advantage of these opportunities? this pilot-study investigates individual attitudes of people towards aesthetic plastic surgery. methods a questionnaire was developed which combined self-developed items for a measurement o...
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