نتایج جستجو برای: design and construction
تعداد نتایج: 16962400 فیلتر نتایج به سال:
the wild pistachio (pistacia atlantica mutika) exists in 2.4 million hectares of iranian forest. in spite of high nutritional and medical value of this fruit, its use and processing are still performed manually. the objectives of this research are to design, to construct and to evaluate the performance of a pistachio hulling machine. the pistachio of kerman province was chosen as the case of st...
this paper presents design and construction of an automatic moldboard profilograph by substituting an optical sensor and a control system together with its evaluation. the modified profilograph is an electro mechanical apparatus in which a micro switch and a dc motor was replaced with an optical sensor and a control system for revolution of a dc motor. thereby, the considered surface is measure...
soil compaction is an important aspect of agriculture and different methods are available to measure this parameter. one method is called the cone index; measuring the force required per unit area for penetration of a standard steel cone into the ground. cone penetrometers are used for cone index measurement. in this study, a tractor mounted, hydraulically-operated penetrometer was designed, bu...
seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...
the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...
the poor orientation of the restaurants toward the information technology has yet many unsolved issues in regards to the customers. one of these problems which lead the appeal list of later, and have a negative impact on the prestige of the restaurant is the case when the later does not respond on time to the customers’ needs, and which causes their dissatisfaction. this issue is really sensiti...
Specware is a tool that supports the modular construction of formal speciications and the stepwise and componentwise reenement of such speciications into executable code. Specware may be viewed as a visual interface to an abstract data type providing a suite of composition and transformation operators for building speciications, reenements, code modules, etc. This view has been realized in the ...
2 Automata over forests 4 2.1 Forest automata . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Bottom-up deterministic forest automata . . . . . . . . . . 5 2.3 Minimization of BUDFA . . . . . . . . . . . . . . . . . . . 8 2.4 BUNFA and determinization . . . . . . . . . . . . . . . . . 14 2.5 Computing the syntactic forest algebra of a language . . . 16 2.6 Logical characterization . . . ....
in this thesis, a better reaction conditions for the synthesis of spirobarbiturates catalyzed by task-specific ionic liquid (2-hydroxy-n-(2-hydroxyethyl)-n,n-dimethylethanaminium formate), calcium hypochlorite ca(ocl)2 or n-bromosuccinimide (nbs) in the presence of water at room temperature by ultrasonic technique is provided. the design and synthesis of spirocycles is a challenging task becaus...
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