نتایج جستجو برای: production optimization

تعداد نتایج: 904507  

With an increase in the global pollution, there is requirement for an alternative to the fossil fuels. Non-edible vegetable oils are highly promising for producing liquid fuels like diesel. Jatropha is a potential feedstock for biodiesel, currently utilized in India and many parts of the world. The optimization of reaction conditions such as temperature, time, catalyst and molar ratio for biodi...

Journal: Pollution 2020

With an increase in the global pollution, there is requirement for an alternative to the fossil fuels. Non-edible vegetable oils are highly promising for producing liquid fuels like diesel. Jatropha is a potential feedstock for biodiesel, currently utilized in India and many parts of the world. The optimization of reaction conditions such as temperature, time, catalyst and molar ratio for biodi...

Journal: :applied food biotechnology 0
tahereh ghashghaei department of microbiology, faculty of biological science, alzahra university, vanak, tehran, iran. mohammad reza soudi department of microbiology, faculty of biological science, alzahra university, vanak, tehran, iran. saman hoseinkhani department of biochemistry, faculty of biological science, tarbiat modares university, tehran, iran.

low grade grape juice concentrate was used as carbon source for xanthan production. significant factors affecting xanthan concentration, productivity and viscosity were investigated using plackett-burman design. based on the obtained results, carbon and nitrogen concentrations, inoculum size and agitation rate, were assumed as significant factors. broth culture viscosity and xanthan concentrati...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1386

چکیده ندارد.

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
liu pingle wang lianjie luo he’an

the bubble effectiveness in liquid phase cylohexane non-catalytic oxidation process is discussed in this paper. then the bubble effectiveness and a new proposed kinetic model are used in the mathematical model of the industrial reactor for the cyclohexane non-catalytic oxidation process. furthermore, simulation and optimization based on this reactor model are carried out. the results of simulat...

2011
Fredrik Öberg

Aquaporins are water facilitating proteins embedded in the cellular membranes. Such channels have been identified in almost every living organism – including humans. They are vital molecules and their malfunction can lead to several severe disorders. An increased understanding of their structure, function and regulation is of utmost importance for developing current and future drugs. The first ...

2009
Guillermo Jimenez de la Cruz José Antonio Ruz Hernández Evgen Shelomov Ruben Salazar-Mendoza

This paper proposes an optimization strategy which is based on neural networks and genetic algorithms to calculate the optimal values of gas injection rate and oil rate for oil production system. Two cases are analyzed: a) A single well production system and b) A production system composed by two gaslifted wells. For both cases an objective function is maximized to reduce production cost. The p...

2014
Y. P. Wang Z. M. Shi

Enterprises to achieve global optimization and better diversification and personalized product production scheduling, from the unity of the tasks and resources manufacturing, based on the perspective of global optimization in production scheduling method. With global production scheduling of matching and process model resources as the foundation for the realization of enterprise process product...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1388

the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...

2009
Tadayoshi Shioyama Hiroshi Kise

This paper surveys recent works on queuing approaches to a number of optimization problems in production systems, especially modem jobbing production systems (or multi-item small lot production systems) represented by flexible manufacturing systems (FMS). This paper outlines optimization problems concerning with such aspects of the system design and control as workioading, job selection, produc...

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