نتایج جستجو برای: process engineering

تعداد نتایج: 1518909  

Journal: :international journal of environmental research 2011
a. ataei k.s. lee j.j. lim m.j. kim h.b. liu

in this paper, we introduce environmental systems engineering (ese) and describe some of its applications combined with process systems engineering (pse) to problems related to environmental systems. these systems—the water cycle and ecosystem cycles—are complex and highly dynamic, with an uncertainty level comparable to that of chemical systems. to illustrate the challenges of applying pse to...

Journal: :journal of oil, gas and petrochemical technology 2014
hamid reza godini stanislav jaso son xuan nghiem oliver görke steffen stünkel

for more than three decades, oxidative coupling of methane (ocm) process has been comprehensively investigated as an attractive alternative for the commercially available ethylene production technologies such as ethane and naphtha cracking. developing a suitable catalyst and proper reactor feeding policy, reviewing and deploying the efficient methods in the separation and purification of the un...

Mehdy Morady Gohareh, Saeid Azad

System engineering is one of the most powerful tools for comprehensive project management and control. This tool emphasized the life cycle of the projects, manages every single activity and helps manage the main elements of the project through a set of management and engineering processes. The goal of the current study is to use a system engineering approach in design phase in order or to meet ...

Journal: :Chemical engineering 1967

Journal: :Journal of Chemical Education 1956

Journal: :international journal of pediatrics 0
n mahdavi shahri professor, histology and cytology, department of biology, faculty of science, stem cell biotechnology research group, institute of biotechnology, ferdowsi university of mashhad, mashhad, iran. m moghaddammatin associate professor, molecular biology, department of biology, faculty of science, cell and molecular biotechnology research group, institute of biotechnology, ferdowsi university of mashhad, mashhad,iran. m fereidoni associate professor, physiology, department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran. m behnamrassouli professor, physiology, department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran. a moghimi professor, physiology, department of biology, faculty of science, ferdowsi university of mashhad, mashhad, iran. ar bahrami professor, molecular biology, department of biology, faculty of science, cell and molecular biotechnology research group, institute of biotechnology, ferdowsi university of mashhad, mashhad, iran.

tissue engineering is based on three main factors including scaffolds, cells and growth factors. natural scaffolds derived from decellularized tissues and organs have been successfully used in tissue engineering. decellularization studies have shown that natural scaffolds which maintaine their main structure and properties could be a suitable tool for studying cellular behaviors and preparation...

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