نتایج جستجو برای: required energy

تعداد نتایج: 1129830  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2012
Michael A Hadders Monica Agromayor Takayuki Obita Olga Perisic Anna Caballe Magdalena Kloc Meindert H Lamers Roger L Williams Juan Martin-Serrano

The endosomal sorting complexes required for transport (ESCRT) proteins have a critical function in abscission, the final separation of the daughter cells during cytokinesis. Here, we describe the structure and function of a previously uncharacterized ESCRT-III interacting protein, MIT-domain containing protein 1 (MITD1). Crystal structures of MITD1 reveal a dimer, with a microtubule-interactin...

Journal: :اقتصاد و توسعه کشاورزی 0
رمضانی امیری رمضانی امیری زیبایی زیبایی

abstract intensive and inefficient use of energy leads to degradation of natural resources and environmental problems. this study evaluated the relationship between the energy of consumed inputs and yield of tomato, cucumber and melon using the cobb–douglas production function. the data were collected from 90 farmers in firoozabad using a questionnaire. the farmers were chosen by simple random ...

Mohammad Esmail Khorasani Ferdavani Mohammad Javad Shiekhdavoodi Seyyed Majid Sajjadiyeh Zahra Noorghadami,

Objective: Drying is one of the most important post-harvesting processes in agriculture. Drying method and also drying time have an important effect on the amount of energy required. In this study analysis of energy consumption for drying corn in dryer reservoir with flow of warm air and the effect of the temperature and height of product layer on the amount of energy consumption per unit mass ...

This paper presents a lifetime efficiency index model and a developed crow search algorithm (DCSA) in order to achieve optimal maintenance for the power transformer. Not doing maintenance on the power transformer, resulting in instability of the transmission system and not to supply consistently electric energy in the load points. In other words, deterioration of the transmission system effects...

2003
Paul Bishop Dan Penny Miriam Stark Marian Scott

Paul Bishop,1 Dan Penny,2, Miriam Stark,3 and Marian Scott4 1Department of Geography and Topographic Science, University of Glasgow, Glasgow G12 8QQ, United Kingdom 2School of Geography and Environmental Science, Monash University, Melbourne VIC 3008, Australia 3Department of Anthropology, 2424 Maile Way, Saunders 346, University of Hawaii, Honolulu, Hawaii 96822 4Department of Statistics, Univ...

2001
Jacob A. Bikker Katharina Haaf

This paper examines competitive conditions and market structure in the banking industry, and investigates their interrelationship. Competition is measured using the non-structural Panzar-Rosse model, which assesses the elasticities of interest revenues with respect to changes in banks’ input prices. In order to distinguish competitive behaviour on local, national and international markets, for ...

2015
Greg Odorizzi Phyllis Hanson Jon Audhya Winfried Weissenhorn David Teis

The endosomal sorting complexes required for transport (ESCRTs) collectively comprise a machinery that was first known for its function in the degradation of transmembrane proteins in the endocytic pathway of eukaryotic cells. Since their discovery, however, ESCRTs have been recognized as playing important roles at the plasma membrane, which appears to be the original site of function for the E...

Journal: :Development 2014
Junzheng Zhang Juan Du Cong Lei Min Liu Alan Jian Zhu

Ubiquitylated developmental membrane signaling proteins are often internalized for endocytic trafficking, through which endosomal sorting complexes required for transport (ESCRT) act sequentially to deliver internalized cargos to lysosomes. The ESCRT function in endocytic sorting is well established; however, it is not fully understood how the sorting machinery itself is regulated. Here, we sho...

Journal: :مهندسی بیوسیستم ایران 0
سیدهاشم موسوی اول دانشجوی دکتری گروه مهندسی ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران شاهین رفیعی استاد گروه مهندسی ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد شریفی استادیار گروه مهندسی ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران سلیمان حسین پور استادیار گروه مهندسی ماشین های کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

the objectives of this study at the first step are to analyze energy consumption and economical profitability in canola production in mazandaran province of iran and then to investigate environmental emissions of the production using life cycle assessment methodology. at the next step, the corresponding coefficients are applied to investigate environmental indices in canola production. required...

M Hazbavi M J Tahmasebi Birgani, M Tahmasbi N Chegeni, S M Hoseini

Background: In radiotherapy, low-energy photon beams are better adapted to the treated volume, and the use of high-energy beams can reduce hot spots in the radiation therapy. Therefore, mixing low and high energies with different ratios can control the rate of hotspots, as well as the dose distribution of the target volume.Material and Methods: The percentage depth doses (PDDs) were calculated ...

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