نتایج جستجو برای: plant modeling

تعداد نتایج: 775455  

Journal: :Current opinion in plant biology 2004
Przemyslaw Prusinkiewicz

Computational plant models or 'virtual plants' are increasingly seen as a useful tool for comprehending complex relationships between gene function, plant physiology, plant development, and the resulting plant form. The theory of L-systems, which was introduced by Lindemayer in 1968, has led to a well-established methodology for simulating the branching architecture of plants. Many current arch...

Journal: :The Plant cell 2014
Kambiz Baghalian Mohammad-Reza Hajirezaei Falk Schreiber

Models are used to represent aspects of the real world for specific purposes, and mathematical models have opened up new approaches in studying the behavior and complexity of biological systems. However, modeling is often time-consuming and requires significant computational resources for data development, data analysis, and simulation. Computational modeling has been successfully applied as an...

2017
Amy Marshall-Colon Stephen P. Long Douglas K. Allen Gabrielle Allen Daniel A. Beard Bedrich Benes Susanne von Caemmerer A. J. Christensen Donna J. Cox John C. Hart Peter M. Hirst Kavya Kannan Daniel S. Katz Jonathan P. Lynch Andrew J. Millar Balaji Panneerselvam Nathan D. Price Przemyslaw Prusinkiewicz David Raila Rachel G. Shekar Stuti Shrivastava Diwakar Shukla Venkatraman Srinivasan Mark Stitt Matthew J. Turk Eberhard O. Voit Yu Wang Xinyou Yin Xin-Guang Zhu

Multi-scale models can facilitate whole plant simulations by linking gene networks, protein synthesis, metabolic pathways, physiology, and growth. Whole plant models can be further integrated with ecosystem, weather, and climate models to predict how various interactions respond to environmental perturbations. These models have the potential to fill in missing mechanistic details and generate n...

The present paper discusses the development of a performance model of power generation system of a thermal plant for performance evaluation using Markov technique and probabilistic approach. The study covers two areas: development of a predictive model and evaluation of performance with the help of developed model. The present system of thermal plant under study consists of four subsystems with...

Renewable energy provides twenty percent of electricity generation worldwide. Hydroelectric power is the cheapest way to generate electricity today. It is a renewable source of energy and provides almost one-fifth of electricity in the world. Also, it generates electricity using a renewable natural resource and accounting for six percent of worldwide energy supply or about fifteen percent of th...

2013
Makoto Nakaya Xinchun Li

MIRROR PLANT uses physical plant modeling based on physical and chemical laws. However, the physical model cannot express some phenomena in plants, especially those which are not physically determined yet. We propose a hybrid model of a physical model and a statistical model based on historical plant operation data. Combining the physical model and statistical model improves the estimation accu...

Journal: :سلامت و محیط زیست 0
اصغر علیزاده داخل a. alizadehdakhel department of chemistry, islamic azad university, rasht branch guilan, iranکارشناس ارشد مهندسی شیمی-عضو هیئت علمی دانشگاه آزاد اسلامی-واحد رشت- گروه شیمی. آریامن قویدل a. ghavidel member of scientific board of environmental research institute of jahad daneshgahi, rasht, gilan, irکارشناس ارشد بهداشت محیط- عضو هیئت علمی پژوهشکده محیط زیست جهاد دانشگاهی محمد پناهنده m. panahandeh member of scientific board of environmental research institute of jahad daneshgahi, rasht, gilan, irکارشناس ارشد بهداشت محیط- عضو هیئت علمی پژوهشکده محیط زیست جهاد دانشگاهی.

backgrounds and objectives: the dispersion of particulate matter has been known as the most serious environmental pollution of cement plants. in the present work, dispersion of the particulate matter from stack of kerman cement plant was investigated using computational fluid dynamics (cfd) modeling.materials and methods: in order to study the dispersion of particulate matter from the stack, a ...

Journal: :journal of chemical and petroleum engineering 2014
mojtaba ahmadi yasser vasseghian

the main objective of this study is the modelling and optimization of an industrial hydrocracker unit (hu) by means of adaptive neuro fuzzy inference system (anfis) model. in this case, some data were collected from an industrial hydrocracker plant. inputs of an anfis include flow rate of fresh feed and recycle hydrogen, temperature of reactors, mole percentage of h2 and h2s, feed flow rate and...

Journal: :Automatica 1983
Petros Ioannou C. Richard Johnson

The stability properties of discrete-time parallel and series-parallel identifiers with respect to a specific model-plant order mismatch are analyzed. While in a deterministic environment with no modeling error the two schemes give identical results, when used in a deterministic environment with modeling error their performance is different. We assume a singularly perturbed state representation...

2011
Lee J. Sweetlove R. George Ratcliffe

Flux-balance modeling of plant metabolic networks provides an important complement to (13)C-based metabolic flux analysis. Flux-balance modeling is a constraints-based approach in which steady-state fluxes in a metabolic network are predicted by using optimization algorithms within an experimentally bounded solution space. In the last 2 years several flux-balance models of plant metabolism have...

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