نتایج جستجو برای: optimum environment

تعداد نتایج: 581725  

2018
F. A. Hayek

What is the problem we wish to solve when we try to construct a rational economic order? On certain familiar assumptions the answer is simple enough. If we possess all the relevant information, if we can start out from a given system of preferences, and if we command complete knowledge of available means, the problem which remains is purely one of logic. That is, the answer to the question of w...

2007
Richard Mark Downing

The role of population size is investigated within a neutrality induced local optima free search space. Neutrality decouples genotypic variation in evolvability from fitness variation. Population diversity and neutrality work in conjunction to facilitate evolvability exploration whilst restraining its loss to drift, ultimately facilitating the evolution of evolvability. The characterising dynam...

Journal: :تحقیقات اقتصادی 0
سمیه امیرتیموری دکتری اقتصاد منابع طبیعی، دانشکدة کشاورزی، دانشگاه تربیت مدرس صادق خلیلیان دانشیار، گروه اقتصاد کشاورزی، دانشکدة کشاورزی، دانشگاه تربیت مدرس حمید امیرنژاد دانشیار گروه اقتصاد کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری علی محبی دانشیار، گروه مهندسی شیمی، دانشکدة فنی، دانشگاه شهید باهنر کرمان

sarcheshmeh copper complex is the largest producer of copper in iran. with copper production, high amounts of so2 are being produced in this complex and emmited into the environment. so, in this study, the social optimum level of so2 released from this complex and the optimal tax rate will be evaluated. for this purpose, md and mac curves were estimated. the wtp for the reduction of so2 emissio...

2015
Jiansheng Peng

For path planning of mobile robot, the traditional Q learning algorithm easy to fall into local optimum, slow convergence etc. issues, this paper proposes a new greedy strategy, multi-target searching of Q learning algorithm. Don't need to create the environment model, the mobile robot from a single-target searching transform into multitarget searching an unknown environment, firstly, by the dy...

2008
ACHILL SCHÜRMANN

We introduce a parameter space for periodic point sets, given as a union of m translates of a point lattice. In it we investigate the behavior of the sphere packing density function and derive sufficient conditions for local optimality. Using these criteria we prove that perfect, strongly eutactic lattices cannot be locally improved to yield a denser periodic sphere packing. This in particular ...

2012
Vipin Saxena Nimesh Mishra

Due to presence of high speed bandwidth network called as National Knowledge Network (NKN) environment, the communication between the two computer systems by message passing and data transmission techniques have improved significantly. The existence of heterogeneous network environment has different configuration supporting network. In such type of networks, the process execution depends upon s...

2015

The out-of-band impedance environment is considered to be of paramount importance in engineering the in-band impedance environment. Presenting the frequency independent and constant outof-band impedances across the wide modulation bandwidth is extremely important for reliable device characterization for future wireless systems. This paper presents an out-of-band impedance optimization scheme ba...

2017
Christopher D G Harley Sean D Connell Zoë A Doubleday Brendan Kelaher Bayden D Russell Gianluca Sarà Brian Helmuth

Connecting the nonlinear and often counterintuitive physiological effects of multiple environmental drivers to the emergent impacts on ecosystems is a fundamental challenge. Unfortunately, the disconnect between the way "stressors" (e.g., warming) is considered in organismal (physiological) and ecological (community) contexts continues to hamper progress. Environmental drivers typically elicit ...

Journal: :Solid-State Electronics 1982

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