نتایج جستجو برای: field performance data

تعداد نتایج: 3768253  

Journal: :journal of agricultural science and technology 2010
m. m. heidari s. kouchakzadeh e. bayat

a subsurface drainage network mainly carries unsteady flow and data are not usually available for model parameters calibration in such networks. in the present research, the finite volume method using the time splitting scheme was employed to develop a computer code for solving the one dimensional unsteady flow equations. using corrugated sub drainage pipes, an experimental prototype setup was ...

2014
F. Memari M. Momeni A. R. Ghasemi

Some indexes are necessary for performance evaluation of a management system. Balanced scorecard (BSC) is used in order to extraction of these indexes for evaluating the necessary performances in the evaluation process. Utilization of BSC causes to prevent in increasing information and data. Furthermore, all of the important indexes are considered in evaluation performance.Data envelopment anal...

Journal: :British Journal of Ophthalmology 2007

ژورنال: علوم آب و خاک 2013
اسلامیان, سعید, حیدرپور, منوچهر , روحی, جابر , مروج الاحکامی, بیتا, مصطفی زاده فرد, بهروز,

Most furrow irrigation systems have low performance due to deep percolation at the upstream end and tailwater runoff at the downstream end of the field. To eliminate this problem improving furrow irrigation performance is necessary. Since the inflow discharge has high effect on infiltration along the furrow which consequently affects the application efficiency and water distribution uniformity,...

Journal: :Proceedings of National Aviation University 2015

2016
Ying Wen Jun Wang Tianyao Chen Weinan Zhang

This paper presents a method of learning distributed representation for multi-field categorical data, which is a common data format with various applications such as recommender systems, social link prediction, and computational advertising. The success of non-linear models, e.g., factorisation machines, boosted trees, has proved the potential of exploring the interactions among inter-field cat...

Identification and mapping of the significant alterations are the main objectives of the exploration geochemical surveys. The field study is time-consuming and costly to produce the classified maps. Therefore, the processing of remotely sensed data, which provide timely and multi-band (multi-layer) data, can be substituted for the field study. In this study, the ASTER imagery is used for altera...

ژورنال: فیزیک زمین و فضا 2014
A Safari H Amin I Foroughi M.A Sharifi

Gravity acceleration data have grand pursuit for marine applications. Due to environmental effects, marine gravity observations always hold a high noise level. In this paper, we propose an approach to produce marine gravity data using satellite altimetry, high-resolution geopotential models and harmonic splines. On the one hand, harmonic spline functions have great capability for local gravity ...

Journal: :مدیریت صنعتی 0
فرهاد فتحی هفشجانی تولید، دانشگاه آزاد اسلامی واحد نجف‎آباد، ایران مهدی بشیری گروه مهندسی صنایع دانشگاه شاهد، ایران مهدی کرباسیان گروه مهندسی صنایع دانشگاه صنعتی مالک اشتر، ایران

the increasing emphasis on supply chain management (scm) has led researchers to rethink models, constructs, and frameworks for quality management (qm) that have been developed for the field of operations management. in this paper, within the framework of a structural model we investigate how these two supply chain management-related quality practices (customer focus and supplier quality managem...

Esfandyar Mohammadi, Roya Eshraghi

Since insuring agricultural products is one of the effective instruments for risk management in agricultural sector, it can reduce risk avoidance among farmers and increase their competence in using production factors and, consequently, increases their inclination towards investment in agricultural sectors. The purpose of the current study was to investigate the factors influencing policyholder...

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