Among the existing web-based Learning Management Systems (LMSs), there is an exponentially increasing need of content interoperability. This has caused the apparition of different standardization initiatives. In this paper we describe our approach to the design of , a new LMS which adheres closely to IMS standards in an attempt to evaluate the practical viability of those standards. The...

A dynamic programming approach was used to evaluate the effect of changing the feed input to product price relationship on the beef production management decision process. The dynamic programming model consists of nine submodels describing and analyzing the time-dependent beef production management decision process. The model incorporates biological functions and economic principles. Results cl...

In This paper, we focus on the need for compares the organic production, operation and management patterns between paddy rice production base of Zhongliangmeiyu Ltd (Meiyu for short) and organic vegetable production base of company A, and adopt the SWOT approach to analyze the strengths, weaknesses as well as external opportunities and threats of the two patterns. The conclusion can be briefed ...

Introduction: Unit risk management is a critical component of gas refining management, as risks that are not well-managed may lead to trip production failures. The present study aimed to provide a structural model for investigating the role and effect of different variables on stopping the gas production process in the gas refinery. Material and Methods: This study was a retrospective cross-se...

. introduction east azerbaijan province is one of disaster-prone provinces of the country and each year the occurrence of potential risks of atmospheric phenomena is not unexpected. however, the lack of sufficient information and knowledge of farmers in the field of risk management strategies in agricultural production process has multiplied the losses incurred to farmers. thus, the existence o...

risk and uncertainty in agricultural activities are being considered by agricultural producers as main obstacle in adopting new technologies and also mentioned as a hinder for the new agricultural investment. risk management is important and should be taken into account since uncertainty is inherent in the price and production as well as income of the farmers. in this paper, we study the role o...