19 results for “Shortages”

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Research ArticleOpen accessIn the abstractEvaluation of Common Maintenance Methods for Flexible PavementsAsma T. Ibraheem, Suda M. GaniProblem statement: With the increasing use and awareness of pavement management systems and the growing emphasis on asset management of pavement infrastructure, it is important to strengthen the maintenance components of these systems and particularly the preventive maintenance component. Iraqi Roads don’t receive an effective and proper maintenance during their service life until they reach the state of major failure … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 3 · 29 Nov 2011 · 7,859 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Stock Dependent Economic Order Quantity Model for Perishable Items Under Inflationary ConditionsSingh Sarbjit, Singh Shiv RajProblem statement: In most of the earlier inventory models, effect of inflation has been ignored, which is playing pilot role in present environment. In this article, we have proposed an economic order quantity model for deteriorating items having stock dependent demand (whose demand varies with the stock) under the effect of inflation. Approach: Firstly, problem is framed in the form … …American Journal of Economics and Business Administration, Vol. 2, Issue 3 · 30 Sep 2010 · 7,387 accessesView PDF Cite

Research ArticleOpen accessIn the abstractPopulation Growth, Climate Change and Water Scarcity in the Southwestern United StatesAmy c. Fuller, Michael O. HarhayProblem statement: In a simple economic model, water scarcity arises as a result of an imbalance between the supply of and demand for water sources. Distribution in this setting is the source of numerous conflicts globally. Approach: Already, the Southwestern United States (US) suffers from annual drought and long-standing feud over natural water resources. Results: Population growth in the Southwestern … …American Journal of Environmental Sciences, Vol. 6, Issue 3 · 30 Jun 2010 · 10,042 accessesView PDF Cite

Research ArticleOpen accessIn the abstractOn Replenishing Items with Seasonal Intermittent DemandGary Mitchell, Meike NiederhausenProblem statement: There are numerous difficulties associated with replenishing intermittent demand items and these are compounded when the demand distribution(s) vary seasonally. Excess inventories during an “off” season are typical, while shortages frequently occur during the “in” season, especially at the transition points between “seasons”. Approach: Evaluate the extent to which items characterized by non-stationary (seasonal) intermittent demand can be … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 7,537 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSocial Capital Concerning a Conservation of Sweet Wild Trees (Phak Whanpa) in a Northeastern Thailand CommunityPhiphaporn Ravipolsadtanan, Worapol Aengwanich, Prasopsuk LittidetProblem statement: Thai people favored to eat Sweet Wild Trees (Phak Whan Pa). The wild trees naturally grew quite slowly in the forests. Their leaves, eaten as vegetables, could not meet market demand nationwide. Seedling was difficult and people were not interested in planting them. Support from government and/or public sectors was slow. Those were the causes for shortages of … …Journal of Social Sciences, Vol. 5, Issue 1 · 31 Mar 2009 · 7,794 accessesView PDF Cite

Research ArticleOpen accessIn the abstractIntelligent OkiKoSenPBX1 Security Patrol Robot via Network and Map-Based Route PlanningMbaïtiga ZacharieProblem statement: With an increased demand for security and limited numbers of trained security personnel, some security mangers have a lot of ground to police and limited staff to cover it. To compensate for shortages of security staff and to reduce the stress of security managers, we have developed an intelligent patrol robot system called "OkiKoSenPBX1". The system integrates a … …Journal of Computer Science, Vol. 5, Issue 1 · 31 Jan 2009 · 7,410 accessesView PDF Cite

Research ArticleOpen accessIn the abstractMulti-Product Multi-Constraint Inventory Control Systems with Stochastic Replenishment and Discount under Fuzzy Purchasing Price and Holding CostsAta Allah Taleizadeh, Seyed Taghi Akhavan Niaki, Mir-Bahador AryanezhadWhile in multi-periodic inventory control problems the usual assumption are that the orders are placed at the beginning of each period (periodic review) or depending on the inventory level they can happen at any time (continuous review), in this research, we relax these assumptions and assume that the periods between two replenishments of the products are independent and identically distributed … …American Journal of Applied Sciences, Vol. 6, Issue 1 · 31 Jan 2009 · 8,085 accessesView PDF Cite

Research ArticleOpen accessIn the abstractIntegrated Water Resources Management Improving Langat Basin Ecosystem HealthMazlin B. Mokhtar, Mohammad Fawzi Al Ajlouni, Rahma ElfitrieThe ecosystem provides us with all the goods and services that form the base of our economic, social cultural and spiritual life. Good scientific information will be required for managing the environment by using the Ecosystem approach. The groundwater is considered as a possible supplementary of alternative water source, and some factories already started shifting their water source from surface … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 7,053 accessesView PDF Cite

Research ArticleOpen accessIn the abstractThe Private Sector's Role in limiting unemployment in JordanKhaled M.M.Abu AliqahThis study is aimed to define unemployment, and private sector, to know more about both, and to study the role of the private sector in limiting unemployment in Jordan in special. In a particular year the level of unemployment is determined by the level of aggregate demand for the goods and services which a country produces .if demand higher this … …Journal of Social Sciences, Vol. 4, Issue 1 · 31 Mar 2008 · 7,203 accessesView PDF Cite