there are a number of requirements by which animals should be managed so that the best performance is achieved in a way acceptable to those responsible for the care of the animals and to the community generally. these requirements are the keys to good management and may be used to test the management of a poultry enterprise in relation to the standard of its management. these requirements are a...

In according to quantity of various consumption materials in construction sites of complex projects such as oil industry, infrastructure, and large scale commercial, management and monitoring of materials can affect on the final time and cost of project’s activities. In today’s world of rising labor costs and labor shortages, automated materials tracking can provide some advantage to impr...

Background: The minds of students experiencing academic stress fail to quickly analyze the mass of information they are exposed to, resulting in irreparable physical and mental damage. The present study aimed to investigate the mediating role of self-efficacy beliefs in the relationship of family emotional climate and time management with academic stress in university students. Methods: The st...

background and purpose: study skills is one important factor influencing academic achievement of students . we must replace ineffective models and habits of study with more fruitful skills in order to gain better learning. this study investigates the study skills and habits of medical students and their educational achievement. methods: based on a pilot study the sample size was estimates as 40...

Nowadays, factors such as economic globalization and creation of global markets, rapid changes of technologies, become-knowledgeable organizations, expansion of e-commerce, rapid and easy access of the consumer to goods and services, and change of their social requirements have caused a severe competition among businesses followed by a stress on these organizations` personnel. Thus, aside the o...

the shortage of fresh water and growing competition for clear water makes less water available for agriculture production. the great chalange for the coming decades will be the task of increasing food  production with less water, particularly in countries  with limited water and land resources. therefore, increasing of irrigation efficienciy and decreasing of water losses are important factores...

Time should be understood in relation to others, not as a private matter. Therefore time, including its use and experience, is subject negotiations, power relations inequality. This article utilises the concept of household economy money management systems model explore couples’ practices time. The research questions are: what time can identified, how are couples differentiated? study uses inte...

this study investigated the effect of sowing date and limited water allocation management for single irrigation on the grain yield of rainfed barley. the experiment was a split-split plot arranged in a randomized complete block design with three replications from 2004 to 2006 at the main station of the dryland agricultural research institute at maragheh. the treatments comprised three sowing da...