Waste is a byproduct of human life. Nowadays, municipal solid waste is being produced in excessive amounts and in this way, both developing and developed countries are facing challenges regarding generation of waste. Economic development, urbanization and improved living standards in cities have contributed to increase in the amount and complexity of solid waste produced. The present stud...

With the increasing of storage scale and complexity, the storage management for heterogeneous environments is becoming more and more important. This paper introduces an improved software target emulator integrated with storage virtualization management called VTarget, and some key technologies are explained in detail. The VTarget system can manage various heterogeneous storage resources and pro...

ILM and tiered storage system are designed to address the challenge of achieving balance between cost and storage performance. However, both of them are hard to implement fully automatic data migration by traditional solutions for which are mainly relying on administrators experience and need huge manual work for data migration according to storage configuration and IO access patterns. This pap...

Introduction: Optimization of waste collection systems can reduce waste management costs. In this study, optimization of the waste collection system of district 3 of Yazd municipality of Iran has been investigated using underground containers. Materials and Methods: In this research, after collecting information and performing field inspections, the statistical and raster information obtained ...

this study by the first, was carried out to evaluate and comparing disposal waste management in karaj's hospitals in 1387. interview and observation methods were used to collect data and the study tool was a questionnaire. data were analyzed by the spss, using chi-square and t-test. regarding the condition of infectious waste generation, 64% of the hospitals had a good grade. source separa...

concept of working memory is ubiquitous in research concerned with temporary storage and on-line processing in humans and animals. The replacement by Baddeley and Hitch (1974) of the concept of short-term memory focused largely on retention of word lists, with the broader concept of a multiple component working memory, was remarkable in redefining a major area of scientific endeavour. It has be...

Storage Area Networks (SAN) have become one of the most widely used solution for high performance enterprise storage applications. However, the infrastructures of SANs are very complex and varied among different vendors. It is important to understand the behavior of these SANs in order of enhancing performance of the applications that run on them. The main idea of this paper is to understand th...

Why are distributed systems more interesting now than they may have been one or two dozen years ago? A number of advances in computing technology had a profound effect on distributed systems. Network connectivity increased by a factor of a thousand since the 1980s. Connectivity within a local area network (LAN) moved from shared to switched networking, allowing the network to scale without incr...