occurrence of chaotic behaviors because of fluctuations creation and their intensified transfer along the chain is one of the main causes of inefficiency of material requirements planning (mrp) based supply chains. one of the reasons of the inefficiency is the lumpiness phenomenon. through this phenomenon, some parts have an irregular production schedule, with nothing produced in some periods a...

purpose: this study was designed to investigate the association between knowledge creation and   organizational innovation among the staff of tehran university of medical sciences (tums).   materials and methods: in this descriptive correlational study, 132 individuals from tums   employees were randomly selected based on cochran’s formula. the questionnaires of knowledge   creation management ...

Since its discovery, the Phe-Phe motif has gained in popularity as a minimalist building block to drive the self-assembly of short peptides and their analogues into nanostructures and hydrogels. Molecules based on the Phe-Phe motif have found a range of applications in nanomedicine, from drug delivery and biomaterials to new therapeutic paradigms. Here we discuss the various production methods ...

Many consider that Evolution and Creation are alternatives and therefore that one must make a choice between these two explanations of the natural world. This difficulty has dogged the debate since Darwin presented his explanation of the multiplicity and development of species in the 19th C. and even before. The issue has therefore become polarised and often the subject of bitter controversy. H...

abstract since ancient time clothes has been integrated into human life, though this is the 1960s and after when clothes have been described as an artistic concept. nowadays, clothes in addition to their traditional functions including protection, coverage and beauty have found communicative function as well. since 1960s, artists have benefited from such a powerful tool presenting their desired...

Information system (IS) is defined as a system of people, data records and activities that process the data and information in an organization, and it includes the organization's manual and automated processes. The aim of information systems (IS) is to process data collected in the information for their transformation into knowledge for various purposes. The term “human resources” is used since...

This research seeks to explore value creation through e-business by emphasizing the impacts of Internet-enabled business conduct. We assume that firms may reap the benefits of engaging in e-business only if they are able to develop, adopt and use Internet-enabled business models (e-business models). Moreover, e-business value is created only if firms adopt e-business models that respond to rele...

An issue that has taunted mankind through the ages is the question of origins. Since ancient times people have been keenly interested in understanding and explaining their provenance. The ancient creation mythologies of Mesopotamia, Egypt, China, India, Iran, Japan, or Mexico, or a child's question to his parents about who made the world shows that this concern is intrinsic to human nature. The...