this paper proposes a stochastic framework for demand response (dr) aggregator to procure dr from customers and sell it to purchasers in the wholesale electricity market. the aggregator assigns fixed dr contracts with customers based on three different load reduction strategies. in the presented problem the uncertainty of market price is considered and the risk of aggregator participation is ma...

objective(s):the utilization of molecular techniques in the epidemiology of tuberculosis have provided an opportunity for using effective markers to trace the transmission of the disease .the purpose of this study was to compare the genetic patterns of mycobacterium tuberculosis by three methods of rflp technique. materials and methods: in a cross-sectional and prospective study, 95 strains of ...

The war lingers on, and despite assurances to the contrary from the Nixon Administration, there appear to be few hopes for lasting peace. Precipitous technological advances during the last generation have left the world on the brink of devastation. Geological studies record " many examples of species that have failed to survive because of inadaptability to environmental change, but only Homo Sa...

China is a key area for research into human occupation in the Old World after the initial expansion of early humans out of Africa. Reliable age determinations are pivotal for assessing the patterns of human evolution and dispersal in this region. This paper reviews magnetostratigraphic studies of some early Pleistocene strata bearing hominin remains and/or artifact stone tools from northern to ...

After publication of the article by Gücü et al. [1], it was found that Dr Onder Bozkurt had been inadvertently omitted from the author list. The author list has therefore been amended accordingly. The authors apologise for any inconvenience this may cause. which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The Creative Com...