This paper presents a scalable digital learning system that can store and provide Web access to digital contents from voluntaries, teachers, and institutions that lack resources or expertise to offer classes over the Internet. We use the server-cluster architecture as a way to create scalable and highly available solutions. However, hosting a variety of contents from different owners on such a ...

Due to the flammability and explosion characteristics of the propane vapor cloud, a nearby propane tank farm could possibly present a significant risk to the operation of nuclear power plants. Accidental releases of propane may occur in the propane supply pipeline, at the propane storage tanks, or on the propane transportation routes due to propane transport trailer truck accidents. Loss of con...

Behavior of Salmonella and Listeria monocytogenes in raw yellowfin tuna during refrigeration and frozen storage were studied. Growth of Salmonella was inhibited in tuna during refrigerated storage, while L. monocytogenes was able to multiply significantly during refrigerated storage. Populations of Salmonella in tuna were reduced by 1 to 2 log after 12 days of storage at 5-7 °C, regardless leve...

The study was conducted to quantify the post-harvest losses (PHL) of cut-flowers atvarious levels market intermediaries’ i.e. farm, commission agent, wholesale and retaillevels. Primary data were collected from district Kasur, Lahore, Sheikhupura, Faisalabad. Therespondents selected by employing stratified random sampling technique. SPSS used forthe descriptive statistics multiple regression mo...

All human societies must solve a set of problems related to food. The first of these is to procure edible plants and animals through some form of production process. Early humans relied mainly on hunting, fishing, and gathering all of which are still practiced in the modern world. About 10,000 years ago, certain plants and animals were domesticated giving rise to new methods to produce food. Cr...