It is evident to all those involved in urban water management that three important units need to be considered to assess the performance of an urban drainage system: the sewer, the treatment plant and the receiving water. The sewage transport and treatment system have to be designed and operated with respect to the objectives of the investments made: prevent flooding, ensure hygienic quality in...

Background & Aims of the Study : Consumption of honey has remarkably increased in the last years all over the world. Factors such as plant species, environmental, processing, and storing condition are affecting honey quality. The purpose of this study was to evaluation of Hygienic quality of honey samples produced from Qazvin province. Materials and Methods: 34 fresh honey Samples were obta...

Hygienic behaviour performed by middle!aged worker bees is an important intranidal task in colonies of the honey bee Apis mellifera "L[#[ It comprises detecting diseased brood in the larval and pupal stages and removing all such infected brood\ thereby decreasing the incidence of infection[ Hygienic behaviour consists of two task!components] uncapping cells and removing the cell contents[ The a...

  Background: The sale of food by street vendors is an activity of economic, sanitary, and nutritional importance, but these foods can pose a high risk to the health of consumers in inadequate conditions of preparation and storage. The aim of this study was to investigate the preparation conditions and the hygienic-sanitary quality of food sold by street vendors in the vicinity of four campuse...

The constant social changes, globalization, rapid technological progress, population aging and the current hygienic-epidemiological environment, define transformations in political, economic spheres that impose new challenges on Public Health sector, charge of preserving, guaranteeing promote health quality life [1].

It is possible to define a formal semantics for configuration, elaboration, linking, and evaluation of fully-parameterized first-class modules with hygienic macros, independent compilation, and code sharing. This dissertation defines such a semantics making use of explicit substitution to formalize hygienic expansion and linking. In the module system, interfaces define the static semantics of m...

Survey of sanitation conditions by qualitative sanitation measurement were carried out in three districts, Chachoengsao Province, Thailand. The sanitation of each household was assessed in terms of positive stool examination and scores of seven main sanitary activities which were used to classify each household's sanitation as hygienic or non-hygienic. Stool collections were made from each hous...