background: protecting the environment from chemical hazards of synthetic insecticides along with offering of new breeding areas for vectors by urbanization indicate the trial of natural insecticides. methods: the acetone extracts of anethum graveolens , ocimum basilicum and thymus vulgaris were tested for their insecticidal effect on culex pipiens adults and larvae in different concentrations ...

In his article "On Naipaul's Cultural Positions in The Middle Passage" Shizen Ozawa discusses V.S. Naipaul's first travel writing. An account of his "returning" journey to the five Caribbean "colonial societies," The Middle Passage constitutes a major turning point in Naipaul's literary career. Whereas his earlier novels depict his homeland of Trinidad ironically, although with a certain warmth...

The present study applies the model of American Meteorological Society-Environmental Protection Agency Regulatory Model (AERMOD) to investigate NO2 emissions from Besat thermal power plant, which is fuelled by natural gas to function. Results indicate that the simulated concentration of NO2 based on AERMOD, does not exceed NO2 concentration limit, set by the Iranian Ambient Air Quality Standard...

OBJECTIVE To study the natural history of stone passage in children with ureterolithiasis and to define factors predictive of spontaneous passage. PATIENTS AND METHODS In all, 72 children with ureteric stones were evaluated; patients with ureteric calculi of >10 mm were excluded, as were those with absolute indications for surgical stone removal. Stone size, location, side, presence of hydron...

approving the children’s protecting laws, we confront with the samples of criminal and ethic policies taken in order to keep children safe against any discrmination. taking a short brief of issues disscussed in this framework, we can recognize that the lawmakers are under the influence of children rights convention and the facts related to it. the law which is based on children abuse, brings th...

background: the refining process generates large volumes of wastewater containing a variety of chemical contaminants. the use of natural substitutes in treating wastewater which have fewer harmful effects is considered an effective step towards protecting the environment and sustaining the development of these industries. this study focused on the use of moringa oleifera and alum at the wastewa...

"Private law of a natural person" is the category from which private international begins. "Personal law" considered determining factor in description legal status citizen another country or this foreign country. Issues foreigners represent an integral part conflict regulation their and capacity are traditionally central law.

By considering certain factors like those mentioned by Ian Thompson (2005) in his definition of landscape, i.e. ecology, community and delight, in designing landscapes, one can find the vocation more applicable and useful. City rivers can play a very important role with regard to such values. In fact, the presence of nature and wildlife could not only be the lifeline of a city, but also a facto...

Background: Somatic cell nuclear transfer (SCNT) provides an appealing alternative for the conservation and improvement of genetic material of unique and endangered species. An important prerequisite for successful SCNT is the availability of good quality donor cells, as normal embryo development is dependent upon proper reprogramming of the donor genome so that embryonic genes can be appropria...