this experiment was conducted to evaluation the effects of different levels of untreated and treated green grape leaf with urea on performance, egg quality traits and blood parameters of laying hens. in this experiment 192 hy-line (w-36) laying hens, 35 to 46 wk of age were divided in to 4 treatments with 4 replicates (12 birds per replicate) in a completely randomized design experiment. the tr...

this research which aims to survey the relation between tobacco leaf yield and its components is done by using 118 varieties of tobacco in a research farm of guilan tobacco research institute. regarding to five random selections of plants, twenty three traits of each variety were evaluated. correlation between dry matter of leaf yield with plant height, stem diameter, leaf length, leaf width, l...

urbanization and population growth along with an increase in the environmental pollution resulting from human activities which have dramatically changed the green space and land cover have been key factors in the sustainable development of land and the management of land use. to collect reliable data required for providing land cover maps as well as for investigating the environment, remote sen...

organizations in order to capture sustainability and competitive advantage need to pay attention to environmental issues throuoghout their supply chain. by decreasing costs, improving image and being protected against environmental laws it can lead to organizational competitive advantage. current research has been done investigating the relationship between green supply chain and capturing cope...

objectives: biomechanical preparation and irrigation with antimicrobial solutions are necessary to disinfect the root canal space. this in vitro study aimed to examine the antifungal effect of green tea extract on candida albicans biofilm formed on tooth substrate. materials and methods: minimum fungicidal concentration (mfc) and minimum inhibitory concentration at which 90% of the isolates wer...

background: this study aims at investigating the possible effects of different daily doses of green tea (gt) intake for eight weeks on certain anthropometric, metabolic, and oxidative stress biomarkers of diabetic patients. materials and methods: this randomized clinical trial included 63 patients with type 2 diabetes (30 males and 33 females). after a two-week run-in period without green tea, ...

abstract during 2008-2009 species composition of injurious mites associated with common broad leaf trees and ornamental shrubs in green spaces of mashhad region was surveyed. as result, 13 mite species belonging to 10 genera and 3 families, eriophyidae, tetranychidae and tenuipalpidae were collected and identified. in bellow list, the new records for razavi khorasan and iran are indicated with ...

objective(s): in recent years, the biosynthesis of gold nanoparticles has been the focus of interest because of their emerging application in a number of areas such as biomedicine. in the present study we report the extracellular biosynthesis of gold nanoparticles (aunps) by using a positive bacterium named streptomyces fulvissimus isolate u from rice fields of guilan province, iran.materials a...

some n¬-acyl-n'-aryl thiourea derivatives 4(a-f) have been prepared by the reaction of acyl halides ammonium thiocyanate and aryl amines. the structures of synthesized compounds have been characterized by ir, 1hnmr spectral studies. the synthesized compounds 5(a-f) have been screened for antibacterial activity. the effect of the structure of the investigated compounds on the antibacterial activ...

background: nano-biotechnology is considered as one of the mainly vigorous field of research in new material science. recently, biosynthetic methods employing both biological microorganisms such as bacteria and fungus or plants extract have developed speedily as a trouble-free and feasible choice to obtain nanomaterials alternative to more complex chemical synthetic procedures. the particular d...