in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Based on the grounds giving form to teachers' professional identity in Iran's educational system, the present study aims to provide a framework to portray, with a power-based approach, the various kinds of professional identity which can be perceived for Iranian teachers. For this purpose, narratives were collected and the discourses were analyzed, which led to different kinds of issues regard...

background: organic nitrates relax all kinds of smooth muscle , not only vascular smooth muscle , a fact that has allowed the use of these drugs to treat many different aliments. objective.-the purpuse of this study was to examine prosepectively benefical effects , if any, of sublingual nitroglycerin on the pain of renal colic. design.- prospective , randomised , double blind, placebo- contoled...

purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...

  Evaluation the Effects of Bezoar on Survival Duration and Attenuation of Complications of Echis Carinatus Snake Venom Poisoning in Mice     M.R. Heidari [1] Gh.R. Sepehri [2] , M.J. Zahedi [3] , R. Sheibani Tezerji [4]     Received: 11/06/06 Sent for Revision: 01/11/06 Received Revised Manuscript: 31/01/09 Accepted: 02/02/09     Background and Objectives: Snakebite treatment is one of the maj...