the present study carried out an in vitro experiment on effects of salinity and temperature on acartia tonsa life cycle from caspian sea. during the experiment, temperature and salinity ranged 25, 27, 29 ± 1 °c and 12‰ and 17‰, respectively within a period of 60 days. spawning rate was measured using mesh size of 100 µ planktonic net from surface to 10 m depth. early results show that nauplii a...

although the shelling and bombing against the residential areas have been prohibited in the international law, the iraqi regime used these tools frequently to advance its military and political strategy. these attacks were escalated after the kheibar operation. this article considers the definitions and concepts of the war of the cities and then studies the trend of this war during the iran-ira...

inhalant anaesthetics are used widely for producing general anaesthesia in animals and humans.. approximately 20% of halothane uptake is metabolised via oxidative and reductive pathways during and following halothane anaesthesia in humans. fifteen clinically healthy dogs were assigned in three groups (group 1, 2and 3) randomly. all dogs were anesthetized with halothane three times that was repe...

in this work, a novel method is described for the preconcentration of pb2+, cd2+ and zn2+ ions in environmental samples using uniform silanized mesopor (lus-1) functionalized by ethylenediamine groups as a new extractant. the determination of ions is done by inductively coupled plasma optical emission spectrometry (icp-oes). the extraction time and efficiency, ph and amount of adsorbent, minimu...

this paper is mainly focusing on the determination of mean molal activity coefficient of hcl in aqueous acidic medium. the present investigations have been carried out to determine the activity coefficients of hydrochloric acid in 2-propanol water mixture solutions under various conditions to study the ion solvent interactions in different temperatures. the standard molar potential em0 of the c...

in this article, simple, convenient synthesis of 2-aryl-1-arylmethyl-1h-1,3-benzimidazole (1,2-disubstitutedbenzimidazoles) via condensation of 1,2-phenylenediamine and aromatic aldehydes using sba-pr-so3h as a nanoporous solid acid catalyst in green protocol was reported.

imidazo[2,1-b]thiazoles are obtaind in excellent yields from the addition reaction between thiohydantoin and ethylbromopyruvate.  these imidazo[2,1-b]thiazoles in the presence of p-tsa in boiling toluene refluxed for 2.5 hours led to imidazo[2,1-b]thiazole-3-carboxylates in elimination reactions

organochlorine pesticides are as environmental pollutants which have a high half-life and transmit from food chain to human and cause side effects such as mutations in different genes and finally cancer. in this research, after sampling and quantitative and qualitative of organochlorine residue, biodegradation of alpha, beta and gamma hexachlorobenzene (linden), ddt, aldrin, dieldrin, endosulfa...

background: to perform screening for colonic cancer and to diagnose other colic diseases, colonoscopies are required. comfort of patient during colonoscopy is very important. currently, there are two types of sedation used during colonoscopy-the general anesthesia and sedoanalgesia. sedo-analgesia is the most frequently used type of sedation employed during colonoscopy worldwide. materials and ...

this study presents an empirical relationship of suspended sediment concentrations (sscs) inthe coastal waters, which is derived from the conventional methods, to radiometer remote sensing reflectance values (rrs) and satellite data in coastal waters of kerala. an algorithm is then developed to utilize both in situ sscs measured from conventional methods and rrs values. this algorithm is valida...