نتایج جستجو برای: half of sulfur

تعداد نتایج: 21173116  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1389

methodology non-native participants in this study were sixty ba students majoring in english literature and teaching english as a foreign language at khayyam university of mashhad. they were senior students, between 21 to 24 years old, who had studied english for at least three and a half years and had passed several courses including grammar, reading, conversation, and writing. this was assum...

The removal of sulfur compounds from petroleum is extremely necessary for industrial and environmental reasons. Sulfur in transportation fuels is a major air pollution source. In this work, the efficiency of nanostructured Ni-clinoptilolite adsorbent was investigated in the removal of sulfur from gas oil. For this purpose, the design of experiments was performed by selecting effective factors i...

Fereidoon Moghadas Nejad Mohammad Reza Allahgholi Ghasri Sholeh Kazemifard Sima Habibi

The fuel resistance property plays an important role in asphalts, but available standards for determining this characteristic are presently lacking. In the present work, a number of polymer modified bitumen with styrene-butadiene-styrene (SBS) polymer (4, 5, 6% SBS) and SBS/ sulfur modified bitumen with various percentages of sulfur (1.65, 3, 3.5% based on polymer content) were prepared. Each s...

Most studies on sulfur bioleaching from coal depend on an autotrophic microorganism with a low growth and a long leaching time. For this reason, heterotrophic heat and acidic pH-resistant Alicyclobacillus was used as the growing and resting cells for the sulfur and iron removal from coal. The results obtained were analyzed by XRF. The data showed that 26.71% of sulfur was removed by Alicyclobac...

A A. RABBANI, M KHODABANDEH,

In this study the effect of the alkylating agent, sulfur mustard, on calf thymus chromatin was investigated using UV/Vis spectroscopy, gel electrophoresis and thermal denaturation techniques. The results show that treatment of isolated chromatin with sulfur mustard releases histones from the core particles but does not affect histone H I and nonhistone chromosomal proteins. The content of ...

Journal: :journal of petroleum science and technology 2014
asghar molaee dehkordi d. arabian h. najafi f. farhadi

in the present paper, the biodesulfurization of simulated light fuel oil (i.e., dibenzothiophene (dbt) in dodecane) and untreated kerosene with a high total sulfur content has been studied by a native isolated bacterium named bacillus cereus hn. the influences of various parameters such as the reaction temperature (t), biocatalyst cell density, oil phase fraction (ofp), and initial dbt concentr...

Journal: :Journal of applied toxicology : JAT 2006
Shannon D McClintock Laszlo M Hoesel Salil K Das Gerd O Till Thomas Neff Robin G Kunkel Milton G Smith Peter A Ward

Airway instillation into rats of 2-chloroethyl ethyl sulfide (CEES), the half molecule of sulfur mustard compound, results in acute lung injury, as measured by the leak of plasma albumin into the lung. Morphologically, early changes in the lung include alveolar hemorrhage and fibrin deposition and the influx of neutrophils. Following lung contact with CEES, progressive accumulation of collagen ...

Journal: :Small structures 2023

Sulfur-deficient SnS thin films for sodium-ion battery anode application are prepared using aerosol-assisted chemical vapor deposition. Growth directly onto the metal foil current collector forms sulfur-deficient microrod structures via a vapor–liquid–solid growth mechanism, with 92 nm average crystallite size and an 800 film thickness. The sulfur deficiency is demonstrated energy-dispersive X-...

Journal: :iranian journal of toxicology 0
محمدرضا کرامتی mohammad reza keramati phd of hematopathology, cancer molecular pathology research center, mashhad university of medical sciences, mashhad, iran. محمدهادی صادقیان mohammad hadi sadeghian phd of hematopathology, cancer molecular pathology research center, mashhad university of medical sciences, mashhad, iran. حسین آیت اللهی hossein ayatollahi ghaem hospital, mashhad university of medical scincesphd of hematopathology, cancer molecular pathology research center, mashhad university of medical sciences, mashhad, iran. محمدحسین بشارتی mohammad hosein basharati md, mashhad university of medical sciences, mashhad, iran. مهشید جلیلی mahshid jalili bsc of laboratory sciences, mashhad university of medical sciences, mashhad, iran. مهدی بلالی مود mahdi balali mood department of toxicology, mashhad university of medical sciences, mashhad, iran.

background: sulfur mustard was the most widely applied chemical warfare agent by the iraqi army in iran–iraq war (1983-1988). considering the role of sulfur mustard toxicity in hematopoietic neoplasms and also new role of jak2 mutation in these neoplasms, we assessed this mutation and delayed hematologic complications in veterans exposed to sulfur mustard. methods: this case control study was p...

The method of X-Ray Photo-electron Spectroscopy is used to determine the chemical state of the sulfur species present in fly-ash samples produced by burning a number of pulverized coal samples under reducing conditions in a continuous combustion furnace. The influence of submicron metallic constituents present in the flue-gases of the pyrometallurical systems on the state of the sulfur species ...

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