نتایج جستجو برای: ژل نانوکامپوزیت mmt روشهای الکتروشیمیایی
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به تازگی پژوهش های بسیاری در زمینه پوشش های ضدخوردگی نانوکامپوزیتی حاوی پرکننده های معدنی انجام شده است. از جمله مهم ترین عوامل بررسی شده می توان به نوع روش پلیمرشدن، نوع ماتریس و پرکننده به کار رفته در نانوکامپوزیت اشاره کرد. از این میان، نانوکامپوزیت های پلیمر–خاک رس بهبود خوبی در بسیاری از خواص فیزیکی و مکانیکی پلیمرهایی ایجاد می کنند که در آنها از مقدار کمی پرکننده استفاده می شود...
Methylcyclopentadienyl manganese tricarbonyl (MMT), an organic manganese-containing gasoline additive, was investigated to determine whether MMT potentially causes dopaminergic neurotoxic effects. MMT is acutely cytotoxic and dopamine-producing cells (PC-12) seemed to be more susceptible to cytotoxic effects than nondopaminergic cells (striatal gamma-aminobutyric acidergic and cerebellar granul...
BACKGROUND Pre-exposure prophylaxis with oral antiretroviral treatment (oral PrEP) for HIV-uninfected injection drug users (IDUs) is potentially useful in controlling HIV epidemics with a significant injection drug use component. We estimated the effectiveness and cost effectiveness of strategies for using oral PrEP in various combinations with methadone maintenance treatment (MMT) and antiretr...
INTRODUCTION A body of basic science and clinical research has been generated on the manual muscle test (MMT) since its first peer-reviewed publication in 1915. The aim of this report is to provide an historical overview, literature review, description, synthesis and critique of the reliability and validity of MMT in the evaluation of the musculoskeletal and nervous systems. METHODS Online re...
PMMA/Na-MMT nanocomposites were synthesized through a soap-free emulsion polymerization of methyl methacrylate (MMA) using 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS). A conventional anionic surfactant, dodecylbenzenesulfonic acid sodium salt (DBS-Na), was also used to compare with AMPS in the interaction with pristine Na-MMT. Both surfactants were intercalated into the layers of the pr...
OBJECTIVE Willingness to pay for methadone maintenance treatment (MMT) in three Vietnamese epicentres of injection-drug-driven human immunodeficiency virus (HIV) infection was assessed. METHODS A convenience sample of 1016 patients receiving HIV treatment in seven clinics was enrolled during 2012. Contingent valuation was used to assess willingness to pay. Interviewers reviewed adverse conseq...
It is well established that organophosphate pesticides, such as diazinon, pose environmental and health risks. Diazinon is prone to rapid acidic hydrolysis, forming the less toxic compound 2-isopropyl-6-methyl-4-pyrimidinol (IMP). In this study, diazinon surface catalyzed hydrolysis was achieved by its adsorption to a composite, based on protonated poly (4-vinyl-pyridine-co-styrene) (HPVPcoS) a...
رنگهای راکتیو به طور گستردهای در صنایع نساجی مورد استفاده قرار میگیرند. حذف این رنگها به دلیل حلالیت بالا در آب توسط روشهای متداول تصفیه پسابها بسیار مشکل و اغلب مواقع غیرممکن است. از این رو توجه زیادی بروی تکنیکهای نوین که منجر به تخریب کامل این آلایندهها میشوند، متمرکز شده است. یکی از این روشها اکسیداسیون پیشرفته بر اساس فرایند فتوکاتالیستی است که سبب تخریب کامل این آلایندهها میشو...
Background and Objectives: Preparation and evaluation of nanocomposite films have become prevalent in recent years. Depending on the purpose of using the film, and considering the effects and interaction effects of nanomaterial and other modifiers on the film properties, the amounts of nanomaterials and modifiers should be optimized. The effects of montmorillonite (MMT), glycerol (GL), and thei...
CONTEXT Although the effectiveness of methadone maintenance treatment (MMT) is well-established in many countries, it is a relatively new therapy for heroin users in China. Jiangsu Province, a relatively wealthy province, set up 4 MMT clinics in February 2006. No previous studies have evaluated the impact of MMT in a wealthy Chinese province. OBJECTIVE The aim of this study is to evaluate the...
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