نتایج جستجو برای: سرامیک بدون سرب bzt 50bct
تعداد نتایج: 66940 فیلتر نتایج به سال:
The N-substituted 3alpha-[bis(4'-fluorophenyl)methoxy]tropanes (AHN 2-003, AHN 1-055, AHN 2-005, and JHW 007) bind with high affinity to the dopamine transporter and inhibit dopamine uptake more potently than cocaine, but they demonstrate behavioral profiles in animal models of psychostimulant abuse that are unlike that of cocaine. The objective of this study was to characterize the in vitro pe...
The BaZrxTi1-xO3: Eu 3+ phosphors have been synthesized the conventional solid state reaction method. Mechanoluminescence (ML) and thermoluminescence (TL) in barium zirconium titanate (BZT) system with Europium as dopant is reported for the first time. The BZT system belongs to perovskite family. The samples are prepared in a high temperature furnace at a temperature of 1200 o C. The powder X r...
Atypical dopamine-uptake inhibitors have low abuse potential and may serve as leads for development of cocaine-abuse treatments. Among them, the benztropine (BZT) derivatives, N-butyl (JHW007), N-allyl (AHN2-005), and N-methyl (AHN1-055) analogs of 3α-[bis(4'-fluorophenyl)methoxy]-tropane dose-dependently decreased cocaine self-administration without effects on food-maintained responding. Our s...
Volume 2 • Issue 2 • 1000e109 J Alcoholism Drug Depend ISSN: 2329-6488 JALDD, an open access journal I found that several N-substituted benztropine (BZT) analogs (JHW 007 and AHN 2-005) can dose-dependently decrease self-administration (SA) of stimulants cocaine (Coc) or dmethamphetamine (MA) despite their high affinity and high selectivity for the dopamine transporter (DAT) [1,2]. In addition,...
So far, the antibacterial activity of some organic and inorganic compounds has been studied. Barium zirconate titanate [Ba(ZrxTi₁-x)O₃] (x = 0.05) nanoparticle is an example of inorganic materials. In vitro studies have provided evidence for the antibacterial activity of this nanoparticle. In the current study, the nano-powder was synthesized by sol-gel method. X-ray diffraction showed that the...
در این تحقیق به منظور ارزیابی کیفیت شیمیایی و تاثیر احتمالی پساب بر آب زیرزمینی نمونه برداری از پساب خروجی 5 کارخانه کاشی و سرامیک و 5 چاه بهره برداری نزدیک به محل خروجی پساب این صنایع صورت گرفت. غلظت عناصر کروم، کادمیوم، آهن، سرب و روی اندازه گیری شد و تجزیه و تحلیلهای آماری به روش آنالیز واریانس داده ها، آزمون (t-test)، همبستگی و تحلیل عاملی انجام شد. غلظت عناصر سنگین در پسابَ کارخانه ها در م...
در این پژوهش، فرآیند سنتز پودر و زینتر سرامیک نایوبات پتاسیم- سدیم [ (k,na)nbo3 ] knn به عنوان مهم ترین خانواده از ترکیبات کاندید جهت جای گزینی pzt مورد بررسی قرار گرفت. نتایج حاصل از بررسی های اسپکتروسکوپی xrd ،dta/tga و ftir از پودرهای سنتز شده نشان می دهد با کلسیناسیون ثانویه ی پودرها در دمای °c1050 امکان دستیابی به پودر تک فاز، همگن و پایدار knn فراهم می گردد. به منظور بهبود فرآیند کلسیناسی...
Road runoff (RR) is an important vector of micropollutants towards groundwater and soils, threatening the environment ecosystems. Through combined chemical biological approaches, purpose this study was to get insights on specific toxicants present in RR from two sites differing by their traffic intensity toxicological risk assessment. Non-target screening performed HRMS dissolved phase. Ecotoxi...
Recently it was found that in the lead-free (1-x)BaZr0.2Ti0.8O3-xBa0.7Ca0.3TiO3 (BZT-xBCT) system, the highest piezoelectric d33 coefficient appears at the tetragonal (T) - orthorhombic (O) phase boundary rather than the O - rhombohedral (R) phase boundary, but the physical origin of it is still unclear. In this work we construct the phase diagram of the BZT-xBCT system using a generic sixth-or...
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