نتایج جستجو برای: cmk 3
تعداد نتایج: 1811475 فیلتر نتایج به سال:
در این پژوهش نانو جاذب مزوپور کربنی (cmk-3) و نیز نانو کامپوزیت مزوپور کربنی دوپه شده با نقره (ag/cmk-3) با روش قالب گیری سخت از پیشماده سیلیکاتی sba-15 تهیه شده و با استفاده از دستگاه جذب-واجذب نیتروژن و هم چنین تصویرهای میکروسکوپ الکترونی عبوری (tem) و تجزیه عنصری (edx) بررسی و شناسایی شد. ترکیب های سنتز شده به عنوان جاذب برای جذب سطحی رنگ آلاینده اورانژ g و حذف آن از محلول های آبی مورداستفاد...
Background and purpose: 2, 4 dinitrophenol is the most important nitrophenol compound that is widely used in paints, adhesives, wood preservatives, solvents, pesticides, and explosive materials. Because of the high toxicity and non-biodegradability of 2, 4 DNP, must be prevented from entering the water body. The aim of this study was to evaluate the performance of ordered mesoporous carbon CMK-...
در این پژوهش نانو جاذب مزوپور کربنی (CMK-3) و نیز نانو کامپوزیت مزوپور کربنی دوپه شده با نقره (Ag/CMK-3) با روش قالبگیری سخت از پیشماده سیلیکاتی SBA-15 تهیه شده و با استفاده از دستگاه جذب-واجذب نیتروژن و همچنین تصویرهای میکروسکوپ الکترونی عبوری (TEM) و تجزیه عنصری (EDX) بررسی و شناسایی شد. ترکیبهای سنتز شده بهعنوان جاذب برای جذب سطحی رنگ آلاینده اورانژ G و حذف آن از محلولهای آبی مورداستفاد...
Ordered Mesoporous Carbon (OMC) represents an interesting material for electric double layer capacitors which has the high surface area, easily accessed ordered pore channels and lower production cost. In this work, CMK-3 as promising OMC has been fabricated using the ordered mesoporous silica SBA-15 as a template. The structure and morphology of CMK-3 are characterized by X-ray diffraction...
Ordered mesoporous carbons with various structures, designated as CMK-1~5, have been synthesized by carbonization of sucrose, furfuryl alcohol or other suitable carbon sources inside silica or aluminosilicate mesopores that are interconnected into three-dimensional networks such as in MCM-48 (cubic Ia3d), SBA-1 (cubic Pm3n) and SBA-15 (hexagonal p6mm). The mesoporous carbon molecular sieves, ob...
Interleukin-3 (IL-3) is a potent stimulator of megakaryocyte proliferation, and autocrine production of IL-3 by megakaryocytic leukemia cell lines and bone marrow-derived megakaryocytes has recently been demonstrated. To characterize the transcriptional regulation of IL-3 in megakaryocytes, we transiently transfected IL-3 promoter CAT constructs that contain variable amounts of 5' flanking sequ...
Mesoporous carbons were synthesized via both soft and hard template methods and compared to a commercial powder activated carbon (PAC) for the adsorption ability of bisphenol-A (BPA) from an aqueous solution. The commercial PAC had a BET-surface of 1027 m²/g with fine pores of 3 nm and less. The hard templated carbon (CMK-3) material had an even higher BET-surface of 1420 m²/g with an average p...
Human neutrophils are a likely source of elastase in the pathogenesis of human pulmonary emphysema. A study was undertaken to determine whether emphysema, induced in hamsters by intratracheal treatment with human neutrophil elastase (HNE), could be ameliorated by intratracheal instillation of succinyl-alanyl-alanyl-prolyl-valine-chloromethyl ketone (CMK). One mg of CMK was given to hamsters 1 h...
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