نتایج جستجو برای: fe cmk 3
تعداد نتایج: 1873099 فیلتر نتایج به سال:
سابقه و هدف: 2و4 دی نیتروفنل به طور گسترده برای تولید رنگ، چسب و مواد نگهدارنده چوب، حلال ها، مواد قابل انفجارو آفت کش ها استفاده می شود. به دلیل سمیت زیاد و عدم تجزیه پذیری زیستی آن باید نسبت به حذف آن و عدم ورود به منابع آبی اقدام کرد. هدف این تحقیق استفاده از نانوحفره کربنی cmk-3 به عنوان جاذب در حذف 2و 4 دی نیتروفنل از محلول های آبی است. مواد و روش ها: این پژوهش یک مطالعه تجربی است. ابتدا ن...
Highly dispersed iron oxide supported catalysts, prepared using HNO3-treated CMK-3 mesoporous carbons as supports, exhibit relatively high catalytic activity in selective oxidation of benzyl alcohol with oxygen.
The kit ligand (KL), also termed stem cell factor (SCF), is a recently discovered hematopoietic growth factor that augments response of early progenitor cells to other growth factors and supports proliferation of continuous mast cell lines. Histological studies suggest that the receptor for SCF/KL, the c-kit proto-oncogene product, is present in bone marrow megakaryocytes. We studied the effect...
Catalytic transformation of 5-hydroxymethylfurfural (HMF) to produce 2,5-dimethylfuran (2,5-DMF) was studied over bimetallic (PtIr) and monometallic (Pt) catalysts supported on CMK-3 SBA-15 mesoporous materials. The optimum temperature hydrogen pressure for the maximum production 2,5-DMF were 120 °C 15 atm, respectively. Increases in decreased selectivity 2,5-DMF. broadly characterized by diffe...
Highly ordered mesoporous silica can be regenerated from a mesoporous carbon CMK-3 that is a negative replica of mesoporous silica SBA-15, indicating reversible replication between carbon and inorganic materials.
Two twin series of carbon replicas were synthesized by the acid-catalyzed precipitation polycondensation various amounts furfuryl alcohol in SBA-15 suspensions using water and toluene as reaction media. The textural structural parameters, well morphology polymer/silica carbonizates corresponding replicas, investigated comprehensively. It was found that polarity medium plays an essential role sc...
Aqueous zinc-ion batteries (AZIBs) have become a current research hotspot owing to their high security and cost-effectiveness. However, the dissolution of electrode materials, low intrinsic conductivity, slow reaction kinetics seriously hinder practical application. Herein, sulfur-containing organic small molecule (seriniquinone, SQ), which plays significant role in melanoma treatment, was synt...
The human immunodeficiency virus (HIV) is capable of infecting certain cells of hematopoietic lineage, particularly monocyte-macrophages and T lymphocytes. Recently, the possibility that cells of megakaryocytic lineage are susceptible to HIV infection has been raised. We have characterized infection of the permanent megakaryocytic cell line CMK by HIV in vitro. CMK cells were easily infected by...
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