نتایج جستجو برای: shape mesoporous (ncsm)

تعداد نتایج: 200293  

Journal: :iranian journal of catalysis 0
hamid aliyan department of chemistry, shahreza branch, islamic azad university, 86145-311, iran.

fe3o4-containing cotton-like mesoporous silica system (fe3o4@ncsm) was studied with regard to its performance towards the photodecolorization of bromothymol blue (btb) aqueous solution. the surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like ftir, xrd, bet, sem and tem. the n2 adsorption–desorption analysis shows that the mesostructure...

Fe3O4-containing cotton-like mesoporous silica system (Fe3O4@NCSM) was studied with regard to its performance towards the photodecolorization of bromothymol blue (BTB) aqueous solution. The surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like FTIR, XRD, BET, SEM and TEM. The N2 Adso...

Fe3O4-containing cotton-like mesoporous silica system (Fe3O4@NCSM) was studied with regard to its performance towards the photodecolorization of bromothymol blue (BTB) aqueous solution. The surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like FTIR, XRD, BET, SEM and TEM. The N2 Adso...

2011
Turki M Almubrad Uchechukwu L Osuagwu Ibrahim AlAbbadi Kelechi C Ogbuehi

AIM To compare the precision of the Topcon SP-3000P noncontact specular microscope (NCSM) and the DGH 500 ultrasound pachymeter (USP). METHODS Triplicate measurements of central corneal thickness (CCT) for 100 eyes were taken with an NCSM and a USP in 2 visits separated by 1 week. Repeatability was assessed by computing the differences between all 3 readings from each subject. Coefficients of...

Journal: :Physical Review C 2022

A novel machine learning approach is used to provide further insight into atomic nuclei and detect orderly patterns amidst a vast data of large-scale calculations. The method utilizes neural network that trained on ab initio results from the symmetry-adapted no-core shell model (SA-NCSM) for light nuclei. We show SA-NCSM, which expands applications up medium-mass by using dominant symmetries nu...

2009
Petr Navrátil Bruce R. Barrett

We present an overview of recent results and developments of the no-core shell model (NCSM), an ab initio approach to the nuclear many-body problem for light nuclei. In this approach, we start from realistic two-nucleon or twoplus threenucleon interactions. Many-body calculations are performed using a finite harmonicoscillator (HO) basis. To facilitate convergence for realistic inter-nucleon in...

Journal: :Arquivos brasileiros de oftalmologia 2016
Sadık Görkem Çevik Rahmi Duman Mediha Tok Çevik Sertaç Argun Kıvanç Berna Akova-Budak Irfan Perente Resat Duman

Purpose: To compare central corneal thickness (CCT) measurements of healthy individuals obtained with ultrasonic pachymetry (UP) and non-contact specular microscopy (NCSM). Method: In total, 148 eyes of 74 subjects with no ocular or systemic diseases were included in the study. Central corneal thickness measurements of all patients performed with UP and NCCM were compared. Results: A total ...

2010
C. Forssen P. Navratil S. Quaglioni Christian Forssén Petr Navrátil Sofia Quaglioni

The ab initio no-core shell model (NCSM) is a well-established theoretical framework aimed at an exact description of nuclear structure starting from high-precision interactions between the nucleons. In the NCSM we consider a system of A point-like, non-relativistic nucleons that interact by realistic inter-nucleon interactions. We consider two-nucleon interactions that reproduce nucleon-nucleo...

2010
Yuanhang Ren Bin Yue Min Gu Heyong He

Mesoporous silica molecular sieves are a kind of unique catalyst support due to their large pore size and high surface area. Several methods have been developed to immobilize heteropolyacids (HPAs) inside the channels of these mesoporous silicas. The mesoporous silica-supported HPA materials have been widely used as recyclable catalysts in heterogeneous systems. They have shown high catalytic a...

2009
Gwen Zimmermann Adlai E. Stevenson

The NCSM Journal of Mathematics Education Leadership is published at least twice yearly, in the spring and fall. Permission to photocopy material from the NCSM Journal of Mathematics Education Leadership is granted for instructional use when the material is to be distributed free of charge (or at cost only), provided that it is duplicated with the full credit given to the authors of the materia...

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