نتایج جستجو برای: زئولیت mfi

تعداد نتایج: 2895  

2009
Jin-Mann S Lin Dana J Brimmer Elizabeth M Maloney Ernestina Nyarko Rhonda BeLue William C Reeves

BACKGROUND The Multidimensional Fatigue Inventory (MFI-20) was developed in 1995. Since then, it has been widely used in cancer research and cancer-related illnesses but has never been validated in fatiguing illnesses or in a large US population-selected sample. In this study, we sought to examine the reliability and validity of the MFI-20 in the population of the state of Georgia, USA. Further...

2017
Gerke Veenstra Andrius Pranskunas Inga Skarupskiene Vidas Pilvinis Marc H Hemmelder Can Ince E Christiaan Boerma

BACKGROUND Hemodialysis (HD) with ultrafiltration (UF) in chronic renal replacement therapy is associated with hemodynamic instability, morbidity and mortality. Sublingual Sidestream Dark Field (SDF) imaging during HD revealed reductions in microcirculatory blood flow (MFI). This study aims to determine underlying mechanisms. METHODS The study was performed in the Medical Centre Leeuwarden an...

2011
Hyung Won Lee Jong-Ki Jeon Sung Hoon Park Kwang-Eun Jeong Ho-Jeong Chae Young-Kwon Park

The catalytic pyrolysis of Laminaria japonica was carried out over a hierarchical meso-MFI zeolite (Meso-MFI) and nanoporous Al-MCM-48 using pyrolysis gas chromatography/mass spectrometry (Py-GC/MS). The effect of the catalyst type on the product distribution and chemical composition of the bio-oil was examined using Py-GC/MS. The Meso-MFI exhibited a higher activity in deoxygenation and aromat...

Journal: :Angewandte Chemie 2016
Han Zhang Qiang Xiao Xianghai Guo Najun Li Prashant Kumar Neel Rangnekar Mi Young Jeon Shaeel Al-Thabaiti Katabathini Narasimharao Sulaiman Nasir Basahel Berna Topuz Frank J Onorato Christopher W Macosko K Andre Mkhoyan Michael Tsapatsis

Two-dimensional zeolite nanosheets that do not contain any organic structure-directing agents were prepared from a multilamellar MFI (ML-MFI) zeolite. ML-MFI was first exfoliated by melt compounding and then detemplated by treatment with a mixture of H2 SO4 and H2 O2 (piranha solution). The obtained OSDA-free MFI nanosheets disperse well in water and can be used for coating applications. Deposi...

Journal: :The Journal of arthroplasty 2017
Jaime L Bellamy Robert P Runner CatPhuong Cathy L Vu Mara L Schenker Thomas L Bradbury James R Roberson

BACKGROUND Frailty is described as decreased physiological reserve and typically increasing with age. Hospitals are being penalized for reoperations and readmissions, which can affect reimbursement. The purpose of this study was to determine if the modified frailty index (MFI) could be used as a risk assessment tool for preoperative counseling and to make an objective decision on whether to per...

Journal: :Chemical communications 2012
Yi Liu Yanshuo Li Rui Cai Weishen Yang

Twin growth in the synthesis of b-oriented MFI films is successfully suppressed by applying microwave irradiation on a b-oriented MFI seed layer, relying on the nucleation-related bottleneck effect. Electrochemical oxidation experiments demonstrated the importance of twin suppression in enhancing the diffusion of guest molecules in MFI films.

2009
Junqiang Liu Tae-Hyun Bae Wulin Qiu Shabbir Husain Sankar Nair Christopher W. Jones Ronald R. Chance William J. Koros

For the first time, we report the C4s’ transport properties: solubility, diffusivity, permeability in 6FDA–DAM polymer, one of most permeable glassy polymers with significant nC4 vs. iC4 selectivity. An nC4 permeability of 3.7 Barrer, and nC4/iC4 ideal selectivity of 21 was found in pure 6FDA–DAM polymer membrane. Mixed matrix films were successfully fabricated using a 6FDA–DAM as the matrix, w...

2003
Ibnelwaleed A. Hussein Michael C. Williams

A melt flow indexer (MFI) was used to investigate high-temperature transitions in melts of high-density polyethylene (HDPE). The MFI data were obtained in the range 190–230°C. These transitions were found in the MFI at about 210 and 225°C and reproduced in a Haake melt blender. Polystyrene was used in the blender experiment to demonstrate typical amorphous behavior. For HDPE melts, the MFI–temp...

2017
Ajay Kumar Baranwal Deepali Krishan Bhat Sanjeev Goswami Sanjay Kumar Agarwal Gurvinder Kaur Jasmeet Kaur Narinder Mehra

BACKGROUND & OBJECTIVES Antibodies specific to donor human leucocyte antigen (HLA) play a critical role in graft rejection and graft loss. In recent years, techniques for their detection have evolved significantly providing an ever-increasing degree of sensitivity and specificity, from the conventional cell-based assays to the advanced solid-phase system based on the Luminex platform. Consensus...

2010

not small savers—defined here as the half of all savings clients of a microfinance institution (MFI) with the smallest deposit account balances— contribute to or undermine the sustainability of the MFI. MFI sustainability has long been accorded a place of central importance in microfinance for reasons that are well known. Perhaps because of the necessary focus of microfinance for so many years ...

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