نتایج جستجو برای: اکسایشی متان ocm

تعداد نتایج: 2936  

Journal: :Catalysis Science & Technology 2023

Oxidative coupling of methane (OCM) is an exothermic reaction that results in the temperature rise towards latter part reactor. This study reports consequence OCM product distribution after O 2 depletion at high temperatures.

2009
James G. Fujimoto Joseph A. Izatt Chao Zhou Aaron D. Aguirre Yihong Wang Bradley Bryan Tsung-Han Tsai James L. Connolly

We report an imaging study using integrated 3D-OCT and OCM for the assessment of various human thyroid and breast pathologies. The 3D-OCT data sets enable en face projection imaging, which provides large field of view with uniform focus and signal level, while OCM provides high magnification that enables cellular resolution imaging. We have demonstrated that the integrated 3D-OCT and OCM techno...

Journal: :journal of oil, gas and petrochemical technology 2014
hamid reza godini stanislav jaso son xuan nghiem oliver görke steffen stünkel

for more than three decades, oxidative coupling of methane (ocm) process has been comprehensively investigated as an attractive alternative for the commercially available ethylene production technologies such as ethane and naphtha cracking. developing a suitable catalyst and proper reactor feeding policy, reviewing and deploying the efficient methods in the separation and purification of the un...

Journal: :iranian journal of science and technology (sciences) 2012
a. malekzadeh

oxidative coupling of methane has been studied over (mn+a+w)/sio2 catalysts in a continuous–flow microreactor, where a represents an alkali ion of li, na, k or cs having different weight percents. the main aim of this study is to find the role of alkali ions in interaction between mn and w species with sio2 to make a proper structure for catalyzing oxidative coupling of methane (ocm) reaction. ...

2011
Nicole Stone Faith Pangilinan Anne M. Molloy Barry Shane John M. Scott Per Magne Ueland James L. Mills Peader N. Kirke Praveen Sethupathy Lawrence C. Brody

One-carbon metabolism (OCM) is linked to DNA synthesis and methylation, amino acid metabolism and cell proliferation. OCM dysfunction has been associated with increased risk for various diseases, including cancer and neural tube defects. MicroRNAs (miRNAs) are ∼ 22 nt RNA regulators that have been implicated in a wide array of basic cellular processes, such as differentiation and metabolism. Ac...

2005
Marian Bubak Wlodzimierz Funika Marcin Koch Dominik Dziok Allen D. Malony Marcin Smetek Roland Wismüller

In this paper we present an approach to building a monitoring environment which underlies performance visualization for distributed applications. Our focus is to make the J-OCM monitoring system and the TAU-Paravis performance visualization system to collaborate. J-OCM, based on the J-OMIS interface, provides services for on-line monitoring of distributed Java applications. The system uses J-OC...

2010
Chao Zhou Yihong Wang Aaron D. Aguirre Tsung-Han Tsai David W. Cohen James L. Connolly James G. Fujimoto

We evaluate the feasibility of optical coherence tomography (OCT) and optical coherence microscopy (OCM) for imaging of benign and malignant thyroid lesions ex vivo using intrinsic optical contrast. Thirty four thyroid gland specimens were imaged from 17 patients, covering a spectrum of pathology, ranging from normal thyroid to neoplasia and benign disease. The integrated OCT and OCM imaging sy...

2005
Nelson J. Ramírez

Folate is in the core of one-carbon metabolism (OCM), serving as raw material for this biosynthetic pathway essential in DNA synthesis, repair and diverse methylation reactions. Dietary folate is the only source for mammalian OCM requirements and variations in its levels affect intermediary molecules such as the amino acid homocysteine, which is known to have toxic effects at high concentration...

2015
Sandra Krapf Michaela Kreyenfeld

The German Mikrozensus is a data set that is frequently used to study fertility behavior. With its large sample size, the dataset also offers the opportunity to investigate childbearing among population subgroups, such as particular migrant groups. Because birth histories are not surveyed in the Mikrozensus, scholars have frequently employed the Own-Children Method (OCM) to generate fertility s...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2016
Benton Tong Aubrey J Hornak Stéphane F Maison Kevin K Ohlemiller M Charles Liberman Dwayne D Simmons

UNLABELLED Oncomodulin (Ocm), a member of the parvalbumin family of calcium binding proteins, is expressed predominantly by cochlear outer hair cells in subcellular regions associated with either mechanoelectric transduction or electromotility. Targeted deletion of Ocm caused progressive cochlear dysfunction. Although sound-evoked responses are normal at 1 month, by 4 months, mutants show only ...

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