نتایج جستجو برای: free system

تعداد نتایج: 2655555  

Journal: :Clinical science 2012
Alex F Chen Dan-Dan Chen Andreas Daiber Frank M Faraci Huige Li Christopher M Rembold Ismail Laher

Most cardiovascular diseases (CVDs), as well as age-related cardiovascular alterations, are accompanied by increases in oxidative stress, usually due to increased generation and/or decreased metabolism of ROS (reactive oxygen species; for example superoxide radicals) and RNS (reactive nitrogen species; for example peroxynitrite). The superoxide anion is generated by several enzymatic reactions,...

2015
Zareen Syed Lushan Han Muhammad Rahman Timothy W. Finin James Kukla Jeehye Yun

Users need better ways to explore large complex linked data resources. Using SPARQL requires not only mastering its syntax and semantics but also understanding the RDF data model, the ontology and URIs for entities of interest. Natural language question answering systems solve the problem, but these are still subjects of research. The Schema agnostic SPARQL queries task defined in SAQ-2015 chal...

2011
Lily Pal SK Shankar Sanjay Gandhi

Formalin fixation in surgical pathology is a major limiting factor to medical research and development of molecular techniques for target based medicine. Search for alternate solution of formalin fixation in the histopathology laboratory to preserve the macromolecules has led to development of various substitutes with substantial technical advantages. Though DNA and RNA could be extracted from ...

2006
Lorraine Grothier Julie Carter

Compression bandaging has formed the cornerstone of leg ulcer treatment for venous and mixed aetiology ulcers for several years. Graduated compression bandaging is a successful non-curative treatment for venous leg ulceration (Cullum et al, 2001). The benefits for the patient include reduction of pain, reduction of oedema and subsequent improvement in quality of life. The Profore multi-layer co...

Journal: :Applied optics 2000
X Zheng P J Marchand D Huang S C Esener

A parallel data-communication scheme is described for interchip communication with free-space optics. We present a proof-of-concept and feasibility demonstration of a practical modular packaging approach in which free-space optical interconnect modules can be simply integrated on top of an electronic multichip module (MCM). Our packaging architecture is based on a modified folded 4-f imaging sy...

2016
Fangmin Li Xiaolin Ma Yong Zhang José Antonio Iglesias Martínez

Mohammed Abdulaziz Aide Al-qaness 1,2, Fangmin Li 1,2,3,*, Xiaolin Ma 1,2, Yong Zhang 1,2 and Guo Liu 1,2 1 Key Laboratory of Fiber Optical Sensing Technology and Information Processing, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China; [email protected] (M.A.A.A.); [email protected] (X.M.); [email protected] (Y.Z.); [email protected] (G.L.) 2 School ...

Journal: :Stroke 1990
J W Schmidley

Free radicals have been implicated in a wide variety of diseases and in the toxic and therapeutic effects of antineoplastic drugs and radiation, the deleterious consequences of environmental pollutants, and "degenerative" processes such as aging and Parkinson's disease.Their involvement in myocardial and intestinal as well as central nervous system (CNS) ischemia is under intensive study. A fre...

Journal: :iranian journal of catalysis 2013
marziyeh bagheri mostafa karimkoshteh

nano silica-h2so4 is an efficient and mild catalysis system for the regeneration of aldehyde from aldoximes. ketoximes are converted to amides by beckmann rearrangement in the presence of nano silica-h2so4. the reactions are carried out in solvent-free conditions under microwave irradiation (600 w) within 50-120 sec in good yields.

The analytical theory of one dimensional, dispersion free miscible displacement of oil by injection gas with nc component has shown that: the MMP is the lowest pressure at which any one of the initial oil, injection gas or crossover key tie lines becomes critical, which means that its length approaches to zero. In this paper, we propose a method for a solving multi component syst...

بیرامی, منصور, راهزانی, کبری, شریعت زاده, محمدعلی, عیسی آبادی بزچلویی, ابوالفضل, ملکی راد, علی اکبر,

Introduction: Free radicals are molecules or atoms with single electron that results in reactions thus causing severe damages to the body’s macromolecules. By preventing the formation of free radicals, repairing damages caused by radical’s activities, increasing the excretion of the damaged molecules and minimizing the cellular mutation, the antioxidant defense system contrasts the damages caus...

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