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Chinese Chemical Letters 2011年第1期22卷 13-17页

作者： masoud mokhtary moslem m.Lakouraj Department of Chemistry Islamic Azad University-Ayatollah Amoli BranchP.O.Box 678AmolIran Department of Organic-Polymer Chemistry Mazandaran UniversityBabolsar 47416Iran

mild and efficient method for bromination of electron-rich aromatic compounds is described using polyvinylpolypyrrolidone- bromine complex （PVPP-Br2）. The reaction proceeded smoothly with phenols and N.N-alkylated a... 详细信息

关键词： Polyvinylpolypyrrolidone Phenols Bromination Reagent

microstructure and Corrosive Property of Ni-P/nano-CeO_2 Coating Electrolessly Prepared in Acidic Condition

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Journal of Wuhan University of Technology(materials Science) 2010年第5期25卷 734-737页

作者：靳惠明 A Felix m Aroyave College of mechanical Engineering Yangzhou University College of materials Engineering National University of Antioquia Medellin 23715 Colombia

Electroless Ni-P/nano-CeO2 composite coating was prepared in acidic condition, and its microstructure and corrosive property were compared with its CeO2-free counterpart. Scanning electronic microscopy （SEm）, transmission electronic microscopy （TEm） and differential scanning calorimeter （DSC） were used to examine surface morphology and microstructure of the coating. Aqueous corrosion was done in 3%NaCl＋5%H2SO4 solution and high temperature oxidation was done at 750 ℃ in air. The results showed that Ni-P coating had partial amorphous structure mixed with nano-crystals, while the Ni-P/CeO2 coating had perfect amorphous structure. At high temperature, Ni3P precipitation and Ni crystallization took place in both coatings at different temperatures. Aqueous corrosion property and high temperature oxidation property of the composite coating were remarkably improved due to the coating＇s microstructure change and the rare earth doping effect. During the co-deposition process, some Ce^n＋（n=3, 4） ions may be adsorbed to metal/solution interface and hinder nickel deposition. Ni-P/CeO2 coating＇s perfect amorphous structure results from the hindered crystal-typed deposition of nickel and the promoted deposition of phosphorous.

关键词： microstructure composite coating electroless plate ceria corrosion

特提斯的微板块:运动学及其与主板块运动的关系

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世界地质 1991年第1期10卷 92-93页

作者： Sborshchikov i.m. 陈华

特提斯海的发育过程过去曾归咎于阿尔卑斯褶皱系,在此过程中可以注意到几个微板块的位移。某些研究者认为,这些中型地块代表着冈瓦纳大陆被动边缘的断块,它们的向北运移与这一海洋北段(古特提斯)的闭合及南段(新特提斯)的张开有关。不过... 详细信息

特提斯海的发育过程过去曾归咎于阿尔卑斯褶皱系,在此过程中可以注意到几个微板块的位移。某些研究者认为,这些中型地块代表着冈瓦纳大陆被动边缘的断块,它们的向北运移与这一海洋北段(古特提斯)的闭合及南段(新特提斯)的张开有关。不过,实际情况比这一过程所展示的更复杂。比如,伊朗地块与阿富汗地块(有时认为是Kimmerian联合微陆的组成部分并非同时发育的。伊朗地块三叠纪未期合并到欧亚大陆上,而阿富汗中部地块却是在晚白垩时期由它分离出来的。中生代时期特提斯的闭合期间,这些微板块的表现明显不同。比如,随着非洲板块相对于欧亚板块的位移相应出现了Apoulia地块的旋转,menderea地块与kirshekhir地块的运动是由主板块运动产生的,而Lesser Caucasus地块、Armenian地块及Lut地块却没有这种反应。

关键词：板块运动学主板块运动关系

Perforated duodenal ulcer:An unusual manifestation of allergic eosinophilic gastroenteritis

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World Journal of Gastroenterology 2015年第44期21卷 12709-12712页

作者： Kevin m Riggle Ghassan Wahbeh Elizabeth m Williams Kimberly J Riehle Department of General Surgery University of Washington Seattle Division of Gastroenterology Seattle Children’s Hospital Seattle Division of Pathology Seattle Children’s Hospital Seattle Division of Pediatric General and Thoracic Surgery Seattle Children’s Hospital

Spontaneous perforation of a duodenal ulcer secondary to allergic eosinophilic gastroenteritis(EGE) has not been previously reported. We present such a case in a teenager who presented with peritonitis. After exploration and operative repair of his ulcer, he continued to experience intermittent abdominal pain, and further evaluation revealed eosinophilic gastroenteritis in the setting of multiple food allergies. His EGE resolved after adhering to a restrictive diet. Both duodenal ulcers and EGE are very rarely seen in pediatric patients. EGE has a variable presentation depending on the layer(s) of bowel wall affected and the segment of the gastrointestinal tract that is involved. Once diagnosed, it may respond to dietary changes in patients with recognized food allergies, or to steroids in patients in whom an underlying cause is not identified. Our case highlights the need to keep EGE in the differential diagnosis when treating pediatric patients with duodenal ulcers. The epidemiology, pathophysiology, and treatment of EGE are also discussed, along with a review of the current literature.

关键词： Pediatric Duodenal ulcer Eosinophilic Gastroenteri

Turning, microbial inoculation and Use of Eisenia foetida in Household Organic Waste Composting

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Journal of Agricultural Science and Technology(A) 2011年第5期1卷 734-738页

作者： i. lrigoyen F. Pacheco m. Sesma i. Domeno F. Storino J. muro B. Yaben S. Blazquez A. Amorena Department of Produccion Agraria Universidad Publica de Navarra Pamplona 31006 Spain Servicios de la Comarca de Pamplona SCPSA c/General Chinchilla n7 Pamplona 31002 Spain

On site composting of organic household wastes is an economical and environmentally tiiendly way to manage municipal wastes. in this manuscript authors evaluated the importance of turning the wastes and of inoculating microorganisms and worms in order to unprove the composting process at domestic scale. Four treatments （Control without turning- C-, Control with Turning- CT- inoculated mountain microorganism with turning- mm- and Worms without turning- W-） were tested in a random experiment with tour replicates. Sixteen composting bins were fed with 300 kg of organic wastes from a local street market. The process of compostnig lasted 13 weeks after which all the composts were sifted and submitted to a range of chemical, physical and biological analysis. According to the results mm slightly increased the initial temperature and enzymatic activiry. This investigation outcome don＇t provide of sufficient grounds for a precise recommendation about worms inoculation in compost bins. A decrease between 75% and 80% in the fresh weight of the organic waste was found in the first thirteen weeks after starting the composting process in all the treatments. The quality level of the compost was acceptable, with very low heavy metal content. Turn over helps to keep the product hygienic especially after the inoculation with mm microbial starts. in conclusion and according to the results of this investigation, the use of 320 L compost bins for the organic waste management is strongly advisable.

关键词： Home composting microbial inoculation vermicompost worms compost.

Preparation of Amorphous Film on Ni-S Alloy by Electroplating method

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Chinese Chemical Letters 1998年第11期9卷 0-0,0-0页

作者： Du, m Gao, RJ Wei, XJ Ocean Univ Qingdao Coll Chem & Chem Engn Qingdao 266003 Peoples R China NE Univ Technol Dept Nonferrrous Met Shenyang 110006 Peoples R China

Beginning from the formation of amorphous alloy film and its use of proAnse, this paper obtains the Ni-S amorphous alloy film by electroplating method using a bath containing Na2S2O3, and considers the deposition conditions in detail. The composition of Ni-S alloy film changes with the cathodic current density, Na2S2O3 content in the bath solution and bath pH, but the structure of the film.is detendned by the sulphur content in the deposit. X-ray diffraction (XRD) patterns show that films containing about 15-30% sulphur consist of amorphous alloy. in addition, the process of Ni-S alloy film deposition and the relation between the plating conditions and deposits were studied.

关键词： Ni-S alloy electroplating amorphous structure

Neuromodulation and ablation with focused ultrasound-toward the future of noninvasive brain therapy

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Neural Regeneration Research 2019年第9期14卷 1509-1510页

作者： Anton Fomenko Andres m.Lozano Krem.il Research institute University Health NetworkTorontoCanada Division of Neurosurgery Toronto Western HospitalTorontoCanada

With an aging patient population and an increased burden of neurological disease,the demand for noninvasive alternatives to open neurosurgical procedures is *** or minimally invasive approaches to targeting brain regions include transcranial magnetic stimulation(TmS),transcranial direct current stimulation,temporally interfering electric fields,and focused ultrasound(FUS).Among these modalities,FUS offers a unique com.ination of target specificity,deep brain penetration,and compatibility with real-time structural and thermal monitoring using magnetic resonance imaging(m.i)and mR *** on the intensity and frequency used,ultrasound can have either modulating or ablative effects on brain ***-intensity mR-guided FUS(mRgFUS)is a noninvasive and effective alternative to conventional deep-brain stimulation and radiofrequency lesioning for essential tremor(ET),and is being investigated for other movement disorders,particularly Parkinson’s *** clinical implementation of high-intensity ultrasound is challenged by limitations in target selection precision,technical barriers(such as variable penetration and heat deposition)and the possibility of lesion-related adverse effects(Schwartz et al.,2018).Emerging studies,including those from our group(Boutet et al.,2018)are striving to refine targeting of mRgFUS to improve safety and patient clinical *** the same time,low-intensity FUS(LiFUS)has been found to safely modulate brain activity in rodents,primates,and healthy human subjects(Fomenko et al.,2018).Clinical translation of LiFUS has been hampered however,by a poor understanding of the mechanisms of action,uncertainty over effective sonication parameters and intensities,and conflicting study results due to heterogeneous experimental *** this perspective,the current state of both mRgFUS ablation and LiFUS neuromodulation will be *** technical challenges to delivering ultrasound to the brain,recen

关键词： precision procedures Parkinson human same FUS can has

modified Kadomtsev-Petviashvili Equation in (3+1) Dimensions:multiple Front-Wave Solutions

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Communications in Theoretical Physics 2015年第6期63卷 727-730页

作者： A.m.Wazwaz XU Gui-Qiong Department of mathematics Saint Xavier University Department of information management College of ManagementShanghai University

A modified Kadomtsev-Petviashvili （mKP） equation in （3＋1） dimensions is presented. We reveal multiple front-waves solutions for this higher-dimensional developed equation, and multiple singular front-wave solutions as well. The constraints on the coefficients of the spatial variables, that assure the existence of these multiple front-wave solutions are investigated. We also show that this equation falls the Painleve test, and we conclude that it is not integrable in the sense of possessing the Painleve property, although it gives multiple front-wave solutions.

关键词： modified Kadomtsev-Petviashvili equation multiple front-waves solutions Hirota's method

Noncommutative Geometry and Classical Orbits of Particles in a Central Force Potential

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Communications in Theoretical Physics 2004年第2X期42卷 183-184页

作者： B.mirza m.Dehghani instituteforStudiesinTheoreticalPhysicsandmathematics P.O.Box5746Tehran19395Iran DepartmentofPhysics IsfahanUniversityofTechnologyIsfahan84154Iran

We investigate the effect of the noncommutative geometry on the classical orbits of particles in a central force potential The relation is implemented through the modified commutation relations [xi,xj] = iθij. Compar... 详细信息

关键词：非交换几何学行星轨道量子万有引力行星物理学莱布尼兹规则哈密顿算符

Role of behavioral training in reducing functional impairments after stroke

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Neural Regeneration Research 2019年第9期14卷 1507-1508页

作者： mahira moftah Nafisa m.Jadavji Department of Neuroscience Carleton University

Stroke is the leading cause of long-term disability *** are two m.in types of stroke,hemorrhagic and ischemic.A hemorrhagic stroke is when there a bleed in the brain,whereas an ischemic stroke is the result of blockage of blood flow to the brain,which leads to degeneration,neurotoxicity,inflammation,and *** damage not only affects the ischemic core,but also neuronal,astrocyte,and synaptic survival in the peri-infarct region and connected areas(Kerr et al.,2011;Jadavji et al.,2018).The prevalence of ischemic stroke is predicted to increase as the global population ages(mukherjee and Patil,2011).Between 1970 and 2008 there has been a 100%increase in stroke incidence in low income *** example,the estimated losses in gross domestic product,as the result of vascular diseases,including stroke,have ranged from$20 million in Ethiopia to$1 billion in China and india(mukherjee and Patil,2011).

关键词： Stroke is the leading disability worldwide China and india