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331篇 您的检索式:作者名="M.F."
    题名 作者 年代 出处 被引量
1鉴别短暂性脑缺血发作后发生早期卒中高危人群的简单方法(ABCD)Rothwell P.M. Giles M.F. Flossmann E. 谢琰臣 2005世界核心医学期刊文摘(神经病学分册)2005,0,11:13
2Spectrum of NSD1 gene mutations in southern Chinese patients with Sotos syndrome显示文摘Background Sotos syndrome is an overgrowth syndrome with characteristic facial gestalt and mental retardation of variable severity. Haploinsufficiency of the NSD1 gene has been implicated as the major cause of Sotos syndrome, with a predominance of microdeletions reported in Japanese patients. This study was conducted to investigate into the spectrum of NSD1 gene mutations in southern Chinese patients with Sotos syndrome. Methods Thirty-six Chinese patients with Sotos syndrome and two patients with Weaver syndrome were subject to molecular testing. Results NSD1 gene mutations were detected in 26 (72%) Sotos patients. Microdeletion was found in only 3 patients, while the other 23 had point mutations (6 frameshift, 8 nonsense, 2 spice site, and 7 missense). Of these, 19 mutations were never reported. NSD1 gene mutations were not found in the two patients with Weaver syndrome. Conclusions Most cases of Sotos syndrome are caused by NSD1 gene defects, but the spectrum of mutations is different from that of Japanese patients. Genotype-phenotype correlation showed that patients with microdeletions might be more prone to congenital heart disease but less likely to have somatic overgrowth. The two patients with Weaver syndrome were not found to have NSD1 gene mutations, but the number was too small for any conclusion to be drawn.Tony M.F. Tong Edgar W.L. Hau Ivan F.M. Lo Daniel H.C. Chan Stephen T.S. Lam 2005Chinese Medical Journal2005,,18:10
3绞股蓝的化学成分研究——Ⅰ.一种新的达玛烷——绞股蓝皂苷元Ⅱ的结构显示文摘云南孟连产绞股蓝水提取物经矿酸水解,分离出三个结晶,结晶Ⅱ经紫外光谱,红外光谱,核磁共振氢谱,核磁共振碳谱,质谱测定,并经 X 射线衍射分析,确定其结构为20R-21,24-环-3β,25-二羟基达玛-23(24)-烯-21-酮,是首次发现侧链为环戊烯酮的新达玛烷,命名为绞股蓝苷元Ⅱ(1).结晶Ⅲ为已知黄酮类化合物商陆黄素(ombuin)(2).魏均娴 陈业高 徐兴伦 方洪良 陈国才 Mackay M.F. 1991化学学报1991,49,9:10
4Impact of wastewater reuse on cobalt status in Egyptian environment显示文摘Cobalt is used in the manufacture of alloys, catalysts in the petroleum industry, catalytic converters, and paint pigments. Thus the potential for Co releases into the environment is highly increased. Use of waste sludges and sewage effluent to fertilize and irrigate soils has also increased soil Co concentrations. Total cobalt contents of alluvial delta soil of Egypt show considerable variation ranging from 13.1 to 64.7 ppm. The impact of either wastewater irrigation or industrial activities on soil total Co was obvious due to accumulation of organic matter and solid waste in the surface soil samples. Food crops and vegetables should not be grown on soil highly contaminated by Co. It is noteworthy that the delayed neutron activation analysis(DNAA) technique could be used successfully for total Co determination due to its high sensitivity. It is quit clearly that dust samples of Cairo City contains higher Co level, as compared to Suez Canal Region(Ismailia, Port Said and El-Suez cities). The high values in Cairo City may be due to the existence of industries around the city and the intensive traffic. To minimize Co environmental hazards, waste effluents should be treated on site. Thus, levels of potentially toxic Co needs to be continuously monitored and should be removed during several treatment processes before the disposal of these wastes.M.F. Abdel-Sabour 2003Journal of Environmental Sciences2003,15,3:8
5The chemosensory appendage proteome of Amblyomma americanum (Acari: Ixodidae) reveals putative odorant-binding and other chemoreception-related proteins显示文摘Proteomic 分析在孤独的星的 2 个化学感应的附器上被做滴答响, Amblyomma americanum。蛋白质在在先 tarsi,包含嗅觉的 Hallers 机关,并且在触官,包括味觉的 sensilla,与在第三 tarsi 的蛋白质相比。另外,男性和女性滴答响被比较。蛋白质被顺序类似,并且由 3-dimensional 相同建模识别到已知的蛋白质。Proteomic 数据也与从 tick Rhipicephalus microplus 的器官特定的 transcriptomes 相比。在先 tarsi 快车没在第三 tarsi 或触官发现的 lipocalin。在先, tarsi 和触官富有地表示 2 蛋白质,它类似于昆虫有气味的东西绑定蛋白质(OBP ) 。与昆虫 OBP 相比, tick 象 OBP 一样序列缺乏半胱氨酸在 C 减 OBP 不在,并且 1 滴答响象 OBP 一样顺序有类似于 C 加 OBP 的另外的半胱氨酸。类似于抗菌素蛋白质 microplusin 的四蛋白质被发现:2 只表示了在在先 tarsi 并且 1 只在触官表示了。这些蛋白质缺乏 microplusin 铜绑定地点,而是他们被建模有一个重要的内部洞,潜在地一个 ligand 有约束力的地点。类似于 7 被发现差别的灰尘螨变应原 Der p7 和 Der f 的蛋白质在先在女性表示了 tarsi。只表示在的蛋白质在先, tarsi 有类似到否决权,它被知道涉及 ionotropic glutamate 受体聚类。这些结果组成象 OBP 一样蛋白质序列的第一份报告在滴答响并且点到几条研究大街在上滴答响化学感应的接收。Robert Renthal Leena Manghnani Sandra Bernal Yanyan Qu Wendell P. Griffith Kim Lohmeyer Felix O. Guerrero Ligia M.F. Borges Adalberto Perez de Leon 2017Insect Science2017,24,5:4
6Study on the Sulfur Nutrition of the Sugarcane and Balance of Sulfur in Soil for Sugarcane Planting Areas显示文摘H.W. Tan L.Q. Zhou R.L. Xie M.F. Huang 2010Journal of Environmental Science and Engineering2010,4,9:4
7Review on nanocomposites fabricated by mechanical alloying显示文摘Composites are composed of multiphase materials, where each phase has specific properties that differ from those of the other phases which can effect on the whole properties of composite. Nanocomposites are class of materials that contain at least one phase in the nanometric size range and can be produced by any suitable technique for preparing nanomaterials. Composites are an interesting class of materials that have recently been used in numerous applications, including structural, biomedical, electronics, and environmental applications. In composites, reinforcements might be fibers, particulates, or whiskers. Mechanical alloying(MA) is a promising technique for producing nanocomposite materials that are difficult or impossible to prepare via conventional techniques. In this review, we provide an overview of nanocomposites prepared by the MA process. The mechanism of milling and other milling parameters are overviewed, and insights into sintering categories and parameters are also presented.Mohammed A. Taha Rasha A. Youness M.F. Zawrah 2019International Journal of Minerals,Metallurgy and Materials2019,26,9:3
8Randomised comparison of morbidity after D1 and D2 dissection for gastric cancer in 996 Dutch patients显示文摘J.J. Bonenkamp I. Songun K. Welvaart C.J.H. van de Velde J. Hermans M. Sasako J.T.M. Plukker P. van Elk H. Obertop D.J. Gouma C.W. Taat J. van Lanschot S. Meyer P.W. de Graaf M.F. von Meyenfeldt H. Tilanus 1995The Lancet . 1995 (8952)1995,,:2
9计算语言学显示文摘对把一种语言自动翻译成另一种语言的可能性的讨论,往往只停留在工艺水平上—即仅仅从诸如增大计算机的运算速度和存储量,使计算机的部件小型化等等这样一些因素来考虑。博特在他的文章中谈到的一点(此点会引起每个在计算语言学领域工作过的人的共鸣)是:机器翻译工艺方面的问题,比起为计算机提供有效地识别和翻译言语所必需的全部信息的困难来,几乎是微不足道的。甚至连材料分析的完全自动化是否可行这一点都不清楚:这部分是由于博特提到的这样一个原因:翻译有赖于对“现实世界”有极其广博的知识;部分是由于转换语法目前还处于形式化阶段,因此,决定句子如何与其“深层结构”联系起来的算法(algorithm,在计算语言学中,亦可译作“规则系统”,下同。—译者)能否存在,还不敢肯定。这并不意味着博特的“理论上的乐观主义”是没有道理的。计算语言学(其中机器翻译是唯一众所周知和最吸引人的方面)对近年来语言理论的发展起了不可忽视的、总的来说是有益的影响。这已近使语言学家借助计算机,更加准确地把语言规则公式化,而用其他方法,就不会那样准确;而且,这种力求精确的努力,往往贯串于不用计算机对语言材料进行分析的工作中。读者将会注意到,本书阐述生理、神经或心理“机制”(mechanisms)的那些章节,倾向于利用计算机科学中的术语和概念(如storage存储器,programming程序设计,等等)。学者们用这样一些术语进行思考,有助于把“现实的”、能检验的假设公式化,因此他们并不坚持认为:计算机模拟语言活动的方式和人的语言活动方式之间会有什么十分接近的相似点。M.F.博特 黄长著 1978当代语言学1978,,1:2
10Characteristics of Missed or Interval Colorectal Cancer and Patient Survival: A Population-Based Study显示文摘N. Jewel Samadder Karen Curtin Thérèse M.F. Tuohy Lisa Pappas Ken Boucher Dawn Provenzale Kerry G. Rowe Geraldine P. Mineau Ken Smith Richard Pimentel Anne C. Kirchhoff Randall W. Burt 2014Gastroenterology2014,,4:2
11Cytokine gene expression in splenic CD4 + and CD8 + T cell subsets of genetically resistant and susceptible chickens infected with Marek’s disease virus显示文摘P. Parvizi L.R. Read M.F. Abdul-Careem A.J. Sarson C. Lusty M. Lambourne N. Thanthrige-Don S.C. Burgess S. Sharif 2009Veterinary Immunology and Immunopathology2009,,2:2
12An abdominal and thyroid status with Acoustic Radiation Force Impulse Elastometry – A feasibility study显示文摘R.S. Goertz K. Amann R. Heide T. Bernatik M.F. Neurath D. Strobel 2010European Journal of Radiology2010,,3:2
13Molecular and morphological characterization of the tapeworm Taenia hydatigena (Pallas, 1766) in sheep from Iran显示文摘S. Rostami R. Salavati R.N. Beech Z. Babaei M. Sharbatkhori M.R. Baneshi E. Hajialilo H. Shad M.F. Harandi 2013Journal of Helminthology2013,,2:2
14Laparoscopic cholecystectomy in 226 cirrhotic patients显示文摘C.N. Yeh M.F. Chen Y.Y. Jan 2002Surgical Endoscopy2002,,11:2
15Effects of feeding rumen-protected choline on incidence of diseases and reproduction of dairy cows显示文摘F.S. Lima M.F. Filho L.F. Greco J.E.P. Santos 2011The Veterinary Journal2011,,1:2
16CRACK GROWTH BEHAVIOR AND FRACTURE FEATURE OF GH2132 UNDER CREEP-FATIGUE CONDITIONS显示文摘The crack growth behavior and fracture feature of superalloy GH2132 (equivalent to A286) under creep-fatigue conditions have been studied in the present paper. The tests were carried out at 550℃ under various cyclic freqencies (hold time) and load levels,and the fracture surfaces were examined by using a scanning electron microscope. It is shown that the fracture mode of creep-fatigue and the effect of cyclic loading on crack growth change with the growth of crack and the increase of net-section stress,and both are reversed when the net-section stress is up to the yield stress of material.When σn <σ0.2, cracking is predominantly cycle-dependent transgranular and cyclic loading accelerates creep crack growth, whereas when σm>σ0.2, the case is reversed.Geng, M.F. 1997Acta Metallurgica Sinica(English Letters)1997,10,6:2
17Inflammatory Markers and Loss of Muscle Mass (Sarcopenia) and Strength显示文摘Laura A. Schaap Saskia M.F. Pluijm Dorly J.H. Deeg Marjolein Visser 2006The American Journal of Medicine2006,,6:2
18孟加拉国砷污染回顾显示文摘目前,孟加拉国居民的健康正面临着严重威胁,8,500,000人的饮用水和粮食作物受到了砷污染。孟加拉国的地下水砷污染问题在世界上是最严重的。由于孟加拉国对地表水管理不当,97%居民的饮用水和家庭用水来源于地下水。在孟加拉国,地下水严重受到砷污染引起大量砷中毒事件。砷污染回顾着重于综述近年来砷污染的调查结果和统计数据,尤其是土壤、水和食物的砷污染。世界卫生组织(WHO)规定的饮用水中砷的额定浓度为10μg/L。现有勘查着重于孟加拉国64个地区深水井的地下水中砷的浓度。调查结果显示:59个深水井的地下水中砷的浓度大于10μg/L;43个深水井的地下水中砷的浓度大于50μg/L。受砷污染的地下水常被用于浇灌水稻(居民主要的粮食作物)。这种农业习惯(把受污染的地下水用于灌溉)引起土壤中砷的浓度增加。现有研究显示,稻米和蔬菜中85%-95%的砷是无机砷。在孟加拉国,土壤、地下水和植物中砷的浓度(基于孟加拉国4%的地区)超过报导的最大允许浓度或者正常范围,这(砷浓度大于最大允许浓度)对孟加拉国居民和家畜的健康造成了严重威胁,强调了开展科学研究的必要性,例如,较好地描述自然环境中砷的存在形态以及确定所有潜在的砷污染途径的科学研究。M.F. Hossain 赵玉军(翻译) 苑惠明(校对) 2007水文地质工程地质技术方法动态2007,,1:2
19Recognition and characterization of small colonic neoplasia with high-definition colonoscopy using i-Scan is as precise as chromoendoscopy显示文摘A. Hoffman C. Kagel M. Goetz A. Tresch J. Mudter S. Biesterfeld P.R. Galle M.F. Neurath R. Kiesslich 2009Digestive and Liver Disease2009,,1:2
20Test-Retest Reliability of the GO-QOL显示文摘C.B. Terwee M.N. Gerding F.W. Dekker M.F. Prummel J.P. van der Pol W.M. Wiersinga 1999Journal of Clinical Epidemiology1999,,9:2
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