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159篇 您的检索式:作者名="H.F."
    题名 作者 年代 出处 被引量
1TiZr-base Bulk Metallic Glass with over 50 mm in Diameter显示文摘Low-cost TiZr-base bulk metallic glasses(BMGs)(Ti36.1Zr33.2Ni5.8Be24.9)100-xCux(x=5,7 and 9) with a maximum size of over 50 mm in diameter were developed by optimizing the alloy composition.The idea is initiated by selecting a particular microstructure comprising primary β-Ti dendrite and amorphous phase.Afterwards,based on this composition of amorphous phase,a class of TiZr-base bulk metallic glasses was designed step by step to reach the optimum composition range.The glass transition temperature(Tg),initial crystallization temperature(Tx) and width of supercooled region(△T) of(Ti36.1Zr33.2Ni5.8Be24.9)91Cu9 BMG are 611,655 and 44 K,respectively.The(Ti36.1Zr33.2Ni5.8Be24.9)91Cu9 BMG exhibits low density of 5.541 g·cm-3 and high compressive fracture strength of 1800 MPa,which promises the potential application as structural materials.M. Q. Tang H.F. Zhang Z. W. Zhu H.M. Fu A.M. Wang H. Li Z.Q. Hu 2010Journal of Materials Science & Technology2010,26,6:17
2钛表面处理后表面能分析及对细胞附着的影响显示文摘采用微弧氧化(MAO)及水热合成 (MAO-HS) 法对纯钛表面进行处理,然后对其表面能进行分析,并观察成骨细胞在其表面的附着动力学变化及骨架蛋白表达。结果显示MAO表面能(50.6 mJ/m2 )及MAO-HS表面能(58.5 mJ/m2)均高于纯钛(39.6 mJ/m2 )。细胞在MAO-HS表面的附着率明显高于MAO及Ti表面。细胞骨架蛋白在3种材料表面均表达良好,但彼此之间存在差异。因此钛表面采用微弧氧化及水热合成法处理后表面形貌及表面能发生改变,这种改变影响了细胞在其表面的生物学行为。张玉梅 赵铱民 黄平 憨勇 P. Bataillon-linez H.F. Hildebrand M. Traisnel 2004稀有金属材料与工程2004,33,5:15
3《实践理性批判》的起源和目标显示文摘《实践理性批判》的发表标志着康德批判事业的工作一分为三。本文从批判哲学的发展史和《实践理性批判》的主要内容入手揭示出《实践理性批判》的起源主要归于康德的两个发现:一是趣味判断的先天性,二是实践理性的二律背反。前一个发现导致康德重新规定批判与高级能力之间的关系,使他改变他的总体批判计划,把对于纯粹理性的一个批判分成对于纯粹思辨理性、实践理性和反思判断力的三个单独的批判;后一个发现及其解决使康德把纯粹理性的思辨运用和实践运用之间的关系确定为一种平行关系,使理性的实践运用从思辨运用中解放出来;由此产生《实践理性批判》。H.F.克勒梅 刘作(译) 曾晓平(校) 2012世界哲学2012,,1:10
4钛表面碱液处理后表面能的变化及对成骨细胞附着的影响显示文摘目的 :研究光滑及粗糙钛表面经碱液处理后表面能的变化 ,以及对成骨细胞在材料表面的附着及骨架蛋白actin表达的影响。方法 :采用表面润湿角测量的方法对材料的表面能进行研究。采用成骨细胞MC3T3-E1体外培养方法观察其在材料表面的附着及骨架蛋白actin的表达。结果 :碱液处理使材料表面能的极化成分增加 ;在细胞附着的初始阶段 ,细胞的附着百分率与材料表面能的极化成分具有很高的相关性 ;骨架蛋白actin染色显示材料表面碱液处理后细胞附着数量增加 ,细胞伸展更好 ,actin表达增强。结论 :碱液处理使钛表面能发生改变 ,进而影响到细胞在材料表面的早期附着及细胞的伸展和蛋白表达。张玉梅 魏建华 赵铱民 刘宝林 P.Bataillon-Linez H.F. Hildebrand 2003牙体牙髓牙周病学杂志2003,13,10:6
5Thick and Dense Anodic Oxide Layers Formed on Aluminum in Sulphuric Acid Bath显示文摘Thick and dense oxide layers were obtained on aluminium in sulphuric acid electrolyte. For this purpose, the methodology of experimental design was used. A three-variables Doehlert design (bath temperature, anodic current density, sulphuric acid concentration), was achieved. In order to maximize the growth rate and the density of the anodic oxide layer, optimum path study was conducted. Under the determined optimal anodizing conditions (5.7℃, 3 A·dm -2 , C sul =140 g·L -1 ), the estimated response values were 0.86 μm·min -1 and 3.12 g·cm -2 for growth rate and density, respectively. The morphology of optimum layer was examined by scanning electron microscopy (SEM). The compactness of the optimum anodic layer can be correlated with its morphology revealed by SEM observations.W. Bensalah M. Feki M. Wery H.F. Ayedi 2010Journal of Materials Science & Technology2010,26,2:4
6煤样的瓦斯解吸过程显示文摘认识吸附在煤体中的瓦斯释放规律,对于预测原煤的瓦斯涌出量具有重要意义。针对提出的特殊问题采用了可计算生产过程(如煤的开采、运输、贮存过程)中的瓦斯解吸速度的方法。 涌出的瓦斯主要由两部分组成,一是存在于煤体内部空隙中的游离瓦斯,二是附着在煤的内表面的吸附瓦斯。游离瓦斯是在煤卸压以后由于吸附平衡破坏而直接释放出来。因为它的体积很小,所以在计算原煤瓦斯涌出量时可以忽略不计。H.F.雅纳斯 于策 1992煤炭工程师1992,,2:4
7Risk indicators for pressure ulcers during surgery显示文摘Lisette Schoonhoven Tom Defloor Ingeborg van der Tweel Erik Buskens Maria H.F. Grypdonck 2002Applied Nursing Research2002,,3:3
8CRACK GROWTH BEHAVIOR IN TITANIUM ALLOY TC11 AT ROOM AND HIGH TEMPERATURES显示文摘1.IntroductionAltraditionalanalyticalmethodsofthefatiguelifeforaeroenginecomponentsrelyonspecimenorfulscalecomponentstests,...H.F. Huang and S.L. Liu Laboratory of Material Mechanical Properties, Beijing Institute of Aeronautical Materials (BIAM), Beijing 100095, China 1999Acta Metallurgica Sinica(English Letters)1999,12,1:3
9Synthesis and Characterization of Fe_(50)Cr_(14)Mo_(14)C_(14)B_6Gd_2 Bulk Amorphous Steel显示文摘Bulk amorphous steel having 7 mm thickness was synthesized to evaluate its thermal stability and mechanical properties.The steel was synthesized by Cu mold casting technique using 1-2N pure metals.Characterization of the material was done by X-ray diffraction,differential scanning calorimetry and scanning electron microscopy.The activation energies were calculated by Kissinger equation and it was found that the steel had better stability against crystallization.Mechanical properties like Vicker s hardness,nanohardness,elastic modulus and elastic recovery of as-cast and annealed samples were measured.It was concluded that the present steel had good glass-forming ability(GFA) and mechanical properties.M. Iqbal J.I. Akhter H.F. Zhang Z.Q. Hu 2010Journal of Materials Science & Technology2010,26,9:2
10自由与自然必然性的对立--克里斯蒂安·伽尔韦的问题与康德的解决显示文摘为了进一步澄清康德伦理学的立场,作者将康德伦理学置于一场命定论与任意论的争论之中。伽尔韦尝试在一种怀疑论的不可知论立场上调和这两种观点,认为由于我们能够确信德性的实在性,所以作为现实的自然必然性和作为道德之前提的自由这两种立场必定能够结合起来,在这里需要负责的并不是道德的现实性,而是我们思辨能力的不足。而康德却与此相反,他认为,伽尔韦这种基于怀疑主义的自然与自由的相容论在论证上和命定论之间有着某种关联。如果道德哲学不能合法地肯定自由的现实性,那么命定论者就能够理所当然地占有这块领地,道德哲学就处在危险的境地之中。因此,康德运用一种在诉讼中使用的'授权'和'演绎'方法,将论证负担交给对手,即不是直接证明自由的现实性,而是要求命定论者在事实上证明自由的不可能性。而根据先验观念论对思辨理性的批判,后者的论证是不可能完成的。因此,道德哲学就能够通过对自由概念在道德领域中的运用这一实践判断而非事实判断,完成对自由的合法肯定。 钱康(译) 2018复旦学报(社会科学版)2018,60,4:2
11Intensification of Statin Therapy Results in a Rapid Reduction in Atherosclerotic Inflammation: Results of A Multi-Center FDG-PET/CT Feasibility Study显示文摘Ahmed Tawakol Zahi A. Fayad Robin Mogg Achilles Alon Michael T. Klimas Hayes Dansky Sharath S. Subramanian Amr Abdelbaky James H.F. Rudd Michael E. Farkouh Irene O. Nunes Chan R. Beals Sudha S. Shankar 2013Journal of the American College of Cardiology2013,,:2
12用激光激发荧光法鉴定矿石和废石及控制矿石质量显示文摘光激发光是激光激发荧光 (LIF)分析法中所用的物质的物理性质。发荧光的矿物以前是收藏家用的语术 ,今天 ,人们已经认识到所有的矿物都可以发荧光。用功率强大的超紫外激光甚至可使氧化铁激发出荧光。用激光激发荧光分析仪已实现了特定荧光发光对不同矿物的工业应用。这些在线装置的特点是不接触被测的矿物 ,具有实时模式 ,测量距离可改变。本工作中 ,试验了两种类型的激光激发荧光分析仪。在采用分层崩落采矿法的铁矿山中 ,一台激光激发荧光分析仪悬挂在放矿点和矿石溜矿点之间的运输平巷的顶板上。它可对前端式装载机的料斗中的矿石进行光学取样 ,分析仪可立即将矿石要送到的地点通知给装载机的司机。另一台分析仪安装在铁选矿厂的运输皮带上 ,它可提供矿石流的质量信息。H.F.布罗伊切尔 王晓东 2000国外金属矿选矿2000,37,3:2
13Antioxidant, antimicrobial activities and characterization of phenolic compounds from buriti ( Mauritia flexuosa L. f.) by UPLC–ESI-MS/MS显示文摘Hector H.F. Koolen Felipe M.A. da Silva Fábio C. Gozzo Antonia Q.L. de Souza Afonso D.L. de Souza 2013Food Research International2013,,2:2
14Influence of rapid solidification on the microstructure of AZ91HP alloy显示文摘J. Cai G.C. Ma Z. Liu H.F. Zhang Z.Q. Hu 2006Journal of Alloys and Compounds2006,,1:2
15道德义务如何可能?--历史语境下的康德“自律原则”显示文摘本文将康德伦理学置于18世纪关于道德义务和约束性争论的背景之下,以更好地理解其关于自律原则和道德法则的概念。在对这一争论进行概述之后,作者首先阐明了沃尔夫(1679~1754)如何将作为纯粹律法概念的约束性转变为关于人类行动的一般理性概念。沃尔夫试图表明我们对于自然(或道德)法则的认识就足以使我们能够根据它们来行动。受到义务的约束而行动仅仅意味着有行动的好理由。这意味着,人并不一定需要有外在的强制力或惩罚措施就能够根据法则来行动。除此以外,这也不意味着人需要有某种特定的上帝概念才能认识到道德行动的理性基础。作者转向了沃尔夫之后哲学的新发展。作者讨论了德国的后沃尔夫主义者埃伯哈德(1739~1809)的思想,埃伯哈德尝试弥合沃尔夫的理性主义和英国情感主义之间的鸿沟。最后,作者讨论了康德关于义务约束力的思想。与他的自由意志概念一样,康德的义务概念也具有与沃尔夫主义的意志模式对立的独特特质。通过自由意志和先验观念论的预设,康德以自律的方式强化了沃尔夫的理性本质主义立场。 钱康(译) 2018复旦学报(社会科学版)2018,60,3:2
16Heat treatment effects on the microstructure and mechanical properties of a medium manganese steel (0.2C–5Mn)显示文摘H.F. Xu J. Zhao W.Q. Cao J. Shi C.Y. Wang C. Wang J. Li H. Dong 2011Materials Science & Engineering A2011,,:2
17Regression of Inflammation in Atherosclerosis by the LXR Agonist R211945显示文摘Esad Vucic Claudia Calcagno Stephen D. Dickson James H.F. Rudd Katsumi Hayashi Jan Bucerius Erin Moshier Jessica S. Mounessa Michelle Roytman Matthew J. Moon James Lin Sarayu Ramachandran Tatsuo Tanimoto Karen Brown Masakatsu Kotsuma Sotirios Tsimikas Edw 2012JACC: Cardiovascular Imaging2012,,8:2
18THE LIMITATION OF MATANSITIC INVARIANT HABIT PLANE AND MARTENSITE MORPHOLOGY显示文摘THELIMITATIONOFMATANSITICINVARIANTHABITPLANEANDMARTENSITEMORPHOLOGY¥N.J.Gu,H.F.Peng,X.YSong,F.X.YinandE.X.Wang(DepartmentofMa...N.J. Gu, H.F. Peng, X. Y Song, F.X. Yin and E.X. Wang(Department of Material Science and Engineering Hebei University of Technology, Tianjin 300132, China 1996Acta Metallurgica Sinica(English Letters)1996,9,4:2
19Interactions and multivariable design of STATCOM AC and DC voltage control显示文摘H.F. Wang 2002International Journal of Electrical Power and Energy Systems2002,,5:1
20Disentangling the contribution of the paretic and non-paretic ankle to balance control in stroke patients显示文摘Edwin H.F. van Asseldonk Jaap H. Buurke Bastiaan R. Bloem Gerbert J. Renzenbrink Anand V. Nene Frans C.T. van der Helm Herman van der Kooij 2006Experimental Neurology2006,,2:1
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