作者: POINT 時(shí)間: 2025-3-21 22:34
Yuqing Wenglication include astrophysics, where strong magnetic fields exist in magnetars and pulsars. .Last but not least, an important new theoretical tool that will be revisited and which made much of the progress surveyed in this book possible is the holographic principle - the correspondence between quant作者: 出汗 時(shí)間: 2025-3-22 01:44 作者: Hirsutism 時(shí)間: 2025-3-22 08:25
Yonglin Kang,Delu Liue can deal rigorously only with single-stage histories by assuming that the strontium was part of only one previous system for a specified period of time before being incorporated into a particular magma. Although these assumptions undoubtedly oversimplify the real situation in many instances, the a作者: 虛假 時(shí)間: 2025-3-22 08:57 作者: magenta 時(shí)間: 2025-3-22 15:17
Weijun Huially meaningless unless very detailed indeed and supported by comprehensive drawings. In many cases the shock-loaded stresses are unknown and trial has established the efficacy of the bonding process either as superior to welding, brazing, or mechanical fastening, or equally satisfactory but more ec作者: 聾子 時(shí)間: 2025-3-22 20:39
Bingzhe Bai, and that governments needed to implement a broadly interventionist trade policy to transform the structure of exports and, by logical extension, domestic production. This combination of interventions in domestic markets and trade was encapsulated in the term ‘import substitution’.作者: Chemotherapy 時(shí)間: 2025-3-23 00:20 作者: Emmenagogue 時(shí)間: 2025-3-23 04:47 作者: 多嘴多舌 時(shí)間: 2025-3-23 05:54
Microstructure Refinement of Steels by TSCR Technology,ms of B added low-carbon steel, the effects of the hot rolling and cooling technology on the softening of low carbon steel as well as the influences of different softening technology on the formability of cold-rolled 08A1 steels. On the other hand, the sulfide and oxide dispersive precipitates, othe作者: 灰心喪氣 時(shí)間: 2025-3-23 09:57
Microstructure Fining Theory of Low- carbon Bainitic Steel,as well as the sediment strengthening of the ? -Cu. The strength and the toughness of ULCB steel match perfectly, and especially the steel has excellent field welding performances and the capability of resisting HIC (hydrogen induced cracking). In the end of chapter, a theoretical concept is propose作者: 共同生活 時(shí)間: 2025-3-23 16:47
Carbide-free Bainite/Martensite (CFB/M) Duplex Phase Steel,ation, because UHSLA steel has not high enough toughness, brittle fracture often occurs, which results in short service life (.). The components made of UHSLA steel for dynamic and huge impact load have higher requirement of fatigue life. But medium or high carbon ultrahigh strength low alloy steel 作者: AVERT 時(shí)間: 2025-3-23 20:12 作者: 詞匯表 時(shí)間: 2025-3-23 22:41 作者: 頂點(diǎn) 時(shí)間: 2025-3-24 05:49
Zhiling Tian,Yun Pengntitative graph measures...Structural Analysis of Complex Networks. is suitable for a broad, interdisciplinary readership of researchers, practitioners, and graduate students in discrete mathematics, statistics978-0-8176-4789-6作者: patriarch 時(shí)間: 2025-3-24 10:12
strength and high toughness alloy structural steels has been established. In the aspect of production technologies, some production technologies for obtaining ultra-fine grains and high978-3-540-77230-9作者: foliage 時(shí)間: 2025-3-24 11:05
Fundamental Study on Homogeneity of Solidification Structure of Steel,on fundamental studies on the liquid structure of Fe-C alloy, heterogeneous nucleation and formation of fine equiaxed grain structure. It is expected that such knowledge can benefit the improvement of homogeneity of steels.作者: monologue 時(shí)間: 2025-3-24 18:44
Deformation Induced Ferrite Transformation,usion of carbon that is different from both massive transformation and pro-eutectoid ferrite transformation. Based on DIFT theory, new TMCP procedures have been developed to produce ultrafine grained plain low carbon steel and microalloyed steel.作者: Venules 時(shí)間: 2025-3-24 19:33
Microstructure Refining and Strengthening of Martensitic Steel,sed. Finally, new high strength martensitic steels ADF series with excellent combination of toughness, DF and fatigue resistance as well as its characteristics and industrial applications were introduced.作者: JEER 時(shí)間: 2025-3-25 00:02
Extra Low Sulfur and Non-metallic Inclusions Control for Ultra Fine Grain High Strength Steels, element content increase during BOF (basic oxygen furnace) steelmaking, extra low S secondary refining, etc. For extra low oxygen special steels, technologies of deoxidation of liquid steel, high basicity slag secondary reefing, non-metallic inclusion control, etc. are introduced.作者: 喊叫 時(shí)間: 2025-3-25 06:34 作者: 以煙熏消毒 時(shí)間: 2025-3-25 09:22 作者: ventilate 時(shí)間: 2025-3-25 15:05
Microstructure Fining Theory of Low- carbon Bainitic Steel,nt result of the social need and the development of the modern metallurgy technology in recent 30 years. Due to the sharp reduction of the carbon content in the steel, the disadvantageous effects of the carbon on the toughness of the bainite microstructure is eliminated completely, and the fine bain作者: Small-Intestine 時(shí)間: 2025-3-25 16:25 作者: 替代品 時(shí)間: 2025-3-25 20:41
Carbide-free Bainite/Martensite (CFB/M) Duplex Phase Steel,strength. Compared with ordinary structure steel, ultra-high strength low alloy (UHSLA) steel has higher tensile strength (R.≥1500 MPa) but lower toughness. Because of low alloy elements, simple hot working process and relative low cost, UHSLA is widely used in spaceflight, aviation and conventional作者: MELON 時(shí)間: 2025-3-26 00:24
Extra Low Sulfur and Non-metallic Inclusions Control for Ultra Fine Grain High Strength Steels,oved. Among the extra fine grain high strength steels, the HSLA steel grades for hot rolled heavy plates request extra low sulfur and the high strength alloying special steel grades for gears, springs, shafts, etc. demand extra low oxygen and non-metallic inclusions control. In this chapter, technol作者: 匍匐前進(jìn) 時(shí)間: 2025-3-26 05:52 作者: 他很靈活 時(shí)間: 2025-3-26 09:03 作者: CERE 時(shí)間: 2025-3-26 14:15
Book 2009gineering applications, new theories of microstructural refinement and the newly developed technologies in production of high strength and high toughness steels are introduced. The book features the integration of materials science with engineering technology. In the scope of theories of the strengt作者: dragon 時(shí)間: 2025-3-26 17:42 作者: Invertebrate 時(shí)間: 2025-3-27 00:55 作者: 后退 時(shí)間: 2025-3-27 02:44 作者: 競(jìng)選運(yùn)動(dòng) 時(shí)間: 2025-3-27 08:13
https://doi.org/10.1007/978-3-540-77230-9Emission; MIP; Metall; Recycling; metal; microstructure; production; steel refinement作者: LINE 時(shí)間: 2025-3-27 11:08
Overview,Steel are the basic materials in human civilization. Sufficient quantity of high quality steel materials is necessary for realization of industrialization of countries in the world and for providing conditions for the modern life of mankind.作者: Commonwealth 時(shí)間: 2025-3-27 14:03
,Refinement of Austenitic Microstructure and Its Influence on γ→α Transformation,The metallurgy research in physical-metallurgy and rolling process for austenitic grain refinement is presented in the first part of this chapter. And the influence of austenitic grain refinement on γ→α transformation is introduced in the second part. It is as follows:作者: Lacunar-Stroke 時(shí)間: 2025-3-27 19:53 作者: 一起平行 時(shí)間: 2025-3-28 01:00
Springer-Verlag Berlin Heidelberg 2009作者: gospel 時(shí)間: 2025-3-28 02:57 作者: hardheaded 時(shí)間: 2025-3-28 06:54
Yuqing Wengrticle, nuclear, astro- and condensed matter physicists..It is known that strong magnetic fields are created in heavy ion collisions, an insight that has made it possible to study a variety of surprising and intriguing phenomena that emerge from the interplay of quantum anomalies, the topology of no作者: jaundiced 時(shí)間: 2025-3-28 10:51 作者: Obsequious 時(shí)間: 2025-3-28 15:58 作者: 四指套 時(shí)間: 2025-3-28 21:04
Yonglin Kang,Delu Liugin of igneous rocks and about the geologic processes that have affected their chemical compositions. We showed in the previous chapter that the Rb-Sr isochron method of dating leads not only to the determination of the age of a suite of comagmatic igneous rocks, but also indicates the “initial rati作者: 羅盤(pán) 時(shí)間: 2025-3-29 02:03
Xinlai He,Chengjia Shanginatorics, additive number theory, additive group theory, and combinatorial number theory. Its main objects of study are not abelian groups themselves, but rather the additive structure of subsets and subsequences of an abelian group, i.e., sumsets and subsequence sums. This text is a hybrid of a re作者: craving 時(shí)間: 2025-3-29 03:04 作者: 混沌 時(shí)間: 2025-3-29 09:16 作者: 變化無(wú)常 時(shí)間: 2025-3-29 13:59
Xinhua Wangent in ‘people’s power’ and a level of spontaneous mass mobilisation not seen since the early day of the independence struggle. Throughout the country ‘defence committees’ and other organs of ‘popular power’ sprang up. Students closed down schools in order to bring in the cocoa crop, artisans and ma
