作者: PRE 時(shí)間: 2025-3-21 22:09
Numerical Analysis of Coupled Fluid Flow, Heat Transfer and Solidification in Ultra-thick Slab Contiwide face owing to the thickness of mold. This leaded larger low velocity zone near the mold wall. And it had great influence to temperature distribution on the mold surface and shell thickness uniformity at the mold bottom section.作者: 改良 時(shí)間: 2025-3-22 02:31 作者: LIMIT 時(shí)間: 2025-3-22 06:40 作者: arsenal 時(shí)間: 2025-3-22 10:03 作者: 反話 時(shí)間: 2025-3-22 14:21 作者: 表示向前 時(shí)間: 2025-3-22 18:41
Formation and Drop of Metal Droplets in Slag Bath of Electroslag Remelting Processesl pool. The fall droplets cause the wave of interface of slag/metal pool, the frequency of interface wave of slag/metal depends on the quantity of droplets, and the amplitude of wave depends on the size of droplets.作者: 盲信者 時(shí)間: 2025-3-23 00:50
Optimization Investigation on the Soft Reduction Parameters of Medium Carbon Microalloy Steelcantly decrease. Internal defects including central segregation, porosity and internal crack are comprehensively considered, the optimum soft reduction parameters are the total reduction amount (TRA) of 5mm, the solid fractions between 0.2 and 0.5, and the corresponding reduction zone of 6～7segments.作者: 過分 時(shí)間: 2025-3-23 04:09 作者: Anal-Canal 時(shí)間: 2025-3-23 05:34
Measurement and Observation of the Filling Process of Steel Castingsthe calculation of the filling time. The study also shows that these two systems operate conveniently and reliably. They are effective tools for monitoring of the filling process of castings and future optimizing of gating system, and have broad prospect in casting production.作者: Anguish 時(shí)間: 2025-3-23 11:10 作者: idiopathic 時(shí)間: 2025-3-23 14:41
Effect of Microstructure Evolution on Hot Cracks of HSLA Steel during Hot Charge Processhat the film-like ferrite was 3.6% of all and 9.5% of the ferrite. In combination of the inhomogeneous micro structure and precipitates at the prior austenite grain boundaries during reheating process, cracks formed as specimen charged from 700°C to 800°C.作者: LINE 時(shí)間: 2025-3-23 20:17 作者: Audiometry 時(shí)間: 2025-3-24 02:14 作者: 好開玩笑 時(shí)間: 2025-3-24 03:48 作者: forebear 時(shí)間: 2025-3-24 10:13 作者: 后來 時(shí)間: 2025-3-24 12:19
High speed twin roll casting of Al-33 wt. % Cu strips with layered structure -Inspired by mathematic be cast into strips at speed of 100 rpm (0.79 m/s) using vertical twin roll caster. As per the prediction of mathematical model, distinct layered structure forms when casting was carried out at high speed. Thus, layered structure could be directly cast using a twin roll caster.作者: 削減 時(shí)間: 2025-3-24 18:35
Evolution of Inclusions in Ti-Bearing Ultra-Low Carbon Steels during RH Refining Processrocess, the evolution of oxide inclusions was analyzed using ASPEX and acid extraction. It was found that after Ti addition a large amount of Al-Ti-O inclusions generated, and the Ti content in the oxides decreased as the refining time increased. It was estimated that most of the oxides could be rem作者: overture 時(shí)間: 2025-3-24 19:54 作者: 銀版照相 時(shí)間: 2025-3-25 02:40 作者: BRUNT 時(shí)間: 2025-3-25 04:45 作者: 希望 時(shí)間: 2025-3-25 07:38 作者: 昏迷狀態(tài) 時(shí)間: 2025-3-25 15:04
Modeling of Transient Fluid Flow, Solidification Processes and Bubble Transport in Continuous Castin in a slab continuous casting mold. Transient flow of molten steel in the continuous casting mold is computed using large eddy simulation. A general enthalpy method is presented for the analysis of solidification processes. The transport of bubbles in the liquid pool of the solidified shell is consi作者: 慷慨援助 時(shí)間: 2025-3-25 16:11 作者: Affiliation 時(shí)間: 2025-3-25 20:32
Measurement and Observation of the Filling Process of Steel Castingst system for the filling process of casting based on contact time method and an observation system for the filling process of casting based on high speed camcorders working under high temperature. By using these two systems, the filling process of a turbine blade and a hub casting were measured and 作者: Yag-Capsulotomy 時(shí)間: 2025-3-26 00:56
Influence of Load Paths and Bake Hardening Conditions on the Mechanical Properties of Dual Phase Steial being of importance for shaping of body structures. Normally the BH effect is assessed using the uniaxial tension test. In reality shaped parts show a variety of stress paths, starting from deep drawing over uniaxial, plane strain to biaxial conditions. This is the special aspect of the analysis作者: Spina-Bifida 時(shí)間: 2025-3-26 05:22 作者: 增強(qiáng) 時(shí)間: 2025-3-26 09:08 作者: 彎曲的人 時(shí)間: 2025-3-26 12:51 作者: 昏迷狀態(tài) 時(shí)間: 2025-3-26 16:51
Effect of Microstructure Evolution on Hot Cracks of HSLA Steel during Hot Charge Process specimens charged at 750°C and 700°C respectively was lath martensite, banite, polygonal ferrite and the film-like ferrite along the prior austenite grain boundaries. As the specimen was charged at 700°C and reheated to 800°C～1150°C, it can be obviously observed that cracks both distributed on the 作者: 擴(kuò)大 時(shí)間: 2025-3-26 23:49 作者: Commentary 時(shí)間: 2025-3-27 02:17 作者: 大笑 時(shí)間: 2025-3-27 07:56 作者: TRUST 時(shí)間: 2025-3-27 10:50 作者: 魅力 時(shí)間: 2025-3-27 14:32
l, to páramo ecosystems with short vegetation (between 3000 and 4500?masl), mostly herbaceous and shrubs, and to montane forest with larger tree size and abundant epiphytes hanging from tree branches and attached to tree trunks (Tobón et al. 2010). Climate conditions affect these ecosystems in a dif作者: Iatrogenic 時(shí)間: 2025-3-27 17:58
Wen Yang,Shusen Li,Yubin Li,Xinhua Wang,Lifeng Zhang,Xuefeng Liu,Qinglin Shanhat extends from the eastern and western flanks of the Mexican Plateau southward to southern Argentina and Chile and that also includes the Greater and Lesser Antilles and the Galápagos Islands. This vast and biotically rich region has long attracted natural scientists, with the result that the lite作者: 使熄滅 時(shí)間: 2025-3-27 23:42 作者: 刺激 時(shí)間: 2025-3-28 05:20
Cheng-bin Shi,Xi-chun Chen,Yi-wa Luo,Han-jie Guo a habitat rather than ecosystem effect. We tested the hypothesis that upper forest canopies are probably the best suitable habitat for gall-forming insects in any tropical vegetation, comparing the wet rainforest of Panama (Neotropical), and the subtropical forest of Australia (Australian). We furt作者: ticlopidine 時(shí)間: 2025-3-28 08:02 作者: 粉筆 時(shí)間: 2025-3-28 12:52 作者: 可以任性 時(shí)間: 2025-3-28 15:09
Zhong-qiu Liu,Bao-kuan Li,Mao-fa Jiangaguar’s occurrence points to a need to understand its population size and habitat preferences to apply to the species’ conservation. Typically, jaguar densities are estimated with capture–recapture modeling of photographic captures of individually identifiable individuals, while habitat selection is作者: 可耕種 時(shí)間: 2025-3-28 22:47 作者: Itinerant 時(shí)間: 2025-3-29 02:44 作者: 無辜 時(shí)間: 2025-3-29 06:45
e, level of social complexity, queen number, division of labor among workers, nest architecture, body size, and ecological dominance. Swarm founding evolved independently at least four times in the Vespidae. While much attention in recent decades has been paid to unraveling the steps leading to euso作者: Expand 時(shí)間: 2025-3-29 10:31 作者: 賞錢 時(shí)間: 2025-3-29 12:13
Weiling Wang,Sen Luo,Zhaozhen Cai,Miaoyong Zhueading to secondary synechial angle closure and glaucomatous optic nerve damage due to often rapid and extreme intraocular pressure elevations. Iris neovessels that grow in the setting of neovascular glaucoma are driven by molecular signaling pathways similar to those that govern vascularization dur作者: 來自于 時(shí)間: 2025-3-29 18:19
Ting Ding,Junfeng Su,Henry Hu,Xueyuan Nie,Ronald M Barronmpiled. The earthquakes caused about 8964 human deaths (8,857 in Nepal, 79 in India, 27 in Tibet, China, and 4 in Bangladesh). It has caused 22,300 injuries and full or partial damage to 756,000 buildings in Nepal. In India, deaths were mostly in Bihar and some in Uttar Pradesh. Damage was reported 作者: 符合你規(guī)定 時(shí)間: 2025-3-29 19:45
Chao Xiao,Jiongming Zhang,Yanzhao Luo,Lian Wu,Shunxi Wang magnitude. The behavior may be somewhat different in different regions; hence, it is important to study the same for the Gorkha Nepal earthquake. Generally, it has been observed that the largest aftershock may have one unit less than the mainshock. However, in the case of the Gorkha earthquake, the作者: Anecdote 時(shí)間: 2025-3-30 00:02
Jiang Li,Qian Wang,Yongjian Lu,Banglun Wang,Shaoda Zhangr of years. Less well known, in contrast, is the effect this group of substances has on the kidneys, both on kidney cells and the blood flow through the kidneys. This effect was the subject of a workshop we organized in Tiibingen in June 1986. Different groups studied the effects of these substances作者: 存心 時(shí)間: 2025-3-30 04:40
Gang Nie,Jinwu Kang,Yisen Hu,Rui You,Jiyu Ma,Yongyi Hu,Tianyou Huangor a number of years. Less well known, in contrast, is the effect this group of substances has on the kidneys, both on kidney cells and the blood flow through the kidneys. This effect was the subject of a workshop we organized in Tiibingen in June 1986. Different groups studied the effects of these
