搜索结果: 1-15 共查到“工学 Melting”相关记录26条 . 查询时间(0.109 秒)
NORMALIZATION OF MICROWAVE TIME SERIES OBSERVATIONS (1979 - 2005) : APPLICATION TO SURFACE MELTING ANALYSIS OVER ANTARCTICA AND SURFACE TEMPERATURE OVER CANADA/ALASKA
Physical Measurements Signatures
2015/9/8
Polar regions are anticipated to evolve significantly in response to the expected increase in
temperature over the next decades. To bypass the lack of meteorological stations in boreal and
austral h...
Dynamics of surface melting over Amery and Ross ice shelf in Antarctic using OSCAT data
Antarctic ice shelf Amery Ross OSCAT Melt Freeze
2014/12/15
Antarctic sea ice sheets play an important role in modulating the climate system. The present study investigates the dynamics of melt/freeze over Amery and Ross ice shelf located in Eastern and Southe...
Robotic ocean gliders aid study of melting polar ice（图）
polar ice Robotic ocean gliders aid
2014/12/1
The rapidly melting ice sheets on the coast of West Antarctica are a potential major contributor to rising ocean levels worldwide. Although warm water near the coast is thought to be the main factor c...
减压贮藏对软溶质水蜜桃采后生理和品质的影响（Effects of Hypobaric Storage on Postharvest Physiology and Quality of Flesh-melting Textured Juicy Peach）
水蜜桃 减压贮藏 采后生理 品质
2010/12/29
研究了（10±5）kPa和（80±5）kPa不同减压冷藏及常规常压冷藏对软溶质水蜜桃贮藏期间生理生化和主要品质指标的影响。结果表明，减压处理可显著减少乙烯释放量和抑制呼吸代谢，减少贮藏期可滴定酸、维生素Ｃ的损失，保持果肉硬度和色泽；能够有效保持超氧化物歧化酶、过氧化氢酶的活性，延缓细胞膜通透率的增大，从而减轻冷害的发生和延缓贮藏期的品质劣变。采用（10±5）kPa压力处理保鲜效果最好，经30 d冷...
Lateral extrusion of tailor welded aluminum alloy pipes with a lost core of low temperature melting alloy
Tube forming Tailored blank Lateral extrusion
2009/12/14
Purpose: In this paper, the authors employ tailor welded aluminum alloy pipes for lateral extrusion process with a lost core to perform a hollow light-weight-part.
Design/methodology/approach: The pi...
Thermal barrier ZrO2 - Y2O3 obtained by plasma spraying method and laser melting
Composites Thermal barrier coatings Air plasma spraying
2009/12/3
Purpose: The aim of the paper is to determine the influence of laser melting upon the selected physical properties of ZrO2 - Y2O3 ceramic coatings deposited by APS (Air Plasma Spraying) method on supe...
Physical and technological preconditions of melting-crystallisation temperature stabilisation
Metallic alloys Heat treatment Melting Structure Modification
2009/12/2
Purpose: The precise temperature measurements need the using of temperature reference points - „temperature
fixpoints” (TFP). The increase of measuring temperature interval and other reasons re...
MELTING AND FREEZING IN A FINITE SLAB DUE TO A LINEARLY DECREASING FREE-STREAM TEMPERATURE OF A CONVECTIVE BOUNDARY CONDITION
finite slab freezing heat balance integral
2009/10/14
One-dimensional melting and freezing problem in a finite slab with time-dependent convective boundary condition is solved using the heat-balance integral method. The temperature, Tinf 1(t), is applied...
Earth's glaciers melting at an accelerated rate（图）
Earth's glaciers melting accelerated rate
2009/9/28
Glaciers along the margins of Antarctica and Greenland are flowing into the ocean at an ever-increasing rate due to rising sea temperatures, warn researchers in the UK. The "dynamic thinning" of these...
Low Melting Carat Gold Brazing Alloys for Jewellery Manufacture
Alloys Jewellery Manufacture
2009/7/30
Low Melting Carat Gold Brazing Alloys for Jewellery Manufacture.
A Low Melting Point Solder For 22 Carat Yellow Gold.
High-Quality Poly-Si Crystallization Technology Based on Laser-Induced Melting and Resolidification Dynamics of Si Thin Films
Poly-Si TFT Laser crystallization Lateral crystal growth
2009/6/9
The liquid-solid interface motion and the temperature history of thin Si films during short pulse (< 30 ns) excimer laser annealing are observed by in-situ diagnostics. Substantial supercooling (> 200...
Extremely Short Period Melting and Solidification of Si Film in Laser Annealing and Properties of Poly-Si Film
Laser annealing Supercooling Phase transformation
2009/6/9
Extremely short period melting and solidification of Si thin film induced by laser annealing is observed by in-situ monitoring techniques of transient reflectance and conductance measurements. The tem...
The impact of coniferous forest temperature on incoming longwave radiation to melting snow
snowmel longwave radiation forest temperature shortwave radiation transmissivity
2014/4/3
Measurements were conducted in coniferous forests of differing density, insolation and latitude to test whether air temperatures
are suitable surrogates for canopy temperature in estimating sub-canop...
Development of the fundamentals of melting and casting technology of Al-Me (Cr, Ni, Mo, W, Ti) master alloys used for modification of microstructure in silumins
The theoretical basis for casting processes silumins thermal analysis analysis of phase
2011/3/30
The study presents the technological backgrounds of the process of melting and casting Al-Cr, Al-Ni, Al-Mo, Al-W and Al-Ti master alloys, used as refiners of the microstructure of cast silumins. Basin...