This paper reviews basic principles and applications of laser surface melting.
本文概述激光表面熔化工艺的基本原理及其应用。
The study builds on earlier work also showing a limited overall change in ice flow from the surface melting.
研究是基于早期研究成果也表明来自表层的冰雪融化带来的冰体流动整体变化有限。
Arc Burns. Localized points of surface melting caused by arcing between electrodes or ground and pipe surface.
电弧烧伤。由于电极(含接地极)与管子表面之间起弧而产生的局部表面熔化点。
The theory and experiments on surface melting of solids which has attracted considerable interest are reviewed.
对近年来人们十分关注的表面熔化问题，从理论和实验上进行了综述性讨论。
At least 60 to 70 calories per square centimeter of thermal energy are required to produce surface melting or darkening.
要使这些物质表面熔化或变黑，至少需要每平方厘米有60到70卡的热能。
Higher air temperatures can increase surface melting, but warm ocean currents accelerate ice loss more when glaciers flow into the sea.
气温升高能够加速冰川表面的融化，但是当冰川漂移入海之后，温暖的洋流对冰雪消融发挥了更重要的推动作用。
The different mechanisms of bulk melting and surface melting induce the thermal melting point lower than the bulking melting point.
体熔化与表面熔化的不同发生机制导致体熔点高于热力学熔点。
If his dating of the ice core layers is accurate, surface melting like that seen in recent years has not occurred over the last 11, 700 years.
假如他对冰川核心层的年代推定是准确的，那么在之前的11700年里，从未有过像近年所见的这种冰川表面融化现象。
Some of these properties appear to be evident in this iceberg, though the channel may have since been widened and enlarged by the subsequent tidal and surface melting and erosion.
虽然后来的潮汐和表面的融化与侵蚀可能加宽并扩大了这个河道，但是其中一些属性似乎在这个冰山上表现的很明显。
Recent developments and applications of laser surface modification, i. e. laser surface melting, laser surface alloying, laser cladding and laser multi-layer cladding were reviewed in detail.
综述了激光表面改性(激光表面重熔、激光表面合金化、激光表面熔敷、激光多层熔敷)的研究与应用。
The results show that the laser surface melting treatment improves greatly the homogenization, compaction and the corrosion resistance of rare earth permeating layer under the condition of test.
结果表明，在一定条件下，激光熔凝处理可进一步提高纯铁渗稀土层组织的致密性与均匀性，显著提高稀土渗层的耐蚀性。
New casting technologies including fluxless melting and nonchromated anodisation surface treatments are emphasised.
重点介绍了新的铸造技术，包括无熔剂熔炼和非铬化阳极处理。
They began by shredding and melting Emmentaler into a soup, which, of course, caused all of the fat to escape to the surface and form a giant slick.
开始他们把瑞士埃曼塔尔奶酪粉碎并融化，结果当然是：奶酪中的脂肪都浮到表面，变成了一张巨大的油膜。
As each year's snow accumulation lay on the surface, evaporation and melting caused the snowflakes slowly to lose their feathery points and become tiny grains of ice.
由于每年的雪花积累在表面之上，蒸发和融化使得雪花慢慢失去其羽状尖端而变成微小的冰粒。
"We have not had a clear understanding of what is driving this melting because the atmospheric forcing - the temperature at the surface - is not warm enough to cause such a melting," he added.
“我们对什么在推动这一冰融尚无明确的认识，因为大气促成的-表面温度-还没有热到足以导致如此的冰融，”他补充说。
Reflow Soldering: Melting, joining and solidification of two coated metal layers by application of heat to the surface and predeposited solder paste.
回流焊：应用加热金属涂敷层的表面和预涂焊膏，熔融，连接和凝固两个金属涂层。
Finally, the surface of this meteorite melted lump of metal spots there may be landed during the metal melting temperature in stone surface.
最后，这块陨石表面还有金属熔化的块状斑点，可能是降落过程中的高温使金属熔化在石头表面。
A part surface can be infiltrated with a low melting point metal to increase density, strength, hardness, ductility and impact resistance.
零件表面能被低熔点金属渗透以增大密度、强度、硬度、延展性和抗冲击能力。
This paper deals with the influence of laser beam on the width and depth of melting zona and surface smoothness.
探讨了灰铸铁激光表面熔化处理表面的质量。
Cinder scraping manipulator which is the dedicated device used for removing the dross on the surface of the melting metal liquid.
扒渣机械手是冶金行业普遍使用的，用于清除熔融金属液表面浮渣的专用设备。
Alloy coating is prepared by induction melting and casting with the method of direct feeding powder on the surface of a shaft.
介绍了用直接送粉方式在轴类零件表面感应熔铸合金层的工艺原理和实验装置。
The surface temperature of melt pool in crucible and hearth of TC4 alloy during electron beam cold hearth melting was measured accurately by using M9100 pyrometer.
使用M9100图像高温仪精确测定了TC 4合金电子束冷床熔炼时坩埚和冷床熔池表面的温度。
The colder surface water then rolls to the bottom where it absorbs heat from the earth and is returned to the surface to continue the melting process.
水面上较冷的水就会流动到底部，从地面吸收热量，然后再上升到水面继续融化处理。
This paper studies the effects on pure fe surface and the microstructure using the method of permeating re combined with laser melting modification.
研究了渗稀土激光熔凝复合处理对纯铁表面耐磨性能及微观组织的影响。
In melting, casting, bending, forging, welding and surface heat treatment and other industries widely used.
已在熔炼、铸造、弯管、热锻、焊接和表面热处理等行业广泛应用。
Laser surface processing techniques such as melting, alloying, composite intensifying and cladding have obtained some achievements on corrosion and wear protection of magnesium alloys.
激光表面熔凝、合金化、复合强化、熔敷等技术在镁合金的防腐、防磨损方面已取得了一定的成果。
A formula has been derived to account for the melting temperature of free surface nanoparticles based on the relationship between the cohesive energy and the melting temperature of solids.
根据熔解温度与结合能的关系，推导出了一个计算自由表面纳米微粒熔解温度的公式；
The melting deformation area is dependent on the energy heating the contact surface, the meterial parameters and the deformation is identical with the welding probability.
探明了熔化变形面积与接触加热能量及材料性质参数有关且其变形大小与静熔焊概率大小一致。
The melting deformation area is dependent on the energy heating the contact surface, the meterial parameters and the deformation is identical with the welding probability.
探明了熔化变形面积与接触加热能量及材料性质参数有关且其变形大小与静熔焊概率大小一致。
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