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- Heat Cutting by Laser Beam 激光加热切削
- The quality of cleaving by multiple laser is much better than the conventional glass cutting by laser. 切割后的玻璃试件经观察分析比较后发现在脉冲光源击发处并无造成表面明显的破坏因此切割品质也较佳。
- This article discusses a new control method of automatic tracing the welding scam by laser beam in torch lascr welding production Iine. 本文论述了手电筒激光焊接生产线中激光束自动跟踪焊缝的控制方法。
- By laser irradiation for the cephalic veins of the dogs, the interaction between vascular tissue, blood and the laser beam was analyzed. 通过半导体激光对犬副头静脉进行血管内照射的临床试验,分析激光与血管组织及血液的相互作用,同时对激光血管内照射治疗静脉曲张的机理进行了研究。
- The hardening gradient and the character of abrasion in hardening layer of hypoeutectoid steel with two kinds of matrixes that was treated by laser beam have been studied. 研究了两种基体的亚共析钢经激光处理后,其硬化层的硬度梯度及其磨损特性。
- Several means are available for protection of polyvinyl chloride (PVC) tube from fire, but they are not perfect in prevention of tires caused by laser beam. 虽然有很多防护措施可以用来保护气管内管,但总是无法提供非常完全的保护。
- Two scenes were cut by the censor. 有两个镜头被审查员剪掉了。
- In certain range of defocusing distance, if laser intensity is high enough, the expansion of irradiated area by laser beam can make the radial keyhole size synchronously increase with laser spot. 离焦量在一定的范围内,在足够高的激光能量密度下,激光辐照范围的增大使得小孔径向尺寸与激光光斑同步变化。
- During the three years it took to tunnel under the Channel, the 1575-tonne tunnelling machines, guided by laser beams, cut through nearly a kilometre of chalk marl a month, almost 50 metres below the seabed. 在挖掘海底隧道花费的3年时间里,1575吨重的隧道掘进机通过激光引导在海底下面大约50米处每月挖通将近一公里的白垩泥灰土。
- In optical recording, refers to the areas of the data tracks which are between the pits. These are typically the areas not touched by the recording laser beam during mastering. 在光记录技术中,指光道上两个凹槽之间的区域。在制作母盘时记录激光束不照射这些区域。参阅pit。
- A small ravine, especially one cut by a torrent. 冲沟,激流峡谷狭小深谷,尤指由激流冲刷而形成
- All the prices have been cut by about $5. 所有价格都降了5美元左右。
- Experimental Analysis of Glass Cutting by Laser Thermal Stress 激光热应力切割玻璃实验与分析
- His salary has been cut by ten per cent. 他的薪金减少了百分之十。
- How does a laser beam vaporize steel? 激光束是怎样使钢气化的?
- Her hand was cut by a fragment of glass. 她的手被一块玻璃碎片划破了。
- As an application example, a formula for rupturing time of inner-pressured rotating cylinder irradiated by laser beams is presented, and the results agree well with that of numerical calculation. 作为温升估算方法的一个应用实例,推导了转动充压柱壳在激光辐照下破坏时间的解析公式,与数值计算结果吻合得较好。
- A small ravine,especially one cut by a torrent. 冲沟,激流峡谷狭小深谷,尤指由激流冲刷而形成
- A Spare Part Surface Roughness Measurement by Laser Beam Scattering 利用激光散射原理测量零件的表面粗糙度
- Cut by irregular valleys and hills. 切割的被不规则的山、谷切割的