A theoretical and experimental investigation on keyhole effects in deep penetration laser welding;
激光深熔焊接小孔效应的理论和试验研究
After widely analyzing the existing research works on deep penetration laser welding, in view of the existing problems, the keyhole effects in deep penetration laser welding are theoretically and experimentally studied in this paper.
本文在分析现有激光深熔焊接研究成果的基础上，针对现有研究存在的主要问题，采用理论研究和试验研究相结合的方法，对激光深熔焊接过程中的小孔效应进行了较深入系统的研究。
The keyhole effects in deep-penetration laser welding of GG17 (Pyrex) glass are theoretically and experimentally studied in this paper.
本文采用理论和试验相结合的方法系统地研究了激光深熔焊接GG17(Pyrex)玻璃时的小孔效应。
The structure and configuration of the porous minerals were discussed, and the porthole effect and surface charge effect were mainly illuminated.
对多孔矿物材料的孔道结构和形态进行了分析,然后对多孔矿物材料的孔道效应和表面荷电效应进行了重点介绍。
In this study, the porosity effect in heterogeneous catalytic reactions was exemplified by investigating disproportionation of natural rosin.
与传统浸渍法制备的Pd/C催化剂在松香歧化反应中比较 ,新方法制备的催化剂显示出更好的活性 ,克服了松香大分子因“孔效应”造成传统浸渍法制备的Pd/C催化剂中小孔周围的活性组分不能有效使用的缺点。
A Theoretical and Experimental Investigation on Keyhole Effects in Deep Penetration Laser Welding;
激光深溶焊接小孔效应的理论和试验研究
A Theoretical and Experimental Study on Keyhole Effects in Laser Deep Penetration Welding;
激光深熔焊接小孔效应的理论和试验研究
The Simulation Research on the Keyhole Effect of Deep Penetration Laser Welding Based on a Novel "Sandwich" Method;
基于“三明治”新方法的激光深熔焊接小孔效应的模拟研究
Numerical simulation of small pillar stress concentration areas borehole pressure relief effect
小煤柱应力集中区钻孔卸压效果的数值模拟
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统
Laser has been found very efficient in drilling small holes.
人们发现激光用于小孔钻眼效率很高。
Mechanism of Small Hole Punching on Thick Blank and Study on Die Life-span;
厚钢板小孔冲裁机理及模具失效研究
Application of Air-percussive DTD Hammar in Drilling Grout Hole in Xiaoshan Power Station
风动潜孔锤在小山电站灌浆孔施工中的应用
Dynamic Effect of Pore-water Pressures in Different Patterns on Dynamic Properties of Saturated Sand;
不同类型孔隙水压力的动力效应研究
AN EFFECTIVE STRESS LAW FOR ANISOTROPIC MULTI-POROSITY MEDIA
各向异性多重孔隙介质有效应力定律
Restriction Orifice Effect in Port Plate Pair of Axial Piston Pump
轴向柱塞泵配流副短阻尼孔效应研究
Be careful and not overexert while drilling through the hole.
孔将穿透时应十分小心，不可用力过猛。
A very good small Dao,should have copper flower decoration on hilt hole.
很好的小刀,刀柄孔处应该有铜花装饰.
Apply ANSYS in Optimizing Eyelet Clearance of Punching Die;
ANSYS在小孔冲模间隙优化中的应用
Size effects of effective Young's modulus for periodic cellular materials
周期性多孔材料等效杨氏模量的尺度效应研究
Adaptive noise cancelling in small drilling hole detection
自适应串扰噪声消除技术在小孔径钻孔超声波检测中的应用
A Novel Calculation Method of the Acid Leak-off in the Acid Fracturing;
考虑酸蚀蚓孔效应的酸压滤失模型及应用
Analgesic effect of topic anesthesia on big and small pupils in cataract surgery
大小瞳孔状态下眼球表面麻醉的镇痛效果