Microstructure and mechanical properties of twin spot laser welding of 5052 aluminum;
5052铝合金双光点激光焊接组织与性能
Single spot laser and twin spot laser welding of aluminum alloy,with or without wire feeding,were carried out.
对铝合金薄板激光单光点和双光点焊接(包括不填丝和填丝)的焊缝成形、对接间隙和准直度容许裕度以及气孔状况进行了比较,并分析了双光点能量分布的激光对铝合金焊接的影响。
Measurement of birefringence of a single axis crystal varying with temperature based on double light paths;
单轴晶体双折射率随温度变化的双光路测量
We in detail presented the high accurate measurement of double light path.
着重叙述了高精度双光路测量法。
The experiments of single and dual laser beam brazing were carried out,in which the base metal is galvanized steel sheets and CuSi3 is used as filler metal.
以镀锌钢板为母材,以CuSi3焊丝为钎料,进行了单、双光束激光钎焊实验。
The experiments of dual laser beam brazing of galvanized steel sheets with automatic wire feeding were carried out,in which CuSi3 was used as filler metal.
以CO2激光为热源,镀锌钢板为母材,CuSi3焊丝为钎料,进行了双光束激光自动填丝钎焊工艺试验。
Synthesis of a novel organic ligand with two-photon activity;
一种具有双光子活性的新型有机配体的合成
Influence of refractive index mismatch on data bit in two-photon three-dimensional data storage;
折射率失配对双光子三维信息存储中信息点的影响
Evolution of atom entropy in a moving cascade three-level atom in a two-photon process;
运动级联型三能级原子双光子过程的熵演化