1) double-ring laser beam
双环光束
1.
The filamentary self-focusing and spot-splitting effects are observed during the transmission of the double-ring laser beam in CS_2.
双环光束在CS2中传输时,当入射光功率密度超过140 kW/cm2时,光束产生丝状自聚焦现象,传输过程中光斑出现分裂现象;建立双环光束模型,通过数值求解非线性Schr dinger方程,得出光束在一定功率之上会产生丝状自聚焦和光斑分裂现象,并详细讨论了环形斑激光束在非线性克尔介质中的传输特性。
2) Double-circle spot laser beam
双环斑激光束
3) dual laser beam
双光束
1.
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。
2.
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。
4) Double-beam
双光束
1.
Numerical simulation of cutting glass with double-beam CO_2-laser;
采用双光束CO_2激光的玻璃切割过程数值模拟
2.
A new method of measuring liquid turbidity by double-beam transmission and modulating technique is introduced in the paper.
根据双光束透射的原理，提出了一种采用调制技术检测液体浊度的新方法，经光电转换和数字显示，使浊度检测实现了自动化、数字化，并可与微机联网实现浊度的测量、显示、记录和控制。
3.
Based on the principle of infrared absorption gas, embedded technology and differential photoelectric detection technology, a double-beam intelligent gas detection design idea was raised.
文章将光学技术、嵌入式技术、光电子技术相结合,基于红外吸收的瓦斯检测系统工作原理,研究设计了一种具有较高实用价值的双光束比对嵌入式红外瓦斯检测系统,该系统设计了两种串口通信接口,使上位机可以实时监测瓦斯浓度、对数据进行处理及进行智能预测,实现了瓦斯的监测实时化和智能化。
5) dual beam
双光束
1.
By using a technique based on integral transformations,the explicit expressions for laser induced temperature distribution function and the phase shift of the probe beam in the sample were given by Fresnel diffraction theory,the result was proved to suitable for mode-matched and mode-mismatched dual beam thermal lens.
提出了光强调制的横向双光束热透镜理论模型。
2.
To solve above problems, Narrow gap groove suitable for dual beam laser welding with filler wire in thick plates was designed and improved, reliable joint for 16mm thick 11CrNi3MnMoV was achieved using dual beam laser welding with hot filler wire, eliminating incomplete fusion and porosity.
本文针对上述问题,设计并改进了适合于厚板双光束填丝多层焊的窄间隙坡口尺寸,采用双光束热丝多层焊技术实现了16mm厚11CrNi3MnMoV低合金高强钢的可靠连接,消除了未熔合和气孔缺陷。
6) Dual-beam
双光束
1.
Investigation on dual-beam Doppler speedometer based on CO_2 lasers;
激光多普勒双光束横向测速技术研究
2.
A new type of acquisition technology based on dual-beam scanning of laser satellite communication
一种新型的双光束扫描卫星光通信捕获技术
3.
According to the study of the dual-beam speckle interferometry, the authors also present two new measuring methods, which can be used to enlarge the measurable range and to im- prove the sensitivity and accuracy of the dual-beam speckle interferometry.
文献分别介绍了作者对双光束散斑干涉法以及测试范围、双光束夹层散斑干涉法、双光束载波散斑干涉法的探讨和见解。
补充资料：双道双光束原子吸收光谱仪
分子式：
CAS号：
性质：又称双道双光束原子吸收分光光度计(dual-channel double-beam atomic absorption spectropho-tometer)，为原子吸收光谱分析用仪器。它有两个光源、两个单色器和两个检测系统，可使两束不同波长的光束(双道)同时通过原子化器，以便同时测定两种元素。双光束是指任一空心阴极灯光源的辐射分为两个光束；其一通过原子化器为测量光束；另一则绕过原子化器为参比光束。
CAS号：
性质：又称双道双光束原子吸收分光光度计(dual-channel double-beam atomic absorption spectropho-tometer)，为原子吸收光谱分析用仪器。它有两个光源、两个单色器和两个检测系统，可使两束不同波长的光束(双道)同时通过原子化器，以便同时测定两种元素。双光束是指任一空心阴极灯光源的辐射分为两个光束；其一通过原子化器为测量光束；另一则绕过原子化器为参比光束。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条