查询词典 etching

There are two different typical treatment technologies in PCB spent etching solution in China now-cyclic regeneration end producing copper sulfate,In the paper,the technology process,resource utilization and environment infection are compared and analyzed between them.

当前我国PCB行业的废蚀刻液主要存在着两种典型的处理和处置方法：即循环再生技术与加工硫酸铜技术。

In the University's Sion Hill campus, art and design working areas include graphic design studios; electronic media workshops; studios for art, textiles and sculpture; workshops for wood, etching, lithography and silkscreen; and photography darkrooms.

在Sion Hill校区里，艺术与设计工作区包括了平面设计工作室、电子媒体工作室、艺术面料和雕塑工作室、木刻、铜版、石板和丝网印刷板画工作室，还有摄影暗房。

This Al -free 980nm pump laser have many merits, such as improved catastrophic optical damage level; no degradation due to oxidation of aluminium during fabrication process and laser operation, which is desirable characteristic for multi-step growth; lower electrical and thermal resistance with GalnP cladding; better carrier confinement with GalnAsP confinement layers; Selective chemical etching between GaAs and GalnP maks precisely control for fabrication of stripe geometry lasers.· Calculated the physical parameters of ternary and quaternary III - V compoundsby interpolation formulas based on curve fits or on a linear regression, such aslattice parameter, band gap, and refractive index.· Using luttinger-kohn Hamiltonian-based propagation-matrix method presentedby S.L.

这种无Al980nm半导体激光器可以提高激光器出现腔面损伤所需的能量，消除在生长过程和应用过程中由于Al的氧化而使激光器的使用寿命缩短的问题，便于激光器的多次生长；以GaInP为盖层可以降低电阻和热阻；可以精确的控制GaAs和GaInP之间的化学刻蚀，便于激光器几何形状的控制。

Deep reactive ion etching is one of the most convenient and popular processes in MEMS fabrications.

反应离子深刻蚀是目前MEMS加工中便捷有效的主流加工工艺之一。

Effect of acid etching on electrical performances of microchannel plat［J］.

酸蚀对微通道板电性能的影响［J］。

One of them is based on etched porous alumina and carbon-gold-carbon compound film. The alumnia film surface is composed of rows of valleys with diameter of about 300 nm, and is realized by etching porous alumina in diluted phosphorous acid.

第一种阴极采用基于多孔氧化铝和无定形碳的双层传导薄膜，其中氧化铝薄膜的表面具有横向尺寸为300 nm的特殊凹陷结构，是对常规多孔氧化铝薄膜进行腐蚀形成的。

A method of etching Micro-Grating Structures by ablating nickel plate was studied,which makes use of the interference laser of 351 nm diode-pumped solid-state laser pulses.

利用波长为351 nm的半导体抽运全固态脉冲激光器，采用双光束干涉方法，对金属镍板表面直接刻蚀形成微光栅结构的方法进行了实验研究。

The factory is a professional engaged in screen printing, etching nameplate factories.

本厂是一家专业从事丝印、蚀刻铭牌制造厂。

L Containing fingerprint neutralising agent, which prevent corrosion from finger etching.

含指纹中和剂，能防止因指纹印汗液所做成的腐蚀。

The exposed areas of metal or alloy which are not protected by the polymerised etch-resist layer are then selectively removed by chemical etching from those areas protected by the etch-resist layer.

暴露的金属或合金的地区不属于蚀刻的聚合性保护抵制层，然后有选择地去除蚀刻由保护层这些地区的抵抗化学腐蚀。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了