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direct metal mask 直接金属掩模
On this basis a new method for fabricating polyimide ridge waveguides by photobleaching technique and using metal mask is proposed. 并在此基础上，提出了以金属掩模，利用光漂白技术制备聚酰亚胺脊型光波导的新方法。
A series of experiments were carried out with direct metal laser sintering (DMLS) for the 316 stainless steel powders. 摘要采用直接金属激光烧结的方法，对316不锈钢粉末进行了一系列烧结实验。
Direct metal forming based on plasma arc welding is a novel rapid prototyping process. 摘要基于等离子弧焊的直接金属成形方法是一种新型的快速成形工艺。
A series of experiments were carried out on Direct Metal Laser Sintering(DMLS) of 316 stainless steel powder. 采用直接金属激光烧结的方法,对316不锈钢粉末进行了一系列激光烧结实验。
Spheroidization is an extraordinary adverse factor for direct metal laser sintering of metal powder. 在金属粉末直接激光烧结成形时,球化效应是一个非常不利的因素。
The principle, hardware system and software system of laser direct metal deposition(DMD) formation technology were introduced. 阐述了激光直接金属堆积成形技术的原理、硬件系统和软件系统。
In order to modify the defect of metal mask, we propose to use TMAH anisotropic wet etching process to fabricate thin silicon shadow masks. 为了改善金属遮罩的缺点，我们使用非等向湿蚀刻的方式用(100)矽晶片制作矽材料蒸镀遮罩。
Sintering mechanism of the single-component/multi-component metal powders and the pre-alloyed powders during Direct Metal Laser Sintering (DMLS) process were analyzed. 摘要分析了直接金属粉末激光烧结中单组元金属粉末、多组元金属粉末和预合金粉末的烧结成形机制；
Spheroidization is an extraordinary adverse factor for direct metal laser sintering of metal powder.316L stainless steel powder had been adopted in this sintering test. 在金属粉末直接激光烧结成形时,球化效应是一个非常不利的因素。
In addition, the unique characteristic of the sealant polymer facilitates sealing through contamination with a very wide operating window, while providing the potential for direct metal detection. 此外，该独特的特点，该密封胶聚合物有利于密封，通过污染的一个非常广泛的操作窗口，而提供的潜力直接金属探测。
She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
direct metal laser sintering (DMLS) DMLS
I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
He has chosen the most direct route. 他选取了最直的路线。
She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
See that direct heat does not play on it. 当心别让它直接受热。
It's a long way by road the train is more direct. 走公路很远--乘火车近。