查询词典 nitride process

In addition, there is a standard a-Si TFT fabrication in industry which is the silicon nitride passivating and post-annealing process under 300 ~ 350℃. We try to follow this process and especially modify the processing temperature to the lower value, which is adapted to flexible substrates.

其次，在一般业界的非晶矽薄膜电晶体制程中，在完整的电晶体主结构完成后会作氮化矽保护层的覆盖动作以及300~350℃的退火处理，我们依据此标准制程并将退火温度修正为适用於软性基板的温度。

For example, use the diamond grinding tool to process the hard alloy as well as the ceramics, the agate, the optical glass, the semiconducting material, the stone material, the concretes and so on nonmetallic material and the non-ferrous metal and so on; use the cubic boron nitride grinding tool to Process the tool steel, the molding tool steel, the stainless steel, the heat-resisting alloy and so on, especially to processes high vanadium high-speed steel, may obtain satisfied processing effect.

例如，用金刚石磨具加工硬质合金以及陶瓷、玛瑙、光学玻璃、半导体材料、石材、混凝土等非金属材料和有色金属等；用立方氮化硼磨具加工工具钢、模具钢、不锈钢、耐热合金等，特别是加工高钒高速钢等黑色金属，均可获得满意的加工效果。

Microstructure-evolution of the silicon nitride ceramics sample during sintering process was investigated by a synchrotron radiation X-ray computed tomography technique. The projection images of the sample were obtained during the sintering process in real-time. 2-D and 3-D reconstructed images were obtained by treating the projection images of different sintering periods with filter back projection arithmetic and digital image processing methods.

利用同步辐射CT技术，在氮化硅陶瓷样品烧结过程中对其进行实时投影成像，并应用滤波反投影算法和数字图像处理技术，得到了样品在整个烧结过程中内部微结构演化的二维和三维重建图像，实现了对陶瓷固相烧结过程实时、无损的观测。

The mainly conclusions in our research are as flowing: tungsten trioxide powders with 100 nm primary particle are obtained by spray drying,calcination and wet milling process, and an average size of quadric particle composed of agglomerated particles is 0.64 μm; tungtsen powders with 39 nm grain size and 60 -100 nm primary particle are produced directly from previous tungsten trioxide using one step reduction in hydrogen at 700℃, and an average size of quadric particle of tungsten powder is 2.91 μm; tungsten trioxide and copper tungstate compound powders with 100 nm - 200 nm primary particle are produced using ammonia metatungsten and copper nitrate as raw materials by spray drying,calcination and wet milling process;the compound powders are transformed completely into tungsten and copper compound powders by reduction in hydrogen at 700℃,in which tungsten grain size is 59 nm and copper grain size is 51 nm; primary particle size of compound powders is 80 - 120 nm,and an average size of agglomerated quadric particle is 1.86 μm; tungsten nitride powders with 35 nm grain size are prepared from tungsten trioxide powders by nitrogen treatment thoroughly in pure ammonia at 650℃, and an average size of agglomerated quadric particle is 0.64 μm in normal temperature.

研究结果表明：采用喷雾干燥—焙烧—球磨工艺可以制备出粒度约为100nm的WO_3粉体，它们在团聚后形成的二次颗粒平均粒度为0.64μm；采用一步直接氢还原方法可在700℃下从上述WO_3粉体制备出晶粒尺寸为39nm的、一次颗粒粒度为60-100nm的W粉体，其二次颗粒的平均粒度为2.91μm；以偏钨酸铵、硝酸铜为原料，采用喷雾干燥—焙烧—球磨工艺可制备出一次粒度为100-200nm的WO_3和CuWO_4混合粉体；采用氢还原工艺可在700℃下将这种粉体完全转变为W、Cu复合粉体，其中W的平均晶粒粒尺寸为59nm，Cu的平均晶粒尺寸为51nm；复合粉体的一次颗粒尺寸为80-120nm，在常温下团聚后形成的二次平均粒度为1.86μm；采用纯氨氮化工艺可以在650℃下由WO_3粉体制得WN，其晶粒尺度为35nm，在常温下团聚后的二次平均粒度为6.4μm。

The process reuse architechure raised in the paper both support abstract process model cycle and practical process instance cycle mechanism, which can realizes dymamic improvement for both organization standard software process and practical project software process. So, the process reuse architecture provides necessary support for application of process improvement technology.

本文提出的过程复用框架同时支持抽象过程模型层面以及具体过程实例层面双重循环机制，可以实现组织标准软件过程和具体项目实例的动态改进，为CMM过程改进提供了一种具体的实施技术和方法，对过程改进技术的应用提供了必要的完善和补充。

The contents of the course include: what operating system are, what they do, how they are designed, and where they came from; a general history and explanations of computer system, and some discussion on hardware and the relation between operating system and other software; concept of process, process states and process control block, process queue, management of processes; concepts of sequent programming and parallel programming, process synchronization and its application, process communication; scheduling level and job state transition, job scheduling, process scheduling, and methods for scheduling; deadlock and its necessary conditions, deadlock prevention, control and recovery of deadlock; fixed partition, multiple partition and replacement partition memory management, swapping and overlays; page, segmentation and segmentation with paging storage management, basic concept of virtual memory management, and page, segmentation and segmentation with paging memory management.

课程的内容包括：计算机系统概述、操作系统的形成、发展、功能、特性、类型和发展趋势；操作系统的硬件环境、操作系统与其它系统软件的关系；进程的概念、进程的状态和进程控制块、进程队列、进程的管理；顺序程序设计和并行程序设计概念、进程间的同步与互斥、同步机构应用、进程间通信；调度的层次和作业状态转换，作业的调度、进程调度、调度算法；死锁问题的提出、死锁的必要条件、死锁的预防、避免、控制和恢复；固定分区、可复分区、多重分区内存管理技术以及覆盖技术和交换技术；分页域、分段域、段页域存储管理技术、虚拟存储管理的基本概念、分页域、分段域、段页域虚拟存储管理。

It presents historical demand data (1997, 2002, 2007) and forecasts for 2012 and 2017 by type (e.g., alumina, titanate, ferrite, zirconate, silicon carbide, cordierite, beryllia, silicon nitride), product (e.g., monolithics, coatings, matrix composites), process and market (e.g., electronic, electrical, industrial, transportation, chemicals and plastics, pollution control).

提供了该行业的历史需求数据（ 1997年， 2002年和2007年），并根据类型（例如，氧化铝，钛，铁，锆，碳化硅，堇青石，铍，氮化硅），产品，加工及应用市场（例如，电子，电力，工业，交通运输，化工和塑料，污染控制）预测了2012年和2017年的市场。

The composite boron nitride paint has the features of high floatability, easy maintenance and simple preparation process.

本发明的氮化硼复合涂料具有悬浮性好，易保存不易凝胶，工艺简单的特点。

To promote development of low alloy steel bearing vanadium and mitrogen,the process,conditions and products of preparing nitrided ferrovanadium and vanadium nitride are introduced on the basis of main documents.

为推动含钒氮低合金钢的发展，在查阅主要文献的基础上，重点介绍了氮化钒铁及氮化钒制备的工艺方法、条件及产品情况。

A method for the preparation of silicon nitride powder by a direct nitridation process based on fluidization technology is described.

提出了一种基于流态化技术，利用硅粉直接氮化制备氮化硅粉的新工艺。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48