微系统

The influence of heat input on microstructure and properties of weld metal and inclusions in weld metal were also studied in depth.

本文对微合金钢焊缝金属中AF组织的相变动力学和相变热力学进行了系统的研究，同时对热输入对焊缝金属组织及性能的影响和焊缝金属中的夹杂物也进行了深入的研究。

At the same time, the theory that concerns the capillary hydraulics in micro-irrigation system neglected the velocity head is drawn on the basis of analysis.

同时，通过分析论证给出了微灌系统中的毛管水力学忽略流速水头的理论依据。

In this paper, we apply the pQCD approach to deal with the B→π,K transition form factors and in the large recoil regions.

在本文中，我们用微扰QCD方法系统地讨论了在大反冲区域， B→π，K跃迁形状因子和的性质。

This method use positive feedback control to let torsion bar self-excitation, then by measuring torsion pendulum system's nature frequency to calculate torsion bar's stiffness.

针对扭杆刚度的测量，提出了一种全新的动态测量方法─—自激动力微摆法：该方法采用正反馈使扭杆自激，通过测量扭杆扭摆系统的固有频率来计算扭杆的刚度。

Prices of spinach, tomato, eggplant and onion Saturday saw a 0.5-1.2% rise compared with the previous day, according to the national farm produce and agricultural material price quotes system.

据全国农副产品和农资价格行情系统监测，与前一日相比，26日，菠菜、西红柿、茄子和洋葱等价格涨幅在0.5-1.2%之间；食用油价格整体保持稳定；猪肉价格继续微幅上涨。

This paper introduces an advanced oil-mist lubricating manner, discusses the possibility of applying auto-oil mist lubricating to tobacco machine tools, researches the working state by comparison,and testifies to this way in saving lubricating oil,prolonging machine tools life,and improving product quality.

介绍了一种先进的油雾、油气润滑方式，探讨了对烟机切刀进行自动油雾润滑的可行性，对比研究了其润滑工况，证明采用该润滑方式可省润滑油用量，提高产品质量，延长切刀使用寿命。还简单介绍了相应的单片机控制的微油雾润滑系统的开发

This paper describes tire test module's design and implementation of the direct-type Tire Pressure Monitoring System, with Infineon\s SP12 temperature and pressure sensors, Microchip's low-power microcontrollers PIC microcontroller, Maxim\s MAX1479 RF transmitter chip as the core of the tire test module, specifically the optimized circuit connection diagram is given in this paper, and a composite tire ID positioning method is proposed.

作者单位：哈尔滨理工大学，测控技术与仪器黑龙江省高校重点实验室论文摘要：本文针对直接式汽车轮胎压力监测系统，以Infineon公司的SP12温度压力传感器，Microchip低功耗微控制器PIC系列单片机，Maxim的MAX1479射频发射芯片为核心对胎内检测模块进行了设计和实现，并具体给出优化了的电路连接框图。

To combine together, can examination arrive the car reverse the car medium, its stumbling block and car of distance, pass a LCD manifestation to hold a manifestation distance, and according to stumbling block and car tail distance far near solid hour send out to report to the police grade.

该系统将微计算机技术与超声波的测距技术、传感器技术等相结合，可检测到汽车倒车中，其障碍物与汽车的距离，通过液晶显示屏显示距离，并根据障碍物与车尾距离远近实时发出报警等级。

However, because of the natural characteristics of the micro and small hole EDM, such as weak discharge energy, high pulse power supply frequency, unstable spark discharge states and small discharge gap, etc., there are still some key technical difficulties in its machining process need to be solved: the difficulties in real-time discharge states detection, in accurate control of machining process, in prediction of discharge states, in improvement of machining system precision and in on-line preparation of micro electrode, etc.

但是由于微细及小孔电火花加工自身具有的放电能量极微、脉冲电源频率高、难以获得稳定的火花放电状态以及放电间隙极小等固有特性，决定了其加工过程仍然存在放电状态实时检测方法单一、加工过程难于准确控制、放电状态难于预测、加工系统精度提高困难和微小电极在线制备困难等关键性技术难点，亟待突破和解决。

The air damping analysis of the fence structural micromachined vibratory rate gyroscope shows that the air damping in the driving mode and the sensing mode of the device is slide film damping mainly, therefore the coefficient of damping force is comparatively little, and the quality factor of both them is close to.

栅结构微机械陀螺的空气阻尼分析表明，陀螺的驱动模态和检测模态受到的空气阻尼主要是滑膜空气阻尼，因此陀螺系统的驱动模态和检测模态的阻尼力系数较小，并且两者的品质因子接近。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。