Lcd panels used on domestic electrical appliances include refrigerator , electric cooker , domestic alarming device , air - conditioner , microwave oven , industrial air conditioner , electric water heating device , vcd and dvd etc 所用液晶显示屏列入此类别的产品有：冰箱电饭煲家用报警器空调器微波炉冷气机电热水器音响vcd dvd电视机顶盒等。
For radioactive workplace and the transportation and storage of radioactive isotope , the employer should equip risk - prevention equipment and alarm devices , and ensure the employees exposed to radiation equipped with dose meter 对放射工作场所和放射性同位素的运输、贮存，用人单位必须配置防护设备和报警装置，保证接触放射线的工作人员佩戴个人剂量计。
This kind of alarming device makes use of heat - releasing infrared transducer , which can discern the special infrared rays of the human body and transform them to electrical signals , then send the signals to single chip 利用热释电红外传感器作为探头，进行非接触式远距离检测，将感测到的红外信息转换成电压信号，经过单片机处理，完成数码显示和语音报警功能，从而实现了防盗报警功能，达到了安全防护的目的。
Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor . it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor . double - way laser reverse direction sensor has been made ( anti - dust index access to 0 . 95 , while the index of the led only reach 0 . 5 around ) 本研究从器件、结构、放大电路等多方面分析了影响光电传感器抗尘性能的因素，制作了双路激光逆向直射传感器(根据本文提出的量化方案抗尘指数可达0 . 95 ，一般led光电传感器为0 . 5左右) 。
The importance of monitoring hydrogen leakage of the water tank for water - hydrogen - hydrogen cooled generator stators is illuminated , and issues about the alarm device for generator water leakage , leakage of the cooling water system for stator winding , and hydrogen leakage detecting by using the air flow meter are discussed 摘要阐述了检测水氢氢发电机定子水箱排氢量的重要性，介绍了发电机漏水报警仪、定子绕组冷却水系统的渗漏和利用气体流量表进行排氢量检漏等技术要点。
On the bridge main engine instrument board , there is main engine cooling water thermometer , lub oil pressure gauge , main engine revolution indicator , main engine emergency shutdown pushbutton , and there is audible and visual alarm device for main engine lub oil low pressure , cooling water high temperature , gear box lub oil low working pressure 本船驾驶室主机仪表板设有主机冷却水温表、滑油压力表、主机转速表、主机应急停车按钮，并具有主机滑油压力低、冷却水高温、齿轮箱滑油工作压力低的声光报警装置。
Secondly , on the base of the analyzing design characteristic , this paper presents theoretical basis according to " design specification about steel gate in water conservancy and hydropower engineering " ( thereinafter for short specification ) . it introduces module design means of hmvcad system . in the light of this means , it develops the module that can design the gate according to original data and specification automatically , the module of making the original design by user ' s experience , the module of majorized adjustment , the module of alarm device 其次，本文在分析了弧形闸门设计特点的基础上，按《水利水电工程钢闸门设计规范》 ( dl t5039 - 95 ，以下简称《规范》 )给出了设计的理论依据，介绍了hmvcad系统的模块设计方法，据此研制了能根据原始资料自动按规范设计的程序模块，以及据用户经验进行初步设计、优化调整、预警装置等功能模块。
