防护装置

Research on water hammer characteristics of air valves Research on water hammer characteristics of air valves has been studied in experiments by establishing mathematical model of the air valve, using suitable method of numerical calculation, and comparing the experimental outcomes with theoretical analysis.

空气阀特性研究试验研究了作为水锤防护装置的空气阀的特性，建立了空气阀数学模型，通过合适的计算方法进行数值计算，并与试验进行了比较。

Such as burning glass electric rice cookers, electric heated glass cookers, electric Niunaibei glass, glass, electric heated rice bags, glass, such as electric ovens A diagnostic radiology, with the ray protective devices, including the limited-hole plate (4), limited-hole plate (1), servo motor, with the upper limit switch (3), limit switch (7), and so on, installed in the activities Bed-shading of the ball before relying on the upper and lower limit switch servo motor control circuits and chain control, automatic transform limited-hole plate position, perspective and point of excess-ray films blocked so that patients and doctors have been reliable protection .

诸如玻璃电热烧锅、玻璃电热暖锅，玻璃电热牛奶杯、玻璃电热恒温电饭包、玻璃电热烤炉等一种放射线诊断时用的射线防护装置，包括方孔限光板（4）、圆孔限光板（1）、伺服电机、上限位开关（3）、下限位开关（7）等，装设在活动床球管遮光器前，依靠伺服电机上下限位开关及控制电路进行连锁控制，自动变换圆孔限光板的位置，将透视和点片时的多余射线遮挡住，使患者和医生都得到可靠的防护。

The collimator neutron flux is drawn from the horizontal channel by the use of SPRR-300 as a neutron resource. The convector made of 6LiFZnS and the long focus professional twilight lens with the small field of view are used, and the digitalized CCD camera is developed by the use of scientific grade CCD chip, the double thermocouple refrigeration and 14bit A/D convector. The image grabbing, processing and analyzing software of double bytes has been developed by the use of Visual C++ and C++ Builder, and the facility of anti-radiation for CCD is set up.

采用6LiFZnS材料中子转换屏、长焦距、小视场专用微光镜头等光学组件，利用科学级CCD芯片、两级热电偶制冷技术、14bit模数转换技术研制了数字CCD摄像机，采用Visula C++和C++ Builder为工具，开发了双字节图像采集处理分析软件包，并设计了成像系统辐射防护装置，构成了热中子数字成像系统。

In such circumstances, without the security guards of stamping equipment, one's hands can easily be injured.so, it is an important task for preventing the accident from happening to strengthen security protection and security management and to improve the degree of mechanization in the production of stamping.

在这种情况下，如果冲压设备和模具没有安全防护装置，就极易发生伤手事故。所以，在冲压生产中加强安全防护、安全管理和提高机械化程度，是防止事故发生的一项重要任务。

The Double Eagle brand products are exported through Beijing, Shanghai, Guangzhou, Jiangsu ,Shandong etc. Main products: a series of x-ray protected products, a series of x-ray protected device products; one-off medical plastic instrument mutilated machine, vertebrae tractor, medical bed style air cushion, medical oxygen bag, medical air cushion, food tractor etc. The medical instruments are sold all over the country.

公司生产的双鹰牌防护系列产品通过北京、上海、广州、江苏、山东等外贸批量出口，打入国际市场，主要产品有：X射线防护铅胶系列产品；X射线防护装置系列产品；一次性医用塑料器具毁形机、柔软型颈椎牵引器、医用床式气垫、医用氧气袋、医用气垫、脚踏吸引器等医疗器械产品，产品畅销全国各地。

Ii An "ice jam mechanism"(serving as a guard in the closed position) is provided, which substantially releases the normal

带有堵冰机构(在闭合位置时作为防护装置)，当该机构处于打开位置时，将静止的碎冰块释放掉，及

Safety valve is opened by the automatic import of hydrostatic pressure relief protection device, Balanced Bellows Safety Relief Valvess, Closed it is the pressure vessel, one of the most important security annex, which function is: When the container pressure exceeds a certain value, the pressure on media's own auto - Open the valve to quickly discharge a certain amount of media.

安全阀是一种由进口静压开启的自动泄压防护装置，它是压力容器最为重要的安全附件之一，它的功能是：当容器内压力超过某一定值时，依靠介质自身的压力自动开启阀门，迅速排出一定数量的介质。

Do not use broken or unguarded equipment (such as a paper cutter without a guard).

避免使用破损的设备或者没有防护装置的设备（比如没有防护装置的裁纸器）。

Machine Safeguarding Physical guards, interlocks and barriers are to be provided and properly maintained for machinery used by workers.

机器的安全防护应当为工人所使用的机械提供物理防护装置，联动装置以及屏障，幷正确地进行维护。

Well digging equipments, rock digging equipments, mining type pump ,wire rope , compressor, automobile drilling machine, anchor bolt trolley, concrete spurting machine; mining type elevating apparatus and integrated protection apparatus, elevating container, linking setting ,falling-proof setting, racing car protection setting, chain, supporting roller, belt conveyer, conveyer belt ,chain and flight machine, transshipping machine carry-scraper, excavator, automatic unloading machine and other non-track apparatus and track transporting apparatus; mining type winch, tramcar, heavy mining type transporting vehicle and various electronic weighting apparatus.

基建施工技术装备及提升、运输设备：凿井设备、凿岩设备、矿用泵、钢丝绳、压缩机、汽车钻机、锚杆台车、混凝土喷射机、矿用提升设备及综合保护装置、提升容器、连接装置、防坠器、跑车防护装置、链条、托辊、皮带运输机、输送带、刮板机、转载机、铲运机、挖掘机、自卸车等无轨设备及轨道运输设备；矿用绞车、矿车、重型矿用运输车辆及各种电子称重设备。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。