查询词典 safety valve

OBJECTIVE: To investigate the efficacy and safety of valve replacement with partly or whole mitral valve structure for treatment of rheumatic mitral valve disease.

目的：探讨保留部分或全部二尖瓣结构的瓣膜置换治疗风湿性二尖瓣疾病的有效性和安全性。

Germany forint Valve Co., Ltd. mainly produces products are: butterfly valve, ball valve, globe valve, gate valve, check valve, regulating valve, pressure reducing valve, flame arrester, needle valves, control valves, leak valve, breathing valves, mud valves, exhaust valves, filters, bottom valves, diaphragm valves, plug valves, plunger valves, thermal valves, water control valve, balance valve, trap, solenoid valves, safety valves, electric valves, pneumatic valves, power station valves, oilfield valves, forged steel valve, stainless steel valves, ceramic valves, corrosion valves, high pressure valves, high temperature valves, chemical valves, steam valves, low pressure valves, ammonia valves used, food-specific valve, sanitary valves and other industrial-class general-purpose valve.

德国福林阀门有限公司主要生产产品有：蝶阀、球阀、截止阀、闸阀、止回阀、调节阀、减压阀、阻火器、针型阀、控制阀、放料阀、呼吸阀、排泥阀、排气阀、过滤器、底阀、隔膜阀、旋塞阀、柱塞阀、保温阀门、水利控制阀、平衡阀、疏水阀、电磁阀、安全阀、电动阀门、气动阀门、电站阀门、油田阀门、锻钢阀门、不锈钢阀门、陶瓷阀门、防腐阀门、高压阀门、高温阀门、化工阀门、蒸汽阀门、低压阀门、氨用阀门、食品专用阀、卫生级阀门等工业上通用的阀门。

Media Help Everyday we are exposed to the steam often divided into two, one, the boiler steam - saturated steam 2, thermal power plants out of steam - superheated steam 1, a relatively stable temperature and pressure saturated steam, temperature lower than 250 ℃, working pressure lower than 1.6Mpa 2, superheated steam temperature and pressure changes of a high base temperature up to 400 ℃, working pressure is lower than 4.0Mpa For the first steam, we usually use soft sealing steam solenoid valve as follows: Structural characteristics This valve is a valve and Balance valves main valve by the two vice components with the second open valve Pilot solenoid valve Heat: electromagnetic part, some with special high temperature seals and sealing materials, electrical materials, and apply a variety of insulation measures Wear: selection and reasonable Globe Valves guidance suite valve cup and clever use of fluid lubrication, reduce wear, increase life expectancy Resistance to condensation: condensation of steam pipeline valve on the steam water is an important factor in action, the valve will not affect the condensation water Other uses - soft sealing steam solenoid valve This series solenoid valve can Safety valves be widely used in textile, printing, chemicals, plastics, rubber, pharmaceutical, food, building materials, machinery, electronics, surface treatment and research sectors and bathroom, dining room, air conditioning automatic control system.

介质说明日常生活中我们接触到的蒸汽常分为两种，1、锅炉蒸汽-饱和蒸汽 2、热电厂出来的蒸汽-过热蒸汽 1、饱和蒸汽温度压力相对稳定，电动阀门执行器温度低于250℃，工作压力低于1.6Mpa 2、过热蒸汽温度压力变化基数较大温度最高可达400℃以上，工作压力则低于4.0Mpa 对于第一种蒸汽，我们通常会选用氧气专用阀、铜阀门软密封的蒸汽电磁阀如下：结构特点本阀是由副阀和主阀两大部件构成的先导式二次开阀的电磁阀耐热：电磁部分、密封件部分用特种耐高温电工材料和密封材料，并应用了各种隔热措施耐磨：选材合理，电站阀门阀杯和导向套间巧妙地利用流体的润滑作用，减少磨损，提高寿命耐冷凝：蒸汽管道的冷凝水是影响蒸汽电磁阀动作的重要因素，本阀则不受冷凝水影响其他用途-软密封蒸汽电磁阀本系列电磁阀还可广泛地应用平衡阀纺织、印刷、化工、塑料、橡胶、制药、食品、建材、机械、电器、表面处理和科研部门以及浴室、食堂、空调等自控系统。

Thai mainly producing all kinds of forged steel valves, cast steel valves, including valve type (flat gate valve, knife-shaped gate valve), valve, check valve, ball valve, cryogenic valve, regulating valve (electric valve, pneumatic control valve), power station valve, slurry valve, butterfly valve, throttle, guided showering valve, traps, needle valves, safety valves, breathing valve valve series products.

泰通阀门主要生产各种锻钢、铸钢类阀门包括闸阀、截止阀、止回阀、球阀、低温阀、调节阀（电动调节阀，气动调节阀）、电站阀、浆液阀、蝶阀、节流阀、导淋阀、疏水阀、针型阀、安全阀、呼吸阀等系列阀门产品。

Equipment Department of the valve device integrated management: including the ledger set up, the valve procurement, warehousing inspection, transfer and retirement, etc.; water supply valve control center for Safety valves the pipeline network technology management: including the identification of technical standards, the establishment of the valve file cards, valve selection, construction and acceptance; the water plant, branch within the jurisdiction of valves, maintenance and repair, management Plug Valves responsibility for the work unit; valve testing center is testing the functions of the valve unit .

公司设备部为阀门设备综合管理部门：包括台帐建立、阀门采购、入库验收、调拨及报废等工作；供水调度中心为管网阀门技术管理部门：包括确定技术标准、气动调节阀建立阀门档案卡、阀门选型、施工及验收等；各水厂、分公司为所辖范围内阀门的使用、保养和维修、管理等工作的责任单位；阀门检测中心水力控制阀是阀门检测职能单位。

Safeguard clause is the Safety Valve for maintaining the stability of multilateral trade system.

保障条款是GATT第19条和WTO《保障措施协定》为维持多边贸易体系的稳定而设立的&安全阀&。

The shell is made of seamless steel pipe (also can be formed by steel plate roll welding), thermal oil inlet adapter, thermal oil outlet adapter, safety valve base, discharge and etc. are welded on the shell.

壳体是无缝钢管，壳体上焊有热油进、出口接管、安全阀座、压力表座、放泄口等附加零件。

Tetrafluoroethylene pads, packing seals, scraping the oil ring, the safety valve, pump , Impeller and other products, and to accept non-standard products customized!

垫、密封填料、刮油环、安全阀、油泵、叶轮等产品，并接受非标产品定做！

The formula of the critical pressure ratio for safety valve is proposed.

提出了一种由喷管临界压力比确定安全阀临界压力比的计算公式。

F.O. circulating pump safety valve.

燃油循环泵安全阀

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。