查询词典 inhalation valve

Instead of straight travel valve trend Because rotary valve in many cases can replace the straight travel valve, and straight travel valve, compared rotary valve has many advantages (see Part 1 of this article).

2代替直行程阀门的趋势因为旋转阀在许多情况下可以替代直行程阀门，与直行程阀门相比，旋转阀具有许多优越性（见本文第1部分）。

The particle valve model,obstacle cell valve model as well as the body-fitted valve model representing the valve motion were established.Furthermore,a modified equation about the particle valve model was put forward.

建立了反映气门运动的粒子阻滞模型、障碍物单元模型以及贴体气门模型，并提出计算粒子阻滞的修正公式。

B. comparison of vertical and horizontal butterfly valve in the large butterfly valve, the valve shaft there is the difference between vertical and horizontal, vertical butterfly valve casing is usually deep, debris in the water easily spiral shaft, affecting Kai closed; horizontal butterfly valves for variable speed gear box in the side near the valve well on the road account for the wide flat position, influence the arrangements of other pipelines.

b。立式与卧式蝶阀的比较在中、大型蝶阀中，过滤器阀轴存在立式与卧式的区别，通常立式蝶阀的覆土较深，水中杂物容易缠绕轴端，影响启闭；卧式蝶阀的变速传动箱在侧旁，阀井在道路上占的平面位置较宽，影响安排其它管线。

In the straight-through valve, the valve parts typically include the closure components, valve seat ring, valve cage, valve stem and the stem pins.

在直通阀体里，阀内件典型地包括截流元件、阀座环、阀笼、阀杆和阀杆销钉。

LLYB1750×4600×2 Hydraulic Tire Curing PressLLB1170×1750×2g Tire Curing PressLLB1665×3340×2 Tire Curing Press MachineLLB2235×10395 Tire Curing PressAPI Gate Valve:150Lb900Lb 2''16'',Globe Valve:150Lb600Lb 2''8''Metal Seated Ball Valve Q41F PN1.64.0MPA DN25200mmWafer Butterfly Check Valve Butterfly Valve:D71F,D371F , D341H PN1.62.5MPa DN501000mm.

LLYB1750×4600×2液压轮胎硫化机LLB1170×1750×2G子午线轮胎硫化机LLB1665×3340×2子午线轮胎硫化机LLB2235×10395L轮胎硫化机API闸阀：150Lb900Lb 2''16''截止阀：150Lb600Lb 2''8''金属密封球阀Q41F PN1.64.0MPa DN25200mm对夹蝶式止回阀D71F，D371F D341H PN1.62.5MPa DN501000mm。

Main products: 316,304 various types of material cast stainless steel ball valve,(one-, two-, three-ball valve in the connecting thread, two pairs of folders flanged ball valves, three-flanged ball valves, Welded to live ball valve, butt welding ball valve, Chengcha solder ball valve) and the closing valves, check valves, Y-traps and thread connecting the various parts.

公司主要产品：316、304材质各式精铸不锈钢球阀，（一片式、二片式、三片式内螺纹连接球阀，二片对夹法兰球阀、三片式法兰球阀、活接对焊球阀、对接焊球阀、承插焊球阀），截止阀、止回阀、Y型过滤器及各种螺纹连接管配件。

Germany TOP imported pneumatic angle seat valve types: internal thread pneumatic angle seat valve, welding-type pneumatic angle seat valve, flange type pneumatic angle seat valve, clamp-type pneumatic angle seat valve.

德国TOP进口过滤器类：法兰Y型铸钢过滤器、法兰Y型不锈钢过滤器、丝口不锈钢过滤器、蒸汽过滤器、天燃气过滤器、篮式直通过滤器、T型过滤器。

The definition of a safety valve: the broad sense, including the so-called safety valve discharge valve, from a management point of view the rules, directly installed in the steam boiler or pressure vessel on a class of its necessary conditions for technical supervision departments must be approved by valves, a narrow sense, is called safety valve, the other commonly known discharge valve.

安全阀的定义：所谓安全阀广义上讲包括泄放阀，从管理规则上看，直接安装在蒸汽锅炉或一类压力容器上，其必要条件是必须得到技术监督部门认可的阀门，狭义上称之为安全阀，其他一般称之为泄放阀。

It works as shown in Figure 2b, when the work when the system is high pressure, EF mouth also in high pressure, high pressure Balance Valves unloading of oil equivalent one-way valve open and the unloading valve 3 1 contact; when the pressure exceeds the safety valve unloading having a set pressure, unloading relief valve to open, the return oil through oil path b to uninstall the spool 4, left, unloading Safety valves valve spring to overcome the spring force 5, unloading spool shifted to the right, EF population of high-pressure oil through direct discharge port T Dutch tank.

其工作原理如图2b所示，当工作系统处于高压状态时，EF口也处于高压状态，高压油打开等值卸荷单向阀3与卸荷安全阀1接触；当压力超过卸荷安全阀调定压力时，卸荷安全阀开启，其回油经油道b到卸载阀芯4左端，克服卸载阀弹簧5的弹簧力，卸载阀芯右移，EF口的高压油经T口直接卸荷油箱。

Our product line includes: Water Control Valve Series, Series of Multi-function Control Valve for Pump, Soft Sealed Gate Valve Series, Nationally Unprecedented Slot-type Valve Series, Gate Valves, Butterfly Valves, Check Valves, Globe Valves, Balancing Valves, Exhaust Valves, Mud Valves, Motorized Cock Valves, Three Ways Regulating Valves, Temperature Control Valve, Sluice Gates and etc.

生产的主导产品有：水力控制阀系列、多功能水泵控制阀系列、软密封闸阀系列、填补国内空白的沟槽式连接系列阀门、闸阀、蝶阀、止回阀、截止阀、平衡阀、排气阀、排泥阀、电动二通阀/三通调节阀、温控阀、闸门等。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。