阀门

Based on characteristic of silicon microwaves, a new method of pneumatic pressure control is presented.

本文针对硅微控阀门的特性，提出了一种新的气体压力控制方法，设计了基于微机电硅微控阀门的气体压力控制系统，对系统的传感器调理电路、控制电路进行了设计，解决了小压力和低流量时的压力精密控制问题。

"The allowance Parts List, Code Indentification Numbers and National Stock Numbers are used by the Navy in the Parts Control Center to order replacement valves or parts for valves that are installed on board United States Navy vessels."

认可的配件清单，规定的标志编号和美国国家采购编号都是由海军配件调配中心使用，用来订购安装在美国海军船舶上，或用来更换阀门或阀门配件。

The Allowance Parts List, Code Identification Numbers and National Stock Numbers are used by the Navy in the Parts Control Center to order replacement valves or parts of valves that are installed on board United States Navy vessels.

美国海军部件控制中心采用认可部件清单，鉴定编号和美国国家库存编号来订购安装在美国海军船舶上的更换阀门或阀门部件。

Gray cast iron, needle valve For the nominal pressure pN ≤ 1.0MPa, temperature of -10 ~ 200 ℃ water, steam, air, gas and oil, and other media of gray cast iron valve.

灰铸铁制针型阀门用于公称压力 pN≤1.0MPa，温度为–10~200℃的水、蒸气、空气、煤气及油类等介质的灰铸铁制阀门。

Gray cast iron needle valve For the nominal pressure pN ≤ 1.0MPa, a temperature of -10 ~ 200 ℃ of water, steam, air, gas and oil and other media, gray cast-iron valves.

灰铸铁制针型阀门用于公称压力pN≤1.0MPa，温度为–10~200℃的水、蒸气、空气、煤气及油类等介质的灰铸铁制阀门。

Velan is one of the world's leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball, butterfly, knife gate and engineered severe service valves for critical applications in power, chemical and petrochemical, oil and gas, pulp and paper, mining, marine, cryogenic and general construction industries.

Velan是世界工业阀门行业主要的制造商之一，提供锻钢和铸钢闸阀、截止阀、止回阀、球阀、蝶阀、刀闸阀和适用于关键部位的工作强度繁重的工程阀门，适用于电力、化工和石化、油气、纸浆和造纸、矿业、船舶、低温和普通建筑行业。

Used when the valve is mounted in high or out-of-reach locations, but frequent monitoring of the valve position is required.

用于当阀门安装在高处或无法靠近的地方时，但是有需要经常观察阀门开启位置的情况。

To accommodate the large valve face diameters, the heads' valve seats are siamesed; and, taken from experience with the engines of C5-R racecars, the LS7's valve angles are held at 12 degrees - vs. 15 degrees for the LS2 - to enhance airflow through the ports.

为了适应大直径阀门面临的首长'阀座椅siamesed；以及从发动机的碳五- R的racecars的LS7的阀门角度是12度举行-对15度的搭载LS2经验，采取-加强气流通过的端口。

The main products of YUfeng include home oxygen supply serries, Oxygen inhaler series. absorbing bottle series. cut-off valve serles. pipe onnectors series.

公司主要产品现在有家庭用供养器系列，氧气吸入器系列，吸引瓶系列，截止阀系列，管路用管接头系列，氧气阀门系列，急救阀门系列，急救保健箱系列等。

The sealed part of the damaged gate or ball valve, the valve must be removed from the pipeline to be repaired or replaced, or even directly to the valve end of life.

而闸阀或球阀密封部分受损时，必须将阀门从管道上拆下才能进行维修或更换，甚至直接将阀门报废。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。