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- Connect wire to pressure differential switch. 連線(xiàn)至差速壓力開(kāi)關(guān)。
- Purpose: To test operation of pressure differential relief valve. 目的:檢測壓差安全閥的運行。
- Adjust balancing valve until pressure differential gauge reads pressure drop required for desired flow rate gpm. 調整平衡閥直到壓差表讀出壓降符合所要求的流量（加侖/分鐘）為止。
- The combined action mechanism of the pressure and pressure differential in casing damage. 油田套管損壞的壓力與壓差聯(lián)合作用機制。
- Connect hoses, vent meter and read pressure differential in accordance with instructions furnished with meter. 連接軟管,排放儀器氣體,按照儀器配置的說(shuō)明書(shū)讀出壓差值。
- If pressure differential continues to decrease (approaching "zero"), shutoff #2 is reported to be "leaking". 如果壓差繼續降低(接近"零")，則說(shuō)明關(guān)閉閥2號"泄漏"。
- Maximum pressure differential required for valves with lever actuators should not exceed the limits listed. 采用杠桿執行器要求閥門(mén)的最大壓差不能超過(guò)下表所列的極限。
- Open VB to reestablish first check valve differential pressure. Close VB. Record pressure differential. 開(kāi)啟VB，重新恢復第一止回閥的壓差。關(guān)閉VB。記錄壓差。
- Observe the pressure differential gauge. If there is a decrease in the indicated value, the No. 1 check valve is reported as "leaking". 觀(guān)察壓差表。如果讀數沒(méi)有減少,則1號止回閥報告為“泄漏”。
- Breakaway torque is the total of the torques resulting from bearing friction and seat/disc interference friction at a given pressure differential. 斷開(kāi)扭矩是軸承摩擦力和閥座;蝶板相互影響的摩擦力,在已知壓差狀態(tài)下所產(chǎn)生的扭矩和力。
- The kinetics of the thermal decomposition of ammonium perchlorate (AP) is investigated by the pressure differential thermal analysis (PDTA). 用壓力差熱分析(PDTA)研究了高氯酸銨(AP)在高壓下熱分解動(dòng)力學(xué)。
- Worse, the trigger pull at each of these stages may vary as much as 6 lbs. in pressure differential, detracting from accuracy. 在這些級數之間每一次扣動(dòng)扳機力度都不太一樣，會(huì )影響精確度，雖然對于大多數射手來(lái)說(shuō)都不明顯。
- If the water roll both sides of the eccentric regulation unsymmetry, can cause the water roller pressure differential, which side to play dirty. 如果水輥兩端的公道調度不差稱(chēng)，不離會(huì )導致水輥的不張力不平均，印版的側邊不離便當起不凈。
- It is evaluated the oxidation properties of 6 hydrogenated base stocks and 5 antioxidants by pressure differential scanning calorimetry. 用加壓差式掃描量熱儀評價(jià)了6種加氫基礎油和5種抗氧劑的氧化性能,以克拉瑪依石化公司生產(chǎn)的基礎油氧化穩定性好。
- Requirements: The pressure differential relief valve must operate to maintain the "zone" between the two check valves at least 2 psi less than the supply pressure. 要求:壓差安全閥必須運行以保持兩個(gè)止回閥之間壓差為“零”,或比供應壓力低2psi以?xún)取?/li>
- NOTE: To prevent premature valve failure it is not recommended that the valve operate in the throttled position with more than 25 ft. pressure differential. 注意：為了避免閥門(mén)過(guò)早出現故障，建議當壓降大于25英尺時(shí)閥門(mén)不要在節流位置運行。
- With the experimental data of air-water verticle annular flow, 8 pressure differential calculations such as Duns-Ros rnethode etc. are checked and evaluated. 本文以空氣-水鉛直環(huán)空流動(dòng)的實(shí)驗資料,檢驗和評價(jià)了丹斯-若斯等八種壓差計算方法。
- The cockpit door has built-in ventilation, pressure differential relief, and smoke isolation features. A cabin viewer is installed to provide a view of the cabin area. 該駕駛艙擁有內置通風(fēng)設備，壓強差閥門(mén)，煙塵隔離裝置等。且安置有艙內觀(guān)察器以提供艙內視域。
- Indicated pressure differential will decrease slightly. If pressure differential continues to decrease (until the vent opens ) the No. 2 check valve is reported as "leaking". 指示壓差將稍微下降。如果壓差繼續下降(直到排氣打開(kāi)為止),則2號止回閥報告為“泄漏”。
- The pressurization system provides the pressure differential between the cabin and ambient. 增壓系統提供客艙與外界環(huán)境之間的壓力差。
