backflow preventer with shut-off device.

• 1. 一种防回流装置及具有该防回流装置的散热装置 [P] . 中国专利： CN105700651B . 2019.02.05
• 2. 防回流装置及具有该防回流装置的散热装置和电子设备 [P] . 中国专利： CN103857259B . 2017.02.22
• 3. BACKFLOW PREVENTER APPARATUS AND METHOD WITH INTEGRATION OF SHUT-OFF VALVES [P] . CA2407422C . 2007-11-06

  机译： 带截止阀集成的逆流式预防装置和方法

• 4. BACKFLOW PREVENTER APPARATUS AND METHOD WITH INTEGRATION OF SHUT-OFF VALVES [P] . 欧洲知识产权局专利： EP1281015B1 . 2007-08-01

  机译： 带截止阀集成的逆流式预防装置和方法

• 5. BACKFLOW PREVENTER APPARATUS AND METHOD WITH INTEGRATION OF SHUT-OFF VALVES [P] . IL152487B . 2005-09-25

  机译： 带截止阀集成的逆流式预防装置和方法

• 1. Backflow of Migrant Workers in Urbanization: Place Selection and Influencing Factors [J] . Xuedong LI, Liang ZHAO 亚洲农业研究：英文版 . 2016,第003期
• 2. Leak-off behavior and water shut-off performance of a polymer/chromium (Cr3+) gel in fractured media [J] . LI Jun-jian, XIONG Chun-ming, BAI Ying-rui, 中南大学学报（英文版） . 2017,第006期
• 3. Solid State Electrolytes Capable of Preventing Backflow in Raw Water Management of Thermal Power Plants and its Own Method of Manufacturing pH Combination Electrode [C] . Juhyeong Kil International Conference on Green Design and Manufacture . 2019
• 4. Beyond host shut-off: Identification of a novel role for the virion host shut-off (vhs) protein of herpes simplex virus type 1 (HSV-1) in immune evasion [D] . Cotter, Christopher 2011
• 5. A simple intracranial needle guide for preventing backflow of injectant. [O] . P D Kottler, R E Bowman 1968
• 6. NUPRO Process Vent and MCO Check Valve Prevent Backflow from Process Vent into MCO [O] . MISKA, C.R. 2000

• 1. A Comparative Study of Process Parameter Optimization and Process of Flavonoid in Planted Trollius Chinensis through Backflow Method, Ultrasonic Wave Method and MicrowaveMethod [J] . Yongfeng Liang . International Journal of Technology Management . 2014,第007期
• 2. Pressure pulsation in stages of electric submersible pump at shut-off under various speeds [J] . DHANASEKARAN Arumugam ,KUMARASWAMY Sivasailam . 排灌机械工程学报 . 2020,第007期
• 3. Leak-off behavior and water shut-off performance of a polymer/chromium (Cr3+) gel in fractured media [J] . 李俊键1 ,熊春明2 ,白英睿2 . 中南大学学报 . 2017,第006期
• 4. 供水系统管道防回流装置探讨 [C] . 崔锦聚 . 2006城市给排水管网建设、运营及管理研讨会 . 2006
• 5. 带串联电容补偿装置的供电臂故障测距装置设计 [A] . 赵永亮 . 2017