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forced draught (鍋爐等的)鼓風,壓力通風。

forced landing

By linear regression analyzing of the concentration of plankton microbe and settling microbe , we get the relationship between plankton microbe , settling microbe and air exchange rate , which reflect the randomness of bacterium in dynamic state . controlling the pressure difference effectively by adjusting forced draught blower and exhaust blower . comparing the jet fluid of different supply - air outlet , the diffuse pore plate is suit to assembling cleanroom 通過對測得不同換氣次數下裝配式潔凈室室內的浮游菌濃度和沉降菌濃度的一元線性回歸分析得出浮游菌濃度和換氣次數的關系、沉降菌濃度和換氣次數的關系以及浮游菌和沉降菌之間的關系,反映了動態情況下,細菌運動的隨機性。

Heating boilers - heating boilers with forced draught burners - heating boilers with forced draught burners - special requirements for boilers with forced draught oil burners with outputs up to 70 kw and a maximum operating pressure of 3 bar - terminology , special requirements , testing and marking 供暖鍋爐.帶強制通風燃燒器的供暖鍋爐.最大操作壓力3巴最高輸出達70kw的帶強制通風燃油器的鍋爐的特殊要求.術語特殊要求試驗和標記

Heating boilers . part 4 : heating boilers with forced draught burners . special requirements for boilers with forced draught oil burners with outputs up to 70 kw and a maximum operating pressure of 3 bar . terminology , special requirements , testing and marking 供暖鍋爐.第4部分:有強制送風燃燒器的供暖鍋爐.輸出功率在70kw以下最大工作壓力為3巴的帶強制通風燃燒器的供暖鍋爐的特定要求.術語特定要求試驗和標記

Heating boilers - part 6 : heating boilers with forced draught burners - specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kw 供暖鍋爐.第6部分:帶有強制通風燃燒器的供暖鍋爐.帶有公稱熱輸入功率不超過70kv的自動燃油燃燒器的組合鍋爐家用熱水供暖操作的特定要求

Heating boilers - heating boilers with forced draught burners - specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kw 供暖鍋爐.帶強制通風燃燒嘴器的供暖鍋爐.標稱熱輸入量不超過70kw的用霧化油燃燒爐的組合式鍋爐的家用熱水供熱特定要求

Heating boilers - heating boilers with forced draught burners - heating boilers for solid fuels , hand and automatically fired , nominal heat output of up to 300 kw - terminology , requirements , testing and marking 供暖鍋爐.帶強制通風燃燒器的供暖鍋爐.固體燃料人工和自動點火額定熱輸出不大于300kw的供暖鍋爐.術語要求試驗和標記

Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances . part 2 : particular requirements for forced draught convection heaters 測定家用和類似電器發出的空氣傳播的噪聲的試驗規程.第2部分:對送風式對流電暖爐的特殊要求

Test code for the determinaiton of airborne acoustical noise emitted by household and similar electrical appliances . part 2 : particular requirements for forced draught convection heaters 家用和類似電器排放的氣載噪聲測定的試驗規程.第2部分:強制通風對流式加熱器的特殊要求

Heating boilers - part 2 : heating boilers with forced draught burners ; special requirements for boilers with atomizing oil burners includes amendment a1 : 2003 ; german version en 303 - 2 : 1998 a1 : 2003 采暖鍋爐.第2部分:帶強制通風燃燒器的采暖鍋爐.帶霧

Heating boilers - part 1 : heating boilers with forced draught burners ; terminology , general requirements , testing and marking includes amendment a1 : 2003 ; german version din en 303 - 1 : 1999 a1 : 2003 采暖鍋爐.第1部分:帶強制通風燃燒器的采暖鍋爐.術語

Test code for the determination of airborne acoustical noise emitted by household and similar electrical appliances - particular requirements - forced draught convection heaters 家用和類似電器氣載噪聲測試規程.真空吸塵器專門要求

Heating boilers - heating boilers with forced draught burners - nominal heat output not exceeding 10 mw and maximum operating temperature of 110 c ; german version en 14394 : 2005 采暖鍋爐.帶強制通風燃燒器的采暖鍋爐.標稱熱輸出不超

Heating boilers - heating boilers with forced draught burners - nominal heat output not exceeding 10 mw and maximum operating temperature of 110 ? c 采暖鍋爐.帶強制通風燃燒器的采暖鍋爐.標稱熱輸出不超10mw和最大工作溫度為110

Heating boilers - part 2 : heating boilers with forced draught burners - special requirements for boilers with atomizing oil burners 供暖鍋爐.第2部分:有強制通風式燃燒器的供暖鍋爐.有霧化油燃燒器的鍋爐的特殊要求

Heating boilers . part 2 : heating boilers with forced draught burners . special requirements for boilers with atomizing oil burners 供暖鍋爐.第2部分:強制送風噴嘴式供暖鍋爐.帶霧化油燃燒器的供暖鍋爐的特定要求

Heating boilers - part 1 : heating boilers with forced draught burners - terminology , general requirements , testing and marking 供暖鍋爐.第1部分:有強制通風式燃燒器的供暖鍋爐.術語一般要求試驗和標記

Heating boilers . part 1 : heating boilers with forced draught burners . terminology , general requirements , testing and marking 供暖鍋爐.第1部分:帶強制送風燃燒器的供暖鍋爐.術語一般要求試驗和標記

Heating boilers - heating boilers with forced draught burners - special requirements for boilers with atomizing oil burners 采暖鍋爐.強制通風式燃燒器的采暖鍋爐.第2部分:霧化油燃燒器鍋爐的特殊要求

Heating boilers . part 3 : gas - fired central heating boilers . assembly comprising a boiler and a forced draught burner 供暖鍋爐.第3部分:燃燒氣體的集中供暖鍋爐.鍋爐和強制送風燃燒器組合設備