sprinkler main 中文意思是什麼
sprinkler main
解釋
噴水干管-
The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested. the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation, spray irrigation and drip irrigation. ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation will be produced, 37
本項目的研究內容主要包括變頻調速裝置在管灌、微噴以及大棚滴灌中的節能效果、變頻調速裝置對微噴和大棚滴灌均勻度的影響以及變頻調速裝置在管灌中進行「恆量變壓」變頻運行試驗等，同時，對微噴頭與中smm低壓插入式滴灌帶的灌溉均勻度隨壓力變化情況進行一r試驗研究。 -
Main products are as follows : sanitary ware sprinkler series, alloy sprinkler, stainless steel sprinkler, plastic plating sprinkler, toilet brush series ; paper holder, oil bottle stopper ( stainless steel with natural cork, synthesizing cork and plastic stopper ), sealable tank iron ring, gum ring, plastic cover series, hanging dish holder ( big & small ) series ; alloy, stainless steel, plastic fruit dish hanger series ; alloy jewelry ring series ; wood dinnerware, eggbeater, wood pi, wood spoon series ; coin can castor basal plug, water jar tap and magnet etc fittings that ceramics need
主要產品：潔具噴頭系列、合金噴頭、不銹鋼噴頭、塑料電鍍噴頭、馬桶刷系列；紙巾架、油瓶塞系列（不銹鋼帶天然軟木塞、合成軟木塞、塑膠塞） 、密封罐鐵圈、膠圈、塑料蓋系列、掛盤架（大小）系列；合金、不銹鋼、塑料水果盤吊架系列；合金首飾圈系列、木餐具、打蛋器、木批、木匙系列;錢簡罐味具底塞系列、冷水瓶水龍頭、磁鐵等陶瓷所需系列配件。 -
Based on the empirical equations used for calculating the cost of main and distribution pipes of gravity sprinkler irrigation project, equations for calculating. 4. economical hydraulic gradient, pipe length and the minimum cost of the main pipe were derived through theoretical analysis and mathematical transformation
3 .在建立的自壓噴灌工程主幹管和配水管道的造價計算經驗公式基礎上，通過理論分析和數學變換，推導得出了自壓噴灌主幹管經濟水力坡度、經濟管長和最低造價計算公式。 -
( 2 ) in this paper, the author summarized the working principle, the superiority and the limitations of a few main kinds of classical sprinkler systems ; put emphasis on the importance of a few key points which is relevant to the function of the system, such as the choosing of sprinkler and it ' s fixing, the automatic checking function of water pump, the layout of alarm valve, especially the choosing of sprinkler and it ' s fixing ; looked through the feasibility of which we used water instead of gas by water mist especially finely divided water mist fire - extinguishing technique
展望了水噴霧技術特別是細水霧技術進行以水代氣滅火的可行性。 （ 3 ）針對工程設計中最復雜，工作量最大的部分-系統水力計算部分，在規范的基礎上，基於excel電子表格，提出了經濟流速的范圍，提供了一套行之有效的設計計算方法，同時，對屋頂水箱和增壓泵的設置這一難以解決的問題發表了見解，既確保了自動噴水滅火系統初期快速滅火、控火的性能，又節省了大量的設計工作時間。 -
This paper talks about the characteristics of metro stations, the main points in designing the sprinkler systems, including the delimitation of the defined fire areas, the calculation of rational water power and the arrangement of sprinklers in subway stations
結合地鐵車站的特點，提出了自動噴水滅火系統的設計要點：自噴系統的火災指示區的劃分，合理的水力計算，噴頭的布置等。 -
This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )
本文主要對聚丙烯腈（ pan ）二甲基甲酰胺（ dmf ） 、 pan二甲基已酰胺（ dmac ）體系進行電紡絲，調節靜電壓（ 20 50kv ） 、噴頭孔徑（ 0 . 5 0 . 8mm ） 、接收距離（ 15 25cm ） 、溶液濃度（ 6wt 14wt ）等過程參數，制得pan納米纖維，纖維平均直徑在200 1000nm ；詳細分析了過程參數對纖維細度、形態等的影響，認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響，其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。 -
Fuzzy linear programming model for optimal design of main pipeline network in pump pressurized sprinkler irrigation system
機壓噴灌干管管網優化的模糊線性規劃法 -
Must have experience managing fire main systems & associated pumps, sprinkler systems and equipment, with knowledge of fire, pressure vessel, electrical codes and occupational safety codes
懂得消防、壓力器，電學和保險裝置原理，必須有消防用水管系統和配套泵，自動噴淋系統的操作經驗。 -
The main reasons for the growth in drip irrigation are the advantages, which it offers over sprinkler and certain conventional forms of surface irrigation
滴灌是當今世界最先進的灌水技術之一，同傳統灌水方式比較具有節水、高產、優質的優點。 -
Model 07 - s should be installed at the fire sprinkler service connection to the main line
型號07 - s應該安裝在連接到主管道的消防噴淋系統處。 -
Installed at the residential fire sprinkler service connection to the main, series 07s dual check backflow preventers protect the water supply against polluted water being siphoned back from the sprinkler system
安裝在住宅消防噴淋頭與主管道連接處，系列07s雙止回防迴流閥保護水供應系統不會受到從噴淋系統中虹吸回來的污染水的污染。
分享友人