排灌網 的英文怎麼說
中文拼音 [bèiguànwǎng]
排灌網
英文
irrigation and drainage network-
With a big flow rate, it is suitable for the use of plain river network area and hilly irrigation and drainage, piscina water supply and drainage industrial water supply and drainage
本產品流量大，適用於平原河網地區和丘陵灌區，特別適用於農田排灌、魚塘供排水及工業供排水。Based on specific characteristics of river network in duhu town of taishan city, guangdongprovince, a unsteady outflow model is established
根據廣東省臺山市都斛鎮灌排河網的特點，建立了河網非恆定出流數學模型。Abstract : based on specific characteristics of river network in duhu town of taishan city, guangdongprovince, a unsteady outflow model is established
文摘:根據廣東省臺山市都斛鎮灌排河網的特點，建立了河網非恆定出流數學模型。The international commission on irrigation and drainage ( icid ) was established on 24 june, 1950 as a scientific, technical and voluntary not - for - profit non - governmental international organization ( ngo ) with headquarters in new delhi, india
描述:這是國際灌溉與排水委員會網站，主要介紹了不同國家灌溉的發展趨勢，介紹了法國，西班牙等國家農業灌溉的高新技術。It focuses on designing and selling complete systems of ductile cast - iron pipes for drinking water, irrigation, wastewater drainage and rainwater drainage ; pipe systems for industrial general circuits ; pipe systems for fire prevention ; full ranges of valves, sprinklers and connectors for water and purification systems ; fire prevention and irrigation devices ; complete cast - iron pipe systems for building industry wastewater and rainwater drainage ; and roadworks components made of steel and ductile cast iron and steel for accessing pipe systems water supply, wastewater drainage and telecommunications
其主要業務是設計並銷售全套球墨鑄鐵管道系統，用於飲用水，灌溉，廢水排放，雨水排放工業，工業水系統，消防管網系統，水及凈水系統所需各類管件及高壓介面，消防及灌溉用各類管件，建築工業用管道系統系列廢水及雨水排放，道路工程用各類配件井蓋等。New - type water - saving irrigation equipment : complete equipment of highly efficient sprinkler irrigation and drip irrigation, sand prevention and control irrigation equipment, long - distance self - test control system of well group network in well irrigation area, key component and self - control system of water - saving irrigation equipment, microspray irrigation equipment, irrigation and drainage engineering equipment, various kinds of farm pumps, instruments and meters, and machinery of water - saving agricultural technique and agricultural engineering, etc
新型節水灌溉設備：高效噴灌和滴灌成套設備、防沙治沙灌溉設備、井灌區群井環網遠程自檢測控制系統、節水灌溉裝備關鍵部件和自控系統、微噴灌設備、灌排工程裝備、各種農用泵、儀器儀表、節水農業技術及農田水利工程機械等。Polymer networks have been produced in a variety of liquid crystal phases in cells without surface treatment. the liquid crystal / monomer mixtures are prepared using a ferroelectric liquid crystal and a diacrylate monomer. the polymerisation of the monomer is carried out by uv curing the mixture when it was kept in a specific phase which can be obtained by controlling the temperature of the ferroelectric liquid crystal. both the monomer and the polymer network will depress phase transition temperatures. the effects of the polymer network on the packing arrangement of the ferroelectric liquid crystal molecules are examined by means of optical microscopy. the molecular packing arrangement of the ferroelectric liquid crystal in a specific mesogenic phase is frozen on the formation of a polymer network in the ferroelectric liquid crystal in that phase. the existence of the diacrylate based polymer network can improve the electrooptical switching of the ferroelectric liquid crystal
在灌裝于未經表面處理的樣品盒內處于不同狀態的液晶中制備聚合體網路.液晶/單體混合物由鐵電液晶和雙丙烯酸單體製成.單體的聚合通過維持該混合物處在一定的液晶態的條件下經紫外線固化來完成.不同的液晶態可通過控制鐵電液晶的溫度來獲得.雙丙烯酸單體或聚合體網路的存在會導致鐵電液晶載體的相變溫度降低.通過光學顯微鏡可觀察聚合體網路對鐵電液晶分子組合排列的影響.結果發現:在某一液晶態中鐵電液晶分子的組合排列可被在該液晶態中聚合而成的聚合體網路所穩定，雙丙烯酸基聚合體網路的存在可改良鐵電液晶的電光開關特性Students have few chances to take part in the classroom activities and thus a new type of wrong way of teaching is formed. nowadays the most fashionable " internet teaching model " is just a copy of textbooks and teaching plans. to solve all the problems and really understand the central points of constructivism. . . science and knowledge must be constructed by the students themselves on their own initiative. we have done a comprehensive research on jianwenntiandi site based on constructivism and then done a lot of practice in chemistry teaching with the help of jianwentiandi site. during the practice, we have mainly probed into the teaching methods of scaffolding instructions, anchored instructions and random access instructions
綜述了多媒體網路輔助教學的情況，指出當前多媒體網路輔助教學存在諸多問題，如：信息技術並沒有真正與學科教學「融合」在一起；多數課件的開發，單純追求直觀和生動，忘記了作為主體存在的學生的主動性，只強調教師的「教」而忽略了學生的「學」 ，全部教學設計理論都是圍繞如何「教」而展開，很少涉及學生如何「學」的問題，學生參與教學活動的機會少，很容易進入一種「人灌+機灌」的新的課堂教學誤區；時下最為新型的「網路教學模式」 ，在教學內容選擇和安排上，也有課程「搬家」之味。分享友人