逆旋進 的英文怎麼說
中文拼音 [nìxuánjìn]
逆旋進
英文
backward prece ion-
This thesis will put forward a new design project that aimed at discussing the packing sets of natural - draft counter - flow dry cooling tower, which is the research and application of the spray nozzle. the content mainly includes the experimental study of the application of the jnx - 01 spray nozzle in cooling tower, as well as the heating calculation
本文將針對自然通風逆流濕冷式冷卻塔中影響效率較大的淋水裝置提出設計改進方案,即旋轉式噴濺裝置的研究與應用,內容主要包括jnx - 01型節能旋轉式噴濺裝置及旋轉濺水碟式噴頭在冷卻塔上應用情況的試驗研究及熱力計算。Abstract : the mathematical model of reverse - rotary til ler was derived on the basis of relationship between design parameters ( includin g geometric parameters and motive parameters ) and power consumption
文摘:該文對潛土逆轉旋耕機刀片的切削過程進行了受力分析,建立了同時含有兩種設計參數(刀片的幾何參數和旋耕機的基本速度參數)的功耗模型。What is new is the application, which by an inversion of the energy flow in its operation, turns the archimedes screw trough pump into a power generator for the extraction of energy
水力螺旋發電機的獨到之處在於對水流能量進行逆向利用,把阿基米德螺旋泵轉變成一個可以從水流中提取能量的發電機。Inspect the disc rubber and clean or replace if required. the disc can be removed by screwing the white washer counterclockwise
檢查閥瓣橡膠,如果需要,則進行清洗或更換。通過逆時針方向旋轉白色墊圈螺紋就可以拆卸閥瓣。The check assemblies are threaded into the body. to remove the first check assembly, rotate the check module by hand counterclockwise
這種止回閥總成是通過螺紋旋進閥體的。為了拆卸第一止回閥總成,要用手逆時針方向旋轉止回閥模塊。The blast furnace is a heat exchanger and also an oxygen exchanger of the gas and row, there are many physical and chemical changes in it. it is not very reasonable to develop a model only consider the statistics relations
但高爐是從風口迴旋區到料線的氣固逆流熱交換器;也是從軟熔帶到料線的逆流氧化交換器,其內進行著非常復雜的物理和化學反應。The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back
勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆變開關器件,輸出交流脈沖勵磁信號,以調節勵磁轉換頻率和勵磁電流大小為手段,實現對磁場旋轉頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆流控制。Switch on the ignition, close the choke and suck gas into the intake of the carburetor by flipping the propeller over counter - clockwise
打開點火系統電源,關閉阻氣閥逆時針撥動螺旋槳讓油進入化油器。In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles
本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況,並分析了現有噴霧乾燥裝置設計方面的優缺點,運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識,綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等,提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究,其主要內容包括: ( 1 )本文創造性地設計出旋流式組合壓力噴嘴的基本結構,並通過對料液的物化特性研究分析以及顆粒度的分佈要求,給出了噴嘴的不同結構設計參數。The characteristics of pressure drop of wire packing rotating packed bed absorber in air independent propulsion ( aip ) system are analyzed under counter - current condition and the model of pressure drop is built
摘要對不依賴空氣動力裝置( aip )系統不銹鋼波紋絲網填料旋轉床吸收器在氣液兩相逆流條件下的氣相壓力降特性進行了分析,建立了壓力降預報理論模型。分享友人