流道直徑 的英文怎麼說

中文拼音 [liúdàozhíjìng]
流道直徑 英文
flow diameter
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 直徑 : diameter; diam
  1. While if pulse laser ablation is applied, the output of mixed target is obviously more than that of plumbago target. the carbon nanotubes prepared by nano - tungsten catalyzer are very straight without any bent and their diameters are under 10nm. it is worth to pay more attention and need to study further

    其中以鎢作為催化劑原料與石墨混合製成固體靶，蒸餾水作為流動相時，得到的納米纖維狀產物直徑不到10nm ，而且形狀筆直，值得關注，目前國內外尚無以鎢作為催化劑成功制備納米一維碳材料的報道，因此該研究具有嶄新而廣闊的研究前景。
  2. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流，沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高，沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后，射流沖擊冷卻的范圍變窄，當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流，孔排間距與直徑比的增加使沖擊冷卻范圍變大，但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下，後排射流的沖擊換熱效果要遜於前排射流。
  3. The analysis shows that : ( 1 ) straight pe pipe ' s current ability is 15 % - 21 % higher than steel pipe on same inner pathway basis. but it ' s another story based on same outer diameter. we must displace the steel pipe with pe pipe with careful calculation

    聚乙烯燃氣管道工程技術特點的分析表明： （ 1 ）同等內徑下直管段聚乙烯管比鋼管流通能力大15至21左右，但同等外徑下聚乙烯管的流通能力不一定比鋼管大，需要計算確定，不能盲目以相同外徑的聚乙烯管匹配鋼管。
  4. The ultra amusing ultra q remote control sweeps clear the vehicle, 1 to 8 proportions, 8 channels entire directions remote control, when advance backlash on the automobile body work lantern festival glitters, is concurrent music, the careful design remote control conforms to the kinesiology, the unique double throwout lever remote control way, on about remote control two throwout levers each control two powers wheels, slightly cause the vehicle the radius of turn to be more nimble, and marches forward when the vehicle simultaneously opens sweeps the plate to sweep clear and to turn fights controls remotely into the reality, sweeps the plate starts when also can send out delightful music, sweeps the plate also to be able control during rotation rocks, behind in the automobile body work theater box puts has continuously may skid and may open the cover the trash can, the trash can also may take out, turns fights may independently control remotely, the handling room vehicle door may start, the remote control is away from in the city surpasses 30 meters, the spacious area may achieve above 50 meters, holds controls nimbly is convenient, the luminous automobile body paint surface, works first - class, the use industry packs the ni - cd battery to take the power supply, may repeatedly charge 300 above time

    超好玩超q的遙控清掃車， 1比8比例， 8通道全方向遙控，前進後退時車身上的工作燈會閃爍，並發出音樂聲，精心設計的遙控器符合人體工學，獨特的雙推桿遙控方式，遙控器上的兩個推桿各控制左右兩個動力輪，使得車的轉彎半徑更小更靈活，並且在車行進時同時開啟掃盤清掃和翻斗遙控成為現實，掃盤啟動時也會發出悅耳的音樂聲，掃盤在轉動的同時還會左右晃動，車身後部的工作廂內放有一直可滑動並可開啟蓋子的垃圾桶，垃圾桶還可以取出，翻斗可以獨立遙控，操作室車門可開，遙控距離在城市中超過30米，空曠地區更可達到50米以上，操控靈活方便，光亮的車身漆面，做工一流，使用工業包裝ni - cd電池組作為動力源，可反復充電300次以上。
  5. Install 5 pipe diameters minimum downstream from pump discharge or elbows to avoid flow turbulence. flow straighteners may be required in extreme cases

    安裝在距離泵排泄口或彎管下游至少5倍管道直徑的地方，以避免產生水流擾動。在極端情況下，可能需要流向矯直裝置。
  6. Tai mo shan, hong kong s highest point, has an arresting aura ; the sheer slopes of needle hill and grassy hill, albeit lesser in height, are equally compelling ; the green trail that meanders deep into tai po kau opens up a secret world of abundant wildlife ; while the wooded shing mun valley, with its placid reservoir, never fails to charm. to complement all this are forest streams, gullies, and ravines, offset by rushing cascades that shoot down from great heights. every piece of this lovely country has its own magic

    高度列于全港之冠的大帽山固然氣勢非凡，針山草山的峻峭挺拔也毫不遜色大埔?曲徑通幽之處，總是生機盎然城門夾道林蔭，碧水粼粼尚有無數的樹林溪谷，丘壑間飛流直瀉的壯麗瀑布，各自蘊藏著精彩的野趣，教人目不暇給再加上四季變化多端的色彩，入目所見，盡是一幅幅最精緻動人的風景畫。
  7. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。
  8. The whole project comprised the building of the dam, a 2, 428 - yard tunnel driven through the wong nai chung gap valley and a 5, 500 - yard brick and stone aqueduct to connect the reservoir with the storage tank and filter beds at albany road. each day the volume of water being conveyed reached 7 million gallons. the 6 filter beds of the project were situated on the eastern side of the albany nullah ; measuring 3, 245 sq

    除水壩外，其他配套的工程包括： （一）一條長達2 ， 428碼、貫穿黃泥涌峽谷的隧道； （二）一條長5 ， 500碼的引水道，可連接水塘隧道的亞賓尼濾水池及配水庫，該引水道用石及磚砌成，每天可輸水700萬加侖； （三）位於亞賓尼水渠東部的六個過濾池，該濾水系統面積廣達3 ， 245平方碼，深30尺，每天可過濾570萬加侖水，原水過濾后，經一條直徑18寸鐵水管，流入花園道與寶雲道交界的配水庫。
  9. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定
  10. The deposition rate of aerosol particles in capillary tube was measured with submicrometer monodisperse polystyrene spheres solid aerosol particles and pulse sample inserting technique ; and studies were made on the relationship between the flow velocity, the tube diameter, the tube length and aerosol particles size

    摘要採用亞微米單分散聚苯乙烯球形硬氣溶膠粒子和脈沖進樣技術，測定了氣溶膠粒子在管道中的沈積率，研究了沈積率與流體速度、管道長度、管道直徑和氣溶膠粒子大小之間的關系。
  11. Standard ( conventional ) port balls are up to one pipe size smaller than nominal pipe size, but still have significantly better flow than globe valves

    標準（常規）流道球閥用於管道直徑比管道公稱通徑小的管道，但是其流通能力仍然比截止閥好得多。
  12. Certain discrepancy remain between the simulation results and the experiment results, not only caused by the turbulent model, but also by the simplification of the inlet boundary condition and the mesh generation. modeling gas - particles interaction flows is complex. in this thesis, gas - phase transport equations coupled with the gas - particle interaction are derived based on the dsm turbulent models to handle the interaction of momentum and kinetic energy of turbulence between the gas and particles

    分離器內的固體顆粒運動採用涉及湍流擴散影響的隨機軌道模型和確定軌道模型，同時在湍流模型中加入了顆粒影響的源項，在流場計算的基礎上，模擬了不同直徑的顆粒在分離器內的運動規律及顆粒分離效率，並同理論和實驗得到的數據進行了比較。
  13. Full - bore : full - bore straight - through type with connection between valve and pipeline or straight pipe, equal sectional area and " 0 " loss of flow

    全通徑：全通徑直通式，閥門與管道或直管連接相通，截面積相等，流量損失為「 0 」 。
  14. Use the similitude theory the author calculated uncompress fluid flowing in the stationary diameter pipeline, carrying on dimensional analysis and similitude theory counts, designed long - huge highway tunnel ventilationg model, constructing build the highway tunnel ventilation simulated test terrace

    利用相似理論對不可壓縮流體在水平等直徑管道中的定常流動進行量綱分析和相似理論計算，設計長大公路隧道通風模型，構建了長大公路隧道通風模擬試驗平臺。
  15. The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246

    主要研究了在通道進口截面積（即無肋處的截面積） a為15 . 2 187mm ~ 2 、肋高與通道當量直徑之比e / de等於0 . 246 ，實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下，雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p等參數對通道強化傳熱與流動阻力特性的影響。
  16. Aram chaos, a 280 - kilometer - diameter crater, has an outflow channel and is filled with layered rocks that contain hematite

    阿拉姆裂地（一個直徑280公里的隕石坑）有個向外流的渠道，並且充滿了含赤鐵礦的巖層。
  17. It takes only 1. 5 hours from zhaoqing to guangzhou and 2. 5 hours from zhaoqing to shenzhen, the guangzhou - zhaoqing express way and xijiang zhaoqing bridge will be in use soon, the zhaoqing - shenzhen bullet train and the zhaoqing - hongkong through train are both in daily operation

    廣州至肇慶的高速公路、西江肇慶大橋，即將建成通車。火車直通深圳和香港九龍。西江是徑流量僅次於長江的全國第二大河，被譽為「黃金水道」 。
  18. Four use on all world and s585 - 70 full port bronze ball valves, the horizontal and vertical chain levers can be used when valves are installed overhead in horizontal or vertical piping runs

    適用於所有沃爾達不縮徑，全流道青銅球閥上，水平或垂直鏈條桿可以用在閥門安裝位置處于高處的水平或垂直管道上。
  19. On the downstream side, no fitting should be closer than 21 / 2 pipe diameters from the flow measurement device. ( five pipe diameters are preferred

    在下游段，距離流量測量裝置2 . 5倍管道直徑長度內不應該有連接件。 （最好是五倍管道直徑長度內） 。
  20. Simulation is applied using the software matlab and femlab on the base of theory. analyze and calculate the flow resistance in microchannel with various section shapes and flow velocity in microchannel with various inner diameters. those results offer the instruction on research of flow characters in microchannel and design dc electroosmiticflow micropump

    以理論為基礎，利用matlab 、 femlab進行模擬分析，並且對不同截面形狀微通道的流阻和不同當量直徑微通道內的流速進行了分析計算，其結果為電滲流在微通道內的流動特性的研究和直流電滲流微泵的設計提供了理論依據。
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