環形干管 的英文怎麼說

中文拼音 [huánxínggānguǎn]
環形干管 英文
circular main
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
  • 環形 : annular; ringlike; ring form; bight; annularity環形癌 annular carcinoma; 環形電路 [訊] loop circu...
  1. A number of metal cirque electrodes surround equidistantly outside the glass discharge tube, acting as preionization electrodes

    在玻璃放電管的外表面緊密套上若干圓環形電極，作為預電離電極。
  2. According to the types, height and fireproof grade of the buildings, four basic ringed arrangements are brought up, namely the ringed arrangemensts of branch lines, the ringed arrangements of cross mains, the ringed arrangements of feed mains and the ringed arrangements of fire waterhead. on the basis of analyzing the means, characteristic and applicability of the four basic ringed arrangements, several practicality ringed arrangements are brought up, namely the ringed arrangements of branch lines and cross mains, the ringed arrangements of cross mains and feed mains, the ringed arrangements of branch lines and feed mains, the vertical ringed arrangements of feed mains and the ringed arrangements of sprinkler system in the abnormity buildings

    根據建築物的類型、高度和防火等級等因素，提出配水支管環狀、配水幹管環狀、立管環狀和消防水源環狀這四種基本環狀形式，分析了四種環狀管網的環狀布置方法、特點和適用性。在此基礎上又提出了支管與干管環狀、干管與立管環狀、支管與立管環狀、立管豎向環狀以及不規則區域環狀等幾種實用的環狀形式。
  3. It becomes a complete ventilation access if has vent - pipe. vent - pipe can discharge all mirage and muddy air out of door, and meanwhile inhales clean and fresh air through gaps of window and door. so the whole bath room will be in a minus - press, and make you feel in distinct and soothing air

    浴霸在裝上通風管並通往室外后，形成了一個完整的換氣通路，可以有效地將浴室內的各種霧氣、濁氣可靠的排到室外，同時通過窗戶、門等縫隙吸入新鮮干凈的空氣，使整個浴室內處于負壓，讓人能在一個清新的環境中沐浴。
  4. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  5. This thesis is main analysis three gorges project to the great significance of the yangtze river shipping with main influence, make use of the safe condition of magistracy of yangtze river trunk line to synthesize the valuation way, to yangtze river upper stream water top transportation safety proceed take the gauge of, reason of detailed analysis trouble, find out the safe weak link that ascend of management, actual circumstance after join teetering the three gorges water area the water, bring up to establish the three gorges water area the shipping safety management system ' s speculation, provide the upper grade to test, then slice solid enhance the water on the transportation safe manage, and insure the three gorges water area the water on the transportation the stability of the safe situation

    而近年來，長江上遊船舶航行秩序不穩定，事故多發，安全形勢不斷惡化，使三峽庫區形成后的航運安全管理顯得尤為重要和突出。本文主要分析三峽工程對長江航運的重大意義和主要影響，運用長江干線轄區安全狀況綜合評估辦法，對長江上游水上交通安全進行評估，詳細分析事故原因，找出安全管理上的薄弱環節，結合三峽庫區蓄水后的實際情況，提出建立三峽庫區航運安全管理體系的構想，供上級參考，以切實加強水上交通安全管理，確保三峽庫區水上交通安全形勢的穩定。
  6. The main features of informal communities at junior high school at rural district are : ( 1 ) forming reason, not only space distance, ability attraction, interests, personalities which are found in the early researches, but also economic condition of the families, living environment ( counties and country sides ), original foundation of relationships ; ( 2 ) the qualities students choose when they look for their partners are positive, healthy, and are basically consistent with their parents " expectations ; ( 3 ) contents of activities, not only study, chat, travel and play, interesting actions, but also doing some rural work to help adults ; ( 4 ) nature, most of the communities " behaviors seldom break disciplines and laws and they seldom have leaders who have obvious position and influence ; ( 5 ) we can consider the students informal communities which are based on interests and hobbies as advantageous condition in the management of class, it ' s difficult to manage the students communities which are drafted apart from class

    2 、貧困地區農村初中學生非正式群體的主要特點是： （ 1 ）形成原因上，除以往研究中發現的空間距離、能力吸引、興趣、性格以外，還包括家庭經濟條件、生活環境（鄉鎮和山村） 、原來關系基礎等因素； （ 2 ）學生選擇夥伴時所趨同的品質都是積極上進的、健康的，並基本與家長的期望相一致； （ 3 ）在活動內容方面，除一起學習、閑聊、遊玩、興趣活動以外，還有幫助大人干農活； （ 4 ）大多數學生群體較少有違紀或違法行為，群體中具備明顯地位和影響力的自然頭領較少； （ 5 ）以興趣愛好為基礎結成的學生非正式群體在班級管理中可作為有利條件，與班級關系疏遠的學生非正式群體是班級管理中的難題。
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