surface duct 中文意思是什麼

surface duct 解釋
地面波導
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • duct : n. 1. 管，導管，輸送管；槽，溝，渠道。2. 【無線電】波道；【電學】（電線，電纜等的）管道。
  1. A ceramic coating is applied to the inner surface of the inlet duct to protect the composite from the high temperature

    由於復合材料耐高溫性能差，該進氣道在內部使用防熱陶瓷塗層進行熱防護。
  2. Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method, reverberation room method and in - duct method ; fans

    機器排放的噪聲測量.空氣傳播的噪聲.第38部分:包洛面
  3. This thesis brings some new proposals for the computation of temperature rise in nature oil transformer. some useful formulas for convection calculation of vertical and horizontal duct are given. so temperature decrease at the surface of discs and temperature rise of oil flow can be obtained

    得到了較為適合的垂直油道、水平油道自然對流換熱特性數經驗關聯式，並據此得到了自然油循環變壓器垂直油道和水平油道線餅表面溫降和油流溫升的計算方法。
  4. In order to utilize the atmospheric duct phenomena, and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous, on the basis of classification of the atmospheric duct, first the model for evaluating the effective detective zone of electronic reconnaissance facility is established, then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented, and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed

    為充分利用大氣波導條件，發揮電子偵察設備效能，使戰場態勢向有利於己方方向轉化，在介紹大氣波導分類的基礎上，建立評估電子偵察設備的有效探測區的模型，給出用拋物線方程及其分佈傅里葉演算法計算電磁波在表面波導條件下傳播的數值模擬方法，並分析了大氣波導對電子偵察設備的影響情況。
  5. 9. the standard bation of the nails keeps the surface of the thermal insulation clean after welding. the welding torch may also be used as repair tool to repair peeled and exposed duct when cohesive nail has dropped

    另外：該焊機還可作為修理工具，對粘接的保溫釘由於粘接不牢而脫落的部分進行修繕，在通風管道裸露的場所使用。
  6. Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance

    我公司研發生產的改性表面處理氫氧化鎂系列產品，純度高、粒徑均勻、分散性好、親和力強，屬于無鹵、無煙、無滴、無毒性、安全性的阻燃劑，是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、化纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航空航天、造船、汽車、玻璃鋼製品等各行業理想的填料型阻燃料。
  7. The duct and it ' s vortex is discreted by a number of small straight quadrilateral panel. constant source and doublet distribution is placed on each panel on the surface of body, and constant doublet distribution is placed on each panel on the surface of vortex

    以面元的幾何形心為控制點，在每個物面面元的控制點上布置等強度的源匯分佈和偶極子分佈，每個尾渦面面元控制點上布置等強度的偶極子分佈。
  8. Standard practice for specimen preparation and mounting of pipe and duct insulation materials to assess surface burning characteristics

    表面燃燒特性評估用管和管絕緣材料的樣品制備和安裝的標準實施規范
  9. Measurement of noise emitted by machines ; airborne noise emission ; enveloping surface method and in - duct method ; fan - assisted warm air generators, fan - assisted air heaters and fan units of air handling devices

    機器排放的噪聲測量.空氣傳播的噪聲.第56部分:包洛面
  10. A milk blister is a blocked duct on the surface of the nipple

    奶泡是由乳頭表面的出乳口堵塞引起的。
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