first type surface 中文意思是什麼

first type surface 解釋
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  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • type : n 1 型，類型，（工業產品的）品種；風格，型式。2 典型，榜樣，樣本，樣板，模範，範本；典型人物；具...
  • 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...
  1. Use low - density aluminum alloy oxide to the first, with the introduction into superior performance ; neiqiang use special vocabulary design let s hear first from the surface temperature is equipped with colour sets, enabling patients to feel comfortable ; pipeline grey colour black red light green light blue pink sea blue purple yellow note : 220 - tone models of the length of 52cm diameter listen first bamboo : 48mm film - based 30mm bell type

    採用低密度的鋁合金氧化聽頭，具有優越的導音性能;內腔採用特殊的圓弧設計，且聽頭表面都配有彩色的隔溫套，能使病人使用時感到舒適;管道顏色黑色灰色紅色深藍粉紅淺藍深綠淺綠海藍紫色黃色注：型號220導音管長度52cm聽頭外圓直徑： 48mm膜型30mm鐘型
  2. The hong kong and guangdong governments have worked closely to strive to improve the quality of raw water from dongjiang to conform to the national standard for type ii waters applicable for the abstraction for human consumption in first class protection area in the " environmental quality standards for surface water, gb 3838 - 2002 "

    香港和廣東省政府一直保持緊密合作，致力提升東江水水質達至國家《地表水環境質量標準gb3838 - 2002 》第ii類的標準。所有原水都經嚴格的處理程序和密切監測，這使香港能夠享有最安全的食水供應。
  3. First, after the overall structure of the differential balance mechanism is determined considering the given requirement, the concrete structure of the mechanism is designed with the reference of the design method of the differential which is widely used in autos. the differential gearing system is optimized and more appropriate parameters are got with which the functional requirements can be satisfied and the weight of the mechanism can also be reduced. the surface type structure is adopted on the rocker shift, so the mechanical performance of the differential gearing system and the rocker shifts may be improved

    本文根據整車的性能要求確定了差動平衡機構的總體結構形式，以汽車驅動橋差速器及半軸的設計方法為參考，對差動平衡機構的原理樣機進行了完整的結構設計;對核心的差動輪系部分進行了優化，得出了既能滿足功能要求又可以有效減小機構質量的較合理的參數;在搖臂軸中使用了類似汽車驅動橋半軸的浮式結構，使搖臂軸所受彎矩大大降低，從而改善搖臂軸和差動輪系的力學性能。
  4. Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating

    箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。
  5. By using the finite element numerical simulating method, and studies based on the practical project xiluodu arch dam, this paper studies systematically the type of joints, placing temperature, protection methods on the surface of concrete dams, the first stage artificial cooling method including different cooling water temperatures, cooling lasting days and cooling pipes arrangement

    本文利用數值模擬計算方法，以溪洛渡實際工程為依託，對大體積混凝土施工中常採用的溫控措施對混凝土溫度變化的影響規律進行了全面系統的研究，包括分縫分塊方式、澆築溫度、混凝土間歇時間、一期冷卻方式（包括不同進水溫度、不同水管布置、不同通水時間）等。
  6. Moreover, the two - step heat treatment method was utilized in the preparation of the films, the films prepared by the first coating with 550 ? heat - treatment and the second coating with of with 500 ? heat - treatment ( b type films ) were highly c - axis oriented with smooth, dense and uniform surface morphology

    此外，結合高溫和低溫熱處理方法優點的兩步熱處理法得到的b型薄膜同時具有較好的c軸擇優取向性和更為平整均勻的表面形貌。另外，在硅基板上也制備出了良好的c軸擇優取向性的摻雜氧化鋅薄膜。
  7. Conformed by van der pauw hall measurement after annealing at 800 for 1h. this is the first experimental report of mg implantation on mg - doped gan and achieving p - type gan with high surface hole concentration

    的p -型gan 。首次報道了實驗上通過mg離子注入到mg生長摻雜的gan中並獲得高的表面空穴載流子濃度。
  8. The first successful electrochemical biosensor is the amperometric glucose biosensor using the clark - type oxygen electrode with direct electron transfer from the glucose oxidase to the surface of the electrode

    電流型酶傳感器是生物傳感器領域中研究最多的一種類型，其電極反應包括酶化學反應和異相電子轉移反應。
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