薄壁段 的英文怎麼說

中文拼音 [duàn]
薄壁段 英文
thin segment
  • : 名詞[方言] (浮萍) duckweed
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  1. The annihilation of the octahedron voids at the tips of fpds was divided two processes : ( 1 ) the oxide on the void was removed by the out - diffusion of oi in the shallow region, especially the oi aroud the void and by the entry of the interstitial si atomics. ( 2 ) the void without oxide shrinked by emitting vacances and the migration of silicon atoms from edge to the bottom of void

    Fpds端部八面體空洞的消失分為兩個階: (一)覆蓋在空洞各個內上的氧化膜由於高溫下矽片表面區域的間隙氧原子,尤其是空洞型缺陷周圍的間隙氧原子的外擴散及自間隙硅原子的進入,而逐漸變直至最終消失。 (二)無氧化膜的空洞,在高溫下發出一個個空位,同時八面體空洞周圍的自間隙硅原子不斷的從空洞的邊緣遷移至空洞的底部,使空洞逐漸變淺直至最後消失。
  2. Portunus, trituberculatus the spermatogonium exist in two different forms, the second form comes from the first one. during spermatogenesis, chromatins condense at different level. the nucleus changes into homogeneous since middle spermatid stage, and the nucleus extends into the radial arm

    三疣梭子蟹在生精細胞階,染色質不同程度的濃縮凝集;在精細胞階,核質呈均質狀,形成的圓球形核杯,部分核質延伸入輻射臂內。
  3. In the paper, the finite element simulation software dynafrom is applied to analyze the affect of different blank holder during the forming process of laminose stepped tubular part, predict the possible defects such as wrinkle and break, obtain the rational style of blank holder avoiding the occur of defects and determine the rational configuration of die. the forming affect of thin - wall shallow stepped tubular part is analyzed when using different lubricate condition ( friction coefficient ). by this method, the relationship between friction coefficient and drawing depth of laminose stepped tubular part is obtained

    本文利用有限元模擬軟體dynafrom分析了不同類型的壓邊圈對階梯筒形件成形過程的影響規律,預測了採用不同類型壓邊圈時可能出現的成形缺陷如起皺和拉裂,獲得了防止缺陷產生的合理壓邊圈形式,確定了合理的模具結構形式;分析了不同的潤滑條件(摩擦系數)對板階梯筒形件成形的影響,獲得摩擦系數與板階梯筒形件的拉深深度的關系;分析了階梯筒形件成形過程中的不同階的應力應變分佈、毛坯材料厚度變化情況,並獲得了階梯階梯筒形件能一次拉深成形的條件。
  4. The equipment adopts centrifugal sliding plow groove rotor and is the newest structure evaporator at present. it can form membrane under the condition of small flow. comparing with that of fixed space drag evaporator, its evaporation capacity can increase 40

    本設備採用離心式滑動溝槽轉子,是目前國外最新結構蒸發器,在流量很小的情況下也能形成膜,在簡體蒸發表面附著處理液中的淤積物可被活動刮板迅速移去,和固定間隙的刮板蒸發器相比,蒸發量可提高40 69 。
  5. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有限公司委託項目「起重機焊接捲筒極限厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以殼理論和近代力學為基礎,以現代試驗技術為研究手,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強度和穩定性的影響進行了系統的理論研究,在深入開展捲筒強度、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強度、穩定性計算方法。
  6. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗,將試驗結果與疲勞曲線進行對比,分析了門石窟的疲勞破壞效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,振動環境已成為導致門石窟某些弱點如多條裂隙交叉點嚴重風化酥解的面雕刻品等產生疲勞破壞的重要誘發因素。
  7. This paper aims at bridge with high pier and long span adopting single or double featheredge piers, the stability of bridge in the whole construction process is analyzed combined with research conclusion of bridge stability and concrete creep and shrinkage, bridge construction period is divided according to actual construction - process and concrete creep and shrinkage regularity and structure is analyzed as plane truss at each time increment

    本文針對常用單、雙墩的高墩大跨徑橋梁,結合國內外對橋梁結構穩定與混凝土徐變收縮的研究成果,對節法施工的橋梁進行穩定性全過程分析方法研究。根據實際施工過程及混凝土徐變收縮規律對施工全過程劃分時,對每個具體計算時刻採用平面桿系結構進行計算分析,不同計算時刻具有不同的結構體系。
  8. By the experiment of tension and torsion test of thin walled tube on mts, the experimental strain increment was obtained and compared with theoretical strain increment which obtained by simulation with m value 2 and the identified m value. the results of comparison validated the correctness of identified m and deformation control method using the identified m

    本文在mts實驗機上進行了管拉扭實驗,首先進行了識別材料物性參數m值的實驗,通過實驗中各階的實際應變增量值與m值識別前後計算所得理論應變增量值的比較,驗證了識別所得m值的正確性以及根據識別所得m值進行應變控制可行性。
  9. The full range analysis from cracking to crashing of box girder are conducted in detail to ascertain the response for the structure to load, and the parametric study about the shear lag of box girder within the nonlinear stage has been finished and some profitable conclusions have been obtained as well

    利用所開發的有限元程序詳細研究了鋼筋混凝土箱梁從開裂、鋼筋屈服直到破壞這一全過程中結構的受力及變形特徵,籍以分析各個階的結構受力反應和極限承載能力,並且對箱梁的剪力滯效應進行了系統的參數分析。
  10. Based on the analysis of the temperature test result of the landing rectangle aqueduct of caohe river for the emergency water supply project of the beijing - shijiazhuang section on the middle route of the south - to - north water diversion project, the temperature developing feature of the early - age hydration heat of the thin - wall concrete is described, and then the main effecting factors of the hydration heat temperature on the landing rectangle aqueduct and the control measures concerned are put forward herein

    摘要通過對南水北調中線京石應急供水工程漕河渡槽落地矩形渡槽溫度測試結果的分析,闡述了混凝土早期水化熱溫度發展的特點,提出了影響落地矩形渡槽水化熱溫度的主要因素與控制措施。
  11. Nowadays, the pcc pile have been widely used for soft ground improvement and application of foundation engineering. the behavior of pcc pile, that subjected to lateral load has been studied in this paper. the behavior of the pcc pile has involved moment and horizontal displacement and load of pcc pile. they are studied by in the physical model experimen, field test finite element numerical analysis, and exponential progression solution. in additional, the comparatively computal analysis are carried out among pcc pile, cast - in - situ concrete circular pile, prefabricate concrete square pile, and obtain some signification conclusion

    本文主要圍繞現澆混凝土管樁(以下簡稱pcc樁)這一新型的樁基結構型式的水平承載性狀展開研究,通過室內模型試驗、現場試驗、有限元數值模擬分析試驗及彈性冪級數解析法分析等手,對pcc樁水平承載的樁身受力性狀,樁身撓曲位移,樁身彎距分佈,樁與樁周土相互作用的地基反力等幾方面進行了初步的探討和研究,最後將pcc樁與目前工程中的兩種常用於承受水平荷載的樁型進行對比計算分析,得到有意義的結論。
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