余極限 的英文怎麼說

中文拼音 [xiàn]
余極限 英文
colimit
  • : Ⅰ動詞(剩下) remain; leave: 9減4 余 5。 nine minus four is five ; four from nine leaves five ; i...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two

    一類維2的高次退化平面多項式系統的環分佈
  2. Distribution of limit cycles for a class of higher - degree degenerate planar polynomial systems of codimension two is discussed

    摘要討論了一類維2的高次退化平面多項式系統的環分佈,證明了此系統至多存在3個環。
  3. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後,關鍵在於確定板架的屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘應力、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應力。
  4. The residue contact pressure will be decreased after temperature cycle, the higher the working temperature, the lower the residue contact pressure, which has been proved by experiment

    研究表明,當復合管處于熱加載狀態時,復合管存在著工作溫度;經過溫度循環后,殘接觸壓力將減小,且溫度越高,殘接觸壓力值越小;通過實驗得到了驗證。
  5. Eu yan sang hong kong limited also received the highly acclaimed 2001 hong kong top ten brand names award from the chinese manufacturers association of hong kong, and the quality tourism service certification from hong kong tourism board. such remarkable accomplishments reflect that the very high level of endorsement for eu yan sang s brand awareness, product and service quality

    與此同時,仁生(香港)有公司於二零零一年獲選為香港十大名牌之一,並獲香港旅遊發展局頒發優質旅遊服務證書,足證仁生在品牌知名度、產品及服務質素等各方面均獲得高之評價。
  6. The aims of this thesis are buckling and ultimate strength. its main content is as follows : emphasizes the significance and purpose of the research in buckling and ultimate strength, and reviewing the status in this field, and puts forward the research task ; analyzes and discusses the design formulations for the buckling strength of the ship plating, in which the influence of residual stresses, lateral pressure, cut - outs and rotational restrains is taken into account

    本文以船體板的屈曲和強度為研究目標,主要內容有: ?指出研究船體板屈曲和強度的意義和目的,簡要回顧了國內外的研究現狀。並提出本文的研究內容; ?考慮殘應力、側向壓應力、開孔和扭轉約束對于板格的屈曲強度的影響,討論了各個因素影響下的板格的屈曲強度計算公式。
  7. In the paper, the results of experience and rules of distribution of the cold - formed residual stress are analyzed, the models of the cold - formed residual stress that are close to the fact are founded, initial stress files of ansys which can describe the magnitude and distribution of the residual stress are established

    本文對冷彎殘應力的實測結果和分佈規律進行了分析討論,建立了接近實際情況的槽鋼和卷邊角鋼的冷彎殘應力模型,創建了能描述殘應力分佈和大小的ansys初應力文件,並在ansys穩定分析中引入該文件,得到構件在殘應力影響下的荷載。
  8. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法,圓滿解決了這一問題,給出了第一象內當t +或t -時,在全參數狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在環,全局漸近穩定;然後,我們以中心流形定理和正規型方法為主要工具,巧妙選擇參數,分別構造了一個維2的鞍點分岔和一個維3退化bogdanov - takens分岔,證明了平衡點是維3的焦點型平衡點,存在參數, m ,的值使得系統( 6 . 1 )有兩個環,還存在參數, m ,的另外值使得系統( 6 . 1 )有同宿軌或雙同宿軌。
  9. The effect of different sizes of sections, modes and values of residual stresses are studied. through the analysis, the conclusion is arrived at that the universal slenderness ratio should be used to better correlate the stability of box section beams with the member length instead of the out - of - plane slenderness, and the stability coefficient is taken to be 1. 0 for practical used box girder. then, the elastic critical loads of box section beam - columns are obtained based on the gjelsvik theory, and the relationship between axis force p and moment m is given

    最後,運用ansys通用有元程序的beam189單元,引入初彎曲和殘應力的影響,用考慮幾何和材料雙重非線性的有元求解格式求得箱形柱在不同軸力和彎矩比例作用下的彈塑性承載力,通過對十幾個不同截面尺寸構件在不同長細比下的承載力計算,發現在軸力p遠大於彎矩m時,構件將是平面外失穩控制,而當軸力p遠小於彎矩m時,構件則以平面內失穩為主。
  10. Look out for the many of the quality assurance schemes, which guarantee chemical treatment of produce has strictly followed manufacturers recommendations and residues levels at point of harvest are either zero or well below maximum permissible and therefore safe limits

    注意許多保證農產品的化學處理品質管理計劃已嚴格地遵照製造商的建議,並且在農獲時的殘水平需是零或是比最大可允許還要小很多因此是安全的
  11. The buckling and ultimate strength of ship plating normally depend on a variety of influential factors, namely geometric / material properties, loading characteristics, initial imperfections ( i. e. initial deflections and residual stresses ), boundary conditions and corrosion, fatigue cracking

    船體板的屈曲和強度取決于很多影響因素,主要有:板的幾何尺寸、材料特性、載荷特徵、初始缺陷(如初始變形和焊接殘應力) 、邊界條件以及腐蝕的影響、疲勞裂紋等。
  12. In this research, using the theory of t - norm, t - conorm and fuzzy relations, we systematically discuss transitivity - related properties of operations of fuzzy relations, relationships between t - transitivity, negative s - transitivity, t - s - semitransitivity and t - s - ferrers properties, relationships of transitivity - related properties between the large preference relation and strict preference, indifference relations, and transitivity of the limit of a sequence of fuzzy relations with certain properties

    本文利用模糊關系理論和t模及t模理論,對模糊關系運算的傳遞性, t傳遞、 s負傳遞、 t - s半傳遞及t - sferrers關系之間的聯系,特殊模糊偏好結構中所涉及到的傳遞性以及模糊關系序列的傳遞性進行了系統全面地討論。
  13. Some calculation indicated that general - purpose programs can predict load carrying capacity of a ship ' s hull accurately if one take sufficiently into account every load and boundary combination, structure imperfections and initial stresses, together with geometric and material non - linearity. in this thesis, the load carrying capacity of several hull or hull models have been analyzed by using the general - purpose program ansys, and some detailed results are obtained

    一些已有的計算分析表明,對于大型通用有元軟體,只要合理地模擬結構的受載方式,模擬材料的非線性性能,採用合理的單元類型和網格尺度,並綜合考慮強度分析的各種因素(如結構的殘應力、初始變形、材料的非線性性能等) ,通用有元程序也能獲得精確的船體結構的承載能力。
  14. On basis of numerical simulation, the optimized weling technological has been vadidated and adjusted by plane test, results show that residual stress of both ends welded in advance can be decreased by the interspace welded later, and decreasing effect is the most obvious in the 50mm range of the interspace ; for local heating, it is 60mm from the edge of heated area to decrease residual stress

    通過平板試驗得到了分段焊與局部加熱合理工藝參數,並在此基礎上,對轉輪的焊接殘應力場進行了調整與控制,使葉片出水邊危險區域附近產生了較大的殘壓應力,且轉輪整體的殘應力水平低於轉輪材料屈服的三分之一。
  15. We find that the transitivity of limit of a sequence of fuzzy relations is preserved if the involved t - norm and t - conorm are continuous. also some ideal results are obtained when the sequence is monotonic and the involved t - norm and t - conorm are left continuous t - norm and right continuous t - conorm respectively. in addition, some results are still available without continuity

    我們指出:對連續的;模及t模,若模糊關系序列具有某種傳遞性性質,則其具有同類性質;對左右連續的,模及『模,在序列單增或單減時得到一些較為理想的結果;在沒有任何連續性的前提下,單增序列的s負傳遞性可保證其的s負傳遞性,單減序列的t傳遞性可保證其的t傳遞性。
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