線平均徑 的英文怎麼說

中文拼音 [xiànpíngjūnjìng]
線平均徑 英文
linear mean diameter
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  1. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應變固結模型,考慮初始有效應力沿深度變化,忽略井阻和豎向排水固結的影響,應用孔隙比與有效應力的對數關系,建立砂井非向排水固結的分層計算模型,並求得常荷載作用下的向排水固結解析解。
  2. The relationship between the holding temperature and the average of the equal - area - circle diameter or the average of the roundness was parabolic

    而等溫溫度對最終球化組織的等積圓直球化度的影響呈拋物關系。
  3. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道坡降和流域形狀系數,在參數等值圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨,節省投資。
  4. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲和喂料熔體充填速度與充模時間關系的曲,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  5. The average of the equal - area - circle diameter was changed from long to short and then to long, to short at last, as a wave. the average of the roundness was changed from low to high and to low again, as para - curve

    等積圓直由大變小再變大再變小,呈波浪狀變化;而晶粒球化度則由小變大再變小,呈拋物狀。
  6. There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction

    1984以前這里每四天就發生一起海損事故,事故數占整個長江的1 7 ,被行船人稱為「老虎口」 。長江尹公洲航段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理,從上個世紀八十年代初就有識之士開始了這個長江下游最復雜航段的船舶交通管理探索和實踐。 1984年11月15日當時的長江航政管理局在長江尹公洲水域率先施行交通管制;到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證; 1990年大沙雷達站? ?內河第一座雷達交管站建成,摸索實施現代化雷達交管的船舶交通管理新途; 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入正式運行,同時將大沙交管雷達信號通過光纜傳輸至交管中心,統一實施全轄區船舶交通管理; 2001年6月江蘇海事局將長江尹公洲航段作為第一批創建「文明安暢通航段」活動試點航段,更新大沙雷達天和收發機,著手閉路工業電視監控系統建設,設立安全警示牌,啟動航路改革,開展聯合「共建」 。
  7. In allusion to the present situation of spatial structure of dunhuang circle and the fact of tourism development, the study is on spatial structure optimization and puts forward optimizing mode on the developing tenet of sustainability the thesis includes six chapters, among which the third chapter, fourth chapter and fifth chapter are the major body. in the foreword, it expounds the background, foundation, purpose, meaning and adoptive technical courses of the selecting thesis ' s topic. in the first chapter, it summarizes main theories of tourism spatial structure and the present researches of tourism circle from study of theory and demonstration

    引言部分主要闡述了論文選題的背景、依據、目的和意義以及擬採用的技術路;第一章總結了旅遊空間結構當前的主要理論,綜合論述了當前旅遊空間結構的研究進展,對旅遊圈的研究現狀從理論研究和實證研究兩個方面進行了概述;第二章介紹了敦煌旅遊圈的總體概況,分析了構建敦煌旅遊圈的動力因素和制約因素;第三章採取層次分析法和模糊聚類法對敦煌旅遊圈內旅遊資源進行了分析評價;第四章採用客源中心點、客源吸引半、地理集中度指數等方法對敦煌旅遊圈客源市場進行了分析評價;第五章在前幾章分析評價的基礎上,分析了敦煌旅遊圈的空間結構,提出了敦煌旅遊圈的空間優化模式,並提出了敦煌旅遊圈的發展原則及具體措施。
  8. However for the closed stomata, induced by aba, the distribution density of particles in gcv is greatly reduced with the obviously enlarged volume, b ) buffers regulate ph of in vitro gcv sap in the tip of micro - capillaries : certain amount of buffer ( mes - tris ) is filled from the tip of micro - capillaries beforehand, and the ph of gcv sap that is sampled by the same micro - capillary sh ould be regulated by the buffer

    觀察結果與本試驗室已發表的氣孔開放過程的實驗結果一致:開放態氣孔保衛細胞液泡所含顆粒狀物的度極小(10nm ) ,且分佈密度極高,而經aba處理的關閉態氣孔保衛細胞液泡所含顆粒狀物的度很大(50nm ) ,分佈密度很小。
  9. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法的基本概念和基本假定,在極限衡狀態下,推導了兩直質斜坡穩定性安全系數函數表達式,然後根據極限分析理論的極小值原理,利用遺傳演算法,求出了邊坡穩定性安全系數極小值,並得到最危險滑動面的滑弧半和滑弧中心坐標。
  10. " l11e el1hct of icl1gth al1d diailletel ; each kind of single - walled nanotubes ( swn ' l ), was considered for l1ydrogen storage. our results show that tl1e maxill1ul11 value of l1ul11bcr dcnsity of h2 was 1ocated the region from d = 4. 0nln to d = 5. 0l1ln. w11cn tl1e dialllcter was flxed, 1he storage amount of il2 lineariy augl1lel1ted witl1 the tube ' s icngtll increasing

    研究了管長、管對儲氫性能的影響,得出如下的結論:在管d = 4 . 0nm至5 . 0nm間,管內氫分子數密度取最大值;當管子直固定后,儲氫量隨管長增加而性增加。
  11. A model for route selection was set up by taking population risk, average consequence and total consequence as the objectives to avoid serious transportation accidents, and by using the weighted method, the model can be solved by the shortest path algorithm

    建立了綜合考慮運輸風險、後果和總後果的路選擇模型,並利用性加權的方法對3個目標進行處理,使模型可以利用最短路演算法進行求解。
  12. In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity

    本文對試驗所獲得的連續圖像通過互相關演算法,獲得顆粒速度矢量圖,並將速度分解為向速度和軸向速度,對每一小區域內的顆粒按速度方向不同進行速度,獲得顆粒的速度分佈曲
  13. The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

    通過對混凝過程的在監測和對pda輸出信號fi曲的數學解析表明: fi曲綜合反映了懸濁液中膠體顆粒濃度和顆粒粒,混凝劑種類和投量很大程度上影響了fi曲形狀, fi曲的特徵值與絮凝體和濁度去除率之間具有良好的相關關系,在振幅最大處,濁度去除率達到最高,絮體最大,該條件下對應的投藥量為最佳投藥量。
  14. Abstract : in tokamak plasma radiation diagnostics, if the width of a detected plasma chord is comparable with the plasma minor radius, the plasma boundary may influence the line - integrated emissivity considerably and make it a weighted integral of the width - averaged emissivity

    文摘:在托卡馬克輻射診斷中,當探測束的極向寬度與等離子體小半可以比較時,等離子體邊界會顯著影響積分輻射率,使其成為寬度輻射率的帶權重的積分。
  15. The motion characteristics of the suspended particles were obtained by statistical analysis, including vertical concentration distribution, mean velocity profile, turbulent intensity, velocity correlation, and the probability density distribution of the velocity fluctuations. attempt has also been made to interpret the turbulent characteristics in terms of particle properties and turbulence structure

    對不同容重、不同粒的顆粒在不同水流條件下的垂濃度分佈、速度和脈動強度分佈、相關函數及脈動速度的概率密度分佈等進行了全面系統的統計分析,得到的中文摘要主要成果如下:
  16. A raw ( read after write ) dependency loop model is developed in this paper to analyze the raw hazards of register operands in complex pipeline. based on this model, a " dynamic " data forwarding policy is suggested to reduce the pipeline stalls caused by data raw hazards. theoretical analysis and practical experiments both show that the average cpi increment caused by data raw hazards can be reduced effectively by the dynamic data forwarding strategy

    對于單發射結構的處理器,降低cpi值的根本途在於通過各種軟硬體技術減少流水的停頓,本文構造了一個raw相關環路模型用於分析流水中寄存器操作數的raw競爭現象,並提出了一種「動態」數據旁路優化策略,可以最大程度地減少復雜流水中因數據的raw競爭而導致的互鎖停頓,理論分析和實測結果充分表明「動態」數據旁路機構可以有效地降低流水因raw互鎖導致的cpi增量。
  17. However, linearization of the boussinesq equation 624 science in china : series d earth sciences allows the derivation of analytical solutions valid for specific cases. here we follow the methodology of brutsaert 20 22 to linearize the diffusion term in : 22cossin, hkpdhkhnttffxfx where p is the linearization constant taken to be 0. 5 usually and d l is the mean aquifer depth. the clas - sical separation of variables method for partial differ - ential equations is adopted to give the analytical solu - tion of eq

    對于方程2 , brutsaert進行了如下的性化處理20 22 22cossin , hkpdhkhnttffxfx ? ? ? ? ? ? 3這里p是性化常數一般取值為0 . 5 20 , 21 ,而d l是整個潛水面的厚度的性化參數,下面採用science in china ser . d earth sciences第4期? ?田向軍等:基於boussinesq - storage方程同時考慮水分儲存和入滲的地下流機制377的是偏微分方程理論中比較經典的分離變量法來給出以上這個經過性化處理后的方程的解析解
  18. 2. the chosen nanometer cacoj particles have been tested and analyzed through advanced instruments. 1 ) the crystal structure and average size of the nanometer cacos particles have been tested by rotatory anode harrow x - ray diffractometer

    2 、採用先進的儀器對所選擇的納米碳酸鈣粒子進行了測定: ( 1 )使用旋轉陽極靶多晶x射衍射儀測定其晶體結構和大小。
  19. There existed a certain degree of variation in the radial variation patterns of average ring density among provenances and among individual trees within provenances

    不同種源間和種源內株間,年輪密度的向變異曲都存在一定的變異,但此變異主要表現在種源內株間。
  20. Let h be the deviation of the true shape of the free surface from the shape it would hold if the water were distributed in a steady state, then 1 sine. snnaxnnnshxthxthxttfsxkbs using darcy s law and ssqnl, the discharge from the aquifer is given by 0001. xssxsxnnnnsnhqsntfkuhxhhfkuhhxhqfkuhxfsslfkttsk it is easy to get the mean subsurface runoff of this grid bqt. bqtql 626 science in china : series d earth sciences for the aquifer, the continuity equation holds. dsntlqsntdt new subsurface runoff parameterization, a synthetical recharge series is applied to some aquifers with dif - ferent parameters. firstly, the parameter is tested : three aquifers with the same following parameters are used : d 1. 5 m, k 0. 0008 m s, l 100 m, f 0. 34, p 0. 5, three different slopes are considered : 0. 002, 0. 02, 0. 05. fig

    在該模型中有三個重要的模型參數的:整個潛水面厚度的性化參數d ,整個潛水面的坡度,以及飽和和水力傳導度k .首先考察一下該模型對于坡度的敏感性:取d 1 . 5 m , k 0 . 0008 m s , l 100 m , f 0 . 34 , p 0 . 5 .取下面三個不同的坡度0 . 002 , 0 . 02 , 0 . 05 .圖2 a給出是實驗給定的入滲強度的時間序列,圖2 b給出的是分別選取這三個坡度時該地下流機制所產生的不同的地下流的情況
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