進近時間表 的英文怎麼說

中文拼音 [jìnjìnshíjiānbiǎo]
進近時間表 英文
approach schedule
  • : 進構詞成分。
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 時間表 : avails
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀行了述評,並對「可持續發展」概念的科學內涵行了深入探討;對涉及地下水資源的一些最基本的概念和命題行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱行了介紹,並應用於地下水動態過程線的分析,採用序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合行地水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的一步研究方向。
  2. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面行了優化,結果明:採用普通工藝焊接,葉片焊后殘余拉應力出現在焊縫及其附區域,並且在葉片出水邊的熔合線附(危險區域)出現了峰值;在採用優化的分段焊,先焊兩端后焊中的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  3. Ecologic process of the wash lands by debris flows in mountain region is very complex and variety, and is a specific catastrophe - ecologic phenomenon in mountain region. plant growth of the wash lands of debris flow sdistributed in high altitude area shows a natural restorative proccss. it is found that plant growth process and community feature in the wash lands of debris flow can bring to light of the time of debris flow formation in the last hundred years and to the succession law of natural vegetation ecosystem through study in the catastrophc - ecologic phenomena and the ecologic process in wash lands of debris flow in the huangbenliu gully of the east slope of gongga mountain. the research result for this region also shows that study of the catastrophe - ecologic phenomena of debris flow can promote scientific infiltration between the ecology and the catastrophology, and has important theoretical and practical significances

    山區泥石流發生后的泥石流灘地呈現復雜多樣的生態過程,是山區所特有的一種災害生態現象.在人煙稀少的較高海拔,泥石流灘地植物生長現為一種自然恢復過程.通過貢嘎山東坡高海拔黃崩溜溝泥石流灘地上發生的災害生態現象和過程的實地研究,發現泥石流灘地植物的生態過程和群落特徵,可以揭示代泥石流的形成和自然植被生態系統的演替規律.研究明,加強泥石災害生態現象的研究,可以促災害學與生態學科的滲透,具有重要的理論和實踐意義
  4. The discussion of main parallel technologies on construction of parallel sliq algorithm is presented in this paper. the computing result of algorithm complexity of sequential and parallel algorithm indicates : when the data set is large enough, as to continuous attributes, the parallel algorithm almost get speedup value equal to the number of processors , while as to categorical attribute the improvement of parallel algorithm is limited

    通過對串列和并行演算法復雜度的計算明,當數據集充分大,由於連續屬性的排序計算操作分散到各個處理機單元上行,顯著降低了計算,從而可以得到似於處理機個數的加速比,對于離散屬性,本并行演算法對串列演算法的性能提高有限
  5. The wrf ( v1. 2 ) system is used to simulate the landing process of winnie in 1997, and results show that the track, landing time, and landing position of winnie calculated using the common land model ( clm ) and the initial field of 0800 bst on 18th august 1997 are closer to the reality ( fig. 4. 3 ) than those in the other 7 experiments, indicating the better forecast and simulation capability of the wrf model than the others

    應用wrfv1 . 2版系統對1997年登陸臺風winnie行了數值預報模擬研究,結果明,用通用陸面模式( clm )對8月18日08初始場計算得到的winnie移動路徑、登陸及地點(見圖4 . 3 )比其它七個試驗的計算結果更接實際情況。明wrf模式有較強的預報模擬能力。
  6. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,通過較長的相干積累,在多普勒頻域上對目標行分辨。而對于編隊目標,可分為似剛性的多目標和非剛性的多目標,所以對于可以似為剛體的編隊目標相對位置固定,運動方式一致,可以似看作一個大目標,採用最小墑準則對平動相位的行補償,但是大多數並不滿足剛體似的編隊目標,由於目標在相干積累的多普勒頻率似呈線性變化,通過對較短數據利用relax的頻分析方法,提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累,所以利用radnwigner變換得到瞬的一維橫向距離像大大提高了對編隊目標的分辨,對模擬和實測數據的大量分析結果明此方法的有效性和可行。
  7. Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge

    對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應行了研究.考察了影響酯化反應的因素.結果明:以負載型雜多藍為催化劑,酯化反應轉化率接100 % ,收率可達98 . 9 % ,選擇性為98 . 9 % ,重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應短、對設備無腐蝕、無三廢排放等優點
  8. Measuring engine transient process data in ca1258p1k2l11t1 truck in accelerated mode, recording and analyzing the data, then analysis the test error. 4. building model and simulating two typical running mode ? fixed 6th gear acceleration with initial vehicle speed 40km / h and gear change acceleration starting with 2nd gear, comparing calculated result with test result, revising transient process simulation model and analyzing error between calculation

    本文基於ca1258p1k2l11t1載重卡車對ca6df2 - 26發動機的瞬變工況行試驗和模擬計算,結果明: 1 ) gt - power軟體可以很好的模擬、分析、預測發動機瞬變過程,模擬計算的結果與試驗結果很接,試驗證明,預測分析指出的改方向是正確的; 2 )加裝電動增壓器可以降低整車使用油耗,改善低速煙度排放,縮短加速,改善整車的加速響應; 3 ) gt - power軟體預測分析配合發動機和整車試驗是分析、解決發動機瞬變過程的有力工具。
  9. In the models, the time dependent parabolic equations, deduced from the mild slope equations with currents or not, are used as the governing equations. based on the general conditions for open and fixed natural boundaries with an arbitrary reflection coefficient and phase shift, the boundary conditions for the present models are treated. the alternative direction implicit method is used to solve the governing equations and the numerical schemes are unconditional stable

    在建立模型,將原始的橢圓型緩坡方程的似型式? ?依賴變化的拋物型方程,作為控制方程;從將開邊界條件、不同反射特性的固壁邊界條件相統一的達式出發,對邊界條件行處理;用adi法數值求解控制方程,格式無條件穩定;節省了計算機內存和計算量。
  10. The forecast of the geographical equilibrium point of k has been made using different methods. the result indicates that the order of the geographical equilibrium point of k is : total k > l / 2k > - k, ck. 5. the result indicates that the geographical equilibrium point of 1 / 2k is the most suitable one for the sustainable use of land and fertilizer resource

    用灰色極限推測理論和序列分析對作物收獲后的土壤鉀素地理平衡點行了預測,結果明平衡點順序為:全k處理> 1 2k處理> - k處理、 ck處理, - k的平衡點與ck接,兩者差異不顯著,而施用鉀肥的外源平衡點高於內源平衡點。
  11. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為,超導體在電力方面出現大規模應用的距離我們還非常遙遠.然而,隨著最幾年來實用高溫超導材料的研製取得重大的展,高溫超導電力技術的應用已經成為現實,預期將在2010年左右出現大規模的應用,並將帶來電力工業的革命.因此,下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快,電能需求量增加十分迅速,對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要,超導電力技術是實現我國電力發展目標的必由之路.文章有代性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史,並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  12. Israeli and syrian representatives held nearly two years of secret negotiations, coming up with a framework for a peace deal, before war erupted in lebanon last summer, the israeli daily haaretz reported tuesday

    以色列《國土報》周二在報道中稱,以色列和敘利亞的代行了兩年的秘密談判,並且在去年夏天黎巴嫩境內爆發戰爭之前,為一份和平協議建立了框架。
  13. The results show that the chaotic motions of the bloch wall are suppressed successfully, that is, the new strategy is successful and effective. in a time - continuous dynamical system, a new optimal control scheme is proposed base on the krasovskii theory and is utilized to control the chaos in the newton - leipnik system which has double strange attractors. it is found that the n - l system can converge onto a selected fixed point rapidly and perfectly through asymptotic mode

    連續動力系統方面,基於krasovskii理論本文提出了一種的新優化控制方法,並利用這一方法對一類具有雙奇怪吸引子的newton - leipnik ( n - l )系統行了混沌抑制,結果明一旦控制啟動,系統行為能夠迅速漸穩定於目標平衡點。
  14. The authors established an initial velocity model based on the first break time of the actual data, then realized the forward calculation with the improved shortest path ray tracing algorithm, and applied the improved constrained damped simultaneous iterative reconstruction technique ( cdsirt ) to solve large - scale and sparse equations for inversing the near - surface velocity field

    根據實際地震數據的初至波建立初始速度模型;採用改的最短路徑射線追蹤演算法行正演;利用改的約束帶阻尼聯合迭代重建技術( cdsirt )求解大型、稀疏的方程組來反演的速度場。
  15. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼行了氫氧化鋁膠體的沉降實驗,對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化行了系統優化,並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數;此膠體經過過濾、 80下烘乾后所得樣品,在掃描電鏡下直接觀察其粒徑為50nm ,且分佈范圍窄,顆粒的面清潔,為球形。
  16. So, we put forward an optimized exponential algorithm in which the multiplication with itself was substituted mostly by square. through expanding of composition fields, the time consuming of optimal algorithm is, where n is the number of bits of exponential

    通過對演算法的分析我們可以得出結論,隨著復合域的不斷增大,域上指數運算所需的示為,式中n為指數以二的比特串長度,為域元素行多項式相乘所需的
  17. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究明,滑坡變形失穩過程具有混沌和分維特性,可以用分形理論來研究滑坡預測問題,基於對任一連續函數,至少在較小的鄰域內可以用多項式任意逼的數學理論,運用改的backus廣義線性反演理論,以斜坡位移序列為基礎,反演了斜坡演化的非線性動力學模型。並利用自治梯度系統與突變模型的等價性,通過變量代換得到標準的尖點突變模型。
  18. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型,並對理論模型行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用脈沖示蹤法對一到五級串聯外循環流化床反應器行了停留分佈實驗,結果明,在循環流量與流加流量的比值達到大於等於4,中試規模多級外循環流化床反應器的流動特性接串級全混流模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  19. Thirdly, through assaying the error generated during measuring data, the result manifests : 1 ) the location installed of the transducer and the point thumped affects the experiment result to some extent. if surface - opening cracks is deeper, the location of the transducers installed and the point thumped should be further away from the location of surface - opening cracks. 2 ) when the depth of surface - opening cracks is near to 50mm, it is very difficult to measure the depth of surface - opening cracks because the depth of r _ wave conveying in concrete plates from the different small ball bringing forth exceeds 50mm. 3 ) it is clear from the experiment result, the influence is n ' t big for the diameters of small balls to measure the data while the time interval between two transducers touched firstly has very big influence on the result

    其次,對測量數據行了誤差分析,結果明: ( 1 )傳感器及敲擊點的位置對實驗結果有一定的影響,當開口裂紋的深度較深,傳感器和敲擊點的位置應該離裂紋較遠; ( 2 )當開口裂紋深度接50毫米,由於實驗中所使用的小球產生的r波傳播深度均超過50毫米,故很難測量出其開口裂紋的深度; ( 3 )實驗發現,小鋼球直徑的大小對裂紋深度的測量結果影響並不是很大,但是,波的開始上升和下降點的測量精度(即兩信號的延遲) ,對測量的結果有很大的影響。
  20. To add " the economic activities of hong kong are getting busier by the day and its population keeps growing, and " after " that, as " ; to add " generated " after " amount of waste " ; to add " and trades " after " development of environmental industries " ; to add " and trades " after " comprehensive policy on environmental industries " ; to add " and principles such as polluter - pays to reduce waste generation and increase incentive to recover waste and, at the same time, studying the feasibility of restricting the disposal of toxic waste in landfills, so as " after " producer responsibility scheme " ; to add " the source separation of domestic waste programme as well as " after " comprehensively implementing " ; to add " as well as separation " after " recovery stations " ; to delete " and " after " green procurement policy " and substitute with ", " ; to add " and strongly urging public and private organizations to develop green procurement guidelines " after " to comply with it " ; to add " and labelling " after " green certification " ; to add " as well as establishing a database " after " products and services " ; to add " expediting the tendering exercise for the remaining lots in phase i of the ecopark and expeditiously drawing up a timetable for the granting of lots in phase ii in order to develop high value - added environmental industries ; " after " ; to delete " and " after " related work ; " and substitute with " reviewing the existing legislation regulating environmental industries and trades and actively studying the feasibility of implementing a licensing regime for certain environmental industries and trades, in order to enable a healthy development of such enterprises and, at the same time, avoid causing unnecessary damage to the natural environment and nuisances to the residents in the vicinity ; and " ; to delete the original " and substitute with " ; to add " and trades " after " participate in those environmental industries " ; and to add " and trades " after " promoting the economic development of environmental industries "

    在"鑒于"之後加上"香港經濟活動日益頻繁和人口持續增加, "在"本港廢物"之後加上"產生"在"構成環保工業"之後加上"和行業"在"政府為環保工業"之後加上"和行業"在"生產者責任制"之後刪除" ,以" ,並以"和污染者自付等原則,以減少產生廢物和增強廢物回收意欲,同研究限制將有毒廢物棄置在堆填區的可行性,從而"代替在"全面推行"之後加上"家居廢物源頭分類計劃和"在"廢物回收點"之後加上"分類"在"遵守, "之後加上"力促各公營和私營機構訂立環保采購指引, "在"環保認證"之後加上"和標簽"在"制度, "之後加上"以及建立資料庫, "在"六"之後加上"加快行環保園第一期餘下土地的招標工作和盡快制訂第二期計劃的批地,以發展高增值的環保工業"在"相關工作"之後刪除"及" ,並以"七檢討現行規管環保工業和行業的法例,積極研究對某些環保工業和行業實施發牌制度的可行性,令該等企業得以健康發展,同避免對自然環境帶來不必要破壞和對附居民造成滋擾及"代替刪除原有的"七" ,並以"八"代替在"具前景的環保工業"之後加上"和行業"及在"推動環保工業"之後加上"和行業" 。
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