起始模量 的英文怎麼說

中文拼音 [shǐliáng]
起始模量 英文
initial modulus
  • : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
  • : Ⅰ名詞1 (最初; 起頭) beginning; start 2 (姓氏) a surname Ⅱ動詞(開始) start; begin Ⅲ副詞[書面...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 起始 : origin; origination; parentage; germ; initiation
  1. As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction

    對于某型號導彈油箱結構焊接過程的數值擬計算,主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接端的選擇對結構焊后變形的影響規律,擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似,即焊後壁板沿焊縫縱向發生了向下的撓曲變形,中部向下變形最大;沿焊縫橫向發生了向上的撓曲變形,壁板兩端部變形較大,且壁板前端變形大於壁板後端。
  2. It is analyzed the influence of sericin aggregating state change caused by different soaking agents and treatment processes on the soft properties of silk in such aspects as initial modulus, breaking elongation and lubrication level variance

    文章從初、斷裂伸長、潤滑度變化等幾個方面,分析了不同泡絲劑和不同處理工藝引絲膠聚集狀態改變對絲條柔軟性能的影響。
  3. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單光場」相互作用系統的子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  4. By tracing back to the origin of the temple fair, an essential part of the chinese traditional culture, and the bazaar as the by - product from it, the paper analyzed the quantitative change based on the emergence of the " bazaar ", and the first time of the qualitative change of the temple fair during its evolvement, finding the internal configuration of the market spaces " temple - bazaar " from the example of the juehai temple ' s canhua temple fair of huzhou, we can say thaf ' temple plus bazaar " is the right pattern after its first qualitative change

    論文通過回溯廟會這一中國傳統文化的精華的源及集市作為廟會活動的衍生物的產生,分析廟會在漫長的演變過程中通過「市」的介入開發生變,直至廟市的形成完成第一次質變的過程,找到廟市空間的內部結構「廟?市」 。並通過對湖州新市覺海寺蠶花廟會進行構成要素整理,得出「廟?市」結構體在第一次質變完成後的表現: 「廟+集市」式。
  5. The operation data is used more safely by embedded, thus the maintenance and extending of the program becomes easy. the program also has taken inner - plant economical operation into account. from the simulate - optimistic calculate, it is proved that the model and arithmetic is practicable and can be used as the guideline of opertation

    本系統能夠根據不同的水庫水位、日天然入庫流、日計劃負荷、梯級間的水流滯時進行優化計算,同時考慮廠內經濟運行,通過擬優化計算證明,該型和演算法是適用,能夠用來指導實際運行。
  6. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重; ? ni - sn金屬間化合物包括兩層:其中,靠近ni焊盤的那層比較平整,同時, eds結果分析表明其化學式近似為nisn ,而靠近焊料的那層呈板條狀,化學式近似為nisn _ 3 ,文獻表明其為亞穩相; ?充膠使得樣品最大應力范圍降了接近一個數級並降低了dnp的作用,同時,器件失效式變為晶元粘接層分層; ? c - sam結果表明本論文採用的充膠樣品,晶元粘接層分層於500周左右,而經過2700周循環的樣品,分層幾乎擴展到整個界面。
  7. This modeling study shows that complex binding capacity, which affects drug initial conditions, drug ? polymer interactions, and bound drug behavior in aqueous solution, is crucial in controlling drug release kinetics

    型研究顯示復合包合容影響藥物原狀態、藥物-聚合物間相互作用及水溶液中結合型藥物的行為,其在藥物控釋動力學中決定性作用。
  8. The second, the launching dynamics calculation of projectile is arranged by using the theory of uniform design, and the concept of the integrating quantity for initial disturbance and the concept of the independence factor ' s effecting degree to dependence factor is inducted too. from the model of stepwise regression, the main random factors and their effecting degrees to initial disturbance can be obtained also

    第二,用均勻設計理論安排彈丸發射動力學計算,通過引入擾動綜合的概念和自變對因變的影響程度的概念,由逐步回歸型分析了影響彈丸擾動的主要因素及其對擾動的影響程度,並推導了由自變的標準差計算因變標準差的公式。
  9. The paper includes five parts, begins with the concepts of internet, internet education and internet college, in this way make the research position clear ; then present a brief study of the internet college ' s rising and history, divides its development phases by the term of technology and culture, briefly introduce its current situation, such as its scope, organizer, education type, system and fee - charging, etc ; then according to internet college operation process, take four factors to present a detailed analysis, they are : education needs, education service, organization administration and quality guarantee ; thereafter is a prospect of internet college ' s future development ; the technical innovation of internet college, its culture development and the structure of a learning net in a digital time ; finally after a brief summary of the whole paper comes a presentation of the problems the internet college facing in its operation

    文章共五個部分,首先由對網路、網路教育、網路大學的理解開,明確論文的研究立場;接下來對網路大學的興作簡單考察,從技術與文化的角度粗略劃分其發展階段,並簡要描述當前狀況,如規、舉辦者、實施教育的類型、學制與收費等;然後再根據網路大學運行的過程,選擇其中從教育需求、教育服務、組織管理到質保障四個要素加以分述;之後從網路大學技術的革新、網路大學文化的滋長與數字時代學習網路的構建三個方面對網路大學的發展略作展望;最後對前文作簡單結論的基礎上就網路大學的特性、教學及運行等方面問題進行一些討論。
  10. ( 1 ) in newly - constructed stage and early stage of reclamation, the most important factor of runoff is 30min rainfall intensity. in later stage of reclamation, the most important one is 45min rainfall intensity. and the runoff capacity is the most important influence factor to soil erosion always ; ( 2 ) on the certain degree, loosening surface has an active function to infiltration condition but not to conserve soil ; ( 3 ) the most runoff is formed on platform of stackpile and the soil erosion often happens in the slope ; ( 4 ) stone - soiled dumps have an advantage over soil at respect of erosion resistance so that soil is not adapt in covering slope ; ( 5 ) grass has a better role in conservation of water and soil than arbor in early stage of reclamation ; ( 6 ) arbor - arboret - hemp mix is the best model for conservation

    結果顯示:在未復墾時期和復墾初期, 30min降雨強度對徑流影響最大,復墾後期徑流與45min雨強相關性最強,而徑流對土壤侵蝕的影響終最大;通過疏鬆地表巖土只在一定程度上改善地表的入滲條件,並不能到保土的作用;平臺為徑流的主要形成區,而土壤侵蝕主要集中在斜坡;土石混排坡的土壤抗蝕性比覆土坡的要大得多,在排土場形成過程中不宜用厚層黃土覆坡;在復墾初期,純草式水土保持效果明顯好於純喬式。
  11. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學型,在此基礎上將異步電機的數學型與直流電機的數學型進行了比較;然後介紹了矢控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢脈寬調制策略。本文對異步電機的矢控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢的合成時,選擇只包含p 、 o狀態的空間電壓矢作為,解決了扇區切換時的矢突變問題。
  12. The relationship between the market clearing price and generation capacity adequacy is represented as a nonlinear function. based on the loads forecasted and the estimated maintenance schedules of generation companies, the market clearing price can be obtained

    擬了現貨市場電價與系統發電容充裕度之間的函數關系,依據對其它發電公司檢修時間的概率估計和負荷預測結果,求得發電容充裕度、進而現貨市場的電價。
  13. Firstly, this paper describes the mostly track initiation methods for engineering usage. for the sequence track initiation algorithms can ’ t be used under complex circumstance, and batch processing methods ’ computation burden is too large to carry out, a new algorithm based on “ one step delay ” model is presented, which adopts the adapted multiple hypothesis algorithm for data association, in order to be suit for the complex circumstance, multi - stage filtering is added in. simulation results show that the algorithm which is used in this paper is easy for implementation, the ratio of correct track initiation is high, and the foreground of this algorithm ’ s engineering application is better too

    本文首先從工程角度出發,研究了現存的主要航跡演算法,針對順序方法無法用於復雜環境,批處理方法計算大不利於實現的缺點,提出了基於一步延時的航跡演算法,該演算法採用改進的多假設演算法處理數據關聯,同時採用多重濾波以更好的適應復雜環境,擬結果表明,本文使用的演算法簡單易於實現、正確航跡概率高,有很好的工程應用前景。
  14. The methods of data association and tracking beginning and ending to single and multiple targets tracking in the multi - echo environment is listed. at the end of the thesis, a method is introduced, which is that based on the most closed principle, without the chosen echo, the current forecasting values added yawp based upon the former state values is considered as the target state estimated value. the value is an input of observation equation, the output of the observation equation is considered a chosen echo. and the method is validated in the simulation results

    針對多目標跟蹤問題,首先對多目標跟蹤的原理和跟蹤門的形成方法進行了概述,並對多回波環境下單目標跟蹤和多目標跟蹤的常用的數據關聯方法和跟蹤、跟蹤終結方法進行了介紹,在本文的後半部分,對多目標的運動狀態進行了擬研究,提出了一種目標狀態估計方法,該種方法的思想是當前時刻如果目標跟蹤門內沒有所期望的候選回波,首先計算出目標在前一時刻的運動狀態下對當前時刻的預測值,並將該值疊加上系統噪聲作為測方程輸入值,然後將觀測值作為候選回波對目標進行狀態估計。
  15. According to the requirement of a certain air - borne tracking system, we primarily finish the development of air - borne tws date processing system by using oriented object programming theory. the tws data processing system includes models such as, auto track initiation, auto track expiry, track maintenance, track initiation by hand, track expiry by hand, and communication i / o etc. the tws data processing system developed and encapsulated as engineering software is tested by radar simulator and practical radar

    根據某型機載對地跟蹤系統的研製要求,利用面向對象的程序設計思想,初步設計研製完成了機載對地tws數據處理系統,包括測數據預處理,自動目標與終結,手動目標與終結,跟蹤維持,通訊介面等塊。
  16. And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference

    在此基礎上,從東西方科技文化的發生和源入手,從耗散結構的觀點出發,考察了認知主體的隨機性選擇這種文化的內漲落因素,是怎樣依託于各自不同的初條件?地理氣候條件,在自然觀、物質觀和思想式方面一步步得到正反饋式的放大;進而,在文化系統內部種種非線性的相互作用下,從競爭和協同所必然產生的序參和吸引子兩個方面,分別考察了東西方科技文化不同的發展規律,聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制,從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。
  17. On the basis of deep research of its working principal, basic algorithm and error spread character, the gyro constant drift, acceleration zero error and constant initiation error of static pedestal strapdown inertial navigation system are quantitatively analyzed. furthermore with the medium precision inertial navigation device as the simulation object, we made some mathematical simulation

    詳細研究了捷聯式慣性導航系統的工作原理、基本演算法和誤差傳播特性;對靜基座條件下捷聯慣導系統中陀螺常值漂移、加速度計常值零位誤差和常值初條件誤差引的系統誤差進行了定分析;以中等精度的慣性器件構成捷聯慣導系統作為擬對象,進行了數字擬。
  18. Based on the constraints of the one - time start up of pumping station, a optimal model established by taking both the start up time and the shut down time as the optimized variables is presented herein ; by which the modeling variables are less and the constraint conditions of the one - time water pumping can be satisfied, and then the constraint processing of the variables are simplified as well

    針對泵站中一次性開機的約束條件,提出了以運行時刻和運行結束時刻作為優化變的優化型,該型變少且自然滿足一次性引水約束條件,簡化了約束處理。
  19. The finite difference method and matlab / simulink are used to simulate the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines. a method using selector block in matlab simulink to solve the equations in spatial dimension is developed. the pressure transients under different conditions such as different initial flow rate, different viscosity and different initial gas bubble volume are simulated

    採用有限差分及matlab / simulink擬方法,提出了採用simulink中selector塊求解空間域上積分的方法,對低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程進行了時間域和空間域上的求解,對不同、不同液壓油粘度和不同初氣泡等條件下的瞬態壓力脈動過程進行了擬研究。
  20. It is always a paradox to improve the performance of tracking initialization and to reduce its time cost, through tracking initializationhas been divided into different ranks to which we have different treatment, initializing fleetly for high rank, waiting to the next one or two step to initialize for lower ranks, non - initializing for the lowest ranks. the result of simulation shows that this method accelerates the average initialization velocity with certain probability of initialization and false initialization

    航跡與航跡時間的矛盾一直是難以解決的問題,通過引入航跡等級化的方法,不同等級的航跡區別對待,等級高的航跡快速,等級較低的航跡延遲一步(或兩步后),等級最低的航跡暫時不擬結果表明,此方法在保證一定航跡概率與虛假航跡概率的情況下,加快了平均速度。
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