density of load 中文意思是什麼

density of load 解釋
負荷密度
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  • of : OF =Old French 古法語。
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. Standard test method for maximum media density for dead load analysis of green roof systems

    新暴露頂層系統靜荷載分析用最大介質密度的標準試驗方法
  2. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。
  3. The stresses and nonlinear deformations of thin strip - plate with two simply supported edges under the coupled action of the electromagnetic field arid mechanical load are calculated, the magneto - elastic effects on thin current - carrying strip - plate by the side current and electromagnetic induction density are studied

    由此計算分析兩邊簡支條形薄板在電磁場和機械載荷耦合作用下的應力與變形,研究側向電流和外磁場強度對載流條形薄板的磁彈性效應。
  4. At first, based on the results of in - situ load tests, the load - settle curves are acquired, and the effects of different reinforcement parameters are presented. these parameters include the linear density ratio ( ldr ) ; the location of the top layer of the geobelt measured from the bottom of the load plate ( u ) ; the different materials of geobelt ; the number of reinforcement layers ( n ) and the distance between the two layers of geobelt ( a h ). these results show that the bearing capacities of the reinforced composite foundation can be improved and the settlement can be reduced

    首先,通過現場載荷試驗,獲取了加筋墊層復合地基荷載-沉降曲線,從筋帶鋪設的密度、筋帶的首層間距、不同筋帶材料、加筋層數以及雙層筋帶的層間距等幾個方面分析了以上加筋參數對加筋復合地基承載力的影響,指出筋帶的存在提高了加筋復合地基的承載力,減小了沉降。
  5. This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load

    這種高硅變形鋁合金具有密度小和200以下良好的熱穩定性,特別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和摩擦載荷的零件。
  6. The simulation results show that the model can reflect the distribution of heat flow density under the dissimilarity load, and then made up the shortage of zero - dimension model and three - dimension model

    通過在不同負荷下的模擬計算,說明了該模型能夠反映不同負荷下爐膛內的熱流密度分佈的不同,從而彌補了零維模型和三維模擬的不足。
  7. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板彈道極限速度的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  8. According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger

    摘要針對螺旋槳飛機模型帶動力風洞實驗要求,通過氣動性能分析提出驅動電機的技術指標,在滿足結構約束的條件下,通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等,研製出短時工作制高功率密度三相異步電機。
  9. As the modern highway transportation characterized with high speed, high traffic density, heavy load and channelized traffic, the technology of asphalt pavement have been changed greatly and many methods had been developed to improve the performance of asphalt pavement, such as the superpave ?, the technology of modified asphalt, the sma, etc. among them, the fiber strengthened asphalt pavement is a successful alternative both domestically and overseas

    為了適應現代交通速度快、交通密度大、軸載重、渠化交通明顯的特點,瀝青路面技術發生了較大的變化,高性能瀝青路面superpave ~ ( tm ) 、改性瀝青技術、 sma等得到了應用,而纖維瀝青路面以其技術性能優良、經濟上合理等特點受到人們的關注,具有廣闊應用前景。
  10. Liquefaction of saturated sands is a greatly complicated phenomenon. its generation, development and dissipation are restricted by physical property, stresscondition and boundary condition of soils. in addition, there are a lot of influencing factors such as density, structure property , clay content, degree of saturation, gradation, hydraulic conductivity, initial stress condition and dynamic load character and so on

    砂土液化是一種相當復雜的現象,它的產生、發展和消散主要由土的物理性質、受力狀態和邊界條件所制約,存在許多影響因素,例如土的密度、土的結構性、粘粒含量、飽和度、級配、透水性能以及初始應力狀態和動荷載特徵等。
  11. This view denies the traditional mode that uses the property ( such as stimulus and feeling ) and external appearance ( such as degree, weight, density of hermetic lactic acid, etc ) of training load to define concepts

    運動負荷廣義信息觀就是把運動負荷定義在信息上,它拋棄了原來利用運動負荷的屬性(刺激和感受)和外在表徵(次數、重量、血乳酸濃度等)來定義概念的模式。
  12. Based on the concepts of elastic wave velocity of skeleton and reinforced cohesion, the effect on the velocity by soil density with different saturation was distinguished from that by weakened reinforced cohesion ; on the condition of same confined press and saturation, the elastic wave velocity was measured before and after soil samples were dynamically loaded, so that the elastic wave velocity changed by dynamic load was distinguished from that by soil. nature characteristic

    ( 9 )通過試驗運用了骨架波速和黃土加固凝聚力的概念,將飽和度的增加引起土體密度的增加對波速的影響與水破壞加固凝聚力對波速的影響區分開來;在相同的壓力和飽和度(近似)條件下,採用動力作用前後分別測試彈性波速的方法,將動力荷載對加固凝聚力的破壞作用與土樣自身的顆粒組分對波速的影響因素區分開來。
  13. Each parallel module takes its share of the load, so the current stress for power switch reduced greatly. higher reliability, lower cost and higher power density can be achieved by this way for large capacity power system and also system configuration becomes more flexible

    多個模塊並聯分擔負載功率,使各個模塊中主開關器件的電流應力大大減小,從根本上提高可靠性、降低成本和提高功率密度,並可靈活構成各種功率能量。
  14. This paper selects the pulsating wind power density spectrum of davenport and simulates the wind speed time series and the wind load time by matlab. considering the vertical and horizontal correlation of the pulsating wind, the study make use of the time domain analysis of buffeting to carry out the transient dynamic analysis of the whole frame structure which is loaded by the random pulsating wind load. finally, in terms of the whole frame of the pipe belt conveyor, the evaluation for

    選取davenport脈動風功率譜,利用matlab模擬脈動風的風速時程曲線和風荷載時程曲線,並考慮脈動風的空間豎向和側向相關性,利用抖振時域法對整體機架結構進行隨機脈動風壓作用下的瞬態動力學分析,最後再對圓管帶式輸送機整體機架結構對環境風荷載的適應性做出評價。
  15. It ' s significant for designers to determine the cooling load of the system scientifically by properly reducing indoor comfortable standard and reasonably choosing density of the occupants in the air - conditioned room

    適當降低室內舒適度標準,合理確定計算人員密度,對科學確定空調系統冷負荷具有實際意義。
  16. Based on the measurement, statistic, and analysis of the classified load of typical zones in ningbi, the city ' s load density distribution rule is analyzed

    通過對寧波城市典型區塊分類負荷實測、統計、分析,進一步分析寧波市電力空間負荷密度分佈規律,以此為寧波市電網規劃與建設提供借鑒。
  17. In this thesis, two kinds of load density forecast methods are introduced, classified - divisional load density method and classification method based on artificial neural network and fuzzy theory

    本文介紹了兩種負荷密度預測方法:分類分區預測法及基於神經網路和模糊演算法的聚類分析方法。
  18. At present, there are commonly there kinds of method for spatial load forecasting. the first is load density method, which can give the quantity of the unit according to density of classified load and the constitution of sub - districts " area

    目前,國內外常用的空間負荷預測方法主要有以下三類:第一、負荷密度法:該方法是通過預測分類負荷的負荷密度,根據小區面積構成,計算出各個小區的負荷值。
  19. The pmma ' s craze damage is observed on line in different temperature and invariable load, which show that the change pricks up with the increase of time and temperature. with the disposal of the image, we get a changing rule that the change of the sample of pmma ' s surface crazing damage density follow the change of time and stress. then the data from experiment is to match in non - linearity, pmma ' s density of crazing damage changing with time and stress is available

    對pmma在恆定荷載作用下,不同基溫下的pmma銀紋損傷進行了實時在線觀測,結果表明: pmma試件的銀紋隨持荷時間增加,而且隨著溫度的升高,可以加劇這種銀紋隨時間的變化;經圖像處理,得到了不同基溫下、不同應力水平下, pmma試件銀紋損傷面密度值;進而,對所得數據進行非線性擬合,得到pmma試件銀紋損傷密度隨時間演化規律,以及應力水平依賴性; 3
  20. Some key parameters to affect hepmg performance are studied and some design rules are given. the principle of load distribution and estimate calculation of permanent magnet and electrical exciting are given. methods of improving the power density and weakening aberration rate of sine wave are research

    對影響hepmg性能的關鍵參數進行了計算研究,總結了參數設計規律;提出了hepmg中永磁體和電勵磁的負荷分配原則並給出了估算方法;分析了提高hepmg功率密度和降低電動勢波形正弦畸變率的措施。
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