load density 中文意思是什麼

load density 解釋
負荷強度
  • 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...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  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. Fire load density

    火災荷載密度
  6. 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。
  7. 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。
  8. There was marked and extremely marked linear positive relativity among condylar elastic - limit load, largest load, stiffness and bone density, in which all relative coefficients exceeded 0. 862

    其彈性極限負荷及位移、最大負荷及位移以正常組為最高,而剛度及骨礦含量則以切削組為最高,減徑組各項指標均最低。
  9. 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。
  10. 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。
  11. 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。
  12. 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。
  13. 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。
  14. The city grid plan and construction, as well as the distribution design for buildings have close relation with the city ' s load density, in other words, the city ' s load density directly influences the capacity, layout, and equipment type selection of the city grid

    摘要城市電網規劃、建設、建築的配電設計與城市電力空間負荷密度息息相關,其值的大小直接影響城市電網定容、布局、設備選型等。
  15. 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。
  16. During the research on substation location in rural power subsystem planning, builds space optimal model on the basis of theory of christaller ? center geography, which utilizing economic supply radius to optimize the number of substations based on the average load density. with the reference of the said number, uses the method of alternative address selection to achieve the optimal solution

    在農村電網變電所布局子系統規劃研究中,以克里斯塔勒的中心地理論為基礎,建立了基於gis的變電所布局空間優化模型,該模型利用經濟供電半徑優化平均負荷密度下的變電所數量,並以此為參照,採用交替選址分劃法求得變電所的合理布局。
  17. It put out the system requirements from the whole structure, function structure, developing mode, user management, the design of software and database, safety design, system running efficiency, developing plan, etc. it put out the basic graphics operation, the module building and editing of the electrical network, the devices records and function management the devices operating management, the function producing the electrical subject chart, the outside interface function, the in - out function and webgis, etc. it discusses some advanced functions including the theory loss and practical loss computing of the distribution line, the reliability basic data producing and conversing tools, power cut management, the load supplying from other ways, the repairing management on user fault reports, th e new load installing assistant function, the management of hanging the cards and simulating operation, the monitonng and analyzing management of the running information, load monitoring and load density analyzing function and so on

    從系統總體結構,功能結構,開發模式,用戶管理,軟體和數據庫設計,安全性設計,系統運行效率,開發計劃等方面滿足了系統的總體要求;系統實現了基本圖形操作,電網建模與編輯,設備臺帳及運行管理,設備操作運行管理,電力專題圖生成,外部介面,輸入輸出, web - gis等基本功能;系統還具有配電線路理論線損計算及實際線損計算,可靠性基礎數據生成和數據轉換工具,停電管理,負荷轉供功能,用戶報修管理,用戶報裝輔助,掛牌管理和模擬操作,運行信息分析監控管理,負荷監控及負荷密度分析等高級功能:並能從運行方式,用戶權限,運行日誌三個方面闡述本系統的管理方式。系統總體結構合理,功能及介面齊全,配置擴展方便,可操作性強。
  18. Allowing for the factors affecting the load forecast in the practical engineering project, i compare the characteristic and their applicability of the above spatial load forecasting methods, and then get the following results. the classified - divisional load density method has tendency to be affected by human factors, but the classification method based on artificial neural network and fuzzy theory can make up with this fault

    考慮到實際工程項目中影響負荷預測的各種因素,我對上述幾種空間負荷預測方法的特點和適用范圍進行了分析比較,認為分類分區預測方法受人為因素影響太多,特別是對于缺乏歷史數據的新區進行負荷密度預測,往往不能得到滿意的結果,而基於神經網路和模糊演算法的聚類分析方法可以彌補這一缺陷。
  19. Analysis and optimization of cooling load density for an endoreversible air refrigerator

    內可逆空氣製冷機製冷率密度分析與優化
  20. Cooling load density optimization of irreversible air refrigeration cycles with the loss of heat leak

    考慮熱漏損失的實際空氣製冷機製冷率密度優化
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