load concentration 中文意思是什麼

load concentration 解釋
載荷集中
  • 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...
  • concentration : n. 1. 集中。2. 【化學】提濃,蒸濃,濃縮;濃度;稠密度;【礦物】汰選,選礦,富化。3. 集中注意,專心。
  1. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。
  2. The fem analysis for the three structures of sling screw - thread - based, namely the circle, rectangle and that with strengthen plate, and the tensile test for sling screw - thread - based in torpedo body show, that the bonding with strengthen frp plate between load - bearing metal parts and frp hull with hatch can reduce the stress concentration and significantly decline the local stress in frp hull with hatch. this structure can also be used in the similar produces. ( 3 ) the effects of parameters for bonding process on the adhesive strength and leakproof are discussed, such as the bonding interface reduce, bonding surface treatment, match of adhesive surface, protect for adhesive seam and so on

    本文通過某型號雷體吊耳螺紋座結構的三種方案,即圓形昂耳螺紋座、長方形吊耳螺紋座、具有增強板的吊耳螺紋座的有限元分析及雷體吊耳螺紋座拉力試驗結果證明:金屬承力件與開口玻璃鋼殼體粘接採用玻璃鋼增強板補強,緩和了應力集中,使開口殼體局部應力明顯降低,類似的水下兵器用金屬承力件與開口復合材料殼體膠接均可採用此種結構形式。
  3. The verification results show that the model can simulate well the tidal levels, current velocities, sediment concentration, bed load transport, diversion ratio in the bifurcation section, topographic change of the north and south channels, as well as sudden siltation caused by typhoons

    大量實測資料驗證表明,該數學模型可以較好地模擬長江口地區的潮位、流速、流向、含沙量、底沙、分流比、南北槽地形變化和臺風暴潮造成的航道驟淤情況。
  4. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水,對沙峰滯後於洪峰的特性進行了剖析,建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程,可以用來查補延長沙峰滯后時間,為下游各站沙峰傳播時間的準確預報提供依據。
  5. The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation

    結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接合面發生反射,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力集中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能量的積累,造成塗層試樣硬度變化和塑性變形。
  6. City construction is identical with applying load on soil mass, so researching maximal area coverage and locus of stress diffusion, transfer and concentration in soil will be helpful of analyzing the deformation and stabilization of city foundation. it also is important content in the research of ultimate bearing resistance of city geologic environment, and it will provide beneficial reference for city disaster reduction, prevention and city sustainable development

    城市建設等同於在城市下伏土體上不斷施加荷載,土中應力分佈、傳遞、集聚的最大區域、部位的研究,將有助於分析城市地基變形與穩定問題,是城市地質環境極限承載力研究中的重要內容,可為城市減災、防災,城市可持續發展提供有利的依據。
  7. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明: 20世紀60年代下荊江裁彎后,三口(松滋口、太平口、藕池口)分流分沙減少,下荊江徑流量和輸沙量相應增加,洞庭湖泥沙淤積減少; 80年代中期以後,長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢,城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡;三峽工程初期蓄水運用后,長江中游含沙量沿程恢復距離較長,但床沙質部分恢復距離相對較短。
  8. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明,近期隨著水沙條件、潼關高程等的變化及工農業的發展,渭河的水環境發生了巨大變化,表現在年水量及汛期水量銳減;大流量級水流出現次數減少,水量減少幅度大;年輸沙量總體減少,河水含沙量增大,泥沙淤積嚴重;河道向擺動型發展,河道萎縮,河勢惡化;大洪水發生的次數顯著減少,高含沙小洪水明顯增多;同流量洪水位普遍抬高,洪災發生次數增加,洪災加重;水質污染極為嚴重。
  9. The model of studying the reservoir deposition is one - dimension and two - dimension embedded mathematical model, which is a one dimensional model study the whole reservoir and the two dimensional model study some important parts of the reservoir by utilizing the one - dimensional model output data. for pushihe lower reservoir, one - dimensional model studies the whole reservoir, and the two - dimensional model study the part of reservoir of 4. 5km in length near the intake of the pump - turbine, to study the layout of the deposition and the and concentration of the suspended load near the intake

    在一維數學模型計算中考慮了兩種一、二期工程的銜接方案,每種銜接方案又分別計算了五種降低水位運行的方案,即保持全年庫水位不變、保持汛期庫水位不變、和在洪水來臨時把庫水位降到65 、 64 、 63 、 62米等;每種方案又比較了兩種起調流量( 1000和500m ~ 3 s ) ,總共進行了20個方案的比較計算。
  10. The effect of complex groundsill and dam body ' s construction process can be considered conveniently when finite element method is used to analyze dam body ' s stress. but there is no design criterion correspondingly because of the stress concentration that is caused by load at dam heel and dam toe under elastic state. furthermore, its value is easily affected by mesh size

    有限元法分析拱壩壩體應力可以較方便地考慮復雜地基條件和壩體施工過程的影響,但是由於彈性狀態下拱壩壩踵、壩趾處受荷載后的應力集中現象,而且其數值受網格尺寸影響較大,因此至今無與之相應的設計準則。
  11. Based on reynolds equation and solid particles carrying model, a theoretical model for piston ring - cylinder liner lubrication in liquid - solid lubrication had been proposed. the effect of solid particles " diameter and concentration are introduced in the model. the influence of the particles " diameter and concentration on load, film thickness and friction force had been analyzed

    基於reynolds方程及顆粒承載模型,引入顆粒直徑、濃度等參數,並建立了分析液固二相潤滑下活塞環?缸套摩擦副潤滑狀態的模型,探討了不同顆粒直徑和濃度對承載、油膜厚度及摩擦力的影響。
  12. To examine the relationship between exhaustion index scores and concentration scores for individuals from their sample, load these scores into appropriately named arrays and instantiate the class with these array values

    要研究他們樣本中個人的消耗指數值與集中度值之間的關系,請將這些值裝入適當命名的數組中,並用這些數組值對該類進行實例化。
  13. The spiral sheet metal carry the lotus test to be apply in the bearing power test of the deep foundation soil and water table following foundation soil extensively because the ability goes into the surface of earth is following the certain depth area curve carry on test, according to the element that the spiral sheet metal carries the lotus test, through contrast with plate load test, the spiral sheet metal carries the lotus test to be applicable to the shallow storey foundation soil equally, the size of the spiral sheet metal time area concentration diagram is not big to the test result influence, the spiral sheet metal carries the bearing power of the lotus test assurance to no longer carry on the depth area curve redress

    摘要螺旋板載荷試驗因能旋入地面以下一定深度進行試驗而廣泛應用於深層地基土及地下水位以下地基土的承載力測試,根據螺旋板載荷試驗的原理,經與平板載荷試驗對比,螺旋板載荷試驗同樣適用於淺層地基土,螺旋板面積的大小對試驗成果影響不大,螺旋板載荷試驗確定的承載力不再進行深度修正。
  14. Shafts and axles, calculation of load capacity - part 2 : theoretical stress concentration factors and fatigue notch factors

    軸類.負載能力的計算.第2部分:理論應力集中因素和疲
  15. Regardless of insulin secretion, a low ? glycemic load diet has beneficial effects on high - density lipoprotein cholesterol and triglyceride concentrations but not on low - density lipoprotein cholesterol concentration

    而不顧胰島素分泌,低糖飲食對高密度脂蛋白膽固醇和甘油三酯濃度有有利的效應,但是對低密度脂蛋白膽固醇濃度則無。
  16. In the full cohort, plasma high - density lipoprotein cholesterol and triglyceride concentrations improved more on the low ? glycemic load diet, whereas low - density lipoprotein cholesterol concentration improved more on the low - fat diet

    在全部人群中,血漿高密度脂蛋白膽固醇和甘油三酯濃度在低糖飲食中改善更好,反之,低密度脂蛋白膽固醇在低脂飲食中改善更好。
  17. But due to the complexity of factors influencing fatigue performance, such as wave load and pressure from cargo, the combination of different stress components, stress concentration of local structure details, mean stress and the corrosive environments, etc, there are different specifications with varying classification societies, so it will lead to the diversity of results from different fatigue assessment methods

    但是,由於影響結構疲勞性能的因素十分復雜,如波浪載荷和局部的貨物壓力,各種應力成分的組合,結構的局部細節應力集中,平均應力的影響,結構分身所處的腐蝕環境等等,所以各個船級社有關的規定也不一樣,這樣必然造成各個評估方法之間的差異。
  18. Abstract : a number of comprehensive study data of cores, structures, inclusions, well - testing performance and fracture pressure gradient have shown that there are several fracture types in the jurassic tight sandstone reserviors of western sichuan basin, such as local structures, subtraction ( load relieving ), stratification and corrosion etc. the leading origin type of fracture is the paleo - subtractive one formed by uplifting subtraction during geohistorical process, which is the main percolation passage in the process of oil / gas concentration, reservoiring and production

    文摘:川西侏羅系緻密砂巖儲層中,存在局部構造、卸載、層理及溶蝕等數種裂縫類型,而由地史過程中的隆升卸載作用形成的古卸載裂縫是主導裂縫,也是油氣富集、成藏及產出過程中的主要滲濾通道。
  19. When there is original stage support only, the load ratio of surrounding rock gets more and more bigger with the increasing of crust stress, correspondingly, the load ratio of initial stage support gets smaller. when the initial stage support and the second support act each other, the load ratio of surrounding rock is more than fifty percent, and it has little change with the increasing of crust stress. the whole analysis of the surrounding rock and support shows that the bottom arch of liner and the feet of liner have serious stress concentration, so do the sidewalls and the foot of a wall of the surrounding rock

    通過屈曲理論分析結果對比表明,彈性屈曲和突變失穩分析的結果比非線性屈曲分析的結果要大得多,非線性分析由於考慮了材料非線性和幾何非線性,因而結果與實際接近實際;當只有初期支護時,隨著地應力的增加,圍巖的荷載分擔率增大,相應地,初期支護的荷載分擔率就減小了;當有初期支護和二次襯砌共同作用時,圍巖的荷載分擔率在50以上,這一分擔率隨地應力的增加其變化不大;支護和巖體的整體分析表明,襯砌底拱及拱腳處應力集中嚴重,隧道巖體側墻及墻角圍巖的應力集中也較大。
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