損失程度分佈 的英文怎麼說

中文拼音 [sǔnshīchéngfēn]
損失程度分佈 英文
severity distribution
  • : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 損失 : 1. (失去) lose 2. (失去的東西) loss; wastage
  • 程度 : 1. (知識、能力的水平) level; degree 2. (事物變化達到的狀況) extent; degree
  1. Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model

    利用冪律流體本構方,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速及泄漏量;由間隙泄漏量得到漏流功率,由速得到流體摩擦功率,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。
  2. Our results show that, during the evolution of a binary system, the system widens as it loses mass, and the orbital period increase, while orbital eccentricity remains nearly constant, which can explain the distribution regulation of orbital elements of normal g - k giant and barium stars and the distribution character of the heavy - element abundances of barium stars

    計算結果表明,隨著星風吸積過的進行,在星風質量階段系統軌道半長軸將增大,導致軌道周期增大,而偏心率變化不大,由此可以解釋普通紅巨星雙星系統和鋇星系統的軌道根數的規律和變化情況以及鋇星重元素豐特徵。
  3. Because the photospheric temperature of carbon stars are less than 3000k and the temperature of rich - dust envelope formed by the mass loss is lower, and therefore most of the energy from carbon stars are radiated between 1 to 60um range, in which the vibrational and ro - vibrational bands of many molecules also lies, the study of infrared spectra in this wavelength range is very important to reveal chemical compositions, dust formation process, the atmospheric structure and evolutionary status of stars

    碳星光球的有效溫不超過3000k ,同時較大的質量率形成了富碳的塵埃殼層,以致於它的輻射能量主要集中在1 ? 60 m的紅外波段上,並且許多子的轉動振動能譜也集中在紅外,因此在紅外波段的研究對揭示碳星化學成份及其、塵埃形成過、恆星大氣結構和演化狀態都有十重要的意義。
  4. The mixing degree model was established to study the mixing progress of primary and secondary flow. the loss elements of all zones were deeply analyzed and thus the quantitative loss models based on total pressure loss and entropy increase respectively were constructed. the results show that the performance loss magnitude and distribution in ejecting mode of rbcc can be better described by the quantitative loss model expressed by entropy increase

    提出用摻混模型來研究一次流與二次流的摻混,並深入析了各流動區域的因素,建立了以總壓和熵增析為基礎的量化析模型,計算的結果表明,採用熵增模型描述的因子能量化反應引射摻混和大小。
  5. The results showed that : the integrated ecological risk was presented symmetrically along brahmaputra, and was mitigated from valley farming area to mountain pastoral area ; the hazards of main risk sources to risk suffer in each sub - region was differently, drought was the common risk source and imperils farming and stock raising severely ; aimed at enhancing the ability of fighting drought, controlling flood and stabilizing sand engineering measures should be taken steps to prevent those hazards ; mountain hazards must be controlled in resident area and along arterial traffic ; manual work should be done to void hail in those area where hails attacked heavily ; there is need to promulgated risk knowledge to herdsmen for strengthening their risk consciousness and improve the ability of preventing risk and self - help after hazards happened in the pasturing area

    扎囊縣綜合生態風險沿雅魯藏布江呈現對稱型,並由河谷農業區向高山牧業區逐漸降低;各亞區的主要風險源對風險受體的危害強差異較大,乾旱是共同的風險源,造成的農牧業生產最為嚴重;抗風險措施主要有在河谷地帶採取工措施以提高抗旱、防洪和固沙能力,在半山臺地加強治理居民點及交通沿線的山地災害,在多雹區進行人工消雹;在高寒牧區向牧民傳播風險知識,以加強其風險意識,提高規避風險和災后自救能力。
  6. According to the problem of failure and instability in roadbed and cutting engineering of underground karat cavity, on the basis of inhomogeneous elastic damage model, this thesis propose the fem back - analysis from instability - strength degradation, to describe inhomogeneity of material suppose that the material parameter obeys statistical distribution

    摘要針對地下溶洞路床路塹工變形與穩問題,本文提出了基於非均質彈性傷模型的有限元穩強折減反析法,認為材料參數服從統計來描述材料的非均勻性。
  7. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣流在擴張圓錐管壁附近出現離產生較強的擾動,造成局部流動和載體前氣流速沿徑向不均勻;入口擴張管結構對催化器的流動特性有很大影響,但並非擴張角越大,催化器流速武漢理工大學碩士學位論文的不均勻性和壓力也增大,而是存在著一個最佳角,但當擴張角增大到一定以後,擴張角對流速和壓力的影響變小。
  8. 2 ) by analyzing the information and conditional information description mechanism of system states, the problem of stochastic model reduction is investigated based on state aggregation. the information loss and conditional information loss between the full - and reduced - order models are measured by entropy, while the independence and conditional independence within me components of aggregated state are measured by kullback - leibler information distance. several model reduction methods for stable and unstable linear systems are derived by employing two criteria to get aggregation matrices : the minimal information loss and the maximal independence

    2 )析了隨機系統狀態空間模型中的信息和條件信息描述機制,以shannon熵為手段描述線性系統模型降階過中的信息和條件信息,以kullback - leibler信息作為衡量降階模型狀態向量各量之間統計獨立性的測,針對穩定和不穩定系統研究基於狀態集聚的模型降階問題:別運用最小信息準則和最大獨立性原則,得出幾種狀態集聚的信息論方法,並討論降階模型的性質、階次的確定、系統噪聲特性等問題。
  9. Second, a parallel adaptive ray - casting algorithm for graphic rendering of cfi is developed. in the computational model of cfi, the line - of - sight integration is difficult to obtain for 3d complicated flow field, because curvilinear grids, multizone curvilinear grids, and other irregular grids that are commonly used in computational fluid dynamics ( cfd ) present interesting challenges, such as the complex shapes of cell regions defined by grid points ; the wide variation in the sizes of cells in different regions of the grid ; and the intersecting or overlapping nature of multi - grids. the parallel adaptive ray - casting algorithm is extremely efficient to solve these problems

    并行自適應光線投射法繼承了光線投射法適合於任何形式網格的優點;光線與計算網格的交點自適應地反映了原來網格點物理量的,能夠與數值計算的精保持一致;圖像平面的自適應演算法使我們不必從每一個像素發出射線,既提高了光線投射法的計算效率,同時又保證重采樣后激波這樣的高頻信息不會;將并行處理技術引入計算光學流動圖像生成過,解決了大規模數值模擬結果的處理對計算速和內存容量的需求。
分享友人