Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用
蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評
估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
And he shall bring a ram without blemish out of the flock, with thy estimation, for a trespass offering, unto the priest : and the priest shall make an atonement for him concerning his ignorance wherein he erred and wist it not, and it shall be forgiven him
利5 : 18也要照你所
估定的價、從羊群中牽一隻沒有殘疾的公綿羊來、給祭司作贖愆祭至於他誤行的那錯事、祭司要為他贖罪、他必
蒙赦免。
The paper studies how the variations of the parameters of pavement influence the result of the inverse analysis by using monte carlo method, and discusses the effect of the distress conditions of pavement on the result of the inverse analysis
使用
蒙特卡洛法評
估路面參數變異性對反分析結果的影響,同時初步研究了路面損傷對反演結果的影響。
An immeasurable loss has been sustained both by the militant proletariat of europe and america, and by historical science, in the death of this man
這位偉人的逝世不但使歐洲和美洲戰斗的無產階級
蒙受了巨大損失,也給歷史科學帶來無可
估量的損失。
Professor walter willms, the pasture management expert with agriculture and agri - food canadas lethbridge research center, and professor zhao mengli, specialist in pasture zoology at the inner mongolian agriculture university, were invited to deliver this training. zebai, the dean and grassland management specialist of sichuan grassland science academy, li caiwang and bian zhigao, the grass planting and livestock breeding specialists, and luo guangrong and yang pinggui, yak feeding and breeding specialists, gave presentations on how to improve livestock production grazing management systems, how to evaluate pasture health and the grassland zoology systems, how to manage grazing on the natural grassland and co - manage the grassland and keep balance between the grass and herds
此次培訓邀請了加拿大農業部韋斯布里奇研究院牧場管理專家walter willms教授和內
蒙古農業大學牧場生態專家趙萌莉教授,四川省草原科學研究院院長草地管理專家澤柏,牧草種植育種專家李才旺卞志高,氂牛飼養育種專家羅光榮楊平貴,就提高牲畜生產的放牧管理制度,牧場健康和草地生態系統服務評
估,天然草地放牧管理及草地共管和草畜平衡,冬春打貯草基地與免耕種草技術,氂牛適時出欄和氂牛雜交改良技術氂牛本品種選育等先進經驗模式進行了介紹。
Random number generators are used in many areas including computer simulation, monte - carlo techniques on numerical analysis, test problem generation for the performance evaluation of computer algorithms, statistical sampling, and so on
隨機數發生器在很多領域有廣泛的應用,包括計算機模擬、數值分析上的
蒙特卡羅方法、評
估演算法的測試問題、統計抽樣等等。
Thermosetting resin / org - mmt nanocomposite, including exopy resin / org - mmt and phenolic resin / org - mmt, were prepared by in situ intercalation polymerization, and the intercalation and exfloliation behaviour of them were characterized by x - ray diffraction ( xrd ), dynamic mechanical thermal analysis ( dmta ), and different scanning calorimetry ( dsc )
採用原位插層聚合法通過澆模固化成型制備了熱固性樹脂
蒙脫土納米復合材料,並用xrd , dmta , dsc等手段研究了熱固性樹脂與有機
蒙脫土的插層與剝離行為,並對固化過程進行了理論預
估。
This article, firstly, analyzes the uncertainties in the process of investment analyses, and reveals the nature, classification and characteristics of uncertainties. secondly, the article raises the theory basis of solving the uncertainties - the theory of options and the game theory, and analyzes the possibility that using the theory of options and the game theory in the analyses of investment. thirdly, the investment projects are classified according to new standard, and then the article raises the different method for different investment projects
但是傳統的投資項目可行性評
估一般採用的是凈現值法,這種方法認為投資項目的成本可以在投資后以某種方式收回,而不使企業
蒙受損失,並且這種方法未能考慮到投資的靈活性問題,忽略了與投資項目相關的各種不確定性因素,而正是這些不確定性因素形成了投資項目的投資機會價值,因此使用傳統的投資分析方法可能會造成企業項目投資價值的低
估和投資不足。
Evaluation of the ecosystem services of the inner mongolia steppe
內
蒙古典型草原生態系統服務功能價值評
估研究
In this paper, accuracy design is completed through two steps : first, we analyze the error of parallel machine tool, the joints " gap are considered by using monte carlo method, also in mis part, three kinds of error sensitivity are established to wholly reflect the error of moving platform
在並聯機床的精度設計部分,本文在並聯機床的幾何誤差模型基礎上,利用
蒙特卡洛方法綜合分析了包括鉸鏈間隙的各項誤差源對加工誤差的影響,並建立了三類誤差敏感度以全面評
估並聯機床的精度特點。
Abstract : a fuzzy and random method for estimating the three parameters ofweibull distribution was put forward. the method was tested and verified by the random samples obtained by monte carlo method. and the results showed that the estimating values of the parameters are close to the theoretical value
文摘:提出了威布爾分佈三參數
估計的模糊?隨機方法,並對
蒙特卡羅方法產生的隨機樣本進行了驗證;結果表明,求得的參數
估計值十分接近理論值。
The paper calculates the volume of scour and fill of the inner mongolia section of the yellow river respectively through the observed data of cross sections, coming sediment and variations of water level with same discharge and the results are basically the same
摘要通過實測斷面資料、來沙量資料和同流量水位的變化等,對黃河內
蒙古河段的沖淤量分別進行了
估算,其結果基本一致。
Based on the theory of measurement and statistical estimate, this paper furnish three kinds of estimate algorithms : median estimate ( me ), 3 a confidence distance estimate ( 3 a cde ) and confidence distance estimate based on bayes ( cdebb ). the monte carlo digital simulations are applied on the me, 3 a cde and cdebb with the random normal samples & outlier samples
論文運用測度論和
估計理論,探索了可應用於引信決策的中位數
估計、 「 3 」置信距離
估計和基於bayes的置信距離
估計三種穩健
估計演算法,並結合構造的隨機正常值樣本、隨機異常值樣本,用
蒙特卡羅法分別對該三種演算法進行了數字模擬驗證。
Application of robust estimation methods to anomaly appraisal of stream sediment survey in xinhure area, inner mongolia
穩健
估計方法在內
蒙古新忽熱地區水系沉積物測量異常評價中的應用
A range condition assessment and stocking rate guide has been developed for inner mongolian native grasslands to evaluate range condition and set sustainable stocking rates
為內
蒙古的天然草場編制了草場條件評
估和載畜量指南,用來對草場條件進行評
估和制定可持續的載畜量。
Montecaro simulation of high - risk corporation appraisal
高風險公司評
估的
蒙特卡洛模擬
The progress in structure condition assessment is briefly reviewed, and based on this, the general methods of bridge condition assessment are introduced and compared, including monte carlo mthod and analytical hierarchy process, etc
摘要簡要回顧了國內外結構狀態評
估理論的發展,在此基礎上,對
蒙特卡羅法、層次分析法等橋梁結構常用的狀態評
估方法進行了介紹和比較。
Procedures for developing solid cost, schedule, and resource estimates. conceptual, preliminary, and definitive estimates. top - down vs. bottom - up estimates. parametric estimates. life - cycle estimating. use of monte carlo simulation
對成本、進程、資源進行評估的程序。概念的、初始的和結論性評估。自上而下的與自下而上的評估。參數評估。生命周期評估。蒙特卡羅模擬法的使用。