local stability 中文意思是什麼
local stability
解釋
局部穩定性-
The reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area. stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition. the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area
通過對沙坡頭人工固沙植被區主要建植種群檸條（ caraganakorshinskii ） 、花棒（ hedysarumscoparium ）和油蒿（ artemisiaordosica ）的繁殖特性及種群結構的研究，以及自然侵入的一年生草本植物小畫眉草（ eragrostispoaeoides ）和霧冰藜（ bassiadasyphylla ）繁殖特性的研究，探討了在植被的持久性和變異性，分析評價了主要受惡劣環境壓力下的人工固沙區植被的穩定性。 -
Stability also depends upon the flexibility of the local economy.
穩定還有賴于當地經濟的靈活適應性。 -
The line speed stability of the designed digital controller keeps in good agreement with the requirements in local well logging, and the workload is also decreased
所設計的數字控制器的速度穩定性完全滿足測井工作需要，降低了勞動強度。 -
First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved
首先根據大量實測資料及文獻資料，就歷史變遷、近期演變、河演趨勢預測等方面，初步探討了長江口南支河段河道演變規律及原因，並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析，論證了工程河段建設水庫的穩定性及可行性。 -
Based on field test and theoretical analysis, the mechanism of instability of slurry - supported excavations was investigated from angles of soil arching effect, time - dependent effect, overall stability, and local stability
同時，根據現場試驗和理論研究成果，從土拱效應、時間效應、整體穩定性和局部穩定性等方面分析了泥漿護壁開挖的失穩機理。 -
The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film
研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性，基於可用三個函數表示動態油膜的非穩態非線性油膜力模型，將轉速比、不平衡量、阻尼比、粘度作為控制參數，利用floquet乘子預測周期解的局部穩定性，發現倍周期分叉是由一定量的不平衡引起的，而hopf分叉是由油膜失穩造成的。 -
Using analytical and numerical methods the local stability, the bifurcation and long term behaviors of the imbalance rotor dynamic system are investigated in a wide range of various parametric configurations. it is concluded that the results of both of the two methods are the same for analyzing local stability of the periodic solutions. but after the bifurcation of the periodic solutions the dynamic behaviors of the system with the parameters changed only can be analyzed by numerical method
利用理論與數值方法，在較寬的參數范圍內研究了不平衡柔性轉子系統運動的局部穩定性、分叉和長期性態，結果顯示二者在求周期解的局部穩定性是一致的，但數值方法可分析周期解分叉以後系統隨參數變化的動力特性，這是floquet理論的局限性。 -
With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較，論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點，並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序，以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究，得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論；採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析，重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用，得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論；通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究，得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。 -
Local buckling capacity of steel composite beam subjected to combined bending, shear and patch loading is one of key problem in steel structures design. the computational formula for local stability of web was based on the assumption of infinite - elastic perfect plates in the steel structures design code ( gbj17 - 88 ). but in the revised code ( gb50017 - 2003 ), this formula was made big change with reference to british code ( bs5950, partl ) and australian code ( as4100 ), the related research result of our country was included as well. in the modified formula, influence of early geometric imperfection and elastic - plastic buckling stage were considered, which is compatible with both actual circumstance of engineering and the strength formula of beams under bending stresses ( considering partial plasticity of the section ). in this paper, the preceding problem is deeply analyzed and studied, considering the effects of various geometric parameters and stress combinations on buckling critical stress of web, the revised local buckling correlative formula for transverse and longituded stiffened web panels under combined stresses is analyzed and verified by finite element method
組合鋼梁腹板在彎、剪及局壓復合應力作用下的局部屈曲承載能力是鋼結構設計中需考慮的問題，新的《鋼結構設計規范》 （ gb50017 ? 2003 ）對此部分內容作了較大改動，原規范中關于腹板局部穩定的計算公式是基於無限彈性的完善板假定；新的規范則參考了英國規范（ bs5950 part1 ）及澳大利亞規范（ as4100 ）並結合我國相關研究成果，考慮了屈曲進入彈塑性階段以及初始幾何缺陷的影響。這不僅與工程實際情況相符，而且也與鋼梁在彎曲應力作用下允許截面部分進入塑性的計算公式相協調。 -
The theoretical critical pressure of the local stability will be improved further, respectively considering the non - uniformity of circumferential stress distribution over the ring - stiffened cylindrical shell and the torsion of the frame
分別考慮周向應力不均勻分佈和肋骨扭轉對殼板穩定性理論臨界壓力的影響。 -
In order to study the stability of non - newtonian fluid and its flow pattern discrimination method, the integral stability theory and local stability theory are applied to the concentric annulus flowing of plastic fluid and power - law fluid, then a relevant stability parameter expression of discriminating flow pattern is derived and set up in the paper
摘要針對非牛頓流體的穩定性問題及其流態判別的研究，將整體穩定性理論及局部穩定性理論應用於塑性流體和冪律流體在同心環空的流動中，建立和推導出相對應的判別流動狀態的穩定性參數表達式。 -
The bar sectional sizes are optimized to make the weight of the structure minimized under constraints of stress, displacement and local stability. at the second step, supposing the active displacement constraints of the first step keeping unchanged. a quadratic programming model that increases the structural rigidity is solved
求解時分為兩層，第一層在給定節點位置下對桿件截面進行優化，同時考慮了應力、局部穩定約束和位移約束的重量最輕；第二層假定截面層的有效位移約束作用不變，求解一個使桁架剛度增強的二次規劃問題，獲得既不違反約束，又使目標函數不上升的新的節點位置，再返回第一層。 -
The stress and local stability constraints are transformed into movable lower bounds of sizes. an inverse variable xt = ? is inducted, and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation. the lemke algorithm is used to get the final design result
把復雜的應力約束和局部穩定約束轉化為動態尺寸約束，引入倒變量x _ i 1 / a _ i將目標函數展開為二階近似，將位移約束用莫爾積分化為一階近似，用對偶規劃方法將原問題化為等價的二次規劃問題，調用lemke演算法，求得最優設計結果。 -
Second, to solve the local stability problem of the bar under pressure, a function relationship between the sectional area and the inertia moment is established by using the similar transformation. accounting to the critical pressure stress, iterative formulas are derived which include big, middle and small flexible degree
其次，對于桁架結構中受壓桿件的失穩破壞，本文提出採用相似變換方法找到截面積與慣性矩的關系，根據壓桿的臨界應力分別導出大、中、小柔度的迭代公式，設計出壓桿的截面積。 -
In current power system, there is few typical " single generator infinite bus system " modal. that local stability control used in one plant or transformer substation can solve stability problem of the network is impossible
在現代電網中已經難以找到「單機一無窮大」的典型模式，在一個廠站用「就地穩定控制」的方法能夠解決電網穩定問題的情況也已經很少。 -
Modified local stability factor
修正的局部穩定性因子 -
This paper covers a batch plate local stability checking method
摘要介紹一種批量校核板的局部穩定性的方法。 -
Local stability and global stability of siqs models for disease
幾個具有隔離項的傳染病模型的局部穩定性和全局穩定性 -
Third, for the problem of the stress, local stability and displacement constraints, the sequential quadratic programming ( sqp ) method is adopted in this paper
第三，對于應力約束、局部穩定約束和位移約束的問題，本文採用序列二次規劃sqp方法進行了求解。 -
For innovation diffusion model with three products, the global stability of the unique positive equilibrium is proved, by using the generalized poincare - bendixson theory and the competitive system theory. the threshold between the extinction and existence of the product without advertisement in the market is considered. for four products, the local stability of the unique positive equilibrium is proved through hurtwiz theory
當三個產品在市場中競爭時，利用推廣的poincar - bendixson定理以及競爭系統理論，我們證明了模型有一個全局穩定的正平衡點，並得到一個沒有廣告宣傳的產品佔有市場或被淘汰的閾值，當四個產品擴散時，利用hurwitz定理，我們證明了唯一正平衡點是局部穩定性的。
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