穩定性比率 的英文怎麼說

中文拼音 [wěndìngxìng]
穩定性比率 英文
stability ratio
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 率名詞(比值) rate; ratio; proportion
  • 穩定性 : antiwhip
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術能不如瀝青碎石好,但路用彈能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用能仍值得探討,瀝青橡膠碎石結構層具有變形能和抗裂能良好,空隙小,防水能好,熱較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛基層之間夾鋪瀝青橡膠碎石薄層,雖然造價夾鋪土工布高,但其施工工藝,抗裂能和防水能均優于土工布,不僅可以大大減少半剛基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  2. The bad : the game is short and not very challenging ; unstable frame rate ; the camera is occasionally frustrating ; weak gunplay

    缺點:游戲較短而且不是太具挑戰;不的幀;視角有時候較惱人;槍戰部分較弱。
  3. The height of meniscus is in inverse proportion to the frequency, i. e., the higher the frequency, the more stable the meniscus

    彎月面的高度與電源輸入頻成反,頻越高,彎月面越好。
  4. The physicochemical properties of cx - 2 correspond to cytodex - 3 mc produced by pharmacia, including of color, loss of drying, area, density, size, soakage, dilation, stability, size distribution, mechanical strength, surface structure, etc., but its cost of manufacture is lower than cytodex - 3 " s

    通過優化工藝制備的cx - 2微載體,在色澤、乾燥失重、表面積、成球、密度、直徑、吸水量、溶脹度、粒度分佈、表面結構、機械強度、等理化指標與pharmacia公司cytodex - 3微載體相當,但成本價格要低得多。
  5. The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size

    結果表明: mh電極中加入納米鎳粉對負極的大電流放電能不利。 mh電極中加入超細鎳粉后電極綜合能好,尤其是1c循環,其最佳添加量為5wt 。減小鎳粉粒度提高了電極合金利用、質量容量、體積容量,但增大了負極1c容量衰減,因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環
  6. At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry

    在線階段,已有的研究表明:一方面,在內爆(或外爆)過程中擾動波長變短(或變長) ,使得不的增長變大(或變小) ;另一方面,即使不存在界面加速度,界面運動仍然可能導致擾動幅度的增加,柱幾何中擾動幅度的變化速于界面收縮的平方,球幾何中擾動幅度的變化速于界面收縮的三次方,並且擾動幅度的變化方式(增加或減少)只與初始時刻擾動幅度的增長速(正或負)有關,而與界面的運動方向(向內或向外)無關。
  7. In ported trials, wu gave the minimum tr of all plants, and its diurnal maximum tr persisted stability the most within the range of soil moisture 20. 4 % - 6. 4 %. ; nx lowered its tr and shrank its high - low lines after had experienced irregular wet - drought hardening period during culturing ; kerqin performed a plasticity as compared to field ; c. lanata also stood the most stability but on the basis of middle - high maximum tr level ; tr by caragana korshinski was high when soil water was abundant, but was lowest for lack of water ( 6. 4 % )

    盆栽試驗表明,華北駝絨藜蒸騰最弱,且在土壤含水量20 . 4 6 . 4的范圍內最高蒸騰速最強;經脅迫鍛煉寧夏駝絨藜蒸騰降低,變幅減小;科爾沁駝絨藜與大田相蒸騰可塑較強;土壤水分變化中,北美駝絨藜蒸騰在中高水平上維持的能力最強;水分良好時檸條蒸騰很強,水分脅迫中蒸騰極大降低。
  8. Then it studies the implementation, architecture and characteristic of embedded guis based on framebuffer, designs testing programs to test several embedded gui system ' s performances ( stability, efficiency ), and finally chooses qt / embedded as the development platform of the bsas. chapter 3 firstly briefly describes the embedded system hardware architecture, and then enumerates functions of system software

    在分析了若干種基於幀緩沖( framebuffer )的嵌入式gui的實現、體系結構和特點的基礎上,設計了測試程序對它們在、繪圖速等方面的能,最終選擇qt embedded作為嵌入式系統軟體開發平臺。
  9. The author has done much research work in examining the functions of raw materials, as well as making graph analysis of the raw material. as a result, achievement have been made : ( 1 ) making sure of the standard factor and t he best mixture proportion, ( 2 ) finding out the best way of measuring the index of the high performance concrete, ( 3 ) the endurance of this high performance concrete and the volume stability have been experimented ; ( 4 ) the great economic and social benifit are obtained by cost analysis

    其主要工作進行了各種原材料的能檢驗並做出相應圖表分析;對摻超細礦渣粉末的高能混凝土進行正交試驗,確了主要水平因子和最佳配合;通過對高能混凝土的耐久試驗及高能混凝土的體積試驗,確檢測高能混凝土耐久指標的最佳方法及高能混凝土的熱脹冷縮和體積;通過對高能混凝土的成本分析,確摻超細礦渣粉的高能混凝土其經濟效益和社會效益非常顯著。
  10. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功pe 、機械功pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線二次型最優控制理論設計出大型汽輪發電機的非線綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的例式勵磁控制器+汽門例控制及採用常規的按電壓偏差進行調節的例式勵磁調節器和基於二次型能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對,證實了採用此種控制器可以有效地提高電力系統的暫態,並且在電力系統遭受小干擾時同樣具有良好的調節能。
  11. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概抽樣方法,它們的估計量、估計量的方差及其估計,其中包括有放回ppz及pps抽樣,不放回不等概抽樣中的brewer 、 durbin 、 sampford 、 desraj , murthy 、 rao - hartley - cochran等人的方法;其次,在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行較的基礎上,將總體隨機地分成兩個子總體,視每個子總體取自不同的線超總體,在文中,我們利用計算機實現隨機分組,並通過畫圖較各方法估計量的,結果表明,對變異系數c . v . ( x )較大的總體而言,兩個超總體之間的微小差異將對估計量的產生很大的影響,從而說明rao和bayless的較結果還不夠完善。
  12. So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index

    首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價方法進行了詳細的分析,並結合我國的基金市場狀況,選取了可以衡量基金收益、、下跌風險、股票選擇能力、時機選擇能力等量化指標;其次,根據我國基金分析的需要,採用了諸如基金交易價格、換手等二級市場表現指標;然後,對這些指標進行了時間延續分析,檢測這些指標在運用到我國基金市場時能否有效預測基金未來表現,從而形成了兩類指標:時間延續很好的s _ p和時間延續不好的其它所有指標;再次,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜合因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同時採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析,得出了最終的評價結果。
  13. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺化膜的研究分析表明:膜的能參數如離子交換容量、吸水、水合系數、形體、導電能、化學與熱等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜能影響很大;膜的能可與nafion膜相較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。
  14. Secondly, the sorts and weights of the components of the gel electrolyte are optimized, and a gpe with excellent performance is prepared, whose ion conductivity reachs 9. 2ms / cm. we analyze all the factors influencing the performance of the gpe, and study many performances of the gpe, including the microstructure, conductivity performance, liquid electrolyte holding ability, electrochemical stability, thermodynamics stability, and interfacial stability between electrolyte and electrode, et al

    其次,對gpe各組份進行了改進和優化,找到了最佳的配,制備了能良好的凝膠電解質,該gpe的室溫離子電導最高可達9 . 2ms cm ;考察了影響凝膠電解質能的各種因素;研究了凝膠電解質的微觀結構、導電、保液、電化學、熱力學以及電解質與電極間的界面質。
  15. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標和觀測棱鏡偏心差的測;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其進行了測試分析,給出了量的結果;較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。
  16. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適量改劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多孔,具有機械強度高,表面積大,孔隙大的特.用於水處理中,具有表面狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學和生物學好,使用壽命長的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料
  17. This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands

    文中利用matlab對電壓波動的檢測效果進行了模擬;並對涉及到的濾波器的做了證明;在自校驗部分提出了將pi (例、積分)演算法用於數字濾波器增益k值的確,取得了不錯的效果;然後分別從取不同插值點、不同分級數和不同采樣頻這幾個方面出發,對計算出的p _ ( st )值進行了較。
  18. The result of a great deal of experiment shows that the digital control method proposed in this paper is better than the analog one widely used at present. the stability of optical output power and spectrum including temperature stability and long time stability is advanced in great degree

    經過大量的實驗表明:與傳統的模擬控制方法相,本文設計的數字控制方法能夠顯著的提高sld光源的出纖光功和光譜的(包括溫度和時間) 。
  19. After chromosome doubling and electric conductivity measuring, 9 variants with higher stability of cell membrane to heat stress than the original varieties were selected

    經過染色體加倍后,通過熱脅迫條件下電導的測,篩選出9份細胞膜熱原始品種明顯提高的變異體材料。
  20. The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures

    該基礎工程不論在開挖深度還是規模上都很具有代表。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈地基梁桿系有限元方法;在圍護結構整體安全系數與可靠破壞概兩種控制因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。
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