負曲線 的英文怎麼說

中文拼音 [xiàn]
負曲線 英文
negative camber
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. This software can not only measure the real time data of hydroelectric plant, but also carry out the auto generate electricity on the hydroelectric plan t and ordinal startup - stop of the dynamotor. the software also carrys out the functions of alarm disposal, report forms, print and load curve

    該軟體不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還實現了對水電站的自動發電、機組順序啟停的控制,以及報警處理、報表列印、等功能。
  3. A complementary input stage, which consists of a p - channel pair and a n - channel pair, was used in the circuit, so that the common mode input range can extend from rail to rail. a dcls is used to shift the n - transistor curve leftward to overlap the p - transistor curve properly and keep constant transconductance in the whole common mode input range

    輸入級採用pmos差分輸入對和nmos輸入差分對並聯的結構,從而實現共模輸入范圍擴大到電源的正兩端,並且通過兩個源級跟隨器平移nmos輸入管跨導,使nmos輸入管和pmos輸入管跨導的適當交疊,從而保持了這個輸入級的跨導在整個共模輸入范圍內保持恆定。
  4. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv法、等效無功補償法( erc ) 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值,電壓靈敏度法和pv法可比較出不同電源跟蹤荷變化的靈敏度大小,而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。
  5. Negative yield curve

    收益率
  6. The entire rotating assembly shall be designed with sufficient rigidity and balanced to provide for a maximum shaft deflection at the lower seal of 0. 002 " under all operating points between plus or minus 40 % of the flow at best efficiency point ( bef ) on the pump ' s performance curve

    整個旋轉總裝都應該具有足夠的硬度,在泵性能最好性能的正40 %的范圍內,在所有工作點,最大的軸偏差限制在0 . 002英寸內。
  7. Base load base load is that portion of a building load demand which is constant. it is the " base " of the building demand curve

    基本荷基本荷是指建築荷需求量中不變的那一部分,是構成荷需求的基數。
  8. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中,納米晶銅的腐蝕電位比微米晶銅要,並且隨著晶粒尺寸的減小而降低。 eis研究表明,未退火的和180退火的納米樣品中發現了擴散阻抗,與表面孔洞和通道中的擴散有關。極化外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高,而極化電阻要低。
  9. It has designed the simulation disk intelligence dynamic management system, the main cording diagram dynamic management system, the power dispatch load report management system, the power dispatch information order bill management system, the network information issue system and the network java curve data browsing system

    設計了模擬盤智能動態管理系統、主結圖動態管理系統、電力調度荷收報管理系統、電力調度信息令票管理系統、網路信息發布系統、網路java數據瀏覽系統。
  10. The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition

    熒光標記結合熒光顯微觀察表明:從可溶性上清中純化的his - taggedpeac1 - gfp聚合形成的微絲不僅可以直接在熒光顯微鏡下觀察,也可被微絲的特異標記物鬼筆環肽所標記,而且其直徑、長度以及形態上與已知的聚合肌動蛋白熒光絲一致;電鏡染的結果進一步證實其直徑為9nm ,與傳統微絲直徑相當( 7 ? 10nm ) ;聚合有明顯的停滯期,為典型的s型聚合,聚合臨界濃度為0 . 75 mol l ,這一結果與已有報道相似。
  11. The dissertation proposes originally the idea of decomposing the time - variant load to solve this problem. first, the time - variant load is decomposed into the time - variant load characteristic and the time - variant load model due to the modeling method. second, the multi - curve approximation method is proposed to identify the load parameters, which to a great extent, reduces the effects on the time - variation of the load model from modeling method

    針對荷的時變性,論文首次提出了將荷時變性分解的思想,首先將荷的時變性分解為荷特性的時變性和由建模方法引起的荷模型的時變性,然後提出了多擬合參數辨識方法,很大程度上消除了建模方法引起的荷模型的時變性。
  12. This thesis elucidates and analyses the key techniques and rules of aolr in detail, and introduces its simulation modeling of the integrated system infrastructure and each function modules. through systematic simulation of aolr in the performance of packet delivery rate, average end - to - end delay, average route set - up delay, routing overhead, and etc, the key techniques and algorithms are testified and can provide reference for practical system design and application

    通過對基於蟻群優化的載均衡路由協議系統的模擬,從數據分組成功遞交率、平均端到端時延、平均路由建立時延、路由開銷等性能的模擬數據和上,分別驗證了該系統中的幾項關鍵技術和演算法。
  13. 2 ) the growth curves for different cells show that overexpression of gpil7p has no lethal effect on the yeast cells and only that of the dominant negative mutants can cause cells not grow

    2 )生長的測定表明,過表達gpi17p對正常酵母細胞不致死,而只有顯性性突變體的過表達才會導致酵母細胞不能生長。
  14. Delay trip multiple curves can choose the " inertia delay ", or to prevent electrical transformer loading terminal unnecessary trip

    多種延時跳閘可選購的"慣性延時" ,可防止電動機或變壓器載端出現不必要的跳閘
  15. All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated

    結合理論分析和模擬結果,提出了氣體火花開關多脈沖運行特性可採用如下方法: ( 1 )使用導熱性能好的氣體,如h2 、 sf6等; ( 2 )採用吹氣的方法; ( 3 )增大氣壓,在電極表面增加細小結構,構造平穩的v / p; ( 4 )改良開關電極結構和尺寸,採用奶頭-半球結構的電極; ( 5 )使用電性強的氣體作為開關絕緣氣體,如sf6 。
  16. Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented

    結合遼寧省的橋梁工程及管理具體情況,研究了遼寧省橋梁技術狀況評價與預測方法,引入橋梁缺損狀況變權評定方法,選擇指數作為橋梁缺損狀況預測的回歸分析模型,並依據遼寧省干公路橋梁管理系統中的橋梁狀況信息,標定了模型的參數,計算橋梁中修及大修(或改建)的平均年限,給出橋梁大中修年份的確定方法,同時也建立了橋梁缺損狀況預測的馬爾可夫鏈概率模型。
  17. Second, this paper analyzes the relation of reactive support service with voltage, power limit curve, transaction amounts. according to the power limit curve, this paper analyzes the source of the reactive cost to get an interzone cost function. using marginal cost theory, it concludes that the reactive spot price is the derivative of the cost function in generator buses

    另外,本文還從發電機角度上分析了無功服務與電壓、功率限制、發電機向荷傳輸電能大小的關系;根據功率限制對發電機無功成本的來源進行詳盡剖析,從理論上確定一個分區間的成本函數;並依據短期邊際成本理論可推出,計算發電機節點的電價可採用無功成本函數的偏導數的方法。
  18. Combining it with the standard daily load curve can make the mean daily forecasting error with in 2 %

    將其與標準日取平均作為預測結果,示例表明日平均誤差小於2 % 。
  19. With the proposed method, the internal operation of lijiaxia hydropower station is optimized and the optimized load distribution is derived based on three characteristic daily load curves

    運用上述方法,分別以3條特徵日為依據對李家峽水電站的廠內運行進行了優化,並得到其荷分配方案。
  20. Actually, known the distribution of electric price and demand of heat load versus time, an optimizing supply curve can be drawn, that is, the concrete economically running policy can be made

    實際上,在已知逐時電價和用戶熱的情況下,應存在一條最優的供熱(或電鍋爐啟停) ,這條可利用最優化理論和適當的優化方法來找到。
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