optimum angle 中文意思是什麼

optimum angle 解釋
最好角
  • optimum : n. (pl. optimums, -ma ) 【主、生】(成長繁殖等的)最適條件,最適度。adj. 最適宜的。 the optimum temperature 最適溫度。
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. For hoods with shutters in four sides, the results show : 1 ) the hoods positively placed boards are called hoods used for venting airflow ; hoods negatively placed boards are called hoods used for leading airflow ; 2 ) among the hoods used for venting airflow, the most effective hoods should have positive declining angle value of 30, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 70 mm to 120 mm and the value of b / h range from 0. 5 to 0. 6 ; 3 ) the most effective hoods should have negative declining angle value of 60, the ratio 4 of areas between the four windward faces and the gular section ( fy / fj = 4 ), the value of b range from 100 mm to 170 mm ( the optimum value is 120 mm ) and the value of b / h range from 1. 4 to 2. 2 ( the optimum value is 2. 0 )

    對於四面設百葉型風帽,計算表明: l )正裝傾斜擋板的百葉型風帽可認為是排風型風帽,倒裝擋板傾斜的百葉型風帽可認為是進風型風帽; 2 )排風型風帽中,擋板正裝30 」 、風帽四個迎風面的有效面積fy和風管凈斷面積fj的比值( fy腸)為4 、擋板寬度b在70inln到120inln之間、板間距比值隴在0 . 5到0 . 6的百葉型風帽排風效果最好; 3 )進風型風帽中,擋板倒裝裝60 「 、風帽四個迎風面的有效面積和風管凈斷面積的比值( fy例)為4 、擋板寬度b在100咖到170mm之間( 120mm為最佳) 、板間距比值隴在1 . 4到2 . 0的進風型風帽( b爪= 2 . 0為最佳)的百葉型風帽進效果最好。
  2. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。
  3. The multiple - object optimum design for the round angle of the universal profiled roll based on the software ansys

    軟體的萬能型鋼軋機機架圓角的多目標優化設計
  4. In order to solve the problem of deviation of suitable angle andthe practice of shot put, the author analyzes the function relation between performance and the maximum projectile range, draws the best result theorem that is new optimum angle formula and sign - line parameter

    為了解決鉛球適宜投出角度公式與實踐偏離的問題,分析了鉛球成績與拋體最大射程的函數關系,得出了最大成績定理、 「新」最佳投出角度公式和最佳出手角度標志線參數式。
  5. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽,作者分析了國內各種移栽機的結構特點,確定了以撓性圓盤式栽植器為研究對象,在分析撓性圓盤式栽植器的運動軌跡和特徵參數的基礎上,完整地確立了撓性圓盤式移栽機的基本參數:栽植頻率、栽植株距、機組前進速度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉速、夾苗株數以及傳動比之間的相互關系,並建立了以蔥苗栽植傾角= 90為目標的優化設計數學模型,提出了撓性圓盤式大蔥移栽機的優化設計方法。
  6. With the decreasing in the " bite - angle " of the metallocene, the maximum activities of the systems also decreased. the structure of the iron - based catalyst had some influence on the optimum value of n ( fe ) / n ( zr )

    而齊聚催化劑的電子效應對整個原位共聚體系中出現共單體效應時齊聚催化劑與共聚催化劑的最佳配比影響較明顯。
  7. Based on the research of the complex angle and the bias compensation techniques, the dynamic compenstion with relative phase is developped for elevation tracking & measure with the amplitude - comparison monopulse radars, and it is proved to be a optimum technique by thoery and simulations

    因此,在深入研究復角法和固定偏差補償法的優缺點基礎上,本文針對單脈沖比幅測角體制的雷達,提出了一種新的俯仰角測量演算法?聯合相位的動態偏差補償法,理論分析和計算模擬證明這種演算法了這種演算法的優越性。
  8. Extend the telescopic antenna and adjust the angle for optimum reception

    請伸展伸縮式天線並調整角度以改善接收效果。
  9. ( 3 ) the optimized strategy analysis on retrieval of gps water vapor the optimized strategy analysis on retrieval of gps water vapor has been carried out under different data processing schemes by using gps observation. the parameters selection problem has been resolved in gps water vapor retrieval process such as the optimum number of adopted igs stations, the relation between single station processing and united station processing, network layout, cut - off angle, zenith delay parameter, period, knot position and so on

    ( 3 ) gps水汽反演優化策略分析利用gps觀測數據,使用多種數據處理方案,進行gps水汽反演優化策略分析,初步解決了進行gps水汽反演中引入igs站的最佳個數、單站解算和聯合解算的關系、網路布局、截止高度角、天頂延遲參數、時段長度、節點位置等選擇問題。
  10. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    傾斜角越大,熱虹吸管總熱阻越大,最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響,對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管,最佳充液率在20 % 35 %之間;管長對傳熱也有影響,管長不改變熱虹吸管蒸發段和冷凝段的換熱系數,只增加了熱虹吸管的換熱面積,增大換熱量;迎面風速的大小,起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  11. Based on quasi - linear model of sr motor, the influences of angle on phase current, output power, energy loss are analyzed. an optimum result of angle is produced in accordance to given target

    基於sr電機的準線性模型,本文分析了開通角和關斷角與相電流、輸出功率以及損耗之間的關系,並根據給定的優化目標,給出了該電機開通角和關斷角的優化結果。
  12. In the angle of economics, this paper firstly analyzes the present flow situation and main problems in existence of our military science and technology human resource, and then analyzes flow and equilibrium of supply and demand from three aspects of the quantity 、 structural and behavior ; systematically describes individual decision and unit decision of military science and technology human resource on the angle of cost and profit, reaches the conclusion that in the flowing process, we should strengthen individual ’ s autonomous right properly, establish “ the leading type of armed forces ” human resource disposition mechanism ; in succession this paper has not only put forward the basic standard of the reasonable flow of the military science and technology human resource ? the effectiveness of combat, but also explained it carefully from flow quantity, flow direction and structure, established optimum floating rate ; finally, having based on the conclusion, the paper puts forward four mechanisms ? fetching in person and brains, inner flow, encouragement restraint and reserving brains in outflow mechanisms that promote our military science and technology human resource to flow reasonably

    本文立足經濟學的角度,在分析軍事科技人力資源流動現狀與存在問題的基礎上,從數量、結構、行為三方面分析了軍事科技人力資源流動中的供求均衡;從成本收益角度系統描述了軍事科技人力資源的個人決策和單位決策,得出了在我軍科技人力資源的流動過程中應該適當加強個人的流動自主權,建立「軍隊導向型」人力資源配置機制的結論;接著本文不僅提出了軍事科技人力資源合理流動的根本標準?戰鬥力效用,而且從流量、流向和結構上進行了細化,確立了最優的流動率;最後,本文提出了促進我軍科技人力資源合理流動的四大機制:引人引智機制、內部流動機制、激勵約束機制和淘汰退出機制。
  13. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有諧振極無損緩沖電容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關損耗,給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗波形證明了理論分析的正確性。
  14. The optimum injection angle and timing diagram was obtained for the improved diesel

    得到了改進后的柴油機最佳噴油提前角和相應的配氣定時。
  15. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  16. The design method of double crank mechanism and optimum transmission double crank mechanism are presented according to the conditions of minimum transmission angle, the time ratio, the factor of velocity variety or the minimum size

    摘要研究了按照最小傳動角、速度變化系數、行程速比系數以及尺寸和最小等條件設計雙曲柄機構以及最佳傳動雙曲柄機構的方法。
  17. It is indicated through the analysis of assistant steering mechanism of the farm transporter model fr1608 that within th e rang e of standard swinging of the pitman arm, the design rod structure satisfies the requirement of optimum pressure angle

    對fr1608運輸車轉向助力機構的分析結果表明,在轉向器轉向垂臂的標準擺動范圍內,設計參數滿足最佳壓力角要求。
  18. The optimum angle of release is about forty four degrees

    最佳的投出角度大約44度
  19. The new study to optimum angle projection in the throws

    對投擲項目最佳出手角度的新探討
  20. In this text, control is not argued in general terms, but limited to construction stage only, so, this text has distinct pertinence. and then, the former progress plan is not adjusted from complicated network optimum angle, but control methods are summarized, which are often used in the present construction, so, this text has stronger serviceability and greater actual meanings

    本文不是從一般的控制泛泛而談,而是僅限於施工階段的進度控制,這使得本文具有鮮明的針對性;本文也不是從復雜的網路優化的角度對原進度計劃進行調整,而是總結了目前施工中用得較多的控制方法,這又使得本論題具有較強的可操作性,具有較大的實際意義。
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