超速抑制 的英文怎麼說
中文拼音 [chāosùyìzhì]
超速抑制
英文
oi overdrive inhibit- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 抑 : Ⅰ動詞(向下按; 壓制) restrain; repress; curb Ⅱ連詞[書面語]1 (表示抉擇) or 2 (表示轉折) but3 ...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 超速 : 1 (超出速度限制) exceed the speed limit; overspeed; over speed 2 [力學] hypervelocity; 超速保護...
- 抑制 : 1 (控制) restrain; control; check; hold up; curb; stop; repress; bridle; choke; prehension; sup...
-
The results showed that the cucumber seeds soaked with extracts of total alkaloid, dissoluble alkaloid and fat - soluble alkaloid from p. multisectum ( maxim. ) bobr., the activities of amylase, protease and lipase during seed germination were inhibited, the seed vigor and germination rate were suppressed, and respiration rate of seedling was slackened ; root activity, chlorophyll content and activities of nitrate reductase, superoxide dismutase sod ) and peroxidase ( pod ) of cucumber seedlings during seedlings growth were increased
結果表明,多裂駱駝蓬總生物堿提取液、水溶性生物堿提取液和脂溶性生物堿提取液浸種均抑制黃瓜種子萌發過程中澱粉酶、蛋白酶和脂肪酶活性,種子活力和萌發速率降低,呼吸速率減慢;幼苗生長過程中根系活力、硝酸還原酶活性升高,葉綠素含量增加,超氧化物歧化酶( sod )和過氧化物酶( pod )活性提高。This dissertation presents how to use the ultrasonic motor as an actuator to suppress the flutter of a two - dimensional airfoil section with a control surface. the ultrasonic motor, which features simple structure, high torque at low speed, small size, low weight and no electromagnetic contamination, is a promising actuator for the flutter suppression of small aircraft
超聲電機以其結構簡單緊湊、轉矩/質量比大、低速大扭矩、直接驅動,動態響應快、斷電自鎖和不產生磁場且不受外界磁場干擾等優點,有望成為一種非常有前途的作動器,用於小型飛機的機翼顫振主動抑制。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。Without the formation of new blood vessels, tumors cannot expand beyond a few cubic millimeters, and that the rate of tumor growth correlates with the formation of new blood vessels. neovascularization may also be a critical role of tumor metastasis since it enhances entry of tumor cells into the circulation. consequently, highly vascular tumors may have the potential to produce metastases at a higher rate than less angiogenic tumors
沒有新生血管形成,腫瘤生長超不過幾個立方毫米,並且腫瘤生長速度與血管新生程度有關。新生血管在腫瘤轉移中也有重要作用,促進腫瘤細胞進入血液循環,血管生長豐富的腫瘤比缺乏血管生長的腫瘤更容易發生轉移。因此抑制腫瘤組織的新生血管形成,從而抑制腫瘤生長和發生轉移已成為腫瘤治療的一個重要策略。The simulation results show that the system can depress the overshoot and improve the response and steady state performance
模擬結果表明該調速系統能有效地抑制超調現象,提高系統的響應速度和穩態性能。In chapter 4, the aeroelastic model of the whole test rig is first established by using jones ’ s approximation of theodorsen ’ s unsteady aerodynamics load. then, the numerical simulations and wind tunnel experiments for the sub - optimal flutter suppression of the airfoil model are presented
數值模擬和風洞實驗研究表明,以超聲電機為控制面作動器可以有效地抑制翼段模型的顫振,顫振臨界速度提高了13 . 4 % ,數值模擬和風洞實驗結果基本吻合。Here a new control strategy fuzzy control is brought out. the simulation results show that it can response and stabilize itself more quickly with less over - altitude than pd control strategy
通過抑制地面脈沖輸入的模擬比較了這兩種控制策略,可以得到在此情況下fuzzy控制較之pd控制,具有響應迅速、超調量小、穩定快等優點。Results obtained demonstrate that, due to the existence of zero - correlation - zone ( zcz ) of the go sequences, near ideal performance can still be achieved even when high speed radio environment is encountered. in addition, obvious interference mitigation as well as significant performance improvement can still be observed when the relative shifts of spreading sequences exceed zcz
研究表明,由於廣義正交序列零相關區( zcz )的存在,即使處于高速運動無線環境,仍然可以取得近似理想性能,即使序列偏移超出了零相關區,仍然對干擾有明顯的抑制作用,顯著提高系統性能。This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change
本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快速響應特性;負荷指令的導前功能對鍋爐主控有超前控製作用,能顯著提高主蒸汽壓力的穩定性;採用預測及狀態空間法能有效改進鍋爐蒸汽溫度控製品質,在大幅度工況變化下仍有效控制蒸汽溫度在額定范圍內,提高鍋爐、汽輪機壽命及其效率;汽輪發電機組的快速響應性與汽輪發電機組負荷振蕩問題間的平衡關系,採用線性補償可以有效抑制在負荷變化梯度較大情況下發電機負荷振蕩問題。To restrain the time - delay of the startup phase of the temperature and improve the response speed, the fuzzy - pi controller with predictive control is adopted to the startup phase. this control mode can decrease the system overshoot and ensure the system rapidity. the predictive control can restrain the time - delay of the controlled object
為了解決溫度啟動過程中的時間滯后,改善系統的響應速度,採用單獨的溫度啟動控制策略,啟動階段採用帶預測的模糊- pi控制器,在保證系統的快速性的基礎上盡量減少系統超調,同時對控制對象的時間滯後有抑制作用。Simulation of computer and dynamic experiments show : the sofpss has such characteristics as small overshoot, fast response speed, avoidable micro - amplitude oscillation and is not sensitive to changes of operating modes and external disturbances. the sofpss can effectively damp low - frequency oscillation in a large range and takes on strong adaptability
計算機模擬和動模實驗結果表明: sofpss超調小、響應速度快,且避免了微幅振蕩;對運行狀態的變化以及外界干擾不敏感,能夠在較大的運行范圍內有效地抑制振蕩,適應能力較強。分享友人