非功能性結節 的英文怎麼說

中文拼音 [fēigōngnéngxìngjiējié]
非功能性結節 英文
nonfunctioning nodule
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 能名詞(姓氏) a surname
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : 節構詞成分。
  • 結節 : [生物學] tubercle; [拉丁語] tuber; tuberculum; plexus; protuberance; protuberantia; [拉丁語] scob...
  1. 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,通過比較闡明了dfl理論其本質是逆系統方法的一類,並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 、有率pe 、機械率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,合線二次型最優控制理論設計出大型汽輪發電機的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的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調的比例式勵磁調器和基於二次型指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定,並且在電力系統遭受小干擾時同樣具有良好的調
  2. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證,對模糊控制演算法和數字pid調演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析,提出應用模糊控制和雙余法解決下述問題,即該論文主要的新見解和所完成的工作: ( 1 )為了克服直流電機參數時變因素對控制的影響,本設計中,雙閉環調速系統的外環採用模糊控制,內環採用pi控制,使系統在一定范圍內對直流電機參數變化和因素影響有自適應力; ( 2 )針對常規數字觸發器演算法中觸發脈沖的可靠不高,經常出現漏脈沖或是脈沖混亂的情況,本文採用雙余法,該演算法具有響應快,可靠高,具有良好的適應及抗干擾力; ( 3 )本設計中採用了速度快、強的tms320lf2407作為系統的主控晶元,應用該晶元完成系統的軟硬體設計: ( 4 )本文對系統抗干擾的軟硬體措施進行了重點研究; ( 5 )設計了具有模糊控制的全數字直流傳動系統原理樣機,並進行了試驗驗證,對試驗過程中出現的問題及時解決,最終實驗果證明設計是可行的。
  3. Melatonin has a simple chemical structure, but it plays a decisive role in bodily functions, monitoring the work of the glands and organs, and regulating hormone production. it also controls over - stimulation of the sympathetic nerves to lower blood pressure and slow the heart rate, thus reducing the impact on the heart. it also alleviates mental stress, improves sleep, adjusts the body s biological clock, relieves jet lag, strengthens immunity, increases the body s resistance to germs and viruses, and prevents cancer and senile dementia

    褪黑激素的化學常簡單,但是在人體內卻具有舉足輕重的作用:它監視著體內各種腺體器官的運作,指揮各種荷爾蒙維持在正常的濃度它可以抑制人體交感神經的興奮,使得血壓下降心跳速率減慢降低心臟負擔它夠減輕精神壓力提高睡眠品質調生物時鐘緩解時差效應,而且具有加強免疫抵抗細菌病毒及預防癌癥老年癡呆癥等多種疾病的效。
  4. There will be a great future if we integrate solar energy utilization techniques into heat pump techniques. on the base of integrating the two techniques, the paper analyzed the art trait of heat pump water heater, the manner of integration, the essential theory ; and developed a small capacity direct expansion solar - assisted heat pump water heater, and tested its thermal performance on the condition of different weather such as sunshine, overcast sky & night. the results make clear a small capacity direct expansion solar - assisted heat pump water heater can absorb not only solar energy but heat energy in air ; it takes on favorable thermal performance, on the condition of different weather such as sunshine, overcast sky & night, coph is about between 3. 5 ~ 5. 0, eer is about between 2. 5 ~ 4. 5, these are better than traditional air source heat pump water heater and non - direct expansion solar - assisted heat pump water heater, and it takes between 2 and 3 kwh to heat 270 kg water from 20 c to 50 c, it is very great in terms of saving energy and protecting environment,

    本文在合太陽利用與熱泵技術的基礎上,分析研究了太陽熱泵熱水系統的技術特點;太陽集熱系統與熱泵系統的合方式;直接蒸發式太陽熱泵熱水系統的基本理論;研製出小率直接蒸發式太陽熱泵熱水系統樣機,並在晴天、陰天、夜晚等不同的天氣情況下對其進行了試驗,實驗果表明:本小率直接蒸發式太陽熱泵熱水系統不但可以有效地吸收太陽,還有效地吸收空氣中的量,具有良好的熱,在不同的天氣情況下,其制熱系數cop _ h大約在3 . 5 5 . 0之間,優于傳統的空氣熱泵和直接蒸發式太陽熱泵熱水系統:其效比eer大約在2 . 5 4 . 5之間,將270kg水從20加熱到50隻需用電2 3度,及環保效果明顯。
  5. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與光學環鏡( nolm )相合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調系統合適參數的情況下,波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光波長轉換中,採用級聯的soa有效地使反轉光脈沖的頻率啁啾得到有效降低,波長向下轉換的距離和反轉光的峰值量都得到明顯提高,降低了利用交叉增益調制( xgm )波長轉換中對波長精度的要求,從而提高了波長轉換的靈和
  6. The efforts to be shown in the paper include : building on the mathematics model of electro - hydraulic shaking table, after the analysis of the dynamic characteristics of electro - hydraulic shaking table the conclusion that it is essentially non - linear is drawn ; according to the aforementioned characteristics and with the view to the actual research object, we present the outline of the system design and criteria of the electro - hydraulic shaking table servo - controller ; due to the research object we practically work over two control strategies and correspondingly scheme out two controllers, which is pid controller and human simulating intelligent controller based on ziegler - nichols parameters - adjust empiric formula ; we develop electro - hydraulic shaking table servo - controller, constitute entire hardware system platform and accomplish the correspond codes of the software which combine to complement its most functions ; the simulation of the adjust stability of controlling system and servo trailing control has been made by matlab, which compares the simulation results of the behavior of pid controller and human simulating intelligent controller

    本文的主要工作包括:從電液伺服控制系統的數學模型入手,對電液伺服控制系統的動態特進行了分析,得出了其本質的特點;根據電液伺服控制系統的上述特點,合具體的電液式振動臺研究對象,提出了電液伺服控制系統的設計要點和振動臺伺服控制器的設計指標;合研究對象,具體研究了控制器的控制策略,設計了兩類控制器,即基於ziegler - nichols參數整定經驗公式的pid控制器和仿人智控制器;開發了電液式振動臺伺服控制器,建立了完整的硬體系統平臺並完成了相應軟體的編寫,實現了主要的控制;對控制系統的穩定調控制和伺服跟蹤控制進行了matlab數字模擬,對pid控制器和仿人智控制器的控制行為分別進行了模擬實驗並做了比較。
  7. In the light of the situation in china, this article, by means of the comparison and contrast between and among the objectives, the nature and character as well as the non - judicial settlement of the dispute, comes to the conclusion that the judicial mediation in china is proceeding another road by comparison with the nature of suit transaction

    對于訴訟和解的,筆者從迅速、徹底解決糾紛,約訴訟成本,探尋創設法律規范三個方面進行了論述。在訴訟和解與我國的訴訟調解比較中,筆者選取了指導思想、質及糾紛的裁判解決三個角度進行了對比,得出論:法院調解遠離了訴訟契約的格。
分享友人