波節周期 的英文怎麼說

中文拼音 [bōjiézhōuqī]
波節周期 英文
nodal period
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 節 : 節構詞成分。
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  1. The cyclic reversed - polarity square voltage not only saves power and electrode consumption but also preventes from electrode passivation and scaling on the surface of electrode resulting in steady quality of purified water

    其中周期換向方波不僅能節省電耗和電極消耗，還可以有效地防止電極鈍化和電極表面結垢，出水水質穩定。
  2. In xenopus embryonic extracts camp concentration and pka activity also oscillations accompany with the cell cycle, low in mitosis and increased during m / g1 transition, keep high until next mitosis, and the mechanism concern with the cdc25 phosphorylation state and cyclin b concentration. mouse fertilized egg is the most simple and natural model for cell cycle that near to human, but little is know about pka on mpf also pka on mitosis

    通過對非洲爪贍胚胎細胞周期的研究發現jka活性也隨細胞周期變化而波動，在m期出現時pka活性下降，而m間期轉換時pka活性達最大值，一直維持高值直到下一個m期出現，其對mpf活性調節與cdc25磷酸化狀態及周期素b表達有關。
  3. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  4. We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences

    第五章，考慮了一類廣義耦合的非線性波動方程組，在第二節中討論了周期初值問題，證明了整體光滑解的存在性和唯一性，得到了整體吸引子，給出了hausdorff維數和分形維數的上界估計；在第三節中討論了cauchy問題，利用加權函數和加權空間的插值不等式，證明了無界區域上整體吸引子的存在性；在第四節中證明了時間周期解的存在性。
  5. Jet lag occurs when the body s natural rhythm and sleep - wake cycle are disturbed. symptoms of jet lag include difficulties in sleeping, tiredness, mood disturbances and gastrointestinal upset etc

    地區的時差會令身體的自然節奏和睡眠周期受到擾亂，徵狀包括難以入睡疲勞情緒波動腸胃不適等。
  6. My thesis has three parts : in part 1, i briefly introduce the background of the selected title, the goal of research and research meaning of this text. i mainly study the concept, the theory putted forward by the economists about the reason causing economic fluctuation and the macroeconomic control to economic fluctuations. in part 2, i regard chinese economic cycle as the observing object, using the traditional method and economic mathematical model to measure and analyze chinese economic cycle systematically since the reform, then i study the nature, characteristic and main influencing factor of chinese economic fluctuations since the reform of 20 years

    本文的研究工作主要由三部分內容組成：第一部分首先簡要介紹了本文的選題背景、研究的目標和研究意義，然後重點考察了經濟周期的概念、各國經濟學家解釋經濟周期發生原因的一般理論以及經濟周期波動的宏觀調控等內容；第二部分主要以改革開放以來中國經濟周期波動為研究對象，運用傳統方法和經濟數學模型對這一時期中國經濟的周期波動進行了詳細、系統地測定，並考察了改革以來中國經濟周期波動的性質、特徵以及主要影響因素；第三部分重點分析了中國經濟波動的真正原因及其傳遞機制，並在前文研究的基礎上，依據「反周期」理論探討了對中國經濟周期波動進行調節的基本思路和對策。
  7. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。
  8. The paper designs a more lpf and a numberical filter to eliminate the error, and a frequency tracing tache because system frequency fluctuates ceaselessly. this guarantes synchronization sampling

    為了消除頻率混疊帶來的誤差，專門設計具有較好性能的低通濾波器和數字濾波器；由於系統頻率波動性，設計有硬體電路組成的頻率跟蹤環節，最終實現采樣周期和信號周期同步。
  9. Results show that the water level fluctuation with a long cycle and slow attenuation causes long regulation time of the unit

    計算分析表明，周期較長衰減較慢的尾水調壓室水位波動會影響運行機組的調節品質，主要表現為調節時間較長。
  10. This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element

    這種陣列反射天線具有反射天線和陣列天線共同的優勢，它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列，然後由一個饋源照射這個天線，通過調節介質板上每個單元對于入射波的散射相位，使得反射波在特定的方向實現同相位，發射出方向性極強的筆形波束。
  11. Financial factors on the real estate are analyzed, especially the influence of economic fluctuation on real estate cyclical changes, and the author proposes that the real estate shoud be kept at a relatively large scale. macro management should be enforced to cultivate and perfect the real estate industry. the self - regulation system of the real estate industry sould be perfected to improve its capabilities to adapt to the

    分析了各種經濟因素對房地產業的影響，特別是經濟波動對房地產周期性波動的影響，提出房地產市場必須保持適度規模；加強宏觀調控，培育和完善房地產市場；完善企業自我調節機制，提高房地產業適應市場波動的能力；加強金融調控，維護房地產業正常秩序。
  12. It is one of the important parts for the control of hupqc to detect the reference compensation signal. the predictive strategy is presented based on wavelet theory, that means tracing the fundamental signal and replacing with sampling data every half cycle. the fundamental signal is forecasted step - by - step in a half cycle earlier

    補償指令信號的檢測是電能質量調節裝置的控制環節之一，本文提出了基於小波理論的預測檢測策略，跟蹤基波信號，以半周期為采樣更新速度，應用小波變換法對信號的基波分量進行遞推式預報，並取其與實時信號之差做為參考，然後產主與之大小相等、相位相反的信號作為hupqc的實時補償指令信號。
  13. The storm struck on the wednesday before thanksgiving, during the busiest travel period of the year, and flights at boston ' s logan international airport were backed up

    風暴（恰好是）在感恩節前的周三，也是一年中最繁忙的出行期登陸，造成波斯頓的洛根國際機場所有出行航班被取消。
  14. Based on the assumption of periodic rubbing force in rotor system, the rubbing forces onto each node of rotor system are estimated by modal expansion technique and the sub - harmonic decomposition of residual matrix between faulty and faulty - free vibration signals of rotor system through fft ( fast fourier transformation )

    基於轉子系統碰摩力的周期性假設，利用模態擴展方法，對故障和健康轉子系統振動信號的殘差矩陣進行傅立葉級數的分頻諧波近似，估算得到轉子軸承各節點的碰摩力。
  15. Thus in terms of the structure of interest rate periods in micro financial market, a macro analysis of the long - term economic fluctuation in our country slams that the relative variables following the transition from rise to fall of economic operation periods distribute respectively in rate of inflation > nominal interest rate > actual interest rate and rate of inflation > nominal interest rate > actual interest rate, the reason of which lies in the adjustment of nominal interest rate falling behind the wave of inflation rate both in time and in scale

    將微觀金融市場的利率期限結構方法引入中國長期經濟波動和宏觀分析，會發現經濟周期上行和向下轉折之後相關變量間分別存在通貨膨脹率名義利率實際利率和通貨膨脹率名義利率實際利率，其原因在於名義利率調節無論在時間和幅度上都落後于通貨膨脹率變動。
分享友人
分享到 Line

分享到臉書