time constants 中文意思是什麼

time constants 解釋
時間常數
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • constants : 常量
  1. Manual hyperinflation is a medical practice intended to restore pulmonary vesicles by applying time constants and the principle of inspiration terms

    摘要手動式高度充氣擴肺術是運用時間常量及吸氣時間原理令肺泡回復。
  2. A climatologist is greatly concerned with the time constants of the energy reservoirs of the world.

    氣候學家非常關心世界上能量貯藏器的時間常數。
  3. The climatologist is greatly concerned with the time constants of the energy reservoirs of the world.

    氣候學家最關心的是世界上能量貯藏器的時間常數。
  4. Dynamic characteristic of the fan system was tested in this paper. the time constants of acceleration and deceleration was gotten and bode diagram of frequency response was presented. the results show that the frequency response of the system is satisfying in the range up to 0. 2 hz

    本文對風機系統的動態特性進行了測試,得到了它的加減速時間,並通過譜分析法得到了系統的幅相頻響應曲線( bode圖) ,結果表明系統在低於0 . 2赫茲范圍有較好的相應特性。
  5. To air - condition temperature control system, in this paper, firstly, the mathematical model is established by using the differential equations method. though equations deducing to find the control object, which is the relationship between the rooms " temperature - time constants and control system ' s kinds of performance indexes, elucidate the effects of the big rooms " temperature - time constans to the control system. then combined with the requirements of air - condition craft to the control, it is proposed that the main question needed to be solved under the air - condition control system designing is its quickness

    本文首先針對空調溫度控制系統,建立數學模型,採用微分方程法,通過公式推導,找出空調控制對象? ?房間溫度時間常數與系統各項性能指標的關系,闡明房間溫度時間常數大對控制系統的影響,再結合空調工藝對控制的要求,提出了對空調控制系統的設計應主要解決其快速性問題。
  6. The dark decay of the spectral change was also studied. two recovery time constants were obtained by fitting. one is 2. 5 hours and the other is longer

    研究表明這種紫外光誘導的電荷遷移帶變化是由於eu ~ ( 3 + )離子周圍局域環境發生的變化引起的。
  7. In the last chapter, by introducing the isochronous center of real systems into complex planar and defining complex center and complex isochronous center, a concise linear recursion formula for period constants is given, necessary and sufficient conditions of complex isochronous center ( the time - angle difference theorem ) proved, conditions of real systems with linearizable center and saddle treated unitedly and the isochronous center conditions discussed fully for a class of real planar cubic systems

    在第七章,通過把實系統等時中心引入復平面研究,定義了復中心和復等時中心,給出了等時中心周期常數計算的簡明的線性遞推公式,證明了等時中心判定的充分必要條件(時角差定理人統一地處理了實系統具有可線性化的中心和鞍點條件,並對一類實平面三次系統的等時中心條件進行了完整研究
  8. Secondly, from the view of the analysis of potential science, the teaching mode of the basic constants in physics is presented. thirdly, on one hand, author analyses the basis of epistemology, scientific philosophy and psychology of the teaching mode, on the other hand, author investigates the potential properties and shapes of the basic constants in physics. at the same time, it is also given the path of applying the theories and methods of potential science to the teaching of the basic constants in physics

    本論文首先,扼述基本物理常數「潛? ?漸顯? ?顯? ?漸潛… … 」潛科學分析的分析理念;其次,探討基本物理常數潛科學分析的教學模式:提出問題,引起認知定向呈現進化過程,挖掘物理內涵揭示並闡述潛科學特徵採取有效途徑,培養科學素質再次,一方面從理論上闡釋基本物理常數潛科學分析教學模式的認識論、科學哲學和心理學依據,另一方面從實踐上闡釋基本物理常數的創造性、反常性、待定性、隱變性、高難性及趨顯性等潛科學特徵,同時提出科學問題、科學幻想、科學猜測、科學經驗、科學悖論、科學蒙難、科學論爭、科學失誤、科學伯樂、科學潛才等潛科學形態與方法應用於基本物理常數教學中的途徑。
  9. The time constants of the slower decays are found to increase with the hydrogen - bonding energy in alcoholic solvents

    實驗結果表明慢速弛豫過程的時間常數隨醇溶劑分子間氫鍵鍵能的增強而增大。
  10. Its solution yields a final set of constants, which, when multiplied by each of the internal states, gives a recommended, or optimal, control action for the ballbot to take at each moment in time

    這種解決方法會產生一組最終常數,這組常數乘上每一個內部狀態,可及時算出機器人在每一刻的建議(或最佳)控制動作。
  11. At the same time, the values " range of two kinds of nonsquare constants and their values in real inner product space are given. we also discuss the pointwise nonsquare constant in finite dimensional f space

    同時給出了兩種點態非方常數的取值范圍,和實內積空間中兩種點態非方常數的值。討論了有限維l ~ p空間的點態非方常數。
  12. The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed

    結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段,研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制,分析了不同變形條件對合金材料組織變化的影響,確定了合金材料的軟化行為機理;同時,結合合金材料的熱變形高溫拉伸試驗,重點研究了材料的斷裂行為,分析了合金材料的斷裂現象,探討了合金材料的斷裂機理。
  13. Furthermore, the exposure schedule for recording holograms with equalized diffraction efficiency is designed based on the above - mentioned optical erasure time constants

    並且依據上述兩種光擦除時間常數,為分批存儲熱固定多重全息圖的等衍射效率記錄設計了曝光時序。
  14. The diffraction efficiencies of multiple holograms recorded and fixed in different number of batches are calculated and analyzed. if a special exposure schedules calculated based on the characteristic time constants of batch fixing scheme is incorporated for equalized diffraction efficiency, the greater the number of batches is, the higher the equalized diffraction efficiency of fixed holograms

    結果表明,採用分批存儲熱固定技術,所分的批次數越多,經等衍射效率曝光時序記錄后的全息圖最終達到的等衍射效率值越高,並且所有全息圖的寫入曝光時間值越接近。
  15. The rails are affected by the skin effect for its large permeability and size. the track time constants are not constant due to the skin effect. for the calculation of the rails impedance, the method of equivalent cylindrical conductor is developed

    由於鐵軌很大的磁導率和截面尺寸,致使其阻抗在電磁暫態過程中受到了集膚效應的影響,從而使得鐵軌的時間常數在暫態過程中並非是一個常數。
  16. In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code , and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated

    從90年代開始, emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式,然後,採用magic程序模擬了這種波導結構中電磁波的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖,並由模擬結果計算了波包穿越勢壘的群速和能量速度。
  17. In this paper, first, 1 made a study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants. then, i simulated the behavior of propagation of am signal and gauss pulse signal through the waveguide by magic code, and gave the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position

    在本論文中,作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式。然後,採用magic程序模擬了這種結構的波導中的電磁場的傳播情況,得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖。
  18. The ultrasonic motor displays particular properties like the higher power density, the non - electronmagetic interference, the low speed with big torque, the small start - stop time - constants, the movement without the noise, high holding torque with no current applied and so on

    它具有功率密度大、無電磁干擾、低速大轉矩、動作相應快、運行無噪聲、無輸入自鎖等卓越特性。
  19. Compile - time constants are required for cases such as array bounds, case expressions, or enumerator initializers

    需要編譯時常數的情況包括數組界限、 case表達式或枚舉數初始值設定項。
  20. According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability

    針對被動反饋線圈電磁暫態過程的復雜性,給出了求解線圈等效時間常數和電氣參數的方法,這些參數不僅對裝置的設計和電源系統的設計是重要的,而且為控制等離子體垂直位移不穩定性的實驗提供了依據。
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