有效比沖 的英文怎麼說

中文拼音 [yǒuxiàobǐchōng]
有效比沖 英文
effective specific impulse
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 有效 : effective; valid; efficacious
  1. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  2. The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc

    研究表明，集氣腔總壓對推力器工作過程具有多方面的影響，在保證電弧穩定的情況下，適當提高集氣腔總壓可同時提高比沖和推進效率。
  3. In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed

    在該方法中，擁塞控制器以緩沖區大小信元作為擁塞指示，以信源質量和帶寬利用率作為目標函數進行在線學習，控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比，即根據信源編碼率及對應的用戶百分數調整信源輸入流，從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷，使控制系統在信元損失率最小情況下確保信源輸入流質量最高，從而有效地利用了網路帶寬。
  4. Basing on the two order tangency at initial point between isotropic curve and hugoniot curve, a new method for calculating cold energy cold pressure and cohesive energy for solid is presented in the paper, comparison with experimental data manifest that this method is very good and can be applied

    利用在初始點等熵線和沖擊絕熱線二級相切的性質，給出了一種可用於計算固體冷能冷壓和結合能的新方法，並推導了利用hugoniot參數計算結合能的公式。與實驗數據的比較表明，這種方法是有效可行的。
  5. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle ， 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬，從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律，復合后的齒形的變形情況與初始齒形形成對比，以動畫的方式模擬成型過程，並分析了不同幾何參數（主要是不同的齒型，其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型） 、材料參數、工藝參數對復合強度的影響，以及不同齒型的變形對比以及齒型對復合情況的影響，提出最優齒型、最優工藝參數，有效地指導了實驗。
  6. Many experiments on the effects with the change of several parameters, such as initial charging current, amplitude and frequency of positive pulses, variety of the amplitude of positive pulses among each charging stages, amplitude and duration of negative pulses, duration between positive and negative pulses, have been performed. the results of analysis and comparison of experimental data verify the validity and feasibility of the fast - charging method. on this basis, a new type of control strategy is advanced

    就充電過程中的起始充電電流、正脈沖的幅值、正脈沖的頻率、各充電級之間正脈沖幅值的變化幅度、負脈沖的幅值、負脈沖的持續時間、正負脈沖之間的停歇時間等幾個參數進行了大量的實驗，對實驗數據進行分析和比較，驗證了快速充電方法的有效性和可行性，在此基礎上提出了一種新型快速充電控制策略。
  7. According to renovation scheme and connecting with practical river harness situation, netlike cover protection and quadruped concrete hose measurements, which are comparatively effective, are commended

    根據整治方案，結合治河實際情況，推薦了網罩護根防沖和混凝土四腳體護腳這兩種比較有效的護根措施。
  8. First of all, the paper introduces the overall structure of the mac protocol using the multi - hop communication mode, to fulfill the requirement of wsn in collision avoidance, energy efficiency and scalability to the change in network, bandwidth utilization, latency, throughout and fairness

    協議採用周期性睡醒機制、 rts / cts的握手機制、適應性偵聽以及消息傳輸等機制，在節省能量的總前提下，有效地減少了延遲、避免沖突，保證網路流量，與傳統的數據鏈路層協議相比，具有明顯的優越性。
  9. The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the pt testing of composite laminates ; the digital images from data reconstruction have clearer defect display or higher defect resolution than the raw thermal images, and the quadratic coefficient image of cubic logarithm regression shows the highest snr

    結果表明利用三次對數多項式回歸即可精確地重建本次實驗的原始熱像，同時能有效地克服復合材料層壓板脈沖熱像檢測中隨機噪聲和加熱不均效應對缺陷識別的干擾；經過數據重建后所作的數字圖像比原始熱像有更高的缺陷顯示度或分辨力，其中以三次對數多項式回歸公式中的二次項系數所作的數字圖像的信噪比最大。
  10. For the real time performance need of the low speed speech compress algorithm and the asic implement of the transfer process between programs, the design is put forward in the paper, in which state registers control the cross access between operator and memory, register windows are used for the parameters transfer, and the technique of hardware controlling is used to avoid pipeline conflict, so that the main problems of the transfer process in tr600 are solved effectively

    摘要針對低速率語音壓縮演算法對處理器系統實時處理復雜運算的性能要求，就程序調用過程的asic實現問題進行了對比與分析，進而提出了用層次狀態寄存器控制存取運算元對存儲體交叉訪問的方法，並結合運用寄存器窗口傳遞參數的功能，以及利用空指令硬布線處理流水線沖突的方法，有效地解決了tr600晶元中調用過程存在的主要問題。
  11. Also it is discussed how to improve loading performance and the actual results using invariance theory. by the feedforward signals of velocity and acceleration, it is expected to expend the bandwidth to 15hz or even higher and reduce the additional torque at 80 percent. in this thesis, i mainly explored the design theory of ehsls and made a lot of experiments on subsystems and the whole system

    本文的目的就是設計、調試帶有彈簧桿緩沖結構的單通道電液伺服加載臺，通過試驗比較、驗證不同控制演算法的工程實際效果；分析和研究應用結構不變性原理如何改善加載系統的動態性能，目的是通過引入速度和加速度的復合前饋信號將系統的動態頻帶提高到15hz左右，並且有效的抑制力加載系統固有的多餘力矩，抑制比要達到80以上。
  12. Conclusions as following have got through test study : ( 1 ) when impact compaction technology is applied to treat collapsible loess subgrade, the effect depth may be treated generally can not override 80 cm and impact compaction pass is optimum at 30 times. ( 2 ) for stratified impact compaction of subgrade, when compactness of each level reaches codeslstandards loose laying depth of 80 cm fits 40 impact compaction pass is the optimum combination of subgrade construction. when average compactness in each level reaches codeslstandards loose laying depth of 80 cm fits 30 impact compaction pass is the optimum combination o ( 3 ) the quality control method may request impact compaction pass as the main control index and at the same time the final division settlement is less than 10 % of total settlement as large area subgrade is constructed

    通過試驗研究主要得出如下認識：沖擊壓實技術處理濕陷性黃土地基時，其有效處理深度一般不超過80cm ，沖壓遍數以30遍左右為宜；對路基分層沖壓，在要求土體中各點壓實度均達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓40遍；在只要求土體平均壓實度達到規范要求時，路基沖壓最佳組合為虛鋪厚度80cm 、沖壓30遍；大面積施工時，質量控制方法可按照在以沖壓遍數作為主要控制指標的同時，要求最後10遍分計沉降量小於累計沉降量10 ；在施工單位自己購置沖擊壓實機情況下，與傳統施工相比較，沖擊壓實技術是一種既能節約資金又能大量縮短工期的施工方法。
  13. First, in order for reserve requirements to work effectively as a flexible buffer, an averaging provision would be necessary to enable the requirements to be met on average over a specified maintenance period : this arrangement might well add to interest rate volatility under certain conditions by encouraging banks to over - or under - react to market movements that changed expectations about the overnight interest rate

    首先，為使儲備比率規定能發揮靈活有效的緩沖作用，必須制定一項平均儲備要求，使儲備比率在指定的儲備維持期平均達到要求。但這項安排可能在某些情況下會使銀行對市場動向作出過度或不足的反應，影響隔夜息率的預期，最終反而增加利率波動。
  14. The research indicates that mpt shows many advantages, such as moderate specific impulse, high efficiency, long lifetime, low plume contamination, simple structure, low weight, and so on

    通過研究表明， mpt具有比沖適中、效率高、壽命長、羽流污染小、結構簡單和重量輕的特點。
  15. Because multi - band wavelet can describe signal more delicately and more compactly than two - band wavelet, and multi - band wavelet can be derived from the infinite iteration of multi - channel filter banks. by means of a detailed discussion for a effective design method of linear phase pr iir filter banks, the author obtain that the method is only fit for two - channel filter banks, but ca n ' t be extended to arbitrary m - channel ( m > 2 ) filter banks

    由於m帶小波比2帶小波分析信號更細致、更緊湊，而m帶小波可由迭代的m通道濾波器組獲得，所以本章分析了一種兩通道線性相位完全重構無限脈沖響應濾波器組的有效設計方法，希望可推廣用於m （ m 2 ）通道。
  16. ( 4 ) two component anchor bolt and dowel are afforded, a formulas to calculate the punching capacity of this slab - column connection with the effect of punching component is given in the article. comparing with other kinds, the two punching component is effective. ( 5 ) the possible destroy patterns of this slab - column system are discussed in the text, and design principle and step in detail about slab - column connection are

    （ 4 ）提出抗沖切錨栓和銷釘兩種新型抗沖切元件，給出配置抗沖切元件時板柱節點的承載力計算公式;通過比較表明，這兩種新型抗沖切元件對薄壁箱體現澆混凝土空腹板來說是有效的。
  17. Members noted, in particular, from the findings of the simulations provided in the paper that the discount window facility, introduced in september 1998, would have supplied a more effective buffer against the speculative pressures earlier in 1998 than did the liquidity adjustment facility then in place

    尤其，委員會自文件所提供有關模擬測試的結果獲悉，在1998年9月推出的貼現窗機制對於1998年初出現的投機壓力可以提供的緩沖，比當時的流動資金調節機制提供的緩沖更為有效。
  18. The experience results indicated the reliability of this kind of thermostatic control system. the analysis and compare about modern dielectric loss measuring methods are presented on chapter 3, and the zero - crossing testing phase discrimination method is adapted as the measuring method of this measuring system. furthermore, applied high frequency pulse technique, channel self - correction technique, anti - harmonic technique are used to increase accuracy and reliability of measurement

    本文對現代介質損耗測量技術進行了分析與比較，採用過零鑒相比較法作為介質損耗測量方法，並結合外施高頻脈沖技術、通道自校正技術、抗諧波技術，設計了高精度介質損耗測量電路，有效提高了介質損耗測量的精度，減小了測量誤差。
  19. It must be noted, however, that in spite of rapid advancement of productive forces and science and technology worldwide, development has all along remained uneven and, what is more, the north - south gap has kept widening instead of narrowing. poverty and hunger have been commonplace in developing countries. people are still plagued by regional conflicts, environmental degradation and transnational crimes, among others

    但也必須看到，在生產力和科學技術迅速發展的同時，世界發展不平衡的現象始終存在，尤其是南北差距不僅沒有縮小，反而不斷擴大廣大發展中國家仍比較普遍地存在貧窮和饑餓現象地區沖突環境惡化國際犯罪等問題仍然困擾著人們高新技術產業的發展也面臨著一些問題，特別是有效需求相對不足的問題。
  20. Realizing the impact of chirp on the effect of carrier phase, some analytical expressions of chirped few - cycle pulses are also calculated, such as frequency gravity, pulse energy, center of gravity of time, effective pulse width, etc. results show that chirp makes the pulse characteristics more sensible to carrier phase, and chirp has greatly increased the pulse width when the carrier phase takes effect

    考慮到啁啾對載波相位作用程度的影響，導出了啁啾脈沖的頻率重心、脈沖攜帶的能量、脈沖時間重心以及有效寬度等參量的解析表達式，分析表明，啁啾使得載波相位比無啁啾的情況提前起作用了，即啁啾在很大程度上增大了載波相位發揮作用所對應的脈寬范圍。
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