衰減性質 的英文怎麼說

中文拼音 [shuāijiǎnxìngzhí]
衰減性質 英文
attenuation property
  • : 衰動詞(衰弱) decline; wane
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. However, it is not trivially easy to use this property for the attenuation of the detected surface-waves.

    然而,利用這種觀測的面波並非十分容易。
  2. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波分佈特徵及規律,提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法:建立了理想的完全彈中球藥包和條形藥包爆破徑向應力方程。
  3. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中,考慮到壓力管道的一維,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈波的方法對壓力管道的參數和截面進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈波反射方法進行損傷檢測中,不考慮截面效應對彈波的影響,這就對損傷檢測造成一定的影響,本文考慮截面效應的影響,通過實驗來確定截面效應系數。
  4. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行和保護效果給予了系統研究。
  5. The decay of the external scalar - field of a black hole is studied in the third chapter, i. e., the physical mechanism of the decay of neutral scalar - field in the gravitational collapse, and the physical mechanism of the decay of charged massive scalar - field in the gravitational collapse

    第三章主要研究無量標量場在黑洞外部的,即無量中場在引力塌縮中隨時間的物理機制和無量荷電標量場的物理機制。
  6. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理,並設計製造了該測試系統,探索出了簡單方便可靠的測量方法,能夠準確客觀地反映蔭罩振動的各項參數(各振動模的振動頻率、振幅、時間) ,實現了測試裝置的簡便化和測試過程的自動化,為cpt張緊式蔭罩系統的能改進與顯示量的提高提供了有效的測試分析手段。
  7. The results show that : nano - nickel powder is not useful for mh electrode during the high rate discharge phase as a conductor or additive ; superfine nickel powder is applicable for the conductor of the negative because of the good performance especially the cyclic stability at 1c rate by using 5 % ( mass percentage ) nickel powder ; the utilization of alloy, specific mass and volume capacity are increased with the decreased particle size of nickel powder in negative, however, the capacity fading rate at 1c discharge rate is also increased, so the capacity and the cyclic stability should be taken into account to make a choice of the particle size

    結果表明: mh電極中加入納米鎳粉對負極的大電流放電能不利。 mh電極中加入超細鎳粉后電極綜合能好,尤其是1c循環穩定,其最佳添加量為5wt 。小鎳粉粒度提高了電極合金利用率、量比容量、體積比容量,但增大了負極1c容量率,因此鎳粉粒度的選擇應綜合考慮mh電極容量和循環穩定
  8. The viewpoint of photon diffraction can help us understand the nature of light diffraction and the evanescent waves is necessary for the uncertainty principle

    光子衍射的觀點可以幫助了解光的衍射本波是不確定原理的要求。
  9. And the impact of processing conditions on the electrochemical performance of the porous sn - cu alloys was investigated. results showed that it was good to add more verdigris and to make the annealing time longer for improving the performance. however, the problem of capacity fading can not be solved completely by this method

    並對制備合金材料過程中所添加物的種類和比例、燒結時間等工藝參數對合金的能的影響進行了分析,發現添加堿式碳酸銅,並且增大添加比例以及延長燒結時間對電極材料的循環壽命有利,但是不能根本解決容量的問題。
  10. In numerical simulation, the elastic zone is only considered and the effect of blasting waves on the rock medium, after attenuating through crushing zone and ruptured zone, becomes an input load

    數值模擬僅考慮彈區域,爆炸波對巖石介的作用經粉碎區、破裂區后成為輸入荷載。
  11. The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer

    指出由於介的各向異,盡管忽略了流體粘度引起的粘度耗散,正交各向異液飽和多孔介中瑞利波的相平面和幅平面亦不再重合,為非均勻波,最大的不再沿波傳播方向。
  12. In the mean time, i test the separator ’ s performance, including the rate of hole 、 the performance of absorbing electrolyte and the conductance eletrochemical steady range 、 machine intensity test, and then make bettery to test its cycle performance. the test result show that, the spreading separator get better performance, when dbp ’ s percentum reach 50 %, and dry temperature reach 90, after ultraviolet radiation disposal. the test show that, the separator has high conductance reach 6. 1 10 - 3s / cm ( 25 ), and the machine intensity can reach 3. 92 mpa, this separator can meet the need of making bettery, the bettery capability will go down after 30 cycle. and the bettery show worse performance under high temperature, under 70, the bettery will get fire. making the intensified seprator, i find that when dbp % : pvdf % = 40 % : 60 %, dbp % + pvdf % : sio2 % = 70 % : 30 %, the separator get

    但用其制備的電池循環30周期后容量發生,並且電池高溫能差, 70下電池燃燒;強化聚合物膜的最佳制備配比條件為: dbp : pvdf為40mass % : 60mass % , dbp含量與pvdf含量之和與納米sio2含量比值為70mass % : 30mass % ;強化電解隔膜的室溫離子電導率也可達4 10 - 3s / cm左右,完全能滿足聚合物鋰離子電池的使用需要;機械強度遠遠大於流延法制得的隔膜,達到108 . 84mpa 。
  13. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介力學的混合物理論建立的多孔介理論和動力控制方程,假設砂土滿足各向同並處于彈小應變狀態,豎向振動力將在飽和砂土內部產生三種波,分析了這些波的彌散曲線和特徵曲線,從波傳播的角度,研究了振動力參數和土參數對振動范圍的影響。
  14. For the other hand, la2o3 additives can improve the activation process and discharge capacity obviously for zinc electrode. the appropriate content of la2o3 additives in zinc electrode can increase the electrochemical properties of the zinc electrode. zn / ni battery with the zinc electrode containing calcium additive showed better discharge capacity and charge - discharge cycling life

    以鋅酸鈣為活的鋅電極能得到更高的鋅利用率,且以鋅酸鈣為活的鋅鎳電池的循環壽命明顯優于以氧化鋅為活的鋅鎳電池;兩層隔膜的鋅鎳電池的放電容量高於一層隔膜的鋅鎳電池,容量速度也明顯小於後者。
  15. ( 二 ) using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering

    (二)採用頻譜分析方法研究了爆破產生的地震波在介中傳播的特和基本規律,擬合出了指導工程設計與研究的地震波振速經驗公式。
  16. The attenuation of the ground vibration is closely relative to the physical and mechanical properties of the ground media

    地面振動隨著遠離振源而產生的程度與強夯作用場地介的物理、力學密切相關。
  17. First of all, it determines the scope in which earthquake might be genetated, the potential seismic sources areas and the upper limit of the earthquake magnitude through the analysis, research and evaluation of the area seismic geological condition of the workzone. secondly, according tothe research of the seismic activity, it also determines the seismic activity coefficients for per potential seismic sources areas, and the delay relation of seismic intensity and seismic accelaration, and then three different seismic intenstities and dynamic strength of bedroch under different probability are given. through the analysis and caculation of earthquake hazard with the analytic approach of probability

    首先,對工作區的區域地震地環境進行了分析、研究、評價,確定了萊蕪市可能發生地震的范圍、潛在震源及其震級上限等。其次,根據對地震活動的認識,確定了各潛在震源區的地震活動參數及萊蕪市地震烈度和地震加速度關系,在此基礎上用概率分析法對萊蕪市地震危險進行了分析計算,得到了萊蕪市在三種不同概率水平下的地震烈度和基巖地震動強度。
  18. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法,得到了在不同點以及在同一點但不同地條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜,結果表明,地基土在x 、 y 、 z三個方向的響應都是隨時間變化的,並且伴隨有明顯的波動現象產生;對于相同地條件的不同觀察點,距離荷載作用線越遠的地方振幅越小,即振動具有明顯的
  19. The non - existence of radially non - increasing positive solutions is derived for a system of quasi - linear elliptic differential equations first of all

    摘要首先得到一類擬線橢圓型方程組正解的先驗界估計和衰減性質,從而推出該方程組的徑向非增正對稱解的不存在結果。
  20. Standard test methods for measuring and compensating for transmittance of an attenuating medium using infrared imaging radiometers

    用紅外成像輻射儀測量和均衡的傳輸的標準試驗方法
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