衰減地 的英文怎麼說

中文拼音 [shuāijiǎnde]
衰減地 英文
damply
  • : 衰動詞(衰弱) decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration.

    在苯或乙酸乙酯溶液中其速度隨甲基丙烯酸甲脂濃度呈直線增大。
  2. Attenuation of seismic waves between such surfaces can be similarly diagnostic.

    在這些界面之間震波的,同樣可以作為一種標志。
  3. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了縱向總應變、彈性模量的經驗公式,及其第二階段總應變增長率、彈性模量率分別與疲勞壽命的關系式。
  4. 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性質,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,所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈性波反射方法進行損傷檢測中,不考慮截面效應對彈性波的影響,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。
  5. The research on attenuation features of intensity in the yunnan region by using intensity isoseismals of 127 earthquakes, and the following three conclusions have been put forward : ( 1 ) average ratio values of long - axis to short - axis of innermost isoseismal in the yunnan region is larger than eastern china and smaller than western china

    摘要本文利用127次震等震線資料,對雲南震烈度特徵進行了研究,其結果表明: ( 1 )雲南震烈度極震區等震線的長軸、短軸之比的均值,高於我國東部區而略低於西部區的平均值,烈度方向性強。
  6. Based on the theory of the extended fractal dimension, this paper studied the attenuation level of self - similarity of various map objects with the variety of the map scale, and researched further the relationship between the scale level factor of map features and fractal attenuation

    以擴展分維作為理論基礎,從變維分析的角度出發,研究圖目標的自相似程度隨比例尺變化而的規律,進一步研究圖目標的尺度指標與分形之間的關系。
  7. The ground will not have time to polarize completely and the decay will have a smaller amplitude.

    層還來不及充分極化,曲線的幅度將比較小。
  8. The analysis of data and uncertainty of the test upon different simulant target properties and atmospheric condition has proved that noncooperative regulable attenuation method and setting described in the paper can achieve a quantitative output

    不同目標特性、不同大氣條件下的面性能驗證實驗數據和精度理論分析結果均表明,非合作目標可調法可以實現對激光高度計最大測程的定量化驗證。
  9. The maximum range is the most important specification for a laser altimeter and 200km is the required level for the spaceborne laser altimeter in the lunar resources survey. in the paper, one kind of method and setting characterizing the laser altimeter ' s performance aiming at the specification of maximum range - noncooperative regulable attenuation was put forward and founded

    中科院知識創新重大方向?月球資源探測衛星激光高度計,要求實現200km的對月測距能力,本文以面驗證激光高度計最大測程指標為目標,提出並建立一種激光高度計性能驗證方法?非合作目標可調法和裝置。
  10. 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張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  11. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統研究了基於「北斗一號」衛星載波相位干涉測量原理實現球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  12. According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths

    第三,根據西安區氣象觀測數據,討論了西安典型雲的宏觀和微觀物理特性;根據西安典型雲的觀測結果和世界氣象組織提供的數據,得到西安典型雲的k - m雲滴譜參數;並根據西安區雲的液水含量,計算了一空路徑上雲的,結果表明,在v波段和仰角小於30度的ka波段路徑,雲的需加以考慮。
  13. It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k

    結果表明,如果腔場無損耗且處于真空庫,則量子態周期性顯現出一定的非局域性;如果考慮到腔場的損耗和熱庫的平均光子數,那麼,量子態將會喪失它初始的非局域性,初始量子非局域性喪失的速度與初始腔場的幅度、腔的系數以及熱庫的平均光子數有關,場越強、平均光子數和系數越大,量子非局域性喪失得就越快。
  14. Because of the unreasonable operation mode, the reservoirs sedimentation is serious, which lead to the problems of inadequate use of water resource, degressive works benefit and high risk in water works operation and flood control in this area

    但長期以來,由於運用方式不合理,水庫工程泥沙淤積嚴重,徑流資源得不到充分利用,工程效益逐年,並對工程運行和區防洪安全形成嚴重威脅。
  15. Two of the most predominant characteristics of surface wave are dispersion and attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior

    頻敵和是面波傳播中的兩個基本特徵,利用面波頻散和可以有效研究球內部速度結構和粘彈性結構。
  16. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小震的關系后,本文對峰值加速度(水平向與垂向) 、加速度反應譜(阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 )的特性進行了分析,影響因素主要考慮了震級與距離這兩個方面。
  17. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果,重點閘述了三維折射波靜校正技術,疊前波場分離相干噪音壓制方法(疊前fx去噪) ,疊前三維多域隨機噪音技術,多次波技術,非對稱雙曲線動校正技術,波動方程動態替換技術,非表一致性的剩餘時差靜校正技術,超面元迭加處理技術,疊后深度偏移處理,疊前深度偏移處理等。
  18. Laboratory measurement of the reduction of transmitted tapping machine impact sound by floor coverings on a solid standard floor

    板面料覆蓋標準固體板的試驗室測量法測定攻絲機沖擊噪聲的
  19. Now the diffuse earthquake has been used in the earthquake hazard analysis for the nuclear power plant. so we collect some records from the small - moderate earthquakes with magnitude between 4. 0 - 6. 5 and distance from the source less than 70 km. then we develop the attenuation laws of these earthquakes expecting to reflect the attenuation laws of the diffuse earthquakes

    通常為近源中小震的彌散震影響是核工程安全性評價中的重要內容,為滿足核工程震安全性評價工作的需要,本文選取了一些震級介於4 . 0 ? 6 . 5之間,距離小於70km的中小震的近場記錄,對這些震的規律進行了研究。
  20. Based on analysis of the reasons that cause oasis disintegration such as annual decrease of influx, under groundwater level to annually descend and vegetation descending and their rules, the tendency in the future of the hydrology and oasis under the current condition primarily estimated

    對此分析了民勤入境水量的逐年下水位持續下降、荒漠草原超載放牧等引起綠洲變的主要成因及其變化規律,並初步估算了現狀條件下水文及綠洲未來變化趨勢。
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