達文垂 的英文怎麼說

中文拼音 [wénchuí]
達文垂 英文
daventry
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : Ⅰ名詞1 (字) character; script; writing 2 (文字) language 3 (文章) literary composition; wri...
  • : Ⅰ動詞1 (東西的一頭向下) hang down; droop; let fall 2 [書面語] (敬辭 多用於長輩、上級對自己的行...
  • 達文 : dak ven
  1. Based on developed experimental testing facility, the shading performances of southing horizontal shading devices, vertical shading devices and integrative shading devices of external windows are measured, the performance parameters including indoor temperature, air - conditioned cooling load and shading coefficient as so on. and the shading coefficient of experimental test results and calculation results based on design standard for building energy efficiency are compared, and the windows5. 2 simulation results are compared also. the measured results are consistent with the calculation results of horizontal shading devices and vertical shading devices

    利用研製的建築遮陽性能檢測裝置,對南向水平遮陽板、直遮陽板和綜合遮陽板外窗的遮陽性能(包括室內溫度、空調耗冷量和遮陽系數等)進行了實驗測試,並對遮陽系數的實驗測試結果與節能設計標準的計算值以及windows5 . 2軟體的模擬結果進行了比較分析,測試結果表明水平遮陽板和直遮陽板外窗的遮陽系數與計算結果比較一致,相對誤差分別為2 . 5 %和4 % ,而綜合遮陽板外窗的遮陽系數與計算結果的差值比較大,相對誤差到10 %以上。
  2. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  3. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表式,得到了漫灘水流線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  4. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    摘:系統地揭示了翼形幾何參數對機翼的空間散射特性、極化散射特性的影響規律.研究發現,在直極化狀態下用理論尖劈公式計算機翼后緣繞射的計算結果與實驗結果相差甚遠.提出在直極化狀態下機翼后緣繞射的計算必須將后緣厚度考慮在內的見解.對於水平極化,前緣散射波峰只與前緣半徑有關;而對於直極化,前緣散射波峰與翼形最大厚度以及最大厚度位置有關.給出前後緣散射波峰的工程估算公式,為低雷散射截面( rcs )機翼設計提供依據
  5. In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding

    用綜合觀測的方法,利用機載pms雲粒子探測系統,根據雲系的宏微觀結構特徵進行有針對性的直探測飛行,配合衛星、雷、地面雨量、雨強計網觀測資料對2003年9月17日延安降水性層狀雲系中那些有代表性的部位或直分層做細致的觀測分析,獲得雲系的微物理結構和自然降水形成的物理過程,並用觀測事實來驗證人工增雨引晶催化后的物理響應判據。
  6. The results of simulations are : i ) energies of the incident ions to the target are determined mainly by the voltage across the cathode sheath, with a majority of ions " energy vary around the sheath voltage ; ions nearly normally bombard the target ; ions mainly locate above the sputtering holes because of the influence of the magnetic field, and the incident ions mainly come from the region ; the ions undergo several collisions during transportation, but that do n ' t matter much

    主要模擬結果有: ? )入射離子到靶面時的能量主要受到了射頻輝光放電中陰極殼層西北工業大學碩士學位論李陽平電壓的影響,大部分離子的入射能量在陰極殼層電壓值附近,離子濺射時接近於直入射;射頻輝光放電受到陰極磁場的影響,等離子體中的離子主要集中在靶面濺射坑的上方,且入射離子主要來自這個區域;入射離子在輸運過程中和背景氣體分子有少量的碰撞,但影響不太大。
  7. The other has two metal - insulator - semiconductor ( ms ) contacts with lower leakage current ( less than 4 pa, 300v ) and better energy resolution ( about 10 % fwhm for 241am 59. 5kev line ) and poor working stability. in theoretical studies, the analysis on the phase equilibrium in the vapor growth of cdse single crystals shows that the stoichiometry of cdse crystals can be controlled effectively by controlling the stoichiometry of starting materials and the vapor growth temperature. besides, the investigation of the transporting properties of charge carries in cdse detectors indicates that the noise in energy spectrum detected by using the detectors with msm structure is caused by the hole injection, which is induced by electron injection and the light injection

    把cdse單晶體的生長、單晶體的成分、單晶體的性能以及單晶體在室溫核輻射探測器中表現出來的性能結合起來進行了比較系統的研究;採用直無籽晶氣相提拉法生長出了電阻率為10 cm量級、尺寸為中10mm 30mm的單晶體;制備出了能量解析度10 ( fwhm ) (對~ ( 241 ) am59 . 5kev譜線而言)的cdse室溫核輻射探測器,取得了較好的研究結果。
  8. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能,本首先提出以「目標進入雷覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標直入侵時可能進入雷覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。
  9. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷的回波信息(包括強度、徑向速度和速度譜寬)進行加工、計算和處理,本根據南京氣象學院在天氣雷方面的長期研究積累,同時借鑒其他國內外先進的天氣雷產品的演算法,結合我國氣象業務應用的要求,對多普勒天氣雷的氣象產品(組合反射率因子、任意直剖面、等高平面位置顯示、直累積含水量、弱回波區顯示、 vad直風廓線等)進行工程化設計。
  10. The public, however, received the " smoke of joy " collection rather dubiously and coldly. the audacity and unconventionality of the storiettes was a shock to bourgeois morality and prejudice ; but when paris went mad over the immediate translation that was made, the american and english reading public followed suit and bought so many copies that martin compelled the conservative house of singletree, darnley co. to pay a flat royalty of twenty - five per cent for a third book, and thirty per cent flat for a fourth

    不過,讀者對歡樂的輕煙的反應卻頗為冷淡,且態度曖昧,因為那些小小說的大膽和反傳統精神震撼了資產階級的道德和偏見但該書的法譯本隨即風靡了巴黎,這時英美兩國的讀者才又跟了上去,銷售量之大,使得馬丁在銷售他的第三本書時逼迫那謹慎保守的欣格恩利公司給了他兩毛五分的版稅,第四本書則要了足足三角。
  11. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無速度傳感器雙饋調速矢量控制系統,由於採用磁鏈定向方法,在同步速附近存在較大的工作死區,針對上述問題,本做了如下的研究工作:本從雙饋電機的數學模型出發,根據矢量控制的基本原理,提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想,即在雙饋調速時採用轉子電流定向的方法,並控制外加轉子電壓與轉子電流始終反相,以保持了轉子電流與轉子磁鏈矢量直,通過控制轉子電流的大小來到控制電機電磁轉矩的要求。
  12. This thesis gives the example of donghai county, jiangsu, analyses the present situation of teacher movement according to crosswise movement and up and down movement, analyses deeply its reasons from economy, management and psychology etc, try putting forward how to realize its rational movement, which includes : improving the teachers " treatment, inclining to the teachers of this area, establishing teacher market, perfecting teacher employment, carrying out kinds of flexible engagement mechanism, putting teacher movement on terms into practice

    以江蘇東海地區為個案,按照水平流動和直流動的分類對其鄉鎮中學教師的流動進行分析,從經濟、管理、心理等幾個方面深入地挖掘其原因,並借鑒國內外教育和一些企業的先進經驗,嘗試著提出如何實現經濟欠發地區鄉鎮中學教師合理流動的對策。其中包括:切實提高教師待遇、政策向農村教師傾斜、構建教師人才市場、完善教師聘任制度、建立靈活多樣的用人機制、實行教師定期流動等。
  13. 5. the calculation of rca index shows that shandong has an obvious advantage to other provinces on the exportation of primary commodities while a bad situation in industrial products especially those products with intensive technique and capital

    6 、本計算了山東省產業內貿易指數,結果表明,在與美國、日本等發國家的貿易中,山東參與國際貿易競爭仍然表現出較強的直分工特徵。
  14. The claim has been made upon the results that the wmt method should be used in the area near the vertical, while the phase difference method in slant beams and a rule has been given to select among those two methods according to the " effect value " on condition the depth is known for the consideration of improving the measurement precision, this paper studies the factors which affect the toa measurements, and three expressions of precision has been introduced as to applications of phase difference method, this paper introduces an automatic hunting method based on amplitude power to get the range of echo arrival

    採用方差分析的方法,使用重復海試數據對wmt法和相位差法的優劣進行了分析,指出了直附近應該使用wmt法,而傾斜波束應該使用相位差法;給出了在深度真實值已知前提下wmt法和相位差法使用的判決準則,即根據效應值的大小來選擇。本從提高測量精度角度出發,分析並驗證了影響toa測量精度的因素;給出了三種精度表示。在應用相位差法時,引入了一種基於幅度能量的區間自動搜索方法;實驗表明該方法能很好地確定回波到的大概時間范圍。
  15. Dagen lowered his eyes. " i can do this, father. the words of summoning are here.

    恩低著眼睛。 「我可以做到,爸爸。召喚龍神的咒就在這里。 」
  16. Abstract : the cotton / polyester fabrics were treated with sulfuric acid and the qualities so obtained meet the standards ( no. 0567 - 85 ) issued by shanxi quality inspection organization. the effects of the strength of acid and the time of treatment upon the decrease were discussed. some properties of fabrics of batch production were tested

    摘:用硫酸對滌棉織物進行酸減量紡絲綢整理.探討了酸濃度、酸處理時間等對織物減量率的影響,測試了批量生產后織物的彈性、強力、懸性等性能指標.經測試處理后織物的各項質量指標可以到有關標準的要求
  17. This paper improves the common - used way of prediction to synchronize the measurements, and then realizes the passive location with the use of the near location that comes from the point of intersection of the perpendicular of the two radials and the radial the target locates

    對常用的濾波預測方法進行改進,使之適合於方位數據的時間對齊,然後利用目標所在射線與兩異面射線的公線的交點作為目標位置的近似,來到無源定位的目標。
  18. Hydrogeologic profile is the most intuitionistic and effectual expression of hydrogeologic stratum

    地質剖面圖是水地質層在向上最直觀最有效的表方式。
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