gradient zone 中文意思是什麼

gradient zone 解釋
梯度帶
  • gradient : adj. 1. 傾斜的。2. 【動物;動物學】步行的,能步行的。n. 1. 〈英國〉(道路的)傾斜度,坡度,坡路。2. 【物理學】梯度,陡度,(溫度、氣壓等的)變化率,梯度變化曲線。
  • zone : n 1 【地理】(地)帶。2 區域,范圍,界。3 〈古、詩〉(腰)帶。4 圈,環帶。5 【數學】(球面)帶;...
  1. There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data

    ( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響,冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響,且溫度梯度與水分運動方向相反。
  2. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述,總結出邊界層厚度與設定風速、實驗段深度的關系,然後給出模型中心區一定風速下校正數值。
  3. The regional deformation anomaly of medium - term phase ( 1 ~ 3 years or more ) before strong earthquake occurrence usually shows three aspects of common characteristics : for regional vertical deformation, it shows distribution features of anomalous uplift area and concentration belt - high gradient belt of vertical differential deformation ( some of them reflect distribution of four quadrants ) related to tectonics ; for horizontal movement, it shows features of centralized high strain area ( or zone ) of domination shear deformation related to active blocks and faults ; it shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation

    摘要強震前中期階段( 1 ~ 3年或稍長)區域性形變異常往往表現出3個方面的共性特徵:區域垂直運動變形呈現與構造有關的異常隆起區、垂直差異變形高梯度帶(有的還呈「四象限」 )分佈特徵;水準運動變形呈現與活動地塊及斷裂構造有關的、以剪切變形?主的高應變集中區(帶)特徵;區域性垂直形變異常區與水準形變的高應變分佈區共性的特徵。
  4. The transition zone quite often shows a decrease in temperature gradient due to the ability of water to absorb up to a 1 / 3 more heat than rock

    由於水具有比巖石能多吸收三分之一熱量的能力,因此,這類有變化的地層通常都顯示出地溫梯度下降的趨勢。
  5. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法,並用實例說明了該方法的應用效果。
  6. Results of experiment b demonstrate that a convergence zone of wind vector and water vapour with dense pressure gradient is formed alone the coast after tc ' s outer circulation encountering land, which results in more precipitation

    試驗b的結果顯示,熱帶氣旋外圈環流與陸地接觸後到中心登陸前後,沿海岸線一直存在一條氣壓梯度相對密集的風矢量、水汽輻合帶,引起該處降水增多。
  7. Diversity index on different terrain varied between 0. 28 to 1. 75, the terrain followed the sequence of level land - plain > sloping land - medium - gradient mountain > sloping land - medium - gradient hill > level land - valley floor > sloping land - medium - gradient escarpment zone > level land - depression > steep land - high - gradient mountain ; the evenness index on different terrain varied between

    發育于不同地形上的多樣性指數值范圍為0 . 28 1 . 75之間,從高到低依次為平原、中坡度、中坡度丘陵、山麓平原、中坡度峭壁帶、低洼地和高坡度山地;均勻度指數范圍為0 . 26 0 . 84之間,從高到低依次為中坡度、平原、山麓平原、中坡度丘陵、中坡度峭壁帶和低洼地。
  8. In crystal growth experiment, aggas2 crystal was growen in special quartz ampoule by crucible descending method ( b - s method ). the equipments were used, which consist of a two - zone vertical growth furnace whose temperature gradient is tunable, a descending device with decelerating rate of 1 : 2000, a controlling system of electy and a temperature testing system using thermal couples

    晶體生長實驗中,我們利用上下溫度梯度可調的二溫區管式生長爐, 1 2000減速比的旋轉下降系統,電氣控制系統和密集適時測溫系統等,在特殊形狀的石英生長安瓿中,採用坩堝下降法( b - s法) ,以合成的aggas _ 2多晶原料進行晶體生長。
  9. In this paper, an ingot of niobium - niobium silicide based in - situ composites ( rmics ) was prepared by arc melting process, and nb - nb3si / nb5si3 in - situ composites with a uniformly orientated microstructure were produced in a high temperature gradient directional solidification apparatus named electron beam floating zone melting ( ebfzm ). the relationships between the processing parameters and the characteristics of the solidified microstructure have been investigated. the influence of the microstructure on the mechanical properties has been revealed and the rupture mechanism at room temperature has been discussed

    本文採用真空電弧自耗熔煉法制備了鈮?硅基rmics材料的母合金錠,並採用電子束區熔( ebfzm )高溫度梯度定向凝固裝置制備了定向效果良好的nb - nb _ 3si nb _ 5si _ 3共晶自生復合材料,並對其定向凝固工藝參數和組織之間的對應規律、組織特性進行了研究,探討了凝固組織對室溫力學性能的影響及其斷裂機制。
  10. Test results show that the formation of protective nut by laser welding have narrow heat affect zone and minimum organization grow up inclination, gentle hardness gradient, and the protective cover is nearly not out of shape

    研究結果表明,防護螺母激光焊接成形具有最窄的熱影響區和最小的組織長大傾向,硬度梯度平緩,且防護罩幾乎沒有變形。
  11. In guangdong, the greater pearl river delta ( gprd ) and its peripheral areas are characterized by the structure of geographical gradient : gprd serves as the economic and cultural core, while the peripheral as the marginal zone

    摘要從大珠三角與其周邊地區的地理梯度特徵,可見大珠三角在廣東地理、經濟、文化中的核心地位,其周邊地區的邊緣地位。
  12. Along the elevation gradient or succession series, the activity of alkaline phosphatase increased gradually. besides the surface sediments * alkaline phosphatase of sediments in every vegetation area has higher peak activity and vmax, but a lower km at the depth of 20 - 30cm. lt was proved that there was a remarkably active zone of the alkaline phosphatase in the sediments besides the surface layer

    而各植被樣帶沉積物中堿性磷酸酶活性、 vmax除在表層有一高值以外,各植被樣帶在20 - 30cm處有一較高峰值,而km值在該處有一較低值,說明除了表層之外,在亞表層有一個令人注意的堿性磷酸酶活躍區。
  13. The deposit is regional located in the place of the sudden changing of gravity - gradient zone in the direction and intensity. the area also shows high geochemical background of au, ag, as, sb and hg elements

    區域上礦床處于重力梯度轉向及其梯度值突變部位,有au 、 ag 、 as 、 sb 、 hg等元素的地球化學高背景區。
  14. The main subjects and conclusions are as follows : 1. a kind of directional solidification equipment of high temperature gradient and double - zone heating is self - made

    主要內容和成果有: 1自行設計了一臺雙區加熱高梯度定向凝固裝置。
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