water depth 中文意思是什麼

water depth 解釋
水體深度
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • depth : n. 1. 深;深度。2. (色澤的)濃度;(聲音的)低沉;(感情等的)深厚,深沉,深刻。3. 進深。4. 〈常 pl. 〉深處;深淵,深海,海。5. 正中,當中。6. 深奧,奧妙。
  1. Using the model experiment data, the authors calculate the decreased percentage of water jump length, unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle, it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost

    計算了新增齒墩設施的消能量,同時計算了新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數。結果表明,採用齒墩設施,可增進消能作用,並取得顯著的經濟效益,達到附加射流水躍理論所預期的效果。
  2. The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number

    本文通過齒墩頂部的擴散水舌所形成的附加射流,從上部射入水躍,即可改善消力池內的水流流態,又可降低第二共軛水深,減小水躍長度,增進水躍消能效果,同時還能解決大單寬、低佛勞德數條件下摻氣和消能不足的問題,試驗證實它是一種安全、經濟的消能工。
  3. The water - depth computer monitoring system collects data from gps, multi - frequency fathometer ( 16 frequencies ) and plc network. based on the analysis of these data, a three - dimensional underwater ground profile is presented for the scheduled area of geotextiles - laying, the development tool of the three - dimensional underwater ground profile is opengl. this thesis is organized into five chapters

    水深計算機監控系統採集來自gps 、多通道測深儀( 16通道)以及plc網路的數據,將這些數據進行處理后,顯示待鋪設軟體排的小區域內的三維水下地形,三維地形的開發採用目前國際上流行的三維圖形介面opengl 。
  4. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。
  5. Nowadays the development of abyssal aquaculture cages is playing an increasingly important role in the sea farming industry in china but meanwhile, there are still some problems arising the sea farming industry in china focus on shoals and bays with good protection in which the water depth is small while the aquaculture density is large. these factors in addition to the pollution problems in the coastal gone have descended the quality of fishes, thus have had some negative effects on the economic benefits

    目前我國海水網箱養殖業發展迅速,日漸成為漁業發展中的一個重要產業,在發展的同時,也暴露出一些問題:我國海水養殖主要在淺灘、掩護較好的海灣內,水深較淺,養殖密度大,加上近岸水域的污染,使魚品質下降,經濟效益受到一定影響。
  6. Prepare spud plate and wireline to check water depth

    準備測深板和鋼絲繩測量水深
  7. Ecological attributes of carex pseudocuraica over different water depth in the sanjiang plain

    不同水分梯度下三江平原濕地漂筏苔草無性系株高生長特性
  8. Generally, tidal bore is wave alignment moving upstream estuary, and its surface will break when the wave alignment is strong, which leads to water roll tracing the source. the velocity, which is between small - disturbed wave velocities before tidal bore happens and the one after tidal bore happens, increases with the ratio of tidal bore height to the water depth in wave front

    涌潮一般是向河口上游推進的波列,強度大時,表面破碎,進而發展成溯源推進的水滾,其傳播速度隨涌潮高度與波前水深比值增加,大小介於涌潮前後小擾動波波速之間。
  9. In this paper, the marine route survey factors, such as water depth, bottom slope, soil shearing strength, tidal current and thunderstorm and their roles in the submarine fibre - optic cable engineering are introduced, and their roles and necessities in the cable construction are also appraised, which will make the combination of marine route survey with construction demand closer and the marine route survey be aimed at the cable engineering practice

    摘要介紹了水深、海底坡度、土壤剪切張度以及潮流、雷暴等海洋路由各勘測要素及其在海底光纜通信施工中的作用,並對它們在施工中的作用及其必要性進行了評價,從而使海洋路由勘測與施工的需要結合得更緊密,更具有針對性。
  10. Therefore, under the certain condition of the profile of open channel, the size of long and narrow plate and installation, the flux can be achieved from the equal flux curve if the opening angle of the plate and water depth in front of the plate are accurately determined

    在確定渠斷面、細長板尺寸以及安裝布置條件下,只要準確測得細長板開啟角與板前水深,便可利用等流量線圖得知此時的流量。
  11. This thesis develops computer monitoring system of water depth of the automatic control system for the geotextiles - laying boats used for the yangtze river

    本課題依據長江航道鋪排船自動控制系統,完成鋪排船集控臺上水深計算機監視系統的開發,研究水下地形的模擬和再現。
  12. In which, it gives inquiring of the construction of deep - water foundations and the usage of floating crane. the construction program of bridge pier foundation will be fixed according to the water depth. if the water depth is less than 4m, pier foundation will adopt the method of building island by earth filling ; if the water depth is more than 4m and there is over burden at river bed, at the same time, it has sufficient bearing capacity to load steel pipe pile, the steel pipe pile platform will be adopted

    其中,對深水基礎的施工及浮吊的使用進行了探討,根據水深確定橋墩基礎的施工方法,對水深不超過四米的橋墩基礎,採用填土築島的方法:對水深大於四米,河床有覆蓋層,且能保證鋼管樁具有足夠的承載力的橋墩,採用鋼管樁平臺;對主河道上河床沒有覆蓋層,鋼管樁無法插打的橋墩,採用浮式平臺。
  13. The digital map is usually formed by the water depth ' s database measured on the seabottom. because of the disadvantage that the database is kept secret, this dissertation introduces a new method : first, the depth data are picked up from the electronic chart, then interpolation of the depth datum by kriging algorithm is adopted to gain the digital map. the method is the precondition of the terrain matching when it is researched by simulation, and it is the complement of the database

    通常數字地圖都是通過海底測量的海底水深數據庫來形成,針對水深數據庫存在保密性等特點,本文提出了一種從電子海圖提取水深數據,然後採用kriging方法進行插值形成數字地圖的方法,該方法是進行地形匹配模擬研究的前提,而且它也是海底水深數據庫的一個補充。
  14. In the test of transmission coefficient property, semi - circle type, rectangle type, trapezoid type and concave type dyke are studied. research study is on the effect of relative water depth over the dyke to the transmission coefficient of the four different types dyke, and the comparison is done. finally, the experimental formula is given to the transmission coefficient, which are compared with the present formulae

    在潛堤透射特性的研究中,選取半圓型、矩型、梯型和槽型潛堤作為研究對象,在分析各個影響因素對潛堤透射影響的基礎上,選取最主要的影響因素,即相對堤頂水深作為研究的重點,分析研究了堤頂相對水深對四種結構型式潛堤透射系數的影響,比較分析了四種結構型式潛堤透射特性,在此基礎上,總結了計算潛堤透射系數的經驗公式,並與已存在的計算公式進行了對比,最後對潛堤的促淤效果進行了評估。
  15. Through the physical model experiment, the wave forces over submerged dyke and transmission coefficient are analyzed under the action of regular wave. in the test of wave forces, the rectangle - type submerged dyke is used as research object, and when analyzing the total wave forces, the effect of water depth before the dyke and that of the wave parameters is considered. based on the test, through the methods of multi - element linear regression, experimental formulae are given to calculate maximum total wave forces in horizontal direction, its relative vertical wave forces and maximum wave forces before and after the dyke, which are compared with the present formulae

    在潛堤波力的研究中,選取矩型潛堤作為研究對象,在分析各個影響因素對潛堤波力影響的基礎上,選取兩個最主要的影響因素,即相對波高和相對水深作為研究重點,在物理模型試驗結果的基礎上,定性地研究分析了潛堤所受的總波力隨相對波高和相對水深的變化規律,並在此基礎上,利用多元線性回歸的方法,分別給出了在本文試驗條件下計算潛堤最大水平總波力及其相對應的垂向總波力的經驗公式以及計算堤前堤后最大總波力的經驗公式,並與已存在的計算公式進行了對比。
  16. Haitong terminal , with 219. 4m berth length and 13. 2m water depth , enjoys good port facilities and transportation advantages , and could receive ro - ro vessels of various kinds

    海通碼頭泊位長219 . 4米,前沿水深13 . 2米,具有得天獨厚的港口設施和良好的集疏運環境,適合各類滾裝船隻靠泊。
  17. A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water

    本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系,發現隨著海水深度的增加,散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體( lighttools )對海水中的散射進行模擬實驗,研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明,隨著粒子半徑、粒子密度和相對折射率的增加,散射的強度將顯著增加。
  18. The purpose of this study has two aspects : firstly, to determine the depth of occurrence of groundwater and to evaluate the groundwater level distribution in the oasis and desert ecotone, secondly, combining rs and gis by visual basic, in order to bring forward the means of making ground water depth map and advance making precision

    本研究有兩個目的,一是利用衛星遙感數據評價綠洲-荒漠交錯帶地下水位的分佈,藉助遙感圖像處理及分析軟體pci操作平臺,以landsat - 7etm +全波段圖像作為數據來源,建立了評價地下水位分佈的熱紅外遙感監測模型- - - arglutm模型。
  19. The relationship between the microorganisms and environmental control factors, for example, water depth, temperature and salinity are analyzed and discussed

    其中,矽藻在樣品中的豐度均占絕紂優勢,高出放射蟲和海綿骨針一個數量級。
  20. Chapter 8 simulates the ship maneuvering motion of turning and zigzag test and takes into account the effect of water depth on ship maneuverability by use of the maneuvering model group ( mmg ) of japan. the main aim is to satisfy the need such as developing the maneuvering simulator of freshwater, the dynamic demonstration of avoiding ship collisions

    第8章選擇日本mmg的操縱運動數學模型對船舶作回轉運動、 z型操縱試驗的情況進行了數值模擬,並著重考慮了航道水深對船舶操縱性能的影響問題,其目的上要是為了課題組今後進一步開發諸如內河船舶操縱模擬器、船舶避碰計算機動態演示的需要。
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