波浪區 的英文怎麼說
中文拼音 [bōlàngqū]
波浪區
英文
wave zone-
Both upper and lower epidermis cells are polygonal or irregular in shape in all species studied. the patterns of anticlinal walls are straight, arched or sinuous, and the raphal cuticular striastriae are occasionally observed on periclinal walls. stomatal apparatus and secretory cells are found on the upper epidermis of several species and on the lower epidermis of all species
結果表明:這些植物葉片的上、下表皮細胞呈多邊形或不規則形,垂周壁式樣為平直、弓形或波浪狀,平周壁偶有脊狀條紋;少數種類上表皮還有氣孔器或分泌細胞,所有種類下表皮具氣孔器和分泌細胞;氣孔器類型以平列型和側列型居多,偶爾有無規則型;氣孔極區呈稍角質加厚或棒狀加厚,稀t形加厚。In this paper, the numerical harbor should include following contents : 1. database of wave field, tidal current field, sediment field in researched area ; 2. database of ship styles. 3. numerical model used to analysis data. 4. plans of outer dike, utilities of sea line, and selections of waterway, which based on the above databases
本文認為,對于港區而言,數值化的內容應包括以下幾個方面: ( l )所研究港區的波浪場、潮流場及泥沙場等自然條件數據庫的建立; ( 2 )船型數據庫的建立; ( 3 )數值分析模式的建立; ( 4 )提出建立在自然條件基礎之上的外堤布置、碼頭岸線利用策略及航道的擬定方案(即優化模式的建立) ; ( 5 )按照經濟最優原理快速準確地提出碼頭裝卸的策略及當前方案。In coast and offshore engineering, the safety of the structures whose superstructures located in the splash zone such as piled wharves, shore trestles, oil drilling platforms, etc, have great relation to wave slamming
在海岸和近海工程中,近海採油平臺、樁基碼頭和海上棧橋等上部結構位於浪濺區的建築物的安全與波浪沖擊作用關系極大。So, optimization of breakwater planning is of great practical value and should be resolved immediately. at first, the paper narrates the development of numerical modeling, which includes shallow water dynamics theory and method, and compares the boussinesq model and mild - slope equation model. the purpose is to select one model that best fit for wave calculation in harbor engineering
本文首先綜述了波浪數值模擬的發展概況,其中包括淺水動力學的常用理論和方法,並詳細比較了目前使用較多的boussinesq模型和緩坡方程模型,其目的是選擇其中較為適合港區工程波浪計算的模式,並將其作為優化模型的驗證或用於適應度計算。By calculating instability factor in research area, this paper gives some corresponding suggestion. this paper shows engineering instability around instrument foundation and coupling relation to the circumjacent seabed, and research the dynamic response between wave and seabed, and enriches the research content of instability of seabed around instrument foundation and give some appropriate suggestion to foundation planning of ocean engineering, also it prevents instrument, facility and property of state from losing and risking
這篇論文揭示了構築物地基土的工程穩定性及與周邊海域互動禍合關系,研究了淺水區構築物底床在波浪等水動力作用下的動力響應,豐富了構築物周邊水下底坡穩定性研究的內容,為海上工程設施的地基設計提供了良好的理論指導性建議,對保障海上安全生產、保證海洋設施的完整及使國家財產免受損失也有重要的現實意義。In order to obtain a complete and quantity evaluation for navigation and fishing operation in stormy weather, the paper gives a practical method for eveluating and sets up a evaluated equation in which many factors are considered
摘要通過對我國主要海洋漁場東、黃海波浪的統計分析,選出適用於我國海區的風浪譜,並以此為基礎給出漁船在不同狀態下的運動響應方程。Based on data collected from east china sea, the waves are calculated and analysed statistically, therefore as obtained the relation between wave height and significant period as well as average period
摘要根據實測數據對我國主要漁區(東、黃海)的波浪進行了統計分析,得出適用於該海區的有效波高與有效周期及有效波高與平均周期的統計關系式。The results of explosive welding specimen show that the interfaces formed by explosive welding present disciplinary and consecutive shape. there are no distinctiness diffused layers on the interfaces. after elevated temperature annealing, the interdiffused layers formed in interface of nb - 1zr and stainless steel
研究結果表明:對于nb - 1zr合金和不銹鋼爆炸焊接形成的結合區呈現規律的和連續的波浪形狀,無明顯擴散層;經高溫退火后的結合層形成一定厚度的由nb - 1zr和不銹鋼合金元素互擴散形成的擴散層。The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics. in another way, soil composition of three phases, content of available water, nutrient content and composition of humus have significant different in different profile morphological characteristics. among three groups of profile morphological characteristics, corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most, reached 8. 22t / hm2on average. corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7. 55t / hm2 on average
這兩種界面構造對玉米產量影響差異顯著, 「平面型」界面土壤抗逆性較強,產量最高,平均產量達8 . 23t / hm ~ 2 ,而「波浪型」界面土壤抗逆性較差,它可以分為兩種情況:當耕層厚度15cm時,產量處于中等水平,平均產量為7 . 55t / hm ~ 2 ;當耕層厚度15cm時,產量最低,平均產量為6 . 65t / hm ~ 2 ,此種土壤處于丘陵漫崗區,產量受水土流失影響較大。As the wave falls, the arc creates an impromptu seating area for the interior event space
拱門波浪板放下后,形成臨時座位區,可當室內聚會場所。From the situ - observation data of shallow and deep water regions at the coastal zone, it is shown statistically that the occurrency of the coupled ocean waves is more than those of the wind - induced waves and swell. the ratio of the coupled ocean waves at the yangtse river estuary ( especially at shallow sea region ) is nearby 70 % of all the ocean waves, for instance at the observation station dajishan
近岸(淺水)波浪測站和深水的波浪觀測資料統計表明,混合浪的出現均大於純風浪和純涌浪,特別在淺水區域,例如大戟山海洋站,混和浪所佔的比率接近70 。This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil
這種不穩定塊體運動由波浪循環荷載誘發,其結果使底床整體坡度減緩,水深加大,而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點,將繼續影響著海域以後的水深地形的發展演化,並不斷改變著該區的流場與底床地層條件,對構築物地基土的穩定性產生著動態的影響。The suitable study area that is natural laboratory and has representative will be selected in the dissertation, a series tests of in - site and laboratory have been carried through in the year of 1999 and 2002, the response process of soil in wave load are tried to be disappeared
本學位論文在黃河口選擇典型研究區作為天然試驗室,從1999年至2002年進行系統的現場和室內試驗,試圖發現土體對波浪作用的變化響應過程,這是本論文的另一立論依據。Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary
通過對底床在波浪下的響應分析,對于研究區底床上層較硬而第二層較軟的情況,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海況下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。According to lithology, color, size of grain, sedimentary structure, and fossil types, the matuo formation vertical lithofacies are grouped into four types, represented tidal flat circumstance dominated by tide and shoreface circumstance dominated by wave, respectively
根據巖性、顏色、顆粒粒徑、沉積構造以及所含有化石類型,可以將雁石坪地區瑪托組劃分為4個巖性組合,它們分別代表以潮汐作用為主的潮坪?海灣環境和以波浪作用為主的濱面環境。In period of the eighth five - year plan of china government, correlated and statistical analyses were carried out by nanjing hydraulic research institute in terms of the situ - observation data of winds and waves and historical synoptic chart in order to the dredge of the sea - route of the yangtse river estuary, and empirical relations between wave and wind velocity and between wave and wind region
進入「八五」期間,為整治長江口深水航道需要,南京水利科學研究院曾對引水船測站1960 - 1980年實測風與浪的資料進行過相關分析,結合歷史天氣圖進行的概率統計分析,得出了波浪與風速、風區的經驗關系。The magnitude of set - up is a noticed number. 2 ) the wave has improved the magnitude of bottom stress in the shallow water, and decreased the current velocity
2 、在近岸淺水地區,考慮波浪作用后的底摩擦應力明顯增加,引起流速的減少及水位的減小。The analyses of the calculated current fields, wave fields and suspended sediment distributions under normal or typhoon weather show that the model system can preferably reflect hydrodynamic fields and sediment distributions in the yangtze estuary
分析流場、波浪場以及正常和臺風天氣下的懸沙場的計算結果,表明該模型系統能合理地反映長江河口區域的水動力場和泥沙場的分佈。Experiences show that it is an effective and feasible way to similate the wave transformation in mathematical ways in real coastal engineering
實踐表明,在諸多方法中應用數學模型來模擬波浪在近岸地區的傳播變形是經濟的、可行的。The effects of waves transformation, refraction, diffration, reflection and breaking are all due to the depth of water, varying topography, bottom friction, obstacles and current as waves proceed from offshore to near shore regions. some basic parameters which are relevant to the cost of buildings as well as the type of structures are determined by the wave factors since these projects are placed in near shore area, so it is of great importance to study the regularity of wave transforming
外海波浪傳入近岸淺水區受水深、地形、底摩擦、障礙物以及水流等因素的影響,會發生變形、折射、繞射、反射和破碎等各種現象,然而大部分海洋及海岸工程位於近岸地區,該地區的波浪要素將是確定工程造價、建築物型式等最基本的參數,因此研究近岸地區波浪的變化規律具有重要意義。分享友人