縱向下水 的英文怎麼說
中文拼音 [zōngxiàngxiàshuǐ]
縱向下水
英文
end launching- 縱 : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
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Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000
利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和,在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc
摘要介紹了在滿足高超音速再入橫向機動航程,高超音速再入飛行時的升阻比,亞音速進場飛行時的升阻比,縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。In order to resolve the strength problem of 74500dwt bulk carrier on launching way, two aspects of problem are investigated in this report : 1 ) the analysis and calculation of the force act on the hull and the launching way when ship launching ; 2 ) the strength analysis and calculation of bottom structure in forward area during ship launching
為了解決74500噸散貨船下水時船體結構的強度問題,本文主要對兩方面的內容進行了研究: 1 )船舶縱向下水時的受力分析和滑道反力計算: 2 )艉浮時艏部區域底部結構強度分析計算。In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration
本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力曲線法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類型,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏類型和成藏模式。We usually launch a ship by end launching
我們通常採用縱向下水方式。This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis
研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性,根據等效原則將其化為等效單質點體系,然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了縱向與橫向地震響應時程分析,為該隧道的抗震設計提供依據In this paper, the deposition evolution process in qtx reservoir are studied, the incoming water and sediment, the operation data, and the time and space distribution of longitudinal and lateral sedimentation in reservoir are analyzed in detail, and the longitudinal scouring and sedimentation and lateral deformation law in reservoir tidal flat and mainstream under different operation way are summarized in every operation period
本文以黃河青銅峽水利水電樞紐工程水庫淤積演變過程為研究對象,對青銅峽水庫來水來沙組成、水庫運行資料、水庫縱橫向泥沙淤積時空分佈等進行了較詳細的分析,總結了青銅峽水庫各個運行時期不同運行方式下水庫灘槽縱向沖淤和橫向變形規律。The turbulent flow in open channel is tested with laser - doppler anemometer, in which the longitudinal time average velocity and fluctuating velocity of turbulent flow in open channel under the conditions of the sudden changes of roughnesses at different water depths are measured
摘要通過激光測速儀,對壁面糙率突變時的明渠紊流進行試驗,測量了糙率突變不同水深情況下明渠紊流的縱向時均流速和脈動流速。( 3 ) using conformal mapping, the longitudinal protrusion height and the lateral protrusion height on the v - grooved surfaces are given, on this basis, some drag reducing features in parallel - flow, cross - flow and enlarge - flow are presented and analyzed ; in addition, drag reducing features with blade - shaped grooves and u - shaped grooves are discussed, consequently, the riblets designing criterions are suggested which will reduce the drag and noise most effectively underwater
( 3 )利用保角變換方法求出v ?型條紋的縱向和橫向突出高度,在此基礎上得出縱向流、橫向流和帶角度流動時的降阻特性,並分析結果;而且分析了葉片型條紋和u ?型條紋表面上的降阻情況,提出水下具有最佳降阻效果的條紋表面設計準則。When xiaolangdi project completed and put into orperation, the inflow of water and sediment condition will be changed because of the regulation of the reservoir. especially the initial 14 years, the reservoir will hold up sediment and release clear water, which may affect the river sections in henan province, especially the wandering sections. it will result in changes of flow state and endangering the water works, because the longitudinal addend by scouring and lateral slope failure
小浪底水庫建成運用后,通過水庫的調水調沙,改變了黃河下游的來水來沙條件,尤其是運用的前14年處于攔沙期,下泄清水,對河南河道的影響最為劇烈,對游蕩性河段的河勢變化將產生很大影響,河道縱向沖刷下切,橫向灘岸坍塌,工程出險將大量增加。In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious
摻氣分流墩的增加,明顯地改善了階梯面上的壓強分佈,消除或減小了階梯凹角內和立面上部的負壓;由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊,使水流的摻氣濃度和消能率都得到較大的提高,降低了階梯面空蝕的可能性,特別是在大單寬流量時,這種效果更為明顯。The methods of displaying slice about the three - dimensional emulation model are studied. they are follow three methods. the method to make multilayer horizontal slice ; the method to make multidirection and multiangle slice the method to make single oil layer display in three space. by above three methods the oil engineer can apprehend the underground oil reservoir structure very clearly
利用計算機圖形圖象處理技術,研究對地下油藏模擬模型的切片顯示的方法,其中可完成多層水平片、可使人們在縱向空間對油藏有清晰的認識,完成多方向、多角度對油藏的垂直切片,使人們對油藏的整體構造有清晰的認識。But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont
海水灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海水處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉水中海水濃度大於50時有所下降;土壤中主要鹽離子為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能力較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響,而在降雨充分的條件下,地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to
首先對水下輸液管道繞流渦激振動的機理進行了分析,然後,利用網格生成技術及多重網格法求得了輸液管道在不同來流條件(雷諾數)下的橫向升力系數及縱向阻力系數,最後對計算結果進行了分析,並將其與已有的間接實驗結果進行了對比。Ship launching is the key procedure during ship building, most coastal shipyard adopt longitudinal gravity launching method, the existing method for calculating ship launching include regular hydrostatic method and elastic calculation of ship launching
船舶下水是船舶建造過程中一個重要環節,我國沿海大、中型船廠大都採用船舶縱向重力式下水這種下水方式,現有的計算方法主要有:傳統的靜力學計算方法和彈性計算方法。In theory, with the vertical structure and size unchanged, the performance of device can significantly improve by improving the fabrication process and reducing the lateral size
理論表明,在縱向結構不變的情況下,如果提高工藝水平,減小器件的橫向尺寸,其性能就可以得到大幅度的提高。The constriction performance of vacuum electric arc at high current levels depends on the contact material and its operational principle. axial magnetic field ( amf ) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters
在大電流水平下真空電弧的收縮特性取決于觸頭的材料和工作原理,在真空滅弧室中縱向磁場( amf )觸頭能夠阻止真空電弧收縮。In consideration of the hydrological and meteorological conditions, the construction characteristics, and the temperature control standard of rcc for cofferdams on upper and lower reaches and for right dam sections, an introduction was given to special temperature control and management measures adopted in rcc construction of longitudinal cofferdams at jinghong hydropower station during the high temperature period
摘要針對景洪水電站水文氣象條件、施工特點,以及上下游圍堰和右沖壩段碾壓混凝土溫度控制標準,介紹景洪水電站縱向圍堰高溫季節碾壓混凝土施工過程中採取的具體溫控措施,以及業主在溫控組織管理工作中採取的措施。The mechanisms of flow - induced vibrations of the fluid - conveying pipes on offshore platform and in water are analyzed, the physical models and mathematical models of flows in pipes on offshore platform and in water are established, with the programs of numerical simulation, the flow of vibrating pipe, the force of flow - induced vibration in pipe on offshore platform and the lift and the drag of flow acting on the fluid - conveying pipe in water are solved, and the linear solution for equation of vibrating fluid - conveying pipe in water with the fixed supports in two ends is derived
分析了海洋平臺及水下輸液管道的流體激振機理,建立了相應條件下的物理模型及數學模型,應用matlab軟體編制了計算程序,對海洋平臺輸液管道內流流場、管道所受流體激振力及水下輸液管道繞流受力(橫向升力及縱向阻力)分別進行了求解,並推得了兩端固支條件下水下輸液管道強迫振動方程的線性解。Some results of cases study were obtained. on the basis of theoretical framework above mentioned, the pinggu district and huairou district in beijing as two typical cases were chosen and studied systematically, comprehensive, and in depth. ( 1 ) great economic interests and good ecological benefit were gotten in pinggu and huairou through the establishment of ecological agriculture integration system, including ecological production, ecological processing and ecological marketing
案例研究結果:在構建理論框架的基礎上,本文採用定性和定量分析相結合、理論與實際相結合的方法,對平谷和懷柔的生態農業產業化發展進行了較為系統、全面、深入的研究,並取得如下結果: ( 1 )平谷大桃產業和懷柔板栗、西洋參、冷水魚都建成了生態農業生產、清潔生產加工和綠色品牌經營縱向一體化經營的生態農業產業化體系,並且取得了顯著的經濟效益。分享友人