mixing depth 中文意思是什麼
mixing depth
解釋
混合厚度-
Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後，綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料，得出如下結論：本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖；與中國東部以及華北地臺上地幔相比，研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵，局部熔融程度較高；上地幔存在橫向和縱向的不均一性，從西部的克里陽到喀拉喀什河和玉龍喀什河流域， al和lree富集程度呈下降趨勢，不同來源的相同礦物中主元素的含量差異較大；地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用；玄武巖漿的起源深度73km ；從幔源重砂礦物的溫壓估算結果，可以推斷出巖石圈厚度可達204 . 9km ；綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分，認為研究區具備了金剛石成礦地幔地質條件。 -
It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined
堿式氯化鋁的除氟能力與原水的ph值有密切的關系，除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下，進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾層厚度進行了研究，確定了其最優的取值。 -
The value calculated by the new model approximates the measure data, and the value that calculated by the whole depth mixing 2d model is much less than the measure data in the near field. this model is also superior to the traditional 2d model for its precision
可以看出，新建的部分水深平均水質模型計算值與實測值符合較好，而傳統的全水深平均模型在排放口近區范圍內計算濃度值及污染帶范圍明顯小於實測值。 -
Given their oib - type trace element pattern and depleted sr - nd isotop ic composition, the datong alkali basalts are interpreted to be generated within the asthenospheric mantle but at a shallow depth compared to the yangyuan alkali basalts. the datong tholeiitic basalts exhibit low snd values ( 1 - 4 ). their sr - pb and nd - pb isotopic correlations are consistent with a mixing between the depleted mantle and emi - like component
大同地區第四紀時期同時產出堿性和拉斑玄武巖，堿性玄武巖也主要來自於軟流圈地幔，巖漿起源深度小於陽原樣品；拉斑玄武巖具有較低的nd （ nd = 1 - 4 ） ， pb - nd以及pb - sr同位素相關關系暗示其可能是dm和型富集地幔（ emi ）組分之間混合的結果，反映了軟流圈和巖石圈地幔之間的相互作用，巖漿起源較淺。 -
A 2d numerical model for part depth homogeneous mixing
部分水深平均二維計算模型的研究 -
In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing
本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上，主要做了以下幾點工作：從質量守恆方程和euler方程出發，以某一水層處水平速度矢量作為獨立變量，推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。 -
The concentration field calculated by the 3d numerical model approximate to that calculated by the partial depth homogeneous mixing 2d numerical model
用該模型對定點排放濃度場進行模擬計算，並與前述部分水深平均二維模型的計算值進行比較分析。 -
Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency - space domain, fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability. thirdly, author, applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain, to the prestack and poststack forward modeling and depth migration
第二，從平方根運算元的近似展開出發對頻率?空間域的有限差分運算元、混合域（頻率?空間域；頻率?波數域）的fourier有限差分運算元、混合域的廣義屏運算元進行了推導並對其波場描述精度、對橫向變速的適應性、計算效率和穩定性進行了比較與評述。 -
The vertical mixing law of the linear source in the natural river has been studied in the second step. at first the concentration equation of the linear source at different depth has derived. by the theoretical analysis, the relationship between the distance of the vertical homogeneous mixing and the part depth of homogeneous mixing, and the equation calculated distance of whole depth homogeneous mixing for the linear source have been presented
通過理論推導，得出任意位置上瞬時線源濃度場的解析解表達式；推導得到表面不同深度線源排放時垂向部分均勻混合水深隨縱向距離變化規律的函數關系，並建立了相應變化規律的諾莫圖；導出了表面不同深度線源在全水深均勻混合時的縱向距離的計算公式，應用長江口南通河段實測資料驗證，得到一致結果。 -
It is proved that the error caused by mixing water - land information on boundary may be eliminated by choosing the research waters within the water boundary under designed lowest navigable stage, and the precision of remote water - depth of river may be enhanced
研究表明，用最低通航設計水位時的水域邊界裁取研究水域，可消除邊界點因水陸信息混合產生的誤差，提高遙感水深精度。 -
The precautions for the underwater concrete reinforcing cage up - floating accident is placing the reinforcing cage in the pile hole center, controlling the embedded depth of conduct pile, concrete casting velocity and conduce pipe drawing velocity, mixing fine quality concrete, adding barbed bar and specialized refincing cage hanger hook
採用對策是注意保證灌注導管位於鋼筋籠中心，控制導管埋深、灌注速度及提升導管的速度，配製品質好的混凝土，以及採用「倒剌」方法和專用吊鉤等預防措施。 -
These equations are verified by the measure data in nantong section in yangtse river, and the results are satisfied. on the base of the vertical mixing law, the part depth homogeneous mixing 2d numerical model has been developed, and it was used in the concentration field calculation. by use of the measure data of rbodemine - b tracer in yangtse river estuary, the comparison of value calculated with data measured has been made
該模型去掉了傳統的全場水深平均二維模型污染源一出排放口便在水深方向上均勻混合的假設，而將計算水域劃分為污染物濃度在垂向上達到部分水深均勻混合及全水深均勻混合兩個區域，並將上述有關部分水深均勻混合及全水深均勻混合的基本規律的研究成果應用該模型中。 -
By the theoretical derivation, the equation of the vertical homogeneous mixing distance of the continuous and instantaneous point source is developed. the definition of the part depth of homogeneous mixing is given, and its equation is obtained. these equations are verified by the measure data, such as the data of nanjing section in yangtse river, and the results are satisfied
通過理論推導，分別得到瞬時點源和連續點源濃度場在垂向上達到全水深均勻混合的縱向距離的理論計算公式；進一步研究排放口至全水深均勻混合距離之間水域的污染物垂向紊動混合過程，首次提出了部分均勻混合水深的新概念，推導得到部分均勻混合水深隨縱向距離變化規律的表達式。 -
This article briefly explains the basic principle of coherent jet technology, and contrasts the characteristics of coherent jet with supersonic jet, accordingly the coherent jet technology has lower decay, longer jet distance and less absence of dimple etc, to form into a greater depth of penetration for any stand - off distance and ameliorate the effect of mixing round for liquid
摘要簡述了集束射流技術的基本情況，與傳統超音速射流的特性進行了對比，從而看出集束射流具有發散小、噴射距離遠和噴濺少等特點，可以形成較大的穿透深度，改善了對鋼液的攪拌效果。
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