head boundary 中文意思是什麼
head boundary
解釋
水頭邊界-
The upper of the east model boundary remains constant head and the at the lower of it, there might exists a diffluent interface. so the east and west sides of the diffluent interface are respectively the drainage area of east and west karst - groundwater of yellow river
模型東界上部以黃河水位為第一類水頭已知邊界，下部必存在一個分流面，分流面東西兩側分別是黃河東西兩塊巖溶水的排泄區，該分流面可視為零流量邊界。 -
Investigation on boundary layer prediction models near head wall in cylinder of diesel engine
柴油機缸內近氣缸蓋壁面邊界層預測模型的研究 -
For the liquid in the multi - head twisted and fluted tube can cross the boundary of the channel and merge into the fluid flow in the next channel, the film distribution of multi - head twisted and fluted tube is overmatch single - head twisted and fluted tube
當螺旋槽管表面為多槽道時，各槽道間發生流體的相互摻混使得液膜分佈特性較單槽道時要好。 -
In this paper, the alumina ceramic was prepared under normal pressure and low temperature, the mechanical properties, micromorphology, microstructure of grain boundary and phase composition of the alumina ceramic, and the precision shaping and cold processing of the femoral head were systematically studied ; the effects of the additives, the relation between microstructure and mechanical strength, the sintering mechanism of the material and the influence factors of the structure and properties of the alumina ceramic were discussed also
本文在常壓低溫條件下制備了氧化鋁陶瓷，系統研究了氧化鋁陶瓷材料的力學性能、微觀形貌、晶界顯微結構、相組成和股骨頭的精密成型、冷加工，並討論了添加劑的作用、材料顯微結構與力學強度的關系、材料的燒結機理及影響氧化鋁材料結構與性能的因素。 -
On some occasions when the calf surfaced, it seemed to misjudge the air water boundary and shoot its head too far out of the water
有時幼豚浮上水面的時候，往往把頭伸得太高，好像錯誤估計海面的高度似的。 -
Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given
首先通過引入勢函數方法對土體位移進行分解，從而將土體動力平衡方程解耦，求解得到了土層的振動模態和阻抗因子，然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用，求解樁的動力平衡方程，得到了樁頂的頻域響應解析解、復剛度和速度導納，利用卷積定理和傅里葉逆變換，求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。 -
The primary contents are as follows : ( 1 ) based on the fundamental seepage physical equation, the basic differential equation of saturated - unsaturated seepage in porous mediums has been deduced, in which the pressure head is the fundamental unknown quantity. a calculated model for analysis of saturated - unsaturated seepage field with the boundary condition of rain infiltration also has been developed
總體說來，本文主要從以下幾個方面開展了研究： （ 1 ）由基本滲流物理方程出發，以壓力水頭為基本未知量推導多孔介質三維飽和?非飽和滲流微分方程，在此基礎上分析了邊坡在有降雨入滲條件下滲流的定解條件和計算模型。 -
In this paper, a new method of phrase alignment is proposed, where translation head - phrase is obtained according to dictionary - based word alignment which is very reliable, and statistical translation boundary is determined based on the translation extending reliability
提出了一種新的短語對齊方法，使用可信度較高的詞典對齊結果來抽取源語言短語的譯文中心語塊，依據譯文擴展可信度來確定源語言短語的譯文統計邊界。 -
These equations were incorporated into a numerical procedure to discretize and solve the boundary value problem for hydraulic head and fluxes within fractured network
編制了離散裂隙網路模型單相穩態滲流程序fracflow 。其次，發展了用離散網路方法確定裂隙巖體等效水力性質的方法。 -
To get there, leave the mtr at wan chai station, a2 exit. head west along hennessy road to its boundary with fenwick street, then turn north from fenwick street and cross the footbridge. altogether it takes approximately 10 minutes walk
遊客可從灣仔地鐵站a2出口離開，沿軒尼詩道西行至與分域街交界處，再從分域街向北行經行人天橋便可到達，全程需時約10分鐘。
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