Analysis on the Variation Character of the Boundary Jet Structure and Its Function in the Course of Super Heavy Rainfall occurred in Jiangsu and Anhui Province 一次苏皖特大暴雨过程中边界层急流结构演变特征和作用分析
The model can present the character of urban boundary layer under the influence of high cloud and aerosol radiative effect. 模式能很好地模拟出在高云和气溶胶辐射效应下城市边界层的特征。
In this paper, the dynamic character of pipes conveying fluid with elastic supported boundary condition in engineering is investigated. 为研究工程实际中的管道动力特性,考虑了一端固定、一端弹性支承的管道在脉动内流下的稳定性问题。
The evolution character of a isolated wave-packet produced by a point source in threedimensional boundary layer on a swept flat plate is investigated. 研究了点源产生的孤立波包在后掠平板三维边界层中的演化特征。
In the second character, we characterise the analyticity of abstract dynamic boundary value problem with unbounded boundary operator and abstract dynamic boundary value problem with bounded boundary operator using the decomposition of operator matrices. 第二章利用算子矩阵的分解分别给出了边界算子无界和有界两种情形下抽象动态边值问题解析性的判别方法。
Character of the boundary layer and cause of acid rain in the Tsingdao area 青岛地区边界层特征及酸雨成因
The outcomes which nature operates on technology embody in three aspects: the natural state of nature regulates the anti-natural character of technology, the laws of nature set the boundary of technological activities, and the arrow of time decides the concomitant adventures of technology. 自然对技术的作用后果主要表现在三个方面:自然之然规定技术反然性质,自然之律设定技术活动边界,时间之矢决定技术荷载风险。
According to the character of the object, the continuity equation and the Navier Stokes equation in boundary layer coordinates were adopted and the similarity solution was derived. 给出了边界层坐标系的二维边界层方程,求得了其相似性解;
According to the character of boundary layer separation of the supercritical aerofoil, the flow mechanism of micro vortex generator and the flow separation control effectiveness of the different trapezoid vortex generator height and chordwise position on the supercritical airfoil has been studied. 根据超临界翼型边界层分离特性,提出了涡流发生器的流动机理。研究了梯形涡流发生器不同高度和弦向位置对边界层分离控制效果的影响。
The features for identifying paleosols mainly include color, granularity, biogenetic structure ( the trace of plant growth), degradation character of original depositional structure, arrangement, boundary character, macro-structure character, mineral and geochemical characters. 在地层序列中古土壤的识别标志主要包括颜色、粒度、生物成因构造(植物生长痕迹)、原生沉积构造退化特征、层次化和边界特征、宏观结构特征、矿物及地球化学特征等。
For nonstationary Stokes problem, materials'anisotropic character should be considered in a boundary layer or near the angular of the domain fJ. 对发展型Stokes方程,由于边界层或区域的拐角处需考虑物质的各向异性特征。
There is fuzzy character in defining boundary, region and texture of image; 定义边界、区域和纹理等图像特征时存在模糊性;
The effects played by temperature rise, applied voltage, stacking sequence, the character of in-plane boundary conditions, as well as initial geometric imperfections are studied. 讨论了温度变化、控制电压、铺层方式、面内边界条件和初始几何缺陷等各种参数变化的影响。
In the first part of the whole paper, the fault induced transients are analyzed making conclusions that the different character of transients between internal and external fault are controlled by reflection and refraction coefficient at line boundary. 在第一部分中,对故障产生的暂态进行了分析,发现区内外故障暂态分量的频谱差异主要与线路边界的折、反射系数的频谱有关。
Based on the vertical projection of the retained ones, the character width and the gap between two characters were estimated for the text verification, and the boundary of text blocks was adjusted. 计算文字连通域像素点的垂直投影,估计文字的宽度和文字间隔,判断是否为文字排列,对粗分割的文字区域进行校验,确定文字区域的边框。
According to the character of microflow, using the slip boundary condition to simulate the dry gas seal, pressure distribution was obtained, which is more precise than that simulated with laminar model and non-slip boundary. 根据微小尺度流动的特性,引入滑移边界条件,对干气密封进行了数值模拟,得到了比非滑移边界条件和假设流体为层流时更为精确的压力场分布。
In particular, different applyings of conformal mapping methods are investigated in detail according to the character of polygon boundary I conformal transformations and its formulas to avoid numerical irregularity are also presented. 特别是重点研究了针对不同特点多边形边界而采用的保角变换处理方法,给出了能避免数值奇异性产生的保角变换过程和计算公式。
Due to unideal real-time character of iris boundary localization, a fast iris boundary localization algorithm supervised by pupil center was proposed, and iris boundary localization was speeded up by selecting the small block images and reducing the edge point number. 针对虹膜边界定位实时性差的问题,提出了基于瞳孔中心指导的虹膜边界快速定位算法,通过选择小图像块和减少图像边界点数提高边界定位的快速性。
This reduce continuity property determines the nonconforming character of the Wilson element in solving second-order elliptic boundary value problems. 这种降低连续性的性质决定了Wilson元解决二阶椭圆边值问题的非协调性。
The heat transmiting character of the Low Heat Rejection Engine is analysed and the heat transmiting boundary conditions of the firebox are computed by experience formular. 分析了低散热发动机的传热特点,运用经验公式确定了传热边界条件;
This stress field is mostly controlled by the geometry character of plate boundary and the force acting on plate boundary. 指出一级构造应力区主要受板块边界的几何特征和作用在边界上的力所控制,应力作用在大范围和长时间内保持均匀和稳定;
Combined the solution of conservation equation group with complex difference scheme and employed character line to solve boundary conditions, the numerical scheme for two-phase transient flow non-linear partial differential equations is presented. 结合守恒律方程组的解法与复合离散求解方法,并采用特征线法处理边界条件,建立了气液两相不稳定流非线性偏微分方程组的数值算法;
The dust void usually is a centimeter-size region completely free of dust, one important character is its sharp boundary with surrounding plasma. 尘埃等离子体空洞是尘埃等离子体中具有厘米尺寸的无尘埃区域,和周围等离子体有陡峭的边界。
After penetration of water droplets gravity, to deal with vertical character overlaps, use connected domain method to simulate water droplets flowing boundary in order to separate and integrate segmentation results. 水滴重力渗透之后,针对纵向上的字符重叠情况,采用连通域方法模拟水滴边界流淌,对切分结果进行拆分和整合。
The paper analyzes relative theory of logistic cost, including the concept and character of logistic cost, points out the boundary of logistic cost account and compares the advantage and disadvantage of traditional method and ABC method. 讨论了物流成本的相关理论,包括物流成本的概念、特征,界定了物流成本核算的范围。比较分析了传统物流成本核算方法和作业成本法的优缺点。
For considering the character of solutions, we concern with a class of p-Laplacian two-point boundary value problem on time scales T. By using symmetry technique and a five functionals fixed-point theorem, we prove that the boundary value problem has at least three positive symmetric solutions. 为了进一步考虑解的特性,我们借助于对称技巧和五泛函不动点定理,给出了测度链T上一类p-Laplacian两点边值问题至少有三个正对称解的存在性条件。
How to cut the character string into word string, which means the automatic identification of word boundary, is a key problem that Chinese information processing need to solve in urgent. 如何把汉字串正确地切分成词串,即对词边界的自动识别,是中文信息处理中迫切需要解决的问题。
The scholars lead it into the analysis about the existence of firm and the problem of firm character, and the boundary theories become the foundation of modern enterprise theories. 学者们将其引入分析企业的存在、解释企业性质问题,使得边界理论成为现代企业理论的基础。
High precision and good innate safe character are needed in the measurement of oil tank multi-parameters such as liquid level and oil-water boundary. 油罐液位温度参数的测量,要求较高精度和良好的本质安全性能。
The mainly faults 'character, origin and evolution has been analyzed in detail, especially the boundary fault in northwest margin of Yitong basin is quite different from that in southeast margin. 进而对盆地的主要断裂特征及成因、演化等进行了系统分析,论述了西北缘边界断裂与东南缘边界断裂的差异性。