查询词典 dimensional

Quadratic finite volume element method s for the air pollution model in one-dimensional;2. The two-grid algorithm of the finite volume element method for second-order indefinite elliptic problems;3. A fally discrete finite volume element method is given for one-dimensional two-phase incompressible flow in porous media.

在初始网格剖分上采取分段线性函数空间作为有限体积元方法的试探函数空间，在相应的对偶网格上采取分段常数函数空间作为其检验函数空间，对一维不可压缩两相渗流驱动问题提出了全离散有限体积元方法，并得到L2-模误差估计。

The results of numerical analysis show that the elastic modular and the poisson ratio have no effect on two-dimensional bearing capacity, but can affect the ultimate bearing capacity of three-dimensional foundations and control the convergence and precision of finite element calculation; the earth pressure coefficient controls the geostatic stress of foundation, sequentially affects the ultimate bearing capacity of foundations and the convergence of numerical calculation. When calculating the ultimate bearing capacity of undrained saturated foundation, the complete formulation exists shear locking, and reduce formulation exists hourglassing, so the hybrid formulation is suitable to imitate the geomaterial. When the soil obeys nonrelevent flow rule, the yielding function is different from potential function, and the elastic-plastic matrix of soil is asymmetric, so the unsymmetry numerical solver and appropriate finite element mesh is required.

研究结果表明，土体弹性模量和泊松比对二维基础极限承载力没有影响，但是影响着三维矩形基础的极限承载力，控制着ABAQUS数值算法的计算精度与收敛速度；地基土压力系数控制着地基土体中的地应力平衡，从而影响着二维条形基础和三维矩形基础的极限承载力和地基破坏包络面；对于不排水饱和软黏土地基，常规的完全积分单元会造成剪力自锁现象，而减缩积分单元则存在过于柔化的现象，故采用杂交单元来模拟较合适；当土体服从非关联流动法则时，屈服函数与塑性势函数之间存在差异，从而导致土体弹塑性矩阵呈现非对称性，在有限元计算中必须采用非对称数值解法，并且合理地划分单元才能对极限承载力进行准确求解。

Drug sensitive test and three-dimensional test220 strains of Pa were isolated from hospitalized patients between 2003 and 2007. K-B method was used to tested the susceptibility of 10 different antibiotics. IRPa was screened by testing the minimal inhibitory concentration of imipemem by using agar diluiion method.The susceptibility of these IRPa to the antibiotics was analysised. Three-dimensional test was used to identify the different kinds of beta lactamases from 220 strains of Pa.2.Carbarpenems hydrolytic enzyme genes and oprD2 gene were detectedamong the selected IRPa strains, PCR method was performed to detect carbapenemase genes which included GES、KPC、SPM、VIM、IMP、GIM gene and the oprD2 gene;Multiplex PCR were used to detect OXA genes and plasmid-mediated AmpC beta lactamase genes; The expression of the chromosomal AmpC beta lactamases and oprD2 genes in IRPa strains were analyzed by Real-time PCR.3.Identification and characterization of integronsIntegrase gene was detected by PCR, and the classification of integrons was performed by using restriction fragment length polymorphism.PCR was performed to detect the qacE△1-sull gene,and the gene cassetes which are located at variable region of integrons in the strains were detected to be positive.

方法1、药敏实验和三维实验收集2003～2007年临床分离的220株Pa，对这些菌株采用K-B法测定10种临床常用抗生素的药敏情况，同时采用琼脂稀释法检测亚胺培南的最低抑菌浓度(Minimal inhibitory concentration，MIC)，筛选出对亚胺培南耐药的铜绿假单胞菌，并分析其对其它抗生素的药物敏感率；采用三维实验的方法分析220株Pa产β内酰胺酶的类型。2、碳青霉烯类水解酶和oprD2蛋白的检测针对鉴定的IRPa菌株，采用普通PCR方法检测具有碳青霉烯水解作用的β内酰胺酶耐药基因(GES、KPC、SPM、VIM、IMP、GIM基因)和oprD2基因，采用多重PCR的方法检测OXA型基因和质粒携带的AmpC酶基因，用荧光定量RT-PCR方法检测oprD2蛋白基因表达情况；同时对产AmpC酶的Pa(25株，含IMP耐药和敏感株)用RT-PCR方法检测AmpC酶基因的表达量情况。3。

Three dimensional (3D) honeycomb-like porous structures made up of nanoslices of hydroxy cupric phosphate heptahydrate Cu8(PO3OH2(PO4)4·7H2O single crystals were constructed by a facile assistant surface oxidation technology. The pore size of the 3D structure ranges from hundreds of nanometers to two micrometers, and the thickness of the two dimensional (2D) nanoslices is about 50~100 nm. The wettability of the porous surfaces was transformed from superhydrophilic to superhydrophobic by chemical modification with octadecanethiol or PDES.

相对于硬脂酸修饰表面，氟硅烷修饰表面对水滴具有更低的接触角滞后和较低的黏着，这可能是因为氟硅烷比硬脂酸具有更低的表面自由能所致。2、利用酸辅助的表面氧化技术制备了由Cu8(PO3OH)2(PO4)4·7H2O单晶组成的三维蜂巢状多孔结构，孔尺寸约为几百纳米到2微米，二维的纳米片厚度为50~100 nm。

This model uses nonlinear mapping to map samples into high dimensional feature space, and compares the distribution of each type of samples in the high dimensional space. So that a binary decision tree is constructed through clustering, which can make the more separable classes classified at the upper node of the binary decision tree. The model overcomes the accumulation of misclassification and avoids the condition of impartibility efficiently. At the same time, each node of decision tree uses binary least squares wavelet support vector machine to obtain higher generalization ability.

该模型利用非线性映射将样本投影到高维特征空间，比较每类样本在高维空间的分布情况，进行聚类构造出一个二叉决策树，使容易区分的类别从根节点逐层分类出来，有效克服了错分积累和避免不可分情况；同时，各个节点采用二值最小二乘小波支持向量机，以获得较高的泛化能力。

Through the three-dimensional viscous calculation, many important phenomena, which is impossible of observation by using the two-dimensional or inviscid models, are obtained.

三维粘流计算结果获得了许多二维和无粘模型所无法得到的重要流动现象。

Methods A wet hip joint's sample from corpse was scaned by CT and all images of every cross-section hip joint's layer was obtained, and an hip joint's model was contructed with Unigraphics NX 2.0 and Solid Works 2006 SP 0.0 software. The models were assembled when simulated total hip arthroplasty after total hip joint prosthetic and ischiofemoral ligament model had been constructured. Analysis was done on von Mises stress distribution and amount of total hip component when simulated seated leg-crossing manuver. The bone and metal components were meshed as rigid bodies, composed of three-dimensional, all-quadrilateral rigid body elements, and hip joint capsule ligament was fully three-dimensional, hexahedral continuum elements representations. Results The current form of this ischiofemoral ligament's reconstruction finite element model provided for multi-body contact, large displacement interfacial sliding, large deformation capsule ligament representation, and clearly reflected the real ischiofemoral ligansent's anatomy and biomechanical behavior. The maximum on Mises stresses at the joint interface was more than that fur an otherwise identical hardware-only construct.

选择成人尸体髋关节行CT成像得到髋关节每层横截面图像，提取边界坐标，利用有限元分析软件Unigraphics NX 2.0和Solid-Works 2006 SP0.0构建出髋关节三维有限元模型及人工髋关节假体，并模拟全髋置换术进行装配，将坐股韧带按其术中重建位置进行构建骨骼与金属模型采用三维十节点四面体实体单元进行网格划分，关节囊六面体连接单元划分，模拟坐位腿交叉动作载荷获取假体撞击过程的角活动度和相应的von Mises应力分布情况结果所构建的多体连接、大界面划移、大变形的坐股韧带重建有限元模型，客观反映坐股韧带真实解剖形态及生物力学行为，增加坐股韧带重建的模型其关节面的最大主应力值大于仅有金属的模型。

The experimental results demonstrate that a 2D packing of isodiametric particles leads to distortional flow due to' microcrystallities', while the quasi-two dimensional arrangement (Q2D) with a thickness of several particle diameters and the three dimensional arrangement (3D) effectively avoid the distortion.

结果表明：二维精确等径球颗粒床具有微晶格效应，因此流动是畸变的；半圆柱仓的三维流动不出现畸变；而第3方向取几个球厚度的拟二维流动也避免了微晶格效应和畸变。

Furthermore, the one-dimensional complexes 26 and 28 with strongπ-πpacking interactions are prepared from DMF solvent, which indicates that the traditional solvent volatilizing method could bring low-dimensional complex.4. By measuring the enthalpy changes of the liquid phase formation reaction for complexes a~e, and calculating the electronic densities of five 5-substituted derivation of isophthalic acid, we can make a conclusion that 5-substituted group changing of the ligand has a little influence on oxygen atoms of carboxyl groups.5. Fluorescence experiments of these complexes indicated that they could be used for luminescence materials in future.6. Using packing saturation rule we calculated and analyzed these series of complexes, and the results showed that the changes of complexes with changes of ligands could be explained from the rule.

在DMF溶剂中得到了具有强π-π堆积作用力的一维配位聚合物[Ln(5-NO_2-bdc)(NO_3)]Ln=Pr(26和Ho(28)，表明传统的溶剂挥发合成条件可以得到低维的配合物。4、通过配合物a～e的液相生成反应焓的测定，以及配体阳离子的电子密度计算，进一步佐证了间苯二甲酸的5位取代基变化对配体的羧基氧原子配位能力影响不大的结论。5、荧光特性表明此类配合物可以用于发光材料。6、利用堆积饱和规律对所得系列的配合物的进行计算和分析，发现随着配体的变化，配合物的变化可以从堆积饱和规律出发进行解释。

While the Chicago-Argonne experiments focused on two-dimensional sheets, they generally agree with computer simulations on similar three-dimensional assemblies of smaller nanoparticles conducted by Uzi Landman's team at Georgia Institute of Technology.

虽然芝加哥大学和阿贡实验室所做的实验主要针对二维薄片，但他们大体上认同乔治亚理工学院的乌兹·兰德曼研究小组对体积更小的纳米粒子所做的计算机模拟三维组装实验。

He got into race cars, while my father liked go-karts more, so I didn't really pay attention to what Diego was doing, as I was just racing karts.

叔叔开的是跑车，而我父亲更喜欢越野卡丁车，所以我并不太关注Diego在做什么，我仅仅在跑我的卡丁车而已。

She is at present gone to look for the best nectar and ambrosia to regale me this evening.

她今晚为款待我，现在又去准备美酒佳肴去了。