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And at any time and for their stampede down loose rocks and the risk of not easy to climb three of the crater from the mountain half way there, three in addition to physical serious consumption, but also found in front of the slope has become a nearly 90-degree vertical cliff.
以及冒着随时因踩踏松动的岩石而滑落的危险,三人很不容易的爬到了离火山口还有一半路程的半山腰,三人除了体能的严重消耗外还发现前面的斜坡已经变成了近乎90度垂直的悬崖。
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The main contributions of this dissertation are In chapter 2, we propose a scientific visualization system modal which is based on large-format display technology and Client-Commware-Server structure. In chapter 3 and chapter 4, we accomplish two large-scale scientific visualization systems. In chapter 5 and chapter 6, we propose HFFT on hexagon and parallel dodecahedron domains, and reduce the computational complexity from O and O to O and O . Lastly, we propose a parallel HFFT on distributed memory computers.
本文的主要贡献如下:提出了使用大屏幕显示技术、适用于大规模科学计算可视化系统的Client-Commware-Server模型;实现了油藏数值模拟和分子模拟两个大规模科学计算的可视化系统;给出了二维三方向六边形区域、三维四方向十二面体区域上的HFFT算法,将变换的计算复杂度分别从直接计算的O和O量级降到了快速算法的O和O量级;最后,本文给出了一种基于分布式存储的并行HFFT算法,并对影响、提高并行算法的若干因素进行了分析。
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Then, on the basis of above achieved constituent binary results, thermodynamic properties of 10 ternary liquid alioys (Cd-Bi-Pb, Cd-Pb-Sb, Cd-Pb-Sn, Mg-In-Cd, Zn-In- Cd, Cd-Bi-Sn, In-Bi-Pb, Sn-AgPb,Zn-In.Pb, Al-Cu-Zn), 3 quaternary ones (Cd-Bi-Pb-Sn, Zn-Sn-Cd-Bi, Zn-Sn-Cd-Pb) and 1 quinary. one (Zn-Sn-Pb-Cd-Bi) are predicted. For most of investigated multicomponent systems, the calculated activities are in good with the experimental ones, and in particular for multicompoment immiscible ones, the predicted results are satisfactory and exciting. At the same time, the comparison result between the three equations shows that Wilson equation and T-K-Wilson one are more stable than NRTL one, that maybe is because NRTL equation contains a third parameter, and so ,to some degree, Wilson model and T-K-Wilson model are superior to NRTL model. And also the comparison between local composition models and other models such as Pelton- Flengas?method, Krupkowski formalism, mass action concentration model and Hoch- Arpshofen model shows that local composition models are more convenient and credible.
在此基础之上应用局部组成型模型对10个三元液态合金(包括Cd-Bi-Pb、Cd-Pb-Sb、Cd-Pb-Sn、Mg-In-Cd、Zn-In-Cd、Cd-Bi-Sn、In-Bi-Pb、Sn-Ag-Pb、Zn-In-Pb、Al-Cu-Zn),3个四元液态合金(包括Cd-Bi-Pb-Sn、Zn-Sn-Cd-Bi、Zn-Sn-Cd-Pb)和1个五元液态合金(Zn-Sn-Pb-Cd-Bi)的活度进行了预测,预测效果良好,尤其对Zn-In-Pb系和Zn-Sn-Cd-Pb等多元液-液共存体系热力学性质的预测也取得了令人满意的结果;同时对三个方程的比较分析表明:Wilson方程和T-K-Wilson方程在多元系热力学性质的预测中表现稳定,而NRTL方程由于引入了物理意义不清楚的第三参数,使得其具有不确定性和不稳定性的特点,因此Wilson方程和T-K-Wilson方程较NRTL方程更为优越;此外对局部组成型模型与其它模型(如Pelton-Flengas方程、Krupkowski方程、作用浓度模型和Hoch-Arpshofen模型)的比较表明:局部组成型模型同样是优秀的,甚至在某些方面更为简便和可靠。
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In this paper, the 3D finite element method (3D-FEM) is employed to calculate the responses of the dual-laterolog in the high angle deviated wells. Moreover, under the consideration of the impracticability of the strict 3D inversion of the electrical logging, one method named the fast deconvolution, is given to correct the electrical logs which is calibrated by the forward method, 3D-FEM.
在考虑常规双侧向测井和正演数值模拟计算的基础上,利用三维有限元素法(3D-FEM)进行大斜度井中双侧向测井响应的数值模拟求解,并以不同倾角为条件验证了方法的有效性;进一步针对目前严格的电测井三维反演处理的不现实性,应用严格正演刻度下的快速反褶积处理方法进行定向井的电测井曲线校正。
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First, we extract the boundaries between two different materials by weighting with gray-level gradient,and only voxels on these boundaries participate in the generation of each image, so it drastically reduces the rendering time. Second. We think the voxels on boundaries as the mixture of different materials,so in every voxel there is a surface. We use the oriented cube-interpolation technique to get the intersection point of viewing orientation and the surface in the voxel, then compute the surface normal of the intersection point. We use the normal to shade the voxel in order to improve the image quality.
首先,采用灰度梯度加权提取出三维数据场中不同物质间的边界,根据显示的需要只对这些边界上的体元赋予相应的阻光度并进行光亮度合成计算,因而可大大减少计算量,提高显示的速度;将边界上的体元作为不同物质的混合体,采用与方向有关的三线性插值来计算视线方向与体素内等值面的交点,根据交点的法向量进行光照效应计算以提高显示图像的质量;最后用投影成像法显示最终的图像。
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According to the operator procedure, jig's two sections are divided into three subsystems to control. The three subsystems are Feeder-Rejects Discharge-Downscreen Water Subsystem, Wind Control Subsystem which is based on the layer looseness degree and Middlings Discharge Control Subsystem which is based on the fine coal ash content.
论文依据实际生产过程人工操作方式,将一般跳汰机的二段分为三个子系统来进行控制,三个子系统是矸石段的给料、排矸石、筛下顶水子系统,以床层松散度为目标的总风量控制系统,中煤段的以精煤灰分为目标的排中煤控制系统。
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In chapter four, molecular imprinting polymers against amino acid derivatives utilizing 2-VP+AM as combined functional monomer and trimethylolpropane trimethacrylate as tribasic cross-linker were prepared and result was compared with those with the same amino acid derivative as the imprinted molecules utilizing ethyleneglycol dimethacrylate as dibasic cross-linker. It was found that cross-link intensity of the molecular imprinting polymer is higher when TRIM was utilized and baseline separation for the imprinted molecule could be achieved. When TRIM was utilized as cross-linker more molecule is imprinted during the polymerization.
第四章采用2-乙烯基吡啶+丙烯酰胺复合功能单体,考察了三元交联剂三甲氧基丙烷三甲基丙烯酸酯烙印氨基酸衍生物的情况,并与二元交联剂乙二醇二甲基丙烯酸酯烙印相同氨基酸衍生物的情况进行了对比,发现三甲氧基丙烷三甲基丙烯酸酯交联剂在较小的用量下就可使分子烙印聚合物达到足够的交联度,实现烙印分子的基线分离。
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As compared with the traditional irrigation-traditional fertilization, the following results of the improved optimized irrigation-optimized fertilization were obtained: significantly higher nitrogen use efficiency; the like tiller number per unit area, percentage of the tiller ear number/the tiller number, the ear number per unit area, the greatly reduced grain number per ear, and significantly heavier weight of 1, 000 grains; a trifle taller plants; shorter base internode length, a bit more weight per unit internode length, longer internode length under ear; almost the same LAI values in middle and later stages; coincident process of dry matter accumulation from straight growth onwards, a little more dry matter accumulation amount from earing to maturity; a little longer flag leaf, 2〓 leaf, 3〓 leaf (but the three leaves were shorter than those of the optimized irrigation-traditional fertilization) and shorter 4〓 leaf from top, a bit reduced total area of these leaves; almost the same leaf thickness, mean canopy leaf tilt angle, light extinction coefficient , ratio of light penetration in the upper, middle and lower parts of the wheat canopy, and fair plant type; almost the same senescence process of flag leaf; and increased root amount in 0-120cm soil layer and smaller rate of progressive decrease of the root length density and root weight density with soil getting deep, which can strengthen the resistance to adverse conditions such as water stress in the later stage.
在优化水肥条件下,冬小麦总分蘖数、成穗率及单位面积穗数与传统水肥比较接近,但穗粒数显著减少,千粒重显著提高;株高稍有增加;基部节间长度缩短,充实度略微增高,穗下节间增长;中后期LAI与传统水肥的LAI值基本吻合;起身至成熟干物质积累量动态变化过程与传统水肥十分接近,但抽穗至成熟所形成的干物质量增加;上三叶变长(但上三叶长度增加幅度小于优化灌溉-传统施肥处理),倒4叶变短,总叶面积略有减少;叶片厚度、冠层平均叶倾角、消光系数、冠层各层的透光率与传统水肥差异很小,株型较好;旗叶叶绿素含量动态变化与传统水肥十分接近;0-120cm土层的总根量明显增加,上层根群和深层根群的差异最小,有利于提高小麦后期的抗逆力。
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Because the techniques of the biochemical waste treatment are very important, the techniques of the cultivation of the microorganism have received more attention in recent years. A study is conducted to analyze the steady states and dynamic bechavior of the reactions of the cell-substrate and the prey-predator interaction in two chemostats in series. For the reaction of cell-substrate in two chemostats in series, if the specific growth rate of the Monod model is used for the cell , there are three types of steady states for this reaction system. These three types of steady states and stability are analyzed in detail. The dynamic behavior of this reaction system is analyzed by the numerical method and computer graphs. The results show that the dynamic behavior of this system consists of stable steady states.
由於生物废弃物的处理技术相当重要,故最近几年来微生物的混合培养技术深受大家的重视,本研究实施菌类-基质(Cell-Substrate)和被捕食者-捕食者(Prey-Predator)相互作用之生化反应在两个生化反应槽串联之稳定状态和动态分析,对於菌类-基质之生化反应,若以Monod模式来表示菌类之比生长速率,则此两个生化反应槽串联之反应系统共有三种型态之稳定状态,本研究对此三种型态之稳定状态和稳定度作深入的分析,对於此反应系统之动态行为,则由电脑运用数值分析的方法及电脑绘图进行分析工作,动态分析的结果显示此生化反应系统之动态行为,以稳定之稳态为主。
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The research was composed of three parts: In the first part, the CASSS scale was revised and its reliability and validity were tested. In the second part, quantitive methods was employed to explore the relation between social support and PTG. In the third part of the research, the relation between social support and PTG was further examined in the interview.
研究分为三个部分:第一部分翻译并修订了青少年社会支持量表,对其进行了验证性因素分析和信效度检验;第二部分用量化研究的方法初步考察了地震后的青少年的社会支持和创伤后成长之间的关系;第三部分采用质性研究的方法,进一步考察了社会支持和创伤后成长之间的关系。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。