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In tailrace tunnels of Baise Hydropower Station, a transient mixed free-surface-pressure flow may occur, which has a complex effect on the stability and transient of the power plant, so it is needed to build a reasonable and feasible mixed free-surface-pressure flow numerical model.

百色水电站运行时,尾水隧洞中有可能出现明满交替流动而使尾水系统对电站运行的稳定性和过渡过程都带来复杂的影响,因此建立合理可行的明满交替流动数值模型是完全必要的。

There are four parts in this thesis, the main works of author are summarized and presented as follows:1. Multivariate curve resolution with alternating least squares and alternating trilinear decomposition are applied in the resolution of overlapping peaks of camptothecin and 7-ethyl-10-hydroxy- camptothecin (SN-38) from HPLC-DAD.

全文共分四章,作者的主要工作有以下三个方面:一、采用HPLC-DAD检测,结合多元曲线分辨-交替最小二乘和交替三线性分解方法对未优化的色谱分离条件下产生的7-乙基-10-羟基喜树碱(SN-38)和喜树碱的严重重叠的色谱峰进行分辨。

The algorithm can identify the absence and presence of TWA accurately and provide idea for further study of TWA-PM.

证明该算法能够精确简便地判断T波电交替,可为T波电交替散点图法的深入研究提供思路。

The absorption characteristics and the structure at (0,0,1) plane of the 1,3,5-triamino-2,4,6-trinitrobenzene crystals of alternative copoly(vinylidene fluoride-chlorotrifluoroethylene) with various degree of polymerization has been studied by molecular dynamics simulations using compass forcefield and NVT ensemble model.

采用COMPASS力场和NVT正则系综的动力学模拟方法,搭建了聚合度分别为10, 50和100的偏氟乙烯/三氟氯乙烯交替共聚物,对交替共聚物在1,3,5-三氨基-2,4,6-三硝基苯的(0,0,1)晶面上的吸附和结构进行了分子动力学模拟。

This article analysised the grade and complexity of wolframite rank alternate devive rupture controled mineral in yaogangxian Tungsten mine.

文章认真分析了瑶岗仙黑钨矿阶状交替派生断裂控矿的等级性和复杂性,阐述了阶状交替成矿模式的力学作用,为脉旁找脉、矿旁找矿和深部及周边外围找矿提供了理论依据。

The result indicated that the AlTiN multilayer coating deposited on high speed steel substrates with alternated nitrogen contents in layers. In each layer, AlTiN exhibited nanocomposites of nanocrystallites embedded into amorphous matrices despite of the nitrogen content. The difference between bilayers was that AlTiN layer with lower nitrogen content had a lower density of nanocrystallites. The AlCN coating deposited on Si (100) substrate appeared a strained layer on substrate in the ilm-substrate interface, which thickness was 3~5 atom layer.

结果表明:在高速钢基体上制备的AlTiN多层薄膜由两种氮含量交替变化的膜层构成,尽管交替的两层中氮含量不同,但每一单层都为纳米晶包含在非晶点阵中的纳米复合结构,不同之处是低氮含量层中纳米晶密度较小;生长在单晶硅基体(100)晶面上的非晶AlCN薄膜,在膜基界面处硅基体上出现应力畸变层,应力畸变层厚度很薄,约3~5个原子层。

The effective factor of phosphorous release from soil in Water-Fluctuation-Zone of the Three Gorges Reservoir.;2. The water-fluctuation-zone of reservoir and big river had special environmental characteristics that were a joint of aquicolous and terrestrial ecological system.

以三峡库区消落区典型江段万州断面为试验基地,以释磷能力较强的紫色土为对象,根据三峡水库消落带的&干湿交替&空间和时间特征,进行万州断面土壤磷释放的实验室模拟试验,分析了周期性&淹水-落干&干湿交替对土壤磷释放的影响。

Using electronic microscopy and cytochemical methods, we studied the distribution changes of the cell ergastic substance and development of secondary vascular tissues. Development of secondary vascular tissue took on an inherent rhythm, showing alternation of dormant and differentiated stages in periodicity of one year, and the formation of secondary phloem and xylem was alternate.

利用电镜技术及细胞化学方法,研究了美洲黑杨次生维管组织的发育以及细胞内含物分布的变化,发现次生维管组织的发育具有内在节律性,在年周期中表现为分化期和休眠期交替出现;次生韧皮部与次生木质部交替分化形成。

In chapter 1, Galerkin alternating-direction procedures and an approximation to the Jacobian of the isoparametric map are applied to discuss a three-level and a four-level Galerkin alternating-direction procedures for two kinds of nonlinear hyperbolic equations which are given on a nonrectangular, curved region.

第一章结合[10]中对矩形域上双曲型问题提出的交替方向有限元方法和[19]中利用等参元,等参变换的Jacobi行列式的逼近来研究的思想,给出了两类非线性双曲型方程在非矩形域上的交替方向有限元方法。

The general linear model via least-squared method was further applied to study the relationship between litter performances described above and the presence of individual allele for parous sows in Landrace, Yorkshire and Duroc breeds.

以一般线性模式和最小平方法分析母猪个别遗传标记交替基因与其产仔性能之结果显示:一些标记交替基因与四个品种母猪的产仔性能有极显著相关并具正效应。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。