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In this paper,four aspects of the above problems were studied:Firstly, the problem of solving continuous linear operator equation inseparable Hilbert space is studied .

通过把第一类连续不适定算子方程转换为等价的无穷维方程组,然后利用投影法,给出了解存在唯一的充要条件;给出了连续线性不适定算子方程解析解,解决了不适定情况下解的表示问题,由此给出了算子方程的数值求解公式;进一步证明了,在解不唯一情况下,此表达式给出的解为算子方程的最小范数解,同时表示出了连续线性不适定算子方程的解集。

Firstly, we give the geometric interpretation of the scheme.Secondly, we use the method developed in Dyn's original four-point paper to discuss the sufficient conditions for the limit curve to be C0,C1,C2 respectively.

首先给出了算法的几何意义,然后我们用Dyn在1987年发表的四点法中使用的办法,详细讨论了极限曲线连续,一阶连续,二阶连续的充分条件。

The detonation velocity measured by the continuous velocity probe method is in accord with the detonation velocity measured by the traditional electrometric method, and the continuous velocity probe method can even give the true course of detonation development for industrial explosive.

显然,平均爆速测试结果与连续爆速的测试结果吻合很好,且连续速度探针法能满足准确测量工业炸药在装药结构中爆速连续变化的要求。

In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物,根据织物的纬密变化特点,把织物纬密函数的定义域分成连续区间和离散区间;在此基础上,对于分段连续且可能存在间断点的连续区间,建立了卷取量方程;分析并确定了织物各纬卷取量的解区间,给出了卷取量的求解方法——以解区间足够小为解判据的二分法,并阐明了求解方法在间断点处的有效性;对于由离散点构成的离散区间,给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

Weft distribution pattern and its input of fabric with varied weft density ;2. In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物,根据织物的纬密变化特点,把织物纬密函数的定义域分成连续区间和离散区间;在此基础上,对于分段连续且可能存在间断点的连续区间,建立了卷取量方程;分析并确定了织物各纬卷取量的解区间,给出了卷取量的求解方法——以解区间足够小为解判据的二分法,并阐明了求解方法在间断点处的有效性;对于由离散点构成的离散区间,给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

Combining the fully stressed optimality criterion with finite element analysis, the material distribution is optimized after several iterations.

采用满应力准则法,借助有限元结构分析,经过少量迭代,建立优化的材料连续分布场,即类桁架连续体结构。由于首先建立的拓扑优化结构是各向异性连续体,从而得到更大优化空间。

Triple exponential smoothing method and the combined of triple exponential smoothing method and Markov model both belong to time series method. Triple exponential smoothing method strongerly dependenced to short-term data. The combined method needed data which had more accurate; it must be the data of population quantity of many years continuously.

2三次指数平滑法、三次指数平滑法和马尔可夫链预测模型的组合预测方法都属于时间序列分析法,三次指数平滑法对近期数据的依赖性较强,组合预测法对数据的要求较高,必须是多年连续的种群数量变动数据。

RESULT: 1.Ouabain act on lens sodium-pump,under the LM,lens anterior capsular membrane discontinuous,epithelium cells clustered,occluding zonule seperated,lens fiber layers fractured.Under the EM,cells totally hollowed,mitochondria swelling,myelin figure appeared.RT-PCR examine the expression condition of αsubunit of sodium pump on mRNA level,α1、α2 and α3-isoform are all decreased.2.Digoxin act on lens sodium-pump,under the LM,lens cell oedema,linkage distructed,extensive exfoliation.Under the EM,plasma appeared little half-transparant hollow region,mitochondria swelling and ridge disappeared. RT-PCR examine,α1、α2 and α3-isoform are all decreased.3.Amphotericin B act on lens sodium-pump,under the LM,lens epithelium cells linked tightly,arranged in-line,lens fiber layers arranged tightly and regularily.Under the EM,abbundant cellular organes,exuberant cells function indicated. RT-PCR examine the expression condition of αsubunit of sodium pump on mRNA level,α1 and α3-isoform are increased significantly,demonstrated isoform-specific action.4D-thyroxine act on lens sodium-pump,under the LM,lens plasmalemma integrated,cells arranged tightly and regularily.Under the EM,nucleus fission appeared,desmosome half-desmosome and tensile microfilaments linked the cells. RT-PCR examine,α2 and α3-isoform are increased, also demonstrated isoform-specific action.5.Vitamin E act on lens sodium-pump,under the LM,lens anterior capsular membrane continuous and smooth,epithelium cells tightly linked,lens fiber layers appearede hollow region occasionally.Under the EM,lateral membrane high density belt appeared,abundant nucleolus. RT-PCR examine,onlyα1-isoform are increased, demonstrated significantly isoform-specific action.6.DMSO act on lens sodium-pump,under the LM,lens anterior capsular membrane slightly thicker,cells linkage partly distructed.Under the EM,plasmalemma denaturation,mitochondria swelling.RT-PCR examine,α1、α2 and α3-isoform are all altered slightly and haven't significant meanning.

结果:1、哇巴因作用于晶状体钠泵后,光镜下晶状体前囊膜断裂、上皮细胞聚积、闭合连接分离、纤维板层裂隙,电镜下全层细胞空泡化、线粒体肿胀出现髓样结构,RT-PCR法检测晶状体钠泵α亚单位α1、α2及α3三种重整异构体在mRNA水平的表达均减弱。2、地高辛作用于晶状体钠泵后,光镜下晶状体细胞水肿、细胞连接破坏、广泛剥离,电镜下胞质见少许半透明空化区、线粒体肿胀嵴消失,RT-PCR法检测晶状体钠泵α亚单位α1、α2及α3三种重整异构体在mRNA水平的表达均减弱。3、两性霉素B作用于晶状体钠泵后,光镜下晶状体上皮细胞紧密连接、线状排列、纤维板层紧密规整,电镜下细胞器丰富、细胞功能旺盛,RT-PCR法检测α1及α3表达显著增强、具有一定的重整异构作用特异性。4、D甲状腺素作用于晶状体钠泵后,光镜下晶状体质膜完整、细胞排列紧密规整,电镜下胞核见分裂像、细胞间有桥粒、半桥粒及张力微丝,RT-PCR法检测α2及α3表达均增强、亦有一定的重整异构作用特异性。5、维生素E作用于晶状体钠泵后,光镜下晶状体前囊膜连续光滑、上皮细胞紧密连接、纤维板层偶见空化,电镜下囊侧膜内有高电子密度带、细胞核仁丰富,RT-PCR法检测仅有α1的表达显著增强、具有极强的重整异构作用特异性。6、二甲基亚砜作用于晶状体钠泵后,光镜下晶状体前囊膜轻度增厚、细胞连接部分破坏,电镜下质膜变性、线粒体肿胀,RT-PCR法检测晶状体钠泵α亚单位α1、α2及α3三种重整异构体在mRNA水平的表达无显著改变。

3D-CTM (Coupled Thermo-Mechanical Forming Simulation) software for precision forging process of aero-engine blade was developed. The key technologies of 3D coupled rigid-viscoplastic thermo-mechanical FEM simulation of blade forging process were studied systematically. By using the remeshing method of contracting from the boundary to the inner, new mesh system from old distorted mesh system can be obtained. A method of modifying the position of nodes touching on the die according to its original normal was proposed to avoid "dead lock" problem due to uncontinuity of normal of scatted die meshes. The pseudo-static iterative algorithm was used to simplify the coupled thermo-mechanical computation. In particular, formulations to determine relaxation factor β was established for rigid viscoplastic FEM adopting penalty function method, and an improved cubic factor rapid algorithm derived from these formulations was proposed by combining with the advantage of advance and retreat search method.

采用基于边界构形的内缩法,实现了三维畸变网格的重新划分;提出了初矢修正法对触模节点的位置进行修正,解决了由于离散的模具网格的法矢不连续造成的&死锁&问题;采用准静态迭代法简化了速度场和温度场耦合计算过程;特别是针对减速因子β的选取,建立了适用于三维复杂成形过程刚粘塑性罚函数法有限元三次因子法的计算公式,并结合进退搜索法提出了改进的三次因子快速算法,提高了模拟计算效率和稳定性,在此基础之上,开发了面向叶片精锻过程的三维刚粘塑性热力耦合有限元模拟分析系统(3D-CTM),系统的可靠性得到了圆柱体镦粗的验证。

From the viewpoint of the sedimentation,we have set up the deposition model of A/B system FGM and analyzed the possible interfaces of FGM in theory,and h ave also given corresponding solutions.The article has laid a foundation for FGM with continuous or quasi-continuous compositions by sedimentation.

从颗粒共沉降的立场出发,建立了A/B系FGM沉降模型,并从理论上对用共沉降法制备A/B系FGM时,材料内部可能出现的界面情况进行了分析,提出了解决方案,为用共沉降法制备组成成份连续或准连续分布的FGM提供理论依据。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?