查询词典 decomposition operator

Considering its complex geometric topology, multi states of self-equilibrium stress and modes of inextensional mechanisms, a prestress optimization strategy was proposed to solve the final feasible prestress distribution problem of the structures with multi states of self- equilibrium stress, where the decomposition and assembly method of modal matrix, the theory of structural equilibrium matrix and the singular value decomposition method were utilized.

考虑该结构几何拓扑复杂、多自应力模态与机构位移模态的特点，应用平衡矩阵理论与奇异值分解算法，通过模态矩阵的分解组合方法，给出一种具有一定普遍意义的预应力优化策略，使多自应力模态结构体系的最终可行预应力分布求解得以简便的实现。

The changes of the microstructure (using PAM treated with CH〓COOH) and the thermal decomposition mechanism of PbO〓 electrodes during formation were first studied. The oxidation model for leady paste particles was proposed and the thermal decomposition mechanism was found to be consistent during different stages of formation.

采用CH〓COOH处理活性物质，首次研究了化成过程中PbO〓电极微观结构及热分解机理的变化，建立了铅膏粒子的氧化模型，得出化成不同阶段PbO〓热分解机理的一致性。

Several of the bacteria (B2, Q1), fungi (W9) and action mycetes (H1), which were with the high activity of decomposition of cellulose ,were isolated from the rotten wood from secondary forest areas of the Yunnan-Guizhou Plateau and they were mixed with carboxy methyl cellulose-Na and filter paper etc to research the effect of the type of carbon and culturing time on the activity of the decomposition enzyme of cellulose.

方法］利用分离的几株来源于云贵高原地区次生林朽木中具有较高纤维素分解活性的细菌(B2、Q1)、真菌(W9)与放线菌(H1)分别和混合发酵纤维素羧甲基纤维素钠和滤纸等底物，研究碳源种类、培养时间对纤维素分解酶活的影响。

The overlapping domain decomposition method and nonoverlapping domain decomposition method is introduced for the Laplace problems.

介绍了求解Laplace方程的重叠和不重叠区域分解法，研究了重叠域大小与迭代收敛性的关系，比较了重叠和不重叠区域分解法的迭代次数。

The spare decomposition method of overcomplete image sparse representation is studied. And a multi-atom matching pursuit method based on incoherent decomposition of redundant dictionary is proposed.

1对超完备图像稀疏分解算法进行了研究，提出了一种基于冗余字典非相干分解的多原子匹配追踪图像稀疏分解算法。

The optimum conditions were obtained as follows: the weight ratio of fatty acids and 85%acetic acid is 1:4, ozonolysis temperature is 20-25℃, manganese/copper acetate as catalyst, and the amount of catalyst is 0.15% of fatty acids, oxidation decomposition temperature and oxidation decomposition time are 90-95℃ and 4 hours respectively. the yields of azelaic acid and pelargonic acid are 57.4% and 51.6% respectively.

以菜油酸为原料、85%醋酸水溶液为溶剂，经臭氧化、氧化分解、重结晶等过程制备壬二酸和十三烷二酸的最佳反应条件为：m：m(85%醋酸)=1：4，臭氧化温度20-25℃；氧化分解温度80-85℃，催化剂醋酸锰/醋酸铜用量为原料菜油酸质量的0.12%，氧化分解时间3h，重结晶溶剂壬酸的用量为5倍质量的氧化分解产物时，十三烷二酸的收率为58.3%，壬二酸的收率为57.2%。

With fault signals of vibration tested in practice, this paper takes frequency-domain half-power bandwidth Gauss wavelets of continuity, index wavelets decomposition and equivalent bandwidth equivalent sampling discrete bi-orthogonal wavelets decomposition as basis, presents scaling correlated analysis correspondingly toward wave making vibration signals, and accurately realizes to decompose different stress wave speeds, and provides a method of analysis and calculation for accurated location and recognition of the polygenetic faults.

根据上述故障力学模型，我们提出并设计了相应的测试系统，对实测的故障振动信号，以频域半功率带宽连续高斯小波、指数小波分解和等带宽等采样离散双正交小波分解为基础，提出了相应的对波致振动信号的尺度相关分析，准确地实现了分离不同的应力波速，为多源故障的精确定位识别提供了分析和计算方法。

Flame retardants may interrupt or change the decomposition process in several ways:(1)they may melt at relatively low temperatures and resolidify in the form of a foam, which serves as a barrier to heat transfer from the flame to the substrate;(2) they may be converted upon heating into acids or bases, which catalyze the decomposition of the substrate at lower temperatures than are required for the formation of volatile combustibles;(3 ) they may decompose orsublime upon heating to release large amounts of nonflammable vapors which exclude oxygen from the flame; or (4) they may react with chemicakl species within the flame to stop the combustion reaction.

阻燃剂可以从几个方面干涉或改变织物的分解过程：（1）阻燃剂在相对较低的温度时会熔化，然后重新固化成泡沫状，这样就形成了一个屏障，阻止了从火焰向织物的热传递。（2）阻燃剂受热时会分解成酸或碱，这些酸或碱在低于可生成挥发性可燃物的温度下可以催化织物的分解。（3）阻燃剂在受热时会分解或升华，同时释放出大量不可燃气体，这就阻止了氧气对火焰的供应。（4）阻燃剂可以与火焰中的化学物质起反应，使燃烧反应终止。

The Changjiang estuary Dongtan wetland was taken as the study area,the stems and roots of pioneer plant Scirpus triqueter were collected and buried in the high-tide flat and the beach within a dam to study the variations in mass,carbon and nitrogen contents in the putrefaction and decomposition process of Scirpus triqueter,and the main factors affecting the plant decomposition were analyzed.

以长江口崇明东滩湿地为研究区域，采集了先锋植物藨草的地上茎和地下根部分，分别埋藏于高潮滩和堤内两处不同地点，研究了植物不同部位组织在腐烂分解过程中质量及其碳、氮元素含量的变化，分析了影响植物分解的主要因素。

A-completely regular semiring is introduces, and the closed relationship between the subdirect product decomposition of A-completely regular semiring and the subdirect product decomposition of its additive reduct is given by using the concept of sturdy frame of type (2,2) algebras.

介绍了A-完全正则半环，并利用(2，2)型代数的坚固构架的概念，给出了A-完全正则半环的次直积分解与其加法半群的次直积分解之间的密切联系。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。