查询词典 structure sheaf

A new gene structure is proposed: head+body+tail, which allows the program with necessary complexity and putting some learning mechanism into the search process.② A new homeotic gene structure is proposed, it not only can call for subroutines easily, but also can automatically perform programming.③ The concept of different homeotic gene, a multi-cellular structure is proposed. It can be used to describe the complex multi-level programs and to implement the complex subroutine calls.④ An estimation of distribution operator for guiding search is proposed. It fuses statistic learning mechanism into the search process to accelerate the convergent process and improve the quality of solutions.

提出了一种新的基因结构：头＋身＋尾，使计算机自动设计的程序具有必要的复杂性，又便于引入学习机制；②提出了一种新的同源基因结构，它不仅可实现子程序的调用，还具有很强的编程能力；③提出了异族同源基因的概念：一种多细胞结构，它能描述复杂的多层次程序结构，实现可重用程序的复杂调用；④提出了分布估计变异方法，将统计学习机制融入算法，既提高了算法的收敛速度，又提高了解的质量。

Taking the structure of the gymnasium of Yellow River Hydrotechnical Vocational Institute as an example,this paper analyzes large-span arch-supported membrane structure using nonlinear finite element method and approaches to the characteristics of stressing and deformation of this kind of structure.

本文以黄河水利职业技术学院风雨球场拱支索膜屋盖为工程案例，采用非线性有限元法，对大跨空间拱支索膜结构体系进行了结构分析，探讨了拱-膜组合结构的受力和变形规律，检验了初步阶段膜找形结果的可靠性，为同类结构的工程设计提供经验积累。

It analyses the essential factors, structure, environment as well as functions of high-tech corporation system and compares the similarities and differences between high-tech corporation system and traditional corporation system; it analyses characteristics in each stage of high-tech corporation lifecycle as well as management roots which lead to the declination of high-tech corporation and researches into the similarities and differences between high-tech corporation lifecycle and other lifecycles, including traditional corporation lifecycle, industry lifecycle, product lifecycle and ecology lifecycle; it studies functional coupling in each stage of high-tech corporation lifecycle and puts forward ways to realize internal coupling of high-tech corporation system and external environment coupling; based on fundamental concepts of dissipative structure, it summarizes six inherent laws of system evolution and on the basis of those laws it advances six principles of high-tech corporation lifecycle management, it poses four sequential parameters of high-tech corporation system, analyses coordination and competition between them and then it advanced four principles of high-tech corporation management; it researches into various cycles in high-tech corporation and puts forward five measures of high-tech corporation management from the point of hypercycle theory; it studies the relations between carious innovation of high-tech corporation innovation system and sets up models of innovation motive forces and resistances, after that it analyses the alternation laws of innovation motive forces and resistances in each stage of high-tech corporation lifecycle, puts forward some measures to strengthen motive forces and lessen resistances and then from the angle of dissipative structure theory, it researches into relevant questions of high-tech corporation innovation management; it studies the location, identification, cultivation, cultivation and protection of high-tech corporation core competence and researches into the key elements of core competence management in each stage of lifecycle and then from the angle of synergetic, it discusses several questions of high-tech corporation core competence management; it studies seven common characteristics of successful high-tech corporation culture and puts forward the ways and measures to cultivate and innovate high-tech corporation culture after that it researches into the characteristics of corporation culture in each stage of lifecycle and discusses relevant questions of high-tech corporation culture management from the point of hypercycle theory; it studies interplay of high-tech corporation system and environment and researches into the development and management of high-tech corporation ecology system after that it analyses the construction and disintegration of high-tech corporation strategic alliance.

剖析了高新技术企业系统的要素、结构、环境与功能，比较了高新技术企业系统与一般企业系统的异同；剖析了高新技术企业在生命周期各阶段的特点及衰退的管理根源，探讨了高新技术企业生命周期与一般企业生命周期、产业生命周期，产品生命周期和生物生命周期的异同；研究了高新技术企业生命周期各阶段的功能耦合，提出了实现高新技术企业系统内部耦合及系统与外部环境耦合的途径；以耗散结构理论的基本概念为基础，总结归纳出系统演化的六大内在规律，据此提出了高新技术企业生命周期管理的六个原则；提出了高新技术企业系统的四个序参量，剖析了生命周期各阶段序参量的协同与竞争，进而提出了高新技术企业管理的四大原则；研究了高新技术企业中的各种循环，从超循环理论的角度提出了高新技术企业管理的五大措施；研究了高新技术企业创新系统中各种创新的关系，建立了创新动力和创新阻力模型，剖析了生命周期各阶段创新动力与阻力的变化规律，提出了增强创新动力与减小创新阻力的措施，从耗散结构理论的角度研究了高新技术企业创新管理的相关问题；研究了高新技术企业核心竞争力的定位、识别、培养及保护，剖析了生命周期各阶段核心竞争力管理的要点，从协同理论的角度研究了高新技术企业的核心竞争力管理的几个问题；剖析了成功的高新技术企业文化的七个共同特点，提出了培养和创新高新技术企业文化的途径及措施，研究了生命周期各阶段企业文化的特征，从超循环理论的角度探讨了高新技术企业文化管理的相关问题；研究了高新技术企业系统与环境的交互作用，探讨了高新技术企业生态系统的开拓与管理，剖析了高新技术企业战略联盟的组建与解体。

DGGE was used to study 16S rRNA (V3 region) of soil microbial community, the result shows that the structure of soil microbial community changed a lot, when the degeneration of grassland is progressing, especially the structure of soil microbial community in surface lamina; The structure of soil microbial community in podzolic horizon of hypo-surface lamina of the grassland degenerated heavily, is similar to soil microbial community in illuvial horizon of the typical grassland and the grassland degenerated lightly.

重度退化草原亚表层的灰化层细菌群落结构类似于典型草原和轻度退化草原的淀积层的细菌群落结构。

According to the distribution rule of interbedded drift angle in buildings and variational rule accompanying change of stiffness characteristic value, the paper puts forward the advice about how to differentiate normal structure story in structure design drawings and the influence factor which should be considered. The author also advances his opinion and suggestion about how to judge the rationality of stiffness arrangement of frame-column and shear wall in frame-shear structure.

就层间位移角在楼层中的分布情况和分布规律以及随刚度特征值变化的规律，提出了在结构施工图设计中如何划分结构标准层的建议和应考虑的影响因素：并就判断框—剪结构中框架柱与剪力墙刚度分配是否合理的具体方法提出了自己看法和建议。

Hybrid mesoporous molecular sieve materials with hexagonal mesoporous structure and covalent bonded polyoxometalates were synthesized based on tetraethoxysilane anti lacunary polyoxometalate, SiW11, via sol-gel method in the presence of triblock copolymers P123 as the structure-directing agent. The influences of molar ratio of inorganic precursors and aging temperature on the structure and the loadings of SiW11 in the hybrid materials were investigated. Some reaction details in the synthesis were revealed.

用嵌段共聚物P123为模板剂，正硅酸乙酯和缺位结构的多金属氧酸盐SiW11为无机前驱体，由溶胶－凝胶法合成了具有六方结构和SiW11共价键联的介孔分子筛杂化材料SiW11/SBA-15，着重考察了无机前驱的配比和老化温度对杂化材料结构及SiW11负载量的影响。

Based on the results of the large-size shaking table test of a subway station structure built in liquable site,considering the influence of the soil-structure nonlinear dynamic interaction by 2D finite element methods,the seismic responses of the soil- subway station structure system under different test conditions are analyzed by using ABAQUS software.

根据可液化土层上土-地铁车站结构动力相互作用大型振动台模型试验结果，以软件ABAQUS为平台，将地基土-地铁车站结构体系视为平面应变问题，采用记忆型嵌套面黏塑性动力本构模型模拟土体的动力特性，采用混凝土动塑性损伤模型模拟车站结构混凝土的动力特性，建立了土-地铁车站结构非线性动力相互作用的有限元分析模型，对各种试验工况下地基土-地铁车站结构体系的地震反应进行了数值模拟，并与试验结果进行了对比，结果表明：数值模拟与振动台模型试验结果基本一致，体现出了相似的规律性，相互印证了计算分析的力学建模和振动台试验结果的正确性。

In order to investigate the quantitative structure-retention relationship in gas chromatography, the molecular structure of monosubstituted alkane RX (X=halogen, OH, SH, NH2) is divided into two parts, R and X, to obtain molecular structure parameters, and the retention times in GC for 37 monosubstituted alkanes RX were determined.

将单取代烷烃RX(X=卤素，OH，SH，NH2等)分子结构分为两个区域来提取分子结构参数，从三方面影响因素(烷基R、取代基X、R与X的相互作用)来定量关联RX的气相色谱保留时间。

Hechi-Yishan fault zone is located in the north of Guizhong depression, which general strike is NW-EW and consists of a series of obduction fault. Generally, there are two main faults, the fault-fold belt about 5-20km is made of main faults, subsidiary faults and concomitant folds; The dip of main faults is N or S; It can be divided into four different structural sections along its strike (Hechi section, Yishan section, Liucheng section and Yingshan section). There are some differences among these sections in structure characteristic, such as fault structure, associated structure, fold association style, deformation of rock, and so on.

河池-宜山断裂带展布于桂中坳陷北部，总体走向NW-近EW 向，由一系列逆冲断层组成，主干断裂一般为2条，主干断裂与次级断裂及伴随的褶皱构造构成宽5-20km 不等的断褶带；主断裂倾向N 或S；沿走向可分为河池、宜山、柳城、英山四个构造段；各段断裂结构、伴生构造、褶皱组合样式、岩石变形等构造特征存在一定差异。

Studies of developmental dyslexia structure image found that development dyslexia showed brain structure abnormal in the parietotemporal region, occipitotemporal cortex, inferior frontal gyrus, and cerebellum et al , manifesting either in one specific area or by the asymmetry of one area; the functional image studies revealed that development dyslexia showed activity abnormal in most regions that proved to display structure abnormality; studies of brain functional connectivity demonstrates that the abnormality of development dyslexia happened not only in the connection between front-back part in one cerebral hemisphere, but also in the connection between the two hemispheres.

脑功能研究发现，发展性阅读障碍者出现脑结构异常的区域也大多表现出脑功能的异常。脑功能连接的研究发现，发展性阅读障碍者脑功能连接的异常不仅涉及到同侧脑区前后部分的连接，还涉及双侧脑区相应部分的连接。

We stopped by the old fashion ice cream parlor Manhattan Beach Creamery for some refreshment. The "No Shoes, No Shirt, No Problem" sign on the wall epitomizes the beach lifestyle.

我们去商店区的一家老式冰淇淋店坐坐，墙上挂著「没鞋，没上衣，没问题」的牌子完全捕捉了海滩生活的随性及风格。

"If therefore", argues Bellarmine we can offer our prayers and our satisfactions in behalf of those detained in purgatory, because we are members of the great body of Christ, why may not the Vicar of Christ apply to the same souls the superabundant satisfaction of Christ and his saints--of which he is the dispenser?

" "因此，如果"，认为贝拉明（德indulgentiis ，十四）"我们可以提供我们的祈祷和我们满意的代表那些被拘留在炼狱，因为我们是成员的伟大基督的奥体，为什麼可能不是牧师基督适用於同样的灵魂满意的过剩是耶稣和他的圣人-他是在配药？