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Based on this point of view, two researches are conducted: One is a correlational study, and the other is a training study.

基于此,本研究主要通过两种类型的研究考察心理理论与执行功能之间的关系:一是相关研究,二是训练研究。

Species richness and Pielou evenness index were used to measure species diversity. Species richness in polluted area was 32-67, while in control area it was 47-82. Pielou evenness index of tree layer was 0.1161-0.8509, while those of shrub layer and herb layer were 0.1763-0.3249 and 0.0443-0.2601, respectively. The results showed that both species richness and Pielou evenness index were influenced by the point source pollution. Species importance values showed significant differences between polluted area and control area. Dominance of different species had changed, and some species even disappeared under the pressure of pollution, indicating a process of species replacement in plant communities. Such species replacement can provide a scientific basis for species selection for restoration of human-damaged ecosystem. The natural regeneration of Quercus variabilis was insensitive to pollution, while Cupressus funebris was effected seriously.

仅在污染区中出现的物种数量远低于仅在对照区中出现的物种数量;(2)可分出4种基本的群落类型:马尾松林、柏木林、栓皮栎林和马尾松+栓皮栎林,各群落特定层次的物种丰富度指数以及Pielou均匀度指数在污染区与对照区之间存在显著差异;(3)污染胁迫下,物种在群落中的生态优势度发生了变化,反映了群落中不同物种相互替代的过程,这种物种的替代可为今后受损生态系统人为恢复过程中物种的筛选提供一定的理论参考;(4)对群落中王要物种更新的调查发现:栓皮栎林对污染不敏感;柏木林污染区与对照区幼苗数量及分布格局均有明显差异,污染条件下群落未来演替受到严重干扰。

Take DMSO swollen treatment and DEA-SO2-DMSO decrystallization treatment for example, the X-ray diffraction and the Tobolsky's intermittent stress relaxation of treated woods were determined during soaking in water, analyzed the effects of water on crystal degree and inter-cohesion of treated woods. According to these continuous relaxation curves measured in water with different temperatures, various thermodynamic quantities were obtained by using Eyring absolute rate theory, and reviewed the chemical reactions in wood which occur in different relaxation process. For the first time quantify these crosslinkings formed in the process of tensional relaxation by using the SMCIR intermittent stress relaxation way, and defined the cross-linking reaction types. In order to find out the contribute of drying to the fixation of deformation of chemically treated wood, stress relaxation of oven-dry untreated and treated wood was measured during the process of temperature elevation and descend, then analyzed the effect of temperature change on relaxation mechanism of treated oven-dry wood. According to continuous relaxation curves of oven-dry treated wood under various constant temperature, calculated the thermodynamics of relaxation process and discussed the mechanism of molecule change in wood, at the same time, also quantified these cross-linkings produced in wood by intermittent method and on the basis of which the model of molecular change during relaxation process of chemically treated was constructed.

以DMSO膨胀处理及DEA- SO2-DMSO非晶化塑化处理为例,测定了两种处理木材在水浸渍过程中的X射线衍射及Tobolsky间歇应力松弛,分析了水对处理木材结晶度及内部凝聚力的影响;通过未处理和两种处理木材在不同温度水中的连续应力松弛测定,应用Eyring的绝对速度反应理论计算并获得了松弛过程中的各热力学量,分析了在水中松弛过程中不同阶段木材内部发生的化学反应;并首次采用SMCIR连续·不连续双曲线应力松弛法定量了轴向拉伸应力松弛过程中木材内部产生的架桥量,明确了交联反应的类型;为了了解干燥对处理木材塑性变形固定的影响,测定了未处理和两种处理绝干木材在温度下降过程和上升过程中的应力松弛,分析了温度变化对处理绝干木材应力松弛的影响;根据多个温度水平下的连续应力松弛测定曲线,计算松弛过程的热力学量,考察了绝干木材在松弛过程中内部发生的分子变化机理,同时也用间歇法定量了木材内部新形成的架桥量,并在此基础上构筑处理木材在松弛过程中内部分子构造的变化模型。

Based on the studied materials of oil fields and outcrops in the northwestern area of China, selecting the most important oil-bearing rservoirs (fiuvial and deltaic sand bodies) in terrestrial facies lacustrine basin, utilizing the theory and method of sedimentology, this paper explores the key problems, which are the studies of depositional model, heterogeneous model and predictable model, in order to present conductive information for the application of corresponding area and similar reservoirs, simultaneously, to deeply promote the organic combination of theory and practise.

本文根据在我国西部地区油田及露头区研究的资料,选取陆相湖盆沉积体系中重要的油气储层类型—河流和三角洲沉积砂体,以沉积学的原理和方法为基础,对油藏研究中的沉积模型、非均质模型和预测模型等热门研究课题进行研究,以指导相关地区类似油藏或储层的精细描述,从而达到使理论研究和生产实践进一步有机地结合。

First, some critical problems in crystal growth like crystal seeding, Zn dephlegmation, geometrical selection and temperature fields are discussed in theory, and the possible kinds of defects appeared in crystal growth progress and the reasons are carefully researched. To control the concentration of Cd vacancies, a new method by which the Cd vacancies were compensated with excess Cd in the Cd rich starting materials has been developed, and a new kind of two-area tube furnace with good linear temperature distribution was designed.

首先,本文从理论上对坩埚下降法生长碲锌镉单晶体中的成核、Zn分凝、几何淘汰生长与温场等关键性问题进行了讨论,对在生长过程中可能出现的各种缺陷类型和形成原因进行了详细分析,提出了碲锌镉单晶体生长过程中Cd空位缺陷控制原理及方法,并针对坩埚下降法生长特点自行设计了两区域独立加热管式生长炉,获得具有较好线性分布的温场。

Taking into account the above, the purpose of this paper is to present a global architecture model (in the traditional software development sense) for any e-learning system that provides theoretical justification without losing generality; in other words, an architecture model that is valid for any type of didactical purpose.

考虑到上述情况,本文件的目的是目前全球体系结构模型(在传统的软件开发的意义)的任何电子学习系统,提供了理论理由而不概括性;换言之,一个建筑模型,是有效的对任何类型的教学目的。

The existence of politicized dramaturgical action proves that freedom is never abstract; the precondition of realizing true democracy would be to reform the social structure and institutions, rooted on which such psychological and social phenomena could become understandable.

但我们有理由期望这项研究将丰富批判理论关于&战略行为&、&交往行为&的传统界定与阐释;至少,它将证明人类行为类型与互动关系的多样性与复杂性。我们还期望这项研究将为威权主义社会中个体自由、人权的历史性及民主化进程的政治哲学探究提供独特的视角,因为政治性剧场行为的存在告诉我们:自由永远不是抽象的;要实现真正的民主与人权,就必须矫正造成心灵扭曲与禁忌的社会结构与制度运行方式。

The microbes dynamics rule during tobacco life cycle in various types of soil might be a new consideration to understand the development of especial features of flue-cured tobacco. soil type ; edaphon ; dynamics ; flue-cured tobacco

因此加强对土壤微生物种群与土壤类型之间在烟叶生长期的相关规律研究,可以丰富烤烟根际微生态方面的内容,并为研究烤烟根际微生物与优质烟叶生产之间的关系,以及这种关系对烤烟产量品质的影响提供理论基础。1材

Considering the systematization of student, teacher, curriculum selection and environment, the author design new curriculum types from the view of superior structure of curriculum essential factors, those curriculum essentia...

小学社会科直接体现并具体贯彻&个体社会化&这一教育目的,因此本文以实现学生&个体社会化&作为基本线索,以社会心理学、社会学和课程论的相关理论作为基础,进行新的课程整合类型的开发和设计。

Generally, Toft's"strategic interaction"is relatively new and explanative. Being an important starting point for this research, Toft's"strategic interaction"perspective still leaves us with some questions: Firstly, Toft's analysis on the four types of strategy is too far-fetched; Secondly, Toft deliberately evades the question of a strategic choice in his theoretical model; thirdly, the argument"time is conducive to the weak rather than the strong side"is not convincing.

总体上看,托夫特的&战略互动论&比较新颖且有相当的解释力,因此也构成了本研究的重要起点,但它也还是给我们留下了几点重要的疑问:首先,托夫特关于四种战略类型划分过于牵强;其次,在其理论模型中,托夫特有意地回避了战略选择的问题;再次,关于&时间有利于弱者而不利于强者&的逻辑解释也并不能令人信服。

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推荐网络例句

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。