Not only have had the very big impact on the traditional library, also affected the information spaces library which has being reformed. How can adapt the competition in the development environment, how to make the information spaces library have maximization social effect.

Fourth, 6 suggestions for information spaces library construction: ( 1) Conform existing resources, use dominant factor ( 2) rationally regarding information spaces library weak trend project, rationally distribution resources.

对于今后信息空间图书馆建设的6点建议：（1）整合现有资源，利用优势因子（2）理性看待信息空间图书馆弱势项目，合理分配资源。

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Based on creating information spaces, asking open questions and improving teaching content, this article introduces three skills for acting the atmosphere of English class.

本文从创设信息沟、提开放式的问题、活化和补充教学内容的三个方面介绍了活化课堂的三个技巧。

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Second, OPAC, the electronic books and the database the library the traditional resources were still the information spaces library superiority projects.

OPAC、电子图书和数据库作为图书馆的传统资源仍是信息空间图书馆的优势项目。

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The methodology was used to design a collaborative building environment integrating information spaces, physical spaces, cognitive spaces and social spaces.

在复合信息空间基础上构建了“协同大厦”，并设计了由信息空间、物理空间、认知空间和社会空间集成的协同环境。

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The expansion of the library services of provincial Party schools: joint utilization of information spaces shared

拓展省级党校图书馆服务新举措&信息共享空间的利用

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Drag to add a fax cover sheet that has text information spaces.

通过拖动可添加包含文本信息空白处的传真首页。

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However, in face of the disorder and changeability of the Web information spaces, people get lost in the ocean of information.

然而，面对网络信息空间的无序性和易变性，人们容易迷失在信息的海洋中。

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They improve the way people browse, explore, and interact with complex metadata information spaces.

它们改进了用户浏览、探索并操纵复杂元数据信息空间的方法。

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Methyl 3 ( 3,4 methylenedioxyphenyl) acraldehyde was synthesized through Claisen Schmidt condensation reaction of the heliotropin and propanal with KF/ Al 2O 3 as a catalyst, in yield over 80%.

以KF/Al2O3作催化剂，催化洋茉莉醛和丙醛的Claisen-Schmidt缩合反应合成了2-甲基-3-（3,4-亚甲二氧基苯基）丙烯醛，收率超过80%。

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Based on the theoretical framework of the leakage and spread of such poisonous and harmful substances as glycol and acraldehyde, this paper advances the graphic simulation of GIS of poisonous and harmful substances.

以石化企业乙二醇、丙烯腈装置产生的有毒、有害物质泄漏、扩散和污染范围的理论模型为根据，提出有毒、有害物质的地理信息系统（GIS）扩散图形模拟方法。

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Catalytic Synthesis of 2-Methyl-3-( 3,4-methylenedioxyphenyl) acraldehyde over KF/ Al_2O_3

KF/Al2O3催化合成2-甲基-3-（3,4-亚甲二氧基苯基）丙烯醛

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At present, the main producing method of it is acraldehyde route.

目前，戊二醛的主要工业生产方法为丙烯醛路线。

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This study shows that the bond strength of deformed GFRP rebars improves obviously, the optimal spacing of ribs should be less than 2.5 times of the rebar dia-meter and height of ribs should be more than 3% of the diameter.

试验结果表明，GFRP变形筋的粘结强度较高，最佳肋间距不应超过直径的2.5倍，肋高度应不小于直径的3%。

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On the basis of tree edge growth effects, the suitable planting density, reasonable spacing of planting spots and optimum patterns were suggested for poplar plywood plantations.

笔者根据林分边行生长优势原理，提出了杨树胶合板材人工林的适宜造林密度，合理的种植点配置方式和优化的杨粮间作模式，为平原农区发展杨树胶合板材人工林基地提供了依据。

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A fracture model of jointed rock mass is established considering the effect of horizontal seismic acceleration. Based on the proposed model, the relationship between the stress intensity factor, and length, spacing and dip of joints is discussed.

考虑了地震水平加速度的作用，建立了裂隙岩体的破裂模型，分析了在水平加速度作用下节理组的倾角、节理长度及间距对岩体破裂的影响。

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Mechanism of wide spacing short delay blasting and its proper burden adn spacing of the holes

宽孔距微差爆破机理及其合理的孔距与排距

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Spacing of different blasting holes with and without control hole for stress wave propagation and particle effects of effective stress by.

研究不同爆破孔间距组合以及控制孔对于应力波扩展和质点所受有效应力的影响。

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The transmission characteristics can be changed by changing the arrangement, size or holes spacing of air holes.

通过改变空气孔的排列方式、大小、孔间距都能使其传输特性发生改变。

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Factors such as rigidity of longitudinal beam, column spacing of the frame, frame beam span etc. have certain influence on the space work under the vertical load in the normal structure change and concerning rules can be reflected.

纵向梁刚度、框架的柱距、框架梁的跨度等结构因素在有限制的范围内对于框架在竖向荷载作用下的空间作用有一定的影响，且具有一定的规律。

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Within the range of experiment, increasing fin height or decreasing spacing of fins of petal-shaped fin tube is helpful to improve the performance of heat transfer enhancement.

在实验范围内，花瓣管翅片高度的增加、翅间距的减少都有利于传热强化性能的提高。

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