the order in the preceding list is just one example of a top-down approach.

the top-down approach is to implement the data warehouse in a single project phase.

自顶向下的方法就是在单个项目阶段中实现数据仓库。

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you should start with a top-down approach to performance tuning.

您应该采用至上而下的性能调优方法。

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this section will use top-down approach and bottom-up approach to stress testing practices in real estate.

本部分将运用自上而下方法和自下而上方法开展房地产压力测试实践。

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you can now use a top-down approach to design application systems by starting with system designer.

现在，可以从系统设计器入手，采用自上而下的方法来设计应用程序系统。

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application of telescoping steel form to diversion tunnel construction for wuluwati hydroproject

钢模台车在乌鲁瓦提水利枢纽导流洞工程中的应用

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the experimental results have shown that the fracture toughness and conductivity of the graphene nanosheet/ alumina composite are about 53% and 13 orders of magnitude higher than those of unreinforced alumina material, respectively.

试验结果表明加入石墨烯的氧化铝陶瓷的断裂韧性比没有增韧的氧化铝提高了53%，同时电导率也有显著提高。

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the tests show that the solid state products obtained from the organic exhaust gas by plasma jet mainly contain nanosheet graphite and carbon-coated nanometer copper powders.

实验结果表明，有机废气在常压等离子体射流的作用下分解为单质碳和无害气态产物。

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graphene nanosheet/ alumina composite was prepared by spark plasma sintering.

通过放电等离子体烧结法（SPS）制备GNS/氧化铝复合材料。

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finally, the graphene oxide modified glassy carbon electrode was prepared and used in the reduction of co2.the main work results summed up as follows: 1.

最后，探索了石墨烯修饰电极的制备以及对电化学还原CO2的应用。

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the dissertation is mainly focused on: 1. graphene oxide with rich functional groups ( igo) was prepared by improved hummers method.

主要内容如下：1、通过改进传统的Hummers法，制备了富含丰富官能团的氧化石墨（IGO）。

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xrd, sem and tem observations confirm the exfoliation and uniform dispersion of the graphene oxide in the polyamide 6.

XRD，SEM和TEM观察显示了氧化石墨烯纳米填料均匀地剥离且分散在聚酰胺6基体中。

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the main points are summarized as follows: the graphene oxide is exfoliated by the ultrasonic from graphite oxide which is synthesized by a chemical method.

研究内容主要有如下几个方面：1.采用化学法合成了氧化石墨，然后经超声剥离制备了氧化石墨烯。

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the main innovative achievements were summarized as follows: 1. an improved method for preparation of graphene oxide ( go) and graphene by our subject group.

其主要创新成果如下：1.通过本课题组改进的化学氧化还原法制备了氧化石墨烯和石墨烯。

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on this basis, graphene oxide is functionalized by sulfonic and amino group through modification, and the corresponding epoxy composites are prepared.

在此基础上，采用磺酸基、氨基改性的方法，对氧化石墨烯进行改性，并制备相应的环氧树脂复合材料。

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the results showed that the capacitive properties and the morphologies of the materials were influenced by the ratio of graphene oxide to potassium permanganate.

结果表明，复合电极材料的形貌和电容性能主要受石墨烯和高锰酸钾配比的影响。

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the following are focused. 1. a microwave-assisted reflux method was developed to rapidly synthesize coal-ldh/ graphene oxide composite.

具体研究内容如下：1、通过微波回流法快速合成CoAl-LDH/氧化石墨烯复合材料。

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using natural graphite as raw material, graphite oxide is prepared by modified hummers method. then through ultrasonication graphene oxide is prepared.

以天然石墨为原料，采用改进的Hummers法制备氧化石墨，进而利用超声波剥离法制备氧化石墨烯。

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graphene oxide as a raw material was involved in the polymerization reaction for different weight percentages of graphene/ nylon6composites.

采用氧化石墨烯为原料，通过氧化石墨烯在聚合物单体熔融状态下参与聚合反应制备出不同重量百分比的石墨烯/尼龙6复合材料。

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in this strategy, peptide probe was conjugated to the surface of graphene oxide by covalently crosslinking method to reduce the background signal.

这种生物传感技术利用共价交联的方法，将多肽信号探针固定到氧化石墨烯的表面，达到降低背景荧光的目的。

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to achieve its application, modification of graphene oxide is mainly studied in this paper. besides, its application in epoxy nanocomposites is also explored.

为实现其应用，课题主要对氧化石墨烯的改性进行研究，并探索其在环氧树脂纳米复合材料中的应用。

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