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The effects of electron-electron interaction on dimerization in nanographite ribbons are investigated.

研究了纳米石墨带中电子相互作用对二聚化的影响。

To develop a new method based on matrix solid-phase dispersion extraction with basic aluminum oxide-graphitized carbon black to determine abamectin in different vegetables. The abamectin was analyzed by HPLC/MS.

寻找一种新的样品前处理法-基于碱性氧化铝-石墨化炭黑的基质固相分散法,并将该方法用于不同蔬菜中阿维菌素的残留分析,HPLC/MS分析检测。

Methods 0.5 ml heparin sodium was adopted to anticoagulation, and samples were digested in microwave dissolver. After constant volume, sample injection was performed in graphite furnace of atomic absorption instrument, peak height was used for the qualitative analysis.

取0.5ml肝素钠抗凝血,于微波消解仪中消化,定容,用原子吸收仪石墨炉进样,峰高定量,进行血样及标准物质的检测。

At last the mould was designed by the antitype of some kind of notepad. The study of the technology parameters such as drawing temperature , drawing speed , block holder pressure , lubricate condition showed that when the mould clearance was 1.6mm, drawing temperature was 220~280℃, the block holder clearance was 1.16, the block holder pressure was 2 ton we can formed a qualified notepad shell of the fillet radius of 2.4mm.

最后,以某型号笔记本电脑外壳为原型,自行设计、加工了笔记本电脑外壳热拉深模具,对其拉深温度、拉深速度、压边力、润滑条件等拉深工艺参数研究表明,当模具间隙为1.6mm,拉深温度为220~280℃,压边间隙为1.16,采用石墨+机油润滑时,可获得最小圆角半径为2.4mm的笔记本电脑外壳拉深件,所得拉深件贴模性良好、回弹小,达到了设计要求。

It was found that the plate made by dry method had a loose texture and there were pore spaces among the graphite particles by scanning electronic microscope.

电镜观察也表明干法制备的复合板较为疏松,且石墨颗粒之间存在孔隙。

Reasons of caustic soda concentration abrupt decrease in late period of graphite anode electrolyzer and metallic anode electrolyzer operation were discussed.

石墨电槽和金属槽运行晚期碱浓度突然降低的原因进行了探讨,认为导致碱浓度降低的主要原因是隔膜的性能和组织成分发生了质的变化,丧失了正常工作的效能。

The main research contents and results are shown as follows:(1) In order to meet the actural need of this research project, the general ways to bake electrolyzer, which include Aluminium-liquor- baking method, coke-ash-baking method and graphite-powder-baking method, are introduced in details. Their shortcomings and effects on the life-span of electrolyzer are also analyzed.

全文的主要工作和成果总结如下:(1)根据实际科研项目的需要,对现有的预焙电解槽焙烧启动方法铝液焙烧法、焦粉焙烧法和石墨焙烧法进行分析,指出其缺点。

By an argon flow where its condensation occurs while being cooled. The analyte containing aerosol particulates can then be quantitatively re-collected by means of intra-furnace electrostatic precipitation on the wall of a graphite tube , or by external EP on a secondary graphite boat or onto one or a set of secondaryplatforms by means of corona discharge applied to the deposition site .In comparison with other techniques, the ETV-EP sampling offers some essential advantages.

在这种情况下,样品矩阵的大部分被加热分解首先去除,那么analyte 被汽化在熔炉和失去控制由它的结露发生的氩流程当冷却。analyte包含湿剂微粒物质可能定量地然后被回忆通过内部熔炉静电降雨雪在石墨管的墙壁上,或由external EP 在一条次要石墨小船或一个或一套次要平台通过光环放电适用了于证言站点。

The exchange of the electrovalence of the cupric ion has been testified by XPS-ESCA.Graphite and chloride in the stage structure,seem to be the conductor and insulator,which form the "sandwich" structure.This special structure produced a weak chemical bond belt and provided the carrier space in the perpendicular direction to the c-axis.These factors in and vertical to the direction of c-axis together increased the electrical properties.

GICs将良导体的石墨层与绝缘体的氯化物层在分子尺度上结合起来,所形成的阶结构相当于许多导体和绝缘体层组成的"三明治"结构,产生化学键薄弱的通道,提供了垂直c轴方向的载流子通道,隧道效应和格架空间提供了载流子活动空间,这些因素共同作用使得GICs的电导率成倍增加

Third, it is studied that electro-deposition recovery of heavy metals in the concentrated solution of the eluate by acid-decomplexation-ultrafiltration in the traditional electric cell reactor with plate graphite electrode which is excellent characteristics and cheap.

再次,选用性能优异、价格低廉的平板石墨为电极,采用传统的电解槽为反应器,详细地探讨了从酸解—超滤耦合过程洗脱液中电沉积回收重金属的各种因素对电沉积效果的影响,确定了适宜的工艺条件。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

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