• OBJECTIVE: to investigate the effects of graphite carbon nanoparticles on cell growth, cycle, and apoptosis in vitro.

    目的:观察石墨碳纳米颗粒对体外培养细胞的生长增殖、细胞周期及凋亡的影响。

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  • Graphite, which is black in bulk, consists of layers of carbon atoms arranged in a hexagonal grid.

    石墨是黑色零散的,包含一层组织成六边形栅格的碳原子层。

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  • Carbon nanotubes are rolled-up sheets of graphite thousands of times thinner than a human hair.

    碳纳米管是由比人的头发细千倍的石墨板卷曲成的管状结构。

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  • But that wasn't known until 2004, when Geim and Novoselov, both of of the University of Manchester, UK, first used sticky tape to pull tiny sheets of carbon off a piece of graphite.

    但是这项发现直到2004年,英国曼彻斯特大学的杰姆和诺沃塞洛夫首次用胶带从一片石墨里拉出了极小碳原子片才得以证实。

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  • By contrast, graphite is soft and slippery because its carbon atoms form "flat" bonds, resulting in sandwiched sheets of atoms that weakly attract one another.

    相反,石墨的柔软和易滑脱特性源于它的碳原子形成了“平面的”化学键,导致了三明治式的层片状原子,而层间吸引力很微弱。

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  • The first commercial lithium-ion battery, launched by Sony in 1991, was a rocking-chair design that used cobalt oxide for the positive electrode, and graphite (carbon) for the negative one.

    1991年,Sony发布了第一款商用锂离子电池,它采用的就是摇椅式设计,其中用钴氧化物做正极,石墨(碳 )做负极。

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  • If the round blob looks elliptical, that's perhaps due to interaction with the graphite tip that supports the carbon chain, the researchers think.

    如果圆球变为椭圆状的,研究者认为那可能是因为支撑碳原子链的石墨与电子间的相互作用。

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  • For example, the behaviour of carbon nanotubes — markedly different from that of graphite, another form of carbon — is hard to predict.

    例如,碳纳米管和另一种形式的碳——石墨显著不同,前者的行为很难预测。

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  • The increase of carbon equivalent is primary reason for graphite floatation.

    碳当量高是引起石墨漂浮的主要原因。

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  • It is very difficult to get an uniform mixture of graphite powders and binder when graphite powders and binder are mixed mechanically for the preparation of carbon materials.

    制备炭素材料时石墨粉和黏结剂很难通过机械混合的方法均匀地结合,导致材料综合性能下降。

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  • Carbon and graphite materials have unique properties.

    碳和石墨材料具有独特的性能。

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  • Carbon or graphite fibers have been developed for use in various types of industrial textiles and in some types of consumer goods.

    碳纤维或石墨碳纤维已经被开发制作各种各样的产业用纺织品,并且也可以制作某些服用织物。

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  • Carbonization is the use of carbon graphite - graphite seal ring when one of the main reasons.

    石墨炭化是使用碳—石墨环时密封失效的主要原因之一。

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  • The improvement of service properties of existing carbon and graphite material can be gained through chemical treatment.

    为了改善现有的碳石墨材料的使用性能,我们可以通过化学处理来达到这一目的。

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  • SEM and TEM examination showed that the graphite in low carbon ductile iron formed nucleus and grew up based on the sulfide and oxide of manganese and calcium.

    结果表明:低碳球墨铸铁中的石墨是以锰、钙等的硫化物与氧化物作为基底形核并长大形成的。

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  • Magnetic susceptibility of polygranular carbon and graphite materials obtained with a new measurement technique, which avoids free rotation of the samples in the magnetic field, was investigated.

    用一种能避免样品在磁场中自由转动的新的测定技术测定了多粒炭石墨材料的磁化率。

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  • By the technology of vacuum cathodic arc deposition, graphite as cathode, Diamond like carbon film (DLC) was deposited on PMMA resin denture.

    采用电弧离子镀膜方法,以高纯石墨为碳离子源在PM MA树脂义齿表面沉积类金刚石膜。

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  • The relationship between the thermal physical and mechanics properties with the silver impregnated carbon graphite clack seat and bushing materials and thermal shock divisor was discussed.

    讨论分析了浸银碳石墨阀座和衬套材料的热物理及力学性能同热震因子的关系。

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  • The solid carbon represented by C60, namely fullerenes, is the third form of carbon following graphite and diamond.

    以C60为代表的固态碳.即富勒碳是继石墨和金刚石之后所发现的第三种单质碳。

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  • The electrochemical characteristics of carbon atoms on the edge and basal plane were determined by analyzing structure of graphite crystal and bond of different carbon atoms.

    分析了石墨微晶结构与成键特征,研究了石墨微晶中边缘碳原子与基平面碳原子的电化学特性。

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  • The apparent rate of transition reaction from amorphous carbon to graphite is a constant and the reaction order is quasi-zero.

    由无定形碳向石墨转变的反应为准零级,其表观速度为常数。

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  • Studies of graphite, modified graphite, coke, pyrolytic carbon and nano carbon materials are summarized. The characteristics of various carbon materials are compared.

    介绍了石墨,改性石墨,焦炭,热解碳和纳米级碳材料的研究,比较了各类碳材料的性质。

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  • The carbon graphite material prepared by the means of improving the oxidation resistance of the basic body materials and impregnated with phosphates had better oxidation resistance.

    采用改善炭石墨基体材料抗氧化性能和浸渍磷酸无机高分子复合盐的内外结合的方法,制备的石墨材料具有较好的抗氧化性能。

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  • Artificial diamonds are manufactured from graphite (another allotrope of carbon) using intense heat and pressure.

    人造金刚石由石墨(碳的另一种同素异形体)在高温高压下制造。

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  • The properties of carbon and graphite materials are determined by their structure and the pore structure is an important part of carbon and graphite materials' structure.

    炭-石墨材料的性能决定于其结构,而孔结构是炭-石墨材料结构的重要方面。

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  • Carbon materials, including graphite, carbon fibre, carbon foam and expanded graphite possess the properties of high conductivity, low density and good chemical stability.

    碳材料如石墨、碳纤维、碳泡沫和膨胀石墨,他们都具有高导热系数、低密度和良好的化学稳定性。

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  • Carbon materials, including graphite, carbon fibre, carbon foam and expanded graphite possess the properties of high conductivity, low density and good chemical stability.

    碳材料如石墨、碳纤维、碳泡沫和膨胀石墨,他们都具有高导热系数、低密度和良好的化学稳定性。

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