纳米塑料中用作纳米无机相材料的蒙脱土(MMT),是我国丰产的一类天然粘土矿物。
MMT which is used as nanometre inorganic phase in nanometre plastic is a kind of rich natural clay mineral in our country.
介绍纳米复相陶瓷的增韧补强机理,对研制高性能纳米陶瓷刀具材料需考虑的主要因素进行了探讨。
Toughening and strengthening mechanisms of nano-composite ceramics are introduced, the main factors affecting the mechanical properties of the nano-scale ceramic composites are discussed.
为了本质上研究其中的相稳定性问题,需要制备缺陷少的、杂质少的块体纳米材料。
So in order to study the intrinsic mechanism of phase stability in nano-grained materials, the samples with fewer defects and impurities are required.
采用机械力固相化学反应,为制备稀土纳米荧光材料寻求了一条新的简单易行、效果更优的方法。
We have get a simple and direct, easy operation, good effect method for preparing nano-sized rare earth phosphors by means of mechanical solid state chemical reaction.
液相化学法是制备纳米粉体材料的常用方法。
Liquid chemical method is widely used to synthesize nano powders.
以鸡蛋壳内膜为模板,通过简单环保的液相浸渍技术结合热处理工艺制备了具有蛋膜分级结构特征的WO3纳米材料。
The WO3 material with interwoven meshwork conformation was successfully prepared using eggshell membrane as template by an aqueous soakage technique followed by calcination treatment.
发现在微米级基体中掺入纳米级颗粒第二相的材料a2的综合力学性能最佳。
It was found that the material A2 with micrometer matrix strengthened by sub-micrometer second phase had the best comprehensive mechanical properties.
纳米材料的物相、尺寸和颗粒形状等决定其性能和应用,其可控制备至关重要。
The properties and applications of nanomaterials depend on their phase, size and shape, so it is very important to control the synthesis of nanomaterials.
其主要特征是均匀性掺杂,不仅反映在纳米电子发射材料的微观结构方面,而且表现在第二相的更加均匀分布方面。
The mainly characteristic of it is the high efficiency intermingles and homogeneous. Not only the microstructure but also the second phase is uniform.
本文利用热灯丝化学气相沉积法(HFCVD)制备了纳米量级的碳薄膜材料,对它的电学性质及场发射性质进行了详细的研究。
In this dissertation, extensive researches on the electrical and field emission properties of nano-carbon films prepared by hot filament chemical vapor deposition (HFCVD).
以镍片为基板材料,利用微波等离子体化学气相沉积法在低温条件下合成了纳米碳管膜。
Carbon nanotube films were synthesized on Ni substrate by microwave plasma chemical vapor deposition at low temperature.
纳米复相陶瓷是一种新型复合材料,它的综合性能相对传统陶瓷有了很大的提高。
Nanocomposite ceramics is a new composite, and its general performances are better than traditional ceramics.
本发明的纳米复合材料配方由微米级基体、纳米级增强相、稀土和晶粒生长抑制剂等高温烧结而成。
The formulation of the nano composite material comprises the step of: sintering a micron substrate, a nano strengthening phase, rare earth, a grain growth inhibitor and the like at high temperature.
纳米复合陶瓷是指纳米相颗粒均匀、弥散地分布在陶瓷基体中形成的复合材料。
Nano-phase composite ceramic is a composite material which contains nano-phase particles in homogeneous dispersion state.
结果:复合材料中的羟基磷灰石为类似于自然骨矿物相的弱结晶含碳酸纳米晶体,并均匀分散于有机相壳聚糖中。
Results:The HA synthesized here was poorly crystalline carbonated nanometer crystals and dispersed uniformly in chitosanp hase and there was no phase-separation between the two phases.
方法:应用共沉淀法制备纳米羟基磷灰石/壳聚糖复合材料,并采用TEM、SEM、XRD等手段对材料晶相组成、微观结构、晶粒大小进行分析表征。
Methods:Nano-hydroxyapatite/chitosan composites were prepared through a co-precipitation method. The properties of these composites were characterized by means of TEM , SEM, XRD test machine.
探索了在水相体系中锗酸盐纳米材料的合成。
用伪半固态触变成形技术能够成形陶瓷基复合材料,成形温度大大低于高熔点相纳米粉体熔化温度。
The ceramics matrix composites can be formed by pseudo-semi-solid thixoforming and the forming temperature was much lower than the melting temperature of the high-melting phase-nano-powder.
基于以上原因,本论文的工作将主要建立在使用化学气相沉积法制备氮化物和氧化物半导体纳米材料的基础上。
The main contents of my graduate thesis, focusing on the synthesis of oxide and nitride semiconductor nanostructures through CVD, are summarized as:1.
基于以上原因,本论文的工作将主要建立在使用化学气相沉积法制备氮化物和氧化物半导体纳米材料的基础上。
The main contents of my graduate thesis, focusing on the synthesis of oxide and nitride semiconductor nanostructures through CVD, are summarized as:1.
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