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氧化锌

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An Nd:YAG Q-switched laser operating at a wavelength of 266 nm, a pulse duration less than 10 ns, and a repetition rate of 10 Hz, was used to ablate a ZnO target of 99.9% purity.

所使用的光源为Nd:YAG Q-switched雷射,其波长为266 nm、脉冲宽度小於10 ns、重覆频率10 Hz;使用的靶材为纯度99.9%的氧化锌

Finally, the mechanism of pulse laser ablation for ZnO nanoparticles was also discussed.

最后,对氧化锌纳米颗粒的激光烧蚀机制进行了解释。

This thesis finally studied on the absorptivity of ultraviolet and visible light of nanosized zinc oxide in aqueous solution.

本论文最后对纳米氧化锌的紫外-可见光吸收性能进行了研究。

The characters of powder are connected with the inside structure and synthesize-technics of materials. In this paper, we want to search a optimize technics of materials synthesizing, and prepare a kind of nanosize powder which shape like ball and have good dispersed character. At the same time, we want to obtain a bridge structure of Zn-O-Tb through dopping of Tb, which can achieve efficient energy transfer from ZnO hosts to excited states of dopants, The doped powder can eradiate blazing green light because of efficient emission buildup from dopants and ZnO hosts, and the powder can emission a pure light. And we want to research the structure in doped ZnO for the further research of low-tension fluorescence of ZnO.

粉体的这些特性无不与其内部结构特征和制备工艺有关,基于这些,本文的实验目的是希望能寻找一种合适的制备方法和优化工艺,制备分散性好的球形纳米颗粒,希望改善其表面形貌,同时,通过铽掺杂,希望得到一种Zn-O-Tb桥联结构,实现氧化锌基体向铽发光中心的能量传递,希望铽中心特征发射和氧化锌绿光发射能有效叠加增强,改善粉体的单色性,制备出好的复合粉体,分析清楚其结构,从而为后续低压荧光特性研究作准备。

ZnO and cobalt oxide were prepared by a simple solution-combusting method. They were charactered and their properties were studied.

用溶液燃烧法制备氧化锌、氧化钴等氧化物纳米材料,并对其进行结构表征和性能研究。

The results of flotation treatment on this samplewere very bad probably because of high concentration of slimes and silica (33.27% SiO2). Then flotation method was replaced by sulfuric acid leaching.

由于该氧化矿泥化严重,且SiO_2含量高达33.27%,传统的浮选方法所得的选矿指标很不理想,因此,改为硫酸浸出法处理该氧化锌矿。

The company has developed products: biological nano-fuelling, nano-titanium oxide, nano-zinc oxide, NT nanocomposite materials, nano-materials and antibacterial ultraviolet shielding material, powder and far-infrared antibacterial, with the exception of formaldehyde, the release of anions The function of fiber materials, water repellent, anti-oil antibacterial fabric, eliminate bacteria, decomposition of harmful gas purifying the air, anion magnetic goggles, bathing beauty leader Kang Jian, tourmaline-ceramic series of health products.

目前公司已开发产品有:纳米生物助长器,纳米氧化钛,纳米氧化锌,NT纳米复合材料,纳米抗菌材料和紫外线屏蔽材料,远红外粉以及抗菌、除甲醛、释放负离子的功能纤维材料,拒水、抗油抗菌布料,灭病菌、分解有害气体的空气净化器,负离子磁疗眼罩,键康美容沐浴龙头,托玛琳多功能陶粒等系列健康产品。

The current research status of metal oxides is described in detail, including titanium dioxides, manganese oxides iron oxides, cobalt oxides, copper oxides, zinc oxides, other metal oxides with single element and multiple elements metal oxides, along with the results obtained in our groups.

结合本课题组的研究成果,按照二氧化钦、锰氧化物、铁氧化物、钴氧化物、氧化铜、氧化锌、其他单一金属氧化物和多组分掺杂金属氧化物等顺序对其催化臭氧机理进行了阐述,并对今后催化臭氧的研究与应用进行了展望。

Dr Kamat and his team covered the surface of an experimental cell made of cadmium sulphide, zinc oxide and titanium dioxide with nanotubes, so that the tubes stuck up from the surface like hairs.

Kamat博士及其团队的实验电池以硫化镉、氧化锌、氧化钛为原材料,他们在电池的表面覆盖碳纳米管,使得表面突起的那些&管子&看似头发丝。

Energy dispersive spectrometer data confirm existence of zinc oxide and ruthenium oxide hexacyanoferrate in the hybrid film. The effect of type of monovalent cations on the redox behavior of hybrid film was investigated.

由能量分散性分光仪光谱证明了复合薄膜中氧化锌和氧化钌赤血盐的存在,并且研究不同单价的阳离子所显示的形式电位作用。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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