氧化物

In situ micro-suction cups were used to collect samples of soil solution with Arundo donax Linn and typha latifolia from defined segments at rhizosphere in field.The experiment was conducted to elucidate the contribution of iron plaque while wetland plants were used to remove phosphorus.

在田间条件下，运用土壤溶液原位抽提和毛细管电泳分析等技术，比较了芦竹和香蒲根表铁氧化物胶膜数量、土壤根际溶液磷质量浓度、根际土和根际溶液pH及根膜比等的差异，阐明了湿地植物根表铁氧化物胶膜对磷素从非根际土壤-根际土壤-根际溶液-根表铁氧化物胶膜-根系的迁移过程的影响以及在磷素净化中的根际调控机制。

Moreover, its application as microwaveabsorber was primarily studied which lays a solid foundation for further investigations.The content, results and originalities of this research are as follows:1.3D self-assembled flowerlike hierarchical spheres of MnO_2 andγ-MnOOH nanobelts were prepared by a simple hydrothermal method, using KMnO_4 and H_2O as reactants, without any templates and surfactants.

本论文以倡导绿色环保为时代背景、以纳米科技的飞速发展为科学背景、以锰氧化物在二次电池和微波吸收领域的应用为着眼点，着重研究了各种不同形貌锰氧化物低维纳米材料的制备、生长机制及形貌控制，并初步研究了锰氧化物纳米材料的微波吸收特性，为进一步深入研究奠定基础。

At the first part of this work, the basic characteristics and the development of the research on the oxyfluoride glass ceramics was reviewed, and the optical properties of oxyfluoride glass ceramics doped with Ho〓, Er〓, Tm〓 ions, also that of the precursor oxyfluoride glasses was studied.

本工作第一部分对氟氧化物玻璃陶瓷的基本特点、研究概况进行了综述，同时，对Ho〓，Er〓，Tm〓离子掺杂的氟氧化物玻璃陶瓷及其前驱体—氟氧化物玻璃材料的基本光谱性质进行了研究。

This paper studies the steady state luminescent behavior of Yb 3+ Er 3+ codoped and Er 3+ mono doped oxyfluoride vitroceramic materials.

研究了Yb3+Er3+共掺和Er3+单掺氟氧化物玻璃陶瓷材料的稳态发光行为，对氟氧化物玻璃陶瓷，氟氧化物玻璃和氟化物玻璃中Yb3+Er3 +的交叉能量传递效应也进行了细致的研究。

The polyacrylate nanocomposite coatings were prepared by dispersing oxide nanoparticles in polyacrylate. The thermal degradation, photooxidative degradation and wear mechanisms under water lubrication of nanocomposite coatings were also evaluated.

并将纳米氧化物分散在聚丙烯酸酯乳液之中，制备纳米氧化物/聚丙烯酸酯复合涂层，分析纳米氧化物对涂层热降解、光降解以及在水润滑条件下摩擦磨损的影响。

After coating the solutions on the substrates, the precursor films will go through a heat treatment to pyrolyze the polymer and form solid films, In this paper, we show some representative oxide and nitride films grown by PAD, including simple oxide/nitride such as TiO2, GaN, A1N and complex oxide/nitride such asTiO3 and Ti(subscript 1-x)AlN.

该文介绍了使用该方法制备的一些具有代表性的氧化物和氮化物薄膜，包括简单氧化物／氮化物，如TiO2、GaN和AlN等，复杂氧化物／氮化物如（Ba，SrTiO3、Ti(下标 1-x)AlN等。

In chapter 1, the progress in study of the ruthenium complex oxides. especially the coexistance of magnetism and superconductivity in 〓 and 〓 are introduced. The introduction makes conclusion that all of the Ru-1212 and Ru-1222 compounds reported are accompanied by small amounts of SrRuO〓 impurities, this is to say that, it is difficult to synthesize pure samples of these two compounds by traditional solid state reaction. So the author think that the studies for new synthesis methods of ruthenate superconductors which is beneficial to the synthesis of new type precious metals superconductivity is very important till now.

第一章重点综述了钌系复合氧化物的研究进展，特别是其中超导电性的发现及其钌系1212、1222相铜氧化物超导电性和铁磁性共存的特征，在此基础上可以看出，至今文献报道所获得的Ru-1212和Ru-1222相化合物都含有少量的SrRuO〓杂相，即很难通过原有的固相反应方法得到纯相化合物，由此作者提出，现有钌系超导氧化物合成的新方法研究仍具有重要的现实意义，这也将更有利于探索合成新型贵金属超导体。

Through the addition of rare earth oxidation La_2O_3 and CeO_2 into the electrode coating , the effect of rare earth oxidation on high temperature oxidation and sulphidation resistance is studied and the rational addition amount is suggested.

通过A402，A302，A202及Cr24Ni7不锈钢焊条熔敷金属的抗高温氧化腐蚀性能对比试验分析，设计了新的专用焊条合金系统Cr26Nil6，并在焊条药皮中分别添加微量稀土氧化物La2O3及CeO2，研究不同稀土氧化物添加量对焊条熔敷金属在空气中和含硫气氛中抗高温氧化及腐蚀性能的影响，从而确定了合理的稀土氧化物加入量。

The density, electrical contact resistance and hardness of these two alloys were tested. The results show that Ag and rare earth oxide appear in Ag-Y and Ag-Ce alloy after internal oxidation. The distribution of oxide particles is inhomogeneous and seriously conglomerated in Ag-Y2O3 and Ag-CeO2 sintered bulk, but they are dispersed and uniform in Ag matrix after severe plastic deformation. The relative densities of wire materials are larger than 99% and the electrical contact resistances are low (＜2.2 μΩcm).

结果表明：Ag-Y和Ag-Ce合金粉末经内氧化处理后生成Ag和稀土氧化物2种物相；Ag-Y2O3和Ag-CeO2材料烧结坯中氧化物颗粒分布不均匀且团聚严重，但材料经过大变形加工后，氧化物颗粒细小，均匀地弥散分布在银基体上；最终产品丝材的相对密度均达到99%以上，电阻率较低(＜2.2 μΩcm)。

In the course of selecting oxide additives material in the nickel-ferric spinel based inert anode, both the solubility in the cryolite molted salt of oxide additives and the whole thermodynamics action in electrolyte of oxide additives are discussed in this article, thus to have a comparatively reasonable selection of the nickel-ferric spinel based inert anode material.

在选择镍铁尖晶石基惰性阳极材料氧化物添加剂过程中，不仅探讨了氧化物添加剂在冰晶石熔盐中的溶解度，而且还探讨了氧化物添加剂在电解液中的整个热力学行为，从而对镍铁尖晶石基惰性阳极材料做出了较为合理的选择。

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。