氧化物

The niobium suboxide powder was prepared by NbH reduction Nb2O5procedure, pressing to the mould, sintering and oxidation of the niobium suboxide anode, and niobium suboxide for capacitor anode with good electrical property was obtained.

摘 要：采用NbH还原Nb2O5工艺制备低价铌氧化物粉末，经压制成型、阳极烧结、阳极氧化工艺，获得电性能优良的低价铌氧化物电解电容器阳极。

In chapter three, various theories and experience on the dispersion of nano-powders proposed by former researchers were generalized and reviewed. Technical standards and experimental process for determining technological parameters were suggested for the dispersion of nano-scaled metal oxides in aqueous medium according to their surface wettability, surface charge, the dependence of surface charge on pH and the compatibility of surfactants with pH and pH adjusting agents. Based on these suggested standards and experimental method, highly stable and dispersive aqueous suspensoid of nm-ZnO, nm-TiO〓, nm-Co〓O〓 and nm-MnO powders were prepared successfully and surface modification on these nano-powders was also achieved.

本文第三章通过大量的文献调研，归纳总结了前人在纳米粒子分散技术方面的理论和经验，并在此基础上根据纳米氧化物粉体的表面润湿性、表面电性及其与分散介质pH值的关系、表面活性剂及其与pH调节剂的配伍关系设计了纳米氧化物水分散体系的工艺规范以及确定工艺参数的通用实验步骤，成功地制备了纳米氧化锌、纳米二氧化钛、纳米氧化钴和纳米氧化锰的高稳定分散悬浮液并实现了干粉体的表面改性，为纳米材料在氧化锌压敏电阻中的应用创造了第二个前提条件。

Tetroxide formation is slow but will cause false high readings due to the increased amount of the gaseous tetroxide reaching the plasma.

虽然四氧化物的形成比较缓慢，但是血浆中气态四氧化物的含量升高，将导致偏高的错误读数。

The thermoelectric property of Ca3Co4O9 is mainly from Ca2CoO3 layer, but it seems to have no direct relation to the CoO2 layer, which is consistent with that binary oxides hardly have thermoelectric property, but trinary oxide compounds have quite good thermoelectric property.

Ca3Co4O9的热电性能主要由Ca2CoO3层决定，而与CoO2层无直接联系，这与一般的二元氧化物无热电性能，而三元氧化物可能有较好的热电性能的结论一致。

"One cup of black tea is equivalent to one dark chocolate bar for antioxidant content," Discovery News quoted lead author Joe Vinson, as saying.

一杯黑茶的抗氧化物含量和一条黑巧克力的抗氧化物含量是相当的，《新闻探索》引用乔文森的话说。

While it is helpful to use preventive sod webworm control through Microbial pesticides, the problem is that many of these pesticides will not only kill the moths of sod webworms, they may also kill butterflies and even non-pest moths.

而这是有帮助的使用预防性超氧化物歧化酶webworm控制，通过微生物农药，问题是，许多这些农药，不但会杀死蛾类的超氧化物歧化酶webworms ，它们也可能杀死蝴蝶，甚至非蛾类害虫。

Recently, Lacorre and his coworker discovered that La_2Mo_2O_9 as a new type of oxide-ion conductor has higher oxide-ionic conductivity than that of conventional yttria stabilized zirconia. However, up to now, most of the literatures on La_2Mo_2O_9 and doped La_2Mo_2O_9 reported mainly concerned with the characterization of structure and phase transformation, there has been no detailed work with respect to the conduction property on them.

最近，Lacorre等人发现新型氧离子导体钼酸镧(La_2Mo_2O_9)复合氧化物具有比传统的氧化钇稳定的二氧化锆更高的氧离子电导率，但至今有关La_2Mo_2O_9基氧化物的文献侧重于其结构、相变的报道，对其导电性能及其变化规律的研究报道较少。

Keeping a certain oxygen pressure in the deposition chamber to convert the partially oxidized yttria into perfect oxidized yttria, the absorption coefficient of the films would be decreased.

本文通过在镀膜过程中向真空室中充入一定气压的氧，保证不完全氧化物再度合成为完全氧化物，从而降低了Y〓O〓薄膜的光学吸收系数。

SO〓 injury caused a reduction of water, chlorophyll and anthocyanidin, and pH values of the grapes injured by SO〓 were decreased and the intracellular acidification of flesh could be found. SO〓 injury also inhibited activities of SOD, POD and CAT, and deceased ASA contents. Hence the membrane lipid per oxidation was accelerated and the content of MDA and relative electrical conductivity were increased. Treatment of toxic dose of SO〓 increased respiratory rate, lowered activities of PAL and PPO.

与不耐SO〓的品种&红地球&相比，耐SO〓品种&巨峰&具有较高的pH值和较大的缓冲容量，较高的超氧化物歧化酶和苯丙氨酸解氨酶活性；受SO〓刺激后，耐SO〓品种&巨峰&的超氧化物歧化酶及苯丙氨酸解氨酶活性和酚类物质含量上升幅度大于不耐SO〓的品种&红地球&；长期处于SO〓伤害环境时，耐SO〓品种&巨峰&的过氧化氢化酶活性下降幅度低于不耐SO〓的品种&红地球&。

Phosphate use efficiency of Arundo donax Linn with iron plaque was 16.5% more than that of without,31.4% for typha latifolia .

根表有铁氧化物胶膜沉积的芦竹磷素利用有效性比无铁氧化物胶膜的植株高16.5%，香蒲高31.4%。

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。