The importance of developing positive materials of lithium manganese oxide for lithium ion battery is expounded, and the applications of 3d transition metal ions ( Cr3+, Ni2+, Cu2+, Fe3+) doped in positive materials of lithium manganese oxide are introduced.

Since seventies of the 20~ th century, people began to study irradiation damages in α-Al_2O_3 crystal due to the demands of development in space technology, many color centre in the damage of oxide crystals by ion implantation has been studied.

七十年代以后，随着空间技术的发展，人们开始对α-Al2O3晶体辐照缺陷中的色心进行广泛的研究。

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Modern pharmacological studies have demonstrated that polydatin has multiple biological activities such as improve blood rheology, anti-thrombus formation, anti-oxidation, regulate nitric oxide, affecting ion channels and protein kinase.

现代药理学研究显示，虎杖苷具有改善血液流变学、抗血栓的形成、抗氧化、调节一氧化氮、影响离子通道和蛋白激酶等多种活性作用。

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It was also suggested that the morphology, the content of neodymium oxide and chloride ion in neodymium carbonate lie on its structure and crystal growth characterization.

碳酸钕中氧化钕和氯离子含量的高低取决于晶体的结构类型和结晶生长特性。

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Preparation of Novel Electroluminescence Copolymers Poly(( p-phenylene vinylene)-b-Polyethylene oxide) Containing Ion Transport Segments

含有离子传输单元的聚对苯亚乙烯聚氧化乙烯多嵌段聚合物电致发光材料的合成

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Effect of Essential Oil from Angelica Sinensis on Level of Nitric Oxide and Calcium Ion in Uterine Tissue of Mice

当归油对痛经小鼠子宫组织中一氧化氮和钙离子的影响

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The absorption of nanometer-sized iron oxide to chromium ion(ⅵ) also has been studied.

研究了纳米级氧化铁对Cr（Ⅵ）的吸附。

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Oxidative coupling of methane on perovskite type oxide with oxide ion defects at low temperature

甲烷在含有氧缺陷的钙钛矿型复合氧化物上的低温加压氧化偶联反应

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Effect of O2 pressure on the synthesis of titanium oxide film y ion beam enhanced deposition

氧分压对动态离子束辅助沉积合成的氧化钛膜的影响

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Preparation of Zinc Oxide Whiskers by Ion Exchange Resin Method

离子交换树脂法制备氧化锌晶须

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The results indicated that melting point of metal oxide, ion radium of metal and the behavior between metal element and the components of USY framework, especially alumina influenced the stability of USY structure.

实验结果表明：金属氧化物的熔点、金属离子半径、金属元素与分子筛骨架组分特别是铝的固态行为是影响与分子筛相互作用程度并进一步影响分子筛结构的关键因素。

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In recent years, lots of non-contact processes such as oblique vapor deposition of silicon oxide, ion beam alignment and photo-alignment have been came up to solve these problems.

为了解决这些问题，近年来已有不少非接触式取向方式被提出，比如在斜向蒸镀氧化硅、离子束取向、光取向等。

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In dry air, the samples are a mixed conductor of oxide-ion and hole.

在干燥空气气氛中，陶瓷样品为氧离子和电子孔穴的混合导体；

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Effects of Exogenous Nitric Oxide on Ion Absorption and Distribution of Tomato Seedlings under NaCl Stress

外源NO对NaCl胁迫下番茄幼苗离子吸收及分布的影响

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Determination of cu, ni, Zn in scandium oxide by Ion Chromatography

离子色谱法测定氧化钪中的铜、镍、锌

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Oxide ion yield of the rare earth elements ( REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.

稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。

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Silicon oxide ion barrier film was successfully fabricated on the input-face of microchannel plate by magnetron sputtering method.

本文利用射频磁控溅射方法，在微通道板输入面上成功地制备出二氧化硅防离子反馈膜。

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Study on the apical diffusion of hydroxyl ion of calcium hydroxide in immature teeth: An in vitro study An effective antioxidant, vitamin C helps to protect cells against free radical damage.

不同氢氧化钙制剂在根尖周区氢氧离子扩散效能的研究抗氧化剂，保护细胞免受游离基破坏。

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This process is quite similar to a base-catalytic hydrolysis. The Si-O-Si bond is broken by assimilation of a hydroxyl ion splitting off the silicon atom.

这种过程更类似碱性水解，其中Si O Si键由于一个羟基离子分离硅原子的同化作用而受到破坏。

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Determination of Accumulative Stability Constant of Lead Ion with Hydroxyl Ion by Using Anodic Stripping Voltammetry and Multiple Linear Regression Algorithm

多元线性回归阳极溶出伏安法测定Pb~（2+）与OH~-之间的累积稳定常数

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A further reaction produces an additional hydroxyl ion to maintain the attack on the network.

再进一步反应又形成一个外加的氢氧离子，它又继续侵蚀网络。

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