Persons lack of oxygen should be moved to fresh air.

Could the damage have been caused by a lack of oxygen during her seizure?

是不是因为痉挛期间缺氧造成的损伤?

The successful introduction of locomotive air oxygen technology, oxygen generator oxygen gas output up to 90 %.

机车成功的引入航空制氧机技术, 制氧机输出的气体氧气含量高达90%以上.

The remaining two oxygen atoms form oxygen gas.

剩下的二个氧原子形成氧气.

Preparation of Sponge Copper and Chemical Manganese Dioxide by Acid Leach of Manganese Oxide Ore and Copper Sulphide Ore The sponge copper is a kind of purring scraps which is produced in the nickel electrolyzing in Jinchuan Non-ferrous Metal Company ( JNMC).

氧化锰矿和硫化铜矿酸浸生产海绵铜与化学二氧化锰的研究金川公司海绵铜是镍电解过程中的净化渣，由于含有一定数量的铜、镍硫化物，用常规的方法不易经济处理。

The results showed that Cu/ CeO_2 catalysts exhibited excellent WGS activity due to the combined effects of copper oxide and cerium dioxide, and copper loadings had remarkable influence on the catalytic activity.

结果表明，Cu/CeO2催化剂呈现出良好的水煤气变换活性。

Blood is the medium in which oxygen is carried to all parts of the body.

血液是将氧气输送到人体各个部位的媒介。

The action of heat will separate the chemical into a substance and oxygen.

热的作用会把这化学药品分解成氧气和另一种物质.

Chromium doped titanium dioxide Cr-TiO2 was prepared by the sol-gel method. The effects of annealing temperature on the crystal structure, oxidation states of chromium, and UV-vis absorption proper-ties of Cr-TiO2 were investigated in details.

采用溶胶-凝胶法制备了铬掺杂二氧化钛（Cr-TiO2），并对经过不同温度烧结的Cr-TiO2的结构、吸收光谱及样品中铬的氧化态等进行了表征。

As the simplest ferromagnetic half-metal oxide, Chromium dioxide is the traditional magnetic recording material and its Curie temperature Tc is high to 396K.

作为最简单的铁磁性半金属氧化物CrO2是传统的磁记录材料，而且CrO2的居里温度高达396K。

The development and applications of particulate magnetic recording materials, such as iron oxide, chromium dioxide, cobalt modified iron oxide, metallic magnetic powder and barium-iron-oxygen particles are reviewed.

论述了颗粒磁记录材料氧化铁、二氧化铬、钴改性的氧化铁、金属磁粉和钡铁氧体颗粒的发展和应用。

Common materials for the MTJ include chromium dioxide and iron-cobalt alloys.

制作磁隧道结的通用材料有二氧化铬和铁钴合金。

Thorium dioxide/ titanium dioxide and neodymium sesquioxide/ titanium dioxide composite thin films were prepared by sol-gel method with glass bead as carrier, and then be used in the experiment of stationary phase photocatalytic oxidation toward sodium dodecyl benzenesulfonate in aqueous solution.

以玻璃珠为载体，用溶胶-凝胶法制备二氧化钍和三氧化二钕复合二氧化钛膜对水溶液中的十二烷基苯磺酸钠进行了固定相光催化氧化实验。

The above results indicated that malignant transformation of golden hamster emb-ryo cells was directly induced by thorium dioxide in vitro.

上述结果表明钍在体外可直接诱发金黄地鼠胚胎细胞的恶性转化。

A 72 year-old man had chronic arachnoiditis after myelography with radioactive thorium dioxide many years ago.

例2,72岁，男性，多年前接受放射性二氧化钍脊髓造影，发生慢性蛛网膜炎。

Determination of thorium dioxide in thorium-tungsten alloys& Weight method

GB/T3312-1982钨钍合金中二氧化钍的测定重量法

Combined effects of thorium dioxide and thorium containing rare earth iron ore dust

呼吸道吸入天然钍（ThO2）和稀土矿尘联合作用的研究

Studies on the malignant transformation of golden hamster embryo cells induced in vitro by mixed mineral dust contained thorium dioxide

含二氧化钍的稀土混合矿尘体外诱发金黄地鼠胚胎细胞的恶性转化

The effect of the ultraviolet-visible light transmittance, doping amount of thorium dioxide and neodymium sesquioxide, pH value of the aqueous solution of sodium dodecyl benzenesulfonate and some other factors on the photodegradation rate were studied.

研究了复合膜的紫外-可见光透过性能和二氧化钍与三氧化二钕的掺杂量、十二烷基苯磺酸钠水溶液的pH值等因素对光解率的影响。

The determination process of Si in the tellurium dioxide by Silicon Molybdenum Blue Spectrophotometry is investigated.

研究二氧化碲中硅的硅钼蓝分光光度测定方法。

Raman Spectra Study of Tellurium Dioxide ( TeO_2) Crystal

二氧化碲（TeO2）晶体的Raman光谱研究