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。

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

呼吸道 吸入 天然 钍 （ ThO 2）和稀土矿尘联合作用的研究

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

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 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。

Synthesis and characterization of solid complex of thorium nitrate with 2 2 ' - biquinoline-n n ' - dioxide

2′-联喹啉-N，N′- 二氧化物与硝酸 钍固态配合物的合成及性质研究

Determination of Trace Beryllium and thorium in uranium dioxide

二氧化铀中微量铍和 钍的测定

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。