结论成功的合成了所设计的标题化合物，有助于新一代四碘苯类非离子型X线造影剂的研制。
CONCLUSION The successful synthesis of the new compound is helpful to the new generational research of tetraiodobenzene series X-ray contrast agent.
方法以1，4-丁烯二醇为原料，经过酯化、环氧化、氨解开环，再与四碘对苯二甲酰氯反应合成目标产物。
METHODS The title compound was synthesized from 2-butene-1,4-diol, via esterification, epoxidation, amination, then amidation with tetraiodoterebenzoyl chloride.
但是，尽管大多数人能获得足够的热量，他们仍然有很大的饮食不良，尤其是在四种营养素方面：铁，锌，碘和维生素a。
But although most people get enough calories, they still suffer huge deficiencies, especially in four nutrients: iron, zinc, iodine and vitamin a.
福岛市官员也说，他们在饮水中发现了碘、铯- 135和铯- 137，约为不适于饮用水平的四分之一。
Officials at Fukushima City also said that they found iodine, cesium-135 and cesium-137 in drinking water, at about one-quarter the levels that would make the water unfit to drink.
更令人担忧的是一些释放出的颗粒状放射性化学物质，这些颗粒仅仅是沙粒大小的四分之一，它们包括碘- 131、锶- 90和铯- 137。
Far more worrying are several radioactive chemicals released as particles about one-quarter the size of a grain of sand. These include iodine-131, strontium-90 and cesium-137.
以1，4-二氯丁烷和硫化钠为原料，碘为催化剂，乙醇为溶剂合成了四氢噻吩。
Tetrahydrothiophene was synthesized using iodine as a catalyst from 1,4-dichlorobutane and sodium sulfide.
基于碘对荧光试剂四环素的荧光熄灭，建立了测定微量碘的荧光分析方法。
It was based on effect of on the fluorescence quench of Tetracycline solution.
基于碘对荧光试剂四环素的荧光熄灭，建立了测定微量碘的荧光分析方法。
It was based on effect of on the fluorescence quench of Tetracycline solution.
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