兰仪，古地名，清道光四年(1824)由兰阳县与仪封县合并，属开封府。治所即今河南兰考县。宣统元年(1909)因讳皇帝溥仪之“仪”字，改为兰封县。1954年，兰封、考城二县合并，称兰考县，又以二县首字为名。
“当我很小的时候，我的父母给了我一个吉尔伯特化学仪然后我就发现它很奇妙，”兰格博士回忆着他是如何玩耍化学药物和改变他们颜色的时候说道。
"When I was a little, my parents bought me a Gilbert chemistry set and I found it fascinating," says Dr. Langer, who recalls how he kept playing with the chemicals and making colors change.
哈莉·卡特(左)，向宾州斯克兰顿市的莉斯·雷维洛展示如何在身体扫描仪中站立。
Vharie Carter, left, shows Liz Reviello of Scranton, Pa., how to position herself in a body scanner.
应用恒温导热量热仪对矿渣水泥和波特兰水泥的水化动力学进行了研究。
Kinetics of hydration for both slag cement and Portland cement were studied by using an isothermal conductive calorimeter.
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