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1·This paper discusses the effects of the boiling range of the reforming feedstock on aromatics extraction.

本文论述了重整原料油馏分范围对芳烃抽提效果的影响。

2·Yambajan is famous for its wide range of hot springs, from ones with the highest temperatures in the country to boiling geysers.

羊八井，以拥有包括全中国温度最高的温泉以及间歇泉在内的大量温泉而著名。

3·Tantalum is used across the entire concentration range at atmospheric boiling and above.

钽适用于常压沸点及沸点以上的整个浓度范围；

4·Modern refining techniques produce solvents with a high degree of purity and stability in a wide range of grades and boiling points.

现代炼油技术可生产各种高纯度和高稳定性的溶剂，并有多种牌号及很宽的沸点范围。

5·Catalyst for promoting rearrangement of hydrocarbon molecules in a gasoline boiling-range feedstock to form desired product in catalytic reforming process.

促进汽油沸程原料烃类分子重排以生成催化重整过程所要求产物所用的催化剂。

6·Probably the most widely used medium is a high-boiling petroleum fraction, usually in the gas-oil range.

最广泛使用的介质可能一般采用瓦斯油沸程内的高沸点石油馏分。