中文版

大圆沥青是什么？

大圆沥青，也被称为石油沥青，是一种黑色或暗褐色的粘性半固体物质，主要由石油加工过程中产生的残渣经过特殊加工得到。它含有多种高分子碳氢化合物及其非金属衍生物，是建筑、交通等领域中不可或缺的重要材料。

大圆沥青因其良好的粘附性、塑性和防水性能而被广泛应用。在道路建设中，大圆沥青作为路面材料的粘合剂，能够提高路面的耐久性和抗水性。在防水工程中，大圆沥青则作为防水涂料的基料，增强了涂料的防水效果。此外，大圆沥青还被用于制造油漆、油墨等产品。

带三个金字的专业都有哪些？

带有“金”字的专业涵盖了多个学科领域。在金融领域，有金融学、金融工程、金融数学等专业，这些专业培养学生掌握金融市场的运作规则、金融产品的设计与定价等核心知识。在理工科领域，有金属材料工程、冶金工程、矿物资源工程等带“金”字的专业，这些专业涉及金属材料的制备、性能优化以及矿产资源的开发利用等方面。此外，还有如金属冶炼技术、金融信息技术等专业，它们也带有“金”字，并各自具有独特的学科特点。

英文版

What is Big Circle Asphalt?

Big Circle Asphalt, also known as petroleum asphalt, is a black or dark brown viscous semi-solid substance obtained through special processing of residuals generated during the oil processing process. It consists of various high-molecular hydrocarbon compounds and their non-metallic derivatives, making it an indispensable material in construction, transportation, and other fields.

Big Circle Asphalt is widely used due to its excellent adhesive, plastic, and waterproof properties. In road construction, it serves as a binder for pavement materials, enhancing the durability and water resistance of road surfaces. In waterproofing projects, Big Circle Asphalt acts as a base material for waterproof coatings, improving their effectiveness. Additionally, it is also utilized in the manufacture of paints, inks, and other products.

What Are the Majors That Contain the Word "Gold" in Their Names?

Majors with the word "gold" in their names span multiple disciplines. In the field of finance, there are majors such as finance, financial engineering, and financial mathematics, which prepare students to master the operational rules of financial markets, the design and pricing of financial products, and other core knowledge. In the fields of science and engineering, there are majors like metallurgical engineering, mineral resources engineering, and materials engineering that involve the preparation, optimization of properties, and development and utilization of metal materials and mineral resources. Additionally, there are majors like metallurgical technology, financial information technology, and others that also contain the word "gold" and have their unique disciplinary characteristics.