coal tar

简明释义

煤焦油

英英释义

例句

1.The doctor recommended a shampoo containing coal tar 煤焦油 to help treat my psoriasis.

医生推荐了一种含有煤焦油 煤焦油的洗发水来帮助治疗我的牛皮癣。

2.Some medicinal ointments contain coal tar 煤焦油 to alleviate skin conditions.

一些药用软膏含有煤焦油 煤焦油以缓解皮肤病。

3.The production of coal tar 煤焦油 is a byproduct of the carbonization of coal.

生产煤焦油 煤焦油是煤炭碳化的副产品。

4.Many roofing materials use coal tar 煤焦油 for its waterproofing properties.

许多屋顶材料使用煤焦油 煤焦油来增强防水性能。

5.Environmental regulations often limit the release of coal tar 煤焦油 into waterways.

环境法规通常限制将煤焦油 煤焦油释放到水道中。

作文

Coal tar is a thick, black liquid that is a byproduct of the carbonization of coal. It is produced when coal is heated in the absence of air, a process known as destructive distillation. The resulting substance contains a complex mixture of organic compounds, including aromatic hydrocarbons, phenols, and heterocyclic compounds. 煤焦油 has been used for centuries in various applications, ranging from medicine to construction materials. One of its most notable uses is in the treatment of skin disorders such as psoriasis and eczema. The medicinal properties of 煤焦油 are attributed to its ability to reduce inflammation, slow down the rapid growth of skin cells, and relieve itching. In addition to its therapeutic benefits, 煤焦油 is also utilized in the production of roofing materials, pavements, and even dyes. Its durability and water-resistant properties make it an ideal choice for protecting structures from the elements.Historically, 煤焦油 was employed in the manufacturing of gas for street lighting in urban areas during the late 19th and early 20th centuries. As technology advanced, the use of 煤焦油 shifted towards more specialized industrial applications. For instance, it serves as a key ingredient in the production of creosote, which is used to preserve wood and prevent decay. This application is particularly important in the construction of railway ties and utility poles, where longevity and resistance to environmental factors are crucial.Despite its wide range of uses, the handling of 煤焦油 requires caution due to its potential health risks. Prolonged exposure to 煤焦油 can lead to skin irritation and other adverse health effects, including carcinogenic risks associated with some of its components. As a result, safety regulations and guidelines have been established to ensure that workers handling 煤焦油 are adequately protected.In recent years, there has been a growing interest in the environmental impact of 煤焦油 and its byproducts. The release of 煤焦油 into the environment can lead to soil and water contamination, raising concerns about its long-term effects on ecosystems and human health. Efforts are being made to develop safer alternatives and remediation techniques to mitigate these environmental risks.In conclusion, 煤焦油 is a versatile substance with a rich history of use in various industries. Its unique properties have made it invaluable in fields such as medicine, construction, and manufacturing. However, it is essential to balance the benefits of 煤焦油 with the potential health and environmental risks it poses. Ongoing research and development will play a crucial role in ensuring that 煤焦油 can be used safely and sustainably in the future.

煤焦油是一种厚重的黑色液体，是煤炭碳化的副产品。当煤在无氧环境下加热时，会产生这种物质，这个过程称为破坏性蒸馏。所得物质包含复杂的有机化合物混合物，包括芳香烃、酚类和杂环化合物。煤焦油几个世纪以来一直被用于各种应用，从医学到建筑材料。其中一个显著的用途是在治疗皮肤疾病如银屑病和湿疹方面。煤焦油的药用特性归因于其减少炎症、减缓皮肤细胞快速生长和缓解瘙痒的能力。除了其治疗益处外，煤焦油还用于生产屋顶材料、铺路材料，甚至染料。由于其耐用性和防水特性，使其成为保护结构免受自然因素侵害的理想选择。历史上，煤焦油曾被用于制造城市地区的街道照明气体，尤其是在19世纪末至20世纪初。随着技术的进步，煤焦油的使用逐渐转向更专业的工业应用。例如，它是生产木材防腐剂克里索特的重要成分，克里索特用于保护木材并防止腐烂。这一应用在铁路枕木和公用事业电杆的建造中尤为重要，因为这些地方对耐久性和抵御环境因素的要求非常高。尽管_煤焦油有广泛的用途，但处理时需要谨慎，因为它可能对健康构成风险。长期接触煤焦油可能导致皮肤刺激和其他不良健康影响，包括与其某些成分相关的致癌风险。因此，已经建立了安全法规和指导方针，以确保处理煤焦油的工人得到充分保护。近年来，人们越来越关注煤焦油及其副产品对环境的影响。将煤焦油释放到环境中可能导致土壤和水源污染，引发人们对其对生态系统和人类健康的长期影响的担忧。正在努力开发更安全的替代品和修复技术，以减轻这些环境风险。总之，煤焦油是一种多用途物质，在各个行业中具有丰富的使用历史。其独特的性质使其在医学、建筑和制造等领域不可或缺。然而，必须平衡煤焦油的益处与其潜在的健康和环境风险。持续的研究和开发将在确保煤焦油在未来能够安全和可持续使用方面发挥关键作用。