coal tar

简明释义

煤焦油

英英释义

例句

1.Environmental regulations limit the release of coal tar into waterways.

环境法规限制将煤焦油排放到水道中。

2.The production of coal tar is a byproduct of the coking process in steel manufacturing.

煤焦油的生产是钢铁制造中焦化过程的副产品。

3.Many roofing materials use coal tar for its waterproof properties.

许多屋顶材料使用煤焦油以其防水特性。

4.The doctor recommended a shampoo containing coal tar to treat my psoriasis.

医生推荐了一种含有煤焦油的洗发水来治疗我的牛皮癣。

5.Some medications for skin conditions contain coal tar as an active ingredient.

一些皮肤疾病的药物含有煤焦油作为活性成分。

作文

Coal tar is a thick, black liquid that is a byproduct of the carbonization of coal. It consists of a complex mixture of hydrocarbons and other organic compounds. The process of producing coal tar (煤焦油) involves heating coal in the absence of air, which drives off volatile substances and leaves behind a solid residue known as coke. This ancient method of extracting useful materials from coal has been utilized for centuries, particularly during the Industrial Revolution when the demand for various chemical products surged.One of the primary uses of coal tar (煤焦油) is in the production of paving materials. Its viscous nature makes it an ideal binder for asphalt, which is essential for constructing roads and highways. The durability and weather-resistant properties of coal tar (煤焦油) contribute significantly to the longevity of these surfaces, making it a preferred choice for many civil engineering projects.In addition to its use in road construction, coal tar (煤焦油) is also important in the manufacturing of various chemicals and pharmaceuticals. It serves as a raw material for producing dyes, fragrances, and even certain types of medicines. For instance, one of the most notable derivatives of coal tar (煤焦油) is phenol, which is widely used in the production of plastics and resins. Moreover, some dermatological treatments utilize coal tar (煤焦油) due to its anti-inflammatory and antipruritic properties, making it effective in treating skin conditions such as psoriasis and eczema.Despite its beneficial uses, coal tar (煤焦油) is not without controversy. The substance contains a variety of carcinogenic compounds, which raises concerns about its safety and environmental impact. The potential health risks associated with exposure to coal tar (煤焦油) have led to stricter regulations regarding its use, especially in consumer products. As a result, manufacturers are now required to provide safety data sheets and follow guidelines to minimize any adverse effects on human health and the environment.Furthermore, the environmental implications of coal tar (煤焦油) cannot be overlooked. When improperly disposed of, coal tar (煤焦油) can contaminate soil and water sources, leading to long-term ecological damage. Therefore, it is crucial to handle this substance with care and ensure that appropriate measures are taken to prevent pollution. Researchers continue to explore safer alternatives to coal tar (煤焦油) in various applications, aiming to reduce reliance on this potentially harmful material while still meeting industrial demands.In conclusion, coal tar (煤焦油) is a multifaceted substance with a rich history and a wide range of applications. From its role in road construction to its significance in chemical production and medical treatments, its importance is undeniable. However, the associated health and environmental risks necessitate careful management and ongoing research into safer alternatives. As society moves towards more sustainable practices, the future of coal tar (煤焦油) will likely evolve, reflecting our growing awareness of environmental stewardship and public health.

煤焦油是一种厚重的黑色液体，是煤炭热解的副产品。它由复杂的碳氢化合物和其他有机化合物混合而成。生产煤焦油（煤焦油）的过程涉及在无空气的情况下加热煤炭，从而驱除挥发性物质，留下被称为焦炭的固体残留物。这种从煤中提取有用材料的古老方法已经被利用了几个世纪，特别是在工业革命期间，当时对各种化学产品的需求激增。煤焦油（煤焦油）的主要用途之一是生产铺路材料。其粘稠的性质使其成为沥青的理想粘合剂，这对于建造道路和高速公路至关重要。煤焦油（煤焦油）的耐久性和抗天气特性显著提高了这些表面的寿命，使其成为许多土木工程项目的首选。除了用于道路建设外，煤焦油（煤焦油）在制造各种化学品和药品方面也很重要。它作为染料、香料，甚至某些类型药物的原材料。例如，煤焦油（煤焦油）最著名的衍生物之一是酚，广泛用于塑料和树脂的生产。此外，一些皮肤病治疗方法利用煤焦油（煤焦油），由于其抗炎和止痒特性，使其在治疗牛皮癣和湿疹等皮肤病方面有效。尽管有益于使用，但煤焦油（煤焦油）并非没有争议。这种物质含有多种致癌化合物，这引发了对其安全性和环境影响的担忧。与接触煤焦油（煤焦油）相关的潜在健康风险导致了对其使用的更严格监管，特别是在消费品中。因此，制造商现在需要提供安全数据表，并遵循指南，以尽量减少对人类健康和环境的不利影响。此外，煤焦油（煤焦油）的环境影响不容忽视。当处理不当时，煤焦油（煤焦油）可能会污染土壤和水源，导致长期生态损害。因此，妥善处理这种物质至关重要，并确保采取适当措施以防止污染。研究人员继续探索在各种应用中使用更安全的替代品，以减少对这种潜在有害材料的依赖，同时满足工业需求。总之，煤焦油（煤焦油）是一种多面性的物质，具有丰富的历史和广泛的应用。从其在道路建设中的作用到其在化学生产和医疗治疗中的重要性，其重要性不容否认。然而，相关的健康和环境风险需要谨慎管理，并持续研究更安全的替代品。随着社会向更可持续的实践迈进，煤焦油（煤焦油）的未来可能会演变，反映出我们对环境保护和公共卫生日益增长的关注。