ethylbenzene

简明释义

英[ˌeθɪlˈbenziːn]美[ˌeθɪlˈbenˈzin]

n. [有化] 乙苯

英英释义

单词用法

同义词

反义词

例句

1.The catalytic dehydrogenation of ethylbenzene to styrene in zeolite membrane reactors was studies.

采用管式沸石膜反应器，研究了乙苯脱氢反应生成苯乙烯的性能。

2.Data also suggests that the liver and kidneys may be a target of toxicity for ethylbenzene.

数据也暗示肝脏和肾脏可能是乙苯毒性攻击目标。

3.Effect of calcination condition on the water tolerant stability of ethylbenzene dehydrogenation catalyst was studied.

考察了焙烧条件对乙苯脱氢制苯乙烯催化剂耐水性能的影响。

4.The effects of temperature change on the performance of a biofilter for treating ethylbenzene.

主要考察温度变化对生物过滤塔净化含乙苯废气效果的影响。

5.The method of trace detection of benzene, toluene, ethylbenzene, and xylene(BTEX) was studied in ambient air using laser two-photon ionization.

利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。

6.The strong acid is the active site for creaking para-diethylbenzene and ethylbenzene and it has little effect on p-isomer selectivity of disproportionation and isomerization.

强酸位是对二乙苯和乙苯裂化的活性中心，而对歧化和异构化反应生成对位异构体的选择性影响不大。

7.Porous catalysts with carbon fiber for ethylbenzene dehydrogenation were prepared under the protection of nitrogen by programmed temperature controlling.

在氮气保护及程序控温条件下，制备了具有一定孔隙的炭纤维掺杂的乙苯脱氢催化剂。

8.The chemical industry often uses ethylbenzene as a precursor for the production of styrene.

化学工业常常将乙苯用作苯乙烯生产的前体。

9.Exposure to ethylbenzene can occur in workplaces where it is used as a solvent.

在使用乙苯作为溶剂的工作场所，可能会接触到这种物质。

10.The presence of ethylbenzene in air can indicate nearby industrial activity.

空气中存在乙苯可能表明附近有工业活动。

11.Safety data sheets recommend wearing protective gear when handling ethylbenzene.

安全数据表建议在处理乙苯时穿戴防护装备。

12.Researchers are studying the effects of ethylbenzene on human health.

研究人员正在研究乙苯对人类健康的影响。

作文

Ethylbenzene is a colorless, flammable liquid with an aromatic odor. It is primarily used as an industrial solvent and as a precursor in the production of styrene, which is an essential component in the manufacture of polystyrene plastics. Understanding the properties and applications of ethylbenzene (乙苯) is crucial for students and professionals in chemistry and chemical engineering fields. The chemical formula for ethylbenzene (乙苯) is C8H10, indicating that it consists of eight carbon atoms and ten hydrogen atoms. This compound is derived from benzene, where one hydrogen atom is replaced by an ethyl group (C2H5). Due to its structure, ethylbenzene (乙苯) exhibits similar properties to other aromatic hydrocarbons, such as high stability and low reactivity under normal conditions. However, it can undergo various chemical reactions, including oxidation and alkylation, making it versatile in industrial applications. One of the most significant uses of ethylbenzene (乙苯) is in the production of styrene. Styrene is vital for creating polystyrene, a widely used plastic found in packaging materials, insulation, and disposable cutlery. The process of converting ethylbenzene (乙苯) into styrene involves dehydrogenation, where hydrogen is removed from the molecule. This reaction typically occurs at high temperatures and requires specific catalysts to facilitate the process efficiently. Moreover, ethylbenzene (乙苯) serves as a solvent in various chemical reactions and formulations. Its ability to dissolve a range of organic compounds makes it valuable in paint thinners, adhesives, and coatings. The solvent properties of ethylbenzene (乙苯) allow for the easy mixing of different substances, providing a uniform consistency in products. However, despite its usefulness, there are health and environmental concerns associated with ethylbenzene (乙苯). Exposure to this compound can lead to respiratory issues, skin irritation, and even more severe health problems with prolonged contact. Therefore, safety measures must be implemented when handling ethylbenzene (乙苯) in industrial settings. Proper ventilation, protective equipment, and adherence to safety regulations are essential to minimize risks. In recent years, there has been a push towards finding alternative methods for producing styrene that reduce reliance on ethylbenzene (乙苯). Researchers are exploring biotechnological approaches and renewable resources to create styrene, aiming to lessen the environmental impact associated with traditional production methods. These innovations reflect a growing awareness of sustainability in the chemical industry. In conclusion, ethylbenzene (乙苯) plays a vital role in the chemical industry, particularly in the production of styrene and as a solvent. While it offers numerous benefits, it is essential to recognize the potential hazards associated with its use. As the industry evolves, the focus on sustainable practices will likely lead to new alternatives that could replace or reduce the need for ethylbenzene (乙苯), ensuring a safer and more environmentally friendly future in chemical manufacturing.

乙苯是一种无色、易燃的液体，具有芳香气味。它主要用作工业溶剂，以及在生产苯乙烯中的前体，苯乙烯是制造聚苯乙烯塑料的重要成分。理解ethylbenzene（乙苯）的性质和应用对化学和化学工程领域的学生和专业人士至关重要。 ethylbenzene（乙苯）的化学式为C8H10，表明它由八个碳原子和十个氢原子组成。该化合物源自苯，其中一个氢原子被一个乙基（C2H5）取代。由于其结构，ethylbenzene（乙苯）表现出与其他芳香烃相似的性质，如高稳定性和在正常条件下低反应性。然而，它可以经历各种化学反应，包括氧化和烷基化，使其在工业应用中具有多样性。 ethylbenzene（乙苯）最重要的用途之一是在苯乙烯的生产中。苯乙烯对创造聚苯乙烯至关重要，聚苯乙烯是一种广泛使用的塑料，存在于包装材料、绝缘材料和一次性餐具中。将ethylbenzene（乙苯）转化为苯乙烯的过程涉及脱氢反应，即从分子中去除氢。这一反应通常发生在高温下，并需要特定的催化剂以有效促进该过程。 此外，ethylbenzene（乙苯）还作为各种化学反应和配方中的溶剂。它能够溶解多种有机化合物，使其在油漆稀释剂、粘合剂和涂料中具有价值。ethylbenzene（乙苯）的溶剂特性使不同物质的混合变得容易，为产品提供均匀的一致性。 然而，尽管其有用，但与ethylbenzene（乙苯）相关的健康和环境问题仍然存在。接触这种化合物可能导致呼吸问题、皮肤刺激，甚至在长期接触下引发更严重的健康问题。因此，在工业环境中处理ethylbenzene（乙苯）时，必须实施安全措施。适当的通风、保护设备和遵循安全规定对于最大限度地减少风险至关重要。 近年来，业界一直在推动寻找替代方法来生产苯乙烯，以减少对ethylbenzene（乙苯）的依赖。研究人员正在探索生物技术方法和可再生资源来制造苯乙烯，旨在减少与传统生产方法相关的环境影响。这些创新反映了化学行业对可持续发展的日益关注。 总之，ethylbenzene（乙苯）在化学工业中发挥着重要作用，特别是在苯乙烯的生产和作为溶剂方面。虽然它提供了许多好处，但认识到其使用相关的潜在危害也至关重要。随着行业的发展，对可持续实践的关注可能会导致新的替代方案，从而替代或减少对ethylbenzene（乙苯）的需求，确保化学制造的未来更加安全和环保。