ethylene

简明释义

英[ˈeθɪliːn]美[ˈeθɪliːn]

n. 乙烯

英英释义

单词用法

同义词

反义词

例句

1.Vodka stunts ethylene production, thereby helping flowers stay wilt-free longer.

伏特加可以抑制乙烯的产生，以此让鲜花的枯萎时间延后。

2.The direct effect of ethylene on lipase activity and its mechanism have been studied.

研究了乙烯对脂肪酶活力的直接作用及其机理。

3.They've developed these sensors that can detect tiny amounts of ethylene.

他们已经开发了这些传感器，可以检测到微量的乙烯。

4.Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.

生长素还能使植物形成维管系统，形成侧根，并产生乙烯。

5.Apples, for example, release ethylene gas, a plant hormone. It can cause other foods to ripen too quickly.

例如，苹果释放乙烯气体——一种植物激素，会引起其它食品过早成熟而腐烂。

6.Fruits that release a lot of ethylene also include apricots, melons and tomatoes.

大量释放乙烯的水果还包括杏子、瓜果和番茄。

7.Polymers of ethylene, in primary forms.

初级形状的乙烯聚合物。

8.The production of polyethylene involves the polymerization of ethylene 乙烯.

聚乙烯的生产涉及到乙烯 乙烯的聚合反应。

9.Fruits produce ethylene 乙烯 gas, which helps in ripening.

水果会产生乙烯 乙烯气体，帮助成熟。

10.In industrial applications, ethylene 乙烯 is used as a feedstock for various chemicals.

在工业应用中，乙烯 乙烯被用作多种化学品的原料。

11.The use of ethylene 乙烯 in agriculture can enhance crop yields.

在农业中使用乙烯 乙烯可以提高作物产量。

12.Safety precautions are necessary when handling ethylene 乙烯 due to its flammable nature.

处理乙烯 乙烯时需要采取安全预防措施，因为它具有可燃性。

作文

Ethylene is a colorless gas that plays a crucial role in various biological and industrial processes. It is known scientifically as C2H4, and it is the simplest alkene. In nature, ethylene（乙烯） is produced by plants, particularly during the ripening of fruits. This gas acts as a hormone, signaling the plant to initiate the ripening process, which involves changes in color, texture, and flavor. For instance, bananas release ethylene（乙烯） as they ripen, which is why placing an unripe banana in a bag with ripe ones can speed up the ripening process of the former. This natural phenomenon has significant implications for agriculture and food storage, as understanding ethylene（乙烯） production can help reduce waste and improve the quality of fruits and vegetables. In the industrial sector, ethylene（乙烯） is one of the most important raw materials in the production of plastics and chemicals. It is used to manufacture polyethylene, which is one of the most widely used plastics in the world. Polyethylene is found in countless everyday items, from plastic bags to bottles and toys. The versatility of ethylene（乙烯） allows it to be polymerized into various forms, making it adaptable for different applications. Moreover, the production of ethylene（乙烯） is a significant part of the petrochemical industry, where it is derived from the thermal cracking of hydrocarbons. The environmental impact of ethylene（乙烯） production and use cannot be overlooked. While ethylene（乙烯） itself is not considered a greenhouse gas, its production process often involves fossil fuels, contributing to carbon emissions. Additionally, the widespread use of plastic products made from ethylene（乙烯） poses challenges related to waste management and pollution. Efforts are being made to develop more sustainable practices, such as bioplastics derived from renewable resources, which can help mitigate some of these environmental concerns. Furthermore, ethylene（乙烯） has applications beyond agriculture and industry. In the medical field, it is used in certain sterilization processes due to its ability to kill bacteria and viruses. Ethylene oxide, a compound derived from ethylene（乙烯），is a potent sterilizing agent that is effective against a wide range of pathogens. However, safety precautions must be taken when handling this gas, as it is flammable and can be toxic at high concentrations. In conclusion, ethylene（乙烯） is a multifaceted compound with significant implications across various fields. Its role in plant biology highlights its importance in agriculture, while its industrial applications underscore its relevance in modern manufacturing processes. As we continue to explore sustainable alternatives and address environmental challenges, understanding the properties and uses of ethylene（乙烯） will be essential for future innovations. By balancing the benefits of ethylene（乙烯） with responsible practices, we can harness its potential while minimizing its impact on the planet.

乙烯是一种无色气体，在各种生物和工业过程中发挥着至关重要的作用。它的化学式为C2H4，是最简单的烯烃。在自然界中，ethylene（乙烯）主要由植物产生，尤其是在水果成熟期间。这种气体作为一种激素，向植物发出信号，启动成熟过程，这涉及颜色、质地和风味的变化。例如，香蕉在成熟时释放ethylene（乙烯），这就是为什么将未成熟的香蕉放入与成熟的香蕉一起的袋子中可以加速前者的成熟过程。这种自然现象对农业和食品储存具有重要意义，因为理解ethylene（乙烯）生产可以帮助减少浪费，提高水果和蔬菜的质量。 在工业部门，ethylene（乙烯）是生产塑料和化学品的重要原料之一。它用于制造聚乙烯，这是世界上使用最广泛的塑料之一。聚乙烯存在于无数日常用品中，从塑料袋到瓶子和玩具。ethylene（乙烯）的多功能性使其能够聚合成不同形式，使其适用于不同的应用。此外，ethylene（乙烯）的生产是石化工业的重要组成部分，它是通过热裂解烃类衍生出来的。 ethylene（乙烯）生产和使用的环境影响不容忽视。虽然ethylene（乙烯）本身不被认为是温室气体，但其生产过程通常涉及化石燃料，导致碳排放。此外，由ethylene（乙烯）制成的塑料产品的广泛使用带来了废物管理和污染方面的挑战。正在努力开发更可持续的实践，例如源自可再生资源的生物塑料，这可以帮助减轻一些环境问题。 此外，ethylene（乙烯）在农业和工业之外还有应用。在医学领域，由于其能够杀死细菌和病毒，因此用于某些灭菌过程。乙烯氧化物是从ethylene（乙烯）衍生的化合物，是一种有效的灭菌剂，对多种病原体有效。然而，在处理这种气体时必须采取安全预防措施，因为它易燃且在高浓度下可能具有毒性。 总之，ethylene（乙烯）是一种多面化合物，在各个领域具有重要意义。它在植物生物学中的作用突显了其在农业中的重要性，而其工业应用则强调了其在现代制造过程中的相关性。随着我们继续探索可持续替代方案并应对环境挑战，理解ethylene（乙烯）的特性和用途将对未来的创新至关重要。通过平衡ethylene（乙烯）的好处与负责任的实践，我们可以利用其潜力，同时最小化其对地球的影响。