polyethylene

简明释义

英[ˌpɒliˈeθəliːn]美[ˌpɑːliˈeθəliːn]

聚乙烯 (PE)

英英释义

单词用法

同义词

反义词

例句

1.This is what happens when polyethylene molecules come through a die at the end of an extrusion process.

这就是当聚乙烯分子在挤压最后过程通过模具时发生的情况。

2.Polyethylene is also easy-to-clean and stain resistant.

聚乙烯容易清洗且耐脏。

3.As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.

作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。

4.Common ingredients likely to be contaminated with 1, 4-dioxane include PEG-100 stearate, sodium laureth sulfate, polyethylene and ceteareth-20.

常见的有可能造成14-二恶烷污染的原料包括聚乙二醇硬脂酸酯、月桂醇聚醚硫酸酯钠盐、聚乙烯和鲸蜡硬脂醇聚醚-20。

5.Any of these Numbers mean the plaything is made from polyethylene, a safe BPA - and phthalate-free plastic, making it a healthy toy to take home.

任何标有“1”、“2”或者“4”的玩具都是用一种叫做聚乙烯的塑料做的，用这种塑料做的玩具不含任何的BPA和邻苯二甲酸类物质，非常安全，你可以放心地把它带回家。

6.Polyethylene has been widely used in power cables and electrical equipments because of its excellent insulating and mechanical properties.

聚乙烯因其良好的绝缘性能和机械性能，广泛应用于电力电缆及电气设备绝缘领域。

7.In fact, polyethylene is so ubiquitous that it's hard to imagine life without it.

实际上，聚乙烯在生活中应用如此之广，很难想象哪里可以缺得了它。

8.Remnants of the first layer of fusion bonded epoxy, or liquid epoxy may remain adjacent to the edge of the polyethylene.

熔结环氧树脂第一层的残余物或液体环氧树脂可能仍残留在邻近聚乙烯材料的边缘。

9.Many plastic bags are made from low-density polyethylene to ensure they are lightweight.

许多塑料袋是由低密度聚乙烯制成的，以确保它们轻便。

10.The insulation of electrical wires often involves polyethylene due to its excellent dielectric properties.

电线的绝缘通常涉及聚乙烯，因为它具有优良的介电性能。

11.In construction, polyethylene sheets are used as vapor barriers to prevent moisture infiltration.

在建筑中，聚乙烯薄膜被用作防潮屏障，以防止湿气渗入。

12.The production of bottles and containers often utilizes high-density polyethylene for strength.

瓶子和容器的生产通常使用高密度聚乙烯以增强强度。

13.The packaging industry widely uses polyethylene for its durability and flexibility.

包装行业广泛使用聚乙烯，因为它耐用且灵活。

作文

Polyethylene, a widely used plastic, has become an integral part of our daily lives. This versatile polymer is primarily derived from the polymerization of ethylene, a gaseous compound that is produced from natural gas or petroleum. Its unique properties make polyethylene (聚乙烯) suitable for various applications, ranging from packaging materials to construction components.The most common form of polyethylene (聚乙烯) is low-density polyethylene (LDPE), which is known for its flexibility and resilience. LDPE is often used in plastic bags, food wrap, and squeeze bottles. On the other hand, high-density polyethylene (HDPE) is more rigid and is commonly found in products such as milk jugs, detergent bottles, and piping. The difference in density affects not only the physical properties of polyethylene (聚乙烯) but also its environmental impact.One of the significant advantages of polyethylene (聚乙烯) is its resistance to moisture, chemicals, and UV radiation, making it an ideal choice for outdoor applications. For instance, HDPE is often used in the manufacturing of outdoor furniture and playground equipment. Furthermore, polyethylene (聚乙烯) is lightweight, which contributes to lower transportation costs and energy consumption during shipping.Despite its many benefits, the widespread use of polyethylene (聚乙烯) raises concerns regarding environmental sustainability. As a non-biodegradable material, polyethylene (聚乙烯) can persist in the environment for hundreds of years. This has led to increasing amounts of plastic waste in landfills and oceans, posing a threat to wildlife and ecosystems. To combat this issue, researchers and manufacturers are exploring biodegradable alternatives and recycling methods to reduce the environmental footprint of polyethylene (聚乙烯).Recycling programs for polyethylene (聚乙烯) have gained momentum in recent years, with many communities implementing systems to collect and process plastic waste. Recycled polyethylene (聚乙烯) can be repurposed into various products, including trash bags, flooring, and even new containers. However, the effectiveness of recycling depends on public participation and proper sorting of materials, as contamination can hinder the recycling process.In conclusion, polyethylene (聚乙烯) is a remarkable material that plays a crucial role in modern society. Its versatility and practicality make it indispensable in numerous industries. However, as we continue to rely on polyethylene (聚乙烯), it is essential to address the environmental challenges associated with its use. By promoting recycling and developing sustainable alternatives, we can mitigate the negative impacts of polyethylene (聚乙烯) on our planet, ensuring that future generations can benefit from its many applications without compromising the health of the environment.

聚乙烯是一种广泛使用的塑料，已成为我们日常生活中不可或缺的一部分。这种多功能聚合物主要由乙烯的聚合反应制成，乙烯是一种从天然气或石油中产生的气体化合物。其独特的性质使得聚乙烯适用于各种应用，从包装材料到建筑组件。最常见的聚乙烯形式是低密度聚乙烯（LDPE），以其灵活性和韧性而闻名。LDPE通常用于塑料袋、食品包装和挤压瓶。另一方面，高密度聚乙烯（HDPE）更为坚硬，常见于牛奶瓶、洗涤剂瓶和管道中。密度的差异不仅影响聚乙烯的物理特性，还影响其对环境的影响。聚乙烯的一个显著优点是其对潮湿、化学品和紫外线辐射的抵抗力，使其成为户外应用的理想选择。例如，HDPE常用于制造户外家具和游乐设备。此外，聚乙烯轻便的特性有助于降低运输成本和运输过程中的能耗。尽管聚乙烯有许多好处，但其广泛使用引发了关于环境可持续性的担忧。作为一种不可生物降解的材料，聚乙烯在环境中可能持续数百年。这导致垃圾填埋场和海洋中塑料废物的增加，对野生动物和生态系统构成威胁。为了应对这一问题，研究人员和制造商正在探索可生物降解的替代品和回收方法，以减少聚乙烯的环境足迹。近年来，聚乙烯回收计划获得了动力，许多社区实施了收集和处理塑料废物的系统。回收的聚乙烯可以重新加工成各种产品，包括垃圾袋、地板，甚至新的容器。然而，回收的有效性依赖于公众参与和材料的正确分类，因为污染会阻碍回收过程。总之，聚乙烯是一种出色的材料，在现代社会中发挥着至关重要的作用。其多功能性和实用性使其在众多行业中不可或缺。然而，随着我们继续依赖聚乙烯，必须解决与其使用相关的环境挑战。通过促进回收和开发可持续的替代品，我们可以减轻聚乙烯对我们星球的负面影响，确保未来几代人能够受益于其众多应用，同时不损害环境的健康。