contaminants

简明释义

英[kənˈtæmɪnənts]美[kənˈtæmɪnənts]

n. [环境]污染物；污垢物（contaminant 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Bacterial and fungal contaminants, which may be introduced during repeated use of a multi-dose vial, would have an opportunity to grow in the partially-used vials.

多剂量瓶重复使用过程中可能带入的细菌和真菌污染物将会有机会在没有用完的瓶中生长。

2.As an added bonus, the system would also remove many contaminants, viruses and bacteria at the same time.

额外的功能是该系统同时会除去污染物，杀死病毒和病菌。

3.The cleaning of these contaminants from the stainless steel surface will facilitate the spontaneous passivation by allowing the oxygen uniform access to the surface.

通过允许氧气均衡地接触到不锈钢表面，不锈钢表面污染的清洗将会有助于自动钝化。

4.On most commercial planes, at least half of the air comes from outside the aircraft and passes through a high-efficiency particulate air, or HEPA, filter which removes contaminants

在多数商用飞机上，至少有一半空气是来自于飞机外部，而且都经过了一种高效空气净化装置的过滤。

5.Dr Ballesteros said: 'We believe the new methodology will help to provide a more effective way of determining the presence of these kinds of contaminants in milk or other products.

巴雷斯特罗斯博士说： “我们相信新的方法将有助于提供一个更有效的方式来确定在牛奶和其他物质中这些污染物的存在。”

6.Fossils are often washed together on-site in a large bath which can allow water and contaminants in the form of contemporary DNA to permeate into the porous bones.

化石通常在大浴池中进行现场清洗，这可以使水和现代DNA形式的污染物渗透到多孔骨骼中。

7.But security experts say it contains biological and chemical sensor technology, video, wireless communications, and computer software to simulate the spread of potential contaminants.

但安全专家说，它包括了生物和化学传感器技术、视频、无线通信，以及模拟潜在污染物蔓延的计算机软件。

8.Therefore, if a resistor acquires surface films from careless handling or deposits from air contaminants, it should be cleaned with a foam-tipped swab and methanol.

所以，如果由于不当的处理或空气污染物的沉积而在其表面形成薄膜，则应使用浸了甲醇的泡沫签来清洗。

9.Additionally, while the overall benefits of breastfeeding are recognized, the health of the newborn may be affected by high levels of contaminants in breast milk.

另外，虽然公认母乳喂养的总体效益，但是新生儿的健康可因母乳中污染物的含量高而受到影响。

10.To ensure safety, the food must be free from any contaminants.

为了确保安全，食物必须不含任何污染物。

11.The water supply was tested for various contaminants.

水源被检测出多种污染物。

12.Industrial waste often contains harmful contaminants that can affect the environment.

工业废物通常含有有害的污染物，可能会影响环境。

13.Regular monitoring helps to identify contaminants in the air.

定期监测有助于识别空气中的污染物。

14.The lab results showed high levels of contaminants in the soil.

实验室结果显示土壤中有高浓度的污染物。

作文

In today's world, the presence of contaminants (污染物) in our environment has become a pressing issue that affects not only human health but also the ecosystem as a whole. These contaminants (污染物) can originate from various sources, including industrial processes, agricultural practices, and even household products. Understanding the impact of these contaminants (污染物) is crucial for developing effective strategies to mitigate their effects and protect our planet.One of the most concerning types of contaminants (污染物) is chemical pollutants, which can be found in air, water, and soil. For instance, heavy metals such as lead and mercury are released into the environment through mining activities and industrial waste. These contaminants (污染物) can accumulate in the food chain, posing serious health risks to both wildlife and humans. Studies have shown that exposure to these toxic substances can lead to neurological disorders, developmental delays in children, and various chronic diseases.Another significant category of contaminants (污染物) is biological pollutants, which include bacteria, viruses, and parasites. These contaminants (污染物) often enter our water supply through inadequate sanitation and wastewater treatment facilities. The presence of these harmful microorganisms can result in waterborne diseases, impacting public health and straining healthcare systems. To combat this issue, it is essential to invest in proper sanitation infrastructure and promote hygiene education in communities.Plastic pollution is another form of contaminants (污染物) that has garnered global attention. Single-use plastics, such as bags, bottles, and straws, contribute significantly to environmental degradation. When these materials are improperly disposed of, they break down into microplastics, which can infiltrate our oceans and harm marine life. Marine animals often mistake these contaminants (污染物) for food, leading to ingestion and entanglement. This not only threatens biodiversity but also disrupts entire ecosystems.The effects of contaminants (污染物) extend beyond environmental damage; they also have economic implications. Communities affected by pollution often face decreased property values, increased healthcare costs, and loss of tourism revenue. Furthermore, the cleanup of contaminated sites requires substantial financial resources, which could be better allocated to other pressing needs. Therefore, addressing the issue of contaminants (污染物) is not just an environmental concern but an economic necessity as well.To effectively tackle the problem of contaminants (污染物), a multi-faceted approach is required. Governments, industries, and individuals must work together to implement policies that reduce emissions and promote sustainable practices. For example, transitioning to renewable energy sources can significantly decrease the release of chemical contaminants (污染物) into the atmosphere. Additionally, increasing public awareness about the importance of reducing plastic use can help minimize plastic waste and its associated contaminants (污染物).In conclusion, the presence of contaminants (污染物) in our environment poses a significant threat to health, ecosystems, and economies. By understanding the sources and effects of these contaminants (污染物), we can take informed actions to protect our planet for future generations. It is imperative that we prioritize environmental health and work towards a cleaner, safer world, free from harmful contaminants (污染物).

在当今世界，环境中存在的contaminants（污染物）已成为一个紧迫的问题，影响着人类健康以及整个生态系统。这些contaminants（污染物）可以来自各种来源，包括工业过程、农业实践，甚至家庭产品。理解这些contaminants（污染物）的影响对于制定有效的策略以减轻其影响并保护我们的星球至关重要。最令人担忧的contaminants（污染物）类型之一是化学污染物，这些污染物可以在空气、水和土壤中找到。例如，重金属如铅和汞通过采矿活动和工业废物释放到环境中。这些contaminants（污染物）可以在食物链中积累，对野生动物和人类构成严重健康风险。研究表明，接触这些有毒物质可能导致神经系统疾病、儿童发育迟缓以及各种慢性疾病。另一个重要的contaminants（污染物）类别是生物污染物，包括细菌、病毒和寄生虫。这些contaminants（污染物）通常通过不充分的卫生和废水处理设施进入我们的水源。这些有害微生物的存在可能导致水传播疾病，影响公共健康并给医疗系统带来压力。为了应对这一问题，投资于适当的卫生基础设施并在社区中推广卫生教育至关重要。塑料污染是另一个受到全球关注的contaminants（污染物）形式。一次性塑料，如购物袋、瓶子和吸管，显著地导致了环境退化。当这些材料处理不当时，它们会分解成微塑料，这些微塑料可能渗入我们的海洋并危害海洋生物。海洋动物常常将这些contaminants（污染物）误认为食物，导致误食和缠绕。这不仅威胁到生物多样性，还扰乱了整个生态系统。contaminants（污染物）的影响超出了环境损害；它们还具有经济影响。受污染影响的社区往往面临房产价值下降、医疗费用增加和旅游收入损失。此外，清理受污染地点需要大量财政资源，这些资源本可以更好地分配给其他紧迫需求。因此，解决contaminants（污染物）问题不仅是环境问题，也是经济必要。要有效应对contaminants（污染物）问题，需要采取多方面的方法。政府、行业和个人必须共同努力，实施减少排放和促进可持续实践的政策。例如，转向可再生能源可以显著减少化学contaminants（污染物）排放到大气中的数量。此外，提高公众对减少塑料使用重要性的认识可以帮助尽量减少塑料废物及其相关的contaminants（污染物）。总之，环境中存在的contaminants（污染物）对健康、生态系统和经济构成重大威胁。通过了解这些contaminants（污染物）的来源和影响，我们可以采取明智的行动，以保护我们的星球，为后代创造一个更清洁、更安全的世界，远离有害的contaminants（污染物）。