contaminant

简明释义

英[kənˈtæmɪnənt]美[kənˈtæmɪnənt]

n. 污染物；致污物

复 数 c o n t a m i n a n t s

英英释义

单词用法

同义词

反义词

例句

1.The results show that the sintered graphite medium has the advantages of higher specific filtration surface area, larger contaminant capture capacity, and cost effective.

研究表明：烧结石墨滤料具有比表面积大、吸附能力强、孔隙率高、截污能力强、过滤周期长产水量高，基建投资省等优点。

2.Photo degradation of organic contaminant perhaps is the most prospective environmental purification technology due to its low cost, without secondary pollution and ease of processing.

光催化降解有机污染物工艺简单，成本较低，无二次污染，是最有希望的环境友好新技术。

3.In this paper, the method and some skills of drawing isogram and leeward axial graph of concentration about diffusion of contaminant in environmental forecasting are presented.

本文介绍了在大气环境影响预测分析中污染物诉散的浓度等值线图和下风向轴线浓度图的作图方法和某些技巧。

4.High purity water systems are primarily composed of austenitic stainless steel (ss) materials due to their corrosion resistant and contaminant free properties.

考虑到铬镍不锈钢(SS)的抗腐蚀和防污染性，高纯水系统基本上都是由铬镍不锈钢材料构成。

5.This paper reviews the 'current control strategies for removing the contaminants in wastepaper recycling operation. Methods for contaminant detection and measurement are also discussed.

本文论述了废纸回收利用过程中分高和控制杂质的最新措施，同时也讨论了杂质检测的方法。

6.While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.

轮轨表面的污染层也会影响粘着系数的变化，它避免了轮轨表面直接接触，有利于减少磨损。

7.Manufacturers must ensure that their products are free from harmful contaminants.

制造商必须确保他们的产品不含有害的污染物。

8.Regular testing helps identify any contaminants in our food supply.

定期检测有助于识别我们食品供应中的任何污染物。

9.The soil was found to have high levels of lead, a dangerous contaminant.

土壤被发现含有高浓度的铅，这是一种危险的污染物。

10.Air quality monitors detect various contaminants in the atmosphere.

空气质量监测器检测大气中的各种污染物。

11.The water supply was tested for any potential contaminants.

水源被检测是否有潜在的污染物。

作文

In today's world, the issue of pollution has become increasingly prevalent, and one of the most concerning aspects of this problem is the presence of various contaminants in our environment. A contaminant (污染物) is defined as any substance that makes something impure or unsuitable for use, particularly in relation to air, water, and soil quality. The sources of contaminants are numerous, ranging from industrial waste to agricultural runoff, and their impact on both human health and ecosystems is profound.One of the most common types of contaminants is chemical pollutants, which can be found in many forms. For instance, heavy metals such as lead and mercury can enter our waterways through industrial discharge and mining activities. These contaminants (污染物) not only pose serious health risks to humans, including neurological damage and developmental issues in children, but they also disrupt aquatic ecosystems, harming fish and other wildlife.Another significant category of contaminants is biological agents, including bacteria, viruses, and parasites. These microorganisms can contaminate drinking water supplies, leading to outbreaks of diseases such as cholera and dysentery. The presence of these contaminants (污染物) highlights the importance of maintaining safe water treatment practices and ensuring that sanitation standards are upheld.Furthermore, the rise of plastic pollution has introduced a new wave of contaminants into our oceans and landscapes. Microplastics, tiny particles that result from the breakdown of larger plastic items, have been found in marine life and even in the food we consume. These contaminants (污染物) can accumulate in the food chain, posing risks not only to wildlife but also to human health as they enter our diets.The effects of contaminants extend beyond health; they also have economic implications. Areas heavily affected by pollution often see a decline in tourism, reduced property values, and increased healthcare costs. For instance, communities near polluted water bodies may struggle to attract visitors, which can lead to job losses in sectors reliant on tourism. Moreover, the cost of cleaning up contaminated sites can be astronomical, placing a burden on local governments and taxpayers.Addressing the issue of contaminants requires a multifaceted approach. Governments must enforce stricter regulations on emissions and waste disposal, while industries need to adopt cleaner technologies and practices. Public awareness campaigns can educate individuals about the sources of contaminants (污染物) and encourage them to reduce their own environmental footprints. Additionally, investing in research and development can lead to innovative solutions for pollution mitigation and cleanup.In conclusion, contaminants (污染物) pose a significant threat to our health, environment, and economy. By understanding the various types of contaminants and their sources, we can take informed actions to reduce their prevalence and protect our planet for future generations. It is imperative that we work together—governments, industries, and individuals—to combat pollution and ensure a cleaner, safer world for all.

在当今世界，污染问题愈发严重，而其中最令人担忧的方面之一就是我们环境中存在的各种污染物。污染物（contaminant）被定义为任何使某物变得不纯或不适合使用的物质，尤其是与空气、水和土壤质量相关。污染物的来源众多，从工业废物到农业径流，其对人类健康和生态系统的影响深远。最常见的污染物类型之一是化学污染物，这些污染物可以以多种形式存在。例如，铅和汞等重金属可以通过工业排放和采矿活动进入我们的水道。这些污染物（contaminants）不仅对人类健康构成严重威胁，包括神经损伤和儿童发育问题，还会破坏水生生态系统，危害鱼类和其他野生动物。另一种重要的污染物类别是生物因子，包括细菌、病毒和寄生虫。这些微生物可以污染饮用水源，导致霍乱和痢疾等疾病的爆发。这些污染物（contaminants）的存在突显了维护安全水处理实践和确保卫生标准的重要性。此外，塑料污染的增加给我们的海洋和景观带来了新一波的污染物。微塑料是由较大塑料物品降解而成的微小颗粒，已在海洋生物甚至我们消费的食物中被发现。这些污染物（contaminants）可能在食物链中积累，对野生动物和人类健康构成风险，因为它们进入我们的饮食中。污染物的影响不仅限于健康；它们还具有经济影响。受污染严重的地区往往会看到旅游业下降、房产价值减少和医疗成本增加。例如，靠近污染水体的社区可能难以吸引游客，这可能导致依赖旅游业的行业失去就业机会。此外，清理被污染场地的成本可能高达天文数字，给地方政府和纳税人带来负担。解决污染物问题需要多方面的综合方法。政府必须对排放和废物处理实施更严格的法规，而行业则需要采用更清洁的技术和实践。公众宣传活动可以教育个人了解污染物（contaminants）的来源，并鼓励他们减少自身的环境足迹。此外，投资研究和开发可以为污染缓解和清理提供创新解决方案。总之，污染物（contaminants）对我们的健康、环境和经济构成重大威胁。通过理解各种类型的污染物及其来源，我们可以采取知情行动来减少它们的普遍性，保护我们星球的未来。我们必须共同努力——政府、行业和个人——以对抗污染，确保为所有人创造一个更清洁、更安全的世界。