particulate

简明释义

英[pɑːˈtɪkjələt]美[pɑːrˈtɪkjələt]

adj. 微粒的

n. 微粒，微粒状物质

复 数 p a r t i c u l a t e s

比 较 级 m o r e p a r t i c u l a t e

最 高 级 m o s t p a r t i c u l a t e

英英释义

单词用法

同义词

反义词

例句

1.Particulate matter, particularly black carbon from cooking fires and coal-fired plants in India, is the real culprit.

悬浮微粒、特别是印度地区，生产和生活燃煤所带来的炭黑，才是真正的元凶。

2.Fine particulate matter - particles smaller than 2.5 micrometers - can evade hairlike projections in the nose and trachea that trap larger particles.

细颗粒物——小于2.5微米的颗粒——能躲过鼻子和气管中绒毛的保护作用。

3.We tell you not only are they teeming with life, but the planets and stars and the space particulate between are themselves all conscious beings.

我们告诉你，不只那些(有形体)上满布着生命体，而且行星、星体和空间微粒之间也满布着有意识的存有。

4.Most biological particulate filters remove particle sizes as small as 0.3 microns.

多数生物微粒过滤器可以除去0.3微米以上的微粒。

5.The feasibility of preparation of particulate activated carbon from char of cocoa nut husk by water vapour microwave was studied.

研究了以椰壳炭化料为原料，采用水蒸气微波法制备颗粒活性炭的可行性。

6.Estimates suggest that for every cubic meter of vent discharge, 350 milligrams of particulate organic material would be advected into the vent area.

据估计，每立方米排气口所排出的物质中，就有350毫克的有机颗粒物质被平流输送到排气口区域。

7.The Clean Air Act mandates the EPA to regulate harmful pollutants such as particulate matter and ozone.

《清洁空气法》授权美国环保局监管有害污染物，如微粒物质和臭氧。

8.The air quality in the city is affected by high levels of particulate 颗粒物 pollution.

城市的空气质量受到高水平的颗粒物污染的影响。

9.Researchers are studying the effects of particulate 颗粒物 matter on human health.

研究人员正在研究颗粒物对人类健康的影响。

10.The particulate 颗粒物 emissions from vehicles contribute to smog formation.

车辆排放的颗粒物会导致雾霾形成。

11.Filters in air purifiers are designed to capture particulate 颗粒物 pollutants.

空气净化器中的过滤器旨在捕捉颗粒物污染物。

12.The study found a correlation between particulate 颗粒物 exposure and respiratory diseases.

研究发现颗粒物暴露与呼吸系统疾病之间存在关联。

作文

Air quality is a pressing concern in many urban areas, and one of the primary contributors to poor air quality is particulate matter. Particulate matter consists of tiny solid or liquid particles suspended in the air, which can originate from various sources such as vehicle emissions, industrial processes, and natural events like wildfires. These particulate pollutants can vary in size, composition, and origin, making them a complex issue for environmental scientists and public health officials alike. The health effects of particulate matter are well-documented. Studies have shown that prolonged exposure to high levels of particulate pollution can lead to respiratory diseases, cardiovascular problems, and even premature death. Vulnerable populations, including children, the elderly, and individuals with pre-existing health conditions, are particularly at risk. This has led to increased public awareness and calls for stricter regulations on emissions that contribute to particulate pollution. Governments and organizations around the world are taking steps to address the issue of particulate matter. Many cities have implemented measures to reduce emissions from transportation by promoting public transit, cycling, and walking. Additionally, there are initiatives aimed at improving the energy efficiency of buildings and encouraging the use of cleaner technologies in industries. These efforts are crucial in reducing the levels of particulate matter in the air we breathe. Another important aspect of tackling particulate pollution is public education. People need to be informed about the sources and dangers of particulate matter so they can make better choices for their health and the environment. For instance, during times of high particulate levels, individuals may be advised to stay indoors, limit outdoor activities, and use air purifiers to reduce indoor particulate concentration. Research continues to play a vital role in understanding particulate matter and its effects. Scientists are studying the chemical composition of particulate pollutants to identify their sources and determine how they interact with the environment and human health. This knowledge is essential for developing effective policies and technologies to mitigate particulate pollution. In conclusion, particulate matter is a significant environmental and health challenge that requires concerted efforts from governments, organizations, and individuals. By understanding the sources and impacts of particulate pollution, we can work together to create cleaner air and healthier communities. The fight against particulate matter is not just about improving air quality; it is about safeguarding our health and the planet for future generations.

空气质量是许多城市地区面临的紧迫问题，而造成空气质量下降的主要因素之一就是颗粒物。颗粒物是指悬浮在空气中的微小固体或液体颗粒，这些颗粒可以来自各种来源，例如汽车排放、工业过程以及自然事件如野火。这些颗粒物污染物在大小、成分和来源上各不相同，使得它们成为环境科学家和公共卫生官员面临的复杂问题。 长期暴露于高浓度的颗粒物污染中对健康的影响已被充分记录。研究表明，长期接触高水平的颗粒物污染可能导致呼吸系统疾病、心血管问题，甚至过早死亡。儿童、老年人和有既往健康状况的人群尤其容易受到影响。这导致了公众意识的提高和对更严格的排放法规的呼声。 世界各地的政府和组织正在采取措施来应对颗粒物污染的问题。许多城市已经实施了减少交通排放的措施，提倡公共交通、自行车和步行。此外，还有旨在提高建筑能效和鼓励工业使用更清洁技术的举措。这些努力对于降低我们呼吸的空气中颗粒物的水平至关重要。 解决颗粒物污染的另一个重要方面是公众教育。人们需要了解颗粒物的来源和危害，以便做出更好的健康和环境选择。例如，在高颗粒物水平时期，人们可能会被建议待在室内，限制户外活动，并使用空气净化器来降低室内颗粒物浓度。 研究在理解颗粒物及其影响方面继续发挥着至关重要的作用。科学家们正在研究颗粒物污染物的化学成分，以识别其来源并确定它们如何与环境和人类健康相互作用。这些知识对于制定有效的政策和技术以减轻颗粒物污染至关重要。 总之，颗粒物是一项重大的环境和健康挑战，需要政府、组织和个人的共同努力。通过了解颗粒物污染的来源和影响，我们可以共同努力创造更清洁的空气和更健康的社区。与颗粒物的斗争不仅仅是改善空气质量；它关乎保护我们的健康和为未来的世代维护地球。