toxicant

简明释义

英[ˈtɒksɪkənt]美[ˈtɑːksɪkənt]

n. 有毒物；[毒物] 毒药

adj. 有毒的

英英释义

单词用法

同义词

反义词

例句

1.Corticosteroids were more toxicant in late stages.

皮质类固醇的晚期毒性明显。

2.The techniques include toxicant separation, toxicant concentration, sample fractionation, instrumental analyses, toxicity tracking, correlation ect.

包括毒物的分离、浓缩、样品分级，仪器分析，毒性追踪，相关性等技术。

3.Weary is one kind of toxicant phenomenon which in the cell the chemical change derivation causes.

疲劳是细胞内化学变化衍生导致的一种中毒现象。

4.When both the nutrient and toxicant inputs are periodic functions with the same period, the periodic coexistence of populations has been investigated.

当营养输入与毒素输入均为周期变化且有共同周期时讨论了种群的周期共存性。

5.Drugs may be utilized to alter the pharmacokinetic profile of a toxicant.

可以利用药物来改变某种毒剂的药动学性质。

6.The quality of Chinese herbs was not only including the effective constituent, toxicant and content but also the heavy metals and pesticide residue.

中药质量除了自身的有效成分、有毒成分、含量明确且稳定可控外，中药中残留农药和重金属对中药质量的影响也不可忽视。

7.The toxicant ingredients and toxic indications of Pinellia tuber are discussed, and its toxic mechanisms, detoxifying methods, pharmaceutical technics are analyzed.

对生半夏的毒性成分、中毒症状进行了探讨，并分析中毒机理、解救方法、炮制工艺等。

8.Can dispel inorganic and organic pollutants as well as toxicant.

可消除无机和有机污染物、毒物。

9.Objective: Established the operating process of the "moving the tumor and repelling toxicant following meridians" to cure late tumor and analyze its clinical meaning primarily.

目的：构建“循经移疮泄毒”治疗晚期癌肿方法的操作流程，并初步分析其临床意义。

10.The factory was shut down after a leak of a hazardous toxicant 有毒物质 into the nearby river.

由于附近河流泄漏了危险的toxicant 有毒物质，工厂被关闭。

11.Cleaning products often contain toxicants 有毒物质 that can harm both humans and pets.

清洁产品通常含有可能伤害人类和宠物的toxicants 有毒物质。

12.Exposure to certain toxicants 有毒物质 can lead to serious health issues.

接触某些toxicants 有毒物质可能导致严重的健康问题。

13.The government has regulations in place to limit the release of industrial toxicants 有毒物质 into the atmosphere.

政府已制定法规，以限制工业toxicants 有毒物质排放到大气中。

14.Researchers are studying the effects of environmental toxicants 有毒物质 on wildlife.

研究人员正在研究环境toxicants 有毒物质对野生动物的影响。

作文

In our modern world, we are constantly surrounded by various substances that can have both beneficial and harmful effects on our health and environment. One such category of harmful substances is known as a toxicant (毒物). A toxicant is defined as any substance that can cause adverse effects on living organisms, including humans, animals, and plants. These substances can be found in various forms, including chemicals, pollutants, and biological agents. Understanding the impact of toxicants is crucial for safeguarding public health and preserving our ecosystem.Many common products that we use daily contain toxicants. For instance, household cleaners often include harsh chemicals that can irritate the skin or respiratory system. Pesticides used in agriculture are another example; while they are designed to protect crops from pests, they can also harm non-target species, including beneficial insects and even humans who come into contact with them. The presence of toxicants in our environment raises significant concerns about chemical exposure and its long-term effects on health.One of the most alarming aspects of toxicants is their potential to accumulate in the food chain. When toxicants enter the environment, they can be absorbed by plants, which are then consumed by herbivores. These herbivores may be eaten by carnivores, leading to a concentration of toxicants at higher trophic levels. This phenomenon, known as biomagnification, poses serious risks to wildlife and human health. For instance, mercury, a common toxicant, can accumulate in fish, making them dangerous for consumption, particularly for pregnant women and young children.In addition to environmental concerns, toxicants can also have profound effects on human health. Exposure to certain toxicants has been linked to a variety of health issues, including respiratory problems, neurological disorders, and even cancer. For example, prolonged exposure to lead, a well-known toxicant, can result in severe developmental issues in children and cognitive impairments in adults. As such, it is imperative to monitor and regulate the use of toxicants in industrial processes and consumer products.Governments and organizations worldwide are taking steps to mitigate the risks associated with toxicants. Legislation such as the Toxic Substances Control Act in the United States aims to regulate the production and use of toxicants, ensuring that they are tested for safety before being released into the market. Furthermore, public awareness campaigns educate individuals about the dangers of toxicants and encourage safer alternatives, such as eco-friendly cleaning products and organic farming practices.In conclusion, toxicants (毒物) are substances that pose significant risks to health and the environment. From household products to agricultural chemicals, the presence of toxicants in our lives cannot be ignored. It is essential for individuals, communities, and governments to work together to reduce exposure to these harmful substances and promote safer alternatives. By understanding the implications of toxicants, we can make informed choices that protect our health and the planet for future generations.