The spectral fluorescent signatures technique uses a fluorescent lamp to generate both visible and ultraviolet light in a 4 ml water sample. The reflected light is read by a computer that can distinguish six types of...
FISH EMBRYOS USED TO DETECT POTENTIALLY HARMFUL CHEMICALS IN WATER.The article reports on the use of fish embryos to detect the presence of potentially harmful chemicals in water by researchers at the Purdue University in Indiana. According to the press release by Purdue, the process detected the...
这里，"harmful" 分别修饰了名词 "smoking" 和 "chemicals"，强调了它们的危害性质。三、Harmful的常见搭配 "Harmful" 可以与各种名词和动词短语搭配使用，以更具体地描述有害性质。以下是一些常见的搭配：Harmful to...：这些表达方式强调了某事物对特定对象的危害性。"Harmful to health"（对健康有害）"Harmful ...
- "be harmful to" 表示某事物对另一事物有害。强调的是影响的对象。 - "be harmful for" 表示某事物对某人或某物有害。强调的是受害者。 例句: 1. Smoking is harmful to your health. (吸烟对你的健康有害。) 2. The toxic chemicals in the water are harmful to marine life. (水中的有毒化学物...
12.These include plants that have sensors printed onto theirleaves to show when they're short of water and a plant thatcan detect harmful chemicals in groundwater.【2020全国I卷D篇】2. These include plants that have sensors printed onto their leaves to show when they're short of water and ...
Some fish may contain harmful chemicals, which can be the result of both natural causes and water pollution. Mercury (水银) is a poisonous chemical, which not only occurs naturally in oceans and the Earth’s crust (地壳), but also comes from man-made sources, such as farm chemicals, burni...
Then they will become some harmful chemicals falling on the ground with rain and pollute the land and water. To control air pollution, there are many ways. Developing energy friendly to the environment is very popular in many countries. China, for example, is trying hard to make use of ...
1.Advances in determination of harmful chemical substances in toys玩具有害化学物质检测进展 英文短句/例句 1.In predators that ate the fish, the chemical accumulated.当捕食者吃了鱼后,有害化学物质在体内积累。 2.These facilities release up to one hundred tons of chemicals a year.这些工厂一年要排放...
. Water pollution includes soil erosion.(5) The main idea of this passage should be ___. . to introduce the kinds of pollution and the ways to control it . to introduce the harmful chemicals and soil erosion . to introduce the alternative energy and the ways to use it 相关知识点:...