首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	perchlorate
释义	perchlorate noun per·​chlo·​rate (ˌ)pər-ˈklȯr-ˌāt  -ət : a salt or ester of perchloric acid Example Sentences Recent Examples on the Web Fireworks permitted: Cylinder fountains, cone fountains, sparklers containing no magnesium, chlorate or perchlorate; snakes containing no mercury, small smoke devices. Scott Gleeson, USA TODAY, 1 July 2022 That’s because Martian regolith is full of perchlorate, an oxidative compound that stunts plants’ growth and can be harmful to humans. Joanna Thompson, Scientific American, 2 June 2022 So far during the Biden administration, the EPA has failed to protect drinking water from toxins, such as perchlorate, and decided to go forward with Trump’s deregulatory greenhouse gas emissions rule for aircrafts. Mekedas Belayneh, The New Republic, 25 Apr. 2022 In the Southwest, perchlorate has been detected in groundwater that entered Lake Mead in Nevada. CBS News, 31 Mar. 2022 Massachusetts and California, for example, limit perchlorate in drinking water to 2 parts per billion and 6 parts per billion, respectively. CBS News, 31 Mar. 2022 Across the San Gabriel Valley, compounds like perchlorate, used in rocket fuel, and other chemicals seeped into something like 170 square miles, reaching into the aquifer serving more than a million and a half people. Los Angeles Times, 12 Oct. 2021 The monkeys at the Mesa breeding facility are drinking well water tainted with perchlorate, a contaminant leached from ponds containing rocket fuel runoff from an adjacent defense contractor. Rob O'dell, USA TODAY, 9 Oct. 2021 Agents found that Dodson had purchased 50 pounds of potassium perchlorate in the spring. John Caniglia, cleveland, 1 Oct. 2021 See More Word History Etymology International Scientific Vocabulary First Known Use 1817, in the meaning defined above Medical Definition perchlorate noun per·​chlo·​rate (ˈ)pər-ˈklō(ə)r-ˌāt, -ˈklȯ(ə)r-, -ət  : a salt or ester of perchloric acid
随便看	orange puppy orange quit Orange R orange rockfish orange roughy orange rust orange scab orange scale orange shellac orange sneezeweed orange spoon orange star orange swallowwort orange tip orange tortrix orange vermilion orange wine orange worm orange-blossom orchid orange-crowned warbler orange-flower water orange-peel bucket orange-rufous orange-sucker orange-tawny

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。