quaternary

常見(jiàn)例句

In their study, the scientists looked at quaternary ammonium compounds (QACs) that are used in many household cleaning goods.
在他們的研究中，科學(xué)家驗(yàn)證了在許多家居清潔產(chǎn)品中使用的季銨鹽化合物。
"It is a long time coming and marks a turning of the tide in how we approach these extinctions of the Late Quaternary," she says.
她指出：“這標(biāo)志著在接下來(lái)的很長(zhǎng)一段時(shí)間內(nèi)，我們將轉(zhuǎn)向如何處理晚第四紀(jì)的滅絕。
The most powerful of feedbacks in the Arctic is sea ice and snow cover, said Miller, the lead author on a paper about past "Arctic amplification" in the journal Quaternary Science Reviews.
在北極，反饋?zhàn)顝?qiáng)的莫過(guò)于海冰和積雪，米勒說(shuō)，他是第四紀(jì)科學(xué)評(píng)論雜志中關(guān)于過(guò)去“北極的放大效應(yīng)”一文的主要作者。

Studies by the International Union for Quaternary Research conclude that some ocean levels have even fallen in recent decades.
FORBES: Hot Sensations Vs. Cold Facts
Together with our colleagues of the INQUA (International Union for Quaternary Research) focus area group on palaeoseismology and active tectonics, IGCP 567 started a new tradition of joint field workshops.
UNESCO: Tales set in Stone: learning from ancient earthquakes
There, the scientists themselves report that the anti-microbial agent has been known and used for years—a cationic polymer, like quaternary polyetheleneimine, which kills bacteria by tinkering with the molecular integrity of cell membranes.
FORBES: New Antibacterial Clothing: Secret Ingredient Revealed