单词:principal chain
principal chain的用法和样例:
例句
- Silanes consist of a chain of silicon atoms covalently bound to hydrogen atoms.构成硅烷烃的是一条硅原子链接形成的主链和以共价键链接在主链上的氢原子。
- The effects of chain flexibility and tacticity on the glass transition of PP have also been investigated.并分析了聚丙烯主链柔顺性和立构规整度对高分子玻璃化转变的影响。
单词:principal chain 相关文章
Tina was going back to school for her third masters degree. She was a Special Education teacher, but she couldnt take her job anymore, so she had quit. The kids were out of control. There were too many of them in one classroom for her to manage effec
Grammar Girl here. Today were going to recall that the principal is indeed your pal, but well also see that a principal can be so much more. In this episode well talk about the various ways to use principlethats p-l-eand principalthats p-a-l. (These
By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills
今天我们要学的词是 chain。Chain 除了大家都知道的,有锁链的意思,还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie
COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found
RACHEL MARTIN, HOST: In North Carolina, more than 60,000 students are starting another week without school. Their districts are still taking stock of the damage caused by Hurricane Florence, and many of the students and teachers who evacuated are sti