速英语 / “铵”造句

“铵”造句

2024年03月01日 00:54:37
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.
The aziridinium ions must all be opened by a concerted process.

阳离子表面活性剂通常为季铵盐类.
Cationics are usually quaternary ammomium salts.

反 离子通常是钠, 钾和铵.
The usual counter - ions are sodium, potassium and ammonium.

相关问题
最新发布

  • customary造句

    They interrupted the customary one minute's silence with jeers and shouts.他们讥讽着，喊叫着，打破了惯常的那一分钟沉默。She found her customary self-possession had deserted her.她发现自己不像平时那样处事不惊了。The king carried himself with his customary ...
    2026年06月30日

  • Nabokov怎么读

    Nabokov的音标：...
    2026年06月30日

  • dichlorodinitromethane什么意思？

    n.二氯二硝基甲烷...
    2026年06月30日

  • necessities造句

    Except for what he spent on haircuts, books and daily necessities he never wasted a penny.除了理发 、 买书和必要的日用品之外,他从不浪费一分钱.FLOWERS and coconut leaves are daily necessities in Balinese life.花和椰叶,为巴厘人生活中不可或缺的素材.Modest, with sim...
    2026年06月30日

  • Moulded例句

    Strips of wood are bonded together and moulded by machine.木板条被黏合在一起并用机器压模成型。The boy moulded clay into balls.这男孩把黏土做成球.They moulded a figure in clay.他们用模子做泥塑人像....
    2026年06月30日

  • distraught例句

    I was distraught and let out a bellow of tearful rage.我心烦意乱，流着眼泪发了一通火。Weeks after the accident she remained distraught.事故过去几周了,可她仍是心神不安.She sounded absolutely distraught.听上去她完全心慌意乱....
    2026年06月30日

  • virgin的近义词/同义词有哪些

    virgin的近义词/同义词有：unused, unspoilt, green, spotless, new, untained, original, pure, fresh, pristine, youthful, new, green, original, firsthand, pure, unused, maiden, adolescent, spotless, fresh, beginner。adj.virgin的近义词（纯洁的...
    2026年06月30日

  • resemblances例句

    Despite these superficial resemblances, this is a darker work than her earlier novels.尽管表面上有一些相似之处，但这本著作实际要比她以前的小说悲观。These little resemblances opened a long hidden view of sensations.这种小事上的类比唤起他久已忘怀的感情.Hypergolic ignitio...
    2026年06月30日

  • sightseers造句

    Sightseers arrived from all points of the compass.观光者来自四面八方。...a party of sightseers.一群观光客Every quarter of an hour the railway brought fresh accessions of sightseers.坦帕铁路每隔一刻钟载来一批看热闹的群众.Curious sightseers rolled up in th...
    2026年06月30日

  • microprogrammed什么意思解释

    adj.微程序控制的...
    2026年06月30日

  • bema的意思？

    n.高座，讲坛...
    2026年06月30日

  • “瓷器”造句

    桌上摆放着白色瓷器和镶着金边的银制餐具。Tables are set with white china and gold-banded silver cutlery.我们的瓷器可现货购买，也可以委托制作。Our china can be bought off the shelf or by commission.只听见刀叉摩擦瓷器的刺耳声。The only sound is that of knives and forks scrapi...
    2026年06月30日

  • investments造句

    The company had overreached itself and made unwise investments...这家公司不自量力地轻率投资。Suffering households and companies are more likely to repatriate overseas investments.遭遇困难的家庭和企业更有可能撤回海外投资....investments that offer respecta...
    2026年06月30日

  • hardenite怎么读？

    hardenite的音标：hardenite的英式发音音标为：[hɑ:'denaɪt]hardenite的美式发音音标为：[hɑ'denaɪt]...
    2026年06月30日

  • acarotoxic怎么读

    acarotoxic的音标：acarotoxic的英式发音音标为：[əkæ'rəʊtɒksɪk]acarotoxic的美式发音音标为：[əkæ'roʊtɒksɪk]...
    2026年06月30日