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查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

ribonucleic acid
TOEFL

n. 【生化】核糖核酸

1. RNAi (Ribonucleic acid interference) is a technique that attacks specific genes in malign cells, disabling functions inside and killing them.
核糖核酸干扰(RNAi)会攻击恶性组织细胞里的专门基因,让其丧失功能并且最终将其杀死。
2. And RNA (ribonucleic acid), is responsible for only a DNA contained in the genetic information to proteins, "messenger" - an obscure, "a supporting role.
而RNA(核糖核酸),则只是一个负责把DNA所含遗传信息传递给蛋白质的“信使”——一个不起眼的“配角”。
3. The international research team identified microRNAs - tiny pieces of the genetic building block ribonucleic acid, or RNA - critical to the survival of hair cells.
该国际研究小组确认了小块遗传物质核糖核酸微小rna或毛细胞生存至关重要的RNA。
4. The present paper reports the situation of ribonucleic acid preparation and its wide application in clinics, drugs, healthy products, food industry, agriculture and so on.
概述了核糖核酸的制备状况及其在临床、医药、保健、食品加工业、农业生产等领域的应用。
5. CONCLUSION ESI-MS offers some advantages in sensitivity, high-speed, accuracy for studying the noncvalent binding between anti-hepatitis B immune ribonucleic acid and human plasma protein.
结论ESI-MS技术用于抗乙肝免疫核糖核酸与蛋白间的非共价结合化学计量比研究具有灵敏、快速和准确的特点。