beta是什么意思？

beta

英[ˈbi:tə] 美[ˈbeɪtə]

• n. 贝塔，希腊字母中的第二个字母；

复数：betas;

例句

• A beta globulin in blood serum that combines with and transports iron. 血清中的球蛋白,含有血液中的大部分抗体.
• We've mentioned calcium channel blockers and diuretics, what about beta - blockers? 我们提到了钙通道阻滞剂和利尿剂, 那么β受体阻滞剂 呢 ?
• Whereas the most difference among quantity characters are lobule petiole length and beta coefficient is 70.03 %. 各数量性状亦存在较大变异,其中小叶柄长度变异较大,变异系数达70.03%.
• Phi Beta Kappa spread to colleges throughout New England. 斐陶斐荣誉学会后来扩展到新英格兰地区的大学里.
• Changes in soybean water status have also been measured by beta ray gauging. 大豆水分状况的变化也已用β射线计量器测出.
• Objective To observe the replicative senescence - related beta - galactosidase activity in cultured human retinal pigment epithelium ( RPE ) cells. 目的观察培养人视网膜色素上皮 ( RPE ) 细胞中复制衰老相关的β半乳糖苷酶活性.
• Production 1,2 hydroxy beta 4 - formic acid, a beta consignment sales produced products. 生产1、4-二羟基萘甲酸 、 甲萘醌,销售自产产品.
• Beta - exotoxin is an inhibitor of RNA polymerase and acts competitively with ATP in various biological processes. 外毒素是RNA聚合酶的抑制剂,在各个生化过程中与ATP起竞争作用.
• Serum alpha - fetoprotein ( AFP ) and beta - human chorionic gonadotropin ( � � - HCG ) levels were elevated. 外科手术切除部份肿瘤并做病理检查发现符合为胚胎 瘤 的变化.
• Converts to beta - carotene, which is needed to maintain eye health. 能转化成乙种胡萝卜素, 维持眼睛健康.

英英词典释义

• Noun
  1. the 2nd letter of the Greek alphabet
• Adjective
  1. second in order of importance;
  "the candidate, considered a beta male, was perceived to be unable to lead his party to victory"
  2. preliminary or testing stage of a software or hardware product;
  "a beta version""beta software"

行业词典

• 体育： 关于未攀登过路线的一些资料；
  医学： 〔B，β〕希腊文的第二个字母β：用作化学名之一部分，以识别二个或多个同质异构物中的一个，或用来指示所置换的原子或原子团在某些化合物中的位置。参见alpha；
  物理学： 压比［值］；［value］ 又称“β值”。流体压力与磁压之比。；