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beta是什么意思？

基礎釋義
例句
英英詞典釋義
行業詞典釋義

beta

英[?bi:t?] 美[?be?t?]

n. 貝塔，希臘字母中的第二個字母；

復數：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體.
We've mentioned calcium channel blockers and diuretics, what about beta - blockers? 我們提到了鈣通道阻滯劑和利尿劑, 那么β受體阻滯劑呢 ?
Whereas the most difference among quantity characters are lobule petiole length and beta coefficient is 70.03 %. 各數量性狀亦存在較大變異,其中小葉柄長度變異較大,變異系數達70.03%.
Phi Beta Kappa spread to colleges throughout New England. 斐陶斐榮譽學會后來擴展到新英格蘭地區的大學里.
Changes in soybean water status have also been measured by beta ray gauging. 大豆水分狀況的變化也已用β射線計量器測出.
Objective To observe the replicative senescence - related beta - galactosidase activity in cultured human retinal pigment epithelium ( RPE ) cells. 目的觀察培養人視網膜色素上皮 ( RPE ) 細胞中復制衰老相關的β半乳糖苷酶活性.
Production 1,2 hydroxy beta 4 - formic acid, a beta consignment sales produced products. 生產1、4-二羥基萘甲酸、甲萘醌,銷售自產產品.
Beta - exotoxin is an inhibitor of RNA polymerase and acts competitively with ATP in various biological processes. 外毒素是RNA聚合酶的抑制劑,在各個生化過程中與ATP起競爭作用.
Serum alpha - fetoprotein ( AFP ) and beta - human chorionic gonadotropin ( ? ? - HCG ) levels were elevated. 外科手術切除部份腫瘤并做病理檢查發現符合為胚胎瘤的變化.
Converts to beta - carotene, which is needed to maintain eye health. 能轉化成乙種胡蘿卜素, 維持眼睛健康.

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英英詞典釋義

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"

行業詞典

體育：關于未攀登過路線的一些資料；
醫學：〔B，β〕希臘文的第二個字母β：用作化學名之一部分，以識別二個或多個同質異構物中的一個，或用來指示所置換的原子或原子團在某些化合物中的位置。參見alpha；
物理學：壓比［值］；［value］又稱“β值”。流體壓力與磁壓之比。；

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beta是什么意思？

beta