paa中文什么意思

PAA ＝Pan American World Airways 〔美国〕泛美航空公司(1991年合并于 Delta 航空公司)。

• lin paa:    使用于局部的擦剂
• paa arnoldi:    缅北刺蛙
• paa blanfordii:    大吉岭刺蛙

例句与用法

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1. Having reacted with copper , paa becomes complex . the complex decomposes after heat treating and cause the increase in dielectric constant and reduction in dielectric breakdown strength . otherwise cu2o and cuo emerge from the complex , too
   N与cu反应后，形成络合物，热处理时自身降解，击穿强度降低，介电常数提高； cz在热处理后从络合物离解出来形成cllo和cuzo 。
2. P ) is called an e - inversive p - semigroup if it satisfies the following main result 2 let be a normal partition of p . then x s ( p ) : for any a ? / then there exist and b " ? u " ( 6 ) such that a ' paa . b ' pab c p3 and apaa "
   接着用“核迹”方法研究s仔）上的强p同余，即证明s尸）上的任一强p同余，可以决定s尸）的一个强p同余对，反之s的任一强p同余对，可以决定s （ p ）上的一个强p同余
3. Thus , to improve the specific of lithium ion batteries , main effort should be directed toward the synthesis of new positive electrode materials , i . e . various lithiated oxides that could reversibly intercalate one li atom per 3d - metal atom at about 4v versus li
   O 。由于电压高、价格便宜和对环境友好而成为最有希望的备选材料之一。首次采用了聚丙烯酸paa为鳌合剂，运用溶胶凝胶法，合成了limn 。
4. Section one : preparation of polyacrylic acid / montmorillonite ( paa / mmt ) water absorbent hybrids by aqueous solution intercalated polymerization as montmorillonite is easily dispersed in water uniformly , the polyacrylic acid / montmorillonite ( paa / mmt ) was prepared by simple aqueous solution intercalated polymerization
   并利用红外( ft - ir ) 、 x ?射线衍射( xrd )对产品进行了表征，结果证明此材料为嵌入型插层复合物。
5. The work of the paper mainly includes : ( 1 ) present a model for measuring the similarity between two hydrological time series . in this model , we adopt an intuitive dimensionality reduction technique for hydrological time series which is called piecewise average approximation ( paa )
   主要工作包括： （ 1 ）提出了适合水文时间序列数据特点的相似性模型，采用简单直观的等时间间隔序列分段平均值技术（ paa ）作为水文时间序列降维方法。

百科释义

Paa is a genus of true frogs.