The results showed that: the solubility and processability of polyaniline can be increased through aniline copoly with aniline derivative with polar or soluble group.

结果表明：苯胺与带有极性或可溶性基团的苯胺衍生物共聚可有效提高聚苯胺的溶解性和可加工性。

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This paper studies derivatives of higher order about product of three functions, and obtains a group dependent derivative formulas.

研究了三个函数乘积的高阶导数，得到了一组相应的导数公式。

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The US Army uses two distinct families of weapons in 5.56 x 45 mm calibre: the M16 rifle and the derivative M4 carbine form one group, the M249 Squad Automatic Weapon the other.

美国陆军使用两种截然不同的5.56毫米口径木仓族：一种是M16步木仓以及其派生出来的M4卡宾木仓，另一种是M249班用机木仓。

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Abrams, who started out with Goldman Sachs researching derivative trading strategies and later worked at Credit Suisse and then Merrill Lynch as co-head of US equity derivative trading, founded Titan Capital Group in 2001.

FORBES: Russell Abrams' Hedge Fund Accused of Fraud Amid Losses of 70%

Some members of the group studied in Europe, and their work, to the Western eye, can seem derivative of European cubists and other modern masters.

FORBES: Magazine Article

Some of the group studied in Europe, and their work, to the Western eye, can at first appear derivative.

FORBES: Magazine Article