first-order

It was a scandal of the first order.

这是桩一大丑闻。

His earlier work announced a lyric talent of the first order.

他的早期作品显露了一流的抒情才。

The micell of block copolymer conjugates releases drugs followed the rule of first order equation and had no burst effect.

物胶束体外释药遵从一动力学，不存在突释现象。

RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色谱图以及液相色谱峰对应的一质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。

The large deflection problem of cantilever beams was studied by means of the biparametric perturbation method and the first order derivative substitution from pseudolinear analysis approach.

利用分析方法中的一阶导数代换对基本方程进行了简化处理,将基本的微分积分方程转化为非代数方程组,并结双参数摄动研究了悬臂梁的大挠度问题。