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.

他早期作品显露了一情才华。

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

键合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一质谱图。对谱图进行分析归纳,推测金霉素样品含有四环素、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.

利用拟线性分析法一阶导数代换对基本程进行了简化处理,将基本微分积分程转化为非线性代数程组,并结合双参数摄动研究了悬臂梁大挠度问题。