一级动力学 meaning in English

first order kinetics
first-order kinetics

There were no visible morphological change in water hyacinth exposed to a mixture of ethion , dicofol , fenvalerate , fenpropathrin , deltamethrin , and cyhalothrin with the concentrations of 0 . 01 mg / l , 0 . 1 mg / l , and 1 mg / l , but the fresh biomasses were increased by 49 . 79 % , 40 . 34 % , and 83 . 88 % respectively compared to those planted in water solutions without pesticides
植物在5mg kg三氯杀螨醇及50mg kg和5mg kg乐果的环境中生长良好。动力学研究结果表明，植物对有机农药的净化过程符合一级动力学反应。凤眼莲对水溶液中有机农药的净化效率很高。