第二峰 meaning in English

second peak

The result indicated that the diurnal changes of net photosynthetic rate ( pn ) of cynanchum komarovii displayed significantly less symmetrical two - peak pattern , with a predominant peak in ll : 00am and a small peak in 16 : 00pm . on hot bright sunny day
结果表明： 1 、在夏季晴朗天气条件下，牛心朴子光合速率日变化呈现双峰现象，第一峰出现在上午11 ： 00左右，第二峰出现在16 ： 00左右，第一峰值明显高于第二峰值。
The antimicrobial secretion could be divided into three sections , every section had antimicrobial activity . the first could be extracted by petroleum ether , the second could be extracted by ethyl alcohol , the third could dissove in water and could be separated by sephadex g - 50 , g200 gel filtration chromatography and carbornmethyl cellulose - 1 anion - exchange chromatography and detected by a256 , . the antimicrobial secretion had wide spectrum and had strong inhitory activity against germs and fungi , they could inhibit sixteen kinds of plant pathogenic germs , eight kinds of animal germs and eight kinds of plant pathogenic fungi
粗提物经石油醚萃取可得第一个活性部分，剩余部分经无水乙醇萃取可得第二个活性部分，剩余物质再经凝胶sephadexg - 50后有两个峰，第二峰有活性，再经凝胶sephadexg - 200后有三峰，第二峰有活性，将其经过阳离子交换柱cm - 1后有两峰，此两峰均有抑菌活性。