在那边

Epidemiological evidences have found the strong association between BQ chewing and oral cancer.

病学的研究发现嚼食槟榔与口腔癌间具有强的关连性。

The result indicated:(1) N was the main factor in nitrate accumulation, and the nitrate content of water spinach significantly increased with the rising of N fertilization amounts.

结果表明：(1)N肥是蕹菜硝酸盐积累的主要因素，随着氮肥施用量的增加植株体内硝酸盐含量显著增加。