跪求以下文献： 1. Title: Denitrification hysteresis during wetting and drying cycles in soil Authors: GROFFMAN P. M. ; TIEDJE J. M. Journal Title: Soil Science Society of America journal (Soil Sci. Soc. Am. j.) ISSN 0361-5995 CODEN SSSJD4 Source:1988, vol. 52, no6, pp. 1626-1629 (32 ref.) 需要全文 http://soil.scijournals.org/cgi/content/abstract/52/6/1626
2. Book：Enzymes in the Environment: Activity, Ecology, and Applications Authors：Richard Burns；Richard Dick
迎国庆送壕礼！十月发帖抢大疆云台
【官方邀请】高效液相色谱使用情况有奖调研
喜迎国庆！第十七届原创大赛超级原创日参赛奖励翻倍
丹纳赫四十周年寄语征集领大礼包
