Zobrazeno 1 - 4
of 4
pro vyhledávání: '"TIANYun(田云)"'
Autor:
TIANYun(田云), JINYi(金毅), WANGZhiping(王志平), SUXiaofei(苏晓飞), HUGuang(胡广), XULigen(徐礼根), YUMingjian(于明坚)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 43, Iss 4, Pp 426-435 (2016)
马尾松林是广泛分布于我国亚热带地区的代表性森林类型，多呈斑块状.马尾松林多处于干扰后森林群落演替的早期阶段，其后期可能演替为本地区的地带性植被——常绿阔叶林.因此，了解
Externí odkaz:
https://doaj.org/article/b420ff0a8581454e8504e399cd304987
Autor:
ZHONGLei(仲磊), LIUJulian(刘菊莲), DINGWenyong(丁文勇), TIANYun(田云), CHENJianhua(陈建华), LIMinghong(李铭红), YUMingjian(于明坚)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 41, Iss 5, Pp 593-599 (2014)
选取浙江省低海拔地区的16个次生林样地并调查其中胸径(DBH)≥1 cm的木本植物.通过观察群落外貌，结合数量分类方法(TWINSPAN)和排序方法(DCA)，将这些样地划分为4种演替阶段的森林类型（马尾
Externí odkaz:
https://doaj.org/article/1f17bdb74abc445a91991c7d8884651c
Autor:
WONGDongming(翁东明), GUORui(郭瑞), ZHANGHongwei(张宏伟), CHENGZhangfeng(程樟峰), TIANYun(田云), YUJingjing(余晶晶), WANGYuexia(王月霞), LIUJinliang(刘金亮)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 41, Iss 5, Pp 600-610 (2014)
群落组成是影响森林演替方向的主要因素之一.浙江省地处我国东部，属典型亚热带气候，全省植被类型多样，物种组成丰富.为了更好地了解浙江省自然保护区内落叶阔叶林群落结构，于2012
Externí odkaz:
https://doaj.org/article/bc411fc2a0d747d8819840b5105cca10
Autor:
YANDong-mei(严冬梅), TIANYun(田云)
Publikováno v:
Zhejiang Daxue xuebao. Lixue ban, Vol 38, Iss 1, Pp 10-18 (2011)
The number of limit cycles of a Lienard system ， is studied，where Fn (x) and Pm (x) are polynomials of x with degree n and m respectively. By using a general theorem on Hopf bifurcation of limit cycles, some concrete Hopf cyclicity are given.
Externí odkaz:
https://doaj.org/article/5e4dc78fdf93403fa4fa0e51b2b98646