Journal of Beijing Forestry University 2009 Issue 5 Intelligent control of seeding system based on SPCE061A

Intelligent control of seeding system based on SPCE061A
GAO Lin;GU Hong-bo;LI Wen-bin;WANG Nai-kang;WU Xiao-lan

..............page:126-130

Influence of steaming time during steam-explosion on the chemical composition, crystallinity and enzymatic hydrolysis of Lespedeza bicolor stalks
WANG Kun;WANG Fang;JIANG Jian-xin;SUN Run-cang;LIU Sheng-ying;MA Ya-qi;SONG Xian-liang

..............page:121-125

Coverage changes of forestland and grassland in northeastern China during the past 300 years
YE Yu;FANG Xiu-qi;ZHANG Xue-zhen;ZENG Zao-zao

..............page:137-144

Optimization of fermented wine production from Comus officinalis
YANG Jian-fang;HUANG Ming-yong;LU Fu-ping;GAO Wen-yuan

..............page:131-136

Effects of impact modifier ACR on melt rheological properties of foamed wood flour-PVC composites
BAI Xiao-yan;WANG Qing-wen;WANG Hai-gang;HAN Zhen;LI Zhong-qiu

..............page:117-120

Effects of carbonized temperature on microstructure of carbon fiber precursors prepared from liquefied wood
MA Xiao-jun;ZHAO Guang-jie

..............page:112-116

Cross section size analysis of tracheids in Tsuga chinensis wood with Fourier transformation
DUO Hua-qiong;WANG Xi-ming;FAN Jun-xiong

..............page:108-111

Management and assessment of national wetland parks
CUI Li-juan;ZHANG Man-yin;LI Wei;WANG Yi-fei;SHANG Xiao-jing

..............page:102-107

bei jing lin ye da xue xue bao zheng gao jian ze

..............page:封3

mu cai ke xue yu ji shu zhuan jia cao jin zhen jiao shou

..............page:封2

Photosynthetic characteristics of hybrid clones of Populus deltoides and P.ussuriensis
JIANG Xi-bing;LI Bo;ZHANG Zhi-yi;MA Kai-feng;HE Zhan-guo;LIU Cheng-you

..............page:151-154

Advances in the developmental biology of lily bulb
L(U) Ying-min;WU Sha-sha;ZHANG Qi-xiang

..............page:145-150

Germination inhibitors in seeds of Taxus chinensis vat.mairei
YU Hai-lian;LI Feng-lan;ZHAO Cui-ge;GUO Hui-hong

..............page:78-83

Nitrogen and phosphorus concentrations, N: P ratio and resorption efficiency of leaves in different forest types
ZHANG Li-hua;LIN Yi-ming;YE Gong-fu;YIN Liang;ZHOU Hai-chao

..............page:67-72

Responses of fine root growth of Caragana microphylla shrub plantation to irrigation and nitrogen addition in a semi-arid region of northern China
HUANG Gang;ZHAO Xue-yong;SU Yan-gui;HUANG Ying-xin;CUI Jian-yuan

..............page:73-77

Anti-scourability of microbiotic soil crust in the loess area of northern Shaanxi Province, northwestern China
BU Nan;ZHU Qing-ke;WANG Rui;ZHENG Hui;AN Yan-chuan

..............page:96-101

Determining genetic diversity of natural population of Syringa oblata using allozyme markers
LIAO Hui-rong;GU Wan-chun;MING Jun

..............page:84-89

Karyotype analysis of sixteen Chinese traditional rose cultivars
LUO Le;ZHANG Qi-xiang;BAI Jin-rong;PAN Hui-tang;LI Hui;WANG Qiong

..............page:90-95

Soil infiltration characteristics of typical plantations in mountainous area of Miyun, Beijing
XI Cai-yun;YU Xin-xiao;XU Juan;ZHANG Zhen-ming;ZHU Jian-gang;WANG Chen;PANG Zhuo;WANG Na-li

..............page:42-47

Pattern analysis of different populations in natural secondary forest of Betula davurica in mountainous area of Beijing
SHI Yu;YU Xin-xiao;YUE Yong-jie;ZHANG Zhen-ming;GAN Jing;WANG Xiao-ping;LI Jin-hai

..............page:35-41

Effects of thinning on edge effect of Larix principis-rupprechtii plantation
WANG Xiong-bin;YU Xin-xiao;XU Cheng-li;GU Jian-cai;ZHOU Bin;FAN Min-rui;JIA Guo-dong;L(U) Xi-zhi

..............page:29-34

Spatial structure of Robinia pseudoacacia plantation in Miyun Reservoir Watershed of Beijing
LIU Yan;YU Xin-xiao;YUE Yong-jie;GAN Jing;WANG Xiao-ping;LI Jin-hai

..............page:25-28

Solute preferential transport analysis of dark coniferous forest ecosystem of Gongga Mountain, Sichuan Province of southwestern China
NIU Jian-zhi;YU Xin-xiao;ZHANG Zhi-qiang

..............page:48-53

Evaluation of Quercus aliena vat. acuteserrata forest at the western segment of Qinling Mountain, northwestern China
DUAN Chang-sheng;WANG Jun-hui;MA Jian-wei;YUAN Shi-yun;DU Yan-chang

..............page:61-66

Relationship between vegetation greenness and urban heat island effect in Beijing
WU Peng-fei;WANG Mao-jun;ZHANG Xue-xia

..............page:54-60

Spatial variability and prediction of soil available nitrogen of different vegetation types
ZHANG Zhen-ming;YU Xin-xiao;XU Juan;GAN Jing;WANG Xiao-ping;LI Jin-hai

..............page:12-18

Model of assessing shallow planar landslide of forested soil side slope
ZHANG Chao-bo;CHEN Li-hua;JI Xiao-dong;ZHOU Shuo;GAN Jing;WANG Xiao-ping;LI Jin-hai

..............page:8-11

Soil active organic carbon pool of coniferous and broadleaved forests in the mountainous area of Beijing
GENG Yu-qing;YU Xin-xiao;YUE Yong-jie;LI Jin-hai;ZHANG Guo-zhen;LIU Song

..............page:19-24

Vegetation restoration and its effects on runoff and sediment yield in Hekouzhen-Longmen Section of the middle reaches of Yellow River
XIN Zhong-hao;YU Xin-xiao;GAN Jing;WANG Xiao-ping;LI Jin-hai

..............page:1-7