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Journal of Nanjing Forestry University(Natural Science Edition)
1000-2006
1982 Issue 3
NEW STRATEGY OF FORESTRY DEVELOPMENT IN OUR COUNTRY
Zhu Jifan
..............page:1-4
RELATIONS BETWEEN THE GROWTH-DEVELOPMENT AND ENVIRONMENT OF CUNNINGHAMIA LANCEOLATA PLANTATION IN HUITONG, HUNAN PROVINCE
Feng Zongwei;Chen Chuying;Li Changhua;Xu Guanhui and Zhou Chonglian
..............page:19-38
A STUDY OF THE INHERITANCE AND VARIATION OF THE SMALL POPULATIONS OF CRYPTOMERIA FORTUNEI IN FUJIAN PROVINCE
Chen Yuewu and lia Peng Kong Yiqiang and Zhang Jinyitan Zheng Ruhuang and Zhou Chaigong Chen Xunlci and Lin Shanbin
..............page:74-83
THE EMBRYOLOGICAL OBSERVATION OF THE SEED DEVELOPMENT OF POPULUS ADENOPODA
Fan Ruwen and Wu Qiongmei
..............page:116-128
THE DESIGN THEORY AND PERFORMANCE ANALYSIS OF THE PNEUMATIC SAWDUST COLLECTING EQUIPMENT WITH RECEIVER FOR WOODWORKING SHOPS
Li Weili;Qian Yongkuan;Li Zhong;Shong Yuan;Sun Wei and Zhon Qinyou
..............page:129-142
STUDIES ON THE WOOD pH AND BUFFERING CAPACITY OF HYBRID POPLARS
Yin Siri;Wang Wanhua and Guo honghai
..............page:143-157
STUDIES ON THE FIBER DIMENSION AND CHEMICAL COMPONENTS OF ITALIAN POPLARS
Li Zhongzheng;Yao Guangyu;Zhang Datong and Liu Xuebing
..............page:158-172
THE DESIGN OF A HEAT-AIR HOOD WITH THE FUNCTION OF REUSING PART OF THE OUTLET AIR
Zhu Weiguo;Tang Hongliang;Ma Fuxia and Chtn Pcizhang
..............page:173-183
AN EXPERIMENTAL STUDY OF THE HIGH-HEAD FLUME IN HYDROENGINEERING MODEL
Dou Wenxue;Han Kuanxian;Zhao Fengchao and Wu Xiesun
..............page:184-194
DETERMINATION OF SEED VIGOUR OF PINUS THUNBERGⅡ
Chou Yunlan;Ho Suying and Zhu Hauming
..............page:200-203
(4/π)(21/2-1)≤ENF(ω)-(2/π)InN≤(4/π)(2-21/2)——LIMIT ON THE AVERAGE NUMBER OF REAL ROOTS OF A RANDOM ALGEBRAIC EQUATION
Wang Youqing In this paper we proved THEOREM Letbe a random algebraic equation;where ak are independent Gaussian random variables with mean o and standard deviation . Then for all N>2;we havewhere ENF is the average number of real roots;of FN . - 208-
..............page:204-208
wo yuan ju xing lin ye fa zhan xin zhan lue tao lun hui
li chang rong ;
..............page:215-216