2003 Vol. 20, No. 3
2003, 20(3): 227-231.
Abstract:
In order to advance the scientific and technological content and additional value of bamboo production , and raise the utilization rates of bamboo resourecs , the technology of sliced bamboo veneer is introduced .Bamboo is processed via cross cutting...
In order to advance the scientific and technological content and additional value of bamboo production , and raise the utilization rates of bamboo resourecs , the technology of sliced bamboo veneer is introduced .Bamboo is processed via cross cutting...
2003, 20(3): 232-235.
Abstract:
The effects of cement-wood ratio , additives , assembly time on the properties of quick-curing cement particle board made of planer shavings and ordinary Portland cement are studied with the method of hot pressing . The results are as follows :(1)Ass...
The effects of cement-wood ratio , additives , assembly time on the properties of quick-curing cement particle board made of planer shavings and ordinary Portland cement are studied with the method of hot pressing . The results are as follows :(1)Ass...
2003, 20(3): 236-239.
Abstract:
The effects of 6 different wood shaving shapes on the properties of fast-curing cement particle board(CPB)are studied with the method of hot pressing .The constant technical conditions for the study are as follows :cement-wood ratio is 2.6 ;water-cem...
The effects of 6 different wood shaving shapes on the properties of fast-curing cement particle board(CPB)are studied with the method of hot pressing .The constant technical conditions for the study are as follows :cement-wood ratio is 2.6 ;water-cem...
2003, 20(3): 240-244.
Abstract:
With the skeleton specimens made of fully grown Nycticorax nycicorax , Egretta garztta and Areeola bacchus , the morphological structures of these three species of egrets from three genera are studied and compared . The results show that the bones on...
With the skeleton specimens made of fully grown Nycticorax nycicorax , Egretta garztta and Areeola bacchus , the morphological structures of these three species of egrets from three genera are studied and compared . The results show that the bones on...
2003, 20(3): 245-248.
Abstract:
In the three-year nursery testing , 8 of 41 clones are selected and ranked randomly .Their nursery terms are tested .The results are as follows :①The broad-sense heritabilities of height , diameter and volume of cloned seedings are 0.897 8 , 0.831 4 ...
In the three-year nursery testing , 8 of 41 clones are selected and ranked randomly .Their nursery terms are tested .The results are as follows :①The broad-sense heritabilities of height , diameter and volume of cloned seedings are 0.897 8 , 0.831 4 ...
2003, 20(3): 249-253.
Abstract:
Through the cuttage experiments of Liriodendron chinense L .tulipifera conducted in spring and summer , characteristics such as the time of adventitious root formation , the effect of terminal bud and the state of callus are studied in detail .The re...
Through the cuttage experiments of Liriodendron chinense L .tulipifera conducted in spring and summer , characteristics such as the time of adventitious root formation , the effect of terminal bud and the state of callus are studied in detail .The re...
2003, 20(3): 254-258.
Abstract:
The demonstration experiment of fertilizer formulas for shoot-bamboo stand is conducted in Shuichang County , and a comprehensive mangement technique package in line with the local social and economic conditions is established .Techniques are popular...
The demonstration experiment of fertilizer formulas for shoot-bamboo stand is conducted in Shuichang County , and a comprehensive mangement technique package in line with the local social and economic conditions is established .Techniques are popular...
2003, 20(3): 259-263.
Abstract:
With Hegyi single-tree competiton index model , the intraspecific and interspecific competition intensity in Shima superba , one of the common species in evergreen broadleaved forest in Tiantai Mountains of Zhejiang Province is quantitatively analyze...
With Hegyi single-tree competiton index model , the intraspecific and interspecific competition intensity in Shima superba , one of the common species in evergreen broadleaved forest in Tiantai Mountains of Zhejiang Province is quantitatively analyze...
2003, 20(3): 264-267.
Abstract:
Caloric values and ash contents in the leaves at the different growth stages of five Ficus species (Ficus religiosa , F .elastica ,F .laco , F .microcarpa cv .Golden-leaves , F .microcarpa)are studied .The results are as follows :(1)ash contents incr...
Caloric values and ash contents in the leaves at the different growth stages of five Ficus species (Ficus religiosa , F .elastica ,F .laco , F .microcarpa cv .Golden-leaves , F .microcarpa)are studied .The results are as follows :(1)ash contents incr...
2003, 20(3): 268-272.
Abstract:
To discuss the drought resistance mechanism of Sabina vulgaris , stomatal transipiration and cuticular transpiration of Sabina vulgaris are measured with the transpiration method of cut branch , greenhouse experiments and field survey being combined ...
To discuss the drought resistance mechanism of Sabina vulgaris , stomatal transipiration and cuticular transpiration of Sabina vulgaris are measured with the transpiration method of cut branch , greenhouse experiments and field survey being combined ...
2003, 20(3): 273-276.
Abstract:
To establish stable and efficient gene transformation acceptor systems of embryogenic callus in lily (Lilium longiflorum), experiments of the embryogenic callus induction , plant regeneration and the sensibility of embryogenic callus to several antib...
To establish stable and efficient gene transformation acceptor systems of embryogenic callus in lily (Lilium longiflorum), experiments of the embryogenic callus induction , plant regeneration and the sensibility of embryogenic callus to several antib...
2003, 20(3): 277-280.
Abstract:
The tropical and subtropical areas of Yunnan are rich in wild vegetable resources .There are about 300 species.Most wild vegetables feature high nutrients , distinct interspecies variations and long collecting periods . Yunnan has a long history of e...
The tropical and subtropical areas of Yunnan are rich in wild vegetable resources .There are about 300 species.Most wild vegetables feature high nutrients , distinct interspecies variations and long collecting periods . Yunnan has a long history of e...
2003, 20(3): 281-284.
Abstract:
Plant quantitative classification is conducted on the basis of the visible characteristics of plants .The result is usually come from the clustering analysis of many characteristic data .Traditionally , the data are collected manually and inefficient...
Plant quantitative classification is conducted on the basis of the visible characteristics of plants .The result is usually come from the clustering analysis of many characteristic data .Traditionally , the data are collected manually and inefficient...
2003, 20(3): 285-288.
Abstract:
This paper analyses the study status of forest fire forcast , and points out the problem and insufficient existing on technology and method about it at present .On the basis of this , this paper puts forward a new kind of forest fire forecast and spr...
This paper analyses the study status of forest fire forcast , and points out the problem and insufficient existing on technology and method about it at present .On the basis of this , this paper puts forward a new kind of forest fire forecast and spr...
2003, 20(3): 289-292.
Abstract:
The efficiencies in the road landscaping in Hangzhou such as few plant species , improper proportion of evergreen trees to deciduous ones and lack of key trees can be found out after analyzing the landscaping history and actualities in Hangzhou .Acco...
The efficiencies in the road landscaping in Hangzhou such as few plant species , improper proportion of evergreen trees to deciduous ones and lack of key trees can be found out after analyzing the landscaping history and actualities in Hangzhou .Acco...
2003, 20(3): 293-296.
Abstract:
To prepare Ni (OH)2 of high electrochemical activity and bulk density , with urea and nickel nitrate as the raw materials , the ultrafine particles of nickel hydroxide is prepared with homogeneous sendimentation method . The optimum processing condit...
To prepare Ni (OH)2 of high electrochemical activity and bulk density , with urea and nickel nitrate as the raw materials , the ultrafine particles of nickel hydroxide is prepared with homogeneous sendimentation method . The optimum processing condit...
2003, 20(3): 297-301.
Abstract:
The actuality of problems of indoor environment contamination is introduced and the indoor environment pollution's harms to physical health and social productivity .The main indoor contaminations and their sources are concluded .The monitoring standa...
The actuality of problems of indoor environment contamination is introduced and the indoor environment pollution's harms to physical health and social productivity .The main indoor contaminations and their sources are concluded .The monitoring standa...
2003, 20(3): 302-306.
Abstract:
The liabilities insurance system of the environmental pollution can disperse the risk .The environmental indemnity duty of enterprise will be shared with the society to prevent the enterprise from bankrupting due to a huge sum of compensation .The vi...
The liabilities insurance system of the environmental pollution can disperse the risk .The environmental indemnity duty of enterprise will be shared with the society to prevent the enterprise from bankrupting due to a huge sum of compensation .The vi...
2003, 20(3): 307-310.
Abstract:
In the PC controlled wood drying process , the reasonable control strategies and methods shall be selected .According to the characters of wood drying , the application of control techniques such as PID control , adaptive control and artificial intel...
In the PC controlled wood drying process , the reasonable control strategies and methods shall be selected .According to the characters of wood drying , the application of control techniques such as PID control , adaptive control and artificial intel...
2003, 20(3): 311-314.
Abstract:
Spatial heterogeneity is a core issue of burgeoning landscape ecology research , and is now becoming a focus of landscape ecology research in China and abroad .The development of the research on the spatial heterogeneity is summarized through its con...
Spatial heterogeneity is a core issue of burgeoning landscape ecology research , and is now becoming a focus of landscape ecology research in China and abroad .The development of the research on the spatial heterogeneity is summarized through its con...
2003, 20(3): 315-320.
Abstract:
The level of city greening associates with the configuration and developed degree of the city tightly .City greening has obvious ages'characteristics .The main models of city developing were summed up .Based on this , the city greening ideas such as ...
The level of city greening associates with the configuration and developed degree of the city tightly .City greening has obvious ages'characteristics .The main models of city developing were summed up .Based on this , the city greening ideas such as ...
2003, 20(3): 321-324.
Abstract:
Germination rate of Phoebe bournei seed in the field is an index to evaluate seed vigor .The seeds artificially aged (38 ℃, 100 %RH, 72 h)and seeds not artificially aged are used as different materials for vigor testing to find some reliable methods ...
Germination rate of Phoebe bournei seed in the field is an index to evaluate seed vigor .The seeds artificially aged (38 ℃, 100 %RH, 72 h)and seeds not artificially aged are used as different materials for vigor testing to find some reliable methods ...
2003, 20(3): 325-327.
Abstract:
Ficus concinna var .subsessilis , evergreen arbor , is distributed in the northernmost subtropical .There are more than 760 plants over 100 years old in Wenzhou City of Zhejiang Province .The results of cultivating seedlings indicated that the seedli...
Ficus concinna var .subsessilis , evergreen arbor , is distributed in the northernmost subtropical .There are more than 760 plants over 100 years old in Wenzhou City of Zhejiang Province .The results of cultivating seedlings indicated that the seedli...
2003, 20(3): 328-330.
Abstract:
Pucciniastrum castaneae is main leave disease of Castanea mollissima in Jingning , the incidence of the disease being 95 % and the index of disease being 82.5 .Pucciniastrum castaneae seriously affects the seedlings , young trees and grown-up trees ....
Pucciniastrum castaneae is main leave disease of Castanea mollissima in Jingning , the incidence of the disease being 95 % and the index of disease being 82.5 .Pucciniastrum castaneae seriously affects the seedlings , young trees and grown-up trees ....
