2002 Vol. 19, No. 4
2002, 19(4): 337-341.
Abstract:
Comparative molecular fields analysis (CoMFA)was applied to the studies of the correlation of the pyrethroid and their acute toxicity-DL50 (rat , P .O .).The comparison of CoMFA results with different lattice spacing and different atom probes was inv...
Comparative molecular fields analysis (CoMFA)was applied to the studies of the correlation of the pyrethroid and their acute toxicity-DL50 (rat , P .O .).The comparison of CoMFA results with different lattice spacing and different atom probes was inv...
2002, 19(4): 342-345.
Abstract:
Influence of different physical and chemical factors on the growth of phosphate-solubilizing bacteria (PSB) were investigated .The results showed that ①PSB was able to thrive and grow very well when its volume in a 100 mL flask was 20 mL , which was ...
Influence of different physical and chemical factors on the growth of phosphate-solubilizing bacteria (PSB) were investigated .The results showed that ①PSB was able to thrive and grow very well when its volume in a 100 mL flask was 20 mL , which was ...
2002, 19(4): 346-349.
Abstract:
The bacteria carried pine wood nematode was observed using improved stained methods through optical microscope for the first time .It was found that bacteria exist on the surface and in environment of nematode .The amount of bacteria carryed by nemat...
The bacteria carried pine wood nematode was observed using improved stained methods through optical microscope for the first time .It was found that bacteria exist on the surface and in environment of nematode .The amount of bacteria carryed by nemat...
2002, 19(4): 350-355.
Abstract:
The insect diversity was analyzed by means of data obtained in insect investigation from 1998 to 2000 . Lepidoptera , Hymenoptera , Coleoptera , Diptera were dominant orders from Mount Tianmu , China .The diversity of species and genera indicated tha...
The insect diversity was analyzed by means of data obtained in insect investigation from 1998 to 2000 . Lepidoptera , Hymenoptera , Coleoptera , Diptera were dominant orders from Mount Tianmu , China .The diversity of species and genera indicated tha...
2002, 19(4): 356-362.
Abstract:
Based on one-year field research , main wetland vegetation types in Zhjiang Province were basically made clear .In this paper , main wetland vegetation types and their classification system in Zhejiang Province were fully reported for first time .Wet...
Based on one-year field research , main wetland vegetation types in Zhjiang Province were basically made clear .In this paper , main wetland vegetation types and their classification system in Zhejiang Province were fully reported for first time .Wet...
2002, 19(4): 363-366.
Abstract:
The effect of different intensity of artificial disturbance (ck , the original forest ;class A , the regeneration of selection cutting ;class B , the natural regeneration ;class C , Chinese fir ;class D , Phyllostachys heterocycla cv .pubescens) on t...
The effect of different intensity of artificial disturbance (ck , the original forest ;class A , the regeneration of selection cutting ;class B , the natural regeneration ;class C , Chinese fir ;class D , Phyllostachys heterocycla cv .pubescens) on t...
2002, 19(4): 367-371.
Abstract:
Study on the litter decomposition and phosphorus release in an oak (Quercus variabilis ) forest ecosystem was made by means of decomposition date obtained from litter bag in Jiangsu Province The mathematical models of litter weight residual rate with...
Study on the litter decomposition and phosphorus release in an oak (Quercus variabilis ) forest ecosystem was made by means of decomposition date obtained from litter bag in Jiangsu Province The mathematical models of litter weight residual rate with...
2002, 19(4): 372-375.
Abstract:
In order to study the effects of nitrogen application on leaf output and flavone concentration in leaves of ginkgo seedlings , two-year-old ginkgo seedlings were transplanted and grew in pot culture at five levels of nitrogen(N)supply :0 , 1.5 , 3.0 ...
In order to study the effects of nitrogen application on leaf output and flavone concentration in leaves of ginkgo seedlings , two-year-old ginkgo seedlings were transplanted and grew in pot culture at five levels of nitrogen(N)supply :0 , 1.5 , 3.0 ...
2002, 19(4): 376-381.
Abstract:
The longitudinal vibration model for wooden heterogeneous material was built in his paper , which was wood for analyzing the effects of free water gradient on longitudinal vibration frequency in its longitudinal direction . The results form experimen...
The longitudinal vibration model for wooden heterogeneous material was built in his paper , which was wood for analyzing the effects of free water gradient on longitudinal vibration frequency in its longitudinal direction . The results form experimen...
2002, 19(4): 382-386.
Abstract:
Sargentodoxa cuneata is a traditional Chinese medicine .In order to find out the primary effective components, the flavnoids in different organs were extracted and analyzed by HPLC and polycrylamide membrane chromatography .The results showed that th...
Sargentodoxa cuneata is a traditional Chinese medicine .In order to find out the primary effective components, the flavnoids in different organs were extracted and analyzed by HPLC and polycrylamide membrane chromatography .The results showed that th...
2002, 19(4): 387-390.
Abstract:
By adopting distillation of Pleioblastus amarus leaves and GS-MS analysis .The volatile composition of preioblastus amcrus leaves was extracted , separated and identified in which 53 chromatographic humps were gained.Forty-two kinds of composition wh...
By adopting distillation of Pleioblastus amarus leaves and GS-MS analysis .The volatile composition of preioblastus amcrus leaves was extracted , separated and identified in which 53 chromatographic humps were gained.Forty-two kinds of composition wh...
2002, 19(4): 391-394.
Abstract:
The contents of endogenous polyamines (putrescine , spermidine and spermine) on flower buds of Ginkgo biloba were analyzed during the differentiation .The results showed that the concentration of putrescine and spermidine increased markedly and had a...
The contents of endogenous polyamines (putrescine , spermidine and spermine) on flower buds of Ginkgo biloba were analyzed during the differentiation .The results showed that the concentration of putrescine and spermidine increased markedly and had a...
2002, 19(4): 395-398.
Abstract:
More than 10-year studies of Torreya grandis in Zhaojia Town of Zhuji City , Zhejiang Province , suggests that cell activatar containing nitrifying wound phenol has effect to prevent preharvest fruit drop .Wanguobao and Atonik , growth regulators , u...
More than 10-year studies of Torreya grandis in Zhaojia Town of Zhuji City , Zhejiang Province , suggests that cell activatar containing nitrifying wound phenol has effect to prevent preharvest fruit drop .Wanguobao and Atonik , growth regulators , u...
2002, 19(4): 399-402.
Abstract:
In order to study the difference of enviornmental factors in winter under evergreen and deciduous street trees , the authors determined the illumination , air temperatur and relative humidity under four species of steet trees , Platanus acerifolia , ...
In order to study the difference of enviornmental factors in winter under evergreen and deciduous street trees , the authors determined the illumination , air temperatur and relative humidity under four species of steet trees , Platanus acerifolia , ...
2002, 19(4): 403-407.
Abstract:
The health functions of eco-tourism resort relate to many environmental factors , and to establish a good health environment is one of important tasks in the construction of eco-health parks .After expounding the function of each health factors of ec...
The health functions of eco-tourism resort relate to many environmental factors , and to establish a good health environment is one of important tasks in the construction of eco-health parks .After expounding the function of each health factors of ec...
2002, 19(4): 408-411.
Abstract:
According to investigation , Qingshan Lake wetland ecological systems , which include river , reservoir ,swamp and forest living in water with main tree Taxodium ascendens , have such characteristics as synthetical functionality , species diversity ,...
According to investigation , Qingshan Lake wetland ecological systems , which include river , reservoir ,swamp and forest living in water with main tree Taxodium ascendens , have such characteristics as synthetical functionality , species diversity ,...
2002, 19(4): 412-415.
Abstract:
Five types of interior landscape including bonsai displaying , building-attached-planter design , interior landscape , indoor garden , and roof garden were classified in this paper according to the scope of work to perform, the scale and complexity o...
Five types of interior landscape including bonsai displaying , building-attached-planter design , interior landscape , indoor garden , and roof garden were classified in this paper according to the scope of work to perform, the scale and complexity o...
2002, 19(4): 416-419.
Abstract:
Chinese classical gardens fully elaborate the expressiveness of lines of Chinese drawings in their overall arrangement , setting up rockeries , plastic water and the modelling of buildings .Their structure , space , level , rhythm and decorating styl...
Chinese classical gardens fully elaborate the expressiveness of lines of Chinese drawings in their overall arrangement , setting up rockeries , plastic water and the modelling of buildings .Their structure , space , level , rhythm and decorating styl...
2002, 19(4): 420-425.
Abstract:
Three models to predict price of forest land were set up .Model 1 was relatively simple , in which price of forest land was decided only by its demand and supply .On the basis of model 1 , model 2 concerned price of the related goods , in which price...
Three models to predict price of forest land were set up .Model 1 was relatively simple , in which price of forest land was decided only by its demand and supply .On the basis of model 1 , model 2 concerned price of the related goods , in which price...
2002, 19(4): 426-428.
Abstract:
Based on the second order moment of the accurate light intensity at the transverse plane , the Transmissior characteristics of nonparaxial Gaussian beam have been investigated .The beam width follows a simple hyperbolic propagation law .The numerical...
Based on the second order moment of the accurate light intensity at the transverse plane , the Transmissior characteristics of nonparaxial Gaussian beam have been investigated .The beam width follows a simple hyperbolic propagation law .The numerical...
2002, 19(4): 429-432.
Abstract:
Through the investigation of the phenomenon of cheating in examinations , the paper analyzes its cause and holds that to solve this problem radically .The key is to strengthen the standard of examination management , adjust the examination time , cha...
Through the investigation of the phenomenon of cheating in examinations , the paper analyzes its cause and holds that to solve this problem radically .The key is to strengthen the standard of examination management , adjust the examination time , cha...
2002, 19(4): 433-436.
Abstract:
From 1988 to 1992 , selective breeding of superior plants of Myrica rubra was done in seven main producing homes of Zhejiang , such as Cixi , Yuyao , Huangyan etc .31 superior plants were breeded by grafting , which were selected among eight varietie...
From 1988 to 1992 , selective breeding of superior plants of Myrica rubra was done in seven main producing homes of Zhejiang , such as Cixi , Yuyao , Huangyan etc .31 superior plants were breeded by grafting , which were selected among eight varietie...
2002, 19(4): 437-439.
Abstract:
In order to improve of culturing in Agrocybe cylindracea , its nutritive characteristics were studied .The result showed that brown sugar was the best carbon sources , and peptone was the best nitrogen source , and the best suitable temperature of it...
In order to improve of culturing in Agrocybe cylindracea , its nutritive characteristics were studied .The result showed that brown sugar was the best carbon sources , and peptone was the best nitrogen source , and the best suitable temperature of it...
2002, 19(4): 440-445.
Abstract:
The climate condition is ascendant and the resource of cash forestis abundant , especially the development of typic commerce forest is very rapid recently in Zheijang Province .But the phenomena of water and soil losses come forth in different degree...
The climate condition is ascendant and the resource of cash forestis abundant , especially the development of typic commerce forest is very rapid recently in Zheijang Province .But the phenomena of water and soil losses come forth in different degree...
2002, 19(4): 446-451.
Abstract:
The authors conclude and analyses the environmental value views , theories of evaluation , specific methods , achievements on forest environmental value evaluation ;The main views of forest environmental values are labor value view , unility value vi...
The authors conclude and analyses the environmental value views , theories of evaluation , specific methods , achievements on forest environmental value evaluation ;The main views of forest environmental values are labor value view , unility value vi...