2006 Vol. 23, No. 3
2006, 23(3): 237-241.
Abstract:
The effects of final treatment techniques on the properties of hot pressing cement particle board (CPB) mat were studied with poplar particles of certain size as raw materials , number 42.5 level common silicate cement as glues and Na2SiO3 as fast cu...
The effects of final treatment techniques on the properties of hot pressing cement particle board (CPB) mat were studied with poplar particles of certain size as raw materials , number 42.5 level common silicate cement as glues and Na2SiO3 as fast cu...
2006, 23(3): 242-247.
Abstract:
The purpose is to investigate the status and evolution of soil nutrients when traditional practice shifted to intensive one in Phyllostachys praecox plantation .Soil samples under 4 , 6 , 8 and 10-years intensive management respectively were collecte...
The purpose is to investigate the status and evolution of soil nutrients when traditional practice shifted to intensive one in Phyllostachys praecox plantation .Soil samples under 4 , 6 , 8 and 10-years intensive management respectively were collecte...
2006, 23(3): 248-254.
Abstract:
The characteristics of seasonal changes in the mass fractions of organic carbon and total nitrogen at three different layers of soil in different Phyllostachys pubescens stands were studied by the orientation research method . The results showed that...
The characteristics of seasonal changes in the mass fractions of organic carbon and total nitrogen at three different layers of soil in different Phyllostachys pubescens stands were studied by the orientation research method . The results showed that...
2006, 23(3): 255-258.
Abstract:
The purpose is to explore the function of microbes in the litter decompose and its change in different air temperatures .The seasonal dynamics of quantity of bacteria , fungi and actinomycetes f rom different litters (Vatica mangachapoi , Schima supe...
The purpose is to explore the function of microbes in the litter decompose and its change in different air temperatures .The seasonal dynamics of quantity of bacteria , fungi and actinomycetes f rom different litters (Vatica mangachapoi , Schima supe...
2006, 23(3): 259-264.
Abstract:
The research was on progenies of open-pollinated families from clonal seed orchards of Cupressus funebris at age of 15 .It is showed that the average growth of the height , diameter at breast height and stem volume of offspring in clonal seed orchard...
The research was on progenies of open-pollinated families from clonal seed orchards of Cupressus funebris at age of 15 .It is showed that the average growth of the height , diameter at breast height and stem volume of offspring in clonal seed orchard...
2006, 23(3): 265-269.
Abstract:
To establish the maps of two-dimensional differential gel electrophoresis , the dwarfing mechanism of the mutant in Cunninghamia lanceolata was analyzed .The leaves from normal and dwarf plants were ground into powder with liquid nitrogen .The total ...
To establish the maps of two-dimensional differential gel electrophoresis , the dwarfing mechanism of the mutant in Cunninghamia lanceolata was analyzed .The leaves from normal and dwarf plants were ground into powder with liquid nitrogen .The total ...
2006, 23(3): 270-274.
Abstract:
The pollen viability were tested by means of TTC , inorganic acid and germination in vitro .The results showed that only when in vitro mediumwas added PEG , the pollen germiation rate could be improved and represent the pollen viability .The best mol...
The pollen viability were tested by means of TTC , inorganic acid and germination in vitro .The results showed that only when in vitro mediumwas added PEG , the pollen germiation rate could be improved and represent the pollen viability .The best mol...
2006, 23(3): 275-279.
Abstract:
The cambium of Camptotheca acuminata is non-stratified .In the subsequent development of cambium, with the increasing stem age , the length of fusiform initials increases and the length of ray initials decreases .The cambial activity is similar to th...
The cambium of Camptotheca acuminata is non-stratified .In the subsequent development of cambium, with the increasing stem age , the length of fusiform initials increases and the length of ray initials decreases .The cambial activity is similar to th...
2006, 23(3): 280-284.
Abstract:
Camptothecin is produced by Camptotheca acuminata , which is a secondary metabolite with strong antitumor activity .To sustain a stable production of camptothecin , a number of attempts have been made for production of camptothecin by cell culture wi...
Camptothecin is produced by Camptotheca acuminata , which is a secondary metabolite with strong antitumor activity .To sustain a stable production of camptothecin , a number of attempts have been made for production of camptothecin by cell culture wi...
2006, 23(3): 285-289.
Abstract:
Electric conductivities were used to measure the ability of 24 evergreen broad-leaved tree species to withstand the rigors of cold temperature .These plants such as Cinnamomum camphora , Ilex latifolia and Cyclobalanopsis gracilis that naturally dist...
Electric conductivities were used to measure the ability of 24 evergreen broad-leaved tree species to withstand the rigors of cold temperature .These plants such as Cinnamomum camphora , Ilex latifolia and Cyclobalanopsis gracilis that naturally dist...
2006, 23(3): 290-296.
Abstract:
Based on the investigation of Juglans mandshurica community by the sample plots , its structure and species diversity are analyzed .It turns out that there are 156 vascular species in the Juglans mandshurica community , belonging to 55 families 111 g...
Based on the investigation of Juglans mandshurica community by the sample plots , its structure and species diversity are analyzed .It turns out that there are 156 vascular species in the Juglans mandshurica community , belonging to 55 families 111 g...
2006, 23(3): 297-300.
Abstract:
To overcome the sharp conflicts between the expansion of Phyllostachys pubescens stands and the protection of the biodiversity in National Nature Reserve of Mount Tianmn , the areas of Phyllostachys pubescens stands in the nature reserve in 1985 , 19...
To overcome the sharp conflicts between the expansion of Phyllostachys pubescens stands and the protection of the biodiversity in National Nature Reserve of Mount Tianmn , the areas of Phyllostachys pubescens stands in the nature reserve in 1985 , 19...
2006, 23(3): 301-305.
Abstract:
The results of the field survey of the tourism resources in Linzhi of Tibet showed that the tourism resources in this area were characterized by large quantity , diversified types , distinct features , good taste and good integration.The attraction t...
The results of the field survey of the tourism resources in Linzhi of Tibet showed that the tourism resources in this area were characterized by large quantity , diversified types , distinct features , good taste and good integration.The attraction t...
2006, 23(3): 306-310.
Abstract:
Heptacodium miconioides is a rare and endangered plant .Different organs of Heptacodium miconioides including flowers , leaves , and so on , were extracted with different solvents such as 70 % ethanol , 60 %acetone and boiled water .The anti-bacteria...
Heptacodium miconioides is a rare and endangered plant .Different organs of Heptacodium miconioides including flowers , leaves , and so on , were extracted with different solvents such as 70 % ethanol , 60 %acetone and boiled water .The anti-bacteria...
2006, 23(3): 311-315.
Abstract:
Frogs of Kaloula verrucosa annually are revival before rainy season beginning and hibernate after rainy season ended .Their habit is especial compared with other species of anuran .In order to know the reproductive behaviour of Kaloula verrucosa , it...
Frogs of Kaloula verrucosa annually are revival before rainy season beginning and hibernate after rainy season ended .Their habit is especial compared with other species of anuran .In order to know the reproductive behaviour of Kaloula verrucosa , it...
2006, 23(3): 316-322.
Abstract:
Orthopteran diversities of 10 ecosystems were investigated by sweep netting method in dry-hot valley of Yuanmou , Yunnan .349 orthopteran samples including 25 species were collected .Among them , Acridoidea was the most abundant , with 19 species occ...
Orthopteran diversities of 10 ecosystems were investigated by sweep netting method in dry-hot valley of Yuanmou , Yunnan .349 orthopteran samples including 25 species were collected .Among them , Acridoidea was the most abundant , with 19 species occ...
2006, 23(3): 323-327.
Abstract:
Bioacoustics is an interdisciplinary course of ethology and physical acoustics .Bioacoustics enters a new research phase and shows powerful vitality with multidisciplinary penetration , communication and promotion . Birdsong is one of the most active...
Bioacoustics is an interdisciplinary course of ethology and physical acoustics .Bioacoustics enters a new research phase and shows powerful vitality with multidisciplinary penetration , communication and promotion . Birdsong is one of the most active...
2006, 23(3): 328-333.
Abstract:
Wetland has great ecological and environmental value .Every country attaches much importance to the protection and management of the wetland .There have been seven international meetings , of which the Fifth , the Sixth , and the Seventh are more imp...
Wetland has great ecological and environmental value .Every country attaches much importance to the protection and management of the wetland .There have been seven international meetings , of which the Fifth , the Sixth , and the Seventh are more imp...
2006, 23(3): 334-337.
Abstract:
Torreya grandis 'Merrillii' , which only produced in China , is an elite cultivar for its high economic and ecological values .In order to get a clear prospect of the development future of T. grandis 'Merrillii' in Hangzhou , an investigation into th...
Torreya grandis 'Merrillii' , which only produced in China , is an elite cultivar for its high economic and ecological values .In order to get a clear prospect of the development future of T. grandis 'Merrillii' in Hangzhou , an investigation into th...
2006, 23(3): 338-341.
Abstract:
Since 1980 , the property right of the state-owned forest had changed enormously in Zhejiang .As far as the range and scale were concerned , the property rights were changing constantly and the forms were becoming more diversified .The changes were c...
Since 1980 , the property right of the state-owned forest had changed enormously in Zhejiang .As far as the range and scale were concerned , the property rights were changing constantly and the forms were becoming more diversified .The changes were c...
2006, 23(3): 342-346.
Abstract:
Through investigations into a portion of Chinese ancient books , it was discovered that the emergence of Chinese ancient grafting was enlightened by the phenomenon of two branches of different trees twined together in nature .Before the WesternHan Dy...
Through investigations into a portion of Chinese ancient books , it was discovered that the emergence of Chinese ancient grafting was enlightened by the phenomenon of two branches of different trees twined together in nature .Before the WesternHan Dy...
2006, 23(3): 347-350.
Abstract:
The bulb segments of Lycoris albiflora were cultured in vitro onMS mediums supplemented with different concentrations of BA and NAA .The results showed that the highest induction frequency (100 %)was obtained on the medium of MS +BA (1.0 mgL-1) +NAA ...
The bulb segments of Lycoris albiflora were cultured in vitro onMS mediums supplemented with different concentrations of BA and NAA .The results showed that the highest induction frequency (100 %)was obtained on the medium of MS +BA (1.0 mgL-1) +NAA ...
2006, 23(3): 351-356.
Abstract:
With the method of full-light and auto-interval mist cutting , the internal factors affecting rooting of cutting hardwood of Picea balfouriana were studied systematically .The effects of the hormone , wood types , wood length , direction of cutting ,...
With the method of full-light and auto-interval mist cutting , the internal factors affecting rooting of cutting hardwood of Picea balfouriana were studied systematically .The effects of the hormone , wood types , wood length , direction of cutting ,...
