Through two years of systematic investigation,it was found that Corythucha ciliata occurred in the main streets of Guangde City and spread rapidly to roads and streets of some villages and towns.The investigation foun...Through two years of systematic investigation,it was found that Corythucha ciliata occurred in the main streets of Guangde City and spread rapidly to roads and streets of some villages and towns.The investigation found that C.ciliata could harm indigenous tree species such as Broussonetia papyrifera,and could also quickly occupy the living space of thrips,the original leaf pest of local Platanus acerifolia.Literature review also suggested that the pest would also be a potential threat to indigenous tree species,such as Rhododendron simsii Planch,Prunus cerasifera Ehrhar,etc.Guangde City,located in the middle and lower reaches of the Yangtze River,was sunny,hot and dry in summer from 2021 to 2022.However,C.ciliata had no obvious diapause habits in summer,with strong adaptability.It was easy to control C.ciliata,but was difficult to eradicate the pest.According to the risk analysis index system of dangerous forest pests,the risk value of C.ciliata was determined as R=1.80,belonging to moderately dangerous pest in Guangde.Through quarantine,publicity,winter and summer management measures,the occurrence of C.ciliata was controlled to a certain extent,and the harm and transmission risk of the pest were reduced.展开更多
20102620 Chen Chuanfang(Southeastern Fujian Geology Party of Fujian Province,Quanzhou 362021,China)Preestimation of Flowing Yield from the Mine Pits of the Pantian Minefield in Anxi County,Fujian Province(Geology of F...20102620 Chen Chuanfang(Southeastern Fujian Geology Party of Fujian Province,Quanzhou 362021,China)Preestimation of Flowing Yield from the Mine Pits of the Pantian Minefield in Anxi County,Fujian Province(Geology of Fujian,ISSN1001-3970,CN35-1080/P,28(4),2009,p.315-319,1 illus.,2 tables,with English abstract)Key words:estimating water yield of mine。展开更多
On March 18th,2009 CNOOC Ltd.(HK:0883)announcedthe successful start-up of its PanYu(PY)30-1 gas field.Currently it is producing about 30 million cubic feet of naturalgas per day.PY30-1 is located in the Pearl River Mo...On March 18th,2009 CNOOC Ltd.(HK:0883)announcedthe successful start-up of its PanYu(PY)30-1 gas field.Currently it is producing about 30 million cubic feet of naturalgas per day.PY30-1 is located in the Pearl River Mouth basin in EasternSouth China Sea,about 240 kilometers southeast of展开更多
The Ministry of Environmental Protectionof China has recently passed the environmen-tal evaluation on some chemical projects tobe built.The 150 thousand
China broke ground for its first concession photovoltaic (PV)demonstration project-the 10 megawatt Dunhuang project-onthe Qili town desert,about 13 kilometers away from Dunhuangcity,on August 28th.A consortium formed ...China broke ground for its first concession photovoltaic (PV)demonstration project-the 10 megawatt Dunhuang project-onthe Qili town desert,about 13 kilometers away from Dunhuangcity,on August 28th.A consortium formed by China Guangdong Nuclear Power Hold-ing Co.,Ltd.,Belgium’s Enfinity,privately-held BEST Solar展开更多
文摘Through two years of systematic investigation,it was found that Corythucha ciliata occurred in the main streets of Guangde City and spread rapidly to roads and streets of some villages and towns.The investigation found that C.ciliata could harm indigenous tree species such as Broussonetia papyrifera,and could also quickly occupy the living space of thrips,the original leaf pest of local Platanus acerifolia.Literature review also suggested that the pest would also be a potential threat to indigenous tree species,such as Rhododendron simsii Planch,Prunus cerasifera Ehrhar,etc.Guangde City,located in the middle and lower reaches of the Yangtze River,was sunny,hot and dry in summer from 2021 to 2022.However,C.ciliata had no obvious diapause habits in summer,with strong adaptability.It was easy to control C.ciliata,but was difficult to eradicate the pest.According to the risk analysis index system of dangerous forest pests,the risk value of C.ciliata was determined as R=1.80,belonging to moderately dangerous pest in Guangde.Through quarantine,publicity,winter and summer management measures,the occurrence of C.ciliata was controlled to a certain extent,and the harm and transmission risk of the pest were reduced.
文摘20102620 Chen Chuanfang(Southeastern Fujian Geology Party of Fujian Province,Quanzhou 362021,China)Preestimation of Flowing Yield from the Mine Pits of the Pantian Minefield in Anxi County,Fujian Province(Geology of Fujian,ISSN1001-3970,CN35-1080/P,28(4),2009,p.315-319,1 illus.,2 tables,with English abstract)Key words:estimating water yield of mine。
文摘On March 18th,2009 CNOOC Ltd.(HK:0883)announcedthe successful start-up of its PanYu(PY)30-1 gas field.Currently it is producing about 30 million cubic feet of naturalgas per day.PY30-1 is located in the Pearl River Mouth basin in EasternSouth China Sea,about 240 kilometers southeast of
文摘The Ministry of Environmental Protectionof China has recently passed the environmen-tal evaluation on some chemical projects tobe built.The 150 thousand
文摘China broke ground for its first concession photovoltaic (PV)demonstration project-the 10 megawatt Dunhuang project-onthe Qili town desert,about 13 kilometers away from Dunhuangcity,on August 28th.A consortium formed by China Guangdong Nuclear Power Hold-ing Co.,Ltd.,Belgium’s Enfinity,privately-held BEST Solar
