Chinese giant salamander(Andrias davidianus)is salamander germplasm resource that only distributed in China.It is the material basis of the evolution principle research,genetic research and artificial breeding.Since t...Chinese giant salamander(Andrias davidianus)is salamander germplasm resource that only distributed in China.It is the material basis of the evolution principle research,genetic research and artificial breeding.Since the 1990s,overharvesting,water pollution and habitat changes have seriously destroyed the germplasm resources of A.davidianus,their population density has decreased since then.Strengthening the protection and rational utilization of A.davidianus germplasm resources are key factors in impacting the healthy,stable and sustainable development of A.davidianus industry.Under the above background,we discussed the current problems with the protection for A.davidianus germplasm resources,put forward suggestions for the conservation of A.davidianus germplasm resources.It is expected to provide a reference to effective protection for A.davidianus germplasm resources,and provide a scientific foundation for further studies,so as to promote the high-quality development of related industry.展开更多
Wuyi Mountain,located in the north of Fujian Province,China,is renowned for its abundant medicinal plant resources.In July 2014,the 8th(second team)of Shenyang Pharmaceutical University’s Chinese Medicine Resources S...Wuyi Mountain,located in the north of Fujian Province,China,is renowned for its abundant medicinal plant resources.In July 2014,the 8th(second team)of Shenyang Pharmaceutical University’s Chinese Medicine Resources Scientific Expedition Team conducted field investigation in the area.Through specimen collection and extensive literature review,the team identified and analyzed 223 vascular plant species from 175 genera and 85 families.The most dominant families were Compositae and Rosaceae,and perennial herbs were the predominant species,accounting for 44.39%of the total species identified.Notably,we documented five precious and rare medicinal plants unique to Wuyi Mountain.This study updates the database of plant resources and diversity in the region,providing a valuable reference for future studies.Finally,we put forward some suggestions to enhance the conservation and sustainable utilization of Wuyi Mountain’s plant resources.展开更多
Taihang Mountains are situated between Shanxi Province and the North China Plain,spanning Beijing,Hebei,Shanxi,and Henan provinces and cities.The mountains extend from northeast to southwest for over 400 km,naturally ...Taihang Mountains are situated between Shanxi Province and the North China Plain,spanning Beijing,Hebei,Shanxi,and Henan provinces and cities.The mountains extend from northeast to southwest for over 400 km,naturally deviding the second step from the third one in China.The southeastern area of Taihang Mountains specifically refers to Changzhi City and Jincheng Administrative Region of Shanxi Province.Given Shanxi Province’s robust development plans for the southeast area of Taihang Mountains,the medicinal plant resources in this area will be affected.Therefore,it is imperative and urgent to conduct a comprehensive investigation and study on the medicinal plant resources in the southeast area of Taihang Mountains.By means of field investigation,literature review,and specimen identification,the plant resources and diversity of two counties in the southeast of Taihang Mountains were evaluated.The findings revealed 234 plants species across 172 genera in 70 families,primarily comprising angiosperms.The families with more species included Compositae,Leguminosae,Rosaceae,Labiatae,Ranunculaceae.Among the genera,those with more species were Cynanchum,Selaginella,Clematis,Thalictrum,and Rhamnus.A total of 114 medicinal plants were identified,constituting 48.72%of the total.Regarding medicinal parts,the concentration is in roots and rhizomes,followed by whole plants and fruits.On the basis of investigation and study,some suggestions on the development,utilization,and protection of medicinal plant resources in southeast Taihang Mountains were made.These suggestions provide valuable insights for the study on medicinal plant resources and vegetation in the southeast of Taihang Mountains,serving as a scientific basis for the protection and sustainable utilization of wild medicinal plant resources.展开更多
Balluk Mountain is located between the Tianshan Mountains and the Altai Mountains in Xinjiang Province.Influenced by the humid air and diverse landforms of Lake Alacuri,the unique climate of Mount Baluk nourishes exce...Balluk Mountain is located between the Tianshan Mountains and the Altai Mountains in Xinjiang Province.Influenced by the humid air and diverse landforms of Lake Alacuri,the unique climate of Mount Baluk nourishes excellent pastures and supports numerous wildlife,making it rich in plant resources.The 9th Shenyang Pharmaceutical University Chinese Medicine Resources Scientific Expedition Team conducted field investigations,literature reviews,and specimen identification to study the plant resources and diversity of Balluk Mountain in Xinjiang Province.A total of 235 species of medicinal plants belonging to 59 families and 159 genera were collected during the period from July to August 2015 in this area.The dominant families observed were Asteraceae,Caryophyllaceae,Lamiaceae,Ranunculaceae,Rosaceae and Umbelliferae,with 35,11,14,12,27,and 13 species respectively.These families account for over 47.4%of the total species collected,though comprising only 10.2%of the total number of families.At the genus level,Artemisia was found to be the most dominant genus with eight species,contributing to 0.63%of the total genera,while representing 3.4%of the total species abundance.Overall,this study provides an updated analysis of the plant resources and diversity in Balluk Mountain.Several species have been identified to possess significant medicinal properties and hold potential for various research fields,including natural product chemistry and drug development.The study also offers practical and meaningful suggestions for strengthening the protection and utilization of plant resources in the area.By implementing these suggestions,we can better preserve the plant diversity in Balluk Mountain and ensure the sustainable use of these valuable resources.展开更多
Dabie Mountains are located at the junction of Anhui,Henan and Hubei provinces in the East of China.With its varied altitude,climate,and soil texture,Dabie Mountains are extremely rich in wild plant resources.The 12th...Dabie Mountains are located at the junction of Anhui,Henan and Hubei provinces in the East of China.With its varied altitude,climate,and soil texture,Dabie Mountains are extremely rich in wild plant resources.The 12th Traditional Chinese Medicine(TCM)Resources Scientific Expedition Team of Shenyang Pharmaceutical University conducted a study on wild vascular plants resources,especially medicinal vascular plants,through field investigation,literature review and specimen identification.There were 472 species of vascular plants belonging to 347 genera and 125 families collected during July 2018 in this area,of which 424 species were medicinal vascular plants,accounting for 89.83%of the total.From the perspective of medicinal parts,most of the medicinal plants there have values in their roots and rhizomes,as well as the whole plants.The efficacy and characteristics of these pharmaceutical dimensions were also summarized and analyzed in detail.Besides,among the wild vascular plants collected,the most dominant families with the biggest numbers of species are Compositae,Lamiaceae,Liliaceae,Rosaceae,Leguminosae,Ranunculaceae,Saxifragaceae and Polygonaceae,and the dominant genus are Viola and Sedum.In terms of life form,perennial herbs are dominant,accounting for 55.72%of the total species,followed by some annual(or biennial)herbs,shrubs and lianas.Finally,recommendations are put forward for strengthening the protection and utilization of wild medicinal plant resources in Dabie Mountains.展开更多
Qaidam basin is an important part of National Key Development Area–Lanzhou-Xining Area,is a key region of resource development in Western Development,is a National Circular Economy Pilot Zone.The focus of
Yunnan and Guizhou are two provinces in Southwest China where in recent years drought disasters have occurred due to natural and human factors. This paper reviewed literature and summarized the related achievements of...Yunnan and Guizhou are two provinces in Southwest China where in recent years drought disasters have occurred due to natural and human factors. This paper reviewed literature and summarized the related achievements of water resources utilization and protection in Yunnan and Guizhou provinces. rivers, and karst ground water in the two provinces, and also This included characters and utilization of precipitation, the various explanations of drought (climate and human factors) and strategies for coping with droughts. Our concluding remarks highlight three lines of future studies: inequalities and equitable use of water distribution, better evaluation systems, and raising awareness through conservation practices.展开更多
Based on the general situation and genetic diversity of yellow cattle breed resources in China,this paper discusses the protection,development and utilization of Chinese yellow cattle breed resources,in order to provi...Based on the general situation and genetic diversity of yellow cattle breed resources in China,this paper discusses the protection,development and utilization of Chinese yellow cattle breed resources,in order to provide reference basis for the development,utilization and sustainable development of local yellow cattle breeds in China.展开更多
There are plentiful ecotourism resources at the estuary of the Yellow Rive. The characteristic of the resources are vast, wild. rare, peculiar and fresh. Some natural resources, ecotourism resources on the wetland nat...There are plentiful ecotourism resources at the estuary of the Yellow Rive. The characteristic of the resources are vast, wild. rare, peculiar and fresh. Some natural resources, ecotourism resources on the wetland nature reserve of the estuary, and the special landscape ecology resources are introduced in this paper. The author also suggests that the sustainable development of the travel industry at the estuary should be based on the protection and reasonable utilization of the ecosystem.展开更多
Aiming at utilization status of arable land resources in Anshun City,a Karst area,quantitative and qualitative analyses were performed from the viewpoints of quality,quantity and benefits of arable land.And the benefi...Aiming at utilization status of arable land resources in Anshun City,a Karst area,quantitative and qualitative analyses were performed from the viewpoints of quality,quantity and benefits of arable land.And the benefits of arable land were analyzed with multiple linear regression.Finally,the sustainable utilization of arable land resources was discussed,and several protection measures were pointed out.展开更多
Taibai Mountains,located at the northern foot of the Qinling Mountains,are composed of the Yuan Taibai Mountain(also known as East Taibai Mountain),Aoshan Mountain(also known as West Taibai Mountain)and their connecti...Taibai Mountains,located at the northern foot of the Qinling Mountains,are composed of the Yuan Taibai Mountain(also known as East Taibai Mountain),Aoshan Mountain(also known as West Taibai Mountain)and their connection part.With its complex geographical and climatic conditions,Taibai Mountains are extremely rich in wild plant resources.Based on field investigation,literature review and specimen identification,wild vascular plants resources and their diversity in Taibai Mountains were studied by the sixth Traditional Chinese Medicine(TCM)Resources Scientific Expedition Team of Shenyang Pharmaceutical University.222 species of vascular plants belonging to 163 genera and 63 families were collected during July 2012 in this area,and most of the plants are angiosperms.The families with more species are Liliaceae,Ranunculaceae,Asteraceae,Rosaceae,and Saxifragaceae,and the dominant genus are Aconitum,Sedum,Eleutherococcus,Pedicularis,Polygonatum,and Patrinia.In terms of life form,perennial herbs are the main species,accounting for 72.97%of the total species,with others being some annual(or biennial)herbs,shrubs and lianas.Among all the collected vascular plants,170 species of them are medicinal vascular plants,accounting for 76.58%of the total.Most of the medicinal parts are roots and rhizomes,followed by the whole plants.Finally,on the basis of investigation and study,some suggestions are put forward to strengthen the protection and utilization of plant resources in Taibai Mountains.展开更多
This paper examines the current status of water resource management and conservation in China,along with strategies to address the water resource crisis.Given the current situation,the paper highlights issues such as ...This paper examines the current status of water resource management and conservation in China,along with strategies to address the water resource crisis.Given the current situation,the paper highlights issues such as incomplete legal mechanisms,limited environmental awareness among enterprises,and insufficient government investment.To ad-dress these challenges,the paper proposes a series of strategies,including improving the ecological environment,enhanc-ing production techniques,strengthening management systems,rationalizing water resource allocation,and implementing water-saving measures in both industrial and agricultural production.These strategies serve to achieve sustainable water resource management,reduce water pollution,and effectively tackle the pressing water resource issues faced in China currently.展开更多
Product design plays a decisive role in material resource consumption in manufacturing systems. So it is significant to study optimal utilization of material resources of manufacturing system from the perspective of p...Product design plays a decisive role in material resource consumption in manufacturing systems. So it is significant to study optimal utilization of material resources of manufacturing system from the perspective of product design. This paper firstly defines concept of product design, then after an analysis of design objectives the author proposes a target system of product design with three subsystems: structural system, functional system, and technical system. Finally, a product design system on Architectural Metal Structure Enterprises is developed and used in light of the great consumption of material resources in Metal Structure Enterprises. The system has got an obvious effect on improving comprehensive optimal using rate of material resources of enterprises, reducing design cycle, improving management of enterprises.展开更多
Wuzhishan,located in the central part of Hainan Island and characterized by undulating terrain and diverse vegetation,is rich in plants.In October 2020,field investigations were carried out by the 14th Shenyang Pharma...Wuzhishan,located in the central part of Hainan Island and characterized by undulating terrain and diverse vegetation,is rich in plants.In October 2020,field investigations were carried out by the 14th Shenyang Pharmaceutical University Chinese Medicine Resources Scientific Expedition Team.Through specimen collection and literature retrieval,the team collected and analyzed vascular plants,resulting in the identification of 455 species belonging to 328 genera in 145 families.The dominant families are Leguminosae,Malvaceae,Compositae,Rubiaceae,Lauraceae,Pteridaceae,and Polypodiaceae.The main dominant species were perennial herb,comprising 147 species,32.31%of the total.From the 367 species of medicinal vascular plants,the team screened and recorded 20 species of Li medicine according to indications of the medicinal use and the part of the plant used.As a result,the dominant families of vascular plants were similar to medicinal vascular plants,which means vascular plants is an important medicinal resource in Wuzhishan.Based on the investigation and research,further suggestions were made to strengthen the conservation and utilization of plant resources in Wuzhishan.展开更多
Glycine soja or wild soybean is the wild ancestor of the soybean, being an important source for property improvement and variety breeding. With abundant wild soybeans, their habitat is undermining, and wild soybeans a...Glycine soja or wild soybean is the wild ancestor of the soybean, being an important source for property improvement and variety breeding. With abundant wild soybeans, their habitat is undermining, and wild soybeans are facing increasing- ly threatened in Shandong if measures are not taken yet. Besides, wild soybean germplasm is far from further exploiting or using. The research analyzed status quo and problems of wild soybean germplasm posed countermeasures or suggestions in crop germplasm conservation and use. resources conservation and use and pro- order to provide references for agricultural crop germplasm conservation and use.展开更多
A brief introduction to Baosteel's steelmaking plant,the increase of its crude steel output and development of its product variety in the past 25 years is given in this paper.The technical progress in hot metal pr...A brief introduction to Baosteel's steelmaking plant,the increase of its crude steel output and development of its product variety in the past 25 years is given in this paper.The technical progress in hot metal pretreatment,converter,secondary refining,continuous casting,comprehensive utilization of resources and environmental protection is also introduced.The present situation and level of the technologies,such as production of clean steel,RH vacuum refining,breakout prediction system of slab continuous casting, electromagnetic stirring and slag treatment by a rotary cylinder at Baosteel are described as well.These technologies provided good conditions for developing high value-added products and comprehensive utilization of resources at Baosteel.The future development trend of steelmaking technology of Baosteel is proposed.展开更多
Strengthening the environmental protection, deepening rural reform, increasing agricultural input, and promoting a more stable and higher-speed growth of peasants' income, all of these are playing a very important ro...Strengthening the environmental protection, deepening rural reform, increasing agricultural input, and promoting a more stable and higher-speed growth of peasants' income, all of these are playing a very important role in the sustainable development of agriculture. The environment problems are not only economic problems, but also important political problems. And they constitute an urgent and arduous task that we meet, and need a long time to be conquered. Under the present new historical circumstances, we should establish a scientific development philosophy, strengthen the environment protection, and build up a harmonious society in which urban and rural areas are progressing coordinately.展开更多
基金Supported by the Project of Henan Province for Tackling Key Problems in Science and Technology(212102110386)the National Spark Program Project(2011ga750009).
文摘Chinese giant salamander(Andrias davidianus)is salamander germplasm resource that only distributed in China.It is the material basis of the evolution principle research,genetic research and artificial breeding.Since the 1990s,overharvesting,water pollution and habitat changes have seriously destroyed the germplasm resources of A.davidianus,their population density has decreased since then.Strengthening the protection and rational utilization of A.davidianus germplasm resources are key factors in impacting the healthy,stable and sustainable development of A.davidianus industry.Under the above background,we discussed the current problems with the protection for A.davidianus germplasm resources,put forward suggestions for the conservation of A.davidianus germplasm resources.It is expected to provide a reference to effective protection for A.davidianus germplasm resources,and provide a scientific foundation for further studies,so as to promote the high-quality development of related industry.
文摘Wuyi Mountain,located in the north of Fujian Province,China,is renowned for its abundant medicinal plant resources.In July 2014,the 8th(second team)of Shenyang Pharmaceutical University’s Chinese Medicine Resources Scientific Expedition Team conducted field investigation in the area.Through specimen collection and extensive literature review,the team identified and analyzed 223 vascular plant species from 175 genera and 85 families.The most dominant families were Compositae and Rosaceae,and perennial herbs were the predominant species,accounting for 44.39%of the total species identified.Notably,we documented five precious and rare medicinal plants unique to Wuyi Mountain.This study updates the database of plant resources and diversity in the region,providing a valuable reference for future studies.Finally,we put forward some suggestions to enhance the conservation and sustainable utilization of Wuyi Mountain’s plant resources.
文摘Taihang Mountains are situated between Shanxi Province and the North China Plain,spanning Beijing,Hebei,Shanxi,and Henan provinces and cities.The mountains extend from northeast to southwest for over 400 km,naturally deviding the second step from the third one in China.The southeastern area of Taihang Mountains specifically refers to Changzhi City and Jincheng Administrative Region of Shanxi Province.Given Shanxi Province’s robust development plans for the southeast area of Taihang Mountains,the medicinal plant resources in this area will be affected.Therefore,it is imperative and urgent to conduct a comprehensive investigation and study on the medicinal plant resources in the southeast area of Taihang Mountains.By means of field investigation,literature review,and specimen identification,the plant resources and diversity of two counties in the southeast of Taihang Mountains were evaluated.The findings revealed 234 plants species across 172 genera in 70 families,primarily comprising angiosperms.The families with more species included Compositae,Leguminosae,Rosaceae,Labiatae,Ranunculaceae.Among the genera,those with more species were Cynanchum,Selaginella,Clematis,Thalictrum,and Rhamnus.A total of 114 medicinal plants were identified,constituting 48.72%of the total.Regarding medicinal parts,the concentration is in roots and rhizomes,followed by whole plants and fruits.On the basis of investigation and study,some suggestions on the development,utilization,and protection of medicinal plant resources in southeast Taihang Mountains were made.These suggestions provide valuable insights for the study on medicinal plant resources and vegetation in the southeast of Taihang Mountains,serving as a scientific basis for the protection and sustainable utilization of wild medicinal plant resources.
文摘Balluk Mountain is located between the Tianshan Mountains and the Altai Mountains in Xinjiang Province.Influenced by the humid air and diverse landforms of Lake Alacuri,the unique climate of Mount Baluk nourishes excellent pastures and supports numerous wildlife,making it rich in plant resources.The 9th Shenyang Pharmaceutical University Chinese Medicine Resources Scientific Expedition Team conducted field investigations,literature reviews,and specimen identification to study the plant resources and diversity of Balluk Mountain in Xinjiang Province.A total of 235 species of medicinal plants belonging to 59 families and 159 genera were collected during the period from July to August 2015 in this area.The dominant families observed were Asteraceae,Caryophyllaceae,Lamiaceae,Ranunculaceae,Rosaceae and Umbelliferae,with 35,11,14,12,27,and 13 species respectively.These families account for over 47.4%of the total species collected,though comprising only 10.2%of the total number of families.At the genus level,Artemisia was found to be the most dominant genus with eight species,contributing to 0.63%of the total genera,while representing 3.4%of the total species abundance.Overall,this study provides an updated analysis of the plant resources and diversity in Balluk Mountain.Several species have been identified to possess significant medicinal properties and hold potential for various research fields,including natural product chemistry and drug development.The study also offers practical and meaningful suggestions for strengthening the protection and utilization of plant resources in the area.By implementing these suggestions,we can better preserve the plant diversity in Balluk Mountain and ensure the sustainable use of these valuable resources.
文摘Dabie Mountains are located at the junction of Anhui,Henan and Hubei provinces in the East of China.With its varied altitude,climate,and soil texture,Dabie Mountains are extremely rich in wild plant resources.The 12th Traditional Chinese Medicine(TCM)Resources Scientific Expedition Team of Shenyang Pharmaceutical University conducted a study on wild vascular plants resources,especially medicinal vascular plants,through field investigation,literature review and specimen identification.There were 472 species of vascular plants belonging to 347 genera and 125 families collected during July 2018 in this area,of which 424 species were medicinal vascular plants,accounting for 89.83%of the total.From the perspective of medicinal parts,most of the medicinal plants there have values in their roots and rhizomes,as well as the whole plants.The efficacy and characteristics of these pharmaceutical dimensions were also summarized and analyzed in detail.Besides,among the wild vascular plants collected,the most dominant families with the biggest numbers of species are Compositae,Lamiaceae,Liliaceae,Rosaceae,Leguminosae,Ranunculaceae,Saxifragaceae and Polygonaceae,and the dominant genus are Viola and Sedum.In terms of life form,perennial herbs are dominant,accounting for 55.72%of the total species,followed by some annual(or biennial)herbs,shrubs and lianas.Finally,recommendations are put forward for strengthening the protection and utilization of wild medicinal plant resources in Dabie Mountains.
基金sponsored by China Academy of Engineering Major Consulting Project (No: 2012-ZD-14)
文摘Qaidam basin is an important part of National Key Development Area–Lanzhou-Xining Area,is a key region of resource development in Western Development,is a National Circular Economy Pilot Zone.The focus of
基金funded by the National Social Science Foundation of China (No. 10CGL050)
文摘Yunnan and Guizhou are two provinces in Southwest China where in recent years drought disasters have occurred due to natural and human factors. This paper reviewed literature and summarized the related achievements of water resources utilization and protection in Yunnan and Guizhou provinces. rivers, and karst ground water in the two provinces, and also This included characters and utilization of precipitation, the various explanations of drought (climate and human factors) and strategies for coping with droughts. Our concluding remarks highlight three lines of future studies: inequalities and equitable use of water distribution, better evaluation systems, and raising awareness through conservation practices.
基金Supported by Ya'an Key Science and Technology Project(2018YYJSKF07).
文摘Based on the general situation and genetic diversity of yellow cattle breed resources in China,this paper discusses the protection,development and utilization of Chinese yellow cattle breed resources,in order to provide reference basis for the development,utilization and sustainable development of local yellow cattle breeds in China.
文摘There are plentiful ecotourism resources at the estuary of the Yellow Rive. The characteristic of the resources are vast, wild. rare, peculiar and fresh. Some natural resources, ecotourism resources on the wetland nature reserve of the estuary, and the special landscape ecology resources are introduced in this paper. The author also suggests that the sustainable development of the travel industry at the estuary should be based on the protection and reasonable utilization of the ecosystem.
基金Supported by Natural Science Youth Project of Education Department of Guizhou Province (Guizhou Education Science 2008085)
文摘Aiming at utilization status of arable land resources in Anshun City,a Karst area,quantitative and qualitative analyses were performed from the viewpoints of quality,quantity and benefits of arable land.And the benefits of arable land were analyzed with multiple linear regression.Finally,the sustainable utilization of arable land resources was discussed,and several protection measures were pointed out.
文摘Taibai Mountains,located at the northern foot of the Qinling Mountains,are composed of the Yuan Taibai Mountain(also known as East Taibai Mountain),Aoshan Mountain(also known as West Taibai Mountain)and their connection part.With its complex geographical and climatic conditions,Taibai Mountains are extremely rich in wild plant resources.Based on field investigation,literature review and specimen identification,wild vascular plants resources and their diversity in Taibai Mountains were studied by the sixth Traditional Chinese Medicine(TCM)Resources Scientific Expedition Team of Shenyang Pharmaceutical University.222 species of vascular plants belonging to 163 genera and 63 families were collected during July 2012 in this area,and most of the plants are angiosperms.The families with more species are Liliaceae,Ranunculaceae,Asteraceae,Rosaceae,and Saxifragaceae,and the dominant genus are Aconitum,Sedum,Eleutherococcus,Pedicularis,Polygonatum,and Patrinia.In terms of life form,perennial herbs are the main species,accounting for 72.97%of the total species,with others being some annual(or biennial)herbs,shrubs and lianas.Among all the collected vascular plants,170 species of them are medicinal vascular plants,accounting for 76.58%of the total.Most of the medicinal parts are roots and rhizomes,followed by the whole plants.Finally,on the basis of investigation and study,some suggestions are put forward to strengthen the protection and utilization of plant resources in Taibai Mountains.
文摘This paper examines the current status of water resource management and conservation in China,along with strategies to address the water resource crisis.Given the current situation,the paper highlights issues such as incomplete legal mechanisms,limited environmental awareness among enterprises,and insufficient government investment.To ad-dress these challenges,the paper proposes a series of strategies,including improving the ecological environment,enhanc-ing production techniques,strengthening management systems,rationalizing water resource allocation,and implementing water-saving measures in both industrial and agricultural production.These strategies serve to achieve sustainable water resource management,reduce water pollution,and effectively tackle the pressing water resource issues faced in China currently.
基金Foundation item: Funded by China 863 R&D Program(No: 2002AA414080)
文摘Product design plays a decisive role in material resource consumption in manufacturing systems. So it is significant to study optimal utilization of material resources of manufacturing system from the perspective of product design. This paper firstly defines concept of product design, then after an analysis of design objectives the author proposes a target system of product design with three subsystems: structural system, functional system, and technical system. Finally, a product design system on Architectural Metal Structure Enterprises is developed and used in light of the great consumption of material resources in Metal Structure Enterprises. The system has got an obvious effect on improving comprehensive optimal using rate of material resources of enterprises, reducing design cycle, improving management of enterprises.
文摘Wuzhishan,located in the central part of Hainan Island and characterized by undulating terrain and diverse vegetation,is rich in plants.In October 2020,field investigations were carried out by the 14th Shenyang Pharmaceutical University Chinese Medicine Resources Scientific Expedition Team.Through specimen collection and literature retrieval,the team collected and analyzed vascular plants,resulting in the identification of 455 species belonging to 328 genera in 145 families.The dominant families are Leguminosae,Malvaceae,Compositae,Rubiaceae,Lauraceae,Pteridaceae,and Polypodiaceae.The main dominant species were perennial herb,comprising 147 species,32.31%of the total.From the 367 species of medicinal vascular plants,the team screened and recorded 20 species of Li medicine according to indications of the medicinal use and the part of the plant used.As a result,the dominant families of vascular plants were similar to medicinal vascular plants,which means vascular plants is an important medicinal resource in Wuzhishan.Based on the investigation and research,further suggestions were made to strengthen the conservation and utilization of plant resources in Wuzhishan.
基金Supported by National Science&Technology Pillar Program during the Twelfth Fiveyear Plan Period(2013BAD01B0106)Sub-platform in Shandong Province of National Infrastructure of Plant Germplasm Resources(NICGR2015/2016-032)+2 种基金Shandong Provicne Modern Agricultural Technology System Coarse Cereals Innovation Team(SDAIT-15-01)Youth Foundation of Shandong Academy of Agricultural Sciences(2016YQN19)Agricultural Science&Technology Innovation Program of Shandong Academy of Agricultural Sciences(CXGC2016A02/A12)~~
文摘Glycine soja or wild soybean is the wild ancestor of the soybean, being an important source for property improvement and variety breeding. With abundant wild soybeans, their habitat is undermining, and wild soybeans are facing increasing- ly threatened in Shandong if measures are not taken yet. Besides, wild soybean germplasm is far from further exploiting or using. The research analyzed status quo and problems of wild soybean germplasm posed countermeasures or suggestions in crop germplasm conservation and use. resources conservation and use and pro- order to provide references for agricultural crop germplasm conservation and use.
文摘A brief introduction to Baosteel's steelmaking plant,the increase of its crude steel output and development of its product variety in the past 25 years is given in this paper.The technical progress in hot metal pretreatment,converter,secondary refining,continuous casting,comprehensive utilization of resources and environmental protection is also introduced.The present situation and level of the technologies,such as production of clean steel,RH vacuum refining,breakout prediction system of slab continuous casting, electromagnetic stirring and slag treatment by a rotary cylinder at Baosteel are described as well.These technologies provided good conditions for developing high value-added products and comprehensive utilization of resources at Baosteel.The future development trend of steelmaking technology of Baosteel is proposed.
文摘Strengthening the environmental protection, deepening rural reform, increasing agricultural input, and promoting a more stable and higher-speed growth of peasants' income, all of these are playing a very important role in the sustainable development of agriculture. The environment problems are not only economic problems, but also important political problems. And they constitute an urgent and arduous task that we meet, and need a long time to be conquered. Under the present new historical circumstances, we should establish a scientific development philosophy, strengthen the environment protection, and build up a harmonious society in which urban and rural areas are progressing coordinately.