This paper delves into Agile Development Methods in Software Engineering,contrasting them with the traditional Waterfall model and analyzing their efficiency.Agile methods,known for their adaptability and customer-cen...This paper delves into Agile Development Methods in Software Engineering,contrasting them with the traditional Waterfall model and analyzing their efficiency.Agile methods,known for their adaptability and customer-centric approach,have gained prominence in the fast-paced software development industry.These methods,including Scrum,Kanban,and Extreme Programming(XP),are characterized by iterative cycles,collaborative efforts,and a focus on rapid delivery and quality improvement.The paper compares these agile methodologies to the sequential and rigid Waterfall model,highlighting agile’s superior flexibility,adaptability,and responsiveness to changing requirements.It emphasizes the importance of customer involvement in agile processes,which leads to higher satisfaction and better alignment with user expectations.The analysis reveals that agile methods not only enhance the speed of delivery but also improve the overall quality of the software product.The paper concludes that agile methodologies are more effective in today's dynamic software development environment,providing a robust framework for managing complex projects and ensuring the delivery of high-quality,relevant software solutions.展开更多
Under the background of“new engineering”construction,software engineering teaching pays more attention to cultivating students’engineering practice and innovation ability.In view of the inconsistency between develo...Under the background of“new engineering”construction,software engineering teaching pays more attention to cultivating students’engineering practice and innovation ability.In view of the inconsistency between development and demand design,team division of labor,difficult measurement of individual contribution,single assessment method,and other problems in traditional practice teaching,this paper proposes that under the guidance of agile development methods,software engineering courses should adopt Scrum framework to organize course project practice,use agile collaboration platform to implement individual work,follow up experiment progress,and ensure effective project advancement.The statistical data of curriculum“diversity”assessment show that there is an obvious improvement effect on students’software engineering ability and quality.展开更多
The uncertainty of distributed generation energy has dramatically challenged the coordinated development of distribution networks at all levels.This paper focuses on the multi-time-scale regulation model of distribute...The uncertainty of distributed generation energy has dramatically challenged the coordinated development of distribution networks at all levels.This paper focuses on the multi-time-scale regulation model of distributed generation energy under normal conditions.The simulation results of the example verify the self-optimization characteristics and the effectiveness of real-time dispatching of the distribution network control technology at all levels under multiple time scales.展开更多
China Petroleum Design & Engineering Company (CPDEC) is a new corporation established in the year 2001. The company puts forward its development objectives for becoming a first-class national and international des...China Petroleum Design & Engineering Company (CPDEC) is a new corporation established in the year 2001. The company puts forward its development objectives for becoming a first-class national and international desigh firm within 5 to 10 years. In this paper, the theories and techniques related to the business environment and strategy are used to make an analysis of the companys development objectives. According to the analysis of the environment and internal conditions of CPDEC, we suggest adoping the strategic measures for reaching the development objectives on the basis of the SWOT (the acronym of Strengths, Weaknesses, Opportunities and Threats) analysis method. Some conclusions and recommendations on the companys situation and strategies are given.展开更多
Cell and Tissue Engineering provides exciting opportunities for studying development and Disease.In this talk,we will focus on cell chirality,also known as handedness and left-right(LR)asymmetry,which is an intrinsic ...Cell and Tissue Engineering provides exciting opportunities for studying development and Disease.In this talk,we will focus on cell chirality,also known as handedness and left-right(LR)asymmetry,which is an intrinsic capability of the cell telling left from right(1)The development of the vertebrate body plan with left-right asymmetry requires the emerging chiral morphogenesis at multicellular levels at specific embryonic stages.Changes in orientation of the LR axis due to genetic or environmental factors can lead to malformations and disease.However,the concept of cell chirality has never studied in detail until the recent development of novel engineering tools[2-3].We demonstrate that the cultivation of cells on micropatterned 2D surfaces and in 3D graded hydrogels reveals an intrinsic cellular LR asymmetry,which is dependent of cell phenotype and actin cytoskeleton.With these new tools,we examine the role of cell chirality on the embryonic development of cardiac LR asymmetry [4] as well as the barrier function of endothelium layers [5].We find that Protein Kinase C(PKC)activation reverses the inherent chirality from clockwise to counter clockwise in engineering systems [4-5].Interestingly,activation of PKC signaling reverses the directional bias of chick cardiac C-looping [4].Mediating endothelial cell chirality can regulate the permeability of endothelial layers[5].Overall,our results strongly suggest critical roles of cell chirality in cardiovascular development and disease.展开更多
Product development process management plays an important role in concurrent engineering (CE). The integration platform is a useful tool for effectively supporting the software development and integration. Based on th...Product development process management plays an important role in concurrent engineering (CE). The integration platform is a useful tool for effectively supporting the software development and integration. Based on the analysis of practical requirements for product development process management for CE, a CORBA-based integration platform of product development process management (IP-PDPM) is designed and developed. The design principles for IP-PDPM are described. The system architecture and functions of the platform are given, the key technologies for the implementation of IP-PDPM are presented, the application integration mechanism and its implementation techniques are also detailed.展开更多
Based on the advantages of the application of Building Information Modelling(BIM)technology in highway engineering,this paper analyzes the difficulties of its in-depth application,grasps the pain points of the applica...Based on the advantages of the application of Building Information Modelling(BIM)technology in highway engineering,this paper analyzes the difficulties of its in-depth application,grasps the pain points of the application of BIM technology in practice,and approaches from the integration of BIM design-construction.This paper also puts forward the integration of cross-stage information based on the BIM+Geographic Information System(GIS)construction information management system to realize the BIM whole life cycle management,and provides directional support for the continuous and efficient application of BIM technology in engineering practice.展开更多
To keep up with the time,culture is integrated to large-scale construction project management in China,which will absolutely add more vitality into construction project management in our country.Engineering culture is...To keep up with the time,culture is integrated to large-scale construction project management in China,which will absolutely add more vitality into construction project management in our country.Engineering culture is an integration of project construction and engineering culture.However,engineering culture development enjoys its own particularity as a project is constructed once only within a limited period of time.This paper gives affirmative opinion that engineering culture development in large-scale projects backs project management on the basis of thorough investigation of engineering culture development in Sutong Bridge Project and after deepened analysis,proposes new thinking pattern of engineering culture development in large-scale projects in a systematic manner,including thorough understanding of the essence of engineering culture,principle and contents of engineering culture development as well as efficient method in respect of establishment and implementation of engineering culture,and therefore provides a standard reference and systematic thinking pattern for engineering culture development in future large-scale projects.展开更多
In 2012, on the occasion of 20th anniversary, National Engineering Research Center for Refractories, registered in Sinosteel LIRR, got " Excellent Achievement Prize" from National Development and Reform Commission ...In 2012, on the occasion of 20th anniversary, National Engineering Research Center for Refractories, registered in Sinosteel LIRR, got " Excellent Achievement Prize" from National Development and Reform Commission for its demonstration function and outstanding achievments.展开更多
With the rapid development of China's urban construction, the acceleration of urbanization and the rapid expansion of population, the effective development and utilization of urban underground space have attracted...With the rapid development of China's urban construction, the acceleration of urbanization and the rapid expansion of population, the effective development and utilization of urban underground space have attracted great attention. Therefore, it is inevitable to study the comprehensive technology of deep underground engineering, and the research results will play an important guiding role in the design and construction of middle and shallow space of underground engineering in the future. This paper analyzes several common construction techniques and methods in the current construction process of urban underground engineering, summarizes the main construction methods of underground engineering, forecasts the development of urban underground engineering construction, and analyzes the safety risks of urban underground engineering construction.展开更多
Analysis is given to energy sources home and abroad, the employed and customer market in oceanographic engineering and necessity of its development. Risk out of system is put forward just after marine industry into oc...Analysis is given to energy sources home and abroad, the employed and customer market in oceanographic engineering and necessity of its development. Risk out of system is put forward just after marine industry into oceanographic engineering market. It also metions several influencing factors including politics, finance and ocean engineering materials.展开更多
Human science and technology continue to advance over time.In the future,universal drugs will gradually fade out of our lives with the accumulation of time.With the advancement of genetic engineering,future genetic en...Human science and technology continue to advance over time.In the future,universal drugs will gradually fade out of our lives with the accumulation of time.With the advancement of genetic engineering,future genetic engineering drugs will be based on each difference and due to It differs from person to person,and the development of genetic engineering pharmaceuticals will make breakthroughs.展开更多
Carbonate rock has the characteristics of complicated accumulation rules,large-scale development,high yield but unstable production.Therefore,the management and control of surface engineering projects of carbonate roc...Carbonate rock has the characteristics of complicated accumulation rules,large-scale development,high yield but unstable production.Therefore,the management and control of surface engineering projects of carbonate rock oil and gas reservoirs faces huge difficulties and challenges.The construction of surface engineering should conform to the principle of integrated underground and ground construction and adapt to the oilfield development model.This paper takes the newly added area A of the carbonated oil field as an example to study the ground engineering under the rolling development mode and aims to provide the constructive ideas for the surface engineering under rolling development mode.The overall regional process design adheres to the design concept of"environmental protection,efficiency,and innovation",strictly follows the design specifications,and combines reservoir engineering and oil production engineering programs,oil and gas physical properties and chemical composition,product programs,ground natural conditions,etc.According to the technical and economic analysis and comparison of area A,this paper has worked out a suitable surface engineering construction,pipeline network layout and oil and gas gathering and transportation plan for area A.Some auxiliary management recommendations are also proposed in this paper,like sand prevention management and HSE management for carbonate reservoirs.展开更多
<Abstract> This paper is the manuscript of a keynote lecture Presented at the 7th International Symposium on Biomedical & Rehabilitation Engineering held in Harbin,China in July 1997. In this paper,the autho...<Abstract> This paper is the manuscript of a keynote lecture Presented at the 7th International Symposium on Biomedical & Rehabilitation Engineering held in Harbin,China in July 1997. In this paper,the authors gave a brief historic review of rehabilitation engineering research in China first, and then discussed the present status. Through these discussions both the road blocks and new challenges can beseen clearly.Finally,some suggestions to promote rehabilitation engineering research in China and personal views on basic research for the development of rehabilitation engineering were presented.展开更多
Earth resources are the essential basis for an economy of a country and well-being of her citizens. Their exploitation is a key factor in economic growth and development of the nation, but one that can have serious ne...Earth resources are the essential basis for an economy of a country and well-being of her citizens. Their exploitation is a key factor in economic growth and development of the nation, but one that can have serious negative environmental and socio-economic impacts. Therefore it is important to understand their origin/occurrence and exploitation in terms of environmental sustainability. The human society has profited from exploitation of earth resources, precisely when energy use became much more efficient during the industrial era. Some of these earth resources (renewable and non-renewable) are oil and gas, coal, water, metal ore, wind, air etc. and their methods of exploitation are surface and subsurface mining methods [1]. Thus the geological perspectives of earth resources refer to origin and occurrence of these earth resources while the engineering perspectives refer to the processes involved in the extraction (mining), processing and utilization of the resources. To fulfill the requirement of sustainable development, the efficiency with which resources are utilized has to be improved. The main concerns associated with earth resources, therefore, are generally the costs and environmental impacts of extracting, transporting, and refining them. The economics of earth resources deals with the supply, demand and allocation of the resources.展开更多
In the course of creating immense wealth, manufacturing industry has excessively consumed the resources and energy in the earth, and seriously polluted the environment. To take progress as the sustainable development ...In the course of creating immense wealth, manufacturing industry has excessively consumed the resources and energy in the earth, and seriously polluted the environment. To take progress as the sustainable development way, save resource and improve environment, our nation has been advocating to construct the cycle economy and saving-oriented society. Taking the remanufacturing engineering as the representative, the “4R” rule (Reduce, Reuse, Recycle and Remanufacture) is the important measure to get the goal. Remanufacturing engineering is the industrialization of high-tech maintenance of the waste and worn productions, and is one of the most active factors in “4R”. The development of high and new technology takes the important effect to promote the remanufacturing engineering.展开更多
Agile Transformations are challenging processes for organizations that look to extend the benefits of Agile philosophy and methods beyond software engineering.Despite the impact of these transformations on orga-nizati...Agile Transformations are challenging processes for organizations that look to extend the benefits of Agile philosophy and methods beyond software engineering.Despite the impact of these transformations on orga-nizations,they have not been extensively studied in academia.We conducted a study grounded in workshops and interviews with 99 participants from 30 organizations,including organizations undergoing transformations(“final organizations”)and companies supporting these processes(“consultants”).The study aims to understand the motivations,objectives,and factors driving and challenging these transformations.Over 700 responses were collected to the question and categorized into 32 objectives.The findings show that organizations primarily aim to achieve customer centricity and adaptability,both with 8%of the mentions.Other primary important objectives,with above 4%of mentions,include alignment of goals,lean delivery,sustainable processes,and a flatter,more team-based organizational structure.We also detect discrepancies in perspectives between the objectives identified by the two kinds of organizations and the existing agile literature and models.This misalignment highlights the need for practitioners to understand with the practical realities the organizations face.展开更多
The development strategy of the certification technology on engine bird ingestion is proposed after reviewing the development history of engine bird ingestion certification in developed Western countries,and analyzing...The development strategy of the certification technology on engine bird ingestion is proposed after reviewing the development history of engine bird ingestion certification in developed Western countries,and analyzing technical characteristics during different developing periods.Moreover,the main issues of bird ingestion certification technology,development program and strategy for the turbofan engines industry are addressed in detail.Finally,the relevant technique development is investigated and the main objects of bird ingestion certification technology for the turbofan engines are summarized and concluded.展开更多
文摘This paper delves into Agile Development Methods in Software Engineering,contrasting them with the traditional Waterfall model and analyzing their efficiency.Agile methods,known for their adaptability and customer-centric approach,have gained prominence in the fast-paced software development industry.These methods,including Scrum,Kanban,and Extreme Programming(XP),are characterized by iterative cycles,collaborative efforts,and a focus on rapid delivery and quality improvement.The paper compares these agile methodologies to the sequential and rigid Waterfall model,highlighting agile’s superior flexibility,adaptability,and responsiveness to changing requirements.It emphasizes the importance of customer involvement in agile processes,which leads to higher satisfaction and better alignment with user expectations.The analysis reveals that agile methods not only enhance the speed of delivery but also improve the overall quality of the software product.The paper concludes that agile methodologies are more effective in today's dynamic software development environment,providing a robust framework for managing complex projects and ensuring the delivery of high-quality,relevant software solutions.
文摘Under the background of“new engineering”construction,software engineering teaching pays more attention to cultivating students’engineering practice and innovation ability.In view of the inconsistency between development and demand design,team division of labor,difficult measurement of individual contribution,single assessment method,and other problems in traditional practice teaching,this paper proposes that under the guidance of agile development methods,software engineering courses should adopt Scrum framework to organize course project practice,use agile collaboration platform to implement individual work,follow up experiment progress,and ensure effective project advancement.The statistical data of curriculum“diversity”assessment show that there is an obvious improvement effect on students’software engineering ability and quality.
文摘The uncertainty of distributed generation energy has dramatically challenged the coordinated development of distribution networks at all levels.This paper focuses on the multi-time-scale regulation model of distributed generation energy under normal conditions.The simulation results of the example verify the self-optimization characteristics and the effectiveness of real-time dispatching of the distribution network control technology at all levels under multiple time scales.
文摘China Petroleum Design & Engineering Company (CPDEC) is a new corporation established in the year 2001. The company puts forward its development objectives for becoming a first-class national and international desigh firm within 5 to 10 years. In this paper, the theories and techniques related to the business environment and strategy are used to make an analysis of the companys development objectives. According to the analysis of the environment and internal conditions of CPDEC, we suggest adoping the strategic measures for reaching the development objectives on the basis of the SWOT (the acronym of Strengths, Weaknesses, Opportunities and Threats) analysis method. Some conclusions and recommendations on the companys situation and strategies are given.
基金supported by the National Institutes of Health ( OD / NICHD DP2HD083961)National Science Foundation ( CAREER CMMI-1254656)+2 种基金American Heart Association ( 13SDG17230047)March of Dimes ( MOD 5-FY14-111)Leo Q. Wan is a Pew Scholar in Biomedical Sciences ( PEW 00026185) ,supported by the Pew Charitable Trusts
文摘Cell and Tissue Engineering provides exciting opportunities for studying development and Disease.In this talk,we will focus on cell chirality,also known as handedness and left-right(LR)asymmetry,which is an intrinsic capability of the cell telling left from right(1)The development of the vertebrate body plan with left-right asymmetry requires the emerging chiral morphogenesis at multicellular levels at specific embryonic stages.Changes in orientation of the LR axis due to genetic or environmental factors can lead to malformations and disease.However,the concept of cell chirality has never studied in detail until the recent development of novel engineering tools[2-3].We demonstrate that the cultivation of cells on micropatterned 2D surfaces and in 3D graded hydrogels reveals an intrinsic cellular LR asymmetry,which is dependent of cell phenotype and actin cytoskeleton.With these new tools,we examine the role of cell chirality on the embryonic development of cardiac LR asymmetry [4] as well as the barrier function of endothelium layers [5].We find that Protein Kinase C(PKC)activation reverses the inherent chirality from clockwise to counter clockwise in engineering systems [4-5].Interestingly,activation of PKC signaling reverses the directional bias of chick cardiac C-looping [4].Mediating endothelial cell chirality can regulate the permeability of endothelial layers[5].Overall,our results strongly suggest critical roles of cell chirality in cardiovascular development and disease.
文摘Product development process management plays an important role in concurrent engineering (CE). The integration platform is a useful tool for effectively supporting the software development and integration. Based on the analysis of practical requirements for product development process management for CE, a CORBA-based integration platform of product development process management (IP-PDPM) is designed and developed. The design principles for IP-PDPM are described. The system architecture and functions of the platform are given, the key technologies for the implementation of IP-PDPM are presented, the application integration mechanism and its implementation techniques are also detailed.
基金Chongqing Engineering Institute 2023 Intramural Research Fund Grant Project:Highway Engineering Construction Process Management and Technological Innovation Research Based on BIM Technology(Project number:2023xzky04)。
文摘Based on the advantages of the application of Building Information Modelling(BIM)technology in highway engineering,this paper analyzes the difficulties of its in-depth application,grasps the pain points of the application of BIM technology in practice,and approaches from the integration of BIM design-construction.This paper also puts forward the integration of cross-stage information based on the BIM+Geographic Information System(GIS)construction information management system to realize the BIM whole life cycle management,and provides directional support for the continuous and efficient application of BIM technology in engineering practice.
基金National Science and Technology Support Program(No.2006BAG04B06)
文摘To keep up with the time,culture is integrated to large-scale construction project management in China,which will absolutely add more vitality into construction project management in our country.Engineering culture is an integration of project construction and engineering culture.However,engineering culture development enjoys its own particularity as a project is constructed once only within a limited period of time.This paper gives affirmative opinion that engineering culture development in large-scale projects backs project management on the basis of thorough investigation of engineering culture development in Sutong Bridge Project and after deepened analysis,proposes new thinking pattern of engineering culture development in large-scale projects in a systematic manner,including thorough understanding of the essence of engineering culture,principle and contents of engineering culture development as well as efficient method in respect of establishment and implementation of engineering culture,and therefore provides a standard reference and systematic thinking pattern for engineering culture development in future large-scale projects.
文摘In 2012, on the occasion of 20th anniversary, National Engineering Research Center for Refractories, registered in Sinosteel LIRR, got " Excellent Achievement Prize" from National Development and Reform Commission for its demonstration function and outstanding achievments.
文摘With the rapid development of China's urban construction, the acceleration of urbanization and the rapid expansion of population, the effective development and utilization of urban underground space have attracted great attention. Therefore, it is inevitable to study the comprehensive technology of deep underground engineering, and the research results will play an important guiding role in the design and construction of middle and shallow space of underground engineering in the future. This paper analyzes several common construction techniques and methods in the current construction process of urban underground engineering, summarizes the main construction methods of underground engineering, forecasts the development of urban underground engineering construction, and analyzes the safety risks of urban underground engineering construction.
文摘Analysis is given to energy sources home and abroad, the employed and customer market in oceanographic engineering and necessity of its development. Risk out of system is put forward just after marine industry into oceanographic engineering market. It also metions several influencing factors including politics, finance and ocean engineering materials.
文摘Human science and technology continue to advance over time.In the future,universal drugs will gradually fade out of our lives with the accumulation of time.With the advancement of genetic engineering,future genetic engineering drugs will be based on each difference and due to It differs from person to person,and the development of genetic engineering pharmaceuticals will make breakthroughs.
文摘Carbonate rock has the characteristics of complicated accumulation rules,large-scale development,high yield but unstable production.Therefore,the management and control of surface engineering projects of carbonate rock oil and gas reservoirs faces huge difficulties and challenges.The construction of surface engineering should conform to the principle of integrated underground and ground construction and adapt to the oilfield development model.This paper takes the newly added area A of the carbonated oil field as an example to study the ground engineering under the rolling development mode and aims to provide the constructive ideas for the surface engineering under rolling development mode.The overall regional process design adheres to the design concept of"environmental protection,efficiency,and innovation",strictly follows the design specifications,and combines reservoir engineering and oil production engineering programs,oil and gas physical properties and chemical composition,product programs,ground natural conditions,etc.According to the technical and economic analysis and comparison of area A,this paper has worked out a suitable surface engineering construction,pipeline network layout and oil and gas gathering and transportation plan for area A.Some auxiliary management recommendations are also proposed in this paper,like sand prevention management and HSE management for carbonate reservoirs.
文摘<Abstract> This paper is the manuscript of a keynote lecture Presented at the 7th International Symposium on Biomedical & Rehabilitation Engineering held in Harbin,China in July 1997. In this paper,the authors gave a brief historic review of rehabilitation engineering research in China first, and then discussed the present status. Through these discussions both the road blocks and new challenges can beseen clearly.Finally,some suggestions to promote rehabilitation engineering research in China and personal views on basic research for the development of rehabilitation engineering were presented.
文摘Earth resources are the essential basis for an economy of a country and well-being of her citizens. Their exploitation is a key factor in economic growth and development of the nation, but one that can have serious negative environmental and socio-economic impacts. Therefore it is important to understand their origin/occurrence and exploitation in terms of environmental sustainability. The human society has profited from exploitation of earth resources, precisely when energy use became much more efficient during the industrial era. Some of these earth resources (renewable and non-renewable) are oil and gas, coal, water, metal ore, wind, air etc. and their methods of exploitation are surface and subsurface mining methods [1]. Thus the geological perspectives of earth resources refer to origin and occurrence of these earth resources while the engineering perspectives refer to the processes involved in the extraction (mining), processing and utilization of the resources. To fulfill the requirement of sustainable development, the efficiency with which resources are utilized has to be improved. The main concerns associated with earth resources, therefore, are generally the costs and environmental impacts of extracting, transporting, and refining them. The economics of earth resources deals with the supply, demand and allocation of the resources.
文摘In the course of creating immense wealth, manufacturing industry has excessively consumed the resources and energy in the earth, and seriously polluted the environment. To take progress as the sustainable development way, save resource and improve environment, our nation has been advocating to construct the cycle economy and saving-oriented society. Taking the remanufacturing engineering as the representative, the “4R” rule (Reduce, Reuse, Recycle and Remanufacture) is the important measure to get the goal. Remanufacturing engineering is the industrialization of high-tech maintenance of the waste and worn productions, and is one of the most active factors in “4R”. The development of high and new technology takes the important effect to promote the remanufacturing engineering.
基金funding from the European Commission for the Ruralities Project(grant agreement no.101060876).
文摘Agile Transformations are challenging processes for organizations that look to extend the benefits of Agile philosophy and methods beyond software engineering.Despite the impact of these transformations on orga-nizations,they have not been extensively studied in academia.We conducted a study grounded in workshops and interviews with 99 participants from 30 organizations,including organizations undergoing transformations(“final organizations”)and companies supporting these processes(“consultants”).The study aims to understand the motivations,objectives,and factors driving and challenging these transformations.Over 700 responses were collected to the question and categorized into 32 objectives.The findings show that organizations primarily aim to achieve customer centricity and adaptability,both with 8%of the mentions.Other primary important objectives,with above 4%of mentions,include alignment of goals,lean delivery,sustainable processes,and a flatter,more team-based organizational structure.We also detect discrepancies in perspectives between the objectives identified by the two kinds of organizations and the existing agile literature and models.This misalignment highlights the need for practitioners to understand with the practical realities the organizations face.
文摘The development strategy of the certification technology on engine bird ingestion is proposed after reviewing the development history of engine bird ingestion certification in developed Western countries,and analyzing technical characteristics during different developing periods.Moreover,the main issues of bird ingestion certification technology,development program and strategy for the turbofan engines industry are addressed in detail.Finally,the relevant technique development is investigated and the main objects of bird ingestion certification technology for the turbofan engines are summarized and concluded.