期刊文献+
共找到1,228篇文章
< 1 2 62 >
每页显示 20 50 100
Practice and Thinking of Agricultural Science and Technology Experts Serving the Grassroots to Promote Rural Revitalization
1
作者 Lixian CUI Jinli LIU 《Asian Agricultural Research》 2024年第1期44-46,共3页
Provincial agricultural research institutes are local agricultural research institutions.They are familiar with local agricultural and ru-ral conditions,and have advantages in scientific and technological achievements... Provincial agricultural research institutes are local agricultural research institutions.They are familiar with local agricultural and ru-ral conditions,and have advantages in scientific and technological achievements,technical reserves and the construction of scientific and tech-nological talent support systems.In the process of promoting the implementation of the rural revitalization strategy,all the responsibilities and obligations of the agricultural research institute are to identify the focus of scientific and technological support and talent support in rural revital-ization,and break the bottleneck and constraints of rural revitalization.By sorting out the current situation of agricultural science and technolo-gy experts serving the grassroots in the problem of talent support for rural revitalization,this paper analyzed the existing problems and put for-ward countermeasures and recommendations. 展开更多
关键词 Agricultural science and technology experts Serving the grassroots rural revitalization
下载PDF
Titanium Aluminides: Science, Technology, Applications and Synthesis by Mechanical Alloying 被引量:2
2
作者 F.H.Froes (Institute for Materials and Advanced Processes (IMAP), College of Mines and Earth Resources, University of Idaho, Moscow, Idaho 83843-4195, USA) 《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 1994年第4期251-262,共12页
The production. characteristics. and commercialization of monolithic and composite titanium aluminides are summanzed with emphasis on use in the demanding aerospace industry. The attractive elevated temperature proper... The production. characteristics. and commercialization of monolithic and composite titanium aluminides are summanzed with emphasis on use in the demanding aerospace industry. The attractive elevated temperature properties combined with alow density make these materials of great interest, but inherently low 'forgiveness', and environmental concerns, must be overcome before widespread use will occur One synthesis method for the production of monolithic titanium aluminides-mechanical alloying- will be discussed in detail 展开更多
关键词 ASM applications and Synthesis by Mechanical Alloying science technology TMS
下载PDF
Modes and Approaches of Promoting Rural Revitalization by Science and Technology Commissioners: A Case Study of Science and Technology Commissioners from Zhejiang Academy of Agricultural Sciences
3
作者 Yanting LU Shenghai YE +5 位作者 Guofu ZHU Baogang LIN Faming YU Rongrong ZHAI Jing YE Xiaoming ZHANG 《Asian Agricultural Research》 2020年第1期15-18,共4页
The modes and approaches of promoting the implementation of strategy for rural revitalization based on agricultural science and technology commissioner system were studied by taking Zhejiang Academy of Agricultural Sc... The modes and approaches of promoting the implementation of strategy for rural revitalization based on agricultural science and technology commissioner system were studied by taking Zhejiang Academy of Agricultural Sciences as an example.The relevant modes and approaches were summarized,such as giving full play to the expertise of science and technology commissioners to promote the prosperity of rural industries,promoting ecological livable construction based on modern agricultural science and technology,promoting rural civilization based on agricultural science and technology,and promoting the construction of rural good governance based on advanced productivity.Besides,agricultural science and technology commissioners use the three elements of"people,technology,and money"to promote the enhancement of agricultural efficiency,farmers’income,and the prosperity of life and then the coordinated development of rural revitalization. 展开更多
关键词 science and technology commissioner rural REVitALIZATION Service mode and approach
下载PDF
Practice and Exploration of New Rural Construction in West Bank of Taiwan Strait Led by Spark Science and Technology
4
作者 Chaocan LI 《Asian Agricultural Research》 2013年第6期104-107,共4页
According to practice and exploration of spark program for 26 years in Quanzhou,the main model and their effects of new rural construction in west bank of Taiwan Strait led by spark science and technology were expound... According to practice and exploration of spark program for 26 years in Quanzhou,the main model and their effects of new rural construction in west bank of Taiwan Strait led by spark science and technology were expounded. Six spark program systems were established,consisting of policy support guide,science and technology project lead,experts' intelligence support,spark science and technology training,scitech information service and spark program demonstration. Five spark projects were implemented to promote new rural construction in the west bank of Taiwan Strait,such as constructing the national spark industrial zone,organizing the new rural construction led by science and technology,constituting spark sci-tech innovation center,developing the rural informatization,and establishing science and technology commissioner bases. Finally,enlightenment of spark program and its development ways in the future were put forward. 展开更多
关键词 SPARK science and technology Support and LEADinG T
下载PDF
Potential Applications of Nano-Scale Science and Technology in Geosciences and Experimental Studies of Nanometer-Sized Gold Adsorption on Minerals and Rocks 被引量:3
5
作者 章振根 朱笑青 《Chinese Journal Of Geochemistry》 EI CAS 1997年第2期133-138,共6页
Potential applications of Nano-scale science and technology are discussed in mineralogy, ore deposits, cosmochemistry and environmental sciences. Adsorption of nanometersized gold was experimentally studied on a varie... Potential applications of Nano-scale science and technology are discussed in mineralogy, ore deposits, cosmochemistry and environmental sciences. Adsorption of nanometersized gold was experimentally studied on a variety of minerals and rocks. 展开更多
关键词 纳米技术 地球科学 地球化学 纳米金 吸收 矿物 岩石
下载PDF
The progress of radioisotope technology and application in China 被引量:1
6
作者 Zhang Jinrong Luo Zhifu 《Engineering Sciences》 EI 2008年第2期19-31,共13页
The inception of radioisotope and its application in China are introduced. The research,development, production, application progress and the future development prospect of radioisotope and its products are described.
关键词 atomic energy science and technology in China RADIOISOTOPE preparation technique and application
下载PDF
Call for Papers Journal of Electronic Science and Technology Special Section on Terahertz Technology and Applications
7
《Journal of Electronic Science and Technology》 CAS CSCD 2017年第2期208-208,共1页
Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applic... Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applications. The Terahertz region has been the focus of research worldwide since early 1990s. Due to their unique characteristics, Terahertz technologies have a wide range of applications, such as hazard detection, high speed data communications, radio astronomy, and biomedical imaging. 展开更多
关键词 of in IS AS that Call for Papers Journal of Electronic science and technology Special Section on Terahertz technology and applications for on
下载PDF
Call for Papers Journal of Electronic Science and Technology Special Section on Terahertz Technology and Applications
8
《Journal of Electronic Science and Technology》 CAS CSCD 2016年第3期288-288,共1页
Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applic... Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applications. The Terahertz region has been the focus of research worldwide since early 1990s. Due to their unique characteristics, Terahertz technologies have a wide range of applications, such as hazard detection, high speed data communications, radio astronomy, and biomedical imaging. 展开更多
关键词 Journal of Electronic science and technology Special Section on Terahertz technology and applications
下载PDF
Call for Papers Journal of Electronic Science and Technology Special Section on Terahertz Technology and Applications
9
《Journal of Electronic Science and Technology》 CAS 2014年第2期246-246,共1页
Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applic... Terahertz waves, sitting in the gap between the middle infrared and millimeter wave regions, are known as the last vacant area of the electromagnetic spectrum that has not quite been understood and brought into applications. The Terahertz region has been the focus of research worldwide since early 1990s. Due to their unique characteristics, Terahertz technologies have a wide range of applications, such as hazard detection, high speed data communications, radio astronomy, and biomedical imaging. 展开更多
关键词 Call for Papers Journal of Electronic science and technology Special Section on Terahertz technology and applications
下载PDF
Call for Papers Journal of Electronic Science and Technology Special Section on Terahertz Technology and Application
10
《Journal of Electronic Science and Technology》 CAS 2013年第2期237-237,共1页
Terahertz wave, sitting in the gap between middle infrared and millimeter wave, has been known as the last vacant area in spectrum that has not been quite understood and brought into applications. It has been the focu... Terahertz wave, sitting in the gap between middle infrared and millimeter wave, has been known as the last vacant area in spectrum that has not been quite understood and brought into applications. It has been the focus of research worldwide since early 1990s. Due to the unique characteristics of Terahertz wave, Terahertz technologies have a wide range of applications, such as hazard detection, high speed data communications, radio astronomy, biomedical imaging, etc. 展开更多
关键词 Call for Papers Journal of Electronic science and technology Special Section on Terahertz technology and application
下载PDF
Molecular Structure of Feeds in Relation to Nutrient Utilization and Availability in Animals: A Novel Approach 被引量:2
11
作者 Peiqiang Yu Luciana L. Prates 《Engineering》 SCIE EI 2017年第5期726-730,共5页
The invention and development of new research concepts, novel methodologies, and novel bioanalytical techniques are essential in advancing the animal sciences, which include feed and nutrition science. This article in... The invention and development of new research concepts, novel methodologies, and novel bioanalytical techniques are essential in advancing the animal sciences, which include feed and nutrition science. This article introduces a novel approach that shows the potential of advanced synchrotron-based bioanalytical technology for studying the effects of molecular structural changes in feeds induced by various treatments (e.g., genetic modification, gene silencing, heat-related feed processing, biofuel processing) in relation to nutrient digestion and absorption in animals. Advanced techniques based on synchrotron radiation (e.g., synchrotron radiation infrared microspectroscopy (SR-IMS) and synchrotron radiation X-ray techniques) have been developed as a fast, noninvasive, bioanalytical technology that, unlike traditional wet chemistry methods, does not damage or destroy the inherent molecular structure of the feed. The cutting-edge and advanced research tool of synchrotron light (which is a million times brighter than sunlight) can be used to explore the inherent structure of biological tissue at cellular and molecular levels at ultra-high spatial resolutions. In conclusion, the use of recently developed bioanalytical techniques based on synchrotron radiation along with common research techniques is leading to dramatic advances in animal feed and nutritional research. 展开更多
关键词 inherent molecular structure Synchrotron radiation applications Molecular nutrition Feed science technology Molecular imaging Nutrient digestion and absorption
下载PDF
Research and Analysis of Machine Learning Algorithm in Artificial Intelligence 被引量:1
12
作者 Yang Li Xueyuan Du Yiheng Xu 《Artificial Intelligence Advances》 2020年第2期88-91,共4页
This article firstly explains the concepts of artificial intelligence and algorithm separately,then determines the research status of artificial intelligence and machine learning in the background of the increasing po... This article firstly explains the concepts of artificial intelligence and algorithm separately,then determines the research status of artificial intelligence and machine learning in the background of the increasing popularity of artificial intelligence,and finally briefly describes the machine learning algorithm in the field of artificial intelligence,as well as puts forward appropriate development prospects,in order to provide theoretical reference for industry insider. 展开更多
关键词 artificial intelligence machine learning algorithm application of science and technology
下载PDF
Distributed Generation Application in the Rural Areas of West China
13
作者 Yanfei Su Chenxu Zhao +1 位作者 Long Xu Xiaoyu Liu 《Energy and Power Engineering》 2013年第4期167-170,共4页
In this paper, at first the appearance background electricity grid in the rural areas of west China, and its meaning as well as the concept and structure of DG technologies are resented, and a DG technologies mode of ... In this paper, at first the appearance background electricity grid in the rural areas of west China, and its meaning as well as the concept and structure of DG technologies are resented, and a DG technologies mode of development in the rural areas of west China is given. The development ideas and the future development direction of DG in are compared and summarized. At last, the significance of DG in future development of the rural areas of west China is prospected and some problems to be especially considered in the domestic research on DG technologies are put forward. 展开更多
关键词 DISTRIBUTED GENERATION TECHNOLOGIES rural WEST China application
下载PDF
Natural Resource and Energy:Towards Sustainable Use and Development
14
作者 Eliakimu Kagimbo 《地学前缘》 EI CAS CSCD 北大核心 2009年第S1期81-81,共1页
The paper articulates the role of energy sector and its impact on the natural resources and biodiversity, focusing on traditional energy consumption in rural areas;renewable energy technology,gender dimension on rural... The paper articulates the role of energy sector and its impact on the natural resources and biodiversity, focusing on traditional energy consumption in rural areas;renewable energy technology,gender dimension on rural energy,the energy sector in its geo-political, social and economic settings as well as technology policy on integrating energy planning.It advocates how sub-Saharan Africans are 展开更多
关键词 ENERGY SECTOR natural resources rural ENERGY POLICIES and LEGAL framework science and technology POVERTY
下载PDF
The Application of Erosive Burning to Propellant Charge Interior Ballistics
15
作者 张洪林 《Defence Technology(防务技术)》 SCIE EI CAS 2009年第2期140-145,共6页
Erosive burning is a common burning phenomenon of the gunpowder with inner holes.The actual combustion law of the gunpowder with inner holes can be changed by erosive burning.Pressure difference between the inner and ... Erosive burning is a common burning phenomenon of the gunpowder with inner holes.The actual combustion law of the gunpowder with inner holes can be changed by erosive burning.Pressure difference between the inner and the outer of hole caused by loading density variation of the propellant charge makes erosive burning occur at inner holes during in-bore burning.The effect of erosive burning on burning speed of the propellant is studied by using the effects of flow rate,heat transfer and erosion of the combustion gas in inner holes on burning rate.The mathematic model of erosive burning of the propellant is established.The effects of the factors such as loading density,inner hole size and grain length on erosive burning and interior ballistic performance are analyzed.The method to improve the bore pressure for small charge mass and small firing range by erosive burning is proposed. 展开更多
关键词 推进剂燃烧 糜烂 内弹道 应用 燃烧现象 燃烧规律 发生过程 密度变化
下载PDF
基于CiteSpace的科技小院发展现状分析及融入科技特派员制度的科技小院运营新模式探讨
16
作者 高杨超 李育川 +5 位作者 沈丽萍 李艳琼 张瑜瑜 于淑惠 王海英 刘贺 《现代农业研究》 2024年第9期105-109,共5页
本研究以2014—2023年间CNKI核心数据集中收录的科技小院相关研究文献作为数据基础,利用CiteSpace对科技小院在十年间的发展及存在的问题进行了分析。研究发现,科技小院目前主要在人才培养、农业增产增效及乡村振兴等方面起到举足轻重... 本研究以2014—2023年间CNKI核心数据集中收录的科技小院相关研究文献作为数据基础,利用CiteSpace对科技小院在十年间的发展及存在的问题进行了分析。研究发现,科技小院目前主要在人才培养、农业增产增效及乡村振兴等方面起到举足轻重的作用,但仍存在运营模式固化且研究方向及经费来源均较为单一、经验交流不足及传播范围不广等问题,针对这些问题,昆明学院将科技特派员制度、乡村振兴志愿服务与科技小院进行有机结合,以香格里拉奇异莓科技小院为核心,技术辐射小院周边农户、种植基地、企业等,以不同专业背景专家指导学生解决当地企业及农户面临的复杂多样化的问题,最终实现农户及企业增收,通过不同手段有效解决科技小院存在的上述问题。 展开更多
关键词 科技小院 乡村振兴 人才培养 科技特派员
下载PDF
面向应用场景的前沿技术识别方法
17
作者 苗红 王浩桐 +4 位作者 李伟伟 耿国桐 连佳欣 王艳 吴菲菲 《情报杂志》 北大核心 2025年第1期95-103,共9页
[研究目的]场景驱动创新是引领产业结构升级的关键路径,如何基于不同场景识别前沿技术成为推动新质生产力发展的重要议题。[研究方法]提出了一种面向应用场景的前沿技术识别方法。首先以专利、论文为数据源,基于前瞻性、先导性、探索性... [研究目的]场景驱动创新是引领产业结构升级的关键路径,如何基于不同场景识别前沿技术成为推动新质生产力发展的重要议题。[研究方法]提出了一种面向应用场景的前沿技术识别方法。首先以专利、论文为数据源,基于前瞻性、先导性、探索性、颠覆性指标体系初步筛选前沿技术主题;其次以科技报告为数据源,基于技术-关系-技术(Technology-Relationship-Technology,TRT)结构的语义分析,分析技术应用场景;最后,构建专利、论文数据与科技报告的相似性矩阵,建立技术与场景识别结果的关联,据此进一步筛选前沿技术主题,并结合专家知识,识别出面向应用场景的前沿技术主题,提供了场景驱动实践探索的新方法。[研究结果/结论]以无人机目标识别与跟踪领域为例进行实证研究,在面向情报、监视与侦察(Intelligence,Surveillance,and Reconnaissance,ISR)、物资运输、医疗补给等14个应用场景的前沿技术识别结果显示,目标识别与跟踪算法设计、视觉系统与图像处理技术、任务规划技术、无线通信技术4项技术为该领域的前沿技术,验证了该识别方法的可行性与有效性。 展开更多
关键词 应用场景 前沿技术 技术识别 主题识别 科技报告 无人机 TRT语义分析
下载PDF
智慧农业技术对乡村治理结构的重塑研究
18
作者 罗一斌 《现代农业研究》 2025年第2期90-94,共5页
随着全球农业面临资源短缺、环境压力和人口增长等的多重挑战,智慧农业技术的应用成为解决这些问题的重要途径。智慧农业通过物联网、大数据、人工智能等技术的集成应用,提升了农业生产的效率和可持续性。然而,这些技术的引入不仅改变... 随着全球农业面临资源短缺、环境压力和人口增长等的多重挑战,智慧农业技术的应用成为解决这些问题的重要途径。智慧农业通过物联网、大数据、人工智能等技术的集成应用,提升了农业生产的效率和可持续性。然而,这些技术的引入不仅改变了农业生产方式,也对乡村治理结构产生了深远影响。本研究旨在探讨智慧农业技术如何重塑乡村治理结构,以期为乡村振兴和治理现代化提供新的思路。研究结果表明,智慧农业技术的应用显著提高了乡村治理的透明度和效率,促进了资源的合理配置和利益相关者的有效协作。研究的实际贡献在于为政策制定者和实践者提供了可操作的指导,推动了智慧农业在乡村治理中的广泛应用。未来的研究将进一步探讨智慧农业技术在不同地域和文化背景下的适应性和优化策略。 展开更多
关键词 智慧农业 乡村治理 技术应用 治理结构
下载PDF
我国农业农村科技现代化的实现效率探究
19
作者 徐小俊 杨钟健 高秉龙 《山西农业大学学报(社会科学版)》 2025年第1期44-55,共12页
科学技术是第一生产力,是国家发展的核心战略力量。对于农业农村科技现代化实现效率的研究,有助于了解我国农业农村科技现代化推进过程中存在的问题,为相关决策提供可靠的参考依据。基于熊彼特创新理论的分析框架,构建Global Super SBM... 科学技术是第一生产力,是国家发展的核心战略力量。对于农业农村科技现代化实现效率的研究,有助于了解我国农业农村科技现代化推进过程中存在的问题,为相关决策提供可靠的参考依据。基于熊彼特创新理论的分析框架,构建Global Super SBM模型,对我国农业农村科技现代化的实现效率进行了实证分析。研究表明:当前我国各地区对农业农村科技现代化的重视程度不断增加,促进了整体效率的提升,但是区域的不平衡性问题突出;虽然我国部分地区能够发挥好自身的比较优势或后发优势,但可能由于地区经济结构相对复杂,导致资源投入分散,或者投入较大而投入效率不高而导致实现效率较低;地区间农业农村科技现代化实现效率的差异可能引发各地区内部技术进步的不均衡性。基于此,提出需要从发掘农业农村科技创新动能、优化农业农村资源要素配置、缩小农业农村地区技术差异等方面提升我国农业农村科技现代化的实现效率。 展开更多
关键词 农业农村 科技现代化 实现效率 Global Super SBM模型
下载PDF
科技创新与乡村振兴耦合协调发展分析——以陕西省为例
20
作者 陈谢扬 李同昇 《河北师范大学学报(自然科学版)》 CAS 2025年第1期100-108,共9页
科技创新是推动乡村振兴和高质量发展的根本动力.通过构建乡村振兴与科技创新耦合协调评价指标体系和评价模型,对陕西省乡村振兴与科技创新耦合协调发展的总体态势和地区差异进行综合分析.结果表明,2010—2020年陕西省乡村振兴与科技创... 科技创新是推动乡村振兴和高质量发展的根本动力.通过构建乡村振兴与科技创新耦合协调评价指标体系和评价模型,对陕西省乡村振兴与科技创新耦合协调发展的总体态势和地区差异进行综合分析.结果表明,2010—2020年陕西省乡村振兴与科技创新耦合协调度为0.49~0.79,基本处于勉强协调到中级协调的等级.科技创新与乡村振兴综合发展指数均呈增长态势,但乡村振兴发展较滞后;耦合发展协调度虽不断向好发展,但协调等级依然较低.省内各地市2系统失调区域范围逐渐缩小,协调发展地区增多,乡村振兴发展落后于科技创新.根据研究结果提出一系列提升地区乡村振兴和科技创新水平的政策建议. 展开更多
关键词 乡村振兴 科技创新 耦合协调度 熵值法
下载PDF
上一页 1 2 62 下一页 到第
使用帮助 返回顶部