Although China in recent years has pushed for a large - scale operation of agricultural land,and agricultural modernization,the effect of the large - scale operation of farmland is unsatisfactory. Since a great many s...Although China in recent years has pushed for a large - scale operation of agricultural land,and agricultural modernization,the effect of the large - scale operation of farmland is unsatisfactory. Since a great many scholars have conducted a lot of research on this topic,this thesis,from the perspective of the application of science and technology in agriculture,probes into the main reasons for the ineffective large - scale operation of China's agricultural land,and puts forward several key measures of the large - scale development of China's agricultural land,trying to offer some suggestions for China's"new land reform movement".展开更多
立足科技情报知识服务视角,梳理AI for Science (AI4S)推动的“平台科研”范式内涵与框架。根据库恩范式理论论述了AI4S推动科研范式革新的必然性,采用培根归纳法总结的科学研究流程作为框架线索,阐明创新知识服务与“平台科研”范式的...立足科技情报知识服务视角,梳理AI for Science (AI4S)推动的“平台科研”范式内涵与框架。根据库恩范式理论论述了AI4S推动科研范式革新的必然性,采用培根归纳法总结的科学研究流程作为框架线索,阐明创新知识服务与“平台科研”范式的互促共进关系并作为理论指导。创新知识服务视角下的“平台科研”范式以服务科研创新活动为宗旨,主要内容包括知识表示视角下的科学数据管理、知识融合视角下的通用知识库构建、知识推理视角下的科学假设预测、知识发现视角下的科学实验执行和知识应用视角下的工业赋能。本文提出了一种创新知识服务视角下的“平台科研”范式框架,旨在从创新知识服务角度理解“平台科研”范式,厘清各主要环节创新知识服务的核心研究内容,以期成为科技情报研究领域的新兴知识生长点,为我国抢抓AI4S科研范式革新机遇提供参考思路。展开更多
大科学时代全球科学家流动呈现新景观。基于科学网(Web of Science)中精选文献的内容,对大科学与全球科学家流动关系、全球科学家流动特征及其影响因素进行概要分析。大科学与全球科学家流动之间存在双向作用关系。一方面大科学强化了...大科学时代全球科学家流动呈现新景观。基于科学网(Web of Science)中精选文献的内容,对大科学与全球科学家流动关系、全球科学家流动特征及其影响因素进行概要分析。大科学与全球科学家流动之间存在双向作用关系。一方面大科学强化了全球科学治理,促进了科学家跨国流动速度,通过建构全球知识网络,拓展了全球科学家流动空间;另一方面,科学家流动促进了科学研究的效率和质量。全球科学家流动呈现时间维度、空间维度和人际网络维度特点,其影响因素包括拉力因素、推力因素、个人因素以及中间障碍因素。展开更多
AI for Science的高质量发展对于加快实现高水平科技自立自强、建设世界科技强国具有重要意义。从AI、Science、for三个核心概念出发,探讨如何理解和发展AI for Science。在人机协作形态的历史演进中理解AI,即在感知性协作、肢体性协作...AI for Science的高质量发展对于加快实现高水平科技自立自强、建设世界科技强国具有重要意义。从AI、Science、for三个核心概念出发,探讨如何理解和发展AI for Science。在人机协作形态的历史演进中理解AI,即在感知性协作、肢体性协作、计算性协作到认知性协作的脉络中考察AI在科学研究中的角色。AI不再只是从外部为科研赋能,而是逐步介入科学家的思维过程,在认知层面与科学家建立深度协作。从全过程科研视角分析Science,AI不仅赋能科学知识生产,也推动科技传播的民主化与精准化,助力科研管理与评价的智能化。从技术—社会系统的视角来看,为了更好地释放AI for Science的潜力,应着眼于面向AI for Science的科研生态系统整体建设。未来应从人才培养、科研组织、数据资源、伦理治理等行动领域出发,提升科研人员的AI for Science胜任力、推动跨领域合作、促进高质量数据流通与共享以及加强科技伦理治理。展开更多
产气荚膜梭菌是革兰氏阳性杆菌,通过释放多种毒素和酶引发畜禽严重疾病,降低畜牧业生产。文献分析可把握学科发展方向,明确当前研究现状和发展趋势。然而,缺乏对产气荚膜梭菌文献的系统梳理,基于此,研究旨在利用Web of science核心数据...产气荚膜梭菌是革兰氏阳性杆菌,通过释放多种毒素和酶引发畜禽严重疾病,降低畜牧业生产。文献分析可把握学科发展方向,明确当前研究现状和发展趋势。然而,缺乏对产气荚膜梭菌文献的系统梳理,基于此,研究旨在利用Web of science核心数据库,以产气荚膜梭菌为关键词归纳,总结文献。结果表明:(1)1980-2022年,发表产气荚膜梭菌相关文献共计9093篇,其中“Foodborne Illness Acquired in the United States-Major Pathogens”,被引频次最多(1401次);(2)发文量较多的国家依次为美国(2688)>日本(850)>德国(644)>英国(561)>加拿大(501)>中国(500);(3)产气荚膜梭菌的关键词最大权重为toxin(1980-2022年),且以微生物,农业,食品科学技术,兽医学以及生物工程与应用生物学等学科交叉。产气荚膜梭菌的有效遏制是核心,快速根除是关键,该文分析产气荚膜梭菌的研究趋势,提出噬菌体治疗、疫苗免疫等今后研究新思路,为保障畜牧业生产提供理论支撑。展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,CN10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics m...Food Science and Human Wellness(FSHW ISSN:2213-4530,CN10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.Papers regarding components of food especially nutrients and non-nutrient bioactive compounds(with putative health benefits)are welcomed.FSHW aims to unveil the correlations between food science and human health through the dissemination of both fundamental and applied research outcomes worldwide.展开更多
Surface engineering plays a crucial role in improving the performance of high energy materials,and polydopamine(PDA)is widely used in the field of energetic materials for surface modification and functionalization.In ...Surface engineering plays a crucial role in improving the performance of high energy materials,and polydopamine(PDA)is widely used in the field of energetic materials for surface modification and functionalization.In order to obtain high-quality HMX@PDA-based PBX explosives with high sphericity and a narrow particle size distribution,composite microspheres were prepared using co-axial droplet microfluidic technology.The formation mechanism,thermal behavior,mechanical sensitivity,electrostatic spark sensitivity,compressive strength,and combustion performance of the microspheres were investigated.The results show that PDA can effectively enhance the interfacial interaction between the explosive particles and the binder under the synergistic effect of chemical bonds and the physical"mechanical interlocking"structure.Interface reinforcement causes the thermal decomposition temperature of the sample microspheres to move to a higher temperature,with the sensitivity to impact,friction,and electrostatic sparks(for S-1)increasing by 12.5%,31.3%,and 81.5%respectively,and the compressive strength also increased by 30.7%,effectively enhancing the safety performance of the microspheres.Therefore,this study provides an effective and universal strategy for preparing high-quality functional explosives,and also provides some reference for the safe use of energetic materials in practical applications.展开更多
In recent years,perovskite solar cells(PSCs)have garnered significant attention as a potential mainstream technology in the future photovol-taic(PV)market.This is primarily attributed to their salient advantages inclu...In recent years,perovskite solar cells(PSCs)have garnered significant attention as a potential mainstream technology in the future photovol-taic(PV)market.This is primarily attributed to their salient advantages including high efficiency,low cost,and ease of preparation.Nota-bly,the power conversion efficiency(PCE)of PSCs has experienced a remarkable increase from 3.8%in 2009 to over 26%at present.Conse-quently,the adoption of roll-to-roll(R2R)technology for PSCs is considered a crucial step towards their successful commercialization.This arti-de reviews the diverse substrates,scalable deposition techniques(such as solution-based knife-coating and spraying technology),and optimiza.tion procedures employed in recent years to enhance device performance within the R2R process.Additionally,novel perspectives are presented to enrich the existing knowledge in this field.展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics ...Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.Papers regarding components of food especially nutrients and non-nutrient bioactive compounds(with putative health benefits)are welcomed.FSHW aims to unveil the correlations between food science and human health through the dissemination of both fundamental and applied research outcomes worldwide.展开更多
"Journal of Jilin University(Science Edition)"is a comprehensive academic journal in the fields of science sponsored by Jilin University and administrated by the Ministry of Education of the People's Rep..."Journal of Jilin University(Science Edition)"is a comprehensive academic journal in the fields of science sponsored by Jilin University and administrated by the Ministry of Education of the People's Republic of China.The journal started publication in 1955.The original name at starting publication was"Journal of Natural Science of North east People University",which was changed into"Acta Scientiarum Naturalium Universitatis Jilinensis"in 1958 owing to the name change of the university.展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics m...Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.展开更多
Food Science and Human Wellness(FSHw ISSN:2213-4530,CN 10-1750/TS)publishes original researchpapers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics m...Food Science and Human Wellness(FSHw ISSN:2213-4530,CN 10-1750/TS)publishes original researchpapers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics ...Food Science and Human Wellness(FSHW ISSN:2213-4530,,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics m...Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.展开更多
Food Science of Animal Products(ISSN:2958-4124,e-ISSN:2958-3780)is a peer-reviewed,open access international journal that publishes the latest research findings in the field of animal-origin foods,involving food mater...Food Science of Animal Products(ISSN:2958-4124,e-ISSN:2958-3780)is a peer-reviewed,open access international journal that publishes the latest research findings in the field of animal-origin foods,involving food materials such as meat,aquatic products,milk,eggs,animal offals and edible insects.展开更多
Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics m...Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.展开更多
基金the initial result of the soft science project of Henan Province "Studies on the Central Plains Economic Zone Construction and the Development of the Low - carbon Agricultural Industrialization"( 122400450504)
文摘Although China in recent years has pushed for a large - scale operation of agricultural land,and agricultural modernization,the effect of the large - scale operation of farmland is unsatisfactory. Since a great many scholars have conducted a lot of research on this topic,this thesis,from the perspective of the application of science and technology in agriculture,probes into the main reasons for the ineffective large - scale operation of China's agricultural land,and puts forward several key measures of the large - scale development of China's agricultural land,trying to offer some suggestions for China's"new land reform movement".
文摘立足科技情报知识服务视角,梳理AI for Science (AI4S)推动的“平台科研”范式内涵与框架。根据库恩范式理论论述了AI4S推动科研范式革新的必然性,采用培根归纳法总结的科学研究流程作为框架线索,阐明创新知识服务与“平台科研”范式的互促共进关系并作为理论指导。创新知识服务视角下的“平台科研”范式以服务科研创新活动为宗旨,主要内容包括知识表示视角下的科学数据管理、知识融合视角下的通用知识库构建、知识推理视角下的科学假设预测、知识发现视角下的科学实验执行和知识应用视角下的工业赋能。本文提出了一种创新知识服务视角下的“平台科研”范式框架,旨在从创新知识服务角度理解“平台科研”范式,厘清各主要环节创新知识服务的核心研究内容,以期成为科技情报研究领域的新兴知识生长点,为我国抢抓AI4S科研范式革新机遇提供参考思路。
文摘大科学时代全球科学家流动呈现新景观。基于科学网(Web of Science)中精选文献的内容,对大科学与全球科学家流动关系、全球科学家流动特征及其影响因素进行概要分析。大科学与全球科学家流动之间存在双向作用关系。一方面大科学强化了全球科学治理,促进了科学家跨国流动速度,通过建构全球知识网络,拓展了全球科学家流动空间;另一方面,科学家流动促进了科学研究的效率和质量。全球科学家流动呈现时间维度、空间维度和人际网络维度特点,其影响因素包括拉力因素、推力因素、个人因素以及中间障碍因素。
文摘AI for Science的高质量发展对于加快实现高水平科技自立自强、建设世界科技强国具有重要意义。从AI、Science、for三个核心概念出发,探讨如何理解和发展AI for Science。在人机协作形态的历史演进中理解AI,即在感知性协作、肢体性协作、计算性协作到认知性协作的脉络中考察AI在科学研究中的角色。AI不再只是从外部为科研赋能,而是逐步介入科学家的思维过程,在认知层面与科学家建立深度协作。从全过程科研视角分析Science,AI不仅赋能科学知识生产,也推动科技传播的民主化与精准化,助力科研管理与评价的智能化。从技术—社会系统的视角来看,为了更好地释放AI for Science的潜力,应着眼于面向AI for Science的科研生态系统整体建设。未来应从人才培养、科研组织、数据资源、伦理治理等行动领域出发,提升科研人员的AI for Science胜任力、推动跨领域合作、促进高质量数据流通与共享以及加强科技伦理治理。
文摘产气荚膜梭菌是革兰氏阳性杆菌,通过释放多种毒素和酶引发畜禽严重疾病,降低畜牧业生产。文献分析可把握学科发展方向,明确当前研究现状和发展趋势。然而,缺乏对产气荚膜梭菌文献的系统梳理,基于此,研究旨在利用Web of science核心数据库,以产气荚膜梭菌为关键词归纳,总结文献。结果表明:(1)1980-2022年,发表产气荚膜梭菌相关文献共计9093篇,其中“Foodborne Illness Acquired in the United States-Major Pathogens”,被引频次最多(1401次);(2)发文量较多的国家依次为美国(2688)>日本(850)>德国(644)>英国(561)>加拿大(501)>中国(500);(3)产气荚膜梭菌的关键词最大权重为toxin(1980-2022年),且以微生物,农业,食品科学技术,兽医学以及生物工程与应用生物学等学科交叉。产气荚膜梭菌的有效遏制是核心,快速根除是关键,该文分析产气荚膜梭菌的研究趋势,提出噬菌体治疗、疫苗免疫等今后研究新思路,为保障畜牧业生产提供理论支撑。
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,CN10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.Papers regarding components of food especially nutrients and non-nutrient bioactive compounds(with putative health benefits)are welcomed.FSHW aims to unveil the correlations between food science and human health through the dissemination of both fundamental and applied research outcomes worldwide.
基金supported by the National Natural Science Foundation of China(Grant No.22005275).
文摘Surface engineering plays a crucial role in improving the performance of high energy materials,and polydopamine(PDA)is widely used in the field of energetic materials for surface modification and functionalization.In order to obtain high-quality HMX@PDA-based PBX explosives with high sphericity and a narrow particle size distribution,composite microspheres were prepared using co-axial droplet microfluidic technology.The formation mechanism,thermal behavior,mechanical sensitivity,electrostatic spark sensitivity,compressive strength,and combustion performance of the microspheres were investigated.The results show that PDA can effectively enhance the interfacial interaction between the explosive particles and the binder under the synergistic effect of chemical bonds and the physical"mechanical interlocking"structure.Interface reinforcement causes the thermal decomposition temperature of the sample microspheres to move to a higher temperature,with the sensitivity to impact,friction,and electrostatic sparks(for S-1)increasing by 12.5%,31.3%,and 81.5%respectively,and the compressive strength also increased by 30.7%,effectively enhancing the safety performance of the microspheres.Therefore,this study provides an effective and universal strategy for preparing high-quality functional explosives,and also provides some reference for the safe use of energetic materials in practical applications.
文摘In recent years,perovskite solar cells(PSCs)have garnered significant attention as a potential mainstream technology in the future photovol-taic(PV)market.This is primarily attributed to their salient advantages including high efficiency,low cost,and ease of preparation.Nota-bly,the power conversion efficiency(PCE)of PSCs has experienced a remarkable increase from 3.8%in 2009 to over 26%at present.Conse-quently,the adoption of roll-to-roll(R2R)technology for PSCs is considered a crucial step towards their successful commercialization.This arti-de reviews the diverse substrates,scalable deposition techniques(such as solution-based knife-coating and spraying technology),and optimiza.tion procedures employed in recent years to enhance device performance within the R2R process.Additionally,novel perspectives are presented to enrich the existing knowledge in this field.
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.Papers regarding components of food especially nutrients and non-nutrient bioactive compounds(with putative health benefits)are welcomed.FSHW aims to unveil the correlations between food science and human health through the dissemination of both fundamental and applied research outcomes worldwide.
文摘"Journal of Jilin University(Science Edition)"is a comprehensive academic journal in the fields of science sponsored by Jilin University and administrated by the Ministry of Education of the People's Republic of China.The journal started publication in 1955.The original name at starting publication was"Journal of Natural Science of North east People University",which was changed into"Acta Scientiarum Naturalium Universitatis Jilinensis"in 1958 owing to the name change of the university.
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.
文摘Food Science and Human Wellness(FSHw ISSN:2213-4530,CN 10-1750/TS)publishes original researchpapers demonstrating the latest advancement of multidisci-plinary subjects related to food science and human health.Topics may include but not limited to:nutriology,bio-chemistry,microbiology,immunology and toxicology.
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.
文摘Food Science of Animal Products(ISSN:2958-4124,e-ISSN:2958-3780)is a peer-reviewed,open access international journal that publishes the latest research findings in the field of animal-origin foods,involving food materials such as meat,aquatic products,milk,eggs,animal offals and edible insects.
文摘Food Science and Human Wellness(FSHW ISSN:2213-4530,CN 10-1750/TS)publishes original research papers demonstrating the latest advancement of multidisciplinary subjects related to food science and human health.Topics may include but not limited to:nutriology,biochemistry,microbiology,immunology and toxicology.
