Design and Application of“STEM+”6E Teaching Mode in Information Technology Teaching

The concept of“STEM+”integrates art,humanistic literacy,and social values in the traditional STEM education concept,advocates cross-disciplinary integration,and aims to cultivate compound talents equipped to tackle future challenges.In 2022,the Ministry of Education issued the“Compulsory Education Information Technology Curriculum(2022 Edition),”emphasizing the core literacy of information science and technology and the integration of interdisciplinary disciplines,and encouraging the teaching mode suitable for discipline characteristics.The 6E teaching mode is a student-centered teaching strategy characterized by active exploration and cross-disciplinary integration.This article innovatively designed the“STEM+”6E teaching mode,which is applied to junior high school information technology teaching,which can better achieve core literacy teaching goals.

Minimizing sperm oxidative stress using nanotechnology for breeding programs in rams

Background Artificial insemination(AI)is a routine breeding technology in animal reproduction.Nevertheless,the temperature-sensitive nature and short fertile lifespan of ram sperm samples hamper its use in AI.In this sense,nanotechnology is an interesting tool to improve sperm protection due to the development of nanomaterials for AI,which could be used as delivery vehicles.In this work,we explored the feasibility of vitamin E nanoemulsion(NE)for improving sperm quality during transport.Results With the aim of evaluating this proposal,ejaculates of 7 mature rams of Manchega breed were collected by artificial vagina and extended to 60×10^(6)spz/mL in AndromedR.Samples containing control and NE(12 mmol/L)with and without exogenous oxidative stress(100μmol/L Fe2+/ascorbate)were stored at 22 and 15℃and motility(CASA),viability(YO-PRO/PI),acrosomal integrity(PNA-FITC/PI),mitochondrial membrane potential(Mitotracker Deep Red 633),lipoperoxidation(C11 BODIPY 581/591),intracellular reactive oxygen species(ROS)production and DNA status(SCSAR)monitored during 96 h.Our results show that NE could be used to maintain ram spermatozoa during transport at 15 and 22℃for up to 96 h,with no appreciable loss of kinematic and physiological characteristics of freshly collected samples.Conclusions The storage of ram spermatozoa in liquid form for 2-5 d with vitamin E nanoemulsions may lead more flexibility to breeders in AI programs.In view of the potential and high versatility of these nanodevices,further studies are being carried out to assess the proposed sperm preservation medium on fertility after artificial insemination.

RCEP背景下黑龙江省跨境电商发展存在的问题与对策

RCEP为成员国之间的自由贸易扫清了障碍,促进了跨境电商的蓬勃发展,并使之成为各成员国竞争与合作的新领域。在此背景下,黑龙江省跨境电商发展势头迅猛,成效显著,但同时在RCEP背景下也面临着新的机遇和挑战。为了抓住新的发展契机,黑龙江省亟须解决影响跨境电商高质量发展的问题,主要包括物流成本高、企业竞争力相对薄弱、人才短缺和产业集聚效应不明显等,并提出解决问题的对策,以期充分利用RCEP带来的机遇,推动黑龙江省跨境电商产业的健康发展。

Addressing the Issues and Developments Correlated with Envisaged 5G Mobile Technologies: Comprehensive Solutions

Fifth Generation(5G)communications are regarded as the cornerstone to household consumer experience improvements and smart manufacturing revolution from the standpoint of industries’objectives.It is anticipated that Envisaged 5G(E5G)mobile technology would be operational in certain developed countries by 2023.The Internet of Things(IoTs)will transform how humans live when combined with smart and integrated sensing devices,such as in-home sensing devices.Recent research is being carried out all over the world to produce a new technique that can be crucial in the success of the anticipated 5G mobile technology.High output,reduced latency,highly reliable,greater scalability,high performance,capacity,bandwidth efficiency,virtual open-air transmission,and efficient energy mobile wireless communications are all being investigated currently.In this work,a comprehensive path for addressing the difficulties and developments associated with 5G mobile technology is provided.The debate and description of a complete analysis of current situations,certain characteristics and prospective scenarios,important technologies,problems and advances,and spectrum allocation of envisioned 5G mobile technologies are provided.Furthermore,this paper analyzes the most notable elements of 5G mobile technology,such as Cognitive Radio(CR),flexibility,accessibility,and cloud-based service offers,which will assure 5G mobile technology’s dominance as the main protocol for international communication.Eventually,this paper provides a method for integrating CR with current wireless communication systems,the necessity for further evolution of the E5G network,and the need for comprehensive consideration of architecture evolution and function enhancement to enhance the E5G mobile technologies.

Technology and Infrastructure Considerations for E-Commerce in Chinese Agriculture

Information technology （IT） was one of the most intensively studied and extensively applied technologies in the 20th century and its research and application will be even more accelerated in the 21st century. The impact of IT is more farreaching than any one may have had imagined, encompassing all facets and sectors of society. Economically, e-commerce generated more than $1.5 trillion in the US in 2004 and is projected to be 30, 15 and 2.6% of the total manufacturing, whole sales and retail sales in the US in 2006 respectively. IT research in agriculture has so far been particularly applied to such fields as precision farming and bioinformatics and in extension and farming practices. As such, its potential application in agricultural e-commerce has only begun to be explored. The United States Department of Agriculture has identified four different functions that e-commerce firms perform in the agricultural sector. They are： （1） information distribution, （2） input supply, （3） commodity trading floor, and （4） logistics/supply chain management. Unlike other industrial products, agricultural products are much more diverse and difficult to process and handle. For instance, fruits and vegetables are perishable and have to reach the market and the hands of consumers within a short period of time. One of the problems for IT applications in agriculture is the lack of standard measures in characteristics and quality of perishable produce and processing foods. Standards are pre-requisites for effective IT application and e-commerce. According to the Global Commerce Initiative, standards bring scalability, portability and affordability to the business process. Standards speed up the supply chain and reduce errors and protect technology investments and ensure system to system interaction and interoperability. Because the complexity of issues involved in standardization, the process of standardization must involve the input and discussion from all segments of the society. Being the largest agricultural country in the world and one of the most active trading partners in the international market, China must also be involved in determining the standards for both domestic and international trades. These measures are the necessary foundations for e-commerce in agriculture. In this paper, we provide a review of the technological development of standardization and coding that are prerequisites for IT application in e-commerce. This understanding is important for professionals in China to promote e- commerce in agriculture. Finally, we propose that a national committee to be formed in China, which includes IT experts from private sectors, academic professionals and governmental officials. This committee should consider the progress being made elsewhere in the world, the unique properties of Chinese commodities and appropriate business models to determine a set of standard measures that are transportable and communicable digitally in the world market for China＇s e- commerce in agriculture.

Satellite E2E Network Slicing Based on 5G Technology

We investigate the design of satellite network slicing for the first time to provide customized services for the diversified applications,and propose a novel scheme for satellite end-to-end(E2E) network slicing based on 5G technology,which provides a view of common satellite network slicing and supports flexible network deployment between the satellite and the ground.Specifically,considering the limited satellite network resource and the characteristics of the satellite channel,we propose a novel satellite E2E network slicing architecture.Therein,the deployment of the network functions between the satellite and the ground is coordinately considered.Subsequently,the classification and the isolation technologies of satellite network sub-slices are proposed adaptively based on 5G technology to support resource allocation on demand.Then,we develop the management technologies for the satellite E2E network slicing including slicing key performance indicator(KPI) design,slicing deployment,and slicing management.Finally,the analysis of the challenges and future work shows the potential research in the future.

ESG表现对企业价值的影响——基于国内上市企业的经验证据

随着“双碳”战略的提出和可持续发展理念不断深入人心,高质量发展已成为我国新的发展目标。在企业层面,ESG表现不仅是企业责任的体现,更成为了衡量企业长期价值和可持续发展潜力的重要指标。基于此背景,以2010-2022年沪深A股上市企业为样本,实证研究ESG表现对企业价值的影响,以及技术创新水平在其中的中介作用,并进一步分析产权性质、会计信息披露质量在ESG表现对企业价值的影响机制中所具有的调节作用。研究结果表明:良好的ESG表现可以显著提升企业价值,且技术创新在二者之间存在部分中介效应;良好的ESG表现对企业价值的提升作用在非国有企业和会计信息披露质量合格的企业中更加显著。因此,政府可以通过相应的政策奖励激励企业提升ESG表现,以增强ESG表现的价值效应;企业应加强技术创新,走可持续发展之路,通过引进先进环保技术,整合绿色供应链,响应国家“双碳”目标,提升ESG表现;投资者应基于长期视角,优化ESG评估框架,优先投资ESG表现良好和技术创新突出的企业,助力实现资本市场良性循环。

Research Progress of Cell Wall Breaking Technology and Its Application in Eucommia ulmoides Male Flower Tea

Eucommia ulmoides male flowers are rich in secondary metabolite,which have anti-tumor,sedative hypnotic,hypotensive,hypolipidemic,anti-fatigue,bacteriostatic,antioxidant and anti-aging effects.The conventional processing of E.ulmoides male flowers leads to the loss of nutrients and active ingredients.In recent years,cell wall breaking technology has been developed and utilized in various fields such as traditional Chinese medicine,good,chemical industry and biology.In order to promote the development of the E.ulmoides industry,the cell wall breaking technology and its characteristics are reviewed,and the application advantages of the cell wall breaking technology in the male flowers of E.ulmoides are discussed,and the prospect of the cell wall breaking of E.ulmoides is proposed in this article.

美国先进能源研究计划署(ARPA-E)计划实施及其促进变革性技术成果转化的做法及启示

美国先进能源研究计划署(ARPA-E)在能源变革性技术科技计划的组织与实施取得了成功,推动了具有变革性意义及潜在巨大应用价值的先进能源技术的发展与商业化。本文梳理了ARPA-E对能源科技计划的部署与实施情况,发现ARPA-E在能源全领域不断寻求和识别变革性的能源创新技术,通过一系列的科技计划组合,包括主题计划、开放计划、IDEA计划及探索性计划,支持美国能源创新的发展与技术进步。本文进一步总结分析了ARPA-E促进变革性能源技术成果转化的措施及经验启示,总结ARPA-E在科技计划管理全流程中突出“技术到市场”导向的相关做法,分析“具有应用潜力的先进能源技术种子孵化”计划对于促进变革型能源技术市场化、商业化的积极作用,以及ARPA-E在推动变革性技术成果转化的多项举措。最后,基于ARPA-E在技术确定、激励创新、技术成果商业化等方面的管理经验,提出了促进我国先进能源领域技术发展及成果转化的建议。

Development of Operational Space Environment Technology System

With the increasing of users and the demands which are transforming from the monotonous traditional service to network service,Multiple space environment web applications including browser-client,rich-client and mobile-client applications have been developed by SEPC(Space Environment Prediction Center,NSSC,CAS)during the past few years.The architecture of Operational Space Environment Technology System(OSETS) that these applications rely on is described and the description of structural optimization of the architecture is provided.To demonstrate the evolution of the OSETS,three web application examples for e SpaceWx,Space Weather Situation Awareness Picture(SWSAP),Plug-and-Play SWx Analysis and Plotting Program(PPSWAP) are presented.

The study of technology acceptance for e-wallets application of clinic fees payment

The purpose of this study was to investigate the demand of application of e-wallet in domestic retail industry by examining the needs of adoption of small amount paying method and the reasons for customers’ using of IC stored value card in this industry and aimed at providing suggestions on the e-development of small amount paying methods for domestic retail and banking industries. This study was developed in a way that the model constructs in TAM were adapted to the context of using e-wallets for clinic fees. Scale items on the survey include those measuring perceived usefulness, perceived ease of use, a user's attitude toward using and intention. The questionnaire contains no identifying information about the individual participants. A total of 320 Taipei City Hospital patients’ feedbacks were collected. Results indicate most of the relationships in the proposed model are statistically significant and in the predicted directions. Each observed variables influence with two ways: direct effect and indirect effect, and the total effect is the sum of direct effect and indirect effect. The Main effect of most of these observed variables is direct effect, but the information technology experience with the perceived usefulness. In this study, it could be finding that the perceived usefulness, the perceiver ease of use is positively associated with users’ attitude toward using, and the perceiver ease of use is positively associated with the perceived usefulness. It means the useful and easily operation of payment clinic fees with e-wallet products (such as Taipei Easy Card) is very important for the users. Besides, the easier for e-wallet using, the more people think it is usefulness. This suggestion is the same as the point at issue of Davis [1]. The users’ attitude toward using is positively associated with the intention using.

E-Governance in Rural India: Need of Broadband Connectivity Using Wireless Technology

The Information and Communication Technologies play an important role in rural development. The Empowerment of rural communities is crucial for the development of the rural region. Bringing the people in the rural region in the mainstream of the digital technologies to access and adopt modern technologies is a major concern now. Rural Development implies both, the economic development of the people and greater social transformation using electronic governance (e-governance). In order to provide the rural people in Maharashtra with better prospects and opportunities for economic development, agricultural development and management, marketing management, increased participation of rural people in usage and adoption of information and communication technologies (ICTs) is envisaged. This paper aims to explore the nature, role and relevance of the Electronic/Digital Governance using ICTs and wireless technologies for agriculture and rural development in the rural regions. It also aims to study the impact of e-governance on rural development and methods for improving local environmental governance having regard particularly to the range of interests and actors involved in e-governance. The paper examines the current status of electronic governance in Jalgaon district in India. It focuses on development of the model using ICTs/wireless technologies for e-governance of Jalgaon district in Maharashtra state, India.

信息化技术在EPC项目建设中的应用

EPC是一种总承包模式,其技术应用复杂、参与主体多、规模大,给总承包管理方带来了较大的挑战。尤其是EPC项目涵盖的范围广泛,需要综合管理各方面,包括项目计划、资源调配、成本控制、风险管理等。在EPC项目的设计、采购、建设施工中融入先进的信息化技术,不仅能提升协调管理的效能,还能降低项目风险、控制成本、规范项目进程等。基于此,文章主要介绍了BIM技术与其他技术的融合,将其应用于EPC项目的整个管理环节,旨在为项目建设的设计阶段、采购阶段、施工阶段开展集成化管理、增强管理效能等提供技术支持。

基于非线性状态估计(NSET)方法的燃机电厂故障检测研究及应用

随着“双碳”目标的提出,燃气轮机发电机组的经济、可靠运行成为了行业关注的重点。因此,准确检测故障和提高运行水平具有重要的研究价值。本文针对燃机电厂的故障检测问题,结合小波去噪等数据预处理方法,提出了一种基于非线性状态估计(NSET)的故障检测方法。该方法利用电力大数据,首先构建记忆矩阵并建立数学模型,然后通过比较实际曲线与预测曲线,分析残差值,从而有效地检测出故障。为了验证其有效性,本文以浙江某燃机电厂为例,在仿真平台和生产现场分别进行实验。实验结果表明,该方法能够有效检测33种故障也能够检测生产现场的燃机速比阀故障、热电偶故障等常见故障。最后,本文将该方法落地到模拟数字电厂项目中,实现了数字电厂故障检测技术的工程示范应用。

三银LOW-E玻璃深加工技术:提升室内舒适度的新突破

玻璃作为建筑材料的重要组成部分,对提高室内舒适度具有至关重要的作用。然而,目前市场中常规玻璃的隔热性能和节能性能较差,不能很好地满足人们对室内舒适度的要求。近年来,研究人员不断探索新材料和新技术,以提升玻璃的性能。基于此,三银LOW-E玻璃深加工技术应运而生。本文主要探究了三银LOW-E玻璃深加工技术的优势、不足以及未来发展方向,以实现该技术的推广和优化。

Reinforcing of Citizen’s Trust in E-Government: The Cameroon’s Case

The embracing of ICTs and related technologies has enhanced different approaches for governments worldwide to deliver services to their citizens in a smart way. However, the usage of e-government services by common citizens is recognized as one of the major setbacks of e-government development in both developed and developing countries. Moreover, government agencies in these countries are facing great challenges in keeping the citizens motivated enough to continue to use e-government services. This research aims to investigate the factors that influence citizens’ trust towards continue use of e-government services in Cameroon. The proposed research model consisted of three main constructs including technological, governmental, risk factors as well as six demographic characteristics (age, gender, educational level, income, internet experience and cultural perception). A five-point Likert scale questionnaire was designed to collect data physically and electronically, 352 valid questionnaires were retrieved. Simple and Multiple regression analysis methods were applied to build an adequate model based on the verification of hypotheses proposed. Based on results obtained, four demographic characteristics (age, education, occupation and income) have influence on citizens’ trust in e-government meanwhile gender and cultural affiliation have no influence. Furthermore, technological factors and governmental factors positively influence trust level in e-government, whereas risk factors have a negative influence on trust level. Deducing from the results, a list of recommendations is proposed to the government of Cameroon in order to reinforce citizens’ trust in e-government services.

Technology Acceptance Factors for Implementing the E-Government Systems in Saudi Arabia

Governments are implementing E-Government systems to match the other services due to the rapid worldwide development. Therefore, public sectors interact with many individuals;utilizing this technology lowers costs, enhances services, boosts efficiency, and saves time. The Government of Saudi Arabia has had various obstacles in serving its populace. Poor service delivery and excessive Government operating costs resulted from this manual service delivery. As a result, the Government launched the E-Government systems, which provide services more quickly. As a result, the report covered Saudi Arabia’s efforts to adopt E-Government, its difficulties, and its objectives to advance the 2030 vision. This study examined the adoption of E-Government systems using the Unified Theory of Acceptance and Use of Technology (UTAUT) in Saudi Arabia. A sample size of 200 was estimated using the Convenience approach and received 58% of the response from employees and end-users of the E-Government systems. Data were analyzed using MS-Excel and SMART PLS for testing the hypothesis and applying the Partial Least Square approach. The results of the hypothesis testing reveal several meaningful relationships, including relative benefits, compatibility, security, management support, performance expectations, perceived Usefulness of E-Government, ease of use by reducing uncertainty to E-Government, and IT infrastructure by reducing language on E-Government adoption.

Evaluation of Technical Education by Using a Modern Structured MOODLE Laboratory Course, in Relation to Recent Data

E-learning platforms support education systems worldwide, transferring theoretical knowledge as well as soft skills. In the present study high-school pupils’, and adult students’ opinions were evaluated through a modern structured MOODLE interactive course, designed for the needs of the laboratory course “Automotive Systems”. The study concerns Greek secondary vocational education pupils aged 18 and vocational training adult students aged 20 to 50 years. The multistage, equal size simple random cluster sample was used as a sampling method. Pupils and adult students of each cluster completed structured 10-question questionnaires both before and after attending the course. A total of 120 questionnaires were collected. In general, our findings disclosed that the majority of pupils and adult students had significantly improved their knowledge and skills from using MOODLE. They reported strengthening conventional teaching, using the new MOODLE technology. The satisfaction indices improved quite, with the differences in their mean values being statistically significant.

维生素E护肤纺织品的研究现状及发展趋势

维生素E由于其优异的抗氧化性能,被广泛添加到护肤产品中,近年来被应用于纺织领域,进行具有护肤功能的纺织品开发。本文首先综合叙述了将维生素E添加到纺织品中的两类制备工艺,即维生素E衍生物的转化以及负载包埋技术,介绍了其各自的特点和研究进展;其次说明了维生素E护肤纺织品护肤性能表征的现状,并提出了可行的性能测试方法;最后指出了未来维生素E护肤纺织品的创新发展趋势,以期对维生素E护肤纺织品的开发提供参考。