基于一致性分析的中考数学试题研究——以2023年上海中考数学试卷为例

中考数学试卷与课程标准的一致性程度是影响与评价考试命题的重要指标之一.通过Achieve、SEC两种工具同时分析,发现2023年上海卷与2011版课标整体一致性程度较好,内容向心性显著、认知水平上一致性程度较好,并得到命题建议:均衡非主线内容,偏重主线内容比例;重视“四基”要求,挖掘知识内容探究成分;协调不同维度一致性,兼具课标与区域文化评价要求.同时,在结合应用Achieve、SEC工具时,发现两种工具有互为补充的分析作用,结合运用具备更好的科学性与实用性.

基于Achieve工具的高中数学教科书习题与《课程标准》一致性研究——以平面向量及其应用为例

在新课程改革背景下,教科书课后习题的编制是否合理地表征《课程标准》的要求,对数学教学的有效实施及学生数学核心素养的发展至关重要.利用Achieve一致性分析工具,对人教版《普通高中教科书数学A版必修第二册》第六章“平面向量及其应用”课后习题与《课程标准》要求进行一致性分析.研究表明,第六章课后习题与《课程标准》在内容向心性、挑战的来源、部分内容的挑战层次、平衡、范围等指标上的一致性较好;但在表现向心性指标上,课后习题与《课程标准》未达到一致性标准的要求.基于此,提出以《课程标准》为导向,准确把控课后习题数量与难度、优化课后习题设计等课程教学与习题编制建议.

International law obligations for the disposal of Fukushima nuclear-contaminated water under the principles of nuclear safety

The disposal of contaminated water from Japan’s Fukushima nuclear power plant is a significant international nuclear safety issue with considerable cross-border implications.This matter requires compliance not only with the law of the sea but also with the principles of nuclear safety under international law.These principles serve as the overarching tenet of international and China’s domestic nuclear laws,applicable to nuclear facilities and activities.The principle of safety in nuclear activities is fully recognized in international and domestic laws,carrying broad legal binding force.Japan’s discharge of nuclear-contaminated water into the sea violates its obligations under the principle of safety in nuclear activities,including commitments to optimum protection,as low as reasonably practicable,and prevention.The Japanese government and the International Atomic Energy Agency(IAEA)have breached the obligation of optimum protection by restricting the scope of assessments,substituting core concepts,and shielding dissenting views.In the absence of clear radiation standards,they have acted unilaterally without fulfilling the obligation as low as reasonably practicable principle.The discharge of Fukushima nuclear-contaminated water poses an imminent and unpredictable risk to all countries worldwide,including Japanese residents.Japan and the IAEA should fulfill their obligations under international law regarding disposal,adhering to the principles of nuclear safety,including optimum protection,the obligation as low as reasonably practicable,and prevention through multilateral cooperation.Specifically,the obligation to provide optimum protection should be implemented by re-evaluating the most reliable disposal technologies and methods currently available and comprehensively assessing various options.The standard of the obligation as low as reasonably practicable requires that the minimization of negative impacts on human health,livelihoods,and the environment should not be subordinated to considerations of cutting costs and expenses.Multilateral cooperation should be promoted through the establishment of sound multilateral long-term monitoring mechanisms for the discharge of nuclear-contaminated water,notification and consultation obligations,and periodic assessments.These obligations under international law were fulfilled after the accidents at the Three Mile Island and Chernobyl nuclear power plants.The implications of the principles of nuclear safety align with the concept of building a community of shared future for nuclear safety advocated by China.In cases of violations of international law regarding the disposal of nuclear-contaminated water that jeopardize the concept of a community of a shared future for nuclear safety,China can also rely on its own strength to promote the implementation of due obligations through self-help.

Forecasting the Academic Performance by Leveraging Educational Data Mining

The study aims to recognize how efficiently Educational DataMining(EDM)integrates into Artificial Intelligence(AI)to develop skills for predicting students’performance.The study used a survey questionnaire and collected data from 300 undergraduate students of Al Neelain University.The first step’s initial population placements were created using Particle Swarm Optimization(PSO).Then,using adaptive feature space search,Educational Grey Wolf Optimization(EGWO)was employed to choose the optimal attribute combination.The second stage uses the SVMclassifier to forecast classification accuracy.Different classifiers were utilized to evaluate the performance of students.According to the results,it was revealed that AI could forecast the final grades of students with an accuracy rate of 97%on the test dataset.Furthermore,the present study showed that successful students could be selected by the Decision Tree model with an efficiency rate of 87.50%and could be categorized as having equal information ratio gain after the semester.While the random forest provided an accuracy of 28%.These findings indicate the higher accuracy rate in the results when these models were implemented on the data set which provides significantly accurate results as compared to a linear regression model with accuracy(12%).The study concluded that the methodology used in this study can prove to be helpful for students and teachers in upgrading academic performance,reducing chances of failure,and taking appropriate steps at the right time to raise the standards of education.The study also motivates academics to assess and discover EDM at several other universities.

The Historic Achievements of the Communist Party of China in Respecting and Protecting Human Rights in the New Era

In the new era,the Communist Party of China(CPC)has made historic achievements in respecting and protecting human rights.Building upon the principle of the“two integrations”(integrating the basic tenets of Marxism with China’s specific realities and fine traditional culture),it has nurtured new theories on respecting and protecting human rights in the new era,which can address the fundamental questions of whom and what the human rights protection efforts in the new era are for.Guided by the principle of“taking our own path,”it has charted a distinct course for the development of human rights,diverging from the Western approach.The CPC has maintained the unity between Party leadership and the respect for and protection of human rights,promoting progress in human rights through the pursuit of“high-quality development,”and ensuring various fundamental rights of the people through the rule of law.Building upon the past experience,the CPC has established the“source”of the institutional framework for respecting and protecting human rights in the new era,crafted the“body”of this institutional framework,and introduced its practical“application.”In promoting the comprehensive advancement of human rights protection,the CPC has facilitated the connotative development of human rights protection in China,empowering China in international human rights discourse,and contributing Chinese strength and wisdom to global human rights governance.

Systematic and Theoretical Unfolding of Research on Xi Jinping’s Discourses on Respecting and Protecting Human Rights

Xi Jinping’s discourses on respecting and protect-ing human rights stand as a shining example of the sinicization and modernization of Marxist human rights theory,embodying profound theoretical,political,practical,and cultural logic.Existing research has conducted comprehensive and systematic theoretical analysis and academic extractions on the following contents:the core essence in-herent in these important discourses,including the“theory of human rights concepts,”the“theory of human rights paths,”the“theory of human rights practices,”the“theory of human rights protection,”and the“theory of human rights governance,”along with their profound theoretical significance,practical significance,and global signifi-cance.In the future,researchers should emphasize efforts on studying the original texts and understanding the original principles.While focusing on the precision of concepts,the scientific nature of the prop-ositions,the maturity of theoretical systems,and the rigor of internal logic related to Xi Jinping’s discourses on respecting and protecting human rights,researchers should also pay attention to constructing a discourse system on human rights from the dimensions of discourse power,discourse cluster,and discourse field.Researchers should be adept at drawing innovative insights into human rights theory from China’s vibrant human rights practices and the vast masses of people.This approach will facilitate the systematic unfolding,academic trans-formation,and innovative development of Xi Jinping’s discourses on respecting and protecting human rights.

Optimization Analysis of Comprehensive Budget Management from the Perspective of Digital Restructuring:Taking a Water Company as an Example

This article takes water enterprises as the research object,exploring the organic combination of comprehensive budget management under the trend of digitalization and digital technology in the new era,as well as the process of management system reform.Introduce the current status of its budget management work,comprehensively analyze the architecture and operation mode of the current comprehensive budget management system of water enterprises,and evaluate and analyze the overall situation and shortcomings of its budget management system based on financial data such as budget formulation and execution.From the perspective of digital restructuring and upgrading of comprehensive budget management work,corresponding countermeasures are proposed to make up for the shortcomings and suggestions for the future development of the enterprise’s comprehensive budget.

A Study on the Impact of Voice-to-Text Technology on Academic Achievement of the Hearing-Impaired

Hearing loss is a significant barrier to academic achievement,with hearing-impaired(HI)individuals often facing challenges in speech recognition,language development,and social interactions.Lip-reading,a crucial skill for HI individuals,is essential for effective communication and learning.However,the COVID-19 pandemic has exacerbated the challenges faced by HI individuals,with the face masks hindering lip-reading.This literature review explores the relationship between hearing loss and academic achievement,highlighting the importance of lip-reading and the potential of artificial intelligence(AI)techniques in mitigating these challenges.The introduction of Voice-to-Text(VtT)technology,which provides real-time text captions,can significantly improve speech recognition and academic performance for HI students.AI models,such as Hidden Markov models and Transformer models,can enhance the accuracy and robustness of VtT technology in diverse educational settings.Furthermore,VtT technology can facilitate better teacher-student interactions,provide transcripts of lectures and classroom discussions,and bridge the gap in standardized testing performance between HI and hearing students.While challenges and limitations exist,the successful implementation of VtT technology can promote inclusive education and enhance academic achievement.Future research directions include popularizing VtT technology,addressing technological barriers,and customizing VtT systems to cater to individual needs.

The Insights and Influence of the Sydney Accord on the Teaching Reform of Vocational Education in China: A Case Study of Professional Curriculum Achievement Evaluation

Scientific curriculum evaluation methods are critical for achieving talent training objectives.The Sydney Accord,one of the three major engineering education certification agreements,focuses on the training of“engineering technologists.”Its logical system and three core principles align well with the connotation development of professional construction in China’s higher vocational colleges,offering significant insights for promoting reform and development in engineering education in Chinese colleges and universities.By incorporating the core principles,elements,and graduate quality defined in the Sydney Accord and focusing on the evaluation of curriculum achievement against“graduation requirements,”the quality of vocational education can be enhanced,making it an important direction for future teaching reforms in vocational education.

Research on the Mechanism and Strategy of Equity Investment Driving the Transformation of New Material Innovation Achievements

Under the wave of global technological revolution,the new materials industry is facing difficulties in innovation and transformation.Equity investment has become a key driving force due to its flexible mechanism,risk sharing,and deep participation.Based on introducing the current development status of China’s new materials industry,this article reveals the mechanism of equity investment in financial support,risk management,incentive constraints,and resource integration.The article proposes optimization strategies,such as building an information-sharing mechanism and a diversified investment fund system,to promote the high-quality development of the new materials industry driven by innovation and provide strategic guidance for policymakers,investors,and enterprises.

The Impact of Urban and Rural Education Gap on Student Achievement Differences

With our country’s social development,the gap between urban and rural education has become increasingly obvious,especially the difference in student achievement.This study aims to explore the impact of the urban-rural education gap on student achievement.The study adopts a quantitative analysis method to collect and analyze the academic performance,learning resources,and social resources of urban and rural students.The results show that the unbalanced distribution of educational resources in urban and rural areas is the key factor leading to the gap in students’achievement.For example,urban education resources are abundant while rural education resources are relatively scarce.At the same time,the difference in social environment and family economic status also have a significant impact on student achievement.The differences between urban and rural areas,particularly in terms of family economic conditions and their ability to invest in education,further widen the gap between urban and rural education.The results of this study can provide a reference for reducing the gap between urban and rural education and improving the academic performance of rural students.A fair education policy is essential to narrow the gap between urban and rural education resources distribution,so as to improve the equality of education in society.

省级疾病预防控制机构青年人才培养模式探究:以“青耕计划”为例

目的分析上海市疾病预防控制中心青年人才培养项目的实施现状与成效,提出切实可行的人才培养优化策略,以期进一步提升疾病预防控制人才培养能力,构建合理的人才梯队,激发科研活力。方法对上海市疾病预防控制中心获“青耕计划”资助的2批次共67名培养对象进行问卷调查,分析相关投入、产出情况及培养对象对该培养项目的意见建议等。结果“青耕计划”培养对象所在部门对其项目实施提供的支持和帮助很大。67名培养对象在培养期间共撰写中文论文74篇,中位数为1篇,共撰写英文论文14篇。共申报课题45次,获批课题共9项。共参加科普宣讲93次,撰写科普文章67篇,中位数为1篇。53.85%的培养对象确立了今后的研究方向,44.62%的培养对象明确了自己的职业规划,培养对象认为其业务能力和科研能力均有较大提升。结论作为青年人才的“第一桶金”,“青耕计划”对提升科研素养、熟悉科研流程、助力业务工作等方面均起到了很好的效果,建议从培养周期、支持力度、培训交流、导师遴选、资源共享、考核激励机制等方面对该人才培养计划进一步优化。

作价入股推进医院科技成果转化的探讨

以上海的医院为例,通过梳理医院科技成果转化作价入股的政策和现状,剖析当前实施中存在的主要困难,并提出相应的应对策略,以期打通医院作价入股实施科技成果转化的链路,助力实现创新驱动发展战略的实行。

Performance Analysis of Intelligent Reflecting Surface Assisted Wireless Communication System

In this paper,we investigate the end-to-end performance of intelligent reflecting surface(IRS)-assisted wireless communication systems.We consider a system in which an IRS is deployed on a uniform planar array(UPA)configuration,including a large number of reflecting elements,where the transmitters and receivers are only equipped with a single antenna.Our objective is to analytically obtain the achievable ergodic rate,outage probability,and bit error rate(BER)of the system.Furthermore,to maximize the system’s signal-to-noise ratio(SNR),we design the phase shift of each reflecting element and derive the optimal reflection phase of the IRS based on the channel state information(CSI).We also derive the exact expression of the SNR probability density function(p.d.f.)and show that it follows a non-central Chi-square distribution.Using the p.d.f.,we then derive the theoretical results of the achievable rate,outage probability,and BER.The accuracy of the obtained theoretical results is also verified through numerical simulation.Itwas shown that the achievable rate,outage probability,and BER could be improved by increasing the number of reflecting elements and choosing an appropriate SNR regime.Furthermore,we also find that the IRS-assisted communication system achieves better performance than the existing end-to-end wireless communication.

Technical development of operational in-situ marine monitoring and research on its key generic technologies in China

In China,operational in-situ marine monitoring is the primary means of directly obtaining hydrological,meteorological,and oceanographic environmental parameters across sea areas,and it is essential for applications such as forecast of marine environment,prevention and mitigation of disaster,exploitation of marine resources,marine environmental protection,and management of transportation safety.In this paper,we summarise the composition,development courses,and present operational status of three systems of operational in-situ marine monitoring,namely coastal marine automated network station,ocean data buoy and voluntary observing ship measuring and reporting system.Additionally,we discuss the technical development in these in-situ systems and achievements in the key generic technologies along with future development trends.

基于Achieve模式对高中物理教科书习题与课程标准的一致性研究——以曲线运动章节习题为例

采用Achieve分析模式对现行五版本高中物理教科书(2019年版)“曲线运动”该部分内容的章节练习题与普通高中物理课程标准(2017年版)对“曲线运动”的内容要求进行一致性研究,得出不同版本教科书与课程标准的一致性情况,对教科书习题设计提出建议.

基于Achieve模式的中考物理试题与新课程标准一致性研究——以“2021年西安市中考物理试题”为例

本文基于Achieve一致性分析模式,开展2021年西安市中考物理试题与新课程标准的一致性研究.研究发现,试卷与新课程标准的一致性并不是十分理想,表现在向心性、平衡性与挑战性这三个层次的指标都有待加强.本文根据研究结果,对中考试题的命制提供若干建议.

Radiation protection measures during endourological therapies

Objective The objective of this narrative review was to search the existing literature for studies reporting measures to minimize radiation use during endoscopic management of stone disease and present ways of reducing the exposure of both patients and operating room staff.Methods A literature review in PubMed was performed to identify studies describing protocols or measures to reduce radiation received during endourological procedures from January 1970 to August 2022.Eligible studies were those that reported outcomes for ureteroscopy or percutaneous nephrolithotripsy regarding measures to minimize radiation doses used intraoperatively,performed either in real-life theatres or using phantoms.Both comparative and non-comparative studies were deemed eligible.Results Protection can be achieved initially at the level of diagnosis and follow-up of patients,which should be done following an algorithm and choice of more conservative imaging methods.Certain protocols,which follow principles for minimized fluoroscopy use should be implemented and urologists as well as operating room staff should be continuously trained regarding radiation damage and protection measures.Wearing protective lead equipment remains a cornerstone for personnel protection,while configuration of the operating room and adjusting X-ray machine settings can also significantly reduce radiation energy.Conclusion There are specific measures,which can be implemented to reduce radiation exposure.These include avoiding excessive use of computed tomography scans and X-rays during diagnosis and follow-up of urolithiasis patients.Intraoperative protocols with minimal fluoroscopy use can be employed.Staff training regarding dangers of radiation plays also a major role.Use and maintenance of protective equipment and setting up the operating room properly also serve towards this goal.Machine settings can be customized appropriately and finally continuously monitoring of exposure with dosimeters can be adopted.

Research and Practice on the Multi-dimensional Course Goal Achievement Evaluation of Software Engineering

According to the standards of engineering education accreditation,the achievement paths and evaluation criteria of course goals are presented,aimed at the objectives of software engineering courses and the characteristics of hybrid teaching in Kunming University of Science and Technology.Then a multi-dimensional evaluation system for course goal achievement of software engineering is proposed.The practice’s results show that the multi-dimensional course goal achievement evaluation is helpful to the continuous improvement of course teaching,which can effectively support the evaluation of graduation outcomes.

Implementation and achievements of enhanced recovery after surgery program in perioperative management of gastric cancer patients

Objective:The enhanced recovery after surgery(ERAS)program is less implemented in gastric cancer patients.The purpose of this survey is to investigate the implementation status of ERAS in perioperative period in gastric cancer.Methods:This clinical observational study enrolled 329 patients between January 2020 and August 2020 in a single gastric cancer center.The questionnaire consisted of 4 par ts:basic information,preoperative status,intraoperative status,and postoperative status of ERAS implementation in gastric cancer surgery.Results:In the preoperative period,patients'education and counseling(100%)were well adopted.Smoking cessation(34.6%),drinking cessation(36.9%),avoidance of preoperative mechanical bowel preparation(24.3%),respiratory function training(11.2%),and administration of carbohydrate-rich drink before surgery(0.6%)were relatively not well adopted.During the operation,maintenance of intraoperative normothermia and fluid management(100%),as well as epidural analgesia(81.5%),were well adopted.Thromboprophylaxis was performed in 133(40.4%)patients.In the postoperative period,early active mobilization was implemented about 9.5 h,and early ambulation was implemented about 39.5 h,after surgery.A total of 140(42.5%)patients received prolonged prophylactic antibiotics;268(81.5%)patients were provided diet upon gas passage;and 320(97.3%)patients received intravenous fluid administration more than 5 d after surgery.The practice rate of early removal of urinary catheter(0%)and nasogastric tube(15.5%)was relatively low.A total of 11(3.3%)patients experienced postoperative complication,and 1(0.3%)patient received unplanned reoperation.The average costs were￥59,500,and the average hospital stay was 12(5,36)d.Conclusions:Standard perioperative management of ERAS program in gastric cancer surgery in China still requires improvement.