A Study on Control System of Robot Working Unit for Automatically Welding Nipples onto Header of Boiler

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Analysis of Software Development and Enhancement Projects Work Effort per Unit Based on the COSMIC Method with Regard to Technological Factors—Case Study

This paper aims to present a case study that consists in the analysis of work effort per unit of software systems Development and Enhancement Projects (D&EP) depending on technological factors. That analysis was commissioned by one of the largest public institutions in Poland. This is the COSMIC (Common Software Measurement International Consortium) function points method that is chosen by this institution as a point of reference for size of software systems developed/enhanced for supporting its functions and therefore this method is the base for the analysis of D&EP work effort per unit with regard to technological factors.

Work in Cooperation for A New Chapter in the Cause of International Human Rights——Speech by Yang Jiechi,Vice Minister of Foreign Affairs of the People's Republic of China at the Inaugural Session of the United Nations Human Rights Council

Mr Chairman, I would like to start by congratulating you, on behalf of the Chinese Govern- ment, on your assumption of the Chair of the inaugural session of the Human Rights Council. I have every confidence that under your able leadership this session will be successful.

Derivation of Plastic Work Rate Done per Unit Volume for Mean Yield Criterion and Its Application

In Haigh Westergaard stress space linear combination of twin shear stress and Tresca yield functions is called the mean yield （MY） criterion. The mathematical relationship of the criterion and its plastic work rate done per unit volume were derived. A generalized worked example of slab forging was analyzed by the criterion and its corresponding plastic work rate done per unit volume. Then, the precision of the solution was compared with those by Mises and Twin shear stress yield criterions, respectively. It turned out that the calculated results by MY criterion were in good agreement with those by Mises criterion.

Representative Works of Chinese Scientists in 1999

Nine research activities of Chi-nese scientists were listed as world-level achievementsin 1999 by new-

Numerical study of n-heptane/benzene separation by thermal diffusion column

In this article,numerical simulations are performed to investigate the performance of the thermal diffusion column for the separation of n-heptane/benzene mixture.The present work tried to optimize column by analyzing significant parameters such as feed flow rate,temperature and cut.In order to obtain the hydrodynamic and temperature and mass distribution inside thermal diffusion column,computational fluid dynamic(CFD) method is applied to solve the Navier-Stocks equations.Numerical simulations are conducted to study the main parameters in both stationary and time-dependent conditions.By using the separation work unit as a function of cut,the optimal cut for maximum SWU occurs within a limited range of 0.47-0.5 for feed rate between 0.5 and 4 g min^-1.Our findings reveal that the optimum feed rate in the range of optimum cut is about 1 g min^-1.In transient study,results show that the best cut for reaching to steady-state condition is θ=0.5.

Estimation of Copper, Silver and Gold Coverages on the Iridium Field Emitter Tip Surface

The work described in this paper is a study of the estimation of copper, silver and gold coverages on the iridium field emitter tip surface. The study has been carried out by using a simple field emission microscope designed especially for the purpose of the adsorbate coverage calibration. It was equipped with an iridium field emitter tip. On one side of the microscope was the vapor source 12.5 cm from the tip, and on the other side 16.2 cm from the source was a quartz crystal oscillator. The crystal leads were spot welded to a two-pin tungsten-glass press-seal. In front of the crystal, a nickel shield was mounted in which there was a circular hole of an area of 0.0804 cm2, slightly smaller than the surface of the crystal, to prevent shorting of the conducting ends of the crystal which would be brought about by the condensed metal. The sensing crystal inside the microscope was driven by a small circuit placed just outside the microscope. The driving circuit was in turn connected to another circuit which comprised a frequency comparator unit which could read the frequency of the quartz crystal oscillator before and after the deposition of the adsorbate and gave a direct digital reading of ?(f is the resonance frequency of the crystal before the deposition of the adsorbate and Δf is the difference in the frequency of the oscillator after and before the deposition of the adsorbate on the crystal). The mass added to either side of the crystal alters its resonant frequency. The frequency shift obtained for a certain thickness of the deposited film depends on the density of the deposited film [1] [2].

Two Divergent Cases of Protracted Humanitarian Aid Operations:The World Bank and UNRWA(1949-2017)

The refugee convention of 1951^1 defined a refugee as“someone who is unable or unwilling to return to their country of origin owing to the well-founded fear of being persecuted for reasons of race,religion,nationality membership in particular social group,or political opinion.”The convention also lays down basic minimum standards for the treatment of refugees,without prejudice to States granting more favorable treatment to refugees.Such rights include access to courts,to primary education,to work,and the provision for documentation,including refugee travel documents in passport forms”.None of these conditions have been applied to the Palestinian refugees.Following Israel’s war of independence in 1948-49,about 800,000 Palestinians became refugees mainly in Jordan,Syria,Lebanon,and Egypt,where their descendants still live.UNRWA was created in 1949 as a“fire extinguisher”to provide the refugees in these four States with short-term survival assistance.UNRWA’s original mandate was for three years,assuming that the refugees will soon be absorbed by the countries of their refuge.This hope never materialized,and almost 70 years later,the third and fourth generation of Palestinians are still being considered by UNRWA as“refugees”.Our research shows that flows in UNRWA’s working principles have resulted in the prolonging of the problem,and the hindering of its resolution.A comparison with the World Bank’s assistance programs proves that UNRWA’s programs are clearly part of the problem and not part of the solution.

数智技术赋能统战工作发展透视

数智技术与统战工作在价值理念和政治定位等层面具有高度契合性,前者可以满足后者信息化、智能化、精准化、动态化等发展需求,为后者高质量发展提供持续动能。数智技术能有效支撑和服务于统战工作、开拓统战工作数据应用新空间、激发统战工作新活力。当前我国数智统战工作取得了一些进展,但也面临数字化平台和工具应用不足、数据共享和协同体系不完善以及数智化人才短缺和统战干部理念更新不足等问题。因此,未来数智统战应综合运用数智技术,通过构建面向统战对象的大数据智能分析平台、开发数智化统战工作工具、丰富宣传内容和形式,推动统战工作凝聚人心、汇聚力量;通过制定统一的数智统战顶层设计和规划、构建统一开放的统战云平台、完善数智安全保障体系,赋能大统战工作格局的构建;通过推进协商数智化体系构建、建立政协系统数智人才培训与考核机制、加大新技术在协商业务流程中的应用,深化协商民主。

手术室外麻醉工作单元麻精药品同质化管理的探讨

目的探索运用同质化管理模式在手术室外麻醉工作单元麻精药品管理中的作用。方法从2021年7月开始运用同质化管理模式对手术室外麻醉工作单元麻精药品进行管理,通过制定同质化管理流程,比较和分析同质化管理模式实施后每季度麻精药品质量管理指标的比值率。结果每季度管理指标评分均有明显提升。结论运用同质化管理模式在手术室外麻醉工作单元麻精药品管理中,能有效提高麻精药品的管理质量,达到药品规范化、精细化、安全化管理的目的,值得推广。

基于文献组件的学术论文代表作组合结构化推荐

为帮助科研人员快速了解代表作的学术价值,增强对代表作内容的理解,基于文献组件对代表作进行了内容重组,通过构建代表作组合本体,以结构化方式展现了代表作组合的核心内容;以学术论文为例,遴选了学科领域内具有推荐价值的代表作组合;通过提取代表作的正、副文本组件,分别构建了代表作组合的正、副文本组件本体;在此基础上,给出代表作组合的推荐方案。组件本体从语义上表征了代表作组合的关键信息,能够增强读者对代表作价值的认知、提高读者获取知识的效率;代表作组合推荐有利于推进高质量、高水平学术成果的交流、传播与应用。本研究是对代表作内容融合、传播渠道融合的一次尝试,对学术交流从基于文献向基于知识单元理念的转变起到了积极的推动作用。

ICU护士领悟社会支持在工作压力与隐性缺勤间的中介效应分析

目的探讨领悟社会支持在ICU护士工作压力与隐性缺勤间的中介作用。方法采用方便抽样的方法,于2023年2月选取宁夏回族自治区二级及以上医院的403名ICU护士,采用一般人口学资料调查表、领悟社会支持量表、中国护士工作压力源量表、斯坦福隐性缺勤量表对其进行测评,应用AMOS 23.0软件建立模型并进行路径分析。结果ICU护士工作压力、领悟社会支持和隐性缺勤得分分别为(99.45±19.22)、(58.94±15.04)和(17.33±4.49)分;结构方程模型结果显示,ICU护士工作压力对隐性缺勤具有正向预测作用(β=0.16,P<0.01),领悟社会支持对隐性缺勤具有反向预测作用(β=-0.04,P<0.01);ICU护士领悟社会支持在工作压力与隐性缺勤间存在部分中介作用(间接效应值为0.016),效应贡献为9.09%。结论宁夏回族自治区二级及以上医院ICU护士隐性缺勤现象较为严重,领悟社会支持在工作压力与隐性缺勤间起部分中介作用,管理者可从工作资源角度调动ICU护士,充分挖掘和利用其社会支持资源来缓解其工作压力,减少隐性缺勤行为。

基于代表作制度的学者学术水平评价及文献计量学指标参考价值探讨

学术评价对学术活动具有重要的导向作用,以科研质量和学术水平为导向的代表作评价逐步被接受并得到应用实践。对科研论文使用量化文献计量学指标评价的结果与同行评议的结果差异极小,可在一定条件限制下进行代表作筛选。文献计量学指标h指数可同时反映被引最高频次的论文数量及被引量,在评价学者学术水平时,以h指数为基础,参考最高引用论文的引用频次和论文发表时间范围,根据不同学科活跃度和规模确定学者的代表作,可尽可能客观地体现作者的学术水平。

新时代统战工作重大理论和实践问题中的守正创新

以习近平同志为核心的党中央在新时代高度重视统战工作,坚持问题导向和守正创新相结合,聚焦新时代统战工作重大理论和实践问题,强调必须充分发挥统一战线的重要法宝作用并在准确把握历史方位基础上将其提升为凝聚人心、汇聚力量的强大法宝,强调必须加强党对统战工作的全面领导并努力构建党委统一领导、统战部门牵头协调、有关方面各负其责的大统战工作格局,强调必须解决好人心和力量问题,并将党外知识分子和新的社会阶层人士、非公有制经济人士、党外代表人士队伍等作为重点,强调必须把握做好统战工作的规律并有针对性地大力抓好民主党派、非公有制经济、民族、宗教、港澳台和海外等重点领域的统战工作,强调必须坚持好发展好完善好中国新型政党制度并多措并举推进中国共产党领导的多党合作和政治协商制度建设,强调必须正确处理一致性和多样性关系,并更加注重创新工作方式方法、提高工作能力和把握好四对重要关系,在结合新的时代特点努力推进理论创新和实践创新并实现二者之间的良性互动中推动新时代统战工作不断实现新跨越,特别是在一系列重大理论和实践问题上实现了坚持、继承基础上的发展、创新,实现了改革开放以来前所未有的一系列新突破、新飞跃。

统战工作的元问题与底层逻辑

习近平总书记关于人心与统战工作关系的重要论述深刻阐发了“得民心者得天下,失民心者失天下”“人心向背定兴衰”的铁律,揭示了统战工作的元问题、底层逻辑及其本质要求。其中,一致性与多样性之间错综复杂关系的演进建构起了统战工作底层逻辑;基于建构共同思想政治基础的大团结大联合则体现了统战工作底层逻辑的本质要求。

全民族抗战胜利的法宝:统一战线——基于新四军统战工作的历史考察

作为华中抗战重要组成部分的苏北抗日根据地抗日民族统一战线工作,是在中共中央华中局及新四军新军部的全面领导下开展的,在华中工作的新四军领导人刘少奇、陈毅等高度关注并率先垂范,通过全方位与国民党地方实力派和广大爱国开明士绅包括社会各界知识分子展开多层次接触,积极聚拢各方爱国人士,团结一切可以团结的力量投身于全民族抗战之中,对根据地的巩固发展和抗战最终胜利起到了重要的推动作用。新四军统战工作的经验在全国范围内都具有启迪与示范意义,至今仍值得新时代共产党人学习和发扬。

抽水蓄能机组水轮机工况启动过程内部流场分析

本文采用CFD数值模拟的方法,模拟计算了抽水蓄能机组在水轮机工况启动过程内部流场特征。得到了在活动导叶开启过程中的速度、压力随时间的瞬态分布规律,讨论了蓄能机组开启过程中外特性的变化曲线。结果表明:活动导叶的开启规律可以大体分为五个阶段。活动导叶的开启规律是先缓慢开启,然后以较快的速度关闭,最后再保持到空载的开度,从第四阶段,导叶再逐渐打开直到额定开度。转轮扭矩和机组流量呈现出先增大后减小的趋势,当导叶逐渐打开时,转轮扭矩和机组流量再逐渐上升。本文为研究蓄能机组水轮机工况下启动过程的内部流动变化提供了参考依据,同时对提高水轮机工况的启动稳定性具有重要意义。

四川省自贡市第一人民医院重症医学科护士职业倦怠现状及其影响因素

目的 了解四川省自贡市第一人民医院重症医学科护士职业倦怠现状及影响因素。方法 采用整群抽样方法,于2023年1月至5月选取四川省自贡市第一人民医院重症医学科的94名护士为研究对象。采用一般资料问卷,护士职业倦怠量表对研究对象开展问卷调查。以描述性统计分析方式对护士一般资料、职业倦怠情况进行分析,采用多因素logistic回归分析其影响因素。结果 本调查共发放问卷117份,有效问卷94份,有效回收率为80.34%。重症医学科护士平均职业倦怠总分为(46.28±18.32)分,职业倦怠总检出率为92.55%。其中,中重度组43例(45.74%),无或轻度组51例(54.26%)。两组职称、工作年限、工作与报酬的匹配程度、近期是否被投诉、加班频率比较,差异有统计学意义(P<0.05)。中级职称、经常加班和近期被投诉均为重症医学科护士职业倦怠的危险因素(P<0.05),工作年限5~10年是重症医学科护士职业倦怠的保护因素(P<0.05)。结论 四川省自贡市第一人民医院重症医学科护理人员职业倦怠检出率高。护理管理人员应积极采取相应措施以减轻其职业倦怠水平,使护士更好地投入护理工作。