Optimization for Dissemination Factors of Core Socialist Values in the Process of Citizenization of Migrant Workers

With the implementation of the national"urbanization"strategy,the citizenization of migrant workers has become an important part of China's urbanization process.The citizenization of migrant workers not only relies on the institutional reform to promote the exogenous citizenization,but also depends on the dissemination and cultivation of core socialism values,and it transforms traditional migrant workers into real urban citizens.Therefore,it is particularly urgent to strengthen the dissemination of core socialist values to the migrant workers,and it is necessary to systematically optimize the four elements of dissemination subject,dissemination object,dissemination medium and dissemination environment.

Cultivation and Dissemination of Core Values in the New Media Age

The rapid development of information technology and the fierce conflict of multiple values lead information communication to present different characteristics in the new media era,which has brought both challenges and opportunities to the cultivation and dissemination of core values.With the development of new media,the environment for cultivating core values is becoming increasingly complex,and the main content of core values is being dispelled,thus weakening its function of leading and affecting its guiding role.At the same time,the development of new media can not only broaden the cultivation mode of core values and highlight the powerful force of core values,but also stimulate the people to highly identify with core values.At present,the new media has become the main tool and mainstream position for the dissemination of core values,so it is necessary to continuously innovate the communication mechanism of the core values,and enhance their pertinence and effectiveness communication,so that they can play a leading role in the whole society better.

An Ordering Policy for Deteriorating Items with Time-Dependent Quadratic Demand and Salvage Value under Permissible Delay in Payment

The article deals with an economic order quantity (EOQ) inventory model for deteriorating items in which the supplier provides the purchaser a permissible delay in payment. This is so when deterioration of units in the inventory is subject to constant deterioration rate, demand rate is quadratic function of time and salvage value is associated with the deteriorated units. Shortages in the system are not allowed to occur. A mathematical formulation is developed when the supplier offers a permissible delay period to the customers under two circumstances: 1) when delay period is less than the cycle of time;and 2) when delay period is greater than the cycle of time. The method is suitable for the items like state-of-the-art aircrafts, super computers, laptops, android mobiles, seasonal items and machines and their spare parts. A solution procedure algorithm is given for finding the optimal order quantity which minimizes the total cost of an inventory system. The article includes numerical examples to support the effectiveness of the developed model. Finally, sensitivity analysis on some parameters on optimal solution is provided.

Analysis of the Process of Extreme Heavy Rainfall in the Cold Lake in Qinghai

[Objective] The aim was to analyze the process and reason of the extreme heavy rainfall on June 15,2011 in Cold Lake in Qinghai.[Method] The weather,physical field and satellite of one extreme heavy rain in the cold lake in Qinghai were expounded.[Result] The formation of the loop 'crooked neck' of high pressure,which on the one hand posed a typical situation in the circulation of heavy precipitation in Qinghai,and on the other hand,formed the southwest,southeast of the two water vapor transport in air,in addition to the small groove from the trough of Lake Balk hash and the split vortex plateau,resulted into the extreme heavy rainfall in Cold Lake.The presence of thermal low pressure 700 hPa was conducive to the accumulation of low energy and low-level moisture transport from the Qinghai region to the south of Qaidam Basin.[Conclusion] The resulting process was mainly due to heavy rain in the lower troposphere convergence,high-level divergence,high humidity areas and a strong vertical upward motion.

CENTER CONDITIONS AND BIFURCATION OF LIMIT CYCLES FOR A CLASS OF FIFTH DEGREE SYSTEMS

The center conditions and bifurcation of limit cycles for a class of fifth degree systems are investigated.Two recursive formulas to compute singular quantities at infinity and at the origin are given.The first nine singular point quantities at infinity and first seven singular point quantities at the origin for the system are given in order to get center conditions and study bifurcation of limit cycles.Two fifth degree systems are constructed.One allows the appearance of eight limit cycles in the neighborhood of infinity,which is the first example that a polynomial differential system bifurcates eight limit cycles at infinity.The other perturbs six limit cycles at the origin.

Short-Term Financing of Economic Order Quantity （EOQ） Inventory Model With Probabilistic Quality

In this paper, the classical economic order quantity （EOQ） inventory model assumption that all items of a certain product received from a supplier are of perfect quality is relaxed. Another basic assumption that the payment for the items is made at the beginning of the inventory cycle when they are received is also eased. We consider an inventory situation where items received from the supplier are of two types of quality, perfect and imperfect, and a short deferral in payment is allowed. The split between perfect and imperfect quality items is assumed to follow a known probability distribution. Both qualities of items have continuous demands, and items of imperfect quality are sold at a discount. A mathematical model is developed using the net present value of all cash flows involved in the inventory cycle. A numerical method for obtaining the optimal order quantity is presented, and the impact of the short-term financing is analyzed. An example is presented to validate the equations and illustrate the results.

建设性综艺社会价值的构建与传播——以观察类综艺节目《令人心动的offer》第一、二季为例

在网络综艺市场不良竞争与监管层面政策调控的双重压力下,网络综艺发展迫切需要方向性指引。在此背景下,以观察类综艺节目《令人心动的offer》第一、二季为主要研究对象,运用镜像理论、香农—韦弗模式以及大众循环传播模式等理论,分析其生产传播过程中社会价值的内化表现、内化方式以及传播效果等问题。在此基础上,提出建设性综艺的概念和特点,并深入阐述建设性综艺的价值传递与作用过程,以及建设性综艺未来发展传播中主要涉及的三个方面问题,即表现“什么样的人”、以“什么样的方式”表现及产生“什么样的社会影响”,以期对综艺整体发展提供路径性思考。

Ecosystem Services Evaluation of Karst New Urban Areas Based on Net Primary Productivity of Guanshanhu District, Guiyang, Guizhou Province, China

Net Primary Productivity (NPP) is the basis of the material and energy transport calculation in ecosystem studies. NPP directly reflects the production capacity of plant communities under natural conditions. Ecosystem services are hot topics in the field of ecology. Many studies calculate ecosystem service value based on NPP. Taking Guanshanhu District of Guiyang City, Guizhou Province as the research object, using TM, ETM+, Gaofen2 and MOD17A3HGF.006 as data sources, this paper analyzed the change of ecosystem service value based on NPP in 2000, 2010 and 2020. The results showed that the area of forest ecosystem increased during 2000-2010 and decreased during 2010-2020. The artificial surface grew rapidly from 1146.82 hm2 to 7544.29 hm2 during 2000-2020. The farmland ecosystem decreased from 13308.29 hm2 to 6342.33 hm2 during 2000-2020. With the dynamic changes in ecosystem spatial distribution and component structure, the total NPP in 2000, 2010 and 2020 was 12.58 × 104 t, 11.90 × 104 t and 11.78 × 104 t, respectively, showing a decreasing trend. The total value of natural and semi-natural ecosystems services based on NPP showed an increasing trend, which was ￥ 6.938 × 108 in 2000, ￥ 8.052 × 108 in 2010 and ￥ 10.306 × 108 in 2020 respectively. The ecosystem contributed the most to the ecological service value in 2000 was farmland, but in 2010 and 2020, it was the forest ecosystem. The ecological service value of grassland and wetland was relatively small, while the ratio of the wetland ecological service value displayed a decreasing trend. In the future, it is necessary to establish a strict pretrial system for land use, so as to effectively protect the natural and semi-natural ecosystems and fulfill the growing ecological demands of residents.

论齿轮样板

齿轮样板是齿轮参数量值的标准实物载体,用于将齿轮国家测量标准所复现的量值传递到各级齿轮测量仪器上,从而实现齿轮测量的准确性和一致性,保证齿轮产品质量。全面概述了齿轮样板起源及其发展历程;详细论述了齿轮样板的种类、结构及特点、齿轮样板的测量技术及装置、齿轮样板的国际比对、未来的发展与展望。齿轮样板迄今已历经九十多年发展,其种类在不断丰富、尺度不断延伸、复杂度不断简化,作为一种“有形”的实物量具,目前仍不可替代。未来随着“无形”的虚拟仿真测量技术发展,对“有形”实物样板的依赖将可以减弱,“无形”的技术将可能成为量值传递的新模式。

抖音短视频中非物质文化遗产的传播

在互联网环境下,非遗的传播与抖音的结合日益紧密。抖音中非遗类视频的存在样态主要呈现为传承者推介传播非遗、MCN平台展示传播非遗、爱好者记录传播非遗三类,基于此种存在样态,抖音非遗呈现出评论转发、视频特效、背景音乐、热门话题、推荐算法及直播电商的传播路径。虽然抖音中非遗的传播存在传播主体素质参差不齐、原创率低、可观赏性弱等问题,但在扩大非遗影响力和受众群体、增强非遗产业价值、加强对非遗的再创造和保护方面有着重要意义。

电机学中的一些“反常”现象及其成因分析

描述了电机学中的一些“反常”现象,分析了这些现象的成因,并用简明的语言进行归纳,为相关领域的研究人员提供一定参考。

知识营销的直播电商及其传播价值:以“与辉同行”为例

随着直播平台数字营销的转型升级,直播内容生产由泛娱乐化内容向泛知识内容转变,知识营销成为直播电商的新型营销手段。本文以知识直播头部账号“与辉同行”为研究对象,探究了知识营销与直播电商相融合衍生出的知识直播带货模式及其传播价值。研究发现,知识营销中的直播电商以泛知识内容创造知识价值,用隐性知识塑造精神文化价值,通过多业务的知识营销放大商业价值。

Exploring the complex trade-offs and synergies of global ecosystem services

The trade-off and synergy relationship of ecosystem services is an important topic in the current assessment.The value of each service provided by the ecosystem is substantially affected by human activities,and conversely,its changes will also affect the relevant human decisions.Due to varying tradeoffs among ecosystem services and synergies between them that can either increase or decrease,it is difficult to optimize multiple ecosystem services simultaneously,making it a huge challenge for ecosystem management.This study firstly develops a global Gross Ecosystem Product(GEP)accounting framework.It uses remote sensing data with a spatial resolution of 1 km to estimate the ecosystem services of forests,wetlands,grasslands,deserts,and farmlands in 179 major countries in 2018.The results show that the range of global GEP values is USD 112e197 trillion,with an average value of USD 155 trillion(the constant price),and the ratio of GEP to gross domestic product(GDP)is 1.85.The tradeoffs and the synergies among different ecosystem services in each continent and income group have been further explored.We found a correspondence between the income levels and the synergy among ecosystem services within each nation.Among specific ecosystem services,there are strong synergies between oxygen release,climate regulation,and carbon sequestration services.A trade-off relationship has been observed between flood regulation and other services,such as water conservation and soil retention services in low-income countries.The results will help clarify the roles and the feedback mechanisms between different stakeholders and provide a scientific basis for optimizing ecosystem management and implementing ecological compensation schemes to enhance human well-being.

产业数字化与中国制造业就业——破局之策还是雪上加霜

产业数字化是驱动制造业拓宽就业渠道、改善就业结构的新引擎。基于行业“就业难”和“用工荒”现状,分析产业数字化对中国制造业就业数量和就业结构(技能结构、性别结构)的影响机制,并从实证的角度进行了检验。研究结果表明:产业数字化对制造业就业数量和女性就业占比存在显著的正向影响,而对制造业技术人员占比存在抑制作用;通过使用印度产业数字化作为工具变量的内生性检验和使用替换核心解释变量的稳健性检验结果证明了上述影响机制的稳定性。此外,异质性检验表明,3类产业数字化行业对就业数量均存在正向作用,产业数字化基础设施行业、产业数字化交易行业不利于就业技能结构的调整,产业数字化媒体行业不利于就业性别结构的改善;总体产业数字化除对中低技术水平的制造业行业的就业技能结构具有抑制作用外,对高技术水平的制造业行业就业数量、就业结构均具有促进作用。因此,我国应牢牢把握产业数字化这一破局之策,实施差异化的数字化发展战略,加快培育一批具备技术引领和技术示范的高科技数字化行业,促使中国数字经济产业迅猛发展。

水土保持生态产品价值实现理论探索

水土保持生态产品价值实现具有重要意义。尝试界定水土保持生态产品概念,对产品进行分类,探索构建水土保持生态产品价值核算方法,分析水土保持生态产品价值转化路径,梳理浙江省安吉县石门坑清洁小流域水土保持生态产品价值转化经验,提出加快推动水土保持生态产品价值实现的对策建议,以期为推动水土保持高质量发展和建设美丽中国提供有益参考。

自然资源资产核算研究进展与展望

通过系统梳理土地、矿产、林业、大气和水等5种自然资源资产的基本内涵、确认条件和核算范围,总结了国内外自然资源资产核算体系的形成脉络、基本构成及实践经验;从基本前提、优缺点、适用条件和应用情况等方面对各类自然资源资产核算方法进行比对、筛选和解析;从系统整体角度出发,提出了基于主体功能区划分的区域自然资源资产统一核算流程;结合自然资源资产产权制度改革、大数据平台建设和社会价值核算方法等,对自然资源资产核算的未来方向进行展望,为全面客观核算自然资源资产提供参考与借鉴。

自然语言处理中的价值观渗透问题——以ChatGPT为例

[研究目的]以ChatGPT为例,探讨自然语言处理中的价值观渗透方式和固化机理,探索在自然语言处理技术广泛应用的背景下,预防不可控信息的传播,巩固主流价值体系的方法路径。[研究方法]以描述性研究为基础,从ChatGPT驱动下价值观渗透的四种方式入手,研判可能出现的舆情传播态势。结合价值观的本身特点,综合科技哲学、伦理学等相关学科知识,整合提出目前存在的价值观渗透、固化风险,并提出相应的对策。[研究结论]通过与ChatGPT的结合,价值观能以数据投喂、自主示弱、自我优化、语言景观等方式强化其渗透过程中的隐蔽性,在渗透之后,将会通过隐性教化、知识内部分野和去实践化等方式进行固化,从而扩大影响。研究结合多领域知识,提出应对此种情况的三项基本原则:辩证扬弃、针锋相对和复合规制,力求促进情报搜集和舆情控制工作健康平稳发展。

基于特征图谱及多成分定量的首乌藤饮片与标准汤剂量值传递规律研究

本文建立首乌藤的含量测定方法和指纹图谱评价方法,研究首乌藤饮片到标准汤剂的量值传递规律。收集全国主产地和道地产地具有代表性的20批首乌藤药材,按《中国药典》2020年版规定制备成首乌藤饮片,并按《中药配方颗粒质量控制与标准制定技术要求》制备成首乌藤标准汤剂;采用HPLC建立适用测定含量及指纹图谱方法,以转移率、出膏率及指纹图谱相似度为指标,分析首乌藤饮片到标准汤剂的量值传递规律。结果显示,20批首乌藤标准汤剂出膏率为10.4%~16.1%,均值为12.9%,均位于均值的±30%范围内。除了四川产地的样品外,其余产地首乌藤饮片及其标准汤剂HPLC对照指纹图谱相似度均良好(>0.9),且二者具6个共有峰,并通过对照品指认其中的4个峰分别2,3,5,4-四羟基二苯乙烯-2-O-β-D-葡萄糖苷、大黄素-8-O-β-D-葡萄糖苷、大黄素、大黄素甲醚。四个已知成分的转移率分别为26.58%~53.07%(2,3,5,4-四羟基二苯乙烯-2-O-β-D-葡萄糖苷)、12.37%~42.84%(大黄素-8-O-β-D-葡萄糖苷)、3.83%~18.71%(大黄素)、0.35%~4.13%(大黄素甲醚)。本文建立了首乌藤饮片及其标准汤剂含量测定方法和指纹图谱方法,阐明了二者之间的化学成分的量值传递规律,为首乌藤水提物及其配方颗粒质量控制提供参考。

自然资源生态产品价值核算的若干思考

生态价值是自然资源资产价值的重要组成。当前,国内自然资源资产实物价值核算取得长足进展,但其生态价值的核算与转化仍存在不足。本文分析自然资源生态产品价值内涵,阐述价值实现与核算的必然联系,在回顾实物量统计核算取得的前期成果基础上,分析存在问题难点,重点提出自然资源生态产品价值评估评定、调查监测、监督管理,以及信息化手段利用等方面工作思路。

北京冬奥会文化传播机理研究

北京冬奥会取得了举世瞩目的成功,特别是在充分彰显中国的文化底蕴和文化自信、精彩呈现中国文化的伟大魅力方面产生了全球性影响力,为中国文化的国际传播提供了经典范式。通过总结梳理发现,北京冬奥会文化传播实践中内蕴的“共同感知”“共同情感”“共同价值”逻辑机理,对于有效传播中国文化极其重要,对于讲好中国故事、传播好中国文化具有重要应用价值。