bluuebunny/crossref_metadata_2025 huggingface dataset:
Gambaran Strategi Coping Dalam Menghadapi Stres Pada Remaja Kleas 12 IPA SMA Negeri 1 Ngawi
Authors: Ashari Atiqoh Muafiyah , Ekayamti Endri , . Marwan
Published: February 2023

Latar belakang : Remaja rentan mengalami stres akibat beban akademi dan kondisi lingkungan sekitar. Menurut WHO kejadian stres di dunia sangat tinggi mencakup lebih dari 350 juta penduduk dan di Indonesia usia remaja (usia 18 – 23 tahun) memiliki tingkat stres lebih tinggi dengan rata – rata 6,1%. Stres terjadi akibat tekanan yang dapat berakibat buruk apabila tidak mendapat penanganan yang tepat sehingga perlu adanya strategi coping  sebagai bentuk pertahanan terhadap stres. Tujuan dilakukan penelitian ini adalah untuk mengetahui gambaran strategi coping dalam menghadapi stres pada remaja SMA Negeri 1 Ngawi. Metode : penelitian kuantitatif dengan metode deskriptif, dengan populasi sejumlah 250 remaja dan 111 besar sampel remaja secara simple random sampling, analisa data univariat. Hasil : didapatkan hasil bahwa remaja SMA Negeri 1 Ngawi kelas 12 IPA menggunakan strategi coping maladaptif 73 siswa (65,8%) dan adaptif 38 siswa (34,2%). Kesimpulan : Mayoritas remaja kelas 12 IPA di SMA Negeri Ngawi kelas 12 IPA menggunakan coping maladaptif yang dianggap dapat menyelesaikan masalah dalam waktu singkat.
Corporate Governance Beyond the Shareholder and Stakeholder Model
Authors: Schoenmaker Dirk , Schramade Willem , Winter Jaap
Published: February 2023

Corporate Governance Beyond the Shareholder and Stakeholder Model

There is a heated debate on shareholder versus stakeholder governance. The debate has expanded from traditional stakeholders who are directly involved with the company, such as employees and customers, to stakeholders who are indirectly affected by the company’s conduct, for example through ecological damage and climate change, including future stakeholders. But the lack of an integrated measure makes it difficult to hold the board accountable against multiple goals. This article develops an integrated model of corporate governance including current and future stakeholders, building on an integrated measure for corporate value. The board can use this integrated value measure to balance the interests of the various stakeholders in a structured way. The integrated value measure can also be used by stakeholders (including shareholders) to hold the board accountable for its decisions. Finally, the article examines mechanisms, such as stakeholder councils and sustainability-related performance pay, to include the interests of the various stakeholders on the board.
Multiphysics Simulations of the Process of Neuromuscular Activation
Authors: Ivanova Zdravka
Published: February 2023

In this Master's thesis, we consider the problem of mathematical modelling and computer simulations of neuromuscular activation. We describe the biological and biochemical processes that result in a muscle contraction. For each of them, we derive a mathematical model, established in the literature. In particular, we consider:

the Hodgkin-Huxley model of neural transmission;
a reaction-diffusion model for the process of neurotransmitter release in the synaptic gap between a nerve and a muscle cell;
an ODE system, based on chemical reaction schemes, proposed by Williams, for the process of calcium dynamics inside the muscle cell;
Hill’s model for the generation of muscle force, triggered by calcium dynamics.

We study the models numerically to illustrate the behaviour of the model solutions and to interpret them from a biological point of view. For the model of calcium dynamics, we also make qualitative analysis and obtain original results for the asymptotic behaviour of the model solutions. Further, we propose a framework for coupling the models, mentioned above, so that we can obtain new integrated multiphysics simulations of the whole process. Our initial motivation for the study is the future application of the proposed approach for modelling neuromuscular diseases. Therefore, the framework we propose is based on the idea of modelling micro-scale processes and studying their effect on the macro-scale muscle action.
From the Sustainable Perspective:Participatory Design in Developing Countries
Authors: Zhang Man , Wu Yuwei
Published: February 2023

This paper evaluates a typical participatory design project for water management in Africa from the sustainability science perspective through an object-process-subject based analytical model. The conclusions show that the project exemplifies the object hierarchy, process iterations, and complex interactions among subjects of sustainable development. Object hierarchy implies the principle of intra-generational equity in a global context and reconciling sustainable development's environmental, economic, and social dimensions. Process iteration comes from the six iterative cycles of the participatory design process, stimulating real needs and broad participation. The total consideration of the local nature and complexity of the subject is conducive to the coordination of different stakeholders. The model's analytical results and shortcomings provide effective lessons for sustainable participatory design in developing countries.
he Peasants' Cognition and The Level of Informal Constraints and The Rural Land Institutional Change in China —Analysis and simulation based on dynamic evolutionary game model
Authors: Jiang Li , Zhang Lei , Li Lin
Published: February 2023

The peasants' cognition and informal constraints are important factors that affect the rural land institutional change in China. By constructing a dynamic evolutionary game model and conducting simulation analysis, this paper finds that the individual cognition of peasants affects the strategic choice of them, and then affects the direction of the rural land institutional change in China, which is the endogenous power of institutional change; Informal constraints are hierarchical and affect the speed of institutional change. The higher the level of informal constraints, the faster the speed of institutional change. Based on the above conclusions, this paper proposes to adhere to the road of gradual reform, carry out multi-party research activities, and improve peasants' cognition; Clarify the main status of f peasants in the reform and create an organizational form with them as the main core; Give rights to the rural grass-roots democratic autonomy, and form broad binding informal constraints.
Research on the Willingness of Educational Poverty Alleviation of female college students -- A case study of CWU
Authors: Zhu Yingbo , Li Juanjuan , Yu Caixia , Wu Yijie , Zhang Jiafeng
Published: February 2023

Educational poverty alleviation is the fundamental policy of poverty alleviation, an important premise of rural revitalization, an important basis for the implementation of the strategy of strengthening education, and an important starting point of education work. The paper takes the female students from CWU as the research object, using questionnaire survey and statistical analytical method to analyze the willingness of educational poverty alleviation and its influencing factors. The results showed that differences significant in terms of whether accept education funding and whether only-child and differences non-significant in terms of the different grade, income and source of students. Finally, the paper provides suggestions from three aspects of the state, school and individuals to encourage more college students to engage in educational poverty alleviation and boost the national rural revitalization.
China-US Currency Subsidy Dispute from WTO Perspective: Review and Response
Authors: Huang Yapei , Wen Ximeng
Published: February 2023

Since the new countervailing regulations came into effect, the U.S. Department of Commerce has conducted various countervailing investigations on Chinese enterprises for undervalued currency. This paper analyzes the core legal issues of undervalued currency subsidies, determines whether the exchange rate is undervalued and determines the elements and specificity of subsidies according to the Agreement on Subsidies and Countervailing Measures (SCM Agreement) and the WTO dispute settlement judicial mechanism, and proposes countermeasures in the face of the U.S. Department of Commerce's investigation.
Intellectual Property Rights Protection, Science and Technology Intensity and Enterprise Innovation Investment
Authors: Li Ziyang , Zhang Xingyu , He Xiqiong , Mao Huizhen
Published: February 2023

Using the data sets of Chinese A-share listed companies from 2013 to 2017, we investigate the relationship between intellectual property rights (IPR) protection and innovation investment. The results show that IPR protection has positive effect on innovation investment and this positive relation is less announced among the firms with strong science and technology intensity. This research enriches the existing papers with the innovation effect of IPR protection, enlightens institutional reform in the field of intellectual property rights, and stimulates the innovation vitality of enterprises.
A High-Level Planning Methodology of Enterprise Application Architecture
Authors: Xu Wei , Li Juan , Chen Quanjie , Li Guangyi
Published: February 2023

Enterprise IT strategy is an important tool for the success of enterprise digitization and informatization. Enterprise application architecture is the core of enterprise IT strategy. Aiming at the shortcomings of traditional enterprise application architecture methodology, this paper proposes a high-level planning methodology, which starts from enterprise business architecture, integrates application status analysis and application solution survey results, and uses suitable application architecture principles to complete the high-level planning of enterprise application architecture. This methodology has been successfully used in many enterprise IT strategy projects, and this article illustrates it with examples.
Statistics and Prediction: a Preliminary Study on the Birth Month and Diseases of The Elderly over 80 Years Old in China
Authors: GeZhang Shangjie , Liu Yating , Wei Qiaochu , Su Lili
Published: February 2023

The month of birth is related to the risk difference of diseases, and this research has been widely verified internationally. However, in China, there is still no study covering the whole country's birth date-multiple diseases at present. This study initiated a nationwide study on the relationship between the birth date of the elderly and their susceptibility to diseases. SPSS 26.0 software is used to analyze the Chinese Longitudinal Healthy Longevity Survey (CLHLS) by descriptive statistics, chi-square test and multiple regression model. The experimental data covered 23 provinces and 11 common diseases, and this article found that 5 of them were related to birth date. It should be pointed out that this is only a preliminary conclusion, and further conclusions and data will be given in the follow-up study. Although the internal complex relationship has not been deeply discussed in this paper, the research results provide some basis for tracing the source of diseases, and help the elderly who have reached or are about to reach the age of 80 to prevent and understand their prone diseases.
Research on the direction and path of rural commercial bank digital transformation under the background of rural revitalization
Authors: Luo Xiang , Hu Zhiyi , Hu Wen
Published: February 2023

At present, the digital transformation of commercial banks has become a trend. Compared with large banks, small and medium-sized rural banks are facing huge pressure from both the external environment and internal conditions. Small and medium-sized rural banks should combine the advantages of rural revitalization policy, improve the digital innovation of banking business, and strengthen cooperation with other professional service institutions. Based on the idea of "double chain linkage" proposed by Taihui Zhu and Yutong Zhang, combined with "financial service supply chain, rural industry supply chain and new infrastructure construction chain", digital financial services based on this idea are proposed to achieve collaborative innovation of the three. This paper has certain scientific reference significance for solving the "last mile" problem of rural commercial bank's digital transformation and helping rural revitalization.
Guagnzhou Transport Sector Carbon Emission Roadmap Study
Authors: Cui Ang , Yuan Minxian , Li Xiaoyu
Published: February 2023

According to the relevant requirements of achieving carbon peak in 2030,different policy scenarios are set to simulate the future energy consumption demand and CO2 Emission Trend of Guangzhou's transportation field under different scenarios, and analyze the direction and path of low-carbon development in Guangzhou.The results show that in order to achieve carbon peak by 2030, it is necessary to establish a long-term mechanism of green development: first, deepen the adjustment of transport structure;Second, guide social green and low-carbon travel; Third, continuously promote the application of new energy; Fourth, build green transportation infrastructure; Fifth, improve the green traffic supervision system.
The influence of college students' professional values on employment satisfaction
Authors: Li Na , Li Liang , L. Tio Dr. Joy , Liang Xiaona
Published: February 2023

There are many factors affecting the employment satisfaction of college graduates, among which the professional values of college students are a leading factor affecting the employment satisfaction of graduates, which plays an important role in career development.Taking the 2021 graduates of a university in Hebei Province as the survey object, through the analysis of the connotation of professional values and the exploration and research of relevant theories, this paper obtains the current situation of graduates' professional values and the relationship with employment satisfaction.
Self-Control and the usage intention of knowledge payment products: Evidence from college students
Authors: Hou Qiaoling
Published: February 2023

With the rapid advancement of internet and infor-mation technology, people can obtain fragmented information, and the demand for knowledge content have been boosted. By purchasing knowledge payment products, people can learn new knowledge at their trivial time and possibly be rewarded after completing the established learning rules. Consequently, when people believe they can learn additional knowledge for free, it is important to the ability of self-control. Yet, little attention has been paid to how Self-Control influences the usage intention of knowledge payment products and the differences under distinct rewarded mechanisms common in actual online courses. Through conducting a survey questionn-aire among students on campus (106 valid questionnaires) and employing the ordered logit approach, the findings indicated that self-control has a positive and significant influence on the usage intention of knowledge payment products. Moreover, the result also implied that cashback plays an important role to attract consumers to participate in the program, which is valu-able for knowledge contributors or platforms while they are proposing a similar program.
Study on the Improvement of Medical Service Quality in Beijing Tianqiao Community Health Service Center
Authors: He Qiong , Li Qixiao
Published: February 2023

Community health service centers are community-level medical institutions that implement a tiered diagnosis and treatment system, whose development profoundly impacts the establishment of basic medical and health systems with Chinese characteristics. Improving and enhancing medical service quality is a key problem for community health service centers.This study is based on the gap theory of service quality and the three-dimensional theory of “structure-process-outcome” quality evaluation. Taking the medical service of Beijing Tianqiao Community Health Service Center as an example, this study constructs an index system of medical service quality evaluation. Through the investigation of 211 people, SPSS software was used for data processing and analysis. The study found that most patients has evaluated the medical service quality in beijing tianqiao community health service center as greater than expectations, whose qualified items accounted for 93%. Among them, the scores of efficient business handling, docking and referral with large hospitals and accurately recording the diagnosis and treatment process are high, while the actual perception scores of patients on reasonable distribution of departments and clear signs and multiple types of specialist clinics are lower than the expected scores. Through communication with patients and hospitals, on the one hand, in the form of COVID-19, patients are willing to choose community hospitals if they are not suffering from serious diseases in order to reduce the risk of infection. On the other hand, in order to facilitate the masses and reduce the pressure of class III hospitals, the government has invested a lot of funds in the development of community hospitals, and patient satisfaction has been improved. As more and more people go to community hospitals, people have higher and higher requirements for the distribution of departments and diversified specialist clinics. Based on this, some suggestions are put forward to establish and add specialized departments and consider using technologies such as information IT to improve the convenience of medical treatment for the elderly.
Analysis of the Application of Blockchain in the Military Supply Chain
Authors: Tang Yi , Zhang Yunzhe
Published: February 2023

The military manufacturing is a complex and huge industry. With the rapid development of economic globalization and the deepening of industrial division of labor, issues such as trust management between enterprises, privacy protection during interaction, and the authenticity and transparency of product information have become increasingly prominent. The technical characteristics of the blockchain itself can play a great advantage in the field of collaborative management of the military supply chain. This paper studies the current development status of blockchain technology, supply chain collaboration, military supply chain and other fields, and the application direction of blockchain technology in various fields are analyzed and summarized. It discusses and summarizes the possible combination of the current military supply chain data collaborative sharing and the blockchain, also, some possible improvements are proposed.
Research on Green Intelligent Building Design Strategy for small infrastructure project of Fujian Electric Power Company of State Grid
Authors: Ruan Xiaofei , Yang Disan , Li Yonghong , Zhang Jinbo , Huang Xiaoyu , Cao Lexuan , Lin Yubin
Published: February 2023

In order to realize the green and intelligent development of small infrastructure projects of State Grid Fujian Electric Power Company, and help the national strategic development goals of carbon peak and carbon neutrality, this paper analyzes and summarizes the green and intelligent design strategies suitable for small infrastructure projects of State Grid Fujian Electric Power Company, and help the green, low-carbon and intelligent transformation of State Grid Fujian Electric Power Company.
Application research of Welding process monitoring system based on LAN
Authors: Sun Li
Published: February 2023

In the field of production and manufacturing, the monitoring of welding information and analysis of post-welding signal is an important technical means to ensure the overall quality of work. Monitoring the information parameters in the welding process and comprehensively mastering the construction process of welding process can not only quickly obtain the working status of the staff, but also take the collected signal as the basis for quality evaluation. Based on the research status of welding process monitoring system in the new era, this paper discusses the design of monitoring system for real-time acquisition of welding process information, and makes clear the application principle of signal analysis, management module and quality evaluation system. The final results show that the overall system design can not only manage the real-time data, but also optimize the welding technology and improve the quality of welding work.
Observation of the Expression of Dazl and Vasa Suggests that Chinese Soft-shelled Turtle Use the Inductive Mode of Primordial Germ Cell Specification
Authors: Cao Dainan , Wei Yufeng , Gao Yangchun , Huang Yujie , Sun Yunxiao
Published: February 2023

The origin, migration and differentiation of primordial germ cells (PGCs) have always been an important issue in developmental biology. At present, studies on the specification of PGCs in amniotes mainly focus on birds and mammals. Turtles are reptiles known as "living fossils", and their sex determination is influenced by both genetic and environmental factors, making them an ideal model animal for the study of vertebrate sex differentiation. However, the study of PGCs specification in turtles is very limited. Here we reported using RNA probes for the germ cell-specific markers Dazl and Vasa to examine growing oocytes, early embryos and adult ovaries in the Chinese soft-shelled turtle. The results shows that the expression of Dazl and Vasa could not be detected in the growing oocytes and early embryos, and the specification of germline begins around E7, indicating that the Chinese soft-shelled turtle do not contain germ plasm and belongs to the inductive specification.
International School Sports Development Intelligence And Visual Analysis In The Last Decade ——Based On a Bibliometric Perspective
Authors: Huang Xujia , Zhang Wanjin
Published: February 2023

School physical education development in China has always played an important role in promoting students' physical and mental development, especially in recent years with the continuous improvement of China's physical education science system and more ambitious physical education and health development goals, school physical education development in China will continue to be studied in depth. This study is based on the current research status of international school sports development, by sorting out the developmental evolution of international high-quality research, research hotspots and frontiers; in order to contribute to the theoretical basis of domestic research and provide reference to the research of related scholars. The study shows that the research system of international school physical education is relatively fixed and perfect, and the research frontiers are highly relevant to the research hotspots, mainly including: (1) the optimization of the teaching system model of school physical education curriculum; (2) the functional utility of school physical education activities to promote the physical and mental development of children and adolescents; (3) the assessment content of school physical education teaching. Finally, suggestions are made for specific directions that domestic scholars can study in the future.
Influence of resident behaviour on building energy consumption of ultra-low energy residential buildings
Authors: Liu Shaoliang , Hao Cuicai , Zhang Yulong , Wang Fuqian , Li Yuan
Published: February 2023

He ultra-low energy building is considered to be an important path to achieving carbon neutrality in buildings. In order to profoundly investigate the correlation between behaviour and building energy efficiency, the influence of behaviour on energy consumption in ultra-low energy buildings was investigated by means of theoretical analysis and field tests. Results revealed that the difference in energy consumption was caused by the household situation, living habits and subjective consciousness of the occupant. It can be seen that studying the behaviour of ultra-low energy building occupants can provide valuable insights for achieving low and zero carbon social housing.
Optimization of Oil Production Fermentation and Analysis of Fermentation Process for Chemical induction of Fungus Penicillium Citrinum Asc2-4 associated with Pyrosomella verticilliata
Authors: Luo Zhengdong , Lei Xiaoling
Published: February 2023

Increasing the biomass and oil production of the Pyrosomella verticilliata associated fungus Penicillium citrinum Asc2-4 using inorganic salt chemical induction. The results revealed that KH2PO4, MgSO4, and FeCl3 were significant in promoting oil concentration, and orthogonal optimization revealed that adding these three inorganic salts at 4 g/L, 1.5 g/L, and 1.0×10-7 g/L could increase amount of biomass and oil concentration to 14.52 g/L and 4.73 g/L, respectively, which were 29.64% and 89.20% higher than before fermentation optimization. Gas chromatography analysis of the fatty acid content and the fraction of the bacterial oil revealed that the oil contained as much as 94.08% C16 and C18 fatty acids, and the bacterium has the potential to being employed as a raw material for biodiesel. The fourth day of fermentation with filamentous fungal form proved to be beneficial for the fungus to collect oil, with the sugar-oil conversion rate reaching 15.30%, making it a suitable time point for sugar supplementation fermentation. The fourth and sixth days had the greatest values for biomass and oil concentration, respectively. This research can serve as a theoretical foundation for the advancement of industrial oil production by Penicillium citrinum Asc2-4.
Nature Orientation: Values Shift in Accordance with Complex System Brittleness Theory
Authors: Lu Yanqin , Huang Xiaojing
Published: February 2023

The occurrence of brittle behavior acts as a feature of complex systems. Complex systems consist of numerous simple systems by combining various hierarchical structures; they exist through the nonlinear action of coupling. The system disorder attributed to the loss of material and energy in subsystems directly adversely affects the direct receiver, thereby inducing the motivation of brittleness. Complex systems inevitably exhibit brittle behavior. As nature and human society are subsystems of a complicated giant system, there are risks of brittle behavior in nature and human society. The occurrence of brittle behavior originated from the disharmony and disorder of conventional values in the judgment of the objective relationships between human and nature, causing the discomfort of the system. However, the “nature-oriented” values modified the conventional values. Human society is open to the nature, and the output and input are basically balanced in the overall amount of material and energy.
Modeling the interaction between energy source enterprises and industrial enterprises as “Nature-Technology” closed-loop control systems
Authors: Solnitsev R.I. , Wang Lei
Published: February 2023

This paper focuses on models of interaction between energy source enterprises and industrial enterprises in order to minimize and control atmospheric emissions. Based on these models, computer simulations of “Nature-Technology” closed-loop control systems-energy source enterprises and industrial enterprises at the meta, macro and mini-models are carried out within the concept of “Nature-Technology” closed-loop control systems, taking into account the existing constraints of China norms and standards with inputs from the Beijing region of China. The simulations are based on a combined heat and power plant and a steel (cement) plant. Overall energy consumption and emissions monitoring based on computer modelling of energy source enterprises and industrial enterprises, including consideration of standards and guidelines for environmental and energy policies and plans in the Beijing region of China.
Research on the influence of lubrication performance of hydrodynamic journal bearings based on orthogonal test method
Authors: Hu Xinliang , Wang Jun , Yu Kaiping , Chi Quande
Published: February 2023

The orthogonal experiment design method is used based on analysis of lubrication of hydrodynamic journal bearing．The effect of structural parameters ( bearing diameter，wide diameter ratio and clearance ratio) and operating parameters ( linear velocity and specific pressure) on lubrication performance of hydrodynamic journal bearings is studied． The results show that the linear velocity and specific pressure have significant influence on maximum oil film pressure of the bearings．The influence of specific pressure and bearing diameter on load capacity of the bearings is significant．The bearing diameter and linear velocity have significant influence on discharge flow of the bearings．The linear velocity has the most significant influence on friction power loss of the bearings when the low viscosity lubricant is used， and the clearance ratio，specific pressure and bearing diameter have a great influence on friction power loss of the bearings when the high viscosity lubricant is used．
The Study on the Performance of Regeneration Aggregate Pavement Base Material Under Standard Grading Median
Authors: Zhao Hui , Cai Xiaoping , Yang Wencui , Liu Penghuan
Published: February 2023

In recent decades, with social and economic development, many new buildings and buildings have been built, while many old buildings have been demolished. Therefore, the world should consider how to reuse construction waste. Reuse of construction waste as aggregate to new buildings or road construction is an effective way. The effect of median aggregate regeneration aggregate on the performance of pavement base material was studied in this paper. Recycled concrete aggregate was used to replace 25 %, 50 % and 75 % of natural aggregate by volume, respectively. While the recycled clay brick was used to replace 5 %, 10 %, 15 % and 30 % of natural aggregate by volume. In addition, recycled aggregate composed of recycled concrete and recycled clay bricks in different proportions was used to replace aggregate of road base materials. The maximum dry density, optimum moisture content, unconfined compressive strength and drying shrinkage of road base materials were studied. The results show that the optimum moisture content increases with the increase of recycled aggregate replacement, and the biggest dry density decreases with the increase of recycled aggregate replacement. Recycled aggregate can improve the 7 d unconfined compressive strength of pavement base material and reduce the dry shrinkage rate in a certain range of replacement rate. When the aggregate was 100 % recycled aggregate, with the increase of recycled clay brick content, the 7d unconfined compressive strength of the material decreases and the drying shrinkage would increase.
Micro RFID Tag Applied to Logistics Equipment Components
Authors: Wang Hongwei , Wang Hua
Published: February 2023

It involves a micro RFID tag antenna which can be mounted in multi-scenario. By designing antenna line type, it enlarges the antenna’s bandwidth and helps resist environmental impacts. When the tag is directly pasted on metal, plastic, wooden, or paper surfaces, the tag can exhibit robust properties and still work normally. The design has a micro shape with a diameter of nearly 8mm, and an area of under 200mm2. It is especially suitable for the identification of screws, equipment parts in logistics warehouse. The structure with one-sided design results in low manufacture cost and further mass promotion. By means of the electronic identification of small-sized grip components, it contributes to achieve goods’ anti-counterfeiting and refined management purposes.
Research on hydrodynamic performance calculation of buoy-chain-sprocket wave energy collection device
Authors: Fang Pengfei , Su Xiangdong , Chen Deshuai , Zhu Linsen
Published: February 2023

Buoy-chain-sprocket wave energy collection device is a new type of oscillating buoy wave energy collection device, which has a good application prospect. The calculation method of the hydrodynamic performance of wave energy device (e.g. the first-level average collection efficiency of wave energy) is the core scientific problem of wave energy device, and it is also the theoretical basis for the optimization and control of wave energy device prototype. In this paper, on basis of linear potential flow theory, after the velocity potentials are calculated with eigenfunction expansion method and matching asymptotic expansion method, the frequency-domain wave loads in the heave, surge and pitch directions of the floating body are obtained. And then the motion coordination relationship of the floating body of buoy-chain-sprocket wave energy collection device is used to establish time-domain hydrodynamic motion response equations of the floating body of the device based on the Cummins method. After these equations are solved via the fourth-order Runge-Kutta method, the first-level average collection efficiency of the wave energy device is acquired. In order to further improve the calculation accuracy, the frequency-domain wave-exciting force is calculated by using variable draft depth when the hydrodynamic response of buoy-chain-sprocket wave energy collection device is calculated in this paper. Finally, the reliability of the above calculation method for the hydrodynamic performance of buoy-chain-sprocket wave energy collection device is verified through physical model experiment.
Experimental research on the polished surface quality of hard anodized film of aluminum alloy
Authors: Wang Zeliang , Lu Jing , Mu Jinyao , Qiu Hongwei
Published: February 2023

An experimental study was conducted for the surface polishing of the oxide film after hard anodizing of 2D70 aluminum alloy. The surface roughness and surface morphology of aluminum alloy before, after anodizing and after polishing were analyzed, and the effects of polishing force, polishing speed, feeding amount and sandpaper grit on the polished surface roughness were investigated experimentally. The results showed that the surface roughness of 2D70 aluminum alloy decreased by 1 grade on average after hard anodizing. The hard anodized film surface has more linear protrusions, large pits and a large number of small pores. After polishing, the linear protrusions and small pores disappear, and a small number of new linear grooves appear, while the condition of large pits does not change much. The depth of small pores on the oxide film surface is within 11μm in most cases. As the polishing force, feeding amount and sandpaper grit increase, the decreasing trend of roughness value also gradually increases, and the decreasing trend of the thickness of hard anodic oxide film gradually increases. As the polishing speed increases, there is no clear trend in the decreasing trend of rough
Study on the weight reduction of the OSR film paste technology for satellite
Authors: Yao Shuang , Huang Yuping , Chen Xueting , Dong Benxing , Cui Linru , Ma Jieling
Published: February 2023

This paper studied the weight reduction implementation of the OSR sheet bonding process for satellites. This research realized the weight reduction of the OSR sheet by changing the types of conductive fillers and the thickness of the adhesive layer. And the change of bonding performance of OSR sheet after weight reduction was verified by experiments. This paper provided a reference for the weight reduction design and manufacture of subsequent thermal control projects of the satellite.
Analysis of online diagnosis and repair technology of lead acid battery faults
Authors: Teng Tao
Published: February 2023

Lead-acid battery, as a basic component of DC power supply equipment in power communication system, is also known as maintenance-free battery. It is believed that it does not need maintenance treatment in the initial stage of application research. However, as an electrochemical product, it has relatively high requirements for both use environment and operation. It is the main problem discussed in electric power industry at present. In this paper, on the basis of understanding the research status of online fault diagnosis technology of lead-acid battery, according to the basic principle of lead-acid battery and online detection system, discharge treatment of two groups of tested single battery load, calculate and analyze the battery resistance value. The final experimental results show that this method can solve the safety hazard of the whole battery line discharge, control the equipment cost, and ensure the fault location is more accurate and effective.
Evaluation of anxiety, depression, aggression, and life satisfaction of nurses working with severe acute respiratory syndrome coronavirus 2-infected patients
Authors: Szlenk-Czyczerska Elżbieta , Włodarczyk Marta
Published: February 2023

Background: Negative emotions such as anxiety, depression, and aggression are among the factors that influence the level of perceived life satisfaction. Life satisfaction is related to physical and mental health and is an important component of human functioning. Nurses are particularly vulnerable to negative emotions due to their high-risk occupation and contact with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected individuals. Aim of the study: The main objective of this study was to investigate the relationship between life satisfaction and levels of anxiety, depression, and aggression among nurses working with patients infected with the SARS-CoV-2 virus. Material and Methods: This cross-sectional observational study interviewed 110 individuals employed in two medical institutions in Opole and Lower Silesia Voivodeships between September and December 2021. Interviews were conducted using two standardized questionnaires, the Hospital Anxiety and Depression Scale-Modified Version (HADS-M) and the Satisfaction with Life Survey (SWLS). Results: Analysis revealed that 26.3% (n = 29) of nurses working with SARS-CoV-2-infected patients had marked anxiety symptoms, whereas 5.5% (n = 6) of respondents had depressive disorders. There was no association between age and levels of anxiety (p = 0.153) or depression (p = 0.867), although the workplace had a significant effect on the severity of anxiety (p < 0.001) and depressive symptoms (p = 0.019). Most respondents (66.4%, n = 73) described their life satisfaction as average. However, borderline depressive symptoms significantly impacted levels of perceived life satisfaction (p = 0.031). Conclusions: Nurses working in coronavirus disease (COVID) wards were more likely to show anxiety symptoms than signs of depression, while borderline depressive symptoms were more prevalent in those with low life satisfaction. Age and marital status did not affect the severity of anxiety or depression among respondents. These findings provide the basis for a deeper exploration of the issues and highlight the increasing need for more professional support.
Analogue properties of junction-less strained dg-mosfet
Authors: L. Tomasz  , N. Andrej
Published: February 2023

This paper discusses an extensive investigation on the influence of work-function (WF) tuning on analogue properties of the n-type junction-less strained double-gate MOSFET. The investigation on the device has been conducted with fixed level of input parameters operating in saturation mode by taking the dependency of analogue properties on the WF tuning into account. Numerical simulation was performed using industrial-based process/device simulator, Silvaco TCAD tools. The simulation results revealed that analogue properties of the device such as transconductance (gm), transconductance generation factor (TGF), output conductance (gd) and early voltage (VEA) exhibited an increase of ~17.4%, ~104.7%, 96% and 69.4% respectively as the WF is slightly minimized. However, the output impedance (ro), and intrinsic gain (AV) were deteriorated for ~58.4% and ~16.2% respectively as the WF is slightly minimized.
Mobility Management Framework in Edge Computing using Multi Criteria Decision Making
Authors: Chopra Nidhi , Sharma Anurag , Dhand Pooja
Published: February 2023

The urge for seamless and ubiquitous connectivity for heterogeneous devices and networks to deliver desired results has gathered a lot of attention of researchers, academicians and industry experts. To a large extent, this issue has been resolved by cloud computing through task offloading either partially or fully but sending so much data on cloud create overheads. So, a particular task has to be uploaded or not and handoff to be initiated or not is a major decision. Through this paper, an algorithm to take the decision for handoff and switching to the most lucrative network has been proposed. The scheme aims to preserve and provide the users with Quality of Service and Quality of Experience while keeping in mind the criteria of offloading traffic to another cell or network based on the number of mobile users, type of application being used on the mobile, available bandwidth, and network load. The proposed mobile edge architecture may improve the timely execution of the handover process, greatly reduces the ping-pong rate and terminal overhead.
A Critical review of Monthly “Anokhi Kahaniyan”
Authors: Mubashar Saeed  , Dr. Afzal Hameed
Published: February 2023

One of the major fields of literature and journalism is Children's Literature. In the 19th century, the tradition of the publication of magazines in Urdu journalism became very strong, but the first regular magazines for children began in the early twentieth century. “Bachon Ka Akhbar” of Munshi Mehboob Alam is regarded as the first children's magazine published in May 1902. So far more than 300 such magazines have been launched till now. Monthly “Anokhi Kahaniyan, Karachi" of the 1990s has published more than 450 volumes. 55 were special numbers. Monthly “Anokhi Kahaniyan” has sparked almost three generations of children’s writers. It provided writers for drama, journalism, and poetry. It made the history of children's literature.
The effects of purslane (Portulaca oleracea) and fennel (Foeniculum vulgare Mill) hydroalcoholic extracts on the functional parameters of human spermatozoa after vitrification
Authors: Torkamanpari Marzieh , Ghorbani Fatemeh , Lorian Keivan , Koohestanidehaghi Yeganeh
Published: February 2023

Objective: Reactive oxygen species (ROS) are produced during cryopreservation of human sperm and impair sperm function. Antioxidant compounds, such as fennel and purslane, reduce the damaging effects of ROS. This study aimed to evaluate motility parameters, plasma membrane integrity (PMI), mitochondrial membrane potential (MMP), intracellular ROS, and DNA damage to determine the optimum concentrations of hydroalcoholic extracts of fennel and purslane for human spermatozoa cryopreservation.Methods: Twenty human sperm samples were used and divided into seven equal groups consisting of fennel hydroalcoholic extract (5, 10, and 15 mg/L), purslane hydroalcoholic extract (25, 50, and 100 mg/L), and no additive.Results: Supplementation of 25 mg/L and 50 mg/L purslane extract and 10 mg/L fennel extract in cryopreservation extender significantly increased the motility and PMI of sperm with a significant reduction in intracellular ROS compared to control groups (p<0.05). A 50 mg/L concentration of purslane extract elevated progressive motility and MMP compared to the control group (p<0.05). No significant differences were seen for motion patterns and DNA damage of frozen-thawed human sperm in extender containing these extracts.Conclusion: The results showed that supplementation of 50 mg/L purslane extract and 10 mg/L fennel extract in semen cryopreservation extender has the potential to decrease intracellular ROS and subsequently elevate the motility and PMI of human sperm.
Could digital workflow replace the conventional? A narrative review
Authors: Zangani Alessandro , Gelpi F , Faccioni P , Luciano U , Pardo A , Melloni F , Zambotti T , Alberti C , Zerman N
Published: February 2023

In the last ten years, digital technologies have conditioned our lives in many ways. Also, in dentistry, new inventions changed our working routine, accompanying the clinician from the analogic epoch to the digital. A fully digital workflow seems to be very promising in terms of less discomfort for the patients and less time needed to make an impression than the traditional method. However, many aspects still need to be investigated, such as the procedure’s complexity, the optical impression’s reliability, the precision of the CAD-CAM-made crown, the costs, and the time needed to deliver a final crown. This review aims to understand, analyzing some RCT studies, whether a digital workflow is reliable compared to the analogic.
A un año del Grito de Libertad: Reflexiones a propósito de las manifestaciones del 11J en Cuba
Authors: Izquierdo Yoandy , Maceo Ariel , González Saily , Morfi Giselle , González Claudia , Acosta Elaine , López Lennier , Arcos Sebastián , Dieguez Ileana , Rodríguez Carlos , Durán Juan
Published: February 2023

Después de las manifestaciones del 11 de julio de 2021 en Cuba diferentes organizaciones, observatorios y grupos defensores de Derechos Humanos se han encargado de registrar las detenciones arbitrarias por parte del régimen. Un año después, para el mes de julio de 2022, más de 1767 personas han sido detenidas por salir a manifestarse en contra de la vulneración de sus derechos en la reivindicación del 11J y las arbitrariedades cometidas por el régimen desde la fecha. Según Justicia 11J y Cubalex (2022) son más de 750 personas las que aún continúan en prisión y apenas 689 han sido juzgadas. Cada una de ellas ha sido víctima de la represión del Estado en diferentes planos, coaccionando el espacio virtual, artístico, académico y hasta alimentario. La situación es lamentable, miles de familias cubanas han sido separadas por los excesos cometidos por la seguridad del Estado, que ha hostigado a los manifestantes buscándolos incluso en sus domicilios y sometiéndolos a vigilancia policial
Intertextualidad y multimodalidad en páginas de Facebook durante el estallido social chileno
Authors: Moreno de León Tomás , De León Arellano Esperanza , Bautista Cedillo Jorge
Published: February 2023

A partir del uso de redes sociales, las personas pueden esparcir sus ideas o discursos acerca de diversos ejes temáticos como lo pueden ser aspectos religiosos, deportivos, políticos o de cualquier otra índole a través de compartir múltiples textos multimodales a miles o incluso millones de personas. Un acontecimiento que repercutió en esta práctica fue el estallido social que inició el 18 de octubre de 2019 en Santiago de Chile, especialmente en el eje temático de la política. En este contexto, gran cantidad de administradores de sitios web de Facebook mostraron su descontento o aprobación con respecto de los diversos eventos que acontecieron durante esta movilización social. En este sentido, el objetivo de esta investigación fue describir la intertextualidad y la multimodalidad de textos compartidos por páginas de Facebook con afinidad política de izquierda y con afinidad política de derecha durante las primeras ocho semanas de la crisis social que vivó Chile (18 de octubre de 2019 a 13 de diciembre de 2019), prestando especial atención a la co-construcción de la opinión pública. Enmarcada en el paradigma cualitativo, esta investigación es un estudio de teoría fundamentada u de análisis del discurso de las publicaciones de dos sitios de Facebook; uno con orientación política de derecha y otro con orientación política de izquierda. A partir de un corpus de 124 textos, emergieron ocho categorías que dan cuenta de los rasgos multimodales e intertextuales de los textos producidos y, a su vez, se identificaron diez discursos que co-construyen la opinión pública de quienes administran páginas de Facebook de tipo blog. Finalmente, el artículo concluye planteando un conjunto de axiomas con miras a la creación de una teoría fundamentada en datos empíricos.
La educación superior frente a los desafíos del tercer milenio
Authors: De Chazal P. José Antonio
Published: February 2023

...es preciso reafirmar el compromiso institucional con la educación superior boliviana, asumir los desafíos que nos permitan la conquista de espacios en el contexto internacional, ubicándonos a nivel de universidades de clase mundial capaces de competir en calidad, con los recursos disponibles, frente a cualquier universidad del mundo de similares dimensiones.
Mancomunidades municipales
Authors: Steinbach Méndez Ingrid
Published: February 2023

Nuevas conformación territorial y de gestión participativa para el desarrollo humano en Bolivia.