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Hydrocarbon accumulation and orderly distribution of whole petroleum system in marine carbonate rocks of Sichuan Basin,SW China 被引量:1
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作者 GUO Xusheng HUANG Renchun +3 位作者 ZHANG Dianwei LI Shuangjian SHEN Baojian LIU Tianjia 《Petroleum Exploration and Development》 SCIE 2024年第4期852-869,共18页
Based on the situation and progress of marine oil/gas exploration in the Sichuan Basin,SW China,the whole petroleum system is divided for marine carbonate rocks of the basin according to the combinations of hydrocarbo... Based on the situation and progress of marine oil/gas exploration in the Sichuan Basin,SW China,the whole petroleum system is divided for marine carbonate rocks of the basin according to the combinations of hydrocarbon accumulation elements,especially the source rock.The hydrocarbon accumulation characteristics of each whole petroleum system are analyzed,the patterns of integrated conventional and unconventional hydrocarbon accumulation are summarized,and the favorable exploration targets are proposed.Under the control of multiple extensional-convergent tectonic cycles,the marine carbonate rocks of the Sichuan Basin contain three sets of regional source rocks and three sets of regional cap rocks,and can be divided into the Cambrian,Silurian and Permian whole petroleum systems.These whole petroleum systems present mainly independent hydrocarbon accumulation,containing natural gas of affinity individually.Locally,large fault zones run through multiple whole petroleum systems,forming a fault-controlled complex whole petroleum system.The hydrocarbon accumulation sequence of continental shelf facies shale gas accumulation,marginal platform facies-controlled gas reservoirs,and intra-platform fault-and facies-controlled gas reservoirs is common in the whole petroleum system,with a stereoscopic accumulation and orderly distribution pattern.High-quality source rock is fundamental to the formation of large gas fields,and natural gas in a whole petroleum system is generally enriched near and within the source rocks.The development and maintenance of large-scale reservoirs are essential for natural gas enrichment,multiple sources,oil and gas transformation,and dynamic adjustment are the characteristics of marine petroleum accumulation,and good preservation conditions are critical to natural gas accumulation.Large-scale marginal-platform reef-bank facies zones,deep shale gas,and large-scale lithological complexes related to source-connected faults are future marine hydrocarbon exploration targets in the Sichuan Basin. 展开更多
关键词 Sichuan Basin margin oil/gas whole petroleum system carbonate hydrocarbon accumulation hydrocarbon distribution law hydrocarbon exploration target
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Role Dynamic Allocation of Human-Robot Cooperation Based on Reinforcement Learning in an Installation of Curtain Wall
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作者 Zhiguang Liu Shilin Wang +2 位作者 Jian Zhao Jianhong Hao Fei Yu 《Computer Modeling in Engineering & Sciences》 SCIE EI 2024年第1期473-487,共15页
A real-time adaptive roles allocation method based on reinforcement learning is proposed to improve humanrobot cooperation performance for a curtain wall installation task.This method breaks the traditional idea that ... A real-time adaptive roles allocation method based on reinforcement learning is proposed to improve humanrobot cooperation performance for a curtain wall installation task.This method breaks the traditional idea that the robot is regarded as the follower or only adjusts the leader and the follower in cooperation.In this paper,a self-learning method is proposed which can dynamically adapt and continuously adjust the initiative weight of the robot according to the change of the task.Firstly,the physical human-robot cooperation model,including the role factor is built.Then,a reinforcement learningmodel that can adjust the role factor in real time is established,and a reward and actionmodel is designed.The role factor can be adjusted continuously according to the comprehensive performance of the human-robot interaction force and the robot’s Jerk during the repeated installation.Finally,the roles adjustment rule established above continuously improves the comprehensive performance.Experiments of the dynamic roles allocation and the effect of the performance weighting coefficient on the result have been verified.The results show that the proposed method can realize the role adaptation and achieve the dual optimization goal of reducing the sum of the cooperator force and the robot’s Jerk. 展开更多
关键词 Human-robot cooperation roles allocation reinforcement learning
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The Influence of Academic Self-Efficacy on Learning Engagement in Online Education in China:The Mediating Role of Effort
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作者 Yan Zhang Zhicui Yao Jian Wang 《Journal of Contemporary Educational Research》 2024年第10期61-68,共8页
The shift towards online intelligent learning has become the norm in education and is now a fundamental part of modern educational activities.However,this new model can influence students’learning behavior and lead t... The shift towards online intelligent learning has become the norm in education and is now a fundamental part of modern educational activities.However,this new model can influence students’learning behavior and lead to changes in their approach to learning.Based on online intelligent learning,we investigated how the academic self-efficacy of nursing students affects their engagement with learning and explored the role of academic attribution as a mediator.Five hundred fifty-three nursing college students from Hebei and Hunan provinces in China participated in the online questionnaire.The results revealed that effort plays a mediating role in the relationship between academic self-efficacy and learning engagement. 展开更多
关键词 Academic self-efficacy Learning engagement Online learning Mediating role EFFORT
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Associations between residence and cognitive function among Chinese older adults: the mediating role of leisure activity
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作者 Xiao-Dong Leng Wen-Ping Zeng Mao-Rui Qian 《Medical Data Mining》 2024年第3期46-52,共7页
Background:Cognitive function is a current research hotspot,residence may be related to differences in cognitive function,and the mediating role of leisure activities are limited in Chinese research.This study used le... Background:Cognitive function is a current research hotspot,residence may be related to differences in cognitive function,and the mediating role of leisure activities are limited in Chinese research.This study used leisure activities as a mediating variable to investigate the mediating role of leisure activity between place of residence(city-town-rural)and cognitive function among Chinese older,this is where the innovation of the article comes in.Methods:Using cross-sectional data from the 2018 Chinese Longitudinal Healthy Longevity Survey,Pearson correlation analyses were employed to examine the relationships among various indicators.Mediation analyses were conducted using the SPSS PROCESS macro program,version 3.5,written by Hayes,to explore the mediating effects of leisure activity between place of residence and cognitive function in older adults.Results:A total of 10955 older adults were included in this study,with a mean age of(84.23±11.57)years.Among them,2739(24.8%)lived in the city,3627(33.1%)in town,and 4615(42.1%)in rural areas;their leisure activity score was(5.34±3.77),and their cognitive function score was(24.69±6.65).Place of residence,leisure activities,and cognitive function were significantly correlated(P<0.01).Using city as a reference,place of residence is negatively associated with cognitive function,and place of residence not only had a direct effect on cognitive function in older adults:town-cognitive function(effect=–0.399;95%confidence interval(CI)=(–0.685,–0.113));rural-cognitive function(effect=–0.42;95%CI=(–0.698,–0.141)).There were also indirect effects on cognitive function through the pathway of leisure activity:town-leisure activity-cognitive function(effect=–0.17;95%CI=(–0.246,–0.1)),rural-leisure activity-cognitive function(effect=–0.199;95%CI=(–0.272,–0.13)).Conclusion:Leisure activities play a partially mediating role between the impact of place of residence and cognitive function in Chinese older adults,and it is vital to pay attention to the impact of place of residence on the cognitive function of older adults in various aspects,and to increase the participation rate of older adults in leisure activities,which is beneficial to the prevention of cognitive decline and the protection of older adult’s physical and mental health. 展开更多
关键词 RESIDENCE leisure activity cognitive function intermediary role older adults
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Study on the Promoting Role of Animating Zhuang Non-Heritage Folktales in the Ethnic Culture Industry
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作者 Danya Liu 《Proceedings of Business and Economic Studies》 2024年第3期65-69,共5页
This study aims to explore the role of animating Zhuang non-heritage folktales in promoting the national culture industry.Using literature research,case studies,and comparative research methods,the positive impacts ar... This study aims to explore the role of animating Zhuang non-heritage folktales in promoting the national culture industry.Using literature research,case studies,and comparative research methods,the positive impacts are analyzed in depth across four dimensions:cultural value inheritance,market demand,dissemination channels,and industrial innovation.The results show that animating Zhuang non-heritage folktales can help inherit national culture,meet market demand,broaden communication channels,and promote industrial innovation.Finally,this paper proposes corresponding policy suggestions and implementation paths to provide references for the sustainable development of the ethnic culture industry. 展开更多
关键词 Zhuang folktales ANIMATION National culture industry Promotion role
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Theoretical Analysis and Practical Reflection on the Role Conflict of Double-Qualified Teachers in University-Affiliated Hospitals
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作者 Yuanyuan Jia Yu Cai +2 位作者 Siqi Wang Ying Yang Ge Wu 《Journal of Contemporary Educational Research》 2024年第5期27-36,共10页
Taking role conflict as the starting point,this article examines and reflects on the development of clinical teachers.In the process of the occurrence,development,and resolution of role conflicts among clinical teache... Taking role conflict as the starting point,this article examines and reflects on the development of clinical teachers.In the process of the occurrence,development,and resolution of role conflicts among clinical teachers,there are many hidden issues related to the development of clinical teachers.The development of clinical teacher teaching and role conflict management contain similar educational philosophies and practical issues.This study draws on classic theories and research achievements in the development of university teachers and conducts theoretical analysis and practical reflection on the development of clinical teachers in medical colleges from the perspective of role conflict in social psychology.Policy recommendations are proposed,including strengthening the construction of teaching systems at the hospital organizational environment level,enhancing the role identity and teacher beliefs of clinical teachers,promoting their teaching development and academic learning,and ensuring their normal teaching investment;promoting leadership support at the level of interpersonal interaction and leveraging the role of colleague support in alleviating role conflicts;enhancing individual teacher beliefs,teacher role learning,and role skills. 展开更多
关键词 University-affiliated hospitals Double-qualified teachers role conflict
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Exploration of the Evolution of Teacher Roles and Professional Development Needs Among University English Instructors
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作者 Yuanyuan Zhou 《Journal of Contemporary Educational Research》 2024年第5期207-211,共5页
The role of university English instructors has evolved significantly over the years,encompassing various aspects.This paper explores the evolution of the role of university English instructors and examines the current... The role of university English instructors has evolved significantly over the years,encompassing various aspects.This paper explores the evolution of the role of university English instructors and examines the current challenges and opportunities they face in today’s educational landscape.It delves into the multifaceted nature of their responsibilities and discusses the importance of continuous professional development to meet the evolving needs of students and the demands of the profession. 展开更多
关键词 Teacher roles Professional development University English instructors
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Exploration of Teaching Development Strategies for Double-Qualified Teachers in University- Affiliated Hospitals Based on Role Conflict Theory
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作者 Yuanyuan Jia Yu Cai +2 位作者 Siqi Wang Ying Yang Ge Wu 《Journal of Contemporary Educational Research》 2024年第6期121-127,共7页
This study draws on the classic theories and research achievements of university teacher development,and from the perspective of role conflict in social psychology,proposes policy recommendations for the development o... This study draws on the classic theories and research achievements of university teacher development,and from the perspective of role conflict in social psychology,proposes policy recommendations for the development of clinical teachers in medical colleges,including following different stages of teacher development and designing teaching development strategies at different levels;designing the content and form of teaching development activities to meet the temporal and spatial needs of clinical teachers;and building an academic community for clinical teachers to promote the creation of teaching development behaviors. 展开更多
关键词 University-affiliated hospitals Double-qualified teachers role conflict theory Teaching development strategies
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Role-play联合翻转课堂教学法对护理实习生新生儿复苏知信行的影响
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作者 丁卉 李眉 +3 位作者 陈静 汪婕 蒋丽军 李霖 《临床医学研究与实践》 2024年第26期195-198,共4页
目的分析角色扮演(Role-play)联合翻转课堂教学法对护理实习生新生儿复苏知信行的影响。方法选取2022年10月1日至2023年8月1日在我院产科及儿科实习的80名本科段护理实习生进行前瞻性研究,将其随机分为试验组(采用Role-play联合翻转课... 目的分析角色扮演(Role-play)联合翻转课堂教学法对护理实习生新生儿复苏知信行的影响。方法选取2022年10月1日至2023年8月1日在我院产科及儿科实习的80名本科段护理实习生进行前瞻性研究,将其随机分为试验组(采用Role-play联合翻转课堂教学法进行新生儿复苏技能培训)和对照组(采用传统临床教学法进行新生儿复苏技能培训),各40名。比较两组的教学效果。结果试验组的理论知识、态度信念得分高于对照组,差异具有统计学意义(P<0.05)。试验组的复苏操作得分高于对照组,差异具有统计学意义(P<0.05)。试验组的灵活应变能力、资源利用能力及沟通协作能力得分均高于对照组,差异具有统计学意义(P<0.05)。试验组的教学满意度高于对照组,差异具有统计学意义(P<0.05)。结论Role-play联合翻转课堂教学法在护理实习生新生儿复苏教学中的效果优于传统临床教学法。 展开更多
关键词 role-play教学法 翻转课堂 护理实习生 新生儿复苏 知信行
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The Relationship between Mental Health Literacy and Subjective Well-Being of Young and Middle-Aged Residents: Perceived the Mediating Role of Social Support and Its Urban-Rural Differences 被引量:2
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作者 Zhen Zhang Suyan Chen +4 位作者 Xiaoxuan Wang Jun Liu Yilin Zhang Yongxia Mei Zhenxiang Zhang 《International Journal of Mental Health Promotion》 2023年第4期471-483,共13页
This study investigates mental health literacy among young and middle-aged urban and rural residents and the differences in mental health literacy,perceived social support and subjective well-being.From January to Feb... This study investigates mental health literacy among young and middle-aged urban and rural residents and the differences in mental health literacy,perceived social support and subjective well-being.From January to February 2022,620 participants(320 rural and 300 urban residents)from three provinces of China were selected by con-venience sampling.A general data questionnaire,mental health literacy scale,perceived social support scale and subjective well-being scale were administered.The mental health literacy scores of urban residents were 3.34±0.57 and those of rural residents were 2.73±0.79.The results of multiple regression analysis showed that the mental health literacy scores of rural residents were more significant than those of urban residents in terms of sex and age,while urban residents’mental health literacy scores were more significant than those of rural resi-dents in terms of monthly income.Mental health literacy,perceived social support and subjective well-being of young and middle-aged urban and rural residents were all positively correlated(P<0.01).While the level of mental health literacy is better among urban residents than rural residents,perceived social support plays a partial mediating role between mental health literacy and subjective well-being of both urban and rural residents,and should be the focus of researchers seeking to improve the level of well-being of residents. 展开更多
关键词 Young and middle-aged people mental health literacy perceived social support subjective well-being mediating role
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Role of non-Helicobacter pylori gastric Helicobacters in helicobacter pylori-negative gastric mucosa-associated lymphoid tissue lymphoma 被引量:2
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作者 Fabian Fellipe Bueno Lemos Marcel Silva Luz +2 位作者 Samuel Luca Rocha Pinheiro Kádima Nayara Teixeira Fabrício Freire de Melo 《World Journal of Gastroenterology》 SCIE CAS 2023年第32期4851-4859,共9页
Marginal zone lymphomas rank as the third most prevalent form of non-Hodgkin B-cell lymphoma,trailing behind diffuse large B-cell lymphoma and follicular lymphoma.Gastric mucosa-associated lymphoid tissue lymphoma(GML... Marginal zone lymphomas rank as the third most prevalent form of non-Hodgkin B-cell lymphoma,trailing behind diffuse large B-cell lymphoma and follicular lymphoma.Gastric mucosa-associated lymphoid tissue lymphoma(GML)is a low-grade B-cell neoplasia frequently correlated with Helicobacter pylori(H.pylori)-induced chronic gastritis.On the other hand,a specific subset of individuals diagnosed with GML does not exhibit H.pylori infection.In contrast to its H.pylori-positive counterpart,it was previously believed that H.pylori-negative GML was less likely to respond to antimicrobial therapy.Despite this,surprisingly,increasing evidence supports that a considerable proportion of patients with H.pylori-negative GML show complete histopathological remission after bacterial eradication therapy.Nonetheless,the precise mechanisms underlying this treatment responsiveness are not yet fully comprehended.In recent years,there has been growing interest in investigating the role of non-H.pylori gastric helicobacters(NHPHs)in the pathogenesis of H.pylori-negative GML.However,additional research is required to establish the causal relationship between NHPHs and GML.In this minireview,we examined the current understanding and proposed prospects on the involvement of NHPHs in H.pylori-negative GML,as well as their potential response to bacterial eradication therapy. 展开更多
关键词 LYMPHOMA B cell Marginal zone Gastric mucosa-associated lymphoid tissue lymphoma Helicobacter pylori Non-Helicobacter pylori gastric helicobacters Helicobacter heilmannii Helicobacter suis
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On the Reconstruction of Teachers’Role of Business English Reading Classroom Teaching Based on Literature Circle 被引量:1
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作者 HU Lijun 《Sino-US English Teaching》 2023年第3期90-96,共7页
Business English reading teaching under the mode of“literature circles”focuses on cultivating students’autonomy in reading,group cooperation,and the exchange of ideas among group members.In this teaching mode,teach... Business English reading teaching under the mode of“literature circles”focuses on cultivating students’autonomy in reading,group cooperation,and the exchange of ideas among group members.In this teaching mode,teachers are no longer the masters of the reading classroom,but the helpers,participants,and researchers in the process of students’reading.The reconstruction of teachers’role can promote the benign development of relationship not only between teachers and students,but also between students and students,inject new impetus and vitality into the classroom,and improve students’reading literacy. 展开更多
关键词 business English reading literature circles teacher’s role RECONSTRUCTION
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Role of preoperative magnetic resonance imaging on the surgical outcomes of radical prostatectomy:Does preoperative tumor recognition reduce the positive surgical margin in a specific location?Experience from a Thailand prostate cancer specialized center
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作者 Thitipat Hansomwong Pat Saksirisampant +6 位作者 Sudhir Isharwal Pubordee Aussavavirojekul Varat Woranisarakul Siros Jitpraphai Sunai Leewansangtong Tawatchai Taweemonkongsap Sittiporn Srinualnad 《Asian Journal of Urology》 CSCD 2023年第4期494-501,共8页
Objective Multiparametric magnetic resonance imaging(MRI)has become the standard of care for the diagnosis of prostate cancer patients.This study aimed to evaluate the influence of preoperative MRI on the positive sur... Objective Multiparametric magnetic resonance imaging(MRI)has become the standard of care for the diagnosis of prostate cancer patients.This study aimed to evaluate the influence of preoperative MRI on the positive surgical margin(PSM)rates.Methods We retrospectively reviewed 1070 prostate cancer patients treated with radical prostatectomy(RP)at Siriraj Hospital between January 2013 and September 2019.PSM rates were compared between those with and without preoperative MRI.PSM locations were analyzed.Results In total,322(30.1%)patients underwent MRI before RP.PSM most frequently occurred at the apex(33.2%),followed by posterior(13.5%),bladder neck(12.7%),anterior(10.7%),posterolateral(9.9%),and lateral(2.3%)positions.In preoperative MRI,PSM was significantly lowered at the posterior surface(9.0%vs.15.4%,p=0.01)and in the subgroup of urologists with less than 100 RP experiences(32%vs.51%,odds ratio=0.51,p<0.05).Blood loss was also significantly decreased when a preoperative image was obtained(200 mL vs.250 mL,p=0.02).Multivariate analysis revealed that only preoperative MRI status was associated with overall PSM and PSM at the prostatic apex.Neither the surgical approach,the neurovascular bundle sparing technique,nor the perioperative blood loss was associated with PSM.Conclusion MRI is associated with less overall PSM,PSM at apex,and blood loss during RP.Additionally,preoperative MRI has shown promise in lowering the PSM rate among urologists who are in the early stages of performing RP. 展开更多
关键词 Preoperative magnetic resonance imaging Prostate cancer Positive surgical margin Radical prostatectomy APEX Apical positive surgical margin
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Lagos State Hospital Waste Management Practices: A Descriptive Overview with Stakeholders’ Role and Key Recommendations
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作者 Maxwell Obubu Nkata Chuku +6 位作者 Alozie Ananaba Firdausi Umar Sadiq Sadiq Emmanuel Sambo Oluwatosin Kolade Tolulope Oyekanmi Kehinde Olaosebikan Oluwafemi Serrano 《Journal of Environmental Protection》 CAS 2023年第2期108-125,共18页
Background: Waste generation and its disposal is an essential issue in the sustainability of the environment and the planet’s future. Waste management is essential across sectors, likewise the health sector. Therefor... Background: Waste generation and its disposal is an essential issue in the sustainability of the environment and the planet’s future. Waste management is essential across sectors, likewise the health sector. Therefore, there is a need to employ extra care and attention to handling waste generated from healthcare facilities to avoid the dangers of poor biomedical waste management. We carried out this study to examine the waste management practice in healthcare facilities in Lagos State. Methods: The study was a descriptive survey carried out in one-thousand two hundred and fifty-six (1256) healthcare facilities in Lagos State. Nine hundred sixty-nine (969) of these facilities are located in urban areas, while two hundred and eighty-seven (287) are rural. The facilities studied are government/public health facilities (15.45%), private-for-profit facilities (82.88%), NGOs, Mission/Faith-Based medical facilities (1.67%). The data collected were analyzed using descriptive statistics. Specifically, we utilized bar charts, frequency, and percentage. Result: The result shows that 98.4% (1236) of the studied facilities are registered with the Lagos State Waste Management Authority (LAWMA), while 1.6% (20) are not registered. 98.5% (191) of the 194 government-owned facilities, 98.5% (1025) of the 1041 private-for-profit facilities, and 98.2% (20) of the 21 NGOs/faith-based health facilities are registered with Lagos State Waste Management Authority. The result also shows that 94% of the healthcare facilities studied in Lagos State use color-coded waste bags to segregate waste at the point of origin. 58.7% of the facilities use red-colored bags, 33.3% use yellow-colored bags, 10.7% use black-colored bags, and 1.3% use brown biohazard bags for segregating Infectious waste. Also, 34.2% of the health facilities in Lagos state use red-colored bags, 36.9% use yellow-colored bags, 11% use black-colored bags, and 4.1% use brown-colored bags to segregate their hazardous waste. Conclusion: Some healthcare facilities in Lagos State do not follow the recommended guidelines for medical waste segregation. Waste generated is not appropriately segregated at the point of origin into the recommended colored bags/bins in some facilities. Thus, a policy and procedure regulating healthcare waste are mandatory. It is important to regularly train healthcare workers on proper waste management practices and encourage staff to read and apply WHO rules in managing healthcare waste. Healthcare personnel should realize that hazardous material is a potential cause of a public disaster. 展开更多
关键词 Waste Generation Hospital Waste Management Stakeholder roles Healthcare Facilities Lagos State Lagos Waste Management Authority
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Enhancing the role of nurses in breastfeeding preterm infants
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作者 Yuan-Yuan Yang Jia-Yue Chen Hui-Juan Liu 《Frontiers of Nursing》 2023年第3期255-260,共6页
The provision of breast milk and breastfeeding is recommended for preterm infants.Multidisciplinary cooperation is required to promote breastfeeding.Nurses play impor tant roles in breastfeeding preterm infants.First,... The provision of breast milk and breastfeeding is recommended for preterm infants.Multidisciplinary cooperation is required to promote breastfeeding.Nurses play impor tant roles in breastfeeding preterm infants.First,nurses are strong advocates to help families be aware of the significance of breastfeeding.Second,nurses are educators providing technical and emotional support to pregnant and lying-in women.Third,nurses are coordinators in a multidisciplinary team.Nurses’unawareness of the impor tance of breastfeeding,knowledge deficit,and unsupportive lactation policy are barriers to breastfeeding promotion for preterm infants.It is therefore suggested that hospital administrators provide appropriate breastfeeding policies,set up posts,and ensure nurses’responsibilities in breastfeeding.Additionally,tailored training should be strengthened to improve nurses’knowledge and skills and thereby enable them to fully exer t their roles in the breastfeeding promotion of preterm infants. 展开更多
关键词 BREASTFEEDING nurses preterm infants REVIEW role
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Improved PBFT Consensus Algorithm Based on Node Role Division
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作者 Xiyu Ren Xiangrong Tong Wei Zhang 《Journal of Computer and Communications》 2023年第2期20-38,共19页
The PBFT (Practical Byzantine Fault Tolerance, PBFT) consensus algorithm, which addressed the issue of malicious nodes sending error messages to disrupt the system operation in distributed systems, was challenging to ... The PBFT (Practical Byzantine Fault Tolerance, PBFT) consensus algorithm, which addressed the issue of malicious nodes sending error messages to disrupt the system operation in distributed systems, was challenging to support massive network nodes, the common participation over all nodes in the consensus mechanism would lead to increased communication complexity, and the arbitrary selection of master nodes would also lead to inefficient consensus. This paper offered a PBFT consensus method (Role Division-based Practical Byzantine Fault Tolerance, RD-PBFT) to address the above problems based on node role division. First, the nodes in the system voted with each other to divide the high reputation group and low reputation group, and determined the starting reputation value of the nodes. Then, the mobile node in the group was divided into roles according to the high reputation value, and a total of three roles were divided into consensus node, backup node, and supervisory node to reduce the number of nodes involved in the consensus process and reduced the complexity of communication. In addition, an adaptive method was used to select the master nodes in the consensus process, and an integer value was introduced to ensure the unpredictability and equality of the master node selection. Experimentally, it was verified that the algorithm has lower communication complexity and better decentralization characteristics compared with the PBFT consensus algorithm, which improved the efficiency of consensus. 展开更多
关键词 Blockchain Consensus Algorithm Practical Byzantine Fault Tolerance Node role Division
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Qualia Role-Based Quantity Relation Extraction for Solving Algebra Story Problems
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作者 Bin He Hao Meng +2 位作者 Zhejin Zhang Rui Liu Ting Zhang 《Computer Modeling in Engineering & Sciences》 SCIE EI 2023年第7期403-419,共17页
A qualia role-based entity-dependency graph(EDG)is proposed to represent and extract quantity relations for solving algebra story problems stated in Chinese.Traditional neural solvers use end-to-end models to translat... A qualia role-based entity-dependency graph(EDG)is proposed to represent and extract quantity relations for solving algebra story problems stated in Chinese.Traditional neural solvers use end-to-end models to translate problem texts into math expressions,which lack quantity relation acquisition in sophisticated scenarios.To address the problem,the proposed method leverages EDG to represent quantity relations hidden in qualia roles of math objects.Algorithms were designed for EDG generation and quantity relation extraction for solving algebra story problems.Experimental result shows that the proposedmethod achieved an average accuracy of 82.2%on quantity relation extraction compared to 74.5%of baseline method.Another prompt learning result shows a 5%increase obtained in problem solving by injecting the extracted quantity relations into the baseline neural solvers. 展开更多
关键词 Quantity relation extraction algebra story problem solving qualia role entity dependency graph
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Role and Effects of Eucommia ulmoides Leaves in the Growth Process of Livestock and Poultry
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作者 Shijin GUO Ling LI +6 位作者 Xin LI Yi ZHANG Jianjun WANG Lei ZHAO Yanping WANG Lu GUO Shijun FU 《Agricultural Biotechnology》 CAS 2023年第5期43-45,共3页
Substitutes of feed antibiotics have been a key research topic in the new stage of animal husbandry.Chinese veterinary medicine refers to decoction pieces and their preparations processed from natural plants,animals,a... Substitutes of feed antibiotics have been a key research topic in the new stage of animal husbandry.Chinese veterinary medicine refers to decoction pieces and their preparations processed from natural plants,animals,and minerals and used for animal disease prevention and improvement of animal production performance under the guidance of Chinese veterinary pharmacy theory.Eucommia ulmoides leaf extract has many active functional components such as chlorogenic acid,E.ulmoides polysaccharides and flavonoids,which have many biological properties such as antibacterial,antioxidant,immune-regulation,sugar ester-and bone metabolism-regulation effects.This paper explored active ingredients and biological properties of E.ulmoides leaf extract,as well as its role and effects in livestock and poultry breeding,providing a scientific basis for the use of E.ulmoides leaves in livestock and poultry breeding. 展开更多
关键词 Eucommia ulmoides leaves Livestock and poultry farming role EFFICACY
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Impact of Strokes: The Burden of Care, Post-CVA Fatigue & Caregiver Role Strain
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作者 Tanya Schlemmer 《Open Journal of Nursing》 2023年第8期487-499,共13页
Strokes and cerebral vascular accidents (CVAs) and related disease events are an unfortunate circumstance that inflicts individuals around the world and impacts people every day as individuals and their caregivers. Th... Strokes and cerebral vascular accidents (CVAs) and related disease events are an unfortunate circumstance that inflicts individuals around the world and impacts people every day as individuals and their caregivers. The consequences of these strokes or CVA events are life-changing for all those involved. As a result of long-term disability related to strokes, the caregiver may undergo many emotional, psychological, and physical factors that impact their daily lives. There is a relatively short period of time to react to the necessary change and as a result there may be differences in coping associated with these unexpected health circumstances. Many stoke victims experience motor, cognitive, emotional, and psycho-social deficits and their caregivers may not be prepared for these abrupt life altering effects. The impact for caregivers, factors impacting strokes, and solutions for care will be addressed in the paper. Evidence suggests that post fatigue stroke (PFS) may be triggered by a dysfunction of the stress system. Family caregivers with a low level of social engagement may be more likely to perceived stress, and increased risk for caregiver role strain. 展开更多
关键词 STROKE Cerebral Vascular Accidents (CVA) Caregiver role Strain Chronic Fatigue Syndrome (CFS) Post-Stroke Fatigue (PSF)
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“一带一路”倡议下中国企业对外投资的增长路径 被引量:2
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作者 刘春艳 赵军 《国际商务研究》 CSSCI 北大核心 2024年第1期29-41,共13页
本文使用中国企业对外投资数据,将对外投资总量分解为集约边际与扩展边际,以“一带一路”倡议为准自然实验,解释了中国企业在沿线国家投资增长的路径。研究发现:集约边际和扩展边际均是“一带一路”倡议促进中国企业在沿线国家投资总量... 本文使用中国企业对外投资数据,将对外投资总量分解为集约边际与扩展边际,以“一带一路”倡议为准自然实验,解释了中国企业在沿线国家投资增长的路径。研究发现:集约边际和扩展边际均是“一带一路”倡议促进中国企业在沿线国家投资总量增长的路径;从投资方式看,跨国并购的集约边际增长强于绿地投资,扩展边际增长弱于绿地投资;从投资方向看,对顺梯度国家的投资二元边际增长具有显著正向作用,但对逆梯度国家作用相反;从行业类别看,交通与能源行业的对外投资二元边际增长的提高作用更优。机制检验表明,增强中国企业对外投资增长的稳定性应进一步提高“一带一路”倡议互联互通建设对扩展边际的促进作用。 展开更多
关键词 “一带一路”倡议 对外直接投资 集约边际 扩展边际 互联互通
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