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Improved Pneumoconiosis Prevention: Surfactant-Added Spray System for Respirable Coal Dust (Improved Pneumoconiosis Prevention: Surfactant-Added Spray System for Respirable Coal Dust)

tuberculosis. Poor atmospheric working conditions in unhealthy coal mines can worsen the condition ... . Korea Coal Corporation provided coal dust samples for a scaled spraying model test. Chemical c ... onsideration. A standard sink test was performed with four different surfactants at six different c

논문 | 10페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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연직혼합모수화가 동해 상층 모사에 미치는 영향 (Effect of Vertical Mixing Scheme on Upper Ocean Simulation of the East Sea)

imulated from L scheme is rather large compared to that from other schemes, but the differences in ... other schemes, but the differences in MLD during summer are not significant. 한국군사과학기술학회 한국군사과학기술학회지 장찬주, 임세한 ... This study investigates effects of three different parameterizations of vertical mixing scheme on

논문 | 9페이지 | 무료 | 등록일 2025.06.03 | 수정일 2025.06.06

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호우 방향성에 의한 순간단위도 특성 변화 (Effects on Characteristics of Instantaneous Unit Hydrograph by Rainfall Direction)

유역 반응함수의 비선형성을 고려함으로써 유출모의의 불확실성을 줄이는데 기여할 수 것으로 기대된다. This study examined the difference in the c ... hydrograph was compared with GIUH model. As a result, it was found that effects on IUH by rainfall ... direction were significant. These differences increased according to the moving velocity of rainfall

논문 | 10페이지 | 무료 | 등록일 2025.05.27 | 수정일 2025.06.04

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왜 SNS에서 정치 양극화가 지속되는가? - 의사소통 대상, SNS 정보 신뢰도, 타인 신뢰도를 중심으로 (Why does the political polarization continue in SNS? - Focusing on the subject of the communication, the reliability of the information in the types of SNS and the trust of other people -)

trust of other people’ variable was not statistically significant in all models. These results mean ... that the level of the political polarization has the difference in depending on the types of SNS ... 있기 때문이다. The purpose of this study is to analyze why the political polarization continues in SNS. It

논문 | 18페이지 | 무료 | 등록일 2025.06.14 | 수정일 2025.06.17

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월드컵 스폰서십 참여 기업에 대한 사회공헌도, 기업이미지, 충성도, 구매의도간의 관계 연구: 잠재평균과 다집단분석 (A Study on the Relationship among Corporate Philanthropy, Image, Royalty, Intention to Purchase about Fifa World-cup Official Sponsor: Latent Mean and Multi-Group Analysis)

corporate participating in sports events by identifying the difference inperception of male and ... 18.0 Theresults of this study were as follow: First, there was a difference in corporate image and ... ommunication strategies becausethere is a difference in recognition by gender. 한국체육학회 한국체육학회지 정영렬, 김진국

논문 | 13페이지 | 무료 | 등록일 2025.06.02 | 수정일 2025.06.05

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기계학습 모형을 이용한 COVID-19 시기 KBO리그 관중 수 예측 연구 (A Study on the Prediction of the Number of Spectators in the KBO League during COVID-19 Using Machine Learning Models)

ituation, the difference in the number of spectators was confirmed according to the region, year, and ... to the quarantine rules had a significant difference in the 2020 season, but in the 2021 season ... XGBoost model to predict changes in the number of spectators, it was confirmed that XGBoost performed

논문 | 14페이지 | 무료 | 등록일 2025.05.28 | 수정일 2025.06.04

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탈신경과 무용 후 흰쥐 골격근의 근위축에서 세포자멸사 관련인자의 변화 (Changes of Apoptosis Related Factors in Atrophic Rat Skeletal Muscles after Denervation and Disuse)

-Dawley rats, 8 weeks of age were treated with three different atrophy models (10 rats in each group ... models (10 rats in each group); hind-limbs suspension (HS) as a disuse model, complete denervation by sc ... Objective: To investigate the changes of apoptosis related factors after denervation and disuse in

논문 | 6페이지 | 무료 | 등록일 2025.05.25 | 수정일 2025.05.27

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베이지안 칼만 필터 기법의 훈련 기간에 따른 풍력 자원 예측 정확도 향상성 연구 (A Study of Improvement of a Prediction Accuracy about Wind Resources based on Training Period of Bayesian Kalman Filter Technique)

wind resources is an important factor in evaluating the economic feasibility of a wind power plant ... . As a method of improving the predictability, a Bayesian Kalman filter is applied as the model data ... between estimated model and observation data for several Kalman training periods. This study was

논문 | 13페이지 | 무료 | 등록일 2025.06.04 | 수정일 2025.06.09

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대학 실시간 온라인 수업유형에 따른 수업만족도와 학습실재감에 대한 상호작용 분석 (Interaction Analysis between learning method and course division on learning satisfaction and learning presence in the synchronous universities online class)

was conducted to analyze the differences in learning satisfaction between he learning method and c ... ourse division, and a multivariate analysis(MANOVA) was conducted to analyze the differences in the ... division was found to be no significant difference, and there were significant differences only in the

논문 | 17페이지 | 무료 | 등록일 2025.06.01 | 수정일 2025.06.05

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카드뮴 반응용량 곡선에서의 기준용량 평가를 위한 베이지안 분석연구 (Bayesian Analysis of Dose-Effect Relationship of Cadmium for Benchmark Dose Evaluation)

를 더 잘 설명하는 모형을 선택하는 베이지안 모형 선택을 고려하였고, 이를 실제 자료에 적용해본다. In this paper, we consider a Bayesian ... , two dose-response curves commonly used in the toxicity study are fitted based on Bayesian methods to ... -analysis and hierarchical modeling build an overall dose-effect relationship that use a piecewise

논문 | 18페이지 | 무료 | 등록일 2025.06.04 | 수정일 2025.06.09

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淫羊藿이 실험적으로 유발된 갑상선 기능저하증 동물모델에 미치는 영향과 안전성 (The Effects of Epimedii Herba on a Hypothyroidism Rat Model induced by PTU(6-Propyl, 2-thiouracil).)

increased(p ... the control group. And no significant differences were observed in biochemical labs and weight ... significant difference in TSH between the Epimedii Herba treatment group and the control group. And no

논문 | 10페이지 | 무료 | 등록일 2025.06.07 | 수정일 2025.06.10

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단일 상급종합병원에서 다학제 심부전 집단 교육이 심부전 환자의 재입원에 미치는 영향 평가 (Effect of Multidisciplinary Group Education on Re-Admission of Patients with Heart failure in a Tertiary Hospital)

no significant difference in the risk of all-cause re-admission between the two groups. Moreover, the ... was no significant difference in the risk of all-cause re-admission between the two groups. Moreover ... between multidisciplinary group education and read mission in patients with HF was evaluated using

논문 | 14페이지 | 무료 | 등록일 2025.06.01 | 수정일 2025.06.05

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신체활동이 대학생의 웰니스에 미치는 영향 (The Effects of Physical Activity on Wellness in University Students)

physical activity was shown according to the college type; second, significant difference in ... was shown according to the college type; second, significant difference in wellnessinventory was shown ... The purpose of the study is to identify the effects of physical activity on wellness in university

논문 | 10페이지 | 무료 | 등록일 2025.05.22 | 수정일 2025.05.26

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셀룰라 오토마타를 이용한 개발제한구역의 효과 분석 (Analyzing the Effect of Greenbelt on Urban Growth and Environmental Pollution by Cellular Automata Method)

There has been an increasing concentration of population in the Seoul Metropolitan Area (SMA) since ... the 1960s. As a result, approximately 50% of the country’s total population currently resides in ... the SMA. Such a high density of the population has resulted in urban sprawl, which in turn has led to

논문 | 16페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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Adaptability And Adaptive Performance (Adaptability And Adaptive Performance)

Over the past few decades, in response to rapid changing technological, social, political, and ... employees to maximize flexibility and efficiency in these changing and varied environments. However ... , there have been no clear definitions of adaptability presented in the psychological literature, and is

논문 | 16페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.26

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A Three-Stage DEA-Based Efficiency Evaluation of Broiler Breeding in China (A Three-Stage DEA-Based Efficiency Evaluation of Broiler Breeding in China)

envelopment analysis (DEA) model estimated the production efficiency of broiler breeding in 13 ... international competitiveness in China. The three-stage data envelopment analysis (DEA) model estimated the ... Broiler chickens are one of the essential meats for residents in China. To analyze and improve the

논문 | 10페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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What Determines Cultural Expenditures in Local Chinese Governments in Liaoning? (What Determines Cultural Expenditures in Local Chinese Governments in Liaoning?)

political influences on expenditures. These factors appear to work differently in China due to the single ... . These factors appear to work differently in China due to the single party and therefore this study ... Liaoning Province in China has shown growing policy variety emerging from city governments formerly

논문 | 14페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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세장체의 파랑중 거동에 대한 실험에 관한 고찰 (Study on Behavior of Slender Bodies in Waves)

order to solve these problems, we performed model tests in a 2‐D wave basin using flexible slender ... , in order to solve these problems, we performed model tests in a 2‐D wave basin using flexible s ... tructures and flexible marine structures are preferred. In particular, slender bodies such as risers and

논문 | 7페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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5세 언어능력과 7세 외현화 문제행동의 관계: 성별 차이 및 자기통제의종단적 매개효과 검증 (Preschool Language and First-Grade Externalizing Behaviors: Gender Differences and the Longitudinal Mediation Through Self-Control)

behavior problems in transition to school. Given a general pattern of gender differences previously ... model in which preschool language is linked to later behavior problems via the development of self ... behavior problems in transition to school. Given a general pattern of gender differences previously found

논문 | 12페이지 | 무료 | 등록일 2025.05.24 | 수정일 2025.05.27

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주기관 쟈케트냉각수 온도를 위한 피드포워드 제어시스템의 구성과 분석 (Configuration and Analysis of a Feed-forward Control System for Jacket Cooling Water Temperature of Marine Prime Diesel Engine)

ondition. Two dead times in the modelling were described, considering pipe length between the actuator and ... ould arise from variation of engine load or weather condition. Two dead times in the modelling were ... Keeping cooling water temperature higher within the allowable range helps marine engines to run in

논문 | 6페이지 | 무료 | 등록일 2025.05.28 | 수정일 2025.06.04

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