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pelt 9 논문 포스터 양식 국제무역론 영문이력서 PLLT frm 학회 논문 포스터 샤오미 마케팅 PPT 계량경제학

"Difference in Difference Model" 검색결과 401-420 / 4,123건

판매자 표지는 다운로드시 포함되지 않습니다.

제주도 성산유역의 저투수층 구조에 따른 지하수 흐름 분석 (Analysis on Groundwater Flow According to Low Permeable Layer Structure over Seongsan Watershed of Jeju Island)

watershed was set up as a no-flow and the modeling result showed the difference -0.26~0.62 m compared ... watershed was set up as a no-flow and the modeling result showed the difference -0.26~0.62 m compared to ... The depth of low permeable layer in Jeju Island was analyzed using the geologic columnar section

논문 | 11페이지 | 무료 | 등록일 2025.05.28 | 수정일 2025.06.04

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터보차저 터빈의 회전수 변화에 따른 유동해석 (A Study on The Flow Analysis in the Turbocharger Turbine with Different Rotational speeds)

three different rotating speed in the turbine. After measuring real design features, modeling ... and power are compared with three different cases in order to analyze the performance for turbine ... in the performance analysis for change rotating speed of turbocharger turbine with three different

논문 | 6페이지 | 무료 | 등록일 2025.05.27 | 수정일 2025.06.04

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호텔 경영형태별 조직문화의 식음료부문 조직유효성에 관한 연구 (The Effectiveness of the Organization Culture in F & B Department for Hotels by Operation Types)

This paper empirically examines the effect of cultural differences in F&B department of hotels by ... heterogeneous organizations in long-term period, it was affected by cultural differences between independent ... ificant differences of cultural factors in hotels by operation types, such as power distance

논문 | 28페이지 | 무료 | 등록일 2025.05.31 | 수정일 2025.06.05

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가상 3D 라이다 기반 객체 분류 딥러닝 학습 데이터셋 구축 방법에 관한 연구 (A Study on Methods for Constructing Deep Learning Training Datasets for Object Classification Using Virtual 3D Lidar Sensor)

were built in a virtual environment using 3D LiDAR sensor models and different object models. These ... datasets were used to train the simple CNN model developed in this study. The performance of the ... benchmark models, which in turn assured the validity of the training datasets in this study. The

논문 | 11페이지 | 무료 | 등록일 2025.05.25 | 수정일 2025.05.27

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시계열 데이터의 교차 검증을 활용한 융합적 모델 기반의 시계열 특징에 의한 코스피지수 예측 (Prediction of KOSPI Index by Time Series based on Convergence Model using Cross-Validation of Time Series Data)

linear combination of different models was confirmed. In particular, the ARIMA individual model showed ... onvergence and linear combination of two different models, simple average and weight estimation ... model. In this study, the superiority of time series element decomposition based on time series

논문 | 21페이지 | 무료 | 등록일 2025.05.30 | 수정일 2025.06.05

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오일펌프 내 내접기어 이 수 변화에 따른 성능 분석 연구 (A Study on The Performance Analysis with Different Numbers of Internal Gear Teeth in Oil Pump)

different numbers of teeth in the inner gear. After measuring real design features, modeling ... of teeth of internal gear oil pump with three different numbers of teeth in the inner gear. After ... efficiencies are compared with three different cases in order to analyze the performance for inner

논문 | 6페이지 | 무료 | 등록일 2025.05.27 | 수정일 2025.06.04

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셀 기반 유한 차분법을 이용한 효율적인 3차원 음향파 파동 전파 모델링 (Efficient 3D Acoustic Wave Propagation Modeling using a Cell-based Finite Difference Method)

었다. In this paper, we studied efficient modeling strategies when we simulate the 3D time-domain acoustic ... -based finite difference method compared to the standard finite different method. In this study, we used ... wave propagation using a cell-based finite difference method which can handle the variations of

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

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Estimation of Dynamic Demand with Heterogeneous Consumers under Network Effects (Estimation of Dynamic Demand with Heterogeneous Consumers under Network Effects)

presence of indirect network effects. I develop a structural model in which consumers with different ... indirect network effects. I develop a structural model in which consumers with different tastes dynamically ... The object of this paper is to estimate a dynamic demand model with heterogeneous consumers in the

논문 | 38페이지 | 무료 | 등록일 2025.05.25 | 수정일 2025.05.27

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온실가스 배출권거래제(ETS)의 탄소 감축 효과: 반도체·디스플레이·전자산업을 중심으로 (CO2 Reduction’s Effect of Greenhouse Gas Emission Trading System(ETS))

한국정부학회 신창훈, 김종석, 강은숙

논문 | 20페이지 | 무료 | 등록일 2025.05.07 | 수정일 2025.05.17

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IBCT에 기반한 커플관계 다름 수용 척도 개발 및 타당화 (Development and Validation of the Acceptance for Differences in Couple Relationships Scale based on IBCT)

-report scale to measure attitudes toward accepting differences in couple relationships. The Integrative ... Behavioral Couple Therapy (IBCT; Jacobson & Christensen, 1996) was used as a theoretical model in the ... Differences in Couple Relationships Scale (ADCRS), and 75 preliminary items were developed based on existing

논문 | 34페이지 | 무료 | 등록일 2025.05.28 | 수정일 2025.06.04

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국민 식생활과 건강 수준에 관한 연구-변비 질환의 원인 분석- (A Study on Dietary Life and Health Level of Korean)

lalonde health field model. This study model adopted four categories, which were human biology, s ... used. To data were analyzed by frequency, t-test, ANOVA using PASW statistics 18.0.In the factors ... ificant difference, social environment category were location and job showed statistically significant

논문 | 17페이지 | 무료 | 등록일 2025.05.31 | 수정일 2025.06.05

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성능 예측 상관식에 따른 쉐브론 형태 판형 열교환기 성능 특성 비교 (Comparison of Performance Characteristics in the Chevron Type Plate Heat Exchanger with Performance Correlation)

apacity difference was less than 2%. Besides, the pressure drop of Marin correlation model showed a s ... difference was less than 2%. Besides, the pressure drop of Marin correlation model showed a similar ... The performance of a plate heat exchanger for using liquid solution in the absorption chiller

논문 | 8페이지 | 무료 | 등록일 2025.05.29 | 수정일 2025.06.04

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Commuting Mode Choices of New Towns and Mini New Towns in the Seoul Metropolitan Area - Seongnam and Goyang City with Bundang and Ilsan New Towns - (Commuting Mode Choices of New Towns and Mini New Towns in the Seoul Metropolitan Area - Seongnam and Goyang City with Bundang and Ilsan New Towns -)

Travel Data Surveys (OD data) in 2002 and 2010 were adopted in a binary logistic model to explain c ... ommuters’ modes choices in the two cities. The research results showed statistically different ... implications for the commuters’ mode choices by different developments types in the suburban areas of the

논문 | 26페이지 | 무료 | 등록일 2025.05.30 | 수정일 2025.06.05

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진동수주형 파력발전장치의 챔버 및 터빈 내 유동해석을 위한 실시간 물리적 모델 구현에 관한 연구 (A STUDY ON THE REAL-TIME PHYSICAL MODEL IMPLEMENTATION FOR THE FLOW ANALYSYS IN THE CHAMBER AND TURBINE OF OWC TYPE WAVE POWER GENERATOR)

This study was carried out to implement real-time physical model for the flow analysis in the ... pressure difference between the air chamber and the outside atmosphere. A digital twin model is required ... real model by predicting the phenomenon in real time after N seconds based on the physical model and

논문 | 9페이지 | 무료 | 등록일 2025.06.01 | 수정일 2025.06.05

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성인 자원자에서 생리식염수와 하트만씨 용액의 수분공간모형 비교 (Comparison of Fluid Kinetic Model of Normal Saline with Hartmann's Solution in Adult Volunteers)

no significant differences in distribution and elimination fromthe body. But each solution has ... normal saline on initialperiod.Conclusions: There were no significant differences in fluid ... mathematical models. Crystalloids with similar osmolality would reveal no significant differences

논문 | 8페이지 | 무료 | 등록일 2025.06.03 | 수정일 2025.06.06

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소비자의 부적절한 불평행동에 대한 소비자와 사업자의 인식 차이 연구 : 개인적 요인, 사회적 요인 (Difference between Consumers’ and Front-line Workers’ Perceptions on Consumer Complaint Behavior with Hateful Intentions: Based on the Personal and Social Factor)

This study analyzes difference in consumers’ and front-line workers’ perceptions on ‘consumer c ... omplaint behavior with hateful intentions’ though the Co-orientation Model in three dimensions. In ... service contact point by finding factors that affect the difference in perception between two

논문 | 18페이지 | 무료 | 등록일 2025.05.26 | 수정일 2025.05.27

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2방정식 난류모델을 이용한 축소 APR+ 내부 유동분포 수치해석 (Numerical Analysis of Flow Distribution in the Scaled-down APR+ Using Two-Equation Turbulence Models)

Reynolds-Averaged Navier-Stokes (RANS)-based two-equation turbulence models in the analysis of flow ... turbulence models. In addition, the prediction accuracy of k-ε model was superior to that of other two ... of Reynolds-Averaged Navier-Stokes (RANS)-based two-equation turbulence models in the analysis of

논문 | 8페이지 | 무료 | 등록일 2025.05.31 | 수정일 2025.06.05

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4, 5세 유아의 선 형태 및 공간차원에 따른 그리기 세부묘사 발달 (The Development of Detailed Description of Drawing according to the Shapes of Lines and Dimension of Space from 4 to 5 Years-old Children)

than 4 year-olds in the detailed description of 4 different house models. Second, the houses with s ... . Participants were 76 children from a daycare center in Busan, Korea. Each child was asked to draw 4 different ... -olds scored significantly higher than 4 year-olds in the detailed description of 4 different house

논문 | 8페이지 | 무료 | 등록일 2025.05.25 | 수정일 2025.05.27

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축류홴과 쉬라우드의 유량 및 내부 유동 특성 (Flow characteristics of axial fan with shroud)

different positions of a rotor in a duct are proposed for plausible models of a rotor inside a duct ... . The optimum axial position of an impeller in a duct is found at the #4 model where the impeller lies ... predictions with parallel work by experimental validation. Several different positions of a rotor in a duct

논문 | 7페이지 | 무료 | 등록일 2025.05.29 | 수정일 2025.06.05

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Vibration Analysis of Gearbox for Agricultural UTV using a Reduced-Order Model (Vibration Analysis of Gearbox for Agricultural UTV using a Reduced-Order Model)

different number of dominant sub-structural modes contained in the reduced-order models. Through ... In this study, a model reduction technique was used to develop a precise noise and vibration ... the operating conditions should be selected to construct an optimal reduced-order model. In this s

논문 | 10페이지 | 무료 | 등록일 2025.05.30 | 수정일 2025.06.05

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