|
|
|
|
|
Alexander Robitzsch
The local independence assumption is crucial for the consistent estimation of item parameters in item response theory models. This article explores a pairwise likelihood estimation approach for the two-parameter logistic (2PL) model that treats the local...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zi-Lu Ouyang, Zao-Jian Zou and Lu Zou
This paper aims to study the nonparametric modeling and control of ship steering motion. Firstly, the black box response model is derived based on the Nomoto model. Then, the establishment of a nonparametric response model and prediction of ship steering...
ver más
|
|
|
|
|
|
|
|
|
|
|
Serafino Afonso Rui Mucova, Ulisses Miranda Azeiteiro, Walter Leal Filho, Carina Lurdes Lopes, João Miguel Dias and Mário Jorge Pereira
Mean sea-level is expected to rise significantly by 2100 in all scenarios, including those compatible with the objectives of the Paris Climate Agreement. Global sea level rise projections indicate devastating implications for populations, ecosystem servi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sang-Eun Park and Sun-Gu Lee
Remote sensing technologies, particularly with Synthetic Aperture Radar (SAR) system, can provide timely and critical information to assess landslide distributions over large areas. Most space-borne SAR systems have been operating in different polarimetr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiayi Shen, Chang Ge, Yide Zhan, Zhaoyi Ye, Qiang Zhang and Jiawang Chen
Currently, p-y models have been broadly adopted for estimating the lateral bearing capacity of large-diameter monopiles in offshore engineering. However, the existing p-y curves cannot reflect the effect of pile diameter D on the lateral response of mono...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yulin Wang, Shan Gao, Youchun Xu and Fangyi Li
A numerical model of 84 high-strength concrete-filled square steel tubular columns (HSCFST) with local defects is developed using ABAQUS. The effects of parameters such as crack angle, crack length, impact surface and impact energy on the impact resistan...
ver más
|
|
|
|
|
|
|
|
|
|
|
Javier A. Barón-Miranda, Octavio Calzadilla, Liliana E. Arvizu-Rodríguez, Jose L. Fernández-Muñoz, Cesia Guarneros-Aguilar, Fabio Chale-Lara, Ulises Páramo-García and Felipe Caballero-Briones
The local electrical response in alkaline-doped CuInSe2 films prepared by single-step electrodeposition onto Cu substrates was studied by current-sensing atomic force microscopy. The CuInSe2 (CIS) films were prepared from single baths containing the dopa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ryo Sato, Yuki Shimizu, Hiraku Matsukuma and Wei Gao
This paper presents an intentional investigation of the effect of the object tilt angle on the tracking local minimum method (TL method), which is the one for detecting the measurement target position of the object optical axis, in a chromatic confocal p...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinwen Bai, Guorui Feng, Zehua Wang, Shangyong Wang, Tingye Qi and Pengfei Wang
Overlapped residual coal pillars, together with the surrounding rock strata, play a combined bearing role in ultra-close multiple seam mining. Global stability of the whole bearing system is significant for the mining design, construction, and operation....
ver más
|
|
|
|
|
|
|
|
|
|
|
Masyhur Irsyam,Donny T. Dangkua,Hendriyawan Hendriyawan,R. Bambang Boediono,Dyah Kusumastuti,Engkon K. Kertapati
Pág. pp. 70 - 81
This paper presents a site-specific seismic hazard study to determine the recommended seismic design criteria for Suramadu Bridge. The study is performed using probabilistic seismic hazard approach to determine maximum acceleration and response spectra a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hyeongmo Koo, Soyoung Lee, Jiyeong Lee and Daeheon Cho
Social distancing is an effective method for controlling the COVID-19 pandemic by decreasing population mobility, but it has also negatively affected local business sales. This paper explores the spatio-temporal impact of population mobility on local bus...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jaelan Usman,Muhammad Rusydi,Mahnoor Farooq
This study aims to explore the implementation of social assistance programs in improving the welfare of the poor affected by Covid-19 in Maros Regency. This is based on the consideration that the Family Hope Program is a conditional social assistance pro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sangil Kim, Sun Kyeong Choi, Seohyeon Van, Seong Taek Kim, Yun Hee Kang and Sang Rul Park
Intraspecific variation in morphology is widespread among seaweed species in different habitats. We examined the morphological variation in Sargassum thunbergii involving diverse environmental factors. We quantified 16 morphological characteristics on 15...
ver más
|
|
|
|
|
|
|
|
|
|
|
Igor Bondarenko, Oleg Avrunin
Pág. 106 - 112
The subject of the study in the article is to study the method of excitation of human body tissues using an electric current. The purpose of the work is to develop a method for exciting local current in a human body affecting the microcirculation of bloo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Minghong Jiang, Zhaoli Zheng, Yonghui Xie and Di Zhang
|
|
|
|
|
|
|
|
|
|
|
Kuo-Long Lee, Shih-Bin Chien, Wen-Fung Pan
Pág. 1 - 6
In this study, the response of local sharp-notched SUS304 stainless steel tubes with different notch depths of 0.2, 0.4, 0.6, 0.8 and 1.0 mm subjected to cyclic bending at different curvature-rates of 0.0035, 0.035 and 0.35 m-1s-1 were experimentally inv...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiangjian Xie, Xingguang Li, Zhaoliang Xing, Bowen Zhang, Weidong Bao and Junguo Zhang
With this bird audio enhancement method, the bird audio collected through the WASN (Wireless Acoustic Sensor Network) can be processed to produce better quality audio, which is more suitable for bird species identification based on the bird audio, then a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weidong Zhao, Bernt Johan Leira, Knut Vilhelm Høyland, Ekaterina Kim, Guoqing Feng and Huilong Ren
This paper presents a framework for structural analysis of icebreakers during ramming of first-year ice ridges. The framework links the ice-ridge load and the structural analysis based on the physical characteristics of ship?ice-ridge interactions. A shi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Edmund Robbins, Thu Thu Hlaing, Jonathan Webb and Nezamoddin N. Kachouie
Glaciers are important indictors of climate change as changes in glaciers physical features such as their area is in response to measurable evidence of fluctuating climate factors such as temperature, precipitation, and CO2. Although a general retreat of...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joshua Amuzu, Bubu P. Jallow, Amos T. Kabo-Bah and Sidat Yaffa
Global Climate Change is one of the dire challenges facing the international community today. Coastal zones are vulnerable to its impacts. An effective approach with long-term prospects in addressing climate change impacts is it?s mainstreaming into deve...
ver más
|
|
|
|
|
|