Zobrazeno 1 - 10
of 805
pro vyhledávání: '"Dong Joo Kim"'
Autor:
Sukmin Kwon, Sugyu Lee, Hyunuk Kang, Min Kyoung Kim, Sungwun Her, Sungchul Bae, Dong Joo Kim, Juhyuk Moon
Publikováno v:
International Journal of Concrete Structures and Materials, Vol 18, Iss 1, Pp 1-16 (2024)
Abstract Although concrete materials generally exhibit outstanding mechanical properties, it is susceptible against crack formation. It has been reported that narrow cracks (≤ 150 µm) could be naturally sealed in the cement matrix by externally su
Externí odkaz:
https://doaj.org/article/c60bc8ee3de84414ac10cf6002602454
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03719- (2024)
This study investigated the multi-fiber pullout resistance of high-strength smooth steel fibers embedded in ultra-high-performance concrete (UHPC) at different loading rates. To discover the source of the fiber group effect on fiber pullout resistanc
Externí odkaz:
https://doaj.org/article/5974ce48946a4df0a18034ee047b19ca
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03285- (2024)
A comprehensive study was conducted to predict the elastic modulus and Poisson ratio of hardened cement pastes (HCPs), including numerical work, comparison of two modelling approaches, and experimental validation. Modelling approach 1 (M1) applied a
Externí odkaz:
https://doaj.org/article/da356d62a16046658096fe755b45d1a2
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03116- (2024)
The self-stress sensing response of smart ultra-high-performance concrete (S-UHPC) under high cyclic compressive stress was investigated at different temperatures between 15 °C and 35 °C as a basic study for understanding the effects of temperature
Externí odkaz:
https://doaj.org/article/96e6c791ba834ef9b077df661b0558e0
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29666- (2024)
Additive manufacturing technology has advanced beyond creating optimized features, from strengthening materials to make them lightweight to fabricating multi-material combinations that offer functionalities beyond the capabilities of individual mater
Externí odkaz:
https://doaj.org/article/6cfd9607e0114d968a05c3e9f0a7d051
Publikováno v:
Case Studies in Construction Materials, Vol 19, Iss , Pp e02612- (2023)
In this study, three-dimensional simulations of cement hydration are conducted to investigate the effect of nano-CaCO3 (NC) agglomeration on the hydration process and microstructural evolution of cement pastes (CPs). Few experimental studies have rep
Externí odkaz:
https://doaj.org/article/433ebdb983554f4788d39b36a3432f92
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01909- (2023)
This study investigated the hydration of nano-silica-incorporated cement paste using multiphase voxels in the developed CEMHYD3D model. Multiphase voxels were firstly proposed to be able to consider the effects of nano particles on cement hydration p
Externí odkaz:
https://doaj.org/article/4376c6a3a0ae465bb4df8314ebc3d3e4
A Case for Doxycycline as an Effective Treatment for Confluent and Reticulated Papillomatosis (CARP)
Publikováno v:
Case Reports in Dermatological Medicine, Vol 2023 (2023)
Confluent and reticulated papillomatosis (CARP) is a rare keratinization disorder that presents with asymptomatic, reticulated papules coalescing into plaques, which adversely affect, most often, young black persons. Minocycline is considered the dru
Externí odkaz:
https://doaj.org/article/5e6709c5d130445bb7b1374fe49a6ef5
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 5554-5568 (2021)
In this work, effect of sample size on mechanical properties in the net-shaped 316 L alloys produced by laser powder bed fusion (LPBF) was studied. Tensile specimens with four different geometries, having the same total cross-sectional areas but with
Externí odkaz:
https://doaj.org/article/d6f0290107c64ebab15a2512d1db4b1b
Autor:
Dong Joo Kim, MD, Sam Van Truong, MD, Aimee Paik, MD, Christina Kraus, MD, Ronald M. Harris, MD, Ronald J. Barr, MD, Kenneth G. Linden, MD, PhD, Janellen Smith, MD
Publikováno v:
JAAD Case Reports, Vol 16, Iss , Pp 144-148 (2021)
Externí odkaz:
https://doaj.org/article/466ae35b18914c39ac72aa351f3aec2d