Zobrazeno 1 - 10
of 755
pro vyhledávání: '"Sang-Il Kim"'
Publikováno v:
Advanced Electronic Materials, Vol 10, Iss 7, Pp n/a-n/a (2024)
Abstract Half‐Heusler compounds are promising materials for thermoelectric applications due to their high zT at elevated temperatures. However, their intrinsic high thermal conductivity limits their efficiency. Doping with Hf or Zr can improve the
Externí odkaz:
https://doaj.org/article/c9776f54ef5c4a2aaa5f5f075ee7270a
Autor:
Se-Jun Park, Jin Ho Kim, Yong Chan Ahn, Woong Sub Koom, Hwa Kyung Byun, Young-Hoon Kim, Sang-Il Kim, Dong-Ho Kang, on behalf of the Korean Society of Spinal Tumor
Publikováno v:
Cancers, Vol 16, Iss 14, p 2554 (2024)
Background: One important determinant in choosing a treatment modality is spinal instability. Clear management guidelines are suggested for stable and unstable spinal metastatic lesions, but lesions in the intermediate instability category (SINS [spi
Externí odkaz:
https://doaj.org/article/990fb66eef6047888c0ac9d052cc09b0
Autor:
Young-Hoon Kim, Kee-Yong Ha, Hyun W. Bae, Hyung-Youl Park, Young-Il Ko, Myung-Sup Ko, Sang-Il Kim
Publikováno v:
Medicina, Vol 60, Iss 6, p 946 (2024)
Background: Teriparatide is an anabolic agent for osteoporosis and is believed to improve the bone healing process. Previous studies showed that teriparatide could enhance not only fracture healing but also spine fusion. It has been reported that use
Externí odkaz:
https://doaj.org/article/e370cefae358440f992f978036350b44
Autor:
Hwa Kyung Byun, Woong Sub Koom, Se-Jun Park, Sang-Il Kim, Jin Ho Kim, Young-Hoon Kim, Bong-Soon Chang, Yong Chan Ahn
Publikováno v:
Frontiers in Neurology, Vol 14 (2024)
PurposeTo understand the current practice of radiation oncologists (ROs) and orthopedic surgeons (OSs) regarding spine metastasis.MethodsIn 2022, an internet-based survey was conducted for ROs and OSs who treat spinal metastasis in Korea. Respondents
Externí odkaz:
https://doaj.org/article/2de389ad637f4f3e9e358db4bd3d81ae
Autor:
Jeong-Yeon Kim, Gyo-Hee Hong, Se Yun Kim, Seong-Mee Hwang, Weon Ho Shin, Won-Seon Seo, Sang-il Kim, Hyun-Sik Kim
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 3, Pp 395-405 (2023)
ABSTRACTMultilayer ceramic capacitors (MLCCs) for electric vehicles require their room temperature capacitance to change ≤ ±15% at −55°C to 200°C. The dielectric constant (ε) of BaTiO3, a dielectric material widely used in MLCCs, drops at >12
Externí odkaz:
https://doaj.org/article/cb31572c7c144a35a31b799307adddba
Publikováno v:
Ceramics, Vol 6, Iss 1, Pp 504-513 (2023)
Recent studies have revealed the outstanding thermoelectric performance of Bi-doped n-type SnSe. In this regard, we analyzed the band parameters for Sn1−xBixSe (x = 0.00, 0.02, 0.04, and 0.06) using simple equations and the Single Parabolic Band mo
Externí odkaz:
https://doaj.org/article/7bc58ec9a71c435fb342fa13181a835f
Publikováno v:
Ceramics, Vol 6, Iss 1, Pp 538-547 (2023)
Control of bipolar conduction is essential to improve the high-temperature thermoelectric performance of materials for power generation applications. Recently, Hf(Te1−xSex)2 alloys have gained much attention due to their potential use in thermoelec
Externí odkaz:
https://doaj.org/article/d3b020a2412144e680607de302cbac26
Publikováno v:
IEEE Access, Vol 11, Pp 17233-17240 (2023)
A current measurement offset error compensation method for surface-mounted permanent magnet synchronous motor (SPMSM) drives that shows stable operating characteristics under the saturation of the current controller is proposed. For this purpose, an
Externí odkaz:
https://doaj.org/article/fdd44720fc70432597f7fa5e2ad31fb5
Autor:
Jeong-Yeon Kim, Jong-Chan Lim, Sang-il Kim, Seong-Mee Hwang, Weon-Ho Shin, Heesun Yang, Kyu Hyoung Lee, Hyun-Sik Kim
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 1, Pp 188-196 (2023)
ABSTRACTThe effects of varying calcination temperature, K content, and the number of calcination steps in the dielectric performance of KCa2Nb3O10 synthesized via solid-state reaction are investigated. Adding an extra calcination step at 500°C follo
Externí odkaz:
https://doaj.org/article/e04445622d0e4c2c99c576c3f97a7f66
Publikováno v:
Journal of Asian Ceramic Societies, Vol 11, Iss 1, Pp 11-17 (2023)
ABSTRACTCalcium phosphate ceramics have been studied as promising materials for biomaterial applications owing to their excellent biocompatibility and osteoconductivity. Herein, we investigated the influence of different mass ratios of hydroxyapatite
Externí odkaz:
https://doaj.org/article/52fa6f67b9314de9beca9af9f3112182