Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Yong Bong Lee"'
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 32:458-463
Publikováno v:
BioInvasions Record; Mar2024, Vol. 13 Issue 1, p9-16, 8p
Publikováno v:
Journal of Asia-Pacific Entomology. 24:402-408
A new species of Eumerus from South Korea, Eumerus platycodon Choi and Hong sp. nov., is described. The new species discovered from roots of Platycodon grandiflorum (balloon flower) and Adenophora triphylla var. japonica belonging to the family Campa
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 30:105-111
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 29:114-119
Autor:
Ho-Yeon Han, Yong-Bong Lee
Publikováno v:
Journal of Asia-Pacific Entomology. 20:1278-1286
The bee fly genera Bombylius and Bombylella in Korea are taxonomically reviewed. They are among the most commonly encountered flower visiting pollinators that appear mimicking bumblebees. As a result of our investigation of these two closely related
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 18:1075-1083
Master meter method is an efficient way to calibrate flow meters with less time and costs. The master meter method has simpler flow configuration than the gravimetric flow measurement method requires. Maintenance efforts of the master meter method ar
Autor:
Yong-Bong Lee, Jeong-Ho Kim
Publikováno v:
Journal of IKEEE. 19:295-303
Considering to Energy Storage System (ESS) is a global trend In order to reduce global warming and carbon emissions. South Korea has announced various policies to vitalize the development and uptake of renewable energy. South Korea is planning the cu
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 15:2493-2497
Loss factor and Young’s modulus are the fundamental mechanical properties of the materials used in vibration control. In conventional method, in order to determine the both quantities, an electromagnetic device was generally used to excite ferrous
Publikováno v:
Journal of the Korean Physical Society. 65:1024-1027
A laser beam reflection method was newly proposed to measure the loss factor and the Young’s modulus of materials. The loss factor and the Young’s modulus of a structural steel measured by using the proposed method were 0.0024 GPa and 197 GPa, re