Zobrazeno 1 - 10
of 44 641
pro vyhledávání: '"p p, cross section"'
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 12, Pp 241-246 (2024)
［Objective］In order to ensure train operation safety and passenger comfort, it is necessary to study the chang-ing laws of aerodynamic force and pressure inside the city railway train when passing through the variable cross-section positions in t
Externí odkaz:
https://doaj.org/article/cbd0fdaacd684528aafd637929ae73ad
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 12, Pp 5022-5027 (2024)
The cross-sections of natTi(p,x) reactions were measured up to 50 MeV by using off-line γ-ray spectrometry and stacked-foil activation technique. The activation experiment was conducted using 57 MeV proton beams from the proton accelerator at the Ko
Externí odkaz:
https://doaj.org/article/3db02eb53a6f4b14adb4d12f28bc7633
Publikováno v:
Alexandria Engineering Journal, Vol 108, Iss , Pp 626-639 (2024)
By integrating an established rock damage model into the LS-DYNA computer code and using a widely used method for equivalently simulating multiple blastholes detonation, the damage processes of surrounding rock with different properties under the ben
Externí odkaz:
https://doaj.org/article/c865b7e13f4248f4b523d3d551755010
Autor:
Weijia Zhang, Xuejing Cao, Xue Cheng, Tianfang Wei, Dongqin Sun, Zhaowei Wang, Nutapong Somjit, Calvin Choi, Shaomin Cai
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract This study aims to provide a non-contact detection of liquid composition inside containers using Microwave Radar Cross-section (RCS) measurement technology. Firstly, it analyzes the limitations of traditional near-infrared spectroscopy metho
Externí odkaz:
https://doaj.org/article/ef8c5f3f204d4a619792a12bbc9377e4
Publikováno v:
Liang you shipin ke-ji, Vol 32, Iss 6, Pp 189-195 (2024)
This study investigated the effects and evaluation indicators of air conditioning temperature control for summer storage of wheat in large flat storage silos. In the second and third years after wheat was stored in Silo No. 19 of Luliang Jituan Pingy
Externí odkaz:
https://doaj.org/article/92cddda1db5d4aab83a9b1d93ac8ce3f
Publikováno v:
Nuclear Energy and Technology, Vol 10, Iss 4, Pp 259-265 (2024)
In this study deuteron induced nuclear reaction on 20Ne target was studied to get nuclear information about 18F and 21Na radioisotopes which are widely used in medical and nuclear reactor technologies respectively. This nuclear reaction is important
Externí odkaz:
https://doaj.org/article/0930aeee7aa846379ff58aba23ca7d9d
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract This study proposes and experimentally validates a multifunctional, ultra-wideband polarization conversion metasurface. The design integrates polarization conversion and electromagnetic scattering functions into a single structure, enabling
Externí odkaz:
https://doaj.org/article/8cd046bae97d4f69b0bbdf9fe21c44f5
Autor:
Zhengting Liu, Xianchun Chen
Publikováno v:
BMC Public Health, Vol 24, Iss 1, Pp 1-11 (2024)
Abstract Background Elevating blood iron levels may increase the risk of hyperuricemia. However, the association between dietary iron intake and hyperuricemia remains unclear. This study examines the association between dietary iron and hyperuricemia
Externí odkaz:
https://doaj.org/article/fae0d189443f4c6e950b55ab1626f59e
Autor:
Sergei I. Tarasov, Natalya V. Gerling
Publikováno v:
Лесной журнал, Iss 5, Pp 51-63 (2024)
In ecological and physiological studies of plant cover, the predominant participation of leaves in the processes of photosynthesis, transpiration and respiration determines the key role of such a morphometric parameter as leaf surface area. The estim
Externí odkaz:
https://doaj.org/article/997b7dec4b724e92973b584208ded47c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract The study is based on a section of the Zhengzhou Metro Line 8 quasi-rectangular shield tunnel. Field excavation trials were conducted to analyze the surface settlement patterns caused by the construction of a large-section quasi-rectangular
Externí odkaz:
https://doaj.org/article/d3d16399cca34a3da3abc1421f6e0edf