Zobrazeno 1 - 10
of 154 912
pro vyhledávání: '"calculation"'
Autor:
Achim Langenbucher, Peter Hoffmann, Alan Cayless, Damien Gatinel, Guillaume Debellemanière, Jascha Wendelstein, Nóra Szentmáry
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 34, Iss 4, Pp 620-631 (2024)
Background: In recent years, some lens manufacturers have committed to providing lens shape data for some of their lens models. The purpose of this study is to present a strategy for prediction of intraocular lens power and residual refraction based
Externí odkaz:
https://doaj.org/article/1d06a44b33d6409791bd29b76cb0df58
Autor:
YU Wenchang, DING Yang, WANG Xuyang, CHEN Yonggang, BI Ke, LIU Zhigang, SHANGGUAN Xingang, HUANG Daohuo, XIAO Feng, LI Guang, WANG Guang, KE Hanzhang, SUN Yasong, WANG Xin
Publikováno v:
发电技术, Vol 45, Iss 5, Pp 838-846 (2024)
ObjectivesThe localization of core components of heavy-duty gas turbines holds significant importance for technological innovation, industrial upgrading, and even national security. As a typical hot-end component of heavy-duty gas turbines, the perfo
Externí odkaz:
https://doaj.org/article/f8561a70638a4317b8cc98ed58101809
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 116-122 (2024)
To address the difficulty in convergence encountered in power flow calculations of integrated electricity-gas energy systems using the traditional Newton-Raphson method for state evaluation and safety checks， this paper proposes a power flow calcul
Externí odkaz:
https://doaj.org/article/52dbb4a436d94b7c8d7026bd5126278f
Publikováno v:
Zhejiang dianli, Vol 43, Iss 11, Pp 47-56 (2024)
The VSC-HVDC transmission systems are the typical solution for integrating far offshore wind power. Using diode rectifier units （DRUs） at the rectifier stations can further enhance the system’s economic efficiency and reliability. Therefore，
Externí odkaz:
https://doaj.org/article/4d636dbf916846c396fbdc09f6a9e1d4
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5092-5104 (2024)
Abstract With the continuous development of deep oil and gas resources, the number of high‐temperature and high‐pressure wells is increasing, and the complexity of fracturing operations is becoming more pronounced. The safe conduct of fracturing
Externí odkaz:
https://doaj.org/article/1617f0bc226e4777a84460f70d52b112
Autor:
Zheng Anmin, Fan Xuanyu, Huang Zengxin, Mao Wangwang, Yu Yanchong, Zhang Jinling, Wang Shebin
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 37-47 (2024)
Industrialized tests were carried out to produce 20MnTiB cold heading steel with different rare earth （Ce） contents， the effect of Ce on the evolution of inclusions during the production of 20MnTiB cold heading steel based on Ca treatment was i
Externí odkaz:
https://doaj.org/article/87516449013e491faa97ebd132e0f68a
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 88-94 (2024)
In order to achieve better strength and toughness matching for the newly developed Fe-C-Cr-Ni-Mo-Co-Al co-precipitation hardening ultra-high strength steel， this study deeply discussed the mechanism of dual-aging process on the microstructure evolu
Externí odkaz:
https://doaj.org/article/71b4bd050d0845a2b65ca4e7a0924ec9
Publikováno v:
Clinical Ophthalmology, Vol Volume 18, Pp 3321-3334 (2024)
Hany Ahmed Helaly,* Osama Ramadan Elnaggar,* Mohsen Abou Shousha, Amr Mohamed Elhady Ophthalmology Department, Faculty of Medicine, Alexandria University, Alexandria, Egypt*These authors contributed equally to this workCorrespondence: Han
Externí odkaz:
https://doaj.org/article/fa59426ffa8f443db568389eadc7fcff
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 34, Iss 4, Pp 632-640 (2024)
Purpose: To implement a fully data driven strategy for identifying outliers in clinical datasets used for formula constant optimisation, in order to achieve proper formula predicted refraction after cataract surgery, and to assess the capabilities of
Externí odkaz:
https://doaj.org/article/565b8cb7c5e543e1b1da75945d941837