Zobrazeno 1 - 10
of 39 832
pro vyhledávání: '"Li Gang"'
Publikováno v:
Guan'gai paishui xuebao, Vol 43, Iss 8, Pp 56-63 (2024)
【Objective】 Irrigation is the largest water consumer in many regions. Understanding its variation and the underlying determinants is important for improving water management. Taking Jiangxi province as an example, we analyze the variation in its
Externí odkaz:
https://doaj.org/article/8af09893a9bc4748a9c86f56804526dd
Publikováno v:
Zhejiang dianli, Vol 43, Iss 8, Pp 47-56 (2024)
Hybrid DC transmission systems are prone to DC current oscillations as the parameters of constant DC current controller increase, an oscillation suppression strategy based on virtual resistance is proposed. This strategy generates an additional vol
Externí odkaz:
https://doaj.org/article/77cc0acd9a9f4a508f00da35e43e141e
Research on steam pipe storage effect of integrated electricity and heat energy systems for industry
Publikováno v:
Zhejiang dianli, Vol 43, Iss 3, Pp 114-121 (2024)
In order to investigate the thermal inertia of steam systems and address the scheduling challenges of low-carbon energy systems in industrial parks, a dynamic analysis model reflecting the spatiotemporal transmission of steam is proposed. A virtual
Externí odkaz:
https://doaj.org/article/300d8da58ef448c7b0591b6b2204f40f
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract In a coal mine in the northern region of Shaanxi Province, China, a facing-mining excavating roadway exists, which is intended to be retained for subsequent working face safety services. This paper investigates the deformation and damage cha
Externí odkaz:
https://doaj.org/article/c87c01afbc7f4d81a3a0de70416605ec
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract In order to study the evolutionary law of roof migration on Gob-Side Entry Retaining, this paper takes the gob-side entry retaining in the comprehensive mining face of the Ningtiaota coal mine as the engineering background, and analyzes the
Externí odkaz:
https://doaj.org/article/47c3bfef89a24d34a9b2ac86908609bc
Publikováno v:
Journal of Data and Information Science, Vol 9, Iss 1, Pp 53-81 (2024)
Interdisciplinary fields have become the driving force of modern science and a significant source of scientific innovation. However, there is still a paucity of analysis about the essential characteristics of disciplines’ cross-disciplinary impact.
Externí odkaz:
https://doaj.org/article/f77dbecbe5c24d3ca3fa679c6997e3b6
Publikováno v:
Jixie chuandong, Vol 48, Pp 67-74 (2024)
As the key equipment of data acquisition in oil and gas exploration, the node can be replaced by a mechanical arm because of its long-term continuous work and high efficiency, but the structure rigidity is weak and the motion ability is poor, so the
Externí odkaz:
https://doaj.org/article/e81ed7866f3344ea8996ec238da8a462
Autor:
Li Gang, Zheng Yujuan
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 1, Pp 16-23 (2024)
The fuel consumption rate of a diesel engine is closely related to its operating speed. In order to minimize the fuel consumption rate of the diesel engine, this paper studies the optimal operating speed of the diesel generator set, and designs the o
Externí odkaz:
https://doaj.org/article/f2439245abba4933b8dad99cec271d7d
Publikováno v:
Kouqiang yixue, Vol 44, Iss 1, Pp 1-5 (2024)
This paper investigates the current situation of digital education in 94 undergraduate universities and junior colleges of Stomatology in China through electronic questionnaire and telephone interview. It shows that digital Stomatology education in C
Externí odkaz:
https://doaj.org/article/12dfee74c16f431ea22bda12404d01af
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 11, Pp 84-91 (2023)
Due to factors such as image acquisition equipment and geological environment, rock CT images have low resolution and unclear details. However, existing image super-resolution reconstruction methods are prone to losing details when characterizing hig
Externí odkaz:
https://doaj.org/article/bf60e0c3f8ff453bb2a7b522e62a429f