Zobrazeno 1 - 10
of 1 736
pro vyhledávání: '"Le Hung"'
Publikováno v:
Geodetski Vestnik, Vol 68, Iss 03, Pp 313-326 (2024)
Vietnam is a country with rich mineral resources, of which coal reserves are about 8.6 billion tons, concentrated mainly in the coal basin of Quang Ninh province. Besides the economic and social benefits, coal mining has negative impacts on the envir
Externí odkaz:
https://doaj.org/article/537e4c6cc1454218a4fea6c4f6500841
Autor:
Xuan Bien Tran, Le Hung Trinh, Quoc Long Nguyen, Yuri M. Levkin, Igor V. Zenkov, Thi Hanh Tong
Publikováno v:
Горные науки и технологии, Vol 8, Iss 2, Pp 173-182 (2023)
Illegal mining, including the violation of lease boundaries during the extraction of mineral deposits in Vietnam, has witnessed a significant surge in recent years, leading to substantial environmental degradation. Due to the remote locations of mini
Externí odkaz:
https://doaj.org/article/1722a94d2be64e22acae7e29902671c4
Publikováno v:
Tạp chí Khoa học, Vol 52, Iss 1A, Pp 35-44 (2023)
Garbage classification has always been an important issue in environmental protection, resource recycling, and social livelihood. However, garbage classification takes a lot of time and effort. Moreover, garbage classification directly affects the he
Externí odkaz:
https://doaj.org/article/a76afdee73a8415083d2c718347e1073
Publikováno v:
Environmental Research Communications, Vol 6, Iss 7, p 075007 (2024)
This study was conducted to determine the surface water quality and health risks in Ho Chi Minh City (HCMC) canals. 180 water samples and 180 sediment samples were collected from 15 canal locations in HCMC in 2021 and 2022. The Water Quality Index (W
Externí odkaz:
https://doaj.org/article/7b417370da194267920971b6ac49a991
Substantiation of pillar parameters in mining of inclined coal seams in Quang Ninh Province, Vietnam
Publikováno v:
Горные науки и технологии, Vol 7, Iss 2, Pp 93-99 (2022)
Design and operation of auxiliary underground workings in coal mines involves substantiation of parameters of coal pillars and requires development of new approaches to substantiate their geometrics. On the one hand, sufficient stability of a “rock
Externí odkaz:
https://doaj.org/article/156700fb5f144c42942077a3d64472d9
Autor:
Le Hung Trinh, Viet Nghia Nguyen
Publikováno v:
Горные науки и технологии, Vol 6, Iss 4, Pp 233-240 (2021)
Khanh Hoa coal mine (Thai Nguyen province) is one of the largest coal mines in the north of Vietnam. For many years, this area suffered from underground fires at coal mine waste dumps, seriously affecting production activities and the environment. Th
Externí odkaz:
https://doaj.org/article/47005c0115ab4b598b731703337c6ad5
Autor:
Le Hung V., Tsatsomeros M. J.
Publikováno v:
Special Matrices, Vol 10, Iss 1, Pp 219-233 (2021)
Continuous-time Markov chains have transition matrices that vary continuously in time. Classical theory of nonnegative matrices, M-matrices and matrix exponentials is used in the literature to study their dynamics, probability distributions and other
Externí odkaz:
https://doaj.org/article/a43a387ea5724b458af040795c70ffa8
Autor:
Do Van Tu, Kristina von Rintelen, Werner Klotz, Le Hung Anh, Tran Anh Tuan, Dang Van Dong, Phan Thi Yen, Nguyen Tong Cuong, Hoang Ngoc Khac, Phan Dang, Thomas von Rintelen
Publikováno v:
Biodiversity Data Journal, Vol 9, Iss , Pp 1-69 (2021)
Freshwater shrimp of the family Atyidae De Haan, 1849 have been studied in Vietnam for more than a century. A total of 24 species of atyid shrimps from the genera Caridina H. Milne Edwards, 1837, Neocaridina Kubo, 1938, Atyopsis Chace, 1983 have been
Externí odkaz:
https://doaj.org/article/6eb80d31b7e3463587d7ad53d12f949c
Autor:
To, Long Truong, Le, Hung Tuan, Nguyen, Dat Van-Thanh, Nguyen, Manh Trong, Nguyen, Tri Thien, Van Huynh, Tin, Van Nguyen, Kiet
Large Language Models (LLMs), with gradually improving reading comprehension and reasoning capabilities, are being applied to a range of complex language tasks, including the automatic generation of language data for various purposes. However, resear
Externí odkaz:
http://arxiv.org/abs/2411.05641
Determining the difficulty of a text involves assessing various textual features that may impact the reader's text comprehension, yet current research in Vietnamese has only focused on statistical features. This paper introduces a new approach that i
Externí odkaz:
http://arxiv.org/abs/2411.04756