Zobrazeno 1 - 10
of 1 485
pro vyhledávání: '"Zhang Xueqin"'
Publikováno v:
Xiehe Yixue Zazhi, Vol 15, Iss 4, Pp 921-926 (2023)
Systematic reviews are the basis of evidence-based medical research, and high-quality systematic reviews represent the highest level of evidence for evaluating treatment effects. Traditional systematic reviews are mainly done manually, but the readin
Externí odkaz:
https://doaj.org/article/bdec520845374be9b05eda594a5f310e
Publikováno v:
You-qi chuyun, Vol 41, Iss 11, Pp 1228-1241 (2023)
Efficient methods for optimizing and coordinating the primary distribution of petroleum products are crucial for enhancing transportation efficiency and reducing operational costs. This paper provides an analysis and summary of current domestic and i
Externí odkaz:
https://doaj.org/article/a7b38de866a64ef99e39785d496cf8b8
Publikováno v:
Open Life Sciences, Vol 19, Iss 1, Pp e28918-840 (2024)
Studying the effects of maternal iron deficiency anemia (IDA) is complex owing to its diverse causes, each independently impacting the placenta and fetus. Simple treatment with iron supplements does not always resolve the anemia. Therefore, delving i
Externí odkaz:
https://doaj.org/article/33d5eecc6f73489b8b74b0cfab796d39
Publikováno v:
Journal of Medical Biochemistry, Vol 42, Iss 4, Pp 574-581 (2023)
Background: This study aimed to evaluate the clinical application value of noninvasive prenatal testing from DNA (NIPT) and serum screening for screening in detecting fetal trisomy 21 and 18. Methods: As a retrospective analysis, we collected data fr
Externí odkaz:
https://doaj.org/article/3f8eed7fd337498bb273e1d84b11ff6e
Publikováno v:
电力工程技术, Vol 41, Iss 4, Pp 150-155 (2022)
Traditional indicators such as equivalent salt deposit density, surface pollution layer conductance and leakage current are mainly used to measure the contamination grades of ceramic insulators, and the detection process is time-consuming and ineffic
Externí odkaz:
https://doaj.org/article/c6913df145174fb78b1570eef675f2ce
The balancing of chemical equations is a basic problem in chemistry. A commonly employed method is to convert the task to a linear algebra problem, and then solve the null space of the constructed formula matrix. However, in this method, the directly
Externí odkaz:
http://arxiv.org/abs/2410.06023
Publikováno v:
E3S Web of Conferences, Vol 267, p 02010 (2021)
Moringa leaves were used as raw materials, ethanol and ammonium sulfate were used to construct a aqueous two-phase system to extract the flavonoids from Moringa leaves. The solid-liquid ratio, ethanol content, ultrasonic extraction time, and ultrason
Externí odkaz:
https://doaj.org/article/dc43384138e741aca75d64edb093725e
Autor:
Zhang Xueqin, Liu Ruolun
Publikováno v:
MATEC Web of Conferences, Vol 173, p 03054 (2018)
The Chirplet Transform (CT) is effective in the characterization of IF for mono-component linear-frequency-modulated signal. However, During the initialization process, using the peak of the time-frequency map of the short-time Fourier transform to f
Externí odkaz:
https://doaj.org/article/ca4d8562a1af4b7ab171b396ffb775e2
Publikováno v:
In Expert Systems With Applications 15 November 2024 254
Autor:
Cheng, Zheng, Li, Jialin, He, Guoshan, Su, Miao, Xiao, Naiyu, Zhang, Xueqin, Zhong, Le, Wang, Honglei, Zhong, Yunyun, Chen, Qifeng, Chen, Yiguang, Liu, Meixian
Publikováno v:
In International Journal of Biological Macromolecules November 2024 280 Part 4