Zobrazeno 1 - 10
of 387
pro vyhledávání: '"Minor component"'
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-14 (2023)
Abstract The presence of minor components represents a challenging problem in spectrophotometric analysis of pharmaceuticals. If one component has a low absorptivity or present in a low concentration compared to the other components, this will hinder
Externí odkaz:
https://doaj.org/article/02692420a86f40f18482864a3d5a760e
Publikováno v:
Molecules, Vol 29, Iss 8, p 1847 (2024)
The process of lipid crystallization influences the characteristics of lipid. By changing the chemical composition of the lipid system, the crystallization behavior could be controlled. This review elucidates the internal factors affecting lipid crys
Externí odkaz:
https://doaj.org/article/0d0842cf255c47dca227cf4d2d6440b1
Autor:
Shao-min Pu, Rui-hong Liang, Juan Chen, Cheng-mei Liu, Chang-jin Xu, Ming-shun Chen, Jun Chen
Publikováno v:
Food Chemistry Advances, Vol 1, Iss , Pp 100051- (2022)
In this study, the oil yield, chemical composition, physicochemical properties, cytotoxicity, and cell antioxidant capacity of Majia pomelo seed oils obtained by hot pressing (HP), solvent extraction (SE), and aqueous enzymatic extraction (AEE) were
Externí odkaz:
https://doaj.org/article/ac3d0363215d4c44b19c118a94bd66b2
Akademický článek
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Publikováno v:
Future Journal of Pharmaceutical Sciences, Vol 7, Iss 1, Pp 1-9 (2021)
Abstract Background The pharmaceutical industry and the National Regulatory Authorities are now focusing on the quantification of multi-component drugs for quality control testing. Main body Recently, the utilization of the ultraviolet spectrophotome
Externí odkaz:
https://doaj.org/article/ccac0979dcdc4b5c9fc2b8921c34c8da
Publikováno v:
Tongxin xuebao, Vol 41, Pp 25-32 (2020)
The extraction of parallel minor components algorithm in directional convergence in signal feature extraction was studied.By comparing the unweighted projection approximation subspace tracking (PAST) algorithm with the weighted PAST parallel minor co
Externí odkaz:
https://doaj.org/article/3e52d977228b4f57a9d2ea8c2e256493
Publikováno v:
IEEE Access, Vol 8, Pp 31530-31538 (2020)
A dual-purpose algorithm is capable of estimating the principal component and minor component from input signals by simply switching the sign of some terms in the same learning rule. Compared with single-purpose algorithms, a dual-purpose algorithm h
Externí odkaz:
https://doaj.org/article/8f4771c8ec7c404a87c3e75c79745ff7
Akademický článek
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Publikováno v:
Tongxin xuebao, Vol 40, Pp 38-44 (2019)
Aiming at the lack of information criterion functions of sub subspace,a novel criterion function was proposed by adding a penalty term to the Rayleigh quotient.Through analyzing the properties of all the stable points,it was proven that the criterion
Externí odkaz:
https://doaj.org/article/79d54676d6d048c3a8c9c9768fb724ab
Publikováno v:
IEEE Access, Vol 7, Pp 91860-91871 (2019)
With the availability of 5G, multi-dimensional signals' characteristic analysis becomes more challenging. Minor component analysis (MCA) is a useful data analysis approach to estimate the important features of multi-dimensional signals. MCA neural ne
Externí odkaz:
https://doaj.org/article/5db17d4cfb1e4f90b4afc900f535258b