Zobrazeno 1 - 10
of 1 453
pro vyhledávání: '"Uncertainty evaluation"'
Publikováno v:
Earth, Planets and Space, Vol 76, Iss 1, Pp 1-22 (2024)
Abstract Interseismic strain around southwest Japan can be attributed to slip phenomena on the plate interface and processes inside the continental plate, such as block motions and inland fault slips. Although many crustal deformation analyses have b
Externí odkaz:
https://doaj.org/article/fcebfc5db07f4cc995c0fff9e26a4421
Autor:
TIAN Chuan, LI Chun, WANG Lan, ZHANG Ji-long, WU Zhao-hui, HAN Ye-liang, GAO Xue-mei, JI Jian-chen, TAN Xi-zao, ZHOU Zhi-bo, LI Duo-hong
Publikováno v:
He huaxue yu fangshe huaxue, Vol 45, Iss 4, Pp 332-340 (2023)
Uranium content measurement is very important to nuclear material accounting and product quality control in nuclear bulk facilities. It needs high accuracy and precision. In this work, 3 different measurement steps from 2 analytical standards GB 1184
Externí odkaz:
https://doaj.org/article/b2f7adba5a91452fa68d5286c7099046
Publikováno v:
Liang you shipin ke-ji, Vol 31, Iss 4, Pp 123-129 (2023)
To establish a method for the determination of morpholine guanidine residues in lettuce, ultra performance liquid chromatography-tandem mass spectrometry and uncertainty evaluation of the established method were studied. After samples were extracted
Externí odkaz:
https://doaj.org/article/6f2f94c2e2524e50b0c82dced9dc5504
Publikováno v:
Metrology, Vol 3, Iss 3, Pp 246-253 (2023)
In this paper, the development of a fission-gas collecting and physical-analysis-enabling instrument was proposed for small-volume determination. Analysis specifications require a design capable of accurately and repeatably determining volumes in the
Externí odkaz:
https://doaj.org/article/32c3656727af4cf39f43182d2b5280d5
Publikováno v:
Journal of Engineering and Applied Science, Vol 70, Iss 1, Pp 1-22 (2023)
Abstract Decline curve analysis (DCA) is a widely used method to estimate the production performance and ultimate recovery of conventional and unconventional reservoirs. Due to the unconventional nature of shale wells, traditional decline curve metho
Externí odkaz:
https://doaj.org/article/d17155c5c9e44f1a8f32bc374db7fda2
Autor:
Alistair Forbes
Publikováno v:
Algorithms, Vol 17, Iss 5, p 193 (2024)
This paper addresses the following problem: given m potential observations to determine n parameters, m>n, what is the best choice of n observations. The problem can be formulated as finding the n×n submatrix of the complete m×n observation matrix
Externí odkaz:
https://doaj.org/article/1b86be64432b4938883046defb2ff328
Publikováno v:
Molecules, Vol 29, Iss 6, p 1248 (2024)
For chemical measurements, calibration is typically conducted by regression analysis. In many cases, generalized approaches are required to account for a complex-structured variance–covariance matrix of (in)dependent variables. However, in the part
Externí odkaz:
https://doaj.org/article/0cd38865ea4f42cb8ea79c37192721ed
Publikováno v:
Sensors, Vol 24, Iss 6, p 1746 (2024)
The need to monitor the power network is leading to a significant increase in the number of measurement points. These points consist of intelligent electronic devices and instrument transformers (or more in general sensors). However, as the number of
Externí odkaz:
https://doaj.org/article/20ad8df89362471192490a1c9b8b2d14
Publikováno v:
Metrology, Vol 2, Iss 4, Pp 446-478 (2022)
High-accuracy source standards preparation in radionuclide metrology is based on a properly described and reliable weighing procedure able to achieve relative standard uncertainties below 0.1%. However, the results of uncertainty budget comparison CC
Externí odkaz:
https://doaj.org/article/c49c52002b684d4dbaffed36fecd3f6c
Publikováno v:
Zhipu Xuebao, Vol 43, Iss 6, Pp 782-791 (2022)
A series of matrix reference materials for 21 inorganic trace impurities in 2 mg/g cadmium telluride (CdTe) solution with five impurity concentration levels (0, 1, 2, 4, 8 ng/g) were developed. High purity (>99.999%) CdTe was used as raw materials an
Externí odkaz:
https://doaj.org/article/3ecf2cbac0244746bb63f5f9c21fae08