Results 41 to 50 of about 1,205,046 (341)

Calculating Relative Correction Factors for Quantitative Analysis with HILIC-HPLC-ELSD Method: Eight Fructooligosaccharides of Morinda Officinalis as a Case Study

open access: yesJournal of Analytical Methods in Chemistry, 2022
Objective. Because the response of evaporating light scattering detector (ELSD) being in a nonlinear mode, there is no consensus on the method of calculating its relative correction factors (RCF), which limits the application of the quantitative analysis
Lihong Zhou   +10 more
doaj   +1 more source

Study on Policy and Standard System of LED Lighting Industry in EU [PDF]

open access: yesE3S Web of Conferences, 2020
This paper introduces the policy measures, regulations and standard systems of the LED lighting industry in EU, and analyzes the role of the EU’s policy measures in promoting the level of its LED lightning technologies and accelerating the industry ...
Ding Qing   +4 more
doaj   +1 more source

Standard Error as Standard? [PDF]

open access: yesCirculation, 2003
To the Editor: I am concerned about errors in simple statistical concepts in articles recently published in Circulation . First, I worry about the widespread use of the standard error of mean (SEM) to describe the variability of numerical data. Specifically, SEM was used in 30% of the clinical investigations and reports and in 76% of the basic science
openaire   +3 more sources

Regular Expression Based Online Aided Decision Making Knowledge Base for Quality and Security of Food Processing

open access: yesCybernetics and Information Technologies, 2015
With regard to the inefficient application of a food processing information system due to shortage of the knowledge acquisition measure and self-updating function of knowledge, a method of constructing an online aided decision making knowledge base for ...
Wen Liu   +5 more
doaj   +1 more source

Development of Agricultural Standardization in China in the New Era

open access: yes中国工程科学, 2023
Standardization is crucial for promoting the transformation and upgrading of agriculture in China, participating in international market competition, and enhancing China’s right of speed regarding global governance.
Yan Yanhua   +6 more
doaj   +1 more source

Standardization of activated sludge for biodegradation tests [PDF]

open access: yes, 2011
Activated sludges are an inoculum source commonly used in biodegradation studies, as wastewater treatment facilities constitute an entry point to the environment for many chemicals.
Beltrán-Hernández, Rosa Icela   +3 more
core   +3 more sources

Does IT standardization help to boost cost and profit efficiency? Empirical evidence from German savings banks [PDF]

open access: yes, 2009
This paper investigates the impact of IT standardization on bank performance based on a panel of 457 German savings banks over the period from 1996 to 2006. We measure IT standardization as the fraction of IT expenses for centralized services over banks'
Hackethal, Andreas   +2 more
core  

Successive Standardization of Rectangular Arrays

open access: yes, 2012
In this note we illustrate and develop further with mathematics and examples, the work on successive standardization (or normalization) that is studied earlier by the same authors in Olshen and Rajaratnam (2010) and Olshen and Rajaratnam (2011). Thus, we
Olshen, Richard A., Rajaratnam, Bala
core   +2 more sources

Between Droughts and Floods: The Seasonal Response of Freshwater Snails in Artificial Reservoirs in the Brazilian Semiarid Region

open access: yesPopulation Ecology, EarlyView.
We investigate the seasonal dynamics of two freshwater snails, Biomphalaria straminea and Melanoides tuberculata, in artificial reservoirs of the Brazilian semiarid region. Despite regulated hydrology, B. straminea exhibited strong seasonal fluctuations associated with dry periods, while M. tuberculata maintained stable populations throughout the year,
Lucas Henrique Sousa da Silva   +6 more
wiley   +1 more source

A story about standardization for design of glass works [PDF]

open access: yes, 2010
This contribution attempts to give an overview of the European standardization framework which is related to the design and calculation of glass works in buildings.
Belis, Jan   +3 more
core  

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