Results 21 to 30 of about 5,267,635 (285)

Development of a certified reference material for the analysis of vitamins in multivitamin tablets

Journal of Analytical Science and Technology, 2023
Multivitamin tablet certified reference material (CRM, 108-10-019) was developed for the analysis of seven water-soluble vitamins, including thiamine, riboflavin, nicotinamide, pantothenic acid, pyridoxine, biotin, and folic acid. The CRM was prepared in
Joonhee Lee, Byungjoo Kim, Hee-Jung Sim, Dongwon Seo, Byung-Man Kwak, Jongeun Won, Sunyoung Lee, Song-Yee Baek, Jeesoo Han   +8 more
doaj   +1 more source

Environmental management decision-making in certified hotels [PDF]

, 2011
This paper analyses environmental decision-making against two axes, motivations and decision-making processes, to understand the reasons for pro-environmental behaviour by the managements of Spanish Eco-management and Audit Scheme (EMAS)-certified hotels.
Bonilla-Priego, MJ, Juan José Najera, Font, X, Najera, JJ, Maria Jesús Bonilla Priego, Xavier Font   +5 more
core   +1 more source

Certified domination

AKCE International Journal of Graphs and Combinatorics, 2020
Imagine that we are given a set of officials and a set of civils. For each civil , there must be an official that can serve , and whenever any such is serving , there must also be another civil that observes , that is, may act as a kind of witness, to ...
Magda Dettlaff, Magdalena Lemańska, Jerzy Topp, Radosław Ziemann, Paweł Żyliński   +4 more
doaj   +1 more source

Certified Random Number Generation from Quantum Steering [PDF]

, 2021
The ultimate random number generators are those certified to be unpredictable -- including to an adversary. The use of simple quantum processes promises to provide numbers that no physical observer could predict but, in practice, unwanted noise and ...
Pepper, Alex, Berkman, Ian R, Pryde, Geoff J., Joch, Dominick J, Xu, Bin-Bin, Xie, Shouyi, Berkman, Ian R., Joch, Dominick J., Rogge, Sven, Pryde, Geoff J, Slussarenko, Sergei, Wang, Yuanlong   +11 more
core   +1 more source

Development of certified reference material of mineral composition of natural water designed to control of turbidity measurement accuracy

Стандартные образцы, 2017
Introduction. The results of development of a certified reference material (CRM) of mineral composition of natural water are presented. A solution prepared from the material of the CRM specimen imitates mineral composition of natural surface water.
Liudmila I. Gorjaeva, Elena L. Lebedeva
doaj   +1 more source

Application of gas chromatography with tandem mass spectrometry for certification of the reference material of «Dioxins» in animal fat

Стандартные образцы, 2020
The article presents the results of applying gas chromatography - mass-spectrometry (GC-MS) and tandem mass spec-trometry (GC-MS/MS) methods for determination of certified values (mass fraction) of «Dioxins» - Polychlorinated Dibenzo-p-dioxins and ...
A. I. Krylov, A. Y. Mikheeva, A. G. Budko   +2 more
doaj   +1 more source

Standards for Certified Tomato Seed [PDF]

, 1951
This document contains information on general requirements, field requirements, field inspections, seed samples and seed standards and rules governing the sale of certified ...
New York State College of Agriculture, New York Certified Seed Growers' Cooperative, Inc., New York State Department of Agriculture & Markets, New York State Experiment Station (Geneva)   +3 more
core   +6 more sources

Avaliação de laboratórios brasileiros na determinação de alguns parâmetros de qualidade de biocombustíveis

Química Nova, 2013
This work shows the results of a Proficiency Testing performed by a partnership between INMETRO and ANP. The performance of 49 Brazilian laboratories (using the z-score statistical test) in determining 10 quality parameters of ethanol fuel and biodiesel ...
Mary A. Gonçalves, Fabiano B. Gonzaga, Isabel C. S. Fraga, Carla M. Ribeiro, Sidney P. Sobral, Eliane C. P. Rego, Elaine B. Santana, Leonardo M. Oliveira, Viviane F. Silva, Rodrigo V. P. Leal, Dalni M. E. Santo Filho, José R. R. Siqueira, Thales P. Barbosa, Janaína M. Rodrigues, Valnei S. Cunha, Vinícius L. Skrobot, Cristiane B. Costa, Aderson R. Pessoa Júnior, Helena S. P. Carneiro, Helenice Colares, Ednéia Caliman, Márcia V. S. Alves   +21 more
doaj   +1 more source

Certified Reference Materials Preparation of Ilmenite Chemical Composition

Yankuang ceshi, 2014
At present, there are no ilmenite chemical composition certified reference materials, the closest being of vanadium-titanium magnetite ore composition.
HONG Fei, LIU Yao-hua, LV Zhen-sheng, ZHAO Wei, WANG Qing, ZHANG Ying-ming   +5 more
doaj   +2 more sources

Values and willingness-to-pay for sustainability-certified mobile phones [PDF]

International Journal of Sustainable Development & World Ecology, 2019
ABSTRACTThis study investigated whether endorsement of personal values is associated with willingness to pay more for mobile phones with an environmental or social sustainability label.
G. Grankvist, S. Å. K. Johnsen, D. Hanss   +2 more
openaire   +2 more sources