Results 1 to 10 of about 4,695,521 (310)

Product Quality and Worker Quality [PDF]

open access: yesAnnales d'Économie et de Statistique, 1996
We study the relation between product quality and worker quality using an economic model that, under certain conditions, provides a direct link between product price, product quality and work force quality.
Antoine Moreau   +2 more
core   +4 more sources

The Key Application Technology of Desulfurized Gypsum in Dry-Mixed Mortar [PDF]

open access: yesE3S Web of Conferences, 2022
In this paper, in view of the problem of low early and late strength of dry-mixed mortar prepared by cement-fly ash-slag powder composite cementing system, the ratio of mixing fly ash and slag powder to replace cement is 70%.
Fang Guangxu   +4 more
doaj   +1 more source

Determination of 12 Mycotoxins in Seasoning Flour Products by QuEChERS-SPE-Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry

open access: yesShipin gongye ke-ji, 2022
A method was developed for the residual quantity determination of 12 mycotoxins in seasoning flour products by QuEChERS-SPE-ultra performance liquid chromatography-tandem mass spectrometry. The samples were extracted with formic acid acetonitrile aqueous
Ziting XU   +6 more
doaj   +1 more source

Cumulative Risk Assessment of Dietary Exposure to Pesticide Residues in Brown Rice (Oryza sativa L.) from the Three Main Rice-Growing Regions in China during 2016–2020

open access: yesJournal of Food Quality, 2022
The residual levels of 25 monitored pesticides in 6,229 brown rice samples obtained from the 17 provinces of the three main rice-growing regions in China during 2016–2020 were analyzed, and the cumulative risks of chronic and acute exposure to pesticides
Zhenzhen Cao   +6 more
doaj   +1 more source

Tuning Mechanical Properties of Polymeric Hydrogels Using Orthogonally Functionalized Crosslinkers

open access: yesAdvances in Polymer Technology, 2022
A unique orthogonal crosslinker-induced hydrogel, whose mechanical strength can be tunable by the crosslinker topology upon thermal treatment, is described herein.
Bin Liu   +7 more
doaj   +1 more source

Modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous determination of 19 quinolones and sulfonamides in aquatic products

open access: yesShipin yu jixie, 2023
Objective: A simultaneous determination method was established for detecting 19 kinds of quinolones and sulfonamides in aquatic products simultaneously, by using QuEChERS combined with UPLC-MS/MS.
SUN Juan   +5 more
doaj   +1 more source

Natural Aporphine Alkaloids with Potential to Impact Metabolic Syndrome

open access: yesMolecules, 2021
The incidence and prevalence of metabolic syndrome has steadily increased worldwide. As a major risk factor for various diseases, metabolic syndrome has come into focus in recent years.
Fei-Xuan Wang   +3 more
doaj   +1 more source

IPOs and Product Quality [PDF]

open access: yesThe Journal of Business, 2001
Given recent public attention paid to high‐flying Internet IPOs such as Yahoo and Amazon.com, we explore a product market motive for going public. We develop a model where consumers discern product quality from the stock price. The model predicts that only better‐quality firms will go public.
Zechner, J, Wong, KP, Stoughton, NM
openaire   +3 more sources

Research on the Origin Traceability of Geographical Indication Protection Products Xishui Brown Goat Based on IKnife-REIMS Technology

open access: yesShipin gongye ke-ji, 2022
In the reserch, a method for rapid identification of Xishui brown goat by rapid evaporative ionization mass spectrometry (REIMS) was established. This study obtained a real-time traceability detection method for Xishui brown goat conducting optimization ...
Ji ZHANG   +5 more
doaj   +1 more source

Improving Product Quality With Production Quality Control

open access: yesPROZIMA (Productivity, Optimization and Manufacturing System Engineering), 2021
PT. Z is a company engaged in the plastic bag industry. The company produces plastic bags, one of which is a type of ATP 12 x 24 that is often used as plastic wrapping meatballs, sugar and others. A company is certainly required to provide the best quality on its products. To meet the needs and expectations of consumers for the quality of products, the
null Suhadak, Tedjo Sukmono
openaire   +2 more sources

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