Results 1 to 10 of about 4,754,395 (168)

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

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

Mean kinetic temperature evaluations through simulated temperature excursions and risk assessment with oral dosage usage for health programs

open access: yesBMC Public Health, 2022
Background Temperature excursions occur during the transport and storage of pharmaceuticals, and often result in considerable losses for public health programs operating in countries with limited resources.
David Jenkins   +2 more
doaj   +1 more source

High Performance Liquid Chromatography (HPLC) Method for the Determination of Thiourea in Wheat Flour and Its Products

open access: yesLiang you shipin ke-ji, 2022
This research aimed to establish a determination of thiourea in wheat flour and its products of high performance liquid chromatography (HPLC) method. Thioureas in wheat flour and noodle samples were extracted with pure water under ultrasonic conditions ...
WANG Qiu   +4 more
doaj   +1 more source

Rapid screening of 57 illegally added drugs for uric acid lowering medicinal and edible food by modified QuEChERS technology

open access: yesShipin yu jixie, 2023
Objective: This study aimed to establish a rapid screening method for 57 drugs illegally added to medicinal and edible food. Methods: Extracted samples were purified by QuEhERS pretreatment technology, and 57 kinds of illegal addition of drugs were ...
QI Yan   +4 more
doaj   +1 more source

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