Results 1 to 10 of about 727,319 (217)

Geometrical foundations of the sampling design with fixed sample size

open access: yesRatio Mathematica, 2020
We study the sampling design with fixed sample size from a geometric point of view. The first-order and second-order inclusion probabilities are chosen by the statistician. They are subjective probabilities.
Pierpaolo Angelini
doaj   +1 more source

THE INFLUENCE OF FASHION CONSCIOUSNESS AND BRAND IMAGE ON PURCHASE DECISION: A SURVEY ON FEMALE CONSUMER AT HOUSE OF RIA MIRANDA [PDF]

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2018
This study aims to analyze and test the influence brand image and fashion consciousness on product purchasing decisions. Data were collected by distributing questionnaire and analyzed through descriptive analysis, classical assumption test, multiple ...
Devita L.D.R., Sahara A.
doaj   +1 more source

Quantitative versions of the two-dimensional Gaussian product inequalities

open access: yesJournal of Inequalities and Applications, 2023
The Gaussian product-inequality (GPI) conjecture is one of the most famous inequalities associated with Gaussian distributions and has attracted much attention.
Ze-Chun Hu, Han Zhao, Qian-Qian Zhou
doaj   +1 more source

Synthesis of camphor thiazole derivates from Dryobalanops aromatica and its bioactivity as antioxidants and antidiabetes against alpha glucosidase enzymes

open access: yesMethodsX, 2023
Camphor is synthesized from the Sumatran camphor plant (Dryobalanops aromatica) in previous experiments. It can be synthesized with thiosemicarbazide, ethy-2‑chloro acetoacetate, and sodium acetate (catalyze) to form camphor derivate with thiazole ring ...
Antonius Herry Cahyana   +2 more
doaj   +1 more source

Microstructural, mechanical and corrosion characterization of an as-cast Mg–3Zn–0.4Ca alloy for biomedical applications

open access: yesJournal of Magnesium and Alloys, 2020
The as-cast Mg–3Zn–0.4Ca alloy shows a great potential to be used in biomedical applications due to its composition, mechanical properties and biodegradability. Zn and Ca appear naturally in the organism accomplishing vital functions.
N. Pulido-González   +4 more
doaj   +1 more source

Inhibition of Cell Proliferation in an NRAS Mutant Melanoma Cell Line by Combining Sorafenib and α-Mangostin. [PDF]

open access: yesPLoS ONE, 2016
α-Mangostin is a natural product commonly used in Asia for cosmetic and medicinal applications including topical treatment of acne and skin cancer. Towards finding new pharmacological strategies that overcome NRAS mutant melanoma, we performed a cell ...
Yun Xia   +6 more
doaj   +1 more source

Research progress on the sources and detection methods of determination of benzo-α-pyrene in aquatic products

open access: yesShipin yu jixie, 2022
This review summarized the source, properties, as well as the harm of benzo-α-pyrene exposure to aquatic products. The commonly used instrumental analysis methods for the detection of benzo-α-pyrene were also discussed, and the future research direction ...
XIA Hong   +4 more
doaj   +1 more source

Some properties of α−product on spherical fuzzy graphs [PDF]

open access: yesJournal of Hyperstructures
In a network model involves incomplete and imperfect network states for which sophisticated analysis is needed. Spherical fuzzy sets could be more helpful for the analysis of network state more accurately.
B. Mohamed Harif, Nazeera Begam
doaj   +1 more source

Modulation of dendritic cell metabolism by an MPLA-adjuvanted allergen product for specific immunotherapy

open access: yesFrontiers in Immunology, 2022
BackgroundRecently, bacterial components were shown to enhance immune responses by shifting immune cell metabolism towards glycolysis and lactic acid production, also known as the Warburg Effect.
Jennifer Zimmermann   +12 more
doaj   +1 more source

Highly selective electrochemical fluorination of dithioacetal derivatives bearing electron-withdrawing substituents at the position α to the sulfur atom using poly(HF) salts

open access: yesBeilstein Journal of Organic Chemistry, 2015
Anodic fluorination of dithioacetals bearing electron-withdrawing ester, acetyl, amide, and nitrile groups at their α-positions was comparatively studied using various supporting poly(HF) salts like Et3N·nHF (n = 3–5) and Et4NF·nHF (n = 3–5).
Bin Yin   +2 more
doaj   +1 more source

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