Results 61 to 70 of about 51,080 (243)

Dynamic refractometer [PDF]

open access: yes, 2008
A refractometer computer controls the rotation of a rotary plate upon which are mounted a prism optically coupled via an optical window to a spectroscopic cell holding a resin exhibiting a dynamic refractive index during photocuring.
Curley, Michael J., Sarkisov, Sergey S.
core   +1 more source

High sensitivity refractive index sensor based on simple diffraction from phase grating [PDF]

open access: yes, 2016
We present a technique for refractive index sensing using a phase grating structure. A grating under normal incidence can be designed such that the 1st order diffracted light travels at a diffraction angle of 90o with respect to the 0th order.
Adarsh Sandhu   +3 more
core   +2 more sources

Effect of Fruit Acid–Milk Protein–Polysaccharide Interactions on the Physicochemical Properties and Sensory Quality of Low‐Fat Frozen Yoghurt

open access: yesChemFoodChem, EarlyView.
ABSTRACT Background Flavor plays a crucial role in determining consumer acceptance of frozen delicacies such as ice cream and frozen yoghurt. The type and level of flavoring matter used impart distinct sensory characteristics, and it is essential to identify the minimal amount that provides desirable flavor intensity without affecting the texture and ...
Shaikh Adil   +5 more
wiley   +1 more source

Fabrication of Long Period Gratings by Periodically Removing the Coating of Cladding-Etched Single Mode Optical Fiber Towards Optical Fiber Sensor Development

open access: yesSensors, 2018
Here, we present a novel method to fabricate long period gratings using standard single mode optical fibers (SMF). These optical devices were fabricated in a three-step process, which consisted of etching the SMF, then coating it with a thin-film and ...
Joaquin Ascorbe   +3 more
doaj   +1 more source

A Methodology to Integrate Closed‐Cycle Heat Pumps into Batch Distillation Columns

open access: yesChemie Ingenieur Technik, EarlyView.
Batch distillation often cannot use vapor recompression due to contamination risks in food and pharma. This study proposes a design for integrating closed‐loop heat pumps using natural fluids. Results show significant energy savings, offering a sustainable alternative to traditional setups.
Philipp Dorn   +5 more
wiley   +1 more source

Evaluation of 3 refractometers to determine transfer of passive immunity in neonatal beef calves

open access: yesJournal of Veterinary Internal Medicine, 2021
Background Refractometry is used to assess transfer of passive immunity (TPI), but studies evaluating different refractometers and appropriate thresholds for recommended target immunoglobulin G (IgG) concentrations for beef calves are limited. Objectives
Lisa Gamsjäger   +5 more
doaj   +1 more source

A comparative evaluation of methods for estimating the colostrum quality in sows

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2021
Colostrum is the main source of immunoglobulins (Ig) for neonate piglets and plays a crucial role within the health and growth of the piglet. Currently in pig farming, there are still no widespread practical methods for measuring the Ig concentration in ...
A.P. Souza   +6 more
doaj   +1 more source

Characterization of structural and immunological properties of a fusion protein between flagellin from Salmonella and lumazine synthase from Brucella [PDF]

open access: yes, 2017
Aiming to combine the flexibility of Brucella lumazine synthase (BLS) to adapt different protein domains in a decameric structure and the capacity of BLS and flagellin to enhance the immunogenicity of peptides that are linked to their structure, we ...
Berguer, Paula Mercedes   +11 more
core   +3 more sources

Effect of Hydrotreating Severity on Jet Fuel Thermal Oxidation Stability of Olefinic Synthetic Kerosene

open access: yesEnergy Science &Engineering, EarlyView.
The extent of hydrotreating that is required for olefinic kerosene to pass the jet fuel thermal oxidative stability test was investigated. Fouling species are destroyed after mild hydrotreating, and no further benefit is derived from more severe hydrotreating.
Cibele Melo Halmenschlager   +2 more
wiley   +1 more source

On-Line Process Fiber Optic Refractometer for Measuring Edible Oil Hydrogenation [PDF]

open access: yes, 1990
The process of edible oil partial hydrogenation has improved steadily over the past decades, but few on-line process instruments exist capable of measuring the extent of hydrogenation.
Adams, Alois (Al) J.   +2 more
core   +1 more source

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