نتایج جستجو برای: thermogram

تعداد نتایج: 221  

2009
D. F. Coral P. Pineda-Gómez A. Rosales-Rivera M. E. Rodriguez-Garcia

A study of the influence of the moisture and the grain size on the gelatinization temperature (Tp1) of starch from four industrial maize flours as well as an unprocessed maize sample is presented. The gelatinization is a phase transition that can be observed using Differential Scanning Calorimetry (DSC), and it is manifest as an endothermic peak in the DSC thermogram. Results show that for 60, ...

2004
John Norgard Randall Musselman

An infrared (IR) measurement technique is presented that has been developed to measure electromagnetic (EM) fields. This technique uses a minimally perturbing, thin, planar IR detection screen to produce a thermal image (e.g., an IR thermogram) of the intensity of the EM energy over the two-dimensional region of the screen. Several examples are presented using this thermal technique to measured...

2016
Antony Ananth Young Sun Mok

Figure S1a,b show the optical and field emission scanning electron microscope (FESEM) images of the RuO2 NMs. The nanomaterials exhibited nanosheet morphology with length >1 μm and the width <100 nm. The X-ray diffraction (XRD) spectrum (Figure S1c) showed the prominent peaks at the diffraction angle (2θ) 28.00, 34.93, 39.64 and 54.00, representing (110), (101), (200) and (211) set of latti...

2011
Zhijie Gu Ying Tan Kousuke Tsuchiya Takeshi Shimomura Kenji Ogino

Poly(3-hexylthiophene)-block-polystyrene (P3HT-b-PS) was synthesized by Suzuki coupling reaction between P3HT and PS, prepared by Grignard metathesis polymerization and atom transfer radical polymerization (ATRP), respectively. The formation of block copolymer was confirmed by gel permeation chromatography (GPC) and NMR. Differential scanning calorimetry (DSC) thermogram of block copolymers sho...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2007
Atsuomi Shundo Megumi Fukui Makoto Takafuji Kazuaki Akasaka Hiroshi Ohrui Dusan Berek Hirotaka Ihara

2-(2,3-anthracenedicarboximido)cyclohexane derivatives (AC) have been known as the evolutionary diastereomerizing reagents for enantiomer discrimination in HPLC with ODS. However, a substantial separation of diastereomers can be observed only at lower temperatures, such as -40 degrees C. Therefore, in this work, poly(octadecyl acrylate)-grafted silica, ODAn was applied as an alternative station...

Journal: : 2023

The saturated and unsaturated fatty acid of extracted horse oil (control) was separated by low-temperature crystallization, then the cooling curve, cloud point, iodine value, thermal property DSC were evaluated. solid phase liquid during crystallization processing. Before separation, point near 25.6°C (54.3 min) after could observed at around 7.6°C (289.7 29.4°C (36.5 min), respectively. value ...

Journal: : 2023

Multicomponent crystallization is a method that can modify the physicochemical properties of Carvedilol (CVD), thereby increasing its solubility. Based on in silico screening coformers (Benzoic Acid, Isonicotinamide, and Saccharin) showed non-covalent interactions with CVD, so multicomponent crystal preparation CVD by solvent evaporation used these mole ratios 1:1, 1:2, 2:1. CVD:Isonicotinamide...

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