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261
(Li, Na, K)OH hydration bonding thermodynamics : solution self-heating
Published 2019“…The resultant energy of solvent H–O bond exothermic elongation by O:⇔:O repulsion, featured at <3100 cm −1 , and the solute H–O bond endothermic contraction by bond-order-deficiency, at 3610 cm −1 , heats up the (Li, Na, K)OH solutions. …”
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262
Removal Methyl Orange from Aqueous Solutions Using Dragon Fruit (Hylocereusundatus) Foliage.
Published 2013“…Different thermodynamic values were calculated and the adsorption process was found to be favourable and endothermic. The adsorbent was characterised using Fourier transform infrared spectroscopy and scanning electron microscopy. …”
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263
Quaternized wood as sorbent for reactive dyes
Published 2000“…The enthalpy of sorption of HRB on Simpoh (Dillenia suffruticosa) was found to be endothermic. Maximum sorption capacity calculated from the Langmuir isotherm was 250.0 mg/g. …”
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264
Adsorption/desorption of cationic dye on surfactant modified mesoporous carbon coated monolith: equilibrium, kinetic and thermodynamic studies
Published 2015“…The adsorption was found to be spontaneous and endothermic. Desorption studies indicate that 0.1 N HCl exhibits higher elution efficiency (82.1%) with appreciable quantitative MB recovery.…”
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265
Effects of Microhabitat Temperature Variations on the Gut Microbiotas of Free-Living Hibernating Animals
Published 2023-08-01“…ABSTRACT Variations in ambient temperature (Ta) may significantly influence the gut microbiotas of ectothermic and endothermic animals, affecting fitness. It remains unclear, however, whether temperature fluctuations affect the gut microbial communities of hibernating animals during torpor. …”
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266
A comprehensive investigation on 3D printing of polyamide 11 and thermoplastic polyurethane via multi jet fusion
Published 2021“…According to the DSC scans, the PA11 specimen exhibited two endothermic peaks, while the TPU specimen exhibited a broad endothermic peak (116-150 °C). …”
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267
Advanced catalysts and effect of operating parameters in ethanol dry reforming for hydrogen generation. A review
Published 2022“…H2 yield of 90% and above is achieved at 1073 K or above due to the endothermic nature of ethanol dry reforming. Improving catalytic performance and inhibiting coke formation may be achieved by using bimetallic catalysts and other types of metal oxides.…”
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268
Study on the thermal decomposition reaction process and kinetics of SF6 and tungsten
Published 2023-01-01“…Based on above experiments, a two-stage decomposition process of SF6 with tungsten was proposed: the first stage is the surface vulcanization reaction W+SF6→S2, mainly taken place at 600 °C, with the activation energy valued at 152.8 kJ·mol-1, according to Avrami-Erofeev equation; the second stage is the endothermic fluorination reaction WS2+SF6 →WF6, mainly taken place at 750 °C,, with the activation energy valued at 126.0 kJ·mol-1 according to the Avrami-Erofeev equation.…”
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269
STUDENT DIFFICULTY ANALYSIS IN COMPLETING CHEMISTRY ODD SEMESTER EXAM
Published 2020-12-01“…The results obtained indicate that students have difficulty in chemical calculations, exothermic and endothermic reactions, and the concept of chemistry equilibrium; the factors that affect students' difficulties in solving odd semester final exam questions on chemistry are the students', physical condition, students' motivation, and interest and students' low mathematical abilities.…”
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270
The polymer–polymorphoid nature of glass aging process
Published 2015-12-01“…The study revealed that the process and degree of glass aging influences the properties of glasses, including a change in enthalpy, manifested in the exothermic and endothermic effects observed in thermograms of differential scanning calorimetry of heated and cooled glasses. …”
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271
Investigation of thermal properties and composition on basalts of the Aydarkul deposit by methods DTA/DTG and X-ray diffraction
Published 2023-01-01“…The article studies the endothermic effects of the thermolysis process, which appear at a temperature of 80 ÷240 0C. …”
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272
Adsorption of Congo red with hydrothermal treated shiitake mushroom
Published 2019-01-01“…Thermodynamic analysis indicated that the adsorption reaction was a spontaneous endothermic reaction.…”
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273
Cr(VI) Sorption from Aqueous Solution: A Review
Published 2020-09-01“…In most cases, Cr(VI) sorption is an endothermic process whose kinetics is satisfactorily described by the pseudo second-order model. …”
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274
Alkaloid Extract of <i>Ageratina adenophora</i> Stem as Green Inhibitor for Mild Steel Corrosion in One Molar Sulfuric Acid Solution
Published 2023-03-01“…Free energy and thermodynamic parameters are well suited to endothermic processes.…”
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275
Body Temperature Measurements for Metabolic Phenotyping in Mice
Published 2017-07-01“…Endothermic organisms rely on tightly balanced energy budgets to maintain a regulated body temperature and body mass. …”
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276
Multispectroscopic and molecular docking studies on the interaction of diltiazem hydrochloride with bovine serum albumin and its application to the quantitative determination of di...
Published 2022-10-01“…The thermodynamic parameters such as ΔG, ΔH and ΔS were computed which illustrated the spontaneous and endothermic nature of binding of DTZ with BSA. Molecular docking evaluation indicated that DTZ fits into the binding pocket of subdomain I-B (site III). …”
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277
Theoretical Analysis of Mass Transfer Behavior in Fixed-Bed Electrochemical Reactors: Akbari-Ganji’s Method
Published 2022-10-01“…These particles have internal mass concentration and temperature gradients in endothermic or exothermic reactions. The model is based on a nonlinear reaction–diffusion equation containing a nonlinear term with an exponential relationship between intrinsic reaction rate and temperature. …”
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278
EGG SHELL AS NATURAL SORBENT TO REMOVE CADMIUM IONS FROM SIMULATED WASTEWATER
Published 2019-11-01“…Effect of temperature change has been calculated, and parameters of thermodynamic indicated that the sorption of cadmium is favored at high temperatures and endothermic. FTIR was recorded before and after adsorption to show the number and position of the functional groups available for cadmium binding onto the studied adsorbent. …”
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279
Structure and Mössbauer Analysis of Melt-Spun Fe-Pd Ribbons Containing Ni and Co
Published 2015-06-01“…The annealed ribbon at 600 °C shows an L10 ordered fct structure. An endothermic reaction at T = 358 °C followed by an exothermic one at 390 °C were observed on heating. …”
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280
STUDY OF ADSORPTION METHYLENE BLUE DYE FROM AQUEOUS SOLUTIONS BY ATTAPULGITE CLAY BY THE BATCH AND THE COLUMN METHOD
Published 2012-06-01“…The effect of temperature and thermodynamic functions wear also studied and found that the adsorption ratio was increased with increased the temperature and the reaction was endothermic. After fixing the best conditions for the adsorption, the column method was used and the adsorption ratio was equal to (88.16%)…”
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