Calorimetric studies of liquid Al-Li alloys (Journal Article)

@misc{etde_6569392, title = {Calorimetric studies of liquid Al-Li alloys} author = {Moser, Z, Sommer, F, and Predel, B} abstractNote = {The concentration dependence of the enthalpies of mixing of liquid Al-Li alloys have been determined, applying reaction calorimetry, at temperatures of 879 K and 973 K. The temperature dependence of the partial enthalpies at infinite dilution …

CEMENT AND CONCRETE CALORIMETRY

Calorimetry measures the heat generated from the early hydration of cementitious materials. The measurement of the reaction rate in a calorimeter is continuous and in real time, giving visibility into the behavior of cement paste, concrete or …

Calorimetric studies of special cements

2017-8-29 · CALORIMETRIC STUDIF_ OF SPECIAL CEMENTS W. Kurdowski and W. Nocuti-Wczelik Faculty of Material Science and Ceramics, Academy of Mining and Metallurgy, 30-059 Krak6w, al. Mickiewieza 30, Poland Abstract The kinetics and even the mechanism of cement reaction with water can be successfully in- ... In this study this method was applied to follow ...

INIS Repository Search

INIS Repository Search provides online access to one of the world''s largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members.

Tempo de pega inicial e final

Este fenômeno de pega evidencia a interação da fase anidra com a fase parcialmente hidrata das partículas de cimento. Alguns pesquisadores após realizar análises identificaram duas etapas fundamentais, onde, ocorre aglomeração dos grãos de cimento durante os primeiros minutos após a mistura com a água, e a densificação das estruturas coaguladas, simultaneamente à …

Thermal Decomposition Of Solids And Melts

2007-8-24 · Thermal Decomposition Of Solids And Melts. Download and Read Books in PDF The "Thermal Decomposition Of Solids And Melts" book is now available, Get the book in PDF, Epub and Mobi for Free. Also available Magazines, Music and other Services by pressing the "DOWNLOAD" button, create an account and enjoy unlimited.

Calorimetric studies of special cements | SpringerLink

2017-8-29 · ing cements Introduction The calorimetric measurements are used not only in the heat output evalu- ation during the hydration of cement but also in the studies of the hydration …

Calorimetric Studies of Alkali-Activated Blast-Furnace Slag …

However, there are no data on their influence on the initial stages of dispersion-coagulation structure formation, as well as on the thermokinetic characteristics of alkali-activated cements. …

C-S-H seeding activation of Portland and Belite cements: …

Two key advantages of this method are: i) it yields continuous in-situ data related to the microstructural developments without sample treatment; and ii) it needs low amount of sample, in this case ~80 g of the cements. The frequency of the ultrasonic wave was 30 kHz and the distance between the receiver and the transmitter was 40 mm.

Calorimetric Studies of Hydration of Cementitious …

This paper presents results of thermochemical and thermokinetic studies of the hydration of portland cement, alkaline cements with mineral additives and slag alkaline binder. The …

Calorimetric Studies of Heat of Respiration of …

1978-7-1 · Abstract. The construction of an adiabatic microcalorimeter using a rapid-response microthermistor (t ½ a) was in agreement with the heat of combustion of these substrates

24237 PDFs | Review articles in CALORIMETRIC STUDIES

Density functional theory (DFT) and calorimetric studies were developed to study the interaction between BHap and glyphosate (GLY). A strong interaction was found in the experiments through the...

J-GLOBAL

J-GLOBAL is a service based on the concept of Linking, Expanding, and Sparking, linking science and technology information which hitherto stood alone to support the generation of ideas linking the information entered, we provide opportunities to make ...

A calorimetric study of early hydration of alkali-slag cements

1995-8-1 · This study deals with the early hydration features of alkali-slag cements which are activated by the first three groups of alkalies classified above, using a conduction calorimeter. An attempt is made to explain the hydration characteristics of alkali-slag cements under the activation of different activators.

(PDF) Piezoelectric ring actuator technique to monitor …

In the current 12 study, validation of the P-RAT was carried out by comparing VS test results to those of M 13 conventional tests used to evaluate early-age properties of cementitious materials. ... the test specimen to AN 193 the outer chamber was evaluated by a special software program based on the degree of the 194 insulation provided by the ...

Calorimetric study of single-crystal CsFe${}_{2}$As${}_{2}$

2013-6-13 · We measured the resistivity and the specific heat of CsFe 2 As 2 single crystals, which were grown by using a self-flux method. The CsFe 2 As 2 crystal shows a sharp superconducting transition at 1.8 K with a transition width of 0.1 K. The sharp superconducting transition and pronounced jump in specific heat indicate high quality of the crystals.

Calorimetric Studies of Alkali-Activated Blast-Furnace Slag …

The aim of the study was to perform calorimetric studies of hydration processes at the early stages of alkali-activated blast-furnace slag cements in the temperature range of 20–80 °C …

Acces PDF Enthalpy Of Dissolution

2022-10-17 · calorimetric techniques and methods also are illustrated. Chemistry 2e CRC Press Advances in Inorganic Chemistry and Radiochemistry Chemistry, Physics, and Technology Springer From a review of the previous edition: ''For all the pharmacy students out there part of your pharmacy degree will be to study formulation design and pharmaceutics. This ...

(PDF) Calorimetric Studies of Alkali-Activated Blast …

2021-10-7 · PDF | In the hydration process of inorganic cements, the analysis of calorimetric measurements is one of the possible ways to better understand... | Find, read and cite all the research you need ...

Calorimetric studies of the interaction between sodium

2008-3-17 · DOI: 10.1016/j.carres.2007.12.010 Abstract Interactions between the polyelectrolyte sodium alginate (NaAlg) and the anionic surfactant sodium dodecyl sulfate (SDS) have been investigated by microcalorimetric techniques. The polymer-surfactant interactions were observed between NaAlg and SDS at different pH values in dilute solution.

Composite bone cements loaded with a bioactive and …

2014-2-6 · Hyperthermia is a technique for destroying cancer cells which involves the exposition of body''s tissue to a controlled heat, normally between 41℃ and 46℃. It has been reported that ferro- or ferrim...

Materials | Free Full-Text | Modified …

This article is focused on the research and development of new cellulose ether derivatives as innovative superplasticizers for mortar systems. Several synthetic strategies have been pursued to obtain new compounds to study their properties on cementitious systems as new bio-based additives. The new water-soluble admixtures were synthesized using a complex …

Calorimetry of Cement-Based Materials | NIST

2017-6-21 · Chemical and Physical Tests of the Cements, Journal of the American Concrete Institute, Vol. 19 (8), 745-795, 1948. Verbeck, G.J., and Foster, C.W., Long-Time Study of Cement Performance in Concrete with Special Reference to Heats of Hydration, PCA Bulletin 32, 1949. 1950-1959

Calorimetric Studies of Crystallization in Se74te20sn2ge4 …

2022-5-7 · In order to analyze the obtained calorimetric scans, we have determined various kinetic parameters for both hot and cold crystallization events obtained as exothermic peaks during heating and cooling rates in DSC curves. The iso-conversional analysis was done to compare the results of crystallization events in heating/cooling mode.

Differential scanning calorimetric studies of the interaction …

1997-4-22 · Differential scanning calorimetric studies of the interaction of cholesterol with distearoyl and dielaidoyl molecular species of phosphatidylcholine, phosphatidylethanolamine, and phosphatidylserine Authors T P McMullen 1, R N McElhaney Affiliation 1 Department of Biochemistry, University of Alberta, Edmonton, Canada. PMID: 9125520

Conduction calorimetric studies of cements containing 5

1990-3-1 · In anticipation of forthcoming European standards the early hydration behaviour of cements containing 5% mineral additions has been studied at 20°C us…

Results of calorimetric tests for studied cements.

Download scientific diagram | Results of calorimetric tests for studied cements. from publication: The Influence of Temperature on the Hydration Rate of Cements Based on Calorimetric …

Calorimetric Studies of Alkali-Activated Blast-Furnace …

Materials 2021, 14, 5872 2 of 15 analyze the results of calorimetric measurements: the amount of heat released and the rate of heat evolution. Calorimetry of OPC cement is quite well studied [9–12].

Calorimetric Studies of Serum Transferrin and …

This article is cited by 71 publications. Arthur D. Tinoco, Manoj Saxena, Shweta Sharma, Nicholas Noinaj, Yamixa Delgado, Ernesto P. Quiñones González, Steven E. Conklin, Nicole Zambrana, Sergio A. Loza-Rosas, and Timothy B. Parks. Unusual Synergism of Transferrin and Citrate in the Regulation of Ti(IV) Speciation, Transport, and Toxicity.

Top 40 Chemie Der Erde-geochemistry papers published …

2013-11-30 · Explore 40 research articles published in the Journal Chemie Der Erde-geochemistry in the year 2013. The journal publishes majorly in the area(s): Zircon & Chondrite. Over the lifetime, 649 publication(s) have been published …

Calorimetric studies of melanotransferrin (p97) and its …

2005-4-22 · Differential scanning calorimetry thermograms of mTf unfolding in the presence and absence of iron were therefore used to determine the apparent binding constant in the bicarbonate-containing system; at pH 7.5 and 25 degrees C, iron binding occurs in a 1:1 ratio with a K (app) of 4.4 x 10 (17) M (-1).

(PDF) Conduction calorimetric studies of ternary …

2013-11-1 · Conduction calorimetric technique was used to follow the hydration during 100 h. The XRD and FTIR techniques were used as support in the analysis of the hydration products. The results have shown...

Spectroscopic and calorimetric studies of the complexing …

The calorimetric data for the first complex, [Cu (HL)] 2+ (L refers to the repeating monoanionic unit of the polymer), reveal that –Δ H⊖ is independent of pH but only an approximate value can be obtained because of the small amount of this species formed.

Calorimetric studies of the growth of anaerobic microbes.

2016-9-1 · This study demonstrated that isopropanol-butanol-ethanol fermentation ability of Clostridium beijerinckii and cellulosic biomass degrading ability of C. cellulovorans was able to grow even in the medium containing 0.05% limonene and degraded 85% of total sugar from mandarin peel and strained lees without any pretreatment. Expand 30

24237 PDFs | Review articles in CALORIMETRIC STUDIES

Explore the latest full-text research PDFs, articles, conference papers, preprints and more on CALORIMETRIC STUDIES. Find methods information, sources, references or conduct a literature review on ...

Calorimetry in the studies of cement hydration | SpringerLink

2009-6-19 · The estimated composition of calcium aluminate cement was: CA + C 12 A 7 ≈ 70%; C 4 AF + C 2 AS ≈ 30%. Studies of Portland cement–calcium aluminate cement mixtures …

Calorimetric Studies of Solvates of C60 and C70 with …

The solvates were characterized by composition and by the temperature and the enthalpy of the incongruent melting transition. Enthalpies of solution of C60in toluene, 1,2-dimethylbenzene, 1,2- and 1,3-dichlorobenzene, and 1,2,4-trimethylbenzene and of C70in 1,2-dimethylbenzene and in 1,2- and 1,3-dichlorobenzene were determined.

Peer-Reviewed Publications

Peer-Reviewed Publications. When evaluating new bioactive glass compositions for their suitability as a biomaterial, one of the first steps is the study of their behavior in contact with aqueous solutions. This publication is part of a special …

Calorimetric study of calcium aluminate cement blended …

2009-6-19 · The maximum heat release rates of pastes with 20%, 30% and 40% FGD gypsum are 4.77, 4.26, 4.06 W kg −1 respectively, and the corresponding times are all at 3.6 h around. …

Calorimetric studies of the in vitro polymerization of brain …

2016-10-3 · The enthalpy change for chain propagation in the polymerization of bovine tubulin has been studied directly by stopped-flow microcalorimetry at 17 degrees and 25 degrees, and found to be 0 +/- 1 kcal per mol of 6S tubulin dimer at both temperatures.

Special Cements | Engineering360

2022-9-30 · Some special cements can also be used in acids. Special cements such as silicate cement have a very high setting rate. Barium and strontium cements are resistant to radioactive radiations. The different types of special cements are high alumina cement, sorel cement, silicate cement, waterproof cement, high early strength cement, barsium, and ...