Effect of high temperatures on
Effect of High Temperatures on the Microstructure of Cement Paste
... to high temperatures [25]. Many researchers investigated the effect of high temperatures and rehydration on the mechanical properties of blended cement ...to high ...
16
Numerical simulation of the effect of high temperatures on flexural and splitting strength of plain concrete
... to high temperature that leads to a loss of structural resistance of concrete structures is a matter of high concern in case of concrete reactor vessels, which may be subjected to very high ...
7
Effect of Fiber on Mechanical Properties and Toughness of Self-Compacting Concrete Exposed to High Temperatures
... of high temperatures (200, 300, 400 and 600 ͦ C) on compressive strength, splitting strength, flexural strength and energy absorption capacity or toughness of self-compacting concretes containing steel, ...
14
Effect of high temperatures on sandstone: a computed tomography scan study
... After air drying for two weeks, samples were placed in a Carbolite laboratory chamber furnace for heat treatment, where the rate of the temperature change was set using a built-in temperature controller. Temperature was ...
18
Thermal behavior of ethylene/1-octene copolymer fractions at high temperatures: Effect of hexyl branch content
... a high number of short primary radicals, which undergo successive β-scission reactions and eliminate small molecules ...higher temperatures (T max and T 95% ) another main peak is observed between 11 and 14 ...
12
Effect of Diameter on Bond Failure of Steel Rebar Embedded into Concrete Using Epoxies at High Temperatures
... elevated temperatures, however, a significant decrease of the bond capacity has been reported due to a decrease of the resin’s modulus with an increase of temperature during the glass transition period ...
15
Effect of Boron Active Belite Cement on the Compressive Strength of Concrete Exposed to High Temperatures
... For the production of the concrete samples, modular sand and each cement were mixed. Water gradually was added in preparation of mortar during mixing. For 1 m 3 concrete, the mix proportions of the components were given ...
6
Effect of chemical composition on the electrical conductivity of gneiss at high temperatures and pressures
... at high temperature and pressure can be used to ex- trapolate the mineralogical composition and thermodynamic state in the Earth’s interior (Maumus et ...2017). High conductivity anomalies are widely dis- ...
13
Effect of electrical Conductivity on Emergency Performance of Cables at High Temperatures (J408)
... at high temperatures, Fire & Safety 97 : Fire Protection & Prevention in Nuclear Facilities, 2nd International Conference, London 24 - 26 February 1997 : conference ...
8
Electron Proton Pairing at High Temperatures, Solar Flares, and the FIP Effect
... at temperatures around a few million degrees Kelvin and are known to emit soft X-ray ...different temperatures between 10 6 K and 10 7 K, to see if there is any temper- ature in this range at which our ...
11
THERMAL EXPANSIVITY OF SODIUM CHLORIDE AND MAGNESIUM OXIDE AT HIGH PRESSURES AND HIGH TEMPERATURES
... The effect of temperature on thermal expansivity α is reduced considerably at high ...At high pressures the anharmonic effects in the solid are suppressed considerably so that the thermal expansivity ...
6
Vapour pressures of some inorganic sulphates at high temperatures
... established the fact that, under realizable experimental conditions, the molecular-effusion formula is a suitable expression for the effusion of vapour primarily in the micron and lower-pressure regions. In these regions ...
161
Electromigration of atoms on vicinal surfaces at high temperatures
... 1. Study of the influence of oxidation on adatom movement on the bunched surface of W(110). The surface of W(110) oxidizes at 1300˚C (see Chapter 3.6.2) and it would be interesting to examine the effect of ...
154
Dauer Formation Induced by High Temperatures in Caenorhabditis elegans
... differences from OP50 (data not shown). The possible effect these molecules might contribute or respond to neu- of these differences on C. elegans dauer formation was not ronal activity is not understood, but ...
21
Area Function for Nanoindentation at High Temperatures
... abscissa is number of iterations. When the projected area increased, the calculated nanoindentation hardness decreased according to eq.1. The average nanoindentation hardness of sapphire at 1073K was 13.6 +/- 1.0GPa. The ...
5
Levitation Methods for Structural and Dynamical Studies of Liquids at High Temperatures
... Abstract. In recent years, levitation methods have been increasingly used to study the atomic structure and dynamics of high-temperature liquids, in particular metallic melts. These methods provide a containerless ...
7
Modeling the impact of high temperatures on microalgal viability and photosynthetic activity
... to high temperatures for several ...to high temperatures was, to the best of our knowledge, never ...lethal temperatures? To answer these questions, the objective of this study was to ...
11
Phase studies of inorganic sulphates at high temperatures
... This effect may be explained by supposing that the system is in a metastable state at this temperature, and that the eutectic liquid is formed in order to promote formation of the double salt and hence bring the ...
216
The effect of low and high barn temperatures on behaviour and performance of Holstein dairy cows
... of 0.9–1.4h. The proportion of cows lying down (CCI) should exceed 85% in free stall barns with adequate management (Grant, 2009; Rae, 2012). We found out a considerably lower number of lying cows (CCI = 58 %) which ...
8
Anomalously High Conductivity of Deformed Metals at the Positive Temperatures
... the effect of abnormally high increase their elec- trical conductivity at the room temperatures ...This effect resembled the phenomenon of superconductivity, discovered in 1911 by Dutch ...
6