Classifying organic materials by oxygen-to
... soluble activation behavior, consistent with its high O : C ratio. For α-pinene-derived SOM, although CCN activation can be modeled as a highly soluble mechanism, this behavior was not predicted by the O : C ratio, for which a slightly soluble mechanism was anticipated. Complexity in chemical compos ...
... soluble activation behavior, consistent with its high O : C ratio. For α-pinene-derived SOM, although CCN activation can be modeled as a highly soluble mechanism, this behavior was not predicted by the O : C ratio, for which a slightly soluble mechanism was anticipated. Complexity in chemical compos ...
IOSR Journal of Applied Physics (IOSR-JAP)
... T. Prasanyaa and M. Haris, Growth and characterization of semiorganic NLO L-arginine trifluoroacetate (LATF) added KDP single crystals, Archives of Physics Research, 2 (4), 2011, 60-66. M. Iyanar, J. Thomas Joseph Prakash , C. Muthamizhchelvan and S. Ponnusamy, Synthesis, Growth, and Characterizatio ...
... T. Prasanyaa and M. Haris, Growth and characterization of semiorganic NLO L-arginine trifluoroacetate (LATF) added KDP single crystals, Archives of Physics Research, 2 (4), 2011, 60-66. M. Iyanar, J. Thomas Joseph Prakash , C. Muthamizhchelvan and S. Ponnusamy, Synthesis, Growth, and Characterizatio ...
Kinetics of crystal nucleation in ionic solutions
... thermodynamic driving force (supersaturation) and constant ionic strength depending on the salt present in solution. The relative inversion in the effect of respective background ions on the characteristics of barite precipitate was observed between two studied supersaturation (X) and ionic strength ...
... thermodynamic driving force (supersaturation) and constant ionic strength depending on the salt present in solution. The relative inversion in the effect of respective background ions on the characteristics of barite precipitate was observed between two studied supersaturation (X) and ionic strength ...
Solidification kinetics in undercooled pure iron and iron
... general, dendritic solidification in undercooled melts is mainly governed by nucleation and crystal growth. Namely the interfacial energy, the interfacial mobility and the crystal anisotropy are key factors for dendrite growth kinetics and dendritic morphology which will be investigated in the prese ...
... general, dendritic solidification in undercooled melts is mainly governed by nucleation and crystal growth. Namely the interfacial energy, the interfacial mobility and the crystal anisotropy are key factors for dendrite growth kinetics and dendritic morphology which will be investigated in the prese ...
Modeling the Formation of Clouds in Brown Dwarf Atmospheres
... (since the initial condensation of vapor into embryonic particles in general requires at least a modest level of supersaturation). However, particles can settle into the region between S ¼ 1 and S ¼ 1 þ Smax once they have formed and yet still be thermodynamically stable. Since it depends on a balan ...
... (since the initial condensation of vapor into embryonic particles in general requires at least a modest level of supersaturation). However, particles can settle into the region between S ¼ 1 and S ¼ 1 þ Smax once they have formed and yet still be thermodynamically stable. Since it depends on a balan ...
growth and characterization of methyl orange doped kap
... lasers and high power systems therefore many researcher and scientists tried to grow the single crystal of various materials with high thermal stability and still searching good one. Hence TG/DTA analysis was carried out to check the thermal stability of the Undoped and Methyl Orange doped KAP cryst ...
... lasers and high power systems therefore many researcher and scientists tried to grow the single crystal of various materials with high thermal stability and still searching good one. Hence TG/DTA analysis was carried out to check the thermal stability of the Undoped and Methyl Orange doped KAP cryst ...
Introduction to Food Freezing.ppt
... the food therefore provides the latent heat of vaporization or sublimation of the cryogen. The cryogen is in intimate contact with the food and rapidly removes heat from all surfaces of the food to produce high heat transfer coefficients and rapid freezing. The two most common refrigerants are liqui ...
... the food therefore provides the latent heat of vaporization or sublimation of the cryogen. The cryogen is in intimate contact with the food and rapidly removes heat from all surfaces of the food to produce high heat transfer coefficients and rapid freezing. The two most common refrigerants are liqui ...
The study of the pre-exponential factor and activation energy in
... other appears when carbon black particles are large. Due to different thermal expansion of the matrix and the filler the contact between particles disappears and tunneling sets up. The combination of these two mechanisms (change of tunnel junction width induced by thermal expansion) has been propose ...
... other appears when carbon black particles are large. Due to different thermal expansion of the matrix and the filler the contact between particles disappears and tunneling sets up. The combination of these two mechanisms (change of tunnel junction width induced by thermal expansion) has been propose ...
Volatility of Organic Aerosol: Evaporation of Ammonium Sulfate
... droplets containing succinic acid (HOOC(CH2)2COOH) and NaCl and found that the experimentally determined evaporation rate of the particles was lower than theoretically expected if NaCl did not directly affect the equilibrium vapor pressure of succinic acid. They concluded that the presence of NaCl in ...
... droplets containing succinic acid (HOOC(CH2)2COOH) and NaCl and found that the experimentally determined evaporation rate of the particles was lower than theoretically expected if NaCl did not directly affect the equilibrium vapor pressure of succinic acid. They concluded that the presence of NaCl in ...
Solidification in heat packs: I. Nucleation rate
... ‘‘molecule.’’ For example, cluster A containing n y 1 molecules Ž A ny1 . can change to A n , A nq1 , . . . , as shown in Figure 3. The molecular attachment rate, f, and the molecular detachment rate, b, vary with the size of the cluster ŽFarkas, 1927.. Changes in size by more than one molecule at a ...
... ‘‘molecule.’’ For example, cluster A containing n y 1 molecules Ž A ny1 . can change to A n , A nq1 , . . . , as shown in Figure 3. The molecular attachment rate, f, and the molecular detachment rate, b, vary with the size of the cluster ŽFarkas, 1927.. Changes in size by more than one molecule at a ...
vapor phase transport vpc materials synthesis, crystal growth
... Wire morphology and XRD at varying InGaN composition. a, SEM images of the nanowire morphology, with increasing In concentration from images 1 to 13. The wire morphology changes most noticeably in 10–11 from the smaller to larger wires at around 75–90% In. b, 100, 002 and 101 XRD peaks from left to ...
... Wire morphology and XRD at varying InGaN composition. a, SEM images of the nanowire morphology, with increasing In concentration from images 1 to 13. The wire morphology changes most noticeably in 10–11 from the smaller to larger wires at around 75–90% In. b, 100, 002 and 101 XRD peaks from left to ...
How do we distinguish substances?
... transition lines not only define the specific temperature and pressure at which a phase change will occur but they also specify the conditions under which the two phases can simultaneously exist as stable phases. It is common to say that the two phases coexist or are in equilibrium with each other u ...
... transition lines not only define the specific temperature and pressure at which a phase change will occur but they also specify the conditions under which the two phases can simultaneously exist as stable phases. It is common to say that the two phases coexist or are in equilibrium with each other u ...
High temperature structural and magnetic properties of cobalt
... 3.2. High temperature structural and chemical modification. In order to follow the structural modifications of the nanowires when they are heated up, in-situ X-ray diffraction have been performed on Co nanowires for different temperatures ranging from 298 K up to 623 K. Ex-situ TEM analyses have al ...
... 3.2. High temperature structural and chemical modification. In order to follow the structural modifications of the nanowires when they are heated up, in-situ X-ray diffraction have been performed on Co nanowires for different temperatures ranging from 298 K up to 623 K. Ex-situ TEM analyses have al ...
Notes Sheet - mychemcourse
... mass of the sample in grams is numerically equal to the atomic mass of the element. Scientists have discovered that this mass of an element contains 6.02 x 1023 atoms of that element. This number is called Avogadro’s number. Avogadro’s number of particles is called a mole of particles. The mole is t ...
... mass of the sample in grams is numerically equal to the atomic mass of the element. Scientists have discovered that this mass of an element contains 6.02 x 1023 atoms of that element. This number is called Avogadro’s number. Avogadro’s number of particles is called a mole of particles. The mole is t ...
Microwave Synthesis of Cuprous Oxide Micro
... tures and morphologies of the particles were determined by scanning electron microscopy (SEM, Hitachi S-4300). The samples were coated with gold to improve the conductivity during SEM observation. The specific surface area of the particles was determined by an automated surface area and pore size an ...
... tures and morphologies of the particles were determined by scanning electron microscopy (SEM, Hitachi S-4300). The samples were coated with gold to improve the conductivity during SEM observation. The specific surface area of the particles was determined by an automated surface area and pore size an ...
A single parameter representation of hygroscopic
... activity expressions in Eq. (8), which can be seen by converting moles to volume and gathering all of the compositiondependent variables into the single parameter κ, here assumed not to vary with particle water content. However, no distinction is made between the soluble and insoluble portions of th ...
... activity expressions in Eq. (8), which can be seen by converting moles to volume and gathering all of the compositiondependent variables into the single parameter κ, here assumed not to vary with particle water content. However, no distinction is made between the soluble and insoluble portions of th ...
IOSR Journal of Applied Physics (IOSRJAP)
... Abstract: Good optical quality single crystals of pure and doped L-Alaninium Maleate (LAM) crystals have been grown. The crystals have been grown by slow evaporation method at a constant temperature of 35˚C from its aqueous solution. The grown single crystals of pure and doped LAM were characterized ...
... Abstract: Good optical quality single crystals of pure and doped L-Alaninium Maleate (LAM) crystals have been grown. The crystals have been grown by slow evaporation method at a constant temperature of 35˚C from its aqueous solution. The grown single crystals of pure and doped LAM were characterized ...
Interaction of Charged Colloidal Particles at the Air–Water Interface
... We studied the interaction force between colloidal particles trapped at an air−water interface. The high electrostatic free energy penalty of exposing charged groups to the low dielectric environment prevents ionization of these groups inside either air or oil. Therefore, only the surface groups whi ...
... We studied the interaction force between colloidal particles trapped at an air−water interface. The high electrostatic free energy penalty of exposing charged groups to the low dielectric environment prevents ionization of these groups inside either air or oil. Therefore, only the surface groups whi ...
Solution-Solubility-Equilibrium
... complete reaction was assumed. That chemical reactions proceed completely from reactants to products was sufficient to satisfy a limited perspective of reactions. To this point, Collision Theory, as an explanation for reactions, was restricted to the consideration of collisions among reactant partic ...
... complete reaction was assumed. That chemical reactions proceed completely from reactants to products was sufficient to satisfy a limited perspective of reactions. To this point, Collision Theory, as an explanation for reactions, was restricted to the consideration of collisions among reactant partic ...
Chemical fractionation at environmental interfaces
... the species are homogeneously mixed. More broadly, gradients in not only the chemical composition but also in physicochemical properties such as dielectric constant and density are present across the interface, with the boundary values being those of the two phases the interface connects. The thickn ...
... the species are homogeneously mixed. More broadly, gradients in not only the chemical composition but also in physicochemical properties such as dielectric constant and density are present across the interface, with the boundary values being those of the two phases the interface connects. The thickn ...
Effect of microwave preheating on the bonding performance of flip
... polymers. But if the preheating time in MW oven is just enough to initiate polymerization volumetrically then additional thermal heat is required to reach the desired cure point. This can be observed in Fig. 4. With MW preheating time of 2 s at 80 W, even the final bonding at 160 C produces a very l ...
... polymers. But if the preheating time in MW oven is just enough to initiate polymerization volumetrically then additional thermal heat is required to reach the desired cure point. This can be observed in Fig. 4. With MW preheating time of 2 s at 80 W, even the final bonding at 160 C produces a very l ...
The Potential Contribution of Organic Salts to New
... two system types: the first addresses the relative importance of amines vs. ammonia in forming organic salts; the second evaluates the decrease in volatility of acids and bases due to the formation of organic salts. The focus of this work is primarily on organic salt formation from low-MW acids and ...
... two system types: the first addresses the relative importance of amines vs. ammonia in forming organic salts; the second evaluates the decrease in volatility of acids and bases due to the formation of organic salts. The focus of this work is primarily on organic salt formation from low-MW acids and ...
Proton Disorder and the Dielectric Constant of Type II Clathrate
... It has been known for many decades that the most stable structure of ice under ambient conditions has a residual entropy at low temperatures of approximately S = NkB ln 3 / 2. The residual entropy in the Ih ice structure was first rationalized in a mean-field sense by Pauling,28 who showed that the ...
... It has been known for many decades that the most stable structure of ice under ambient conditions has a residual entropy at low temperatures of approximately S = NkB ln 3 / 2. The residual entropy in the Ih ice structure was first rationalized in a mean-field sense by Pauling,28 who showed that the ...
Determination of Complete Melting and Surface Premelting
... temperature. Accordingly, the total kinetic energy (Ek) of the atoms in the NPs is obtained via the equipartition theorem. The NPs were then equilibrated for 20 ps at each temperature, which was long enough to dampen the fluctuations in temperature. Consequently, the NPs reached the desired temperatu ...
... temperature. Accordingly, the total kinetic energy (Ek) of the atoms in the NPs is obtained via the equipartition theorem. The NPs were then equilibrated for 20 ps at each temperature, which was long enough to dampen the fluctuations in temperature. Consequently, the NPs reached the desired temperatu ...
Effect of potassium nitrate on the optical and structural properties
... water and stirred well for about 12 h. This was then filtered to remove suspended impurities and allowed to crystallize. Seed crystals were formed due to spontaneous nucleation. Optically transparent and ...
... water and stirred well for about 12 h. This was then filtered to remove suspended impurities and allowed to crystallize. Seed crystals were formed due to spontaneous nucleation. Optically transparent and ...