It is demonstrated that both the Matusita equation and its modified expression are only valid to estimate the activation energy associated with the crystallization that occurs on heating, but are inapplicable for the melt crystallization that occurs on cooling. It is suggested that the isoconversional...
where ur, uφ, uz are unit vectors of the cylindrical reference frame. The heat diffusion equation obtained from the energy balance applied to a differential element is (4.11)1r∂∂rkr∂T∂r+1r2∂∂ϕk∂T∂ϕ+∂∂zk∂T∂z+q.v=ρcp∂T∂t. 4.3.3 Spherical co...
Another strategy was proposed by Jarungthammachote & Dutta (2007) [84] and takes two steps to find the solution. In first step an initial temperature is assumed to solve the set of mass balance and equilibrium reactions equations by Newton-Raphson method. In the next step, the energy ...
Radioactive isotopes have unstable nuclei, where the binding energy keeping the protons and neutrons tightly locked together is not quite strong enough to hold permanently. Imagine a ball sitting at the peak of a hill; a light touch will send it rolling down, as if to a state of lower ener...
This happens when the imaginary part of the potential (decay rate) is much smaller than the mass and binding energy of respectively a heavy quark and a heavy-quark bound state.1 However, the imaginary part of the potential can be used to compute spectral functions of in-medium quarkonia or...
What is the balanced equation for the oxidation of magnesium solid metal to an ion in water. What is the name of the ionic compound BaCO3? What is an ionic melt? What is the name for the ionic compound K2O? What types of elements are involved in ionic bonding? What is produced through...
However, special models of the planet show that habitable zones exist among mid-latitude ice. It's estimated that, with Sun exposure, dense dusty snow can heat up and melt into pockets of water up to a few feet beneath the surface where it's protected from the planet's harsh atmosphere....
In this second part of our updated gold price framework we take a deep dive into the true energy exposure of gold mining companies. We find that gold miners are not just exposed to significant direct energy costs such as fuels and power; their indirect e
68,69 These findings are rationalized using the self-concentration concept of Lodge and McLeish70 which takes into account that the chain connectivity leads to an enhanced probability to find a segment of the same chain close to a given segment. The volume of influence approximately has the ...
The electric eel has always been noted for its impressive ability to shock and subdue its prey. It's recently become clear that electric eels also use a clever trick to deliver an intense, Taser-like jolt to potential predators: they leap from the water to target threatening animals, humans...