There is currently no explanation of why the corona has the temperature and density it has. We present a model which explains how the dynamics of magnetic reconnection regulates the conditions in the corona. A bifurcation in magnetic reconnection at a critical state enforces an upper bound on the coronal temperature for a given density. We present observational evidence from 107 flares in 37 su...

This study investigates the possibility of corona discharge ionization technique for reduction of fog. For corona discharge ionization a high voltage power supply is designed and developed indigenously. The high output voltage is developed by using isolation transformer, autotransformer, and high voltage neon transformer and it is converted into DC voltage by using Wheatstone bridge circuit and...

Multi-atmospheric pressure, pulsed electric discharge excited lasers require pre-ionization to produce spatially uniform glows. Many such systems use corona bars to produce ultraviolet (UV) and vacuum ultraviolet (VUV) light as photo-ionization sources for this purpose. Corona bars are transient surface discharges, typically in a cylindrical geometry, that sustain high electron temperatures and...

A protein corona forms spontaneously around silica nanoparticles (SNPs) in serum-containing media. To test whether this protein corona can be utilized for the loading and release of anticancer drugs we incorporated the hydrophilic doxorubicin, the hydrophobic meloxicam as well as their combination in the corona around SNPs. The application of corona-covered SNPs to osteosarcoma cells revealed t...

We study an accretion disc with a hot continuous corona. We assume that the corona itself accretes and therefore it is powered directly by the release of the gravitational energy and cooled by radiative interaction with the disc. We consider the vertical structure of such a corona and show that the radial infall is accompanied by strong vertical outtow. Such a model has two important consequenc...

Consider a configuration of pebbles distributed on the vertices of a connected graph of order n. A pebbling step consists of removing two pebbles from a given vertex and placing one pebble on an adjacent vertex. A distribution of pebbles on a graph is called solvable if it is possible to place a pebble on any given vertex using a sequence of pebbling steps. The pebbling number of a graph, denot...

The Molecular Distance Geometry Problem (MDGP) consists in finding an embedding in R of a nonnegatively weighted simple undirected graph with the property that the Euclidean distances between embedded adjacent vertices must be the same as the corresponding edge weights. The Discretizable Molecular Distance Geometry Problem (DMDGP) is a particular subset of the MDGP which can be solved using a d...

Let j and k be nonnegative integers. An L(j, k)-labeling of a graph G, where j ≥ k, is a function f : V (G) → Z ∪ {0} such that if u and v are adjacent vertices in G, then |f(u) − f(v)| ≥ j, while if u and v are vertices such that d(u, v) = 2, then |f(u) − f(v)| ≥ k. The largest label used by f is the span of f . The smallest span among all L(j, k)-labelings f of G, denoted λj,k(G), is called t...

Quoted from Expanded Maxwellian Geometry of Space http://pages.globetrotter.net/srp/geomax2a.htm 4 edition, 2009, SRP Books Abstract: It can be shown that positron production and nucleosynthesis in the corona could be much more extensive than assumed from current theories. It can be shown also that there is a possibility that the extreme temperatures observed in the corona may be due to nucleon...