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Page "Marshall Space Flight Center" ¶ 11
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nucleus and for
Though it did not become known to the writer for some time, a nucleus group had sprung up within the class.
This led to the conclusion ( Moseley's law ) that the atomic number does closely correspond ( with an offset of one unit for K-lines, in Moseley's work ) to the calculated electric charge of the nucleus, i. e. the proton number Z.
All other nuclides ( isotopes of hydrogen and all other elements ) have more nucleons than electrons, so the fraction of mass taken by the nucleus is closer to 100 % for all of these types of atoms, than for hydrogen-1 .</ ref > with protons and neutrons having roughly equal mass.
The protons and neutrons, in turn, are held to each other in the nucleus by the nuclear force, which is a residuum of the strong force that has somewhat different range-properties ( see the article on the nuclear force for more ).
The binding energy needed for a nucleon to escape the nucleus, for various isotopes | deadurl = no
# the hydrogen-like atomic orbitals are derived from the exact solution of the Schrödinger Equation for one electron and a nucleus.
However, the idea that electrons might revolve around a compact nucleus with definite angular momentum was convincingly argued at least 19 years earlier by Niels Bohr, and the Japanese physicist Hantaro Nagaoka published an orbit-based hypothesis for electronic behavior as early as 1904.
Gamow solved a model potential for the nucleus and derived, from first principles, a relationship between the half-life of the decay, and the energy of the emission, which had been previously discovered empirically, and was known as the Geiger – Nuttall law.
The reverse reaction ( in free space, without an atomic nucleus ) is also impossible for this reason.
Although he uses the terms interchangeably, remarks that, for example, the final glides of English par and buy differ from French par (' through ') and baille (' tub ') in that, in the latter pair, the approximants appear in the syllable coda, whereas, in the former, they appear in the syllable nucleus.
Bohr, Mottelson and Rainwater were jointly awarded the 1975 Nobel Prize in Physics " for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection ".
Many studies now indicate that chronic treatment with antipsychotics affects the brain at a structural level, for example increasing the volume of the basal ganglia ( especially the caudate nucleus ), and reducing cortical grey matter volume in different brain areas.
The cerebral cortex is a group of tight, dense, " gray matter " composed of the nucleus of the neurons whose axons then form the " white matter ", and is responsible for perception, relay of the sensory input ( sensation ) via the thalamic pathway, and most importantly directly or indirectly in charge of all the neurological functions, from simple reflexes to complex thinking.
HeLa cells stained for the cell nucleus DNA with the Blue Hoechst stain | Hoechst dye.
Therefore, the necessity of the sperm nucleus for fertilization was discussed for quite some time.
Some proteins that are made in the cytoplasm contain structural features that target them for transport into mitochondria or the nucleus.
In cells with a nucleus ( eukaryotes ), the cell cycle can be divided in two periods: interphase — during which the cell grows, accumulating nutrients needed for mitosis and duplicating its DNA — and the mitosis ( M ) phase, during which the cell splits itself into two distinct cells, often called " daughter cells " and the final phase, cytokinesis, where the new cell is completely divided.
However, in general, the state is viewed as a positive location for corporate tax purposes because favorable laws of incorporation allow companies to minimize the corporate expenditures ( achieved through legal standardization of corporate legal processes ), creating a nucleus in Delaware with operating companies often in other states.
If the chemistry is right, the organism ( or fragment of organism ) can act as a nucleus for the precipitation of minerals such as siderite, resulting in a nodule forming around it.
This group became the nucleus of the forces that were in armed insurrection against the government for the next 36 years.
The standard model for an active galactic nucleus is based upon an accretion disc that forms around a supermassive black hole ( SMBH ) at the core region.
Since quarks make up the baryons and the mesons, and the strong interaction takes place between baryons and mesons, one could say that the color force is the source of the strong interaction, or that the strong interaction is like a residual color force that extends beyond the baryons, for example when protons and neutrons are bound together in a nucleus.

nucleus and forming
* August 22 – Twenty-three Jewish refugees from Brazil settle in New Amsterdam, forming the nucleus of what will be the second largest urban Jewish community in history, that of New York City.
Bonobo females also engage in female – female genital behavior, possibly to bond socially with each other, thus forming a female nucleus of bonobo society.
In the human pathogenic genus Cryptococcus, 4 nuclei following meiosis remain in the basidium but continually divide mitotically, each nucleus migrating into synchronously forming nonballistic basidiospores that are then pushed upwards by another set forming below them, resulting in 4 parallel chains of dry " basidiospores ".
When the convention rejected a pro-proviso plank and selected Lewis Cass as the nominee, the Barnburners again bolted and were the nucleus of forming the Free Soil Party.
Royal apartments were built, forming the nucleus of the later palace block, and a Great Hall was in existence by 1458.
In the process of electron capture, one of the orbital electrons, usually from the K or L electron shell ( K-electron capture, also K-capture, or L-electron capture, L-capture ), is captured by a proton in the nucleus, forming a neutron and an electron neutrino.
It argues that the stimulus for forming tribal polities was perpetuated by a small nucleus of people, known as the Traditionskern (" kernel of tradition "), who were a military or aristocratic elite.
The post was declared surplus in 1947 and sold to civilians, forming the nucleus for a city that was incorporated in 1949.
In the 18th century, Captain Stephen Jenks built a trip hammer and blacksmith shop along the Blackstone River, forming the nucleus of what would eventually become Central Falls.
decided to make that locality their place of future abode, hoping that they were thus forming a nucleus around which their countrymen in
Soon after, the city fell to the crusaders, forming the nucleus of the County of Tripoli.
Parallel to the foundation of Mannheim in 1606, a fortress ( die Rheinschanze ) was built by Frederick IV, Elector Palatine, on the other side of the River Rhine to protect the City of Mannheim, thus forming the nucleus of the city of Ludwigshafen itself.
Primary sensory neurons project ( synapse ) onto “ second order ” or relay visceral sensory neurons located in the medulla oblongata, forming the nucleus of the solitary tract ( nTS ), that integrates all visceral information.
Preganglionic parasympathetic neurons are in the medulla oblongata ( forming visceral motor nuclei: the dorsal motor nucleus of the vagus nerve ( dmnX ), the nucleus ambiguus, and salivatory nuclei ) and in the sacral spinal cord.
He developed very close relationships with painter Salvador Dalí and poet Federico García Lorca, among other important Spanish creative artists living in the Residencia de Estudiantes, with the three friends forming the nucleus of the Spanish Surrealist avant-garde, and becoming known as members of " La Generacion del 27 ".
If a hypothetical nucleus is too small, the energy that would be released by forming its volume is not enough to create its surface, and nucleation does not proceed.
Neutron stars are somewhat like black holes, but are not heavy enough to collapse completely, instead forming into a material rather like that of an atomic nucleus ( sometimes informally called neutronium ).
The compatible nuclei of the dikaryon merge forming a diploid nucleus that then undergoes meiosis and ultimately internal ascospore formation.
Both onset and coda may be empty, forming a vowel-only syllable, or alternatively, the nucleus can be occupied by a syllabic consonant.
The electrically neutral muonic tritium atom ( t-μ )< sup > 0 </ sup > thus formed will act somewhat like an even " fatter, heavier neutron ," but it will most likely hang on to its muon, eventually forming a muonic molecular ion, most likely due to the resonant formation of a hyperfine molecular state within an entire deuterium molecule D < sub > 2 </ sub > ( d = e < sup > 2 </ sup >= d ), with the muonic molecular ion acting as a " fatter, heavier nucleus " of the " fatter, heavier " neutral " muonic / electronic " deuterium molecule (
In nuclear physics a superdeformed nucleus is a nucleus that is very far from spherical, forming an ellipsoid with axes in ratios of approximately 2: 1: 1.

0.140 seconds.