Search results for "Resonance structure" - New World Encyclopedia

is possible to calculate the electronic structure, energy levels, bond angles ... == Resonance == [[Image:benzene_resonance.png|200px|right|thumb|A molecule ...

Owing to their resonance stabilization, amides are relatively unreactive ... that acetamide is represented by resonance structure A for 62 percent and ...

groups present and of the general structure. ==Organic nomenclature== ... by a specific composition and connected structure of the constituent atoms ...

conjugate base using inductive effects or resonance effects. ... The acidity of a carboxylic acid can also be explained by resonance ...

cal_structure.png|101px|Chemical structure of cytosine]] ... with guanine. From the point of view of structure, it is remarkable that ...

by Michael Faraday in 1826. The structure of two fused benzene rings ... === Structure === As noted above, a naphthalene molecule is composed ...

forces acting within the crystal structure) is large enough that the ... can have more than one valid Lewis Dot Structure (LDS). In an LDS diagram ...

== Structure == [[Image:carbenes.png|frame|right|The orbital distribution ... They differ in structure based on the distribution of electrons in ...

alkane (pKa ≈ 50). This is due to resonance stabilization of the enolate ... * Electrophilic addition, reaction with an electrophile gives a resonance ...

is different from that of ions of similar structure. The first organic free ... bonded atoms is affected by the structure of the molecule as a whole ...

! | Structure |- | Molecular shape | tetrahedral |- | Dipole moment ... A cyclosilane is a silane with a ring structure, just as a cycloalkane ...

containing carbon) that contain a ring structure containing atoms in addition ... Uracil undergoes keto-enol tautomeric shifts because of its resonance ...

nuclear propulsion systems, magnetic resonance imaging (MRI), and positron ... form, which has a hexagonal, close-packed structure. When heated to 1508 Kelvin ...

* Fluorescence has been used to study the structure and conformations ... near-field dipole-dipole interaction (or resonance energy transfer), internal ...

by introducing a forcing function into a structure, usually with some type ... damper model. Indeed, even a complex structure such as an automobile body ...

imaging methods including ultrasound, Magnetic Resonance Imaging/Magnetic Resonance Angiography, Computed Tomography/CT-Angiography, which display anatomic ...

The dizi has a very simple structure, with one blowhole, six finger ... as bamboo. The dizi has a very simple structure: one blowhole, one membrane ...

the nerve when it passes through a narrow structure. The damage slows or prevents ... Barbaro, and C. T. Chin, "Magnetic resonance neurography in extraspinal ...

===Internal structure: core, mantle and crust=== [[Image:Mercury inside ... can be used to infer details of its inner structure. While the Earth's ...

envelop part of the host tree or building structure with their roots, giving ... * Athreya, V. r. 1997. [http://www.ias.ac.in/resonance/July1997/pdf/July199 ...

Some types of quartz have a "macrocrystalline" structure ... Quartz has a hexagonal crystal structure made of trigonal crystals ...

moment and can be represented by three resonance structures: ... The leftmost resonance form is the most important. Nitrogen is isoelectronic ...

[[Image:Quark structure proton.svg|thumb|200px|A proton is an example of a hadron. It is composed of two up quarks (u) and one down quark (d).]] ...

elements in a compound, determining the structure of a compound by observing ... Ions may also be ejected by the resonance excitation method, whereby ...

PET scans are increasingly read alongside CT or magnetic resonance ... x-ray computed tomography (CT), magnetic resonance imaging (MRI) and functional ...

| [[Image:Trimethylamine chemical structure.png|75px|trimethylamine ... | [[Image:Carboxylate-resonance-hybrid.png|75px|Carboxylate]] ...

in terms of what is called "resonance stabilization" of the conjugate base. ===Synthesis=== There are several methods for preparing ...

Unlike ceramics, where the crystal structure of the material creates ... frequency of the motor. Using the resonance effect, a much lower voltage ...

* The attached shock wave is a classic structure in aerodynamics because ... separation and the shock interact in a resonance condition, causing resonating ...

in turn is bound to an oxygen atom. The structure may be conceptualized as ... are possible, and if the mechanical structure of the engine is not properly ...

(C6H6) were mystified about its molecular structure. They knew that each molecule ... (1821-1895), had posited a cyclic structure for benzene in a booklet ...

can reveal details about the inner structure of the medium. The most ... and many internal organs, their size, structure and any pathological lesions ...

in semiconductor particles, surface plasmon resonance in some metal particles and superparamagnetism in magnetic materials. The properties of ...

more power within an improved cost structure as the machines are made larger. ... * Geller, R. 1996. Electron Cyclotron Resonance Ion Sources and ECR ...

Wilkins were instrumental in solving the structure of DNA and suggesting its ... include energy storage and providing structure. Sugars form a subset of ...

and a difference in its electronic structure due to the axial or equatorial ... * Resonance structure == Notes == == References == * Brown, Jr., Theodore ...

assemble." The first use of the term structure was c.1440. ... the individual structural elements of a structure, for example the beams ...

are routinely used in nuclear magnetic resonance (NMR) spectroscopy, because ... The nuclear magnetic resonance (NMR) frequency of deuterium is significantly ...

===Social structure, reproductive behavior and life cycle=== ... vocalizations from the giraffe; Helmholtz resonance in biology]. Animal Voice ...

human brain is the most complex living structure known, neurologists have ... encompasses the scientific study of the structure, function, and development ...

Pluto orbits in a 3:2 orbital resonance with Neptune. When Neptune ... number of these also have a 3:2 orbital resonance with Neptune. TNOs with ...

cranium (skull) of vertebrates; a related structure is also present in some ... from fish to mammals, the cerebrum (a structure within the forebrain) increases ...

contributions to crystal and protein structure determination, and was ... and Irving Langmuir on the electronic structure of atoms and their bonding ...

! | Structure |- | Coordinationgeometry | ? |- | Crystal structure | trigonal |- ! | Hazards |- | MSDS ...

with sufficient accuracy to probe the structure of the target nucleus. ... * (e,e') is useful for probing the interior structure. Since ...

elements characterize African rhythmic structure: an equal pulse base, a ... rhythm are interwoven within this dense structure of various instrumental ...

| Section3 = {{Chembox Structure | Dipole = 3.96 D }} | Section7 = {{Chembox Hazards | ExternalMSDS = [http://ptcl.chem.ox.ac.uk/MSDS/ME/methyl_sulfoxide ...

discovered the rings to have an intricate structure of thousands of thin gaps ... that appear to be braided in a complex structure, the outer two rings consisting ...

about an axis, even as its supporting structure is moved into different ... at a rate convenient to the mechanical resonance of the system, thus ensuring ...

are effectively shielded by their structure and air, which easily exceeds ... modern proposal is to use a two-to-one resonance orbit that alternately ...

== Structure of choirs == Choirs are often led by a conductor or choirmaster ... and that it eliminates sectional resonance, which lessens the effective ...

in medicine (nuclear medicine, magnetic resonance imaging), materials engineering ... indication that the atom had internal structure. At the turn of the twentieth ...

According to Aristotle, "The structure of the best tragedy should ... for it to have meaning and emotional resonance. Another reason that the ...

this problem is motivated by the unusual structure of the active site of the ... is 24.7 kJ/mol in ammonia, and the resonance frequency is 23.79 GHz ...

energy levels, since it has no internal structure) that convinced most physicists ... This is the basis of fluorescence resonance energy transfer, which ...

The harp is a stringed musical instrument that has a number of individual strings running at an angle to its soundboard; the strings are plucked ...

magnetosphere is the largest planetary structure in the solar system. ... System) form a pattern known as a Laplace resonance; for every four orbits ...

calligraphy style has been based on rigid structure that has changed very little ... into works which have as much resonance with contemporary painting ...

us to obtain an insight into the ultimate structure of the scattering substance ... lower states only after a certain period (resonance lifetime). The result of ...

at room temperature and pressure. The chemical structure of orthophosphoric acid is shown in the data table. Orthophosphoric acid is a very polar ...

many cultures which also rely upon this basic structure. are used to 'map' the structure of other sets of relationships; ...

This is the frequency at which resonance occurs in an LC circuit. ... Most capacitors are designed to maintain a fixed physical structure ...

! | Structure |- | Molecular shape | bent |- | Dipole moment ... | Structure andproperties | n, εr, etc. |- | Thermodynamicdata ...

that the pineal gland, a midline unpaired structure in the brain of many organisms ... fMRI or functional magnetic resonance imaging is a technique frequently ...

Ultrasound scanning or magnetic resonance imaging are alternatives ... over the average HU value of a particular structure to be evaluated. In this ...

the temple, he or she would retire to a structure called the abaton, where ... In one intriguing resonance, Saint Paul's sermon to the people ...

(feel), percussion (tap to determine resonance characteristics), and auscultation ... * Anatomy is the study of the physical structure of organisms. In ...

type of movement (vibration), of resonance as an overtone phenomenon ... processes were equivalent in their structure and motion (configuratio ...

Similarly, metaphor and simile create a resonance between otherwise disparate ... explication and a linear narrative structure. Kant, for example, argues ...

to maintain against the amplified resonance of far off-board rotor ... (higher) RPM is used in order to minimize resonance design requirements and ...

what is a shadow of all the internal structure of that particular part ... tomography (CAT or CT scanning), magnetic resonance imaging (MRI) or ultrasound ...

the greatest amounts of stimulation and structure provided by the individual ... utilized fMRI (functional magnetic resonance imaging) scanning of blood ...

flanked by lower servant wings, found resonance as a prototype for the ... the farm buildings terminating the structure are elevated in height ...

The structure of the feet and legs varies greatly among frog species ... In many arboreal frogs, a small "intercalary structure" ...

# "Spirit Resonance," or vitality, the overall energy of ... one another reveals the nuances of class structure and the hardships of urban ...

to be most apparent in environments with structure or which require self-control ... === Brain structure === Once neuroimaging studies became possible, ...

dates were confirmed by electron spin resonance (ESR) dates for Qafzeh ... high degree of agreement in the molecular structure of these substances, while ...

almost invisible; it has a crystalline structure with a sharp melting point; ... it ideal for use as a coolant in magnetic resonance imaging, superconducting ...

90° angles between the reflective surface. A structure consisting of three flat surfaces meeting at a single corner, like the corner on a box, will ...

top replaced the diagonal Carolingian structure, and a continuous curved ... whole, a seamless fusion of style with structure, and the successful convergence ...

Gluck's reforms have had resonance throughout operatic history ... and masques are contained within the structure of a spoken play. The main ...

quot; because it is concerned with the structure of texts. Derrida writes ... In deconstruction, justice takes on the structure of a promise that ...

The rebellious language and theme found resonance with public consciousness ... and flexibility in the social structure: Man has brought the burning ...

are used in FMRI (functional magnetic resonance imaging) for monitoring ... material. Alternatively it is due to the structure of the electron itself ...

hipped), depending upon the pelvic girdle structure. Ornithischian dinosaurs ... the lambeosaurines may have functioned as resonance chambers used for a wide ...

of Scotland, although Episcopalian in structure, had long enjoyed its own ... The New Model featured a unified command structure and professionalism, which ...

perceived mass, subliminal structure, linear dynamics, tension ... temporal dynamics, volume dynamics, resonance, playfulness, color, subtlety ...

practice, guru lineage, and personal resonance, among others. The multifarious ... *Ostor, Akos. The Play of the Gods: Locality, Ideology, Structure ...

top to flex more independently of the rib structure. Painted-on 'faux ... harmonic world where even thirds ring with full resonance. ...

and this theme determines the rational structure of the books. I don't ... only as an adult that I liked its poetic resonance. I never heard anyone say ...

Frank to be guilty, there was a strong resonance between the Frank trial ... Because of the elite conservative political structure in Alabama, ...

circles of his era and had no immediate resonance. ==Legacy== ... According to Picasso, El Greco's structure is cubist.E. Foundoulaki ...

Domes can be seen frequently in the structure of bazaars and mosques ... the 1990s. High field nuclear magnetic resonance facilities, as well as ...