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x-ray and data
There is, then, the possibility that this Af bond is symmetric, although Douglass was unable to determine its symmetry from his x-ray data.
The x-ray data are consistent with particle sizes of 1000 A or greater.
Crystals may yield good data in the x-ray beam longer because x-ray damage may be reduced during data collection and because the solvent may evaporate more slowly, which for example may be important for large biochemical molecules whose crystals often have a high percentage of water.
Until the early 1950s Auger transitions were considered nuisance effects by spectroscopists, not containing much relevant material information, but studied so as to explain anomalies in x-ray spectroscopy data.
Inelastic scattering alters the phase of the diffracted x-rays, and as a result do not produce useful data for x-ray diffraction.
Alex Stokes had solved the basic mathematics of helical diffraction theory and thought that Wilkins's x-ray diffraction data indicated a helical structure in DNA.
During 1952, Franklin also refused to participate in molecular modeling efforts and continued to work on step-by-step detailed analysis of her x-ray diffraction data ( Patterson synthesis ).
After March 1952 Franklin concentrated on the x-ray data for the A-form of less hydrated DNA while Wilkins tried to work on the hydrated B-form.
Through Max Perutz, his thesis supervisor, Crick gained access to a progress report from King's College that included useful information from Franklin about the features of DNA she had deduced from her x-ray diffraction data.
Crystallographic databases store x-ray crystal structure data.
He was also involved extensively in analysis of x-ray data from the SAS-3 satellite being operated by MIT.
The results can be used visually ( in kinemages ) as well as quantitatively for analyzing the detailed interactions between molecular surfaces, most extensively for the purpose of validating and improving the molecular models from experimental x-ray crystallography data.
They used x-ray diffraction data collected by Rosalind Franklin and proposed the helix or spiral staircase structure of the DNA molecule.
Since EXAFS requires a tunable x-ray source, data are always collected at synchrotrons, often at beamlines which are especially optimized for the purpose.
It is most often used to identify substances based on x-ray diffraction data, and is designed for use with a diffractometer.
Analysis of the pre-flight x-ray throughput calibration data indicates that the peak on-axis effective collecting area for each telescope's response function ranges from 0. 25 to 0. 05 cm2.
The name itself comes from the field of x-ray crystallography, where the phase problem has to be solved for the determination of a structure from diffraction data.
In x-ray crystallography, the diffraction data when properly assembled gives the amplitude of the 3D Fourier transform of the molecule's electron density in the unit cell.

x-ray and did
" Afterwards, probes and x-ray showed that the bullet had traversed three inches ( 76 mm ) of tissue and lodged in Roosevelt's chest muscle but did not penetrate the pleura, and it would be more dangerous to attempt to remove the bullet than to leave it in place.
This may show fluid that did not appear on the upright x-ray as well as showing changes in fluid position.
The pair did make out in the x-ray room, but nothing came from it.
He did pioneering work on x-ray microscopy that helped to lay the foundations for the development of holography

x-ray and permit
* Career Care Institute, Inc. in Lancaster, is an accredited vocational school offering training in allied health field programs such as vocational nursing, medical assisting, medical billing, and limited permit x-ray technician.

x-ray and Douglass
Douglass has studied the crystal structure of Af by x-ray diffraction.
The x-ray diffraction pattern of the material, taken with CuK**ya radiation, indicated the presence of no extra lines and was in good agreement with the pattern of Douglass.

x-ray and determine
One way that jewelers can determine whether a pearl is cultured or natural is to have a gem lab perform an x-ray of the pearl.
Due to the small size of the scaphoid and its shape, it is difficult to determine, early on, whether or not the scaphoid is indeed fractured with an x-ray.
The lander had an x-ray / alpha spectrometer to provide information on the chemical element composition of the surface of Phobos, a seismometer to determine the internal structure of Phobos, and the " Razrez " penetrator with temperature sensors and an accelerometer for testing the physical and mechanical properties of the surface.
The methods by which one can determine the structure of a molecule include spectroscopy, such as nuclear magnetic resonance ( NMR ), infrared spectroscopy and Raman spectroscopy, electron microscopy, and x-ray crystallography ( x-ray diffraction ).
A radiographic evaluation using a x-ray, MRI or CT scan can determine if there is any damage to the spinal cord and where it is located.
It was only in 1918 when Ernst Mohr, using the then very new technique of x-ray crystallography, was able to determine the molecular structure of diamond, that it became recognised that Sachse's chair was the pivotal motif.
* NUCCA Technique-manual method of adjusting the atlas subluxation complex based on 3D x-ray studies which determine the correct line of drive or vector of force.

x-ray and space
In rheumatoid arthritis, there may be no changes in the early stages of the disease, or the x-ray may demonstrate juxta-articular osteopenia, soft tissue swelling and loss of joint space.
The facility houses the Occupational Health program-" Workwell " and contains a lab, x-ray and the Tree City Medical Partners Physician's Practice as well as space for other physicians.
The best way to describe such a process is that a flux of so many gamma ray, x-ray, ultraviolet and heat photons struck matter in a brief amount of time ( photons of high energy and great numbers of them, some overlapping in the same physical space ) that all such matter molecules lost their atomic bonds and " flew apart ", all atoms lost their bonds to each other and " flew apart ", and all nuclei lost their electron shells and became positively charged ions, and each molecule and atom that followed this process in turn emitted photons of a slightly lower energy than they had absorbed which caused the bonds to break.
New telescopes were launched into space, and began observing the universe in the infrared, ultraviolet, x-ray, and gamma ray parts of the electromagnetic spectrum, as well as observing cosmic rays.
# Revolutions-What do all these things have in common — three grandfathers ' lifetimes, two revolutions, 1750 Cornish steam engines for Cornwall's tin mines, water in mines, pumps, steam engines, Watt's copier, carbon paper, matches, phosphorus fertilizer, trains and gene-pool mixing, traveling salesmen, 24-hour production, educated women, the telephone, high-rise buildings, Damascus's swords, steel, diamond, carborundum, graphite, oscilloscope, television, apollo space program, x-ray crystallography, DNA and gene therapy?

x-ray and group
His group used x-ray diffraction to solve the three-dimensional structure of these proteins to atomic resolution, and then to analyze the atomic detail of how the molecules work.
Using a carefully bundled group of these DNA threads and keeping them hydrated, Wilkins and a graduate student Raymond Gosling obtained x-ray photographs of DNA that showed that the long, thin DNA molecule in the sample from Signer had a regular, crystal-like structure in these threads.
On STS-39, Veach was responsible for operating a group of instruments which included an ultraviolet astronomical camera, an x-ray telescope, and a liquid helium-cooled infrared telescope which performed landmark observations of the Earth's atmosphere and the Aurora Australis ( the Southern Lights ).
It is possible to force the metal atoms to a standstill at the equator as shown by x-ray crystallography when the fullerene is exahedrally functionalized by an electron donation silyl group in a reaction of Ce < sub > 2 </ sub >@ C < sub > 80 </ sub > with 1, 1, 2, 2-tetrakis ( 2, 4, 6-trimethylphenyl )- 1, 2-disilirane.

0.656 seconds.