In chromatography, the retardation factor (R) is the fraction of an analyte in the mobile phase of a chromatographic system. In planar chromatography in...

Look up retardation or retarded in Wiktionary, the free dictionary. Retardation is the act or result of delaying; the extent to which anything is retarded...

general learning disability (in the United Kingdom), and formerly mental retardation (in the United States), is a generalized neurodevelopmental disorder...

analogous to the retardation factor of chromatography. Unlike diffusion and dispersion, which simply spread the contaminant, the retardation factor changes its...

characteristic of a neuron Respiratory failure Risk factor Representative fraction Rest frame Retardation factor in a chromatographic system Radiative forcing...

different solvent mixtures, gives different separation. The retardation factor (Rf), or retention factor, quantifies the results. It is the distance traveled...

duplication syndrome Mental retardation and microcephaly with pontine and cerebellar hypoplasia X-linked alpha thalassemia mental retardation syndrome Following...

Rf factor may refer to: Retardation factor, a variable measured in chromatography Rheumatoid factor, an autoantibody commonly associated with rheumatoid...

dissolve in the liquid CO2 and other dyes would be attracted to cotton. Retardation factor Thomas S. Kuntzleman, Anna E. Comfort, Bruce W. Baldwin. (2009). "Glowmatography"...

creates slightly different set of retardation factors between differing G models. When the correct G model retardation factors are applied within the Siacci...

are trapped by the vicious circle of poverty and many other growth retarding factors, which keep them in the state of backwardness.Those countries need...

Borderline intellectual functioning, previously called borderline mental retardation (in the ICD-8), is a categorization of intelligence wherein a person...

The g factor is a construct developed in psychometric investigations of cognitive abilities and human intelligence. It is a variable that summarizes positive...

Alpha-thalassemia mental retardation syndrome (ATRX), also called alpha-thalassemia X-linked intellectual disability syndrome, nondeletion type or ATR-X...

slope constant factor. The retardation coefficient equals the velocity squared divided by the retardation rate A. Using an average retardation coefficient...

Growth Retardation". American Family Physician. 56 (6): 1384–1390. PMID 9803202. Retrieved 20 February 2016. Intrauterine growth retardation (IUGR),...

materials, and the higher the R-value the better the performance. The U-factor or U-value is the overall heat transfer coefficient and can be found by...

acetonitrile, and tetrahydrofuran for reverse phase HPTLC. The retardation factors (Rf) of the compounds with the selected solvent are then analyzed...

A waveplate or retarder is an optical device that alters the polarization state of a light wave travelling through it. Two common types of waveplates are...

2002). "Altered synaptic plasticity in a mouse model of fragile X mental retardation". Proceedings of the National Academy of Sciences of the United States...

powerful families and clans. Pryce-Jones considers as an additional retarding factor in Arab society the influence of Islam, which hinders efforts to build...

RJ (1997). "Language and communication in fragile X syndrome". Mental Retardation and Developmental Disabilities Research Reviews. 3 (4): 313–322. doi:10...

(XH) and X-linked mental retardation. Patients with XH are male, have short stature, exhibit a mild form of mental retardation and present pan-hypopituitarism...

"feeble-minded", and "moron", among others. By the end of the 20th century, retardation and retard became widely seen as disparaging and politically incorrect, although...

able to bind to various gene-specific transcription factors as well as general transcription factors. Cell lines derived from RTS patients exhibit diminished...

{\displaystyle \phi _{x}} (or ϕ y {\displaystyle \phi _{y}} ) indicates retardation (delay) in phase, while decrease indicates advance in phase. For example...

syndrome, also known as intestinal lymphagiectasia–lymphedema–mental retardation syndrome, is an autosomal recessive disorder consisting of intestinal...

example, the advection-dispersion equation can be modified by a simple retardation factor and solved analytically. Such analytical solutions are limited to...

internal solute transfer between domains, R {\displaystyle R} is the retardation factor, D {\displaystyle {\textbf {D}}} is the diffusion coefficient, and...

delineations of the concept are attributed to Stanley's Phenomena of Retardation in the Induction Coil (1888) and Steinmetz's Theoretical Elements of...