peak

X-ray crystallography

...s to the JCPDS pattern database), and changes in peak width or position can be used to determine crystal size, purity, and texture . Organic Structures The first protein crystal structure was of sperm whale myoglobin , as determined by Max Perutz and Sir John Cowdery Kendrew in 1958, which le...

Nutrition

...ow levels of exercise. Despite this knowledge, the peak of the epidemic is still with us, and obesity-related diseases are prevalent in the developed world. Many nutritionists ascribe this to excess of refined carbohydrates, decreasing levels of exercise, fewer vegetables and fruit and the wrong types o...

Fitness landscape

...A population may not be able to climb a very sharp peak if the mutation rate is too high, or it may drift away from a peak it had already found. The process of drifting away from a peak is often referred to as Muller's rat...

Chromatography

...tter selectivity (it's easier to differentiate one peak from another) and sensitivity (tall, narrow peaks can be easier to discriminate from noise than shorter, broader peaks). Solvents used include any miscible combination of water or various organic liquids (the most common are methanol or acetonitr...

Cancer

...ly in life and progress very quickly. The age of peak incidence of cancer in children occurs during the first year of life. Neuroblastoma is the most common infant malignancy, followed by the leukemias and the central nervous system cancers. Female infants and male infants have essentially the same ...

Biology

...oves from a very low fitness value to the top of a peak Main articles: Evolutionary biology , Botany , Zoology Evolutionary biology is concerned with the origin and descent of species , as well as their change over time, i.e. their evolution . Evolutionary biology is an inclusive field beca...