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Define about the Photometry - colorimetry?
Photometry is the measurement of the luminous intensity light or the amount of luminous light falling on a surface from such a source. The term photometric measurement was defined originally as the process used to measure light intensity independent of wavelength. Modern instruments, however, isolate a narrow wavelength range of the spectrum for measurements.
The instruments that use filters for this purpose are referred to as filter photometers, whereas, those that use prisms or gratings are called spectrophotometers. A simple spectrophotometer called a colorimeter is used to measure the amount of light a sample absorbs. The primary analytical utility of filter photometry or spectrophotometry is the isolation and use of discrete portions of the spectrum for purposes of measurement.
Name the corrosion resistant metals Most of the corrosion resistant metals or alloys used for implants have a layer of oxides on their surface. The thin (approximately 5 nm) la
Define Functions of Protein? Each of the various proteins in the body serves a specific function in the maintenance of life. Any loss in body protein, in reality, means a loss
Gastrointestinal Hormones The three main mammalian gastrointestinal hormones are secretin, gastrin and cholecystokinin (CCK). There are several other hormones all peptides. Th
Explain about the Smoking - methods of food processing? Smoking was known as a method of food preservation at an early date. Foods are exposed to smokes by burning some special
Compare and contrast the effect of a deletion in the operator of the lactose operon with one in the operator of the histidine operon.
Of which main compounds is the mitochondrion structure made? Mitochondria are organelles delimited by two lipid membranes. The inner membrane invaginates to the interior of the
Q. What is ST segment depression at rest? ST- segment depression has become severe, that is, 3 to 4mm or more in vigorous asymptomatic subjects. If the patient is known to have
what is the chemical reaction of respiration in cockroach?
RADIOGRAPHY You have read in GNM courses about radiographical examination. In this text the discussion will be on the following radiographical tests. Chest Roentgenogram
Techniques: operation is done under general endo tracheal anaesthesia. Patient is positioned with the left chest tilted up using a sand bag under left chest. Left antero latera
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