Ads
related to: low pressure sodium fixtures for elderly treatment centers locations
Search results
Results From The WOW.Com Content Network
A low-pressure sodium lamp running at full brightness An unlit 35 W LPS/SOX lamp LPS lamp warming up A running 35 W LPS/SOX lamp Spectrum of a low-pressure sodium lamp. The intense yellow band is the atomic sodium D-line emission, comprising about 90% of the visible light emission for this lamp type. Two Honda Fits under low-pressure sodium ...
Low-pressure sodium-vapor lamps are extremely efficient. They produce a deep yellow-orange light and have an effective CRI of nearly zero; items viewed under their light appear monochromatic. This makes them particularly effective as photographic safelights. High-pressure sodium lamps tend to produce a much whiter light, but still with a ...
High-pressure lamps have a discharge that takes place in gas under slightly less to greater than atmospheric pressure. For example, a high pressure sodium lamp has an arc tube under 100 to 200 torr pressure, about 14% to 28% of atmospheric pressure; some automotive HID headlamps have up to 50 bar or fifty times atmospheric pressure.
Language links are at the top of the page. Search. Search
Low adherence to treatment is an important cause of resistant hypertension. [48] This low adherence to blood pressure treatment is the result of many patients’ generally poor health literacy, costly antihypertensive medications, and inability to accurately follow complex regimens. [49]
One of the major causes of elderly falls is hyponatremia, an electrolyte disturbance in which the level of sodium in a person's serum drops below 135 mEq/L. Hyponatremia is the most common electrolyte disorder encountered in the elderly patient population. Studies have shown that older patients are more prone to hyponatremia as a result of ...
Mercury-vapor lights operate at an internal pressure of around one atmosphere and require special fixtures, as well as an electrical ballast. They also require a warm-up period of four to seven minutes to reach full light output. Mercury-vapor lamps are becoming obsolete due to the higher efficiency and better color balance of metal halide lamps.
Low-pressure sodium (LPS) lamps became commonplace after World War II for their low power consumption and long life. Late in the 20th century, high-pressure sodium (HPS) lamps were preferred, taking further the same virtues. [41] Such lamps provide the greatest amount of photopic illumination for the least consumption of electricity.