Low partial pressure of atmospheric oxygen such as found at high altitude or by reduced replacement of oxygen in the breathing mix.

*** Low partial pressure of oxygen in the lungs when switching from inhaled anesthesia to atmospheric air, due to the Fink effect, or diffusion hypoxia.

Low oxygen levels lead to hypoxic pulmonary vasoconstriction, the tightening of small blood vessels in the lung to create an optimal distribution of blood through the lung.

# Low oxygen alarm-Almost all circuits have a backup alarm in case the oxygen delivery to the patient becomes compromised.

Low oxygen saturation and disturbed arterial blood gas readings support the proposed diagnosis by suggesting a pulmonary shunt.

Low oxygen levels recorded along the Gulf Coast of North America have led to reproductive problems in fish involving decreased size of reproductive organs, low egg counts and lack of spawning.

Low pH in the blood sends a signal to the brain that it needs oxygen before it actually needs oxygen.

Low valent volatile sulfur compounds are also found in areas where oxygen levels in the air are low, posing a risk of suffocation.

Low Dissolved oxygen are directly related to the amount of phosphorus Lake Whatcom receives.

Changing geomagnetic conditions can induce changes in atmospheric density causing the rapid degradation of spacecraft altitude in Low Earth orbit.

He planted his collection of tulip bulbs and found they were able to tolerate the harsher conditions of the Low Countries ; shortly thereafter the tulip began to grow in popularity.

Low humidity conditions or watering the plants with a water source which contains high levels of dissolved salts will result in the leaves yellowing and rapidly dying from the tips back to the rhizome.

Low CD4 T-cell counts are associated with a variety of conditions, including many viral infections, bacterial infections, parasitic infections, sepsis, tuberculosis, coccidioidomycosis, burns, trauma, intravenous injections of foreign proteins, malnutrition, over-exercising, pregnancy, normal daily variation, psychological stress, and social isolation.

It was recommended in a September 2009 Task Force report to remove the Low and Guarded conditions from the Alert System altogether and set Yellow ( Elevated ) to " Guarded " as the new baseline of the system, without changing the baseline conditions issued when under Yellow in the current system.

US Soldiers in the Netherlands, January 1944, showing the conditions men of the 8th had to contend with in their march across France and the Low Countries.

Low speed handling in icy conditions was interesting as the system tended to drive the car forward against the influence of the steered wheels.

Low Flow policy pertains to states and tribes water quality standards that identify procedures applied to determining critical low flow conditions.

The Slovak mountains provide very good conditions for pursuing this sport, and ski-alpinism fans recommend Jasenská dolina in the Veľká Fatra Mts., the area of Chopok and Ďumbier in the Low Tatras, Malá Studená dolina and Veľká Studená dolina and Skalnatá dolina in the High Tatras, Roháče and Žiarska dolina in the Western Tatras, and the well known Vrátna dolina in the Malá Fatra Mts.

Low vision may be a result of either congenital disease such as retinitis pigmentosa or Leber's congenital amaurosis or of an acquired conditions such as optic atrophy.

Low pH conditions support formation of an iron hardpan, preventing the trees from setting deep roots and preventing internal drainage of soil water.

Low Ca < sup > 2 +</ sup > buffering and excitotoxicity under physiological stress and pathophysiological conditions in motor neuron ( MNs ).

The documentary film Wal-Mart: The High Cost of Low Price shows images of factories that produce goods for Walmart that appear in poor condition, and factory workers subject to abuse and conditions the documentary producers consider inhumane.

The Renaissance changed this: beginning in 1475, the cultural obstinacy of the northern European merchant class with regard to sail arrangements began to crack, and within a hundred years the fore-and-aft rig was in common use on rivers and in estuaries in Britain, northern France, and the Low Countries, though the square rig remained standard for the harsher conditions of the open North Sea as well as for trans-Atlantic sailing.

A Low FODMAP diet now has an evidence base sufficiently strong to recommend its widespread application in conditions such as IBS and IBD.

Low temperatures will enhance the selectivity under both sets of conditions, since T is in the denominator in both cases.

Low rainfall and high temperatures lead to arid conditions in which a fresh water Ghyben-Herzberg lens cannot form.

" The revision thus abolished the hard-and-fast distinction between Missa Cantata and Low Mass, but the distinction is still maintained in the 1962 edition of the Roman Missal, whose use as an extraordinary form of the Roman Rite is authorized in accordance with the conditions indicated in the motu proprio Summorum Pontificum.

The eastern side of the horseshoe from Low Sweden Bridge near Ambleside to the slopes of Hart Crag follows a high dry stone wall for six kilometres, making navigation simple even in poor weather conditions.

Low rewards matched with these three conditions will most likely result in buyer ’ s remorse via cognitive dissonance.

we are stronger and more self-confident -- and Low cannot so easily put us to rights.

( c ) Ligeantia localis, by operation of law, when a friendly alien enters the country, because so long as they are in the country they are within the Sovereign's protection, therefore they owe the Sovereign a local obedience or allegiance ( R v Cowle ( 1759 ) 2 Burr 834 ; Low v Routledge ( 1865 ) 1 Ch App 42 ; Re Johnson, Roberts v Attorney-General 1 Ch 821 ; Tingley v Muller 2 Ch 144 ; Rodriguez v Speyer AC 59 ; Johnstone v Pedlar 2 AC 262 ; R v Tucker ( 1694 ) Show Parl Cas 186 ; R v Keyn ( 1876 ) 2 Ex D 63 ; Re Stepney Election Petn, Isaacson v Durant ( 1886 ) 17 QBD 54 );

Conversely the use of true brass seems to have declined in Western Europe during this period in favour of gunmetals and other mixed alloys but by the end of the first Millennium AD brass artefacts are found in Scandinavian graves in Scotland, brass was being used in the manufacture of coins in Northumbria and there is archaeological and historical evidence for the production of brass in Germany and The Low Countries areas rich in calamine ore which would remain important centres of brass making throughout the medieval period, especially Dinant – brass objects are still collectively known as dinanterie in French.

Low serves are also used frequently, either forehand or backhand.

Low concentrations are not a problem for bacteria because they simply ignore the waste that surrounds the metals, attaining extraction yields of over 90 % in some cases.

Low cost, availability, and portability are cited by practitioners as qualities which make this common writing tool a convenient, alternative art supply.

Low, broken-in, soft-soled, non-marking shoes, such as dance shoes, sneakers, or sandals, are recommended and, in some places, required.

The term " Low Fantasy " is used to represent other types of fantasy, however, so while comic fantasies may also correctly be classified as low fantasy, many examples of low fantasy are not comic in nature.

Low carbohydrate diets such as Atkins and Protein Power are relatively high in protein and fats.

Low surface brightness dwarf galaxies are important sources of information for studying dark matter, as they have an uncommonly low ratio of visible matter to dark matter, and have few bright stars at the center which would otherwise impair observations of the rotation curve of outlying stars.

In English, the terms poniard and dirk are loaned during the late 16th to early 17th century, the latter in the spelling dork, durk ( presumably via Low German, Dutch or Scandinavian dolk, dolch, ultimately from a West Slavic tulich ), the modern spelling dirk dating to 18th-century Scots.

Low explosives are compounds where the rate of decomposition proceeds through the material at less than the speed of sound.

Low explosives are normally employed as propellants.

Low percentage gels are very weak and may break when you try to lift them.

Low numbers ( below 31 and especially below 12 ) are popular because people play birthdays as their so-called lucky numbers ; hence a win in which these numbers are over-represented is more likely to result in a shared payout.

Low frequency inductors are constructed like transformers, with cores of electrical steel laminated to prevent eddy currents.

While Dutch is classified as a Low Franconian language, the Dutch Low Saxon varieties, which are also defined as Dutch dialects, form a dialect continuum with the Westphalian language.

Low temperature, starvation of the cells and high multiplicity of infection ( MOI ) are known to favor lysogeny ( see later discussion ).

Low male-to-female ratios are usually the result of a war, but these figures were lower than the sex ratio of 88. 3 males per 100 females recorded for 1953, the last year of the Korean War.

Low phosphate levels are an important limit to growth in some aquatic systems.

Low passes are lacking, and the principal roads and the railroads between France and Spain run only in the lowlands at the western and eastern ends of the Pyrenees, near sea level.