These air or gas bubbles make highly functional thermal barriers.

These included the concept of warning colouration in animals, and the Wallace effect, a hypothesis on how natural selection could contribute to speciation by encouraging the development of barriers against hybridization.

These security barriers were breached on occasion by the Sontarans, by manipulating the more technological Vardans, who suborned the Doctor into sabotaging both of these from within ( The Invasion of Time, 1978 ).

These barriers held no military value beyond migration control as they were too weak to withstand a potential NATO invasion.

These labels are graphical, to overcome language barriers.

These used " bird's eye " projections to emphasise globally strategic " fronts " in the air age, pointing out proximities and barriers not apparent on a conventional rectangular projection of the world.

These geographic barriers kept the interior of Oman free from foreign military encroachments.

These barriers obstruct the freedom of movement of the four factors of production.

These forests also act as barriers against cyclones, tropical storms and tidal waves thus protecting the nearby villages.

These may be environmental barriers to participation such as architectural barriers, lack of relevant assistive technology and transportation difficulties due to limited wheelchair or public transit that can accommodate the children with CP.

These include, but are not limited to, crop rotation and nutrient management ; sanitation to remove pest habitat ; provision of habitat for beneficial organisms ; selection of pest-resistant crops and animals ; crop protection using physical barriers, such as row covers ; and crop diversification through companion planting or establishment of polycultures.

These programs include Mission Possible, an effort to help elderly and disabled individuals remove dilapidated structures, physical barriers, and make basic repairs to their homes and property.

These barriers are commonly called " Armco ".

These are known as ' targeted primary health care outlet '- as these outlets primarily target people who inject drugs and / or ' low-threshold health care outlet '- as these reduce common barriers clients often face when they try to access health care from the conventional health care outlets.

These targeted outlets have the potential to mitigate clients ' perceived barriers to access to healthcare delivered in traditional settings.

These twin barriers have flipped the equation, making multiprocessing practical even for small systems.

These actions are complicated by the fact that only Ico is able to carry out these actions ; Yorda can only jump short distances and cannot climb over tall barriers.

These other transplants are otherwise impossible due to blood type or antibody barriers to transplantation.

These barriers give preference to domestic producers.

These routes typically follow mountain ranges or coastlines, sometimes rivers, and may take advantage of updrafts and other wind patterns or avoid geographical barriers such as large stretches of open water.

These include physical barriers, which make the effort of stealing the vehicle more difficult.

These limits are more like speed limits than barriers at the end of the road: the rate at which renewable resources can renew themselves, the rate at which we can change from nonrenewable resources to renewable ones, and the rate at which nature can recycle our pollution.

These carpets are natural barriers against the cold.

These are only halfway measures, and the answer will come when some way is found to allow the technical man in industry to progress without limit in salary and prestige ''.

These ideas are part of the basis of concept of a limit in mathematics, and this connection is explained more fully below.

These two factors limit many species of animals and plants to a relatively narrow region of Baltic Sea.

These factors, combined with other possible secondary effects after prolonged use such as psychomotor, cognitive, or memory impairments, limit their long-term applicability.

These dams and reservoirs currently limit the recovery of upriver salmon runs to Idaho's Salmon and Clearwater rivers.

These factors limit the extent to which agents can make a fully rational decision, thus they possess only “ bounded rationality ” and must make decisions by “ satisficing ,” or choosing that which might not be optimal but which will make them happy enough.

These implementations included tax reform ; a policy to limit government growth ; the establishment, in 1984, of the Management and Coordination Agency to replace the Administrative Management Agency in the Office of the Prime Minister ; and privatization of the state-owned railroad and telephone systems.

These values, however, cannot override any restrictions the server places on size limit and time limit.

These microscopes have the same resolution limit as wide field optical and electron microscopes.

These subsets, called ' Profiles ', limit the size of the tool set a decoder is required to implement.

These electronic signs can show a lower speed limit, as low as 50 km / h, to warn drivers for upcoming traffic jams and accidents.

") These matches are given a time limit ; if not enough falls are scored by the end of the time limit, the match is declared a draw.

These experiments do not show that a cat-sized object can be superposed, but the known upper limit on " cat states " has been pushed upwards by them.

These tracks have come to be known as " restrictor plate tracks ", a name that is derived from the " restrictor plate ," device that was designed to limit top speeds to approximately on such tracks.

These assumptions limit both the validity and the precision of the mmHg as a unit of pressure.

These differences may limit the validity of international comparisons of unemployment data.

( These plans still have a data limit at 100GB, at which point their down and up speeds get halved )

These facts severely limit the range of NNEMP weapons as compared to their nuclear counterparts, but allow for more surgical target discrimination.

These techniques are used for a variety of reasons, including the establishment of secure communications, increasing resistance to natural interference, noise and jamming, to prevent detection, and to limit power flux density ( e. g. in satellite downlinks ).

These chases were often the result of Rosco setting up illegal speed traps such as a false or changing speed limit signs and various other trickery, which would evolve into being increasingly more cartoonish and far-fetched as the seasons passed.

These structures may be the edge of a lens or mirror, or a ring or other fixture that holds an optical element in place, or may be a special element such as a diaphragm placed in the optical path to limit the light admitted by the system.

These stations have various issues that limit their long-term habitability, such as very low recycling rates, relatively high radiation levels and a lack of gravity.

These enforcement provisions applied to states and political subdivisions ( mostly in the South ) that had used a " device " to limit voting and in which less than 50 percent of the population was registered to vote in 1964.