These chemicals are styrene, acetophenone and brominated substances.

These airborne soil particles are often contaminated with toxic chemicals such as pesticides or petroleum fuels, posing ecological and public health hazards when they later land, or are inhaled / ingested.

These two chemicals were very important because they enabled the introduction of a host of other inventions, replacing many small-scale operations with more cost-effective and controllable processes.

These chemicals are known to down-regulate the formation of reactive oxygen species, key chemicals in cardiovascular disease.

These spectra can be interpreted to derive information about the atoms and molecules, and they can also be used to detect, identify and quantify chemicals.

These experiments help identify the specific amount of a chemical that may cause harm and potential risks of being near or using products that contain certain chemicals.

These chemicals are stored in secretory vesicles and released when needed.

These chemicals eventually entered natural hydrologic systems.

These ISO tanks can also be used for transportation of liquid chemicals and food stuffs.

These volatile chemicals yield important performance characteristics, primarily density reduction, cushioning / energy absorption and thermal insulation.

These chemicals belong to the PPA ( phenylpropanolamine ) family, a subset of the phenethylamines related to amphetamines and the catecholamines epinephrine and norepinephrine.

These chemicals are the starting points for most polymers and other organic chemicals as well as much of the specialty chemicals category.

These chemicals are frequently used to make mattresses fire-retardant.

These glands produce a mixture of sulfur-containing chemicals such as thiols, traditionally called mercaptans, which have a highly offensive smell that can be described as a combination of the odors of rotten eggs, garlic, and burnt rubber.

These chemicals are not biologically active until puberty when the sex steroids influence their activity.

These chemicals are synthesised to emulsify the hydrocarbon substrate and facilitate its transport into the cells.

These transversely multi-mode lasers are adequate in cases where one needs a very large amount of power, but not a small diffraction-limited beam ; for example in printing, activating chemicals, or pumping other types of lasers.

These materials allow the hoses to be stored wet without rotting and to resist the damaging effects of exposure to sunlight and chemicals.

These chemicals are nicotinic acetylcholine receptor agonists.

These include sensors that can detect chemical, biological, nuclear and explosive materials ; portable Terahertz radiation (" T-ray ") machines that detect dangerous materials more easily than X-rays at airports ; and tracking and modeling the possible paths of chemicals released into a subway.

These varieties are likely to gain great popularity as consumers increasingly embrace organically produced crops and reject food items that have been grown using fungicides and other chemicals.

These illiterate boors conscripted from villages all across the Czarina's empire had, Suvorov may have told Lewis, just two things a commander could count on: physical fitness and personal courage.

These deductions may not be claimed if you elect to use the Standard Deduction or Tax Table.

These publications may be secured as follows: The Annual Catalog from the Director of Admissions and other issues from the Publications Office.

These minimum costs may come to $1 per month, more or less, for residential and small commercial customers, although they are substantially higher for large industrial users, who require more costly connections and metering devices.

These may be consulted in the office of the Architect of the Capitol, or the Library of Congress.

These tubes may differ both in the choice of the electron optical system and in the design of the coupling members.

These cases, for all their rarity, are so dramatic that friends and relations repeat the story until the general population may get an entirely false notion of how often the hymen is a serious problem to newly-weds.

These regional differences of sensitivity to pain may be of crucial significance during the earliest intercourse.

These tractors are not entirely satisfactory for plowing, particularly on heavier soils, so you may still want to hire someone to do the plowing.

These things may be happening many miles away from us but really they are right next door.

These penetrate the jelly envelope after the eggs are laid and may increase the supply of oxygen to the embryo through photosynthesis.

These regions are presented to the attacking animal and their secretions may be foul-tasting or cause various physical or neurological symptoms.

These provinces may take the form of national churches ( such as in Canada, Uganda, or Japan ) or a collection of nations ( such as the West Indies, Central Africa, or Southeast Asia ).

These single-cell fibers of the sciatic nerve may extend a meter or even longer.

These antibiotics may also be prescribed to patients with a documented allergy to penicillin.

These and most other cities and large towns are now connected with asphalt-paved roads, while smaller towns are often connected by dirt roads, which may require a four-wheel-drive vehicle.

These findings may corroborate the evidence for social behaviour in Albertosaurus, although some or all of the above localities may represent temporary or unnatural aggregations.

These principles may flourish and triumph in the schools ; where it is, indeed, difficult, if not impossible, to refute them.

These may have been multiples of the customary acre, rather than the statute acre.

These unconscious reactions may even be partly constitutive of what makes our judgment a judgment that the landscape is sublime.

These weapons may be mounted on a pintle, affixed directly to the vehicle or placed in a turret or cupola.

Bibas argues, " These procedures may be constitutional and efficient, but they undermine key values served by admissions of guilt in open court.

These narratives may be true and may be false ; the veracity of the stories is not a determining factor.