Since diamond has the highest thermal conductivity of any bulk material, layering diamond onto high heat producing electronics ( such as optics and transistors ) allows the diamond to be used as a heat sink.

Since copper metallurgy was already known to have existed in Europe since 7000 BC, with heavy axes of natural bronze produced in bulk since 5500 BC, and since true bronze, made by deliberately alloying copper with tin had already been used in parts of east-central Europe since 3700 BC, Ötzi's axe came as no surprise to archaeologists.

Since 1980, Australia, the United Kingdom, France, and New Zealand have provided the bulk of Vanuatu's development aid.

Since the founding of the People's Republic of China in 1949, the canal has been used primarily to transport vast amounts of bulk goods such as bricks, gravel, sand, diesel and coal.

Since < sup > </ sup > the bulk density of a solid chemical element is strongly related to its molar mass ( usually about 3 R per mole, as noted above ), there exists noticeable inverse correlation between a solid ’ s density and its specific heat capacity on a per-mass basis.

Since the bulk of both troops and aircraft were American, Brereton, a U. S. Army Air Forces officer, was named by Eisenhower on 16 July and appointed by SHAEF on 2 August.

Since the mid-20th century, most of the US imports are from Southern Italy, with the large, meaty, and richly flavored Sicilian chestnuts being considered among the best quality for bulk sale and supermarket retail.

Since the road network within the trail system was generally dirt, the bulk of supply transportation ( and the military efforts that they supported ) were conducted during the dry season.

Since the late 1980s it has been apparent that not only the Local Group, but all matter out to a distance of at least 50 Mpc is experiencing a bulk flow on the order of 600 km / s in the direction of the Norma Cluster ( Abell 3627 ).

Since the 1980s, many modern postal systems no longer use overprints to indicate bulk purchases.

Since CompuServe Inc. v. Cyber Promotions, various courts have applied the principles of trespass to chattel to resolve cases involving unsolicited bulk e-mail and unauthorized server usage.

Since there is a large contrast between the density of the minerals in the formation and the density of pore fluids, porosity can easily be derived from measured formation bulk density if both mineral and fluid densities are known.

Since the bulk of the organization's expenses are spent on the salaries of the top three employees and on fundraising, the independent charity evaluator Charity Navigator rated its efficiency a zero, or " exceptionally poor ", and the overall organization as " poor " in 2008.

Since the Ingaevones form the bulk of the Anglo-Saxon settlement in Britain, they were speculated by Noah Webster to have given England its name.

Since the bulk of the rules are contained on the cards ( rather than existing as all-encompassing rules or in a rule book ), 1000 Blank White Cards can be considered a sort of nomic.

Since 1912, the island has been used for commercial and industrial activities, including secondary lead smelting, shipbuilding and repair, bulk petroleum storage, metal fabrication, and containerized cargo shipping.

Since women cultivated manioc and made chicha ( manioc beer ), which together provided the bulk of calories and carbohydrates in the Shuar diet, women's labor was crucial to Shuar biological and social life.

Since that time, airmail has usually been carried in bulk on regular airline services, although parcel and overnight mail may be carried by converted General Aviation aircraft.

Since the development of digital signal processing ( DSP ), there have been many pieces of equipment and computer software designed to shift the bulk of the work of system calibration from human auditory interpretation to software algorithms that run on microprocessors.

Since any origin dipole is inherently oriented so as to be attracted to the adjacent dipoles it induces, while the other, more distant dipoles are not correlated with the original dipole by any phase relation ( thus on average contributing nothing ), there is a net attractive force in a bulk of such particles.

Since the commissioning of the 2, 000 MW DC link in the 1980s, the bulk of power flow through the link has been from France to Britain.

Since ancient time, the bulk population of Shirvan were Caucasian speaking groups.

Since the true family members caused by the collision are expected to have similar compositions, most such interlopers can in principle be recognised by spectral properties which do not match those of the bulk of family members.

Since neutrons are electrically neutral, they penetrate matter more deeply than electrically charged particles of comparable kinetic energy ; therefore they are valuable probes of bulk properties.

Since a third of the Malay workforce worked in the rubber industry it was important to develop alternative sources of employment.

Since the mid-20th Century, advances in rubber, plastics, synthetic cloth, and industrial adhesives have allowed manufacturers to create shoes that stray considerably from traditional crafting techniques.

Since friction between the foot and the ground is an important force in most sports, modern athletic shoes are designed to maximize this force, and materials, such as rubber, are used.

Since the mid-1960s, plastic and polymers exhibiting properties similar to rubber have predominated.

Since the Steller sea lions are themselves protected under the Marine Mammal Protection Act, managers are compelled to use nonlethal deterrence methods, such as rubber bullets and noisemakers.

Since the 19th century, Lambertville, due to its proximity to the canal and the ( now defunct ) United New Jersey Railroad and Canal Company, became a factory town where the range of products produced went from underwear to rubber bands.

Since then, many dictators have adopted similar titles, either on their own authority or having it granted to them by rubber stamp legislatures.

Since 1915 when Kluang was founded, the area initially grew as a rubber planting district.

Since then, swimming goggles with a rubber sealing that sticks to the skin have been used.

Since the 1980s, riot control officers have also used tear gas, pepper spray, rubber bullets, and electric tasers.

Since the rubber was much higher quality than 35 years before, the inflatable returned, but this time it was boat-shaped.

Since then, he has lived in New York, where he first used rubber in 1966 and began applying his characteristic work material lead in 1968.

Since the conquest of the Inca, Peru has always been rich in natural resources such as tin, silver, gold, guano and rubber.

Since the DL was the basic model in the range, it featured little more than rubber mats and a very simple dashboard with a strip style speedometer.

Since the KWR-37 units were aged and worn, sometimes the circuit cards inside had to be reseated with a rubber mallet which helped ensure the cards were reseated properly.

Since the 1960s, all common tires have a carcass of cords of polyester, steel, or other textile materials, inlaid with several layers of rubber.

Since the 1920s, the process has been used for the deposition of rubber latex.

Since the bootleggers could not commercially print a sleeve, due to it attracting too much attention from recording companies, the LP was issued in a plan white cover with Great White Wonder rubber stamped on it.

Since it is easier to knock down pins in rubber band duckpin, its rules are identical to those of standard ten-pin bowling.

Since the reign of Prince Alexander the High Council has become a glorified, " rubber stamp " organization.

Since it is not oil-based, it is often used where oil-based lubricants would attack rubber seals.

Since 1926, Harbel has been home to a massive natural rubber plantation which is still operated by the Firestone subsidiary of Bridgestone.

Since this expedition was the first to ever descend the River of Doubt, the " rubber men " at first thought they were Indians.