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 bulk of the rubber produced is of the synthetic variety, which is derived from petroleum, the price of natural rubber is determined, to a large extent, by the prevailing global price of crude oil.

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 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 these duties fit neatly with those of the proposed presidential aide, one person, with adequate staff assistance, could fill both jobs.

Since practical washing procedures are both lengthy and expensive, a number of laboratory tests have been developed for the numerical evaluation of detergents.

Since D and D' are both diagonalizable and they commute, they are simultaneously diagonalizable, and Af is diagonalizable.

Since N and N' are both nilpotent and they commute, the operator Af is nilpotent ; ;

Since Fogg's was a one-man, one-plane flying service, this meant that he would have to do both trips, flying alone 600 miles a day, under sub-freezing temperature conditions.

Since the adoption of a new constitution, early in 2010, the politics of Angola takes place in a framework of a presidential republic, whereby the President of Angola is both head of state and head of government, and of a multi-party system.

Since its independence, Armenia has maintained a policy of complementarism by trying to have friendly relations both with Iran, Russia, and the West, including the United States and Europe.

Since the Second World War, both theoretical and experimental fields have advanced at a rapid pace.

Since this picture was first developed by Ernst Stueckelberg, and acquired its modern form in Feynman's work, it is called the Feynman-Stueckelberg interpretation of antiparticles to honor both scientists.

Since 1972, the Roman Catholic Church uses the name " Anointing of the Sick " both in the English translations issued by the Holy See of its official documents in Latin and in the English official documents of Episcopal conferences.

Since the launch of Breakfast in 2000, the programme has been simulcast on both BBC One and BBC News, replacing the individual breakfast news programmes that had been run by both channels.

Since early 1989 the government recognizes both Israel and the Palestinian state.

Since most Western economies are now considered " open " with free capital movement, this essentially means that central banks may target interest rates or exchange rates with credibility, but not both at once.

Since then Calvin and Hobbes creator Bill Watterson has written extensively on the issue, arguing that size reduction and dropped panels reduce both the potential and freedom of a cartoonist.

Since current can be the flow of either positive or negative charges, or both, a convention for the direction of current which is independent of the type of charge carriers is needed.

Since tangents and inverse tangents are both continuous, our identification function is a homeomorphism between the real line and the unit circle without ∞.

Since both the noun and enclitic were declined, this led to " double declension ".

Since 2002, molecular phylogenetic studies have recognized a close relationship between Hydrochoerus and Kerodon supporting placement of both genera in a subfamily of Caviidae.

Since 2001, both baronies have been redesignated the City of Dublin.

Since two houses may be very different from one another, a design pattern for houses must be broad enough to apply to both of them, but not so vague that it doesn't help the designer make decisions.

Since 2004, the colón stopped circulating and is now never used in the country for any type of transaction ; however some stores still have prices in both colons and U. S. dollars.

In the first step, the final nonzero remainder r < sub > N − 1 </ sub > is shown to divide both a and b. Since it is a common divisor, it must be less than or equal to the greatest common divisor g. In the second step, it is shown that any common divisor of a and b, including g, must divide r < sub > N − 1 </ sub >; therefore, g must be less than or equal to r < sub > N − 1 </ sub >.

Since both birds are stringy, and taste unpleasant, the skin and feathers could be kept and filled with the cooked, minced and seasoned flesh of tastier birds, like goose or chicken.

Since 2002, the new Afghan government has engaged in cordial relations with both Iran and the United States, even as relations between Iran and the United States have grown strained due to American objections to Iran's nuclear program.