asphaltum การใช้

• Wax, tar and asphaltum have been used since early times.
• Various combinations of asphaltum and waggler have since filled in these holes.
• Around 1894, Linton returned to chemistry research, specifically the analysis of asphaltum.
• The brown asphaltum was also used as fuel by Los Angeles manufacturing establishments during the 1880s.
• After the war, Hancock engaged in the commercial development of the asphaltum deposits on Rancho La Brea.
• When oil reaches the surface, it is exposed to biodegradation, evaporation, and oxidation, forming asphaltum.
• At the type locality in Peru it occurs in fissures within a red shale likely derived from an asphaltum deposit.
• Lighter hydrocarbon fractions volatilize on contact with the atmosphere, leaving behind the heavier fractions, which are principally asphaltum.
• By 1886 the city had of paved streets, including asphaltum, Colorado sandstone, Sioux Falls granite and wooden blocks.
• It produced some heavy oil, tar, and asphaltum during the next 30 years, but the amounts were not recorded.
• In the 1860s, San Joaquin Valley settlers made the first attempts to mine the asphaltum, digging pits, trenches, and tunnels.
• In 1902, subsidiaries of the Gilson Asphaltum Company took over the Black Dragon Mine and began work on a narrow gauge railway to serve the mine.
• Light industry was set up along the foreshores of Greenwich, including Shipbuilding, brickmaking, quarrying, and the Patent Asphaltum Company which refined bitumen and manufactured building materials.
• Natural asphalt ( also called asphaltum, bitumen, pitch or tar " brea " in Spanish ) has seeped up from the ground in this area for tens of thousands of years.
• When the ink / sugar mixture is dry the plate is coated with asphaltum ( liquid ground ); the plate is then submerged in warm water which dissolves the sugar so that the image " lifts off " the plate.
• In 1710 or 1711 ( sources vary ) the Russian-born Swiss physician and Greek teacher Eirini d'Eyrinys ( also spelled as Eirini d'Eirinis ) discovered asphaltum at Val-de-Travers, ( Neuch鈚el ).
• Until the arrival of the railroads, the town's economy was based mainly on farming and ranching, although there was also some mining activity in the region, including a vein of asphaltum that was mined between 1892 and 1914.
• In Northern California, there were oil seeps in Humboldt, Colusa, Santa Clara, and San Mateo Counties, and in the asphaltum seeps and bituminous residues in Mendocino, Marin, Contra Costa, Santa Clara, and Santa Cruz Counties.
• It grew over time to include the sites of the Patent Asphaltum works, and several wharves, as well as the shale oil refining works of John Fell & Co . By the late 1930s, over 500 workers were employed at the Shell site.
• In a three-month-period, 350, 000 gallons of bootlegged alcohol were transported from the Publicker plant in Little Italy by the Reading Railroad in large oil drums marked " tar " or " asphaltum ", to one of the alcohol companies under the syndicate's control.