silicosis is a form of occupational lung disease caused by inhalation of crystalline silica dust. it is marked by inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs.it is a type of pneumoconiosis. silicosis particularly the acute form is characterized by shortness of breath, cough, fever, and cyanosis bluish skin . it may often be misdiagnosed as .
edaphosaurus / ˌ ɛ d ə f oʊ ˈ s ɔːr ə s /, meaning 'pavement lizard' for dense clusters of teeth is a genus of extinct edaphosaurid synapsid that lived in what is now north america and europe around 303.4 to 272.5 million years ago, during the late carboniferous to early permian periods.
akron / ˈ æ k r ən / is the fifth-largest city in the u.s. state of ohio and is the county seat of summit county.it is located on the western edge of the glaciated allegheny plateau, about 30 miles 48 km south of cleveland.as of the 2018 census estimate, the city proper had a total population of 198,006, making it the 119th-largest city in the united states.
in many areas of north america notably california and oregon , southern south america, australia, new zealand and hawaii, the common gorse, introduced as an ornamental plant or hedge, has become an invasive species due to its aggressive seed dispersal; it has proved very difficult to eradicate and detrimental in native habitats.
washboarding or corrugation is the formation of periodic, transverse ripples in the surface of gravel and dirt roads.washboarding occurs in dry, granular road material with repeated traffic, traveling at speeds above 8.0 kilometres per hour 5 mph . washboarding creates an uncomfortable ride for the occupants of traversing vehicles and hazardous driving conditions for vehicles that travel too .
ancient israelite cuisine refers to the food eaten by the ancient israelites during a period of over a thousand years, from the beginning of the israelite presence in the land of israel at the beginning of the iron age until the roman period.the dietary staples were bread, wine and olive oil, but also included legumes, fruits and vegetables, dairy products, fish and meat.
limestone is very common in architecture, especially in europe and north america. many landmarks across the world, including the great pyramid and its associated complex in giza, egypt, were made of limestone. so many buildings in kingston, ontario, canada were, and continue to be, constructed from it that it is nicknamed the 'limestone city'.
during initial processing, ores typically undergo crushing, dense-medium separation, grinding, froth flotation, and drying. the resulting concentrate, which has a lead content of 30–80% by mass regularly 50–60% , is then turned into impure lead metal.
the japanese leadership looked to base the conduct of the war against america on the historical experiences of the successful wars against china 1894–95 and russia 1904–05 , in both of which a strong continental power was defeated by reaching limited military objectives, not by total conquest.
the teeth formation of patranomodon allows crushing and grinding to occur as the jaws connect and move. other aspects include widening of the palatal areas for breaking down plant matter in feeding, widening of the external adductors, the higher raised jaw hinge, reduction in the number and size of teeth, and acquiring a horn that extends to the jaw.
in north america, a corn tortilla or just tortilla / t ɔːr ˈ t iː ə /, spanish: toɾˈtiʝa is a type of thin, unleavened flatbread, made from hominy nixtamalized maize corn . in guatemala and mexico, there are three colors of maize dough for making tortillas: white maize, yellow maize and blue maize or black maize .
the name silicosis from the latin silex, or flint was originally used in 1870 by achille visconti 1836–1911 , prosector in the ospedale maggiore of milan. the recognition of respiratory problems from breathing in dust dates to ancient greeks and romans. 7
consumption in south asia, north america and northern europe is far less, but rising steadily. the composition of olive oil varies with the cultivar, altitude, time of harvest and extraction process. it consists mainly of oleic acid up to 83% , with smaller amounts of other fatty acids including linoleic acid up to 21% and palmitic acid up .
mineral processing or mineral dressing is a specialized area in the science of metallurgy that studies the mechanical means of crushing, grinding, and washing that enable the separation extractive metallurgy of valuable metals or minerals from their gangue waste material .
dicynodontoides is a genus of small to medium-bodied, herbivorous, emydopoid dicynodonts from the late permian.the name dicynodontoides references its “dicynodont-like” appearance dicynodont = two-dog-tooth due to the caniniform tusks featured by most members of this infraorder.kingoria, a junior synonym, has been used more widely in the literature than the more obscure dicynodontoides .
the mica group of sheet silicate phyllosilicate minerals includes several closely related materials having nearly perfect basal cleavage.all are monoclinic, with a tendency towards pseudohexagonal crystals, and are similar in chemical composition.the nearly perfect cleavage, which is the most prominent characteristic of mica, is explained by the hexagonal sheet-like arrangement of its atoms.
mortar and pestle are implements used since ancient times to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. the mortar is a bowl, typically made of hard wood, metal, ceramic, or hard stone, such as granite. the pestle is a heavy and blunt club-shaped object. the substance to be ground, which may be wet or dry, is placed in the mortar, where the pestle is pressed and rotated onto it until the desired texture is
the mary rose is a carrack-type warship of the english tudor navy of king henry viii.she served for 33 years in several wars against france, scotland, and brittany. after being substantially rebuilt in 1536, she saw her last action on 19 july 1545. she led the attack on the galleys of a french invasion fleet, but sank in the solent, the straits north of the isle of wight.
the soybean or soya bean glycine max is a species of legume native to east asia, widely grown for its edible bean, which has numerous uses.. traditional unfermented food uses of soybeans include soy milk, from which tofu and tofu skin are made. fermented soy foods include soy sauce, fermented bean paste, nattō, and tempeh.fat-free defatted soybean meal is a significant and cheap source of .
gunpowder, also known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive.it consists of a mixture of sulfur s , charcoal c , and potassium nitrate saltpeter, kno 3 .the sulfur and charcoal act as fuels while the saltpeter is an oxidizer. because of its incendiary properties and the amount of heat and gas volume that it generates .