... ofthe by the Statistical Office of Finland showed that 30% ofthe elderly women used washing machines, whereas 7% of men used these electrical devices 14. According to the results ofthe ... devices were in perfect line with the level of perception ofthe elderly.From the results ofthe present study, it is evident that the use of new technologies by the elderly population significantly ... ignored the services and opportunities provided by the machines of this type. On the contrary, 5.9% of participants reported that they were aware of all the services and capabilities of ATMs. The...
... by 0.0167 gặcm)3, from the start of the experiment. By the end ofthe measurement, the thickness had increased by 0.342 nm, the mass hadincreased by 0.10 ngặmm)2and the density haddecreased ... fluores-cence. The subsequent plateau phase is associated witha decrease in the concentration of small species, or the aggregation and precipitation of fibrils [37]. The kinet-ics of these three stages of ... min. In the main, the pres-ence of a-crystallin significantly decreased formation of this large aggregate. As a result ofthe interaction of a-crystallin with reduced j-casein, a complex of similarmass...
... non-profit use ofthe material is permitted with credit to the source. Statements and opinions expressed in the chapters are these ofthe individual contributors and not necessarily those of the ... Innovative Solutions and the Challenges ofTechnology 2 around the world; among these, there are more than 650 types of AP mines. Most AP mines can be classified into one ofthe following four ... the spiral movements ofthe robot. It is claimed by the designer that in case of mine explosion, the wheel and the compact hydraulic motor should resist. The tetrahedral structure linking the...
... toshow the relative positions and movements of the sun, planets, and moon as they cir-cled the earth. As the center ofthe uni-verse, the earth was a sphere in the center of the orrery. The other ... of the last two centuries has been the discovery of the vast expanse of geologic time. Earlymethods of calculating the age ofthe earthrelied on measures ofthe rate of sedimenta-tion or the ... movements ofthe planetsgiven the laws of motion that Newtonderived. As a result ofthe steady accumu-lation of evidence, the theological interpre-tation of celestial movements gave way tothe...
... copper.Smelting of oxide and carbonate copper oresIt seems that towards the end ofthe fourth millennium BC, the supplies of nativecopper accessible to the ancient world were incapable of satisfying ... well below their melting point to soften them aftercold forging, or in the furnaces where crystals were melted together.Apart from gold, silver and the other noble metals, copper is the only ... think for themselves. This is a concept that tomany people appears ridiculous and to many others a threat to the dignity of themselves as members ofthe human race or worse, a threat to the veryexistence...
... Salindres to reduce the melting point and viscosity ofthe slag, and to dissolve the thin layers of alumina which formed on the surface ofthe reduced globules of aluminium,thus enabling them to coalesce. ... furnace. The furnace charge consisted of 100kg (220lb) ofthe double chloride, 45kg (99lb) of cryolite and 35kg (77lb) of sodium. The function ofthe cryolite was to actas a flux and dissolve the ... a very high thermalconductivity. This encouraged its use for cooking utensils. The firstauthenticated use of aluminium as a roofing material is provided by the dome of the Church of San Gioacchino...
... one above the other to prevent loss of gas. The top bellis opened and the raw materials fall on the lower one, which is closed andsealing the furnace. Then the top bell is closed and the bottom ... production. The wrought iron balls as they came from the furnace were always hammered out into a bloom, but the next stage dependedon the grade of iron being made.Figure 2.2: The product ofthe puddling ... When the pig iron was brought up to meltingpoint, some of it formed magnetic oxide (Fe3 O4) which made slag with the silica in the sand lining ofthe furnace. This was the source ofthe waste;...
... diameter the operator tried the gauge whichshould pass the ‘Go’ anvil but not pass the ‘No Go’ end. The difference in the anvil dimensions is the tolerance allowed on the dimension to which the part ... dimensionalstandards for the whole world by 1926 and he is referred to as the ‘Master of Measurement’. The use of gap gauges also became common for the inspection of screw threads based on the idea of William ... these industries. With the coming of the motor industry this firm grew to become one ofthe most famous machinetool manufacturers in the world, Alfred Herbert Ltd. Frederick Lanchester wasthe...
... protection against the weather for the rider. The design ofthe moped originated in the folding scooters such as the Corgi used by paratroops during the war.Another development ofthe same period, ... to the diamond-shaped frame ofthe ‘safety’ pedal bicycle. Coventry was again the centre of the industry which really took off with the repeal ofthe ‘Red Flag’ Act in 1896, amaximum speed of ... for some years, was the bubble-car. Heinkel and Messerschmitt were both prominent makes of thesemachines, the designs of which owed much to the cockpits ofthe aircraftwhich these companies had...
... and their sizeincreased. It was further improved in the 1880s but the construction in the 1950s of the St Lambert and Côte Ste Catherine locks on the St Lawrence Seawayspelled the end ofthe ... In the south also at the beginning of the eighteenth century, a start was made on linking the Volga and the Don so thattraffic could go to either the Black Sea or the Caspian Sea.At the end of ... from the upper level above the power station on to the crest ofthe dam and a second plane lowering the boats into the tail water PART THREE: TRANSPORT506when the vital importance ofthe canal...
... had a marked effect on the thinking of railway engineers. This was emphasized by the absence of otherrailways of less than standard gauge, a consequence ofthe Gauge of RailwaysAct passed in ... built to open up the country. Mostother southern or central African countries built to either the 3ft 6in or the metre gauge.JAPAN AND CHINA The introduction of railways to Japan is of particular ... it was another ten years before the first section of the St Petersburg-Moscow railway was open, using the broad gauge of 1.525m(5ft) which became the Russian standard. Further afield, the first...