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It is commonly thought to be named after the Nobel Laureate Eduard Buchner (without umlaut), but it is actually named after the industrial chemist Ernst Büchner. [2] A Büchner funnel fitted with Sintered Disc made of Boro 3.3 Glass. Diagram of filtration set-up using a Büchner flask
The Buchner ring expansion is a two-step organic C-C bond forming reaction used to access 7-membered rings. The first step involves formation of a carbene from ethyl diazoacetate , which cyclopropanates an aromatic ring.
His father was the pharmacist, chemist, industrialist and politician Wilhelm Büchner.Ernst was also the nephew of the playwright Georg Büchner and the philosopher, physiologist and physician Ludwig Büchner.
The technology of oil transportation has evolved alongside the oil industry. Although use of oil reaches to prehistory, the first modern commercial exploitation of oils distilled from material extracted from the ground dates back to James Young's manufacture of paraffin (kerosene) in 1850. [1]
A funnel (E) contains a sample of soil or leaf litter (D), and a heat source (F), in this case an electric lamp (G), heats the sample. Animals escaping from the desiccation of the sample descend through a filter (C) into a preservative liquid (A) in a receptacle (B).
Sawit Seberang, loading, 31.07.2008 Sawit Seberang, D 05, 31.07.2008 Sawit Seberang, 16 II, 31.07.2008 Sawit Seberang, 16 II, 31.07.2008. The factory is located near the north-east border of the village Sawit Seberang, north of Medan, about 30 km northwest of the town Stabat - nowadays the seat of Langkat - and north of the city Binjai, formerly also written as Bindjai.
ROV at work in an underwater oil and gas field. The ROV is operating a subsea torque spanner tool on a valve on the subsea structure.. Anchor Handling Tug Supply (AHTS) vessels are mainly built to handle anchors for oil rigs, tow them to location, and use them to secure the rigs in place.
The replenishment oiler HMAS Sirius (right) providing fuel to the amphibious warfare ship USS Juneau while both are underway. A replenishment oiler or replenishment tanker is a naval auxiliary ship with fuel tanks and dry cargo holds which can supply both fuel and dry stores during underway replenishment (UNREP) at sea.