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A Büchner funnel with a sintered glass disc. A Büchner funnel is a piece of laboratory equipment used in filtration. [1] It is traditionally made of porcelain, but glass and plastic funnels are also available.
(A) A low-form or Griffin form beaker (B) A tall-form or Berzelius beaker (C) A flat beaker or crystallizer Philips beaker which can be swirled like a conical flask. Standard or "low-form" (A) beakers typically have a height about 1.4 times the diameter. [3]
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).
Table of Contents PART I Item 1. BUSINESS General Johnson & Johnson and its subsidiaries have approxi mately 115,500 employees worldwide engaged in the research and development, manufacture and sale of a broad range of products in the health care field.
The greenish tint of this float glass is from iron impurities. Low-iron glass does not exhibit this color. Low-iron glass is a type of high-clarity glass that is made from silica with very low amounts of iron.
Elizabeth Key "Bess" Armstrong (born December 11, 1953) [1] is an American actress. She is known for her roles in the films The Four Seasons (1981), High Road to China (1983), Jaws 3-D (1983), and Nothing in Common (1986).
Sam Shepard was born on November 5, 1943, in the Chicago suburb of Fort Sheridan, Illinois. [5] He was named Samuel Shepard Rogers III after his father, Samuel Shepard Rogers Jr. (1917–1984), [6] but was called Steve Rogers.
An Egyptian wall-painting in the tomb of Hesy-Ra, dating to 2600 BC, shows a wooden tub used to measure wheat and constructed of staves bound together with wooden hoops. [8]