英語でPNEUMATIC TROUGHはどんな意味ですか?
空気圧トラフ
空気トラフは、水素、酸素、および窒素などのガスを収集するために使用される実験装置の一片である。 空気トラフには水などの液体が必要です。 科学者も空気圧トラフに水銀を使用しましたが、通常は水溶性ガスの収集にのみ使用されていました。 水銀を取り巻く安全衛生問題は、現代の空気圧トラフでの使用を一般に禁じている。 ガストラップを使用したガス収集には、次の4つの項目が必要です。▪大きなガラス板または同様の容器であるトラフ自体▪収集されたガスを保持するためのガスボンベ▪ガスボトルまたは電球をサポートする方法 蜂の巣棚またはハンガー▪水槽内の液体ボトルには水が満たされ、逆さまになっており、既に水を含んでいる空気トラフに入れられます。 ガス発生装置からの出口管がボトルの開口部に挿入され、ガスがそこを通って上方に泡立ち、内部の水を置換することができる。
英語辞典でのpneumatic troughの定義
辞書内の空気トラフの定義は、液体、通常は水で満たされた浅い皿状の容器であり、液体の表面下の開放端で保持された充填されたジャーからの液体の移動によってガスを収集するのに使用される。
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1
The Basics of Chemistry
An invention that facilitated the study of gases was the pneumatic trough (Figure
3.1). Stephen Hales (1677-1761) perfected this device in his studies of animal
and plant physiology. Hales' trough was nothing more than a gun barrel bent and
...
... the use of a pneumatic trough for collecting gas samples over water should be
familiar. Figure 7.4 illustrates a pneumatic trough with a bottle full of water
submersed. The gas from the chemical reaction bubbles into the bottle,
displacing the ...
3
The Historical Background of Chemistry
In the course of this work he perfected the pneumatic trough to collect over water
the gases that were formed. He probably obtained most of the common gases
during his studies, but he did not realize that they differed chemically. To him they
...
Henry Marshall Leicester,
1971
4
Instruments and Experimentation in the History of Chemistry
This technical obstacle was suddenly overcome in 1728, when Stephen Hales
invented the device later called the pneumatic trough. The introduction of this
apparatus into chemical laboratories later in the century enabled chemists to
handle ...
Frederic Lawrence Holmes, Trevor Harvey Levere,
2000
Pneumatic Trough for experiments on small quantities of gases in glass tubes. —
Figure 131 represents an earthenware pan about two inches deep and twelve
inches in diameter. In the centre is a loose bee-hive shelf, figure 1 30, also of ...
John Joseph Griffin,
1860
6
The Chemistry of the Non-metallic Elements and Their ...
Pneumatic Trough for experiments on small quantities of gases in glass tubes. —
Figure 131 represents an earthenware pan about two inches deep and twelve
inches in diameter. In the centre is a loose bee-hive shelf, figure 1 30, also of ...
John Joseph Griffin,
1860
7
Principles and Applications of Chemistry: For the Use of ...
Another and more elegant arrangement, constructed of glass, and suitable for a
lecture table, is represented by Fig. 87. The vessel intended for the reception of
gas is filled with water, inverted and placed upon the shelf of the pneumatic
trough ...
8
Elements of Chemistry: Chemical physics
PNEUMATIC TROUGH— GAS-HOLDEB. 47 Fig. 19. cupping, because the
atmospheric pressure is partially removed over the wounds inflicted by the
lancets. (38) Pneumatic Trough. — Among the many useful contrivances
depending on the ...
William Allen Miller,
1872
48 PRESSURE OF THE AIR PNEUMATIC TROUGH. sensible ; and if a piece of
bladder be moistened and securely tied over the opening and then left to dry, its
surface will, when a portion of the enclosed air is removed, become very tense ...
William Allen Miller,
1860
10
The Practical Pyromaniac: Build Fire Tornadoes, ...
The pneumatic trough is one of those boring sounding, yet incredibly important
scientific discoveries that provided an avenue for understanding a great deal of
things that aren't boring at all. The trough, it seems, played a key role in building ...
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Teacher sacked for putting a student in a head lock despite being …
The experiment involved Mr Krix lighting petrol in a "science pneumatic trough" in an outdoor area. But the teacher left the students alone at ... «The Daily Telegraph, 1月 14»