Dewar flask daga XIX karni zuwa yanzu

Dzheyms Dyuar (1842-1923) wani Scottish likita da kuma sunadarai wanda ya rayu a London. A lokacin rayuwarsa, da ya lashe kyaututtuka da dama da kuma lambar yabo yin wani m adadin binciken, mutane da yawa daga cikinsu sun taka muhimmiyar rawa a ci gaban da ainihin kimiyyar. Daga cikin kyaututukan da ya samu a kimiyyar lissafi ne dauke da wani sananne taimako ga nazarin adana zafin jiki da na'urar da ya halitta, wanda ake kira "dewar". Wannan naúrar da aka tsara don adanar daban-daban abubuwa a dagagge ko rage yanayin zafi.

Tarihi na halitta

A Dewar jirgin ruwa ne mai kyautata version na na'urar, wanda aka ci gaba da Jamus masanin kimiyya Veynholdom. A wannan yanayin, yana da gagarumin bambanci. Veynholda firtsi yana da wani nau'i na gilashi akwatin da biyu ganuwar da wani Dewar muhimmanci canza tsarin. By misalin tare da reshe, shi ne kuma sau biyu walled na'ura, a injin an halitta tsakanin ganuwar da na'urar, kuma sun kasance, azurfa-plated, kuma domin rage danshin daga cikin ruwa, da na'urar da aka quntata makogwaro.

aikace-aikace

A ranar, da samar da Dewars kai wani masana'antu sikelin, tun suna amfani yadu ba kawai a cikin daban-daban da masana'antu, amma kuma a cikin rayuwar yau da kullum. 'Yan mutane san cewa thermos ne ma Dewar. Game da masana'antu, akwai sau da yawa amfani da wani Dewar tasoshin ga ruwa nitrogen da sauran kriozhidkostey. Har ila yau, wannan na'urar ne sau da yawa amfani da dabbobi da kuma mutum magani ga ajiya na daban-daban nazarin halittu da kayayyakin.

Saboda daban-daban na jirgin ruwa da daban-daban a raga, sa'an nan aka yi amfani da hanyoyi daban-daban, amma a duk lokuta da ajiye cikin abinda ke ciki a wani akwati, dole ne ka kawo shi zuwa ga dace da zazzabi, watau. E. Heat ko sanyi. Da yawan zafin jiki na wani abu wanda yake a cikin na'urar ne kiyaye saboda dalilai biyu: na thermal rufi da kuma abin da ke faruwa tare da shi tafiyar matakai.

thermos

A mafi shahara da kuma mashahuri nau'i na Dewar ne a thermos. A farkon XX karni, Reinhold Burger dan kadan modified da na'urar yin shi dace da m amfani. A gilashin flask aka sanya shi a cikin wani karfe casing, game da shi sa shi mafi aminci kuma mafi m, kuma toshe, wanda aka sanya a kan Dewar flask marufi aka maye gurbinsu da murfin.

Da farko, da ya kirkiro fatan cewa irin wannan na'urar da ake amfani da su adana abinci, amma a sakamakon wani thermos ya zama mashahuri daidai saboda abin da ya iya na dogon lokaci domin ci gaba da yawan zafin jiki na sha. Afternoon thermos haihuwa za a iya daukan 30 Satumba 1903, saboda a wannan rana Burger samu wani lamban kira ga sabuwar dabara da kuma fara samar.

Ko da yake labarin ba ya kawo karshen akwai. Dewar, wanda ya koya cewa an kyautata version na ta na'urar samu samu nasara, kuma ya taimaka aikatãwa mai kyau Burger, yi a kara. Amma domin ya na'urar da aka ba jadadda mallaka, da kotu bai gamsar da bukatun.

Dewar jirgin ruwa ƙirƙira by Scottish masana kimiyya sun samu tartsatsi shahararsa kusan nan da nan bayan an haifeshi, kuma ba rasa shi to wannan rana. An yadu amfani da biyu a masana'antu da kuma a cikin rayuwar yau da kullum, sa shi daya daga cikin mafi muhimmanci qirqire-qirqire na XIX karni.