Barazanar shiru don rayuwa
A mara kyau labarin yana farawa a yamma na 15 ga Yuni a lardin Henan, inda wani van sanyaya ke ɗauke da sabon abinci ya zama abin da ya faru na mummunan bala'i. An gano ma'aikatan mace takwas takwas. Mahukunta suna zargin busassun dusar ƙanƙara mai rauni, wanda ke haifar da shaƙatawa kuma, a qarshe, mutuwarsu. Duk da yake binciken da ake ci gaba da bincike, wannan lamari ya nuna ba a san haɗarin haɗarin busassun kankara ba a cikin sarari da aka riga aka daidaita.
Menene bushe kankara?
Ga mafi yawan, "Ice" Conjures hotunan abin sha mai ban mamaki. Amma a cikin kimiyya, kankara yana ɗaukar fom mai nisa mai ban sha'awa. Dry kankara, m siffofin carbon dioxide dioxide (Co₂), an fara gano shi a cikin 1835 by Charge Faransa Charles The Dilorier. Ya lura da cewa ruwa co₂, a kan masu ruwa, an bar saiti mai ƙarfi - abin da muke sani kamar bushe kankara.
Ball kamar kankara na yau da kullun, wanda ya narke cikin ruwa, bushewa dusar kankara kai tsaye daga gas zuwa gas a -78.5 ° C, barin wani ruwa mai ruwa. Wannan dukiyar ta sanya shi zabi ne da aka fi so don jigilar kayayyaki kamar ice cream da kayan magani.
Da perils bushe kankara
Duk da amfani da yaduwar ta, bushe kankara ta haifar da hatsarin shiru. Co₂ mai launi ne mai launi, mai kamshi wanda ya fi ƙarfin iska, yana haifar da shi ya zauna a ƙasan sarari da aka rufe. In poorly ventilated environments, sublimating dry ice displaces oxygen, leading to hypoxia (low oxygen levels) and an increase in CO₂ concentration.
Bayyanar cututtuka na cooy cooy:
- Zufa
- Saurin numfashi
- Zuciyar Zuciya
- Karancin numfashi
- Furta
Lokacin da coor matakan wuce2%, alamun bayyanar cututtuka sun bayyana. A \ da5%, gas ya haifar da mummunan sakamako. Bisa8-10%, rashin sani da mutuwa na iya faruwa a cikin mintuna.
Na karshe-rayuwa
Labarun Labaran Dry kankara Misslingling Haske Mahimmancin INTERH:
- Hurricane Ivan: Wani mutum ya yi amfani da kilogiram 45 na kankara mai dacewa don adana abinci a cikin motarsa yayin fitowar wuta. Rashin iskar numfashin abin hawa da ya haifar da matakan da zasu tashi, barin shi bai san shi ba har sai an sami ceto.
- 2022 LAB hadadden ra'ayi: Dalibin karatun digiri a Jami'ar California ya gauraya yayin tafiyar da bushe kankara a cikin akwati mai zurfi. Duk da cewa ta warke, kwarewar ta bar ta da PTSD, ba ta da murƙushe mai tausayawa da ta zahiri.
Me yasa co₂ yana da haɗari
Nauyin kwayar halitta na co₂ yana sa ta denser fiye da iska, yana haifar da tarawa a yankuna masu ƙarancin zafi. Kamar yadda co actoration compores, matakan oxygen sun ragu, yana haifar da tasirin jiki kamar hyperventilation thins, da rushewar zuciya da tsarin juyayi da tsarin juyayi.
Matakan rigakafin
- Samun iska mai kyau: Koyaushe kula da bushe kankara a cikin wuraren da ke da iska mai kyau don hana co₂ tarawa.
- Labarin Gargadi: Dole ne masu ba da kaya dole ne a lawafa kwantena tare da gargadi na haɗari don faɗakar da masu haɗarin.
- Wellence Whadai: Guji adanawa ko amfani da kankara bushe a cikin wuraren da aka rufe, kamar motocin ko kananan dakuna.
Ƙarshe
Dry kankara muhimmin kayan aiki ne mai mahimmanci don kiyaye abinci da matakai na masana'antu, amma ana watsi da hatsonsa a cikin wurare da aka tsare. Wannan rashin ganuwa, gas mai kamshi zai iya juyar da yawa a cikin mintuna idan turshandled. Da ke da wayewa da aiwatar da matakan aminci suna da mahimmanci don hana irin wannan bala'i.
Lokaci: Nuwamba-25-2024