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A self-pressurising dewar (silver) being filled with liquid nitrogen from a larger storage tank (white). A cryogenic storage dewar (or simply dewar) is a specialised type of vacuum flask used for storing cryogens (such as liquid nitrogen or liquid helium), whose boiling points are much lower than room temperature.
A non refrigerated air-transportable dewar for 750 liters of liquid hydrogen was developed by H.L. Johnston in ca. 1952. [2] The heat flow to the liquid hydrogen shell was 4 watts, boil-off about 7.5 liters per day, or 1% of the rated capacity. They were equipped with valves, instruments, and a vacuum pump.
A cryostat (from cryo meaning cold and stat meaning stable) is a device used to maintain low cryogenic temperatures of samples or devices mounted within the cryostat. Low temperatures may be maintained within a cryostat by using various refrigeration methods, most commonly using cryogenic fluid bath such as liquid helium. [1]
Izn-e-Rukhsat (Urdu: اذنِ رخصت, lit. 'Permission to Depart') is a Pakistani drama serial that first aired on Geo Tv on 11 July 2016. It is produced by Abdullah Kadwani and Asad Qureshi. It on air every Monday at 8:00pm only on Geo Tv. [1] [2]
Dhuwan (Urdu: دھواں, English: Smoke) is a 1994 Pakistani television series originally aired on Pakistan Television Corporation channel in 1994. [1] [2] [3]The play is based on a story of five friends, who take the challenge to fight against terrorists and drug dealers.
Mah-e-Tamaam (Urdu: ماہ تمام, lit. 'Full Moon') is a 2018 Pakistani drama produced by Momina Duraid under the banner MD Productions. It is directed by Syed Ahmed Kamran and written by Amna Riaz. The series starred Naveen Waqar, Emmad Irfani, Ramsha Khan and Wahaj Ali in lead roles. [1] [2] [3]
Ishq E Laa (Urdu: عشقِ لا, lit. 'Inevitable Love') is a Pakistani television drama series produced by Momina Duraid under her banner productions, written by Qaisra Hayat and directed by Amin Iqbal. The serial marks the acting debut of Azaan Sami Khan, with Sajal Aly and Yumna Zaidi in main roles.
Mor Moharan is a Pakistani television series that premiered on TV One on 10 May 2022. It is directed by Owais Khan and written by Ali Moeen.It stars Sonya Hussyn and Zahid Ahmed supported by Mustafa Changazi, Samiya Mumtaz, Adnan Jaffar, Babar Ali and Firdous Jamal.