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2. Dilution refrigerator - Wikipedia

   en.wikipedia.org/wiki/Dilution_refrigerator

   In the classic dilution refrigerator (known as a wet dilution refrigerator), the 3 He is precooled and purified by liquid nitrogen at 77 K and a 4 He bath at 4.2 K. Next, the 3 He enters a vacuum chamber where it is further cooled to a temperature of 1.2–1.5 K by the 1 K bath , a vacuum-pumped 4 He bath (as decreasing the pressure of the ...

3. Refrigerator - Wikipedia

   en.wikipedia.org/wiki/Refrigerator

   Commercial refrigerator and freezer units were in use for almost 40 years prior to the common home models. The freezer-over-refrigerator style had been the basic style since the 1940s, until modern, side-by-side refrigerators broke the trend. A vapor compression cycle is used in most household refrigerators, refrigerator–freezers and freezers.

4. Vaccine storage - Wikipedia

   en.wikipedia.org/wiki/Vaccine_storage

   These refrigerators or freezers are specifically designed for the storage of biologics, including vaccines. These units differ from standard household-grade units since it has microprocessor -based temperature control with a digital temperature sensor ( thermistor , thermocouple , or resistance temperature detector), and fan-forced air ...

5. Surging job market could prove costly for households ...

   lite.aol.com/tech/story/0001/20250110/398073325c...

   WASHINGTON (AP) — U.S. job growth surged and unemployment fell last month, an unexpected show of strength that may prove costly to homebuyers and businesses who were counting on sharply lower interest rates to lower the cost of buying everything from refrigerators to homes.

6. Hotpoint - Wikipedia

   en.wikipedia.org/wiki/Hotpoint

   It is well known for its refrigerators and washing machines. The company, including sister brands Creda and Indesit, at one time produced the largest amount of kitchen appliances in the United Kingdom. The headquarters was in Woodston, Peterborough with about 1,500 people based there making fridges and freezers. The refrigeration plant closed ...

7. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   Jacob Perkins patents a design for a practical refrigerator using dimethyl ether. [13] 1852 ... 2.4: 2.2 1.9 ‐ ‐ ‐ High-efficiency ASHP, air at 0 °C [55]