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Using frozen semen for dairy cattle has been done since the 1950s. The oldest semen believed to be in existence was from a sire named Cottonade Emmet, who was a member of the American Breeders Service sire battery in 1952. Semen was collected on Emmet in November 1952 and has been used several times to produce offspring. However, the last time ...
Because the liquid-to-gas expansion ratio of nitrogen is 1:694 at 20 °C (68 °F), a tremendous amount of force can be generated if liquid nitrogen is vaporized in an enclosed space. In an incident on January 12, 2006 at Texas A&M University, the pressure-relief devices of a tank of liquid nitrogen were malfunctioning and later sealed. As a ...
Liquid nitrogen Copper 4 sec 2–3 days [90] Walleye: 1 Fingerling Lateral Liquid nitrogen Brass 0.75–2 sec < 4 days more than 3 years [91] Black crappie 1 Juvenile Liquid nitrogen Brass 2 sec more than 8 months [92] Atlantic salmon 1 Smolt Liquid nitrogen Silver head/copper rod 1.5–2 sec less than 1 year [93] Chinook salmon: 1
The semen was kept frozen with liquid nitrogen. [5] American Breeders Service began selling its products in the Soviet Union in 1983, after conducting negotiations there for six years previous. [6] That year, the company cloned two bulls, named Divide and Duplicate, from one embryo. [7]
A liquid nitrogen engine is powered by liquid nitrogen, which is stored in a tank. Traditional nitrogen engine designs work by heating the liquid nitrogen in a heat exchanger, extracting heat from the ambient air and using the resulting pressurized gas to operate a piston or rotary motor. Vehicles propelled by liquid nitrogen have been ...
Over 265,000 gallons of the fertilizer flowed out of the storage tank due to human error, ... Liquid nitrogen mishap kills 750,000 fish in rivers in Iowa and Missouri, officials say.
Bulk cargo refers to material in either liquid or granular, particulate (as a mass of relatively small solids) form, such as petroleum/crude oil, grain, coal, or gravel. This cargo is usually dropped or poured, with a spout or shovel bucket, into a bulk carrier ship's hold , railroad car / railway wagon , or tanker truck / trailer / semi ...
When chilled by dry ice, liquid carbon dioxide or liquid nitrogen, the thermoplastics can be finely ground to powders suitable for electrostatic spraying and other powder processes. [1] Cryogenic grinding of plant and animal tissue is a technique used by microbiologists .
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