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R134a Refrigerant also known as norflurane (INN), is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential. It has the formula CH2FCF3 and a boiling point of −26.3 °C (−15.34 °F) at atmospheric pressure. R134a Refrigerant cylinders are colored light blue. Attempts at phasing out its use as a refrigerant with substances that have lower global warming potentials, such as HFO-1234yf are underway.
Contact of R134a Gas with flames or hot surfaces in excess of 250 °C (482 °F) may cause vapor decomposition and the emission of toxic gases including hydrogen fluoride and carbonyl halides. Refrigerant R134a itself has an LD50 of 1,500 g/m3 in rats, making it relatively non-toxic, apart from the dangers inherent to inhalant abuse. Its gaseous form is denser than air and will displace air in the lungs. This can result in asphyxiation if excessively inhaled. This is what contributes to most deaths by inhalant abuse.
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Aerosol cans containing Refrigerant R134a, when inverted, become effective freeze sprays. Under pressure, Refrigerant R134a is compressed into a liquid, which upon vaporization absorbs a significant amount of thermal energy. As a result, it will greatly lower the temperature of any object it contacts as it evaporates. This can result in frostbite when it contacts skin, as well as blindness upon eye contact.
Married for many years, my wife did not know her husband’s name was a false one.
Married for many years, my wife did not know her husband's name was a false provocation diesel generator | diesel generator price / 2012-04-17
Ningbo, April 17th: A couple has been married for several years and has a 5-month-old child, but his wife does not know what her husband's name is. What is going on here?
At 0:00 on April 17th, 2012, high-speed traffic police officer Zhou Yuqian seized a suspected driver's license when he was speeding the ramp to punish illegally parked trucks on the G1512 Houjin Expressway to the east of Ningbo Xikou. At that time, the driver produced a driver's license named Fu Xianwei and A2, which was obviously falsified.
After discovering the situation, Zhou police officer asked the driver how this certificate was obtained. The driver did not admit it and kept saying that it was his test. At this time, Zhou Junguan saw a woman sitting in the cab. After learning that the woman was the driver's wife, Zhou Junguan called the woman alone to the patrol car to ask. At the beginning, the woman also guarded her husband and said that they had been married for several years. The children were all five months old. This card was actually tested by her husband.
When the police officer asked one week, if so, what's your husband's name? Hearing these words, the woman suddenly stopped and couldn't say anything for a long time. Obviously, she didn't know how to reply because she didn't know what the name was on the fake. Maybe he was aware that he was showing up, and he also thought he was funny. Even if her husband’s name could not be answered, his face was smiling but he dared not to laugh on such a serious occasion. The woman’s expression was very tangled.
The driver finally admitted that this document was bought by him for 20 dollars from the cattle. The original name of the driver was Sun, an Anhui person. Since he only had a driver's license for the B2 driver, it was not in compliance with the driver's license. Therefore, he bought the counterfeit card and tried to support the scene. He did not expect to be discovered by the traffic police at once.
According to the regulations, Sun Mou’s use of a forged driver’s license will be punished with a fine of 2000-5000 yuan, and will be detained for 15 days or less with a 12-point penalty. For unlawful driving, he will be fined 200-1000 yuan, scoring 12 Points of punishment. (Finish)
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