Immediate Family. About Thomas Mifflin, Signer of the US Constitution, 11th President of the Continental Congress. Thomas Mifflin, 10 January 1744 - 20 January 1800, was a merchant, member and 11th President of the Continental Congress, a Revolutionary soldier and Governor of Pennsylvania (1790-1799).
[5.4]. When heat is transferred from the surroundings to the system, q has a positive value. Likewise, when work is done on the system by the surroundings, w has a positive value (Figure 5.6). In other words, both the heat added to the system and the work done on the system increase its internal energy.onversely, both the heat lost by the system to the surroundings and the work done by the system on the surroundings have negative values; that is, they lower the internal energy of the system. The relationship between the signs of q and w and the sign of E is presented in Table 5.1.
An ANA test may become positive before signs and symptoms of an autoimmune disease develop, so it may take time to tell the meaning of a positive ANA in a person who does not have symptoms. Conditions associated with a positive ANA test. The most common condition is SLE.1  SLEâANA are most commonly seen with SLE. 2  About 95% of those with SLE have a positive ANA test result. 3  If someone also has symptoms of SLE, such as arthritis, a rash, and skin sensitivity to light, then the person probably has SLE.n ANA test may become positive before signs and symptoms of an autoimmune disease develop, so it may take time to tell the meaning of a positive ANA in a person who does not have symptoms. Conditions associated with a positive ANA test. The most common condition is SLE.