The authors examined sodium concentrations from 97 oxcarbazepine-treated (OXC) and 451 carbamazepine-treated (CBZ) patients with epilepsy using cross-section and follow-up studies. The frequency of hyponatremia (Na+ < or = 134 mEq/L) was 29.9% among OXC-treated patients and 13.5% among CBZ-treated patients (p < 0.0001). Hyponatremia (Na+ < or = 128 mEq/L) was severe: 12.4% of OXC-treated patients and 2.8% of CBZ-treated patients (p < 0.001). Advanced age was a risk factor for hyponatremia. Hyponatremia, once present, persisted in both groups.
The power-togas (P2G) technology-a promising way to connect power and gas networkswill be widely used in the power-gas-heating integrated system (PGHIS) to promote its operational flexibility. However, the higher operational costs will affect the application of P2G on PGHIS scheduling, which cannot be ignored. In this paper, a PGHIS scheduling model considering the P2G cost and wind power utilization is proposed to analyze the impact of the P2G cost characteristics. First, a PGHIS including P2G is introduced, and different kinds of P2G operational costs are clarified to capture the cost characteristics of the P2G. Then, a multi-objective day-ahead scheduling model of the PGHIS is proposed to coordinate the tradeoff between its operational costs and the wind power utilization. Finally, the ε-constraint and entropy weight methods are used to solve the multi-objective model. The numerical results demonstrate that P2G cost characteristics can significantly affect the day-ahead scheduling of the PGHIS, and the proposed model can effectively achieve a compromise solution. INDEX TERMS Cost characteristics, day-ahead scheduling, integrated energy system, power-togas (P2G), wind power utilization.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.