Abstract: A method for supporting P2P communication between two user equipments in TDD CDMA systems, performed by user equipment, comprising: receiving signals transferred via the downlink control channel from network system; acquiring the timeslot allocation information and the spreading code allocation information of other active user equipments allocated in the specific downlink timeslot associated with the direct link used by said user equipments, according to the received signals; and synchronizing the P2P communication signals received by the user equipment and signals from network system, according to the acquired timeslot allocation information and spreading code allocation information, so as to reduce the interference caused by the downlink signals transmitted from network system to other user equipments during the P2P communication process.

Abstract: A method for supporting P2P communication between two user equipments in TDD CDMA systems, performed by user equipment, comprising: receiving signals transferred via the downlink control channel from network system; acquiring the timeslot allocation information and the spreading code allocation information of other active user equipments allocated in the specific downlink timeslot associated with the direct link used by said user equipments, according to the received signals; and synchronizing the P2P communication signals received by the user equipment and signals from network system, according to the acquired timeslot allocation information and spreading code allocation information, so as to reduce the interference caused by the downlink signals transmitted from network system to other user equipments during the P2P communication process.

Abstract: An emulsion fuel additive to be mixed with a fuel oil and water for forming an emulsion fuel oil is disclosed. The emulsion fuel oil additive includes an emulsion reagent for forming a water-in-oil (W/O) emulsion fuel oil with the fuel oil and the water, a combustion-assisting reagent for improving ignition and combustion of the emulsion fuel oil, a stabilization reagent for forming an interface membrane between the fuel oil and the water by a chemical reaction at a specific temperature, a promotion reagent for promoting emulsification of the fuel oil and the water and promoting the interface membrane formation by the stabilization reagent, and an antioxidant reagent for preventing deterioration of the emulsion fuel oil during storage.

Abstract: An emulsion fuel oil additive to be mixed with a fuel oil and a water for forming an emulsion fuel oil is disclosed. The emulsion fuel oil additive includes an emulsion reagent for forming an water-in-oil (W/O) emulsion fuel oil with the fuel oil and the water, a combustion-assisting reagent for improving ignition and combustion of the emulsion fuel oil, a stabilization reagent for forming an interface membrane between the fuel oil and the water by a chemical reaction at a specific temperature, a promotion reagent for promoting emulsification of the fuel oil and the water and promoting the interface membrane formation by the stabilization reagent, and an antioxidant reagent for preventing deterioration of the emulsion fuel oil during storage.