Abstract: An electronic cigarette, an atomization assembly and an atomization component for the same. The atomization component comprises a porous base, a first film, and a second film. The porous base material comprises an atomization surface. The first film and the second film are sequentially formed on the atomization surface. At least one of the first film or the second film is used for generating heat when charged, so as to heat and atomize an e-liquid on the atomization surface.

Abstract: The present application discloses a cerebral perfusion state classification apparatus and method, a device, and a storage medium. The method includes: acquiring, by a transceiving module, cervical blood flow data from an ultrasound data collecting device; determining, by a processor, cerebral perfusion data corresponding to the cervical blood flow data based on the cervical blood flow data and a mapping relationship between the cervical blood flow data and the cerebral perfusion data, and classifying cerebral perfusion states of a plurality of brain regions based on blood perfusion characteristics of the plurality of brain regions in the cerebral perfusion data.

Abstract: The present invention provides a call processing method and a device. The call processing method includes: receiving, by a customized alerting tone server, a call request sent by a calling terminal, and forwarding the call request to a called terminal; receiving a called terminal ringing message, and playing a customized alerting tone audio stream and a customized alerting tone video stream to the calling terminal; receiving a called terminal message indicating that a called user answers a call, and performing call media resource negotiation and customized alerting tone video resource negotiation with the calling terminal; and stopping playing the customized alerting tone audio stream to the calling terminal, and playing the customized alerting tone video stream to the calling terminal. The customized alerting tone continuous playing solution of the present invention enriches user experience and improves network usage.

Abstract: A ceramic includes: a ceramic base; and a modification layer arranged on a surface of the ceramic base. The modification layer includes a bismuth-based oxide and other components. In an embodiment, the ceramic base includes a porous ceramic. In an embodiment, the bismuth-based oxide includes bismuth trioxide. In an embodiment, a mass percentage of bismuth in the modification layer is 50% to 80%.

Abstract: A vaporization core includes: a porous substrate having a vaporization surface; a heating layer disposed on the vaporization surface of the porous substrate; and a protective layer disposed on a surface of the heating layer far away from the porous substrate. The protective layer includes metal aluminum and alumina, and the alumina at least partially covers a surface of the metal aluminum to form an alumina layer.

Abstract: A vaporization core includes: a porous substrate having a vaporization surface; a heating layer arranged on the vaporization surface of the porous substrate; and an oxide layer arranged on a surface of the heating layer away from the porous substrate. In an embodiment, the oxide layer comprises aluminum oxide and/or silicon oxide.

Abstract: A heating assembly includes: a preheating portion; and a vaporization portion located on the preheating portion. The preheating portion includes a porous ceramic and a positive temperature coefficient thermosensitive material. A circuit in which the preheating portion is located is connected in parallel with a circuit in which the vaporization portion is located.

Abstract: An atomization component includes: a matrix; and a heating film. The matrix includes an atomization surface. The heating film is arranged on the atomization surface, and when energized, heats and atomizes an aerosol-generating substrate on the atomization surface. The heating film includes a metal heating layer and an inorganic protection layer that are stacked, the inorganic protection layer being arranged on a surface of the metal heating layer that is away from the matrix. The metal heating layer includes at least two sub-metal layers that are sequentially stacked. Any two adjacent sub-metal layers have different components.

Abstract: A vaporization element of an electronic vaporization device includes: a porous substrate; and a heating layer. The porous substrate includes a vaporization surface and the heating layer covers the vaporization surface. The heating layer includes a conductive layer and a stabilizing layer, the conductive layer covers the vaporization surface, and the stabilizing layer covers a surface of the conductive layer far from the porous substrate. A resistivity of the stabilizing layer is higher than a resistivity of the conductive layer. An oxidation resistance of the stabilizing layer is lower than an oxidation resistance of the conductive layer.

Abstract: A modification layer on a surface of a ceramic substrate, includes, in parts by mass: 56 to 67.5 parts of silicon dioxide; 12 to 18 parts of aluminum oxide; and 2.8 to 5.5 parts of lithium oxide. In an embodiment, the modification layer further includes, in parts by mass: at least one of 1.8 to 2.8 parts of phosphorus pentoxide; 0.5 to 2.0 parts of calcium oxide; 0.15 to 1.5 parts of magnesium oxide; and 2.5 to 5.25 parts of barium oxide.

Abstract: An electronic cigarette, an atomization assembly and an atomization component for the same. The atomization component comprises a porous base, a first film, and a second film. The porous base material comprises an atomization surface. The first film and the second film are sequentially formed on the atomization surface. At least one of the first film or the second film is used for generating heat when charged, so as to heat and atomize an e-liquid on the atomization surface.