Abstract: A vaporizer includes: a base having a first cavity, and, on a bottom wall of the base, two electrode holes in communication with the first cavity; a vaporization core having a first electrode wire and a second electrode wire and mounted in the first cavity; and a first magnetic electrode and a second magnetic electrode. The first magnetic electrode is assembled in a first electrode hole of the two electrode holes and in contact with the first electrode wire electrically connectable to the first electrode wire. The second magnetic electrode is assembled in a second electrode hole of the two electrode holes and in contact with the second electrode wire electrically connectable to the second electrode wire.

Abstract: The present disclosure relates to an atomizer and an electronic atomizing device. The atomizer includes a base, a sealing member, an atomizing core and a flow guiding member. The sealing member is arranged between the base and the atomizing core. The base is provided with an air inlet channel, and the sealing member is provided with a directing hole configured to guide air to the atomizing core. Taking a plane perpendicular to an axial direction of the atomizer as a reference plane, a distance between orthographic projections of the flow guiding member and the directing hole on the reference plane is greater than zero.

Abstract: Materials and methods for a coated active electrode material for use in a lithium-ion battery is provided. In one example, a coating for an active electrode material or active electrode material precursor of an electrode of a battery cell may include lithium, boron, and oxygen. In particular, the coating may include lithium tetraborate (LBO), and the coating may be coated on a lithium insertion electrode active material such as lithium nickel manganese cobalt oxide (LiNixMnyCo1-x-yO2 or NMC).

Abstract: A metalens and methods of manipulating light using a metalens are provided. In some aspects, a metalens comprises a slab or substrate and a plurality of regions or features distributed on the slab. In some instances, the slab can be formed from a material having a first refractive index, and the plurality of regions can be formed from a material having a second refractive index. In some instances, the first refractive index can be higher than the second refractive index, and in some aspects, the plurality of regions define an optical modulation or manipulation structure for light having a target wavelength ? or the target range of wavelengths ??.

Abstract: An atomizer includes: a heating component comprising a porous body and a heater provided on the porous body; and a bottom base, a conductive member being arranged on the bottom base, an elastic conductive component being detachably arranged at an end of the conductive member, the elastic conductive component abutting against the heater. The heater is electrically connected to a power supply component through the elastic conductive component and the conductive member.

Abstract: The present disclosure relates to an atomizer and an electronic atomizing device. The atomizer includes a base assembly, an atomizing core and an electrode body. A mounting hole in fluidly communication with an outside atmosphere is formed in the base assembly. The atomizing core is at least partially located in the base assembly and used for atomizing liquid. The electrode body includes a conductive post electrically connected to the power supply and the atomizing core. The conductive post includes a cylinder portion with a circular cross-section. The cylinder portion is in interference fit with the mounting hole to seal the mounting hole.

Abstract: An atomizer includes: a liquid storage cavity; and an atomization base arranged opposite to and in fluid communication with the liquid storage cavity. An accommodation cavity is arranged in the atomization base, and an air exchange member communicating with an outside is arranged in the accommodation cavity. A first opening is arranged in the atomization base, the first opening being in airflow communication with the air exchange member and the liquid storage cavity.

Abstract: Materials and methods for a coated active electrode material for use in a lithium-ion battery is provided. In one example, a coating for an active electrode material or active electrode material precursor of an electrode of a battery cell may include lithium, boron, and oxygen. In particular, the coating may include lithium tetraborate (LBO), and the coating may be coated on a lithium insertion electrode active material such as lithium nickel manganese cobalt oxide (LiNixMnyCo1-x-yO2 or NMC).

Abstract: A method for evaluating rock drillability by a nano-indentation test on a rock cutting includes: conducting a nano-indentation test on a rock cutting sample, acquiring a displacement-load curve of an indenter, and calculating a micro-hardness under the nano-indentation test; calculating mineral composition of the rock cutting sample based on a statistical distribution characteristic of the micro-hardness, and transforming the micro-hardness under the nano-indentation test on the rock cutting sample into a macro-hardness; and calculating a rock drillability grade characterized by the micro-hardness under the nano-indentation test on the rock cutting sample based on a correlation between the macro-hardness of the rock cutting sample and the rock drillability grade. In the context of few downhole rock samples and high cost, the method overcomes the limitation of sample size and shape on conventional testing and solves the difficult problem of mechanical parameter testing of deep rocks.

Abstract: The present invention relates to an electronic atomizing device including an atomizing assembly and a puff sensor electrically connected with the atomizing assembly. An air passage fluidly connected to the atomizing assembly and a starting passage fluidly connected between the airflow passage and the puff sensor are defined in the electronic atomizing device. The starting passage defines a receiving groove for receiving a condensed aerosol. The condensed aerosol is received by the receiving groove when flowing into the starting passage, and is prevented from flowing into a main body to cause damage to elements such as the power supply, the puff sensor and a PCB therein, thereby extending the service life of the main body.

Abstract: Methods and systems are provided for a cathode material for lithium ion batteries. In one example, the cathode material may include a lithium mixed metal oxide core and a surface coating surrounding the core. Optionally, a passivating layer may continuously surround the surface coating. In some examples, the surface coating or surface layer may include a sacrificial lithium source, a lithium-based active cathode catalyst, or a combination thereof. In other examples, methods are provided for manufacturing the cathode material for use in a lithium ion battery.

Abstract: The present disclosure relates to a sealing member, an atomizer, and an electronic atomizing device. The atomizer includes a sealing member and a fixedly disposed atomizing core. The atomizer is provided with a liquid storage chamber, a mounting hole, and an inhalation passage. The sealing member includes a pulling part, a first sealing part, and a second sealing part that is provided on the atomizing core, both the pulling part and the first sealing part are movable relative to the mounting hole such that the sealing member has a sealed state and a use state. In the sealed state, the pulling part, the first sealing part, and the second sealing part are connected to each other, and the first sealing part and the second sealing part respectively isolate and seal the inhalation passage and the atomizing core from the liquid storage chamber.

Abstract: The present invention relates to the field of biomedicine. Disclosed herein is a method for preventing cancer recurrence, comprising i) intermittently administering an interferon-based therapeutic agent, and optionally ii) administering an additional anticancer agent, to a subject. The present invention also relates to a pharmaceutical combination for use in said method.

Abstract: An apparatus for a photonic crystal surface emitting laser (PCSEL) device includes a PC cavity comprising a photonic crystal (PC) lattice comprising first nanoholes in a core region of the PC cavity, a plurality of lateral distributed Bragg reflector gratings (DBRs) that are truncated around the PC lattice, and opening regions between adjacent and truncated lateral DBRs around the PC lattice. The PCSEL devise also includes a multiple quantum well (MQW) layer coupled to the PC cavity in a vertical direction. The PCSEL device is configured to emit light in the vertical direction.

Abstract: Structural members and methods for manufacturing a plastic-based, bulk, antimicrobial structural member of a robot. Such bulk antimicrobial plastic solution can meet the hygienic requirement and the mechanical performance requirement of a structural member of a robot simultaneously. Meanwhile, it may reduce the overall weight of the robot.

Abstract: In one embodiment, a nanobeam cavity device includes an elongated waveguide having a central optical cavity, first and second lateral substrates that are positioned on opposed lateral sides of the waveguide, and carrier-injection beams that extend from the first and second lateral substrates to the central optical cavity of the elongated waveguide.

Abstract: A battery assembly for an electronic vaporization device includes: a first circuit board for controlling operation of the electronic vaporization device; a second circuit board, stacked with the first circuit board, an orthographic projection of the second circuit board on the first circuit board not exceeding a maximum distance of the first circuit board in a length direction or a width direction; and a plurality of light emitting elements arranged on a surface of the second circuit board away from the first circuit board.

Abstract: The invention relates to the field of biomedicine. In particular, the present invention relates to an interferon-based method for treating a disease, comprising intermittently administering an interferon-based therapeutic agent to a subject, where the disease is for example a viral infection or a cancer.

Abstract: The present invention relates to the field of biomedicine. Disclosed herein is interferon-based method and pharmaceutical combination for treating cancer. In particular, the present invention relates to an interferon-based method for treating cancer, comprising i) intermittently administering an interferon-based therapeutic agent, and ii) administering an additional anticancer agent, preferably, Gemcitabine, to a subject. The present invention also relates to a pharmaceutical combination for use in said method.

Abstract: A method for evaluating rock drillability by a nano-indentation test on a rock cutting includes: conducting a nano-indentation test on a rock cutting sample, acquiring a displacement-load curve of an indenter, and calculating a micro-hardness under the nano-indentation test; calculating mineral composition of the rock cutting sample based on a statistical distribution characteristic of the micro-hardness, and transforming the micro-hardness under the nano-indentation test on the rock cutting sample into a macro-hardness; and calculating a rock drillability grade characterized by the micro-hardness under the nano-indentation test on the rock cutting sample based on a correlation between the macro-hardness of the rock cutting sample and the rock drillability grade. In the context of few downhole rock samples and high cost, the method overcomes the limitation of sample size and shape on conventional testing and solves the difficult problem of mechanical parameter testing of deep rocks.