Abstract: An atomizer comprises an atomizing body, an atomizing assembly, an atomizing base and a fixing member. The atomizing base is disposed in one end of the atomizing body. The fixing member is installed outside the atomizing base and connected with the atomizing body. The fixing member is made of metal magnetic material.

Abstract: The present invention relates to a management method and a device for hazardous chemicals and a construction method of a management database. The construction method comprises following steps: determining a plurality of entities involved in entire lifecycle of hazardous chemicals; classifying the plurality of entities to define a plurality of entity classes involved in the management database; defining a plurality of relationship classes according to one or more relationships involved between every two of the entity classes; using the relationship from one or more of the relationship classes to constrain the relationships between every two entities, so as to construct an ontology of the database; and importing actual data of the hazardous chemicals throughout their entire lifecycle into the ontology, so as to carry out instantiation of the ontology.

Abstract: An atomizer comprises an atomizing body, an atomizing base disposed at one end of the atomizing body, and a fixing member installed outside the atomizing base and connected with the atomizing body. The atomizing base is fixed on the atomizing body by the fixing member, and the fixing member is made of a material that can be adsorbed by a magnet and comprises a tabular main body portion corresponding to the atomizing base. The atomizing base is fixed on the atomizing body by the fixing member, and after the atomizer is connected and assembled with a power supply assembly, an adsorption force between the tabular main body portion and the magnet can increase.

Abstract: The disclosure relates to a construction method and device for a chemical knowledge graph, an intelligent question answering method and device for chemical knowledge, and two computer-readable storage media. The construction method comprises the following steps: obtaining knowledge data in chemical industry field; pre-processing the knowledge data to obtain entity data and property data related to chemical knowledge; determining a preliminary knowledge representation according to the entity data and the property data; performing entity alignment on the preliminary knowledge representation to obtain a standard knowledge representation; and constructing the chemical knowledge graph according to the standard knowledge representation.

Abstract: A vaporizer includes: an infrared radiator for radiating heat; and a vaporization core including an accommodating cavity for accommodating the infrared radiator, the vaporization core having a vaporization surface defining a boundary of the accommodating cavity. An entirety of the vaporization surface is arranged around the infrared radiator. A gap is formed between the vaporization surface and the infrared radiator.

Abstract: An aerosol-forming apparatus includes: a vaporization assembly having: a liquid storage body with a liquid storage vaporization cavity for storing aerosol-forming substrate; and a heating body for heating and vaporizing the aerosol-forming substrate when power is applied. The heating body is slidably connected to the liquid storage body between a first location and a second location. The heating body is located outside the aerosol-forming substrate when the heating body is located at the first location. At least a part of the heating body protrudes into the aerosol-forming substrate when the heating body is located at the second location.

Abstract: A vaporizer includes a base assembly and a vaporization core. The base assembly is provided with an air inlet channel in communication with the outside. The vaporization core forms a vaporization cavity and is configured to communicate with the air inlet channel of the base assembly. The vaporization core has a vaporization surface configured to vaporize a vaporization medium and define a part of a boundary of the vaporization cavity. A tangent of the air inlet channel at a connection point in communication with the vaporization cavity and a tangent of the vaporization surface form an acute angle.

Abstract: An electromagnetic heating assembly includes: a fixing tube with two run-through ends for fixing an aerosol-forming substrate; a heating body at least partially extending from a first end of the fixing tube into the fixing tube and inserted into the aerosol-forming substrate in the fixing tube; and an induction coil sleeved on a periphery of the fixing tube for generating electromagnetic induction under an energized state so as to cause the heating body to heat. A ratio of a total height of the induction coil to a depth by which the heating body is inserted into the aerosol-forming substrate in the fixing tube ranges from 1:1 to 3:1.

Abstract: A nucleic acid amplification in-situ real-time detection system and method using a micro-fluidic chip through optical fiber sensing. The system includes a white light source, a detection optical path, a microfluidic chip and a spectrum acquisition, processing and display module, which are connected in sequence. The detection optical path is configured to transmit white light from the white light source to the micro-fluidic chip and transmit an optical signal made by the microfluidic chip to the spectrum acquisition, processing and display module. The micro-fluidic chip is configured to carry out biochemical reaction; the spectrum acquisition, processing and display module is configured to acquire the optical signal, analyze the signal and generate a visual biochemical reaction real-time dynamic-change signal curve.

Abstract: A method and system for predicting products of an aromatic hydrocarbon isomerization production process are provided. The method includes generating multiple initial sample points, using a mechanism the actual output response values of all of the initial sample points; establishing an radial basis function (RBF) model according to the initial sample points and actual output response values thereof; using a particle swarm optimization (PSO) algorithm to find expected deviation between nearest neighbors as well as the sampling point having the largest sparsity product, using mechanism model to calculate the output response value of said sampling point on RBF model, adding output response value into the sample points, and reconstructing the surrogate model; repeating the previous step until the upper limit for the number of sample points is reached to obtain a final RBF model; and using the RBF model to predict product yield of aromatic hydrocarbon isomerization.

Abstract: A heating structure for a cigarette includes: a hollow and tubular heating body insertable into the cigarette from a top end, a top end of the heating body including an opening and a side wall of the heating body including at least one gap extending from the opening on the top end to a bottom end of the heating body.

Abstract: An atomizer comprises an atomizing body, an atomizing base disposed at one end of the atomizing body, and a fixing member installed outside the atomizing base and connected with the atomizing body. The atomizing base is fixed on the atomizing body by the fixing member, and the fixing member is made of a material that can be adsorbed by a magnet and comprises a tabular main body portion corresponding to the atomizing base. The atomizing base is fixed on the atomizing body by the fixing member, and after the atomizer is connected and assembled with a power supply assembly, an adsorption force between the tabular main body portion and the magnet can increase.