Abstract: Provided is a method and system for predicting building heating and cooling electrical loads. The method includes: obtaining actual and simulated heating and cooling electrical data of a plurality of source domain buildings as well as simulated heating and cooling electrical load data of a target domain building; calculating temporal errors of heating and cooling electrical data of the plurality of source domain buildings; calculating correlation of the target domain building with the plurality of source domain buildings, and on this basis, calculating weighted errors; transferring the weighted errors to the simulated heating and cooling electrical load data of the target domain building, using heating and cooling electrical load data after the transfer as historical heating and cooling electrical load data of the target domain building; constructing and training a prediction model; and predicting heating and cooling electrical load data of the target domain building through the trained prediction model.

Abstract: An electronic device includes a substrate having opposite first and second sides, the first side attached to a metal structure, as well as a first semiconductor die attached to the first side of the substrate, a bond wire connected to the first semiconductor die, and a second semiconductor die attached to the second side of the substrate. A method of fabricating an electronic device includes attaching a first semiconductor die to first side of a substrate, attaching an opposite second side of the substrate to a lead frame, connecting a bond wire to a conductive feature of the first semiconductor die, and forming flip chip connections to attach a second semiconductor die to conductive features of an opposite second side of the substrate.

Abstract: A method includes performing a printing process that deposits a magnetic paste onto a first side and into an opening of a laminate; curing the magnetic paste to form a first transformer core piece having a first portion along the first side and a second portion filling the opening of the laminate; joining a second transformer core piece to a side of the second portion of the first transformer core piece to form a transformer. A transformer includes a laminate; a first core piece; and a second core piece, the first core piece comprising: a cured magnetic paste, a first portion along a side of the laminate, and a second portion filling an opening of the laminate, the second core piece extending along a side of the second portion of the first transformer core piece, and the laminate having windings that encircle the opening.

Abstract: A microelectronic device package includes: a package substrate having a first set of leads spaced from a first die pad configured for mounting semiconductor devices, and a second set of leads spaced from a second die pad configured for mounting additional semiconductor devices, the first die pad and the first set of leads spaced from the second die pad and the second set of leads. Semiconductor devices are mounted to the first die pad and second die pad. A ceramic interposer is mounted to the package substrate in thermal contact with at least the first die pad. Mold compound covers the semiconductor devices, a portion of the ceramic interposer, and portions of the first set and the second set of leads.

Abstract: A described example includes: a heat slug coupled to a package substrate, the heat slug configured to conduct a current between terminals of the package substrate; a first magnetic shield mounted to a top surface of the package substrate, the first magnetic shield including a die mount area; a semiconductor die flip chip mounted to the die mount area; a second magnetic shield mounted to the package substrate, the second magnetic shield having a cantilever portion extending over a portion of the semiconductor die including a Hall element; electrical connections of wire bonds or ribbon bonds between bond pads of the semiconductor die and leads on the package substrate; and mold compound covering the electrical connections, the semiconductor die, the first magnetic shield, and the second magnetic shield, while a portion of the heat slug is exposed forming a thermal pad for a semiconductor device package.

Abstract: The present disclosure belongs to the technical field of synthetic biology, and relates to a method for producing spermidine. The present disclosure adopts a metabolic engineering method by introducing a novel exogenous pathway, eliminates the inhibition of various products in the spermidine synthesis pathway, changes the spermidine transport system, and enhance the enzymatic activities of key pathways. As a result, genetically engineered strains of Serratia marcescens and Escherichia coli with high yield of spermidine are obtained. The spermidine concentration in the shake flask supernatant reaches 26.8 g/L for genetically engineered strain of Serratia marcescens and 24.7 g/L for the genetically engineered strain of Escherichia coli, respectively, both demonstrating good potential for industrial application.

Abstract: In an example, a Hall sensor can include an IC die formed on a lead frame that is configured to conduct a current, the IC die being configured to sense a magnetic field resulting from the current. The Hall sensor can include at least one magnetic permeability material film formed on the IC die. The Hall sensor can include at least one permalloy material layer formed on the respective at least one magnetic permeability material film, the at least one magnetic permeability material film and the at least one permalloy material layer combining to provide a magnetic concentrator providing concentration of the magnetic field.

Abstract: A described example includes: a heat slug coupled to a package substrate, the heat slug configured to conduct a current between terminals of the package substrate; a first magnetic shield mounted to a top surface of the package substrate, the first magnetic shield including a die mount area; a semiconductor die flip chip mounted to the die mount area; a second magnetic shield mounted to the package substrate, the second magnetic shield having a cantilever portion extending over a portion of the semiconductor die including a Hall element; electrical connections of wire bonds or ribbon bonds between bond pads of the semiconductor die and leads on the package substrate; and mold compound covering the electrical connections, the semiconductor die, the first magnetic shield, and the second magnetic shield, while a portion of the heat slug is exposed forming a thermal pad for a semiconductor device package.

Abstract: Disclosed are production of terpenoid compound and the strain used by, which belong to the technical field of bioengineering. The disclosure constructs an engineered strain of Serratia marcescens in production of hemiterpenes or monoterpenes, and the engineered strain of S. marcescens can produce linalool, isoprene, isopentenol, 1,8-cineole, ?-pinene, pinene, ?-terpinene, geraniol, (+)-limonene, (?)-limonene, myrcene, ?-ocimene, sabinene, (?)-?-bisabolol, farnesol, longifolene, valencene, ?-elemene, farnesene, patchoulol, pentalenene, and ?-santalene. In a 30 L fermenter, the yield of linalool produced by the engineered strain of S. marcescens is 40.72 g·L?1.

Abstract: A negative electrode material includes a carbon-based material. In an X-ray diffraction pattern of the negative electrode material tested by X-ray diffractometry, a diffraction peak a is exhibited at a diffraction angle 2? of 43° to 44°, a diffraction peak b is exhibited at a diffraction angle 2? of 45° to 47°, an intensity of the diffraction peak a is Ia, and an intensity of the diffraction peak b is Ib, and Ia/Ib>1.

Abstract: A negative electrode material is provided. The negative electrode material comprises a carbon-based material. In a nitrogen adsorption-desorption test of the negative electrode material, 0.004 cm3/g?S?0.030 cm3/g, wherein S is an adsorption volume of pores with a pore diameter of 3 nm to 35 nm in the negative electrode material. In a charge-discharge test of a button battery prepared by using lithium as a negative electrode and using the negative electrode material as a positive electrode, a gravimetric capacity of the negative electrode material measured when the button battery is discharged to ?5 mV is Cap A, and the gravimetric capacity of the negative electrode material measured when the button battery is discharged to a voltage of 5 mV is Cap B, 10 mAh/g?Cap A?Cap B?20 mAh/g.

Abstract: A negative electrode material including a carbon-based material. In a thermogravimetric test of the negative electrode material, the negative electrode material has an exothermic peak within a temperature range of 600° C. to 800° C. in an air atmosphere. The negative electrode material of this application has excellent kinetic performance, thereby effectively improving discharge rate performance of a secondary battery including the negative electrode material.

Abstract: A described example includes: a package substrate including a mounting pad, at least one die pad, a first set of conductive leads, and a second set of conductive leads spaced from the first set of conductive leads; a semiconductor die mounted to the at least one die pad with a first die attach material; a laminate transformer with integral magnetic material mounted on the mounting pad with a second die attach material; first electrical connections of wire bonds or ribbon bonds between the bond pads of the semiconductor die and the first set of conductive leads; second electrical connections of wire bonds or ribbon bonds between the bond pads of the semiconductor die and the laminate transformer with integral magnetic material; and mold compound covering the electrical connections, the semiconductor die, the laminate transformer with integral magnetic material and portions of the package substrate.

Abstract: A described example includes: a heat slug coupled to a package substrate, the heat slug configured to conduct a current between terminals of the package substrate; a first magnetic shield mounted to a top surface of the package substrate, the first magnetic shield including a die mount area; a semiconductor die flip chip mounted to the die mount area; a second magnetic shield mounted to the package substrate, the second magnetic shield having a cantilever portion extending over a portion of the semiconductor die including a Hall element; electrical connections of wire bonds or ribbon bonds between bond pads of the semiconductor die and leads on the package substrate; and mold compound covering the electrical connections, the semiconductor die, the first magnetic shield, and the second magnetic shield, while a portion of the heat slug is exposed forming a thermal pad for a semiconductor device package.

Abstract: Provided are an information generation method and apparatus, and an electronic device.

Abstract: A microelectronic device includes a die pad having a first surface and a second, opposite, surface. A first component is directly attached to the first surface of the die pad through a first thermally conductive material. A second component is directly attached to the second surface of the die pad through a second thermally conductive material. At least a portion of the second component overlaps at least a portion of the first component. The microelectronic device further includes a first thermal shunt connecting the die pad to a first lead, and a second thermal shunt connecting the die pad to a second lead. The first thermal shunt is closer to a center of the first component than to a center of the second component. The second thermal shunt is closer to a center of the second component than to a center of the first component.

Abstract: The disclosure discloses a strain and method for producing rosmarinic acid, and belongs to the technical field of bioengineering. The disclosure constructs a recombinant cell or a combination of recombinant cells expressing 4-coumarate: CoA ligase, rosmarinic acid synthase, polyphosphate kinase 2-I (PPK2-I) and polyphosphate kinase 2-II (PPK2-II), and utilizes the recombinant cell or the combination of recombinant cells to catalyze Danshensu and caffeic acid for synthesizing rosmarinic acid. The disclosure has good industrial application prospects.

Abstract: The present invention includes techniques for data processing and particularly relates to a method and system for predicting human fall risk based on electronic nursing text (ENT) data. The method comprises the following steps: obtaining an ENT data set, pre-processing data in the ENT data set, and constructing a Morse Fall Scale (MFS) dictionary with the pre-processed data; extracting features from the ENT data of patients to be predicted with a natural language processing technology; analyzing the extracted text features by the MFS dictionary to obtain a data set of risk factors; training a decision tree algorithm by using the data set of risk factors to obtain a prediction result of the patient's fall risk; clustering and precisely nursing the patients according to the prediction result.

Abstract: An apparatus includes a magnetic core and an inductor. The magnetic core has a cylindrical boss and a base plate. The cylindrical boss has a first end and a second end. The base plate extends perpendicularly from the first end of the cylindrical boss. The base plate has a top side and a bottom side. The inductor includes a coil, a first terminal, and a second terminal. The coil is disposed on the top side of the base plate about the cylindrical boss. The first terminal is wrapped from the top side of the base plate to the bottom side of the base plate. The second terminal is wrapped from the top side of the base plate to the bottom side of the base plate.

Abstract: A method includes performing a printing process that deposits a magnetic paste onto a first side and into an opening of a laminate; curing the magnetic paste to form a first transformer core piece having a first portion along the first side and a second portion filling the opening of the laminate; joining a second transformer core piece to a side of the second portion of the first transformer core piece to form a transformer. A transformer includes a laminate; a first core piece; and a second core piece, the first core piece comprising: a cured magnetic paste, a first portion along a side of the laminate, and a second portion filling an opening of the laminate, the second core piece extending along a side of the second portion of the first transformer core piece, and the laminate having windings that encircle the opening.