Abstract: The present invention discloses a shed tunnel structure for preventing a falling rock, including a shed tunnel body and a buffer plate for bearing impact of the falling rock, where the shed tunnel body includes a first supporting structure, and the first supporting structure is arranged on a side away from a ramp; one end of the buffer plate is connected to the ramp; a side face of the buffer plate close to the shed tunnel body is in movable contact with the first supporting structure, and the contact position is close to the other end of the buffer plate. The objective of resisting continuous impact of the falling rock can be achieved through the structural design.

Abstract: A catalyst including platinum (Pt) and a composite support. The composite support includes ZrO2/mesoporous silica sieve SBA-15. The platinum accounts for 0.01-0.3 wt. % of the catalyst. ZrO2 accounts for 5-20 wt. % of the composite support.

Abstract: A method for preparing (S)-nicotine by reduction includes conducting a reduction process on an alkene compound as shown in Formula I and/or an iminium cation compound as shown in Formula II, thereby producing (S)-nicotine. The method is simple, safe, reliable, and yields both high purity and high quantities of (S)-nicotine production.

Abstract: A slurrying device includes a slurrying tank and a rotor stirrer. The rotor stirrer includes a stirring drum, a transmission gear arranged at an end face of the stirring drum configured to face the slurrying tank, and a rotor stirring rod configured to extend from the stirring drum and into the slurrying tank to stir a slurrying liquid in the slurrying tank. The rotor stirring rod is meshed with the transmission gear and configured to revolve along a planar trajectory of the transmission gear while simultaneously rotating. The rotor stirrer further includes a driving device provided at the stirring drum and configured to drive the rotor stirring rod to rotate via the transmission gear.

Abstract: An energy conversion device is provided. The energy conversion device includes a reversible pulse-width modulation (PWM) rectifier (102) and a motor coil (103). The motor coil (103) includes L sets of winding units, and each set of winding unit is connected with the reversible PWM rectifier (102), where L?2 and is a positive integer. At least two sets of heating circuits of a to-be-heated device are formed by an external power supply (100), the reversible PWM rectifier (102), and the winding units in the motor coil (103). The energy conversion device controls the reversible PWM rectifier (102) according to a control signal, so that a current outputted from the external power supply (100) flows through at least two sets of winding units in the motor coil (103) to generate heat.

Abstract: The present application relates to a method for citalopram intermediate citalopram diol. The method comprises: first mixing two Grignard reagents required for a reaction; then mixing the mixed Grignard reagents with a raw material 5-cyanophthalide in a temperature-controllable micromixer to obtain a reaction solution; then subjecting the reaction solution to the reaction by means of a reactor to obtain a citalopram diol reaction solution; and then performing operations such as quenching, concentration, extraction, acidification, and crystallization to obtain a qualified product. The citalopram diol provided in the present invention has good selectivity, high yield, high safety, safety and reliability, and little sewage discharge, and is suitable for industrial production.

Abstract: A cloud-edge collaborative processing system includes: an edge computing system, an ICU diagnosis and treatment device, a service terminal device, and a cloud platform. The edge computing system collects multi-source heterogeneous medical data output from the ICU diagnosis and treatment devices and performs preprocessing, stores preprocessed data into an edge database, and connects to the cloud platform for data transmission and business interaction. The cloud platform connects to a plurality of edge computing systems to perform computation and processing of massive data. The medical-staff handheld terminals and the data terminals of wards are used to issue service instructions to the cloud platform to obtain the required third-party-business services.

Abstract: A heat insulation and preservation composite board includes a first panel layer and a heat insulation and preservation layer. The heat insulation and preservation layer and the first panel layer are integrally formed. The first panel layer is a fiber-reinforced resin-based composite sheet, a metal plate, a cement plate, a calcium silicate plate, or a gypsum plate. The heat insulation and preservation layer is a fiber-reinforced aerogel felt. A preparation method of the heat insulation and preservation composite board includes: (1) laying the fiber-reinforced aerogel felt flat; (2) laying the first panel layer flat on the upper surface of the fiber-reinforced aerogel felt; (3) performing a hot-press molding process to obtain the heat insulation and preservation composite board.

Abstract: The disclosure relates to a sandwich composite board and a preparation method thereof. The sandwich composite board includes, from top to bottom, an upper panel layer, a core material layer, and a lower panel layer, wherein the upper panel layer and the lower panel layer are glass or fiber reinforced resin-based composite sheets; and the core material layer is composed of an aerogel, a resin, and an expandable microsphere foaming agent. Method (1) includes: heating and melting the resin to obtain slurry A, cooling the same, adding the aerogel and the expandable microsphere foaming agent thereto, and uniformly mixing the same to obtain slurry B, then flat-laying the lower panel layer, coating or printing with the slurry B, then laying the upper panel layer and hot press molding the same.

Abstract: The present disclosure provides a preparation method of an aluminum silicate fiber-reinforced aerogel felt, including the following steps: mixing orthosilicate, ethanol, and water evenly, adding an NH4F solution and ammonia water successively, and stirring evenly to obtain a silica sol; winding an aluminum silicate fiber felt into a roll and mounting on a rotatable central shaft of a impregnation reaction kettle; where a plurality of injection holes are equidistantly provided on a surface of the reaction kettle; the central shaft of the reaction kettle drives the aluminum silicate fiber felt to rotate and slowly inject the silica sol into the surface of the fiber felt through the injection holes to conduct the impregnation; allowing the fiber felt-gel composite to stand to conduct aging; placing the aged fiber felt-gel composite in absolute ethanol to conduct solvent replacement to remove moisture; and drying to obtain the aluminum silicate fiber-reinforced aerogel felt.

Abstract: The present invention belongs to the technical field of mobile transformer substation, and in particular relates to a vehicle-mounted mobile transformer with a position-adjustable lead-out bushing.

Abstract: An orth-mode transducer (OMT) assembly, including an OMT common port, an OMT feeder, and a polarization separated core. An input end of the OMT common port is connected to a single polarization antenna, one end of the OMT feeder is connected to an output end of the OMT common port, and an other end of the OMT feeder is connected to the polarization separated core, the OMT feeder has a tubular structure, and horizontal and vertical axes of an inner wall cross section of the OMT feeder are unequal, or a tuning rod is disposed in a tube of the OMT feeder and is perpendicular to an extension direction of the tube, and a vertical polarization port and a horizontal polarization port are disposed in the polarization separated core, the vertical polarization port transmits a vertical polarization wave, and the horizontal polarization port transmits a horizontal polarization wave.

Abstract: The present disclosure relates to disaccharides with defined sulfation patterns, and oligosaccharide mimetics comprising the disaccharides as repeating units linked in a head to tail fashion. The present disclosure further relates to methods of making the same, and to methods of using the same to mediate cell proliferation, cell differentiation, amyloid plaque formation, anti-coagulation, and neuronal growth.

Abstract: The present application relates to a synthesis method for cariprazine, comprising performing an acylation reaction between a compound represented by formula (I) and dimethylcarbamoyl chloride in a reaction solvent in the presence of an aqueous solution of an inorganic base, so as to obtain the cariprazine compound represented by formula (II). The synthesis method overcomes defects in the prior art such as a long reaction time, large size impurities and the difficulty of purification, and provides a new method suitable for commercial production wherein the reaction is fast, impurity sizes are small, the product is easily purified, the purity of the product can reach 99.0% or more, and the yield is high.

Abstract: The present application relates to a method for citalopram intermediate citalopram diol. The method comprises: first mixing two Grignard reagents required for a reaction; then mixing the mixed Grignard reagents with a raw material 5-cyanophthalide in a temperature-controllable micromixer to obtain a reaction solution; then subjecting the reaction solution to the reaction by means of a reactor to obtain a citalopram diol reaction solution; and then performing operations such as quenching, concentration, extraction, acidification, and crystallization to obtain a qualified product. The citalopram diol provided in the present invention has good selectivity, high yield, high safety, safety and reliability, and little sewage discharge, and is suitable for industrial production.

Abstract: The present invention relates to the provision of salt-sensitive particles capable of improving the feeling of effects at the time of use of an oil agent to be blended in a cleaner or the like and a method for producing the same, and so on. The present invention provides the following [1] to [4]. [1] Salt-sensitive particles containing an oil agent having a solubility in 100 g of water of less than 1 g and an acid-modified polyvinyl alcohol, wherein the oil agent is dispersed in the salt-sensitive particles. [2] A cleaner containing the salt-sensitive particles as set forth in [1]. [3] A method for cleaning a skin, a hair, or a clothing, including using the cleaner as set forth in [2]. [4] A method for producing the salt-sensitive particles as set forth in [1], including a step of preparing an emulsion composition containing an oil agent having a solubility in 100 g of water of less than 1 g and an acid-modified polyvinyl alcohol; and a step of removing the water from the emulsion composition.

Abstract: The present application relates to a synthesis method for cariprazine, comprising performing an acylation reaction between a compound represented by formula (I) and dimethylcarbamoyl chloride in a reaction solvent in the presence of an aqueous solution of an inorganic base, so as to obtain the cariprazine compound represented by formula (II). The synthesis method overcomes defects in the prior art such as a long reaction time, large size impurities and the difficulty of purification, and provides a new method suitable for commercial production wherein the reaction is fast, impurity sizes are small, the product is easily purified, the purity of the product can reach 99.0% or more, and the yield is high.

Abstract: Provided are a fosaprepitant phosphate intermediate (IV) preparation method, a fosaprepitant phosphate intermediate (IV-A) and a method of (AA) for preparing fosaprepitant dimeglumine by using the intermediate (IV-A). IV: R1 and R2 are independently selected from C1-C7 alkyl groups or benzyl groups; IV-A: R1 and R2 are independently selected from C1-C7 alkyl groups, and R1 and R2 are not both benzyl groups.

Abstract: The present invention belongs to the technical field of mobile transformer substation, and in particular relates to a vehicle-mounted mobile transformer with a position-adjustable lead-out bushing.

Abstract: An orth-mode transducer (OMT) assembly, including an OMT common port, an OMT feeder, and a polarization separated core. An input end of the OMT common port is connected to a single polarization antenna, one end of the OMT feeder is connected to an output end of the OMT common port, and an other end of the OMT feeder is connected to the polarization separated core, the OMT feeder has a tubular structure, and horizontal and vertical axes of an inner wall cross section of the OMT feeder are unequal, or a tuning rod is disposed in a tube of the OMT feeder and is perpendicular to an extension direction of the tube, and a vertical polarization port and a horizontal polarization port are disposed in the polarization separated core, the vertical polarization port transmits a vertical polarization wave, and the horizontal polarization port transmits a horizontal polarization wave.