Abstract: The present disclosure provides a Bacillus subtilis strain for production of lycopene by an extracellular organelle. Specifically, in the present disclosure, synthesized crtE, crtI and crtB genes are integrated into plasmid PADK using gene recombination technology to construct plasmid PADK-FQHS, and the plasmid is transformed into Bacillus subtilis to construct strain BS PADK-FQHS. Subsequently, a dyna gene derived from Bacillus subtilis is integrated into plasmid PHT01 using gene recombination technology to construct plasmid PHT-dyna, and the plasmid is transformed into the strain BS PADK-FQHS to construct strain BS PADK-FQHS PHT-dyna. The lycopene yields in strains BS PADK-FQHS and BS PADK-FQHS PHT-dyna are detected, which demonstrates the promoting effect of nanotubes on the production of lycopene by Bacillus subtilis, with the yield increased by 67.1%.

Abstract: The present invention provides a bacterial continuous evolution system, an orthogonal error-prone DNA polymerase, and a continuous evolution method. In the present invention, by combining an orthogonal DNA replication system and an orthogonal error-prone DNA polymerase, a continuous evolution method that includes all mutant types, enables long-DNA-fragment mutation, and is good in continuity and simple and convenient to operate is obtained. By inducing the opening and closing of DNA polymerase expression, switching between a linear plasmid error-prone mutation process and a high-fidelity replication process is realized, so as to achieve the efficient and continuous evolution of a target DNA sequence.

Abstract: A non-invasive time domain reflection probe calibration method includes: using different volume ratio of ethanol and deionized water mixed solution to calculate a test target's medium weight coefficient and waveguide length of the non-invasive time domain reflection probes; using different concentrations of NaCl solutions to calibrate a waveguide geometric dimensioning of the non-invasive time domain reflection probes; preparing compacted soil samples with known different moisture contents and densities, and calibrating a correlation parameter of compacted soil samples' dielectric constant and conductivity with moisture content and density. The method not only determines the sensitivity of the test target medium of the non-invasive time domain reflection probes, but also obtains the waveguide length and geometric dimensioning of the probe, and realizes an accurate test of moisture content and density of the soil.

Abstract: A control blurring method and apparatus, a terminal device, and a readable storage medium are provided, which are applicable to the terminal field. The method includes: obtaining a dynamic parameter of a first control in a first frame image during drawing of the first frame image; encapsulating a drawing result of the first frame image and a dynamic parameter, to obtain a result of the encapsulation; performing composition on the drawing result of the first frame image based on the dynamic parameter, to obtain a composition result having a blur effect of the first frame image; and performing display based on the composition result of the first frame image.

Abstract: The present disclosure discloses a method and a system for monitoring chip open-circuit failure of a multi-chip IGBT module. The method first determines a health-sensitive parameter for monitoring chip open-circuit failure of the multi-chip IGBT module, then measures a value of the health-sensitive parameter of the multi-chip IGBT module and converts the value into an analog voltage signal, then determines a failure threshold of the analog voltage signal for determining that the multi-chip IGBT module has experienced chip open-circuit failure, and finally compares the measured analog voltage signal with the failure threshold to determine whether the multi-chip IGBT module has experienced chip open-circuit failure. The present disclosure enables monitoring of chip open-circuit failure of a multi-chip IGBT module without opening the package of the multi-chip IGBT module. Because only a gate voltage signal is required to be acquired, fewer factors affect the monitoring result, and measurement is easy to perform.

Abstract: The present disclosure discloses recombinant Escherichia coli for expressing a synthesis pathway of asiaticoside and application thereof, and belongs to the field of bioengineering. Rhamnosyltransferase with an amino acid sequence shown in any one of SEQ ID NO: 25 to SEQ ID NO: 29, glucosyltransferase with an amino acid sequence shown in any one of SEQ ID NO: 10 to SEQ ID NO: 17 and UGT73AH1 reported in a document are transferred into E. coli BL21 (DE3)?pgi to realize co-expression. Fermentation results show that all 5 rhamnosyltransferases screened in the present disclosure can achieve effects, and a unique new peak appears at 0.596 min, which is consistent with a characteristic ion flow of an asiaticoside standard product. According to the present disclosure, barriers of the prior art are broken through, a new biosynthesis method for asiaticoside is provided, and industrialization of biosynthesis of asiaticoside becomes possible.

Abstract: Embodiments of the present application disclose a data-driven predictive current modeling method, apparatus, medium, and device for a permanent magnet synchronous motor, and relate to the technical field of converters. The present application is intended to address the problem in the prior art that a predictive current model is susceptible to noise interference, resulting in reduced prediction accuracy. In the present application, a data-driven current prediction model for a motor is first obtained by taking into account the influence of a cross-saturation effect on electromagnetics under actual operating conditions. A ridge-regression-based calculation model for a parameter vector in the model is then constructed based on historical data. Further, by evaluating a severity level of noise in the data, dynamic adjustment of a ridge parameter is established to achieve adaptive penalization of the data noise.

Abstract: A robot control apparatus includes an acquisition interface that acquires an image of a plurality of work targets of a robot, an estimator that estimates the visibility of each of the work targets based on the image, and a work target specifier that selects a specific work target to be held by the robot from among the plurality of work targets based on the visibility.

Abstract: The subject invention provides a bran composition comprising a bran component with a reduced level of inorganic arsenic, a grain product that comprises such bran composition and at least one other component and/or other ingredient, and food products that are made from such bran composition and/or such grain product. The subject invention also provides methods of detoxifying a bran and/or grain product.

Abstract: The present invention provides a bath stand, which includes a base plate and a connecting base. The base plate includes a base plate main body and a base plate extension part; a base plate connection structure for connecting the base plate extension part to the base plate main body is arranged between the base plate extension part and the base plate main body. The connecting base is located above the base plate. A supporting assembly is arranged between the connecting base and the base plate to space the base plate apart from the connecting base vertically. A lower end of the supporting assembly is connected to the base plate; and an upper end of the supporting assembly is connected to the connecting base.

Abstract: This invention discloses a double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition. The materials of slurry I are: 35-45 parts of cement clinker; 15-25 parts of slag; 24-35 parts of fly ash; 15-25 parts of steel slag; 5-15 parts of bentonite; 4-10 parts of limestone tailing; 0.3-2.0 parts of water reducing agent; 0.5-2.5 parts of cellulose. The materials of slurry II are: 0.2-3.8 parts of short-cut fiber; 96-99 parts of sodium silicate solution; 0.8-4.8 parts of viscous polymers. This invention generates the double-liquid slurry preparation process including crushing-screening-milling-group mixing-grouped mixing at different speeds, the volume ratio of slurry I and II is 1:1-10:1 during grouting, and the slurry is injected into the shield void through the six-point position technology at the shield tail and 3+2+1 segment splicing synchronous grouting techniques.

Abstract: Embodiments of this application provide an animation effect display method and an electronic device, and relate to the field of electronic technologies. According to the animation effect display method provided in an embodiment of this application, before an animation effect is displayed, a UI thread of an application, or a rendering thread of the application, or a rendering process determines controls whose properties change in duration of the animation effect, and determines properties of controls on an interface of each frame, and then the rendering thread of the application or the rendering process generates, based on the properties of the controls on the interface of each frame, a bitmap corresponding to the interface of the frame.

Abstract: A sensor package comprises an active element with a first region and an opposite second region. The first region includes a sensing structure. The second region comprises at least one contact pad. A moulding compound encapsulates the second region and not the first region. The active element comprises at least one conductive line for routing signals from the sensing structure to the contact pad. The projection of the conductive line over the active element corresponds to a portion of the external surface of the active element. The active element comprises at least one dummy track providing a protrusion thereby raising a portion of the surface of the active element to at least the same height as the portion corresponding to the conductive line. These protrusions can receive mechanical pressure from a moulding insert applied during manufacture, relieving pressure over the portion of the surface including the conductive lines.

Abstract: A method of calculating residual stress in weld joints including establishing a finite element geometric model of an assembly comprising of a first metal alloy joined to a second metal alloy with a weld fillet and calculating the residual stress of the assembly by performing a finite element analysis (FEA) on the finite element geometric model over a predetermined heating and cooling temperature range effective to form the weld fillet by laser welding. The first metal alloy and the second metal alloy are dissimilar metals. The finite element analysis includes incorporating phase transformation and phase-specific properties of each of the first metal alloy and the second metal alloy, respectively, over the predetermined temperature range. The FEA may be executed by a solver and the phase transformation and phase-specific properties of the alloys may be incorporated into the solver by a user material subroutine (UMAT).

Abstract: This application describes methods, systems, and apparatus, for neural network-based program sampling (NPS). An example device may obtain an assembly code of a program and an execution trace of the program, and divide the assembly code into a plurality of execution intervals. The device may construct a plurality of code graphs respectively corresponding to the plurality of execution intervals, and for each of the plurality of code graphs: generate a plurality of graph snapshots based on the code graph and the execution trace of the program; embed, by using a Graph Neural Network, the plurality of graph snapshots into a plurality of vectors; and aggregate the plurality of vectors into an execution embedding. The device may cluster the plurality of execution embeddings into a plurality of clusters and select representative execution intervals of the program based on the plurality of clusters for execution.

Abstract: Disclosed is a preparation method of laser titanium kitchenware, and the laser titanium kitchenware in the present invention includes a pan body and a non-stick coating provided on an inner surface of the pan body. The non-stick coating is a nanoscale metal ceramic layer formed by extreme high-speed laser cladding and curing; or the non-stick coating is obtained by stacking a nanoscale metal ceramic layer formed by extreme high-speed laser cladding and curing and a new nano-ceramic material formed by curing; or the non-stick coating is obtained by alternately stacking a nanoscale metal ceramic layer formed by extreme high-speed laser cladding and curing and a new nano-ceramic material formed by curing for a plurality of times. The non-stick coating of the laser titanium kitchenware according to the present invention is characterized by good persistence of non-stick performance, high hardness, and good wear resistance.

Abstract: The present application relates to a gas adsorption concentration apparatus, including an adsorption section and a regeneration section. The adsorption section includes two or more adsorption modules each provided with a plurality of stages of adsorption units, the adsorption unit is configured as a fixed adsorption bed provided with an adsorbent, and when an adsorption gas containing adsorbates and basic components passes through the adsorption module, the adsorbates are adsorbed by the adsorbent in the adsorption unit. The regeneration section includes at least one desorption module provided with a plurality of stages of adsorption units, and when a hot desorption gas passes through the desorption module, the adsorbates in the adsorption unit are desorbed and carried out by the desorption gas. The adsorption units are transferred between the adsorption section and the regeneration section by means of an adsorption unit moving apparatus and circulate in adsorption and desorption processes.

Abstract: A vehicle-based communication method, a vehicle and a storage medium are provided. The method is applied to a vehicle, the vehicle includes a sending end and a receiving end of messages, and the method includes the steps that the sending end determines message information containing multiple pieces of semaphore information; the sending end determines a length of placeholder data of a semaphore and a bit field data structure containing the placeholder data according to the message information and the preset message data length, where the length of the placeholder data is determined according to the start position and the data length of a respective semaphore; and the sending end packs multiple semaphores based on the bit field data structure to obtain a target message, and sends the target message to the receiving end.