Abstract: Provided are a directional pattern calculation method and apparatus for a beam pointing adjustable antenna. In the design method, key control factors are quantized, for example, a arrangement and combination modes for a plurality of slot units and wave-controlled codes for conducting and cut-off states of a slot unit, and different combinations of slot units and a far-field directional pattern of a controlled array antenna are evaluated, so that electrical performance indicators of the array antenna can be further evaluated. Weighting calculation is implemented for a directional pattern of a beam pointing adjustable antenna. Key information such as a form of a slot unit and a arrangement and combination modes for slot units can be globally optimized. Optimization on selection, a permutation, a combination, a spacing, and the like of slot units is greatly saved during antenna design, so as to focus on design of a structural form of a slot unit.

Abstract: Provided are a method and device for calculating directional pattern of the beam pointing adjustable antenna. In the method, a scattering parameter of a single slot unit is directly measured, and therefore, operability is strong, and the directional pattern of the beam pointing adjustable antenna is calculated without depending on simulation software. In addition, weighted calculation of the directional pattern of the beam pointing adjustable antenna is realized. Key information such as a form of the slot unit and an arrangement and combination mode of the slot units can be globally optimized.

Abstract: An apparatus may include a transient voltage suppression (TVS) device array coupled to a first input terminal and a second input terminal; and a linear regulator module having a pair of inputs connected to a respective pair of outputs of the TVS device array, wherein the TVS device array includes at least one TVS diode is connected between a first output and second output of the pair of outputs to generate a first clamping voltage signal, and wherein the linear regulator module is configured to generate a second clamping voltage signal having a second clamping voltage independent of a first clamping voltage of the first clamping voltage signal received from the TVS device array.

Abstract: The present disclosure provides a phase compensation method and apparatus for measuring an array antenna. The phase compensation method includes: an operation S1 of exporting measured far-field directivity patterns of a first array unit and a second array unit, to establish a coordinate system, so as to determine a spatial geometrical relationship between the first array unit and the second array unit; an operation S2 of determining a wave path difference between the first array unit and the second array unit based on the spatial geometrical relationship between the first array unit and the second array unit; and an operation S3 of performing phase compensation on the second array unit based on the wave path difference.

Abstract: The present disclosure provides a beam synthesis method for measuring an array antenna. The method includes: obtaining a phase, an amplitude, and related distance values of each antenna unit, where the related distance values include a first distance value and a second distance value; calculating a phase directivity pattern of each antenna unit, and compensating the phase directivity pattern of each antenna unit based on the phase and the first distance value of each antenna unit, to obtain a phase error value of each antenna unit; and synthesizing radio frequency signals of a plurality of antenna units based on the phase, the amplitude, the second distance value, and the phase error value of each antenna unit, to obtain an antenna beam.

Abstract: A method and an apparatus for measuring oil content of a tight reservoir based on nuclear magnetic resonance includes applying a pulse sequence to a tight reservoir rock, and after applying a first pulse and a last pulse in the pulse sequence, applying a gradient magnetic field to the tight reservoir rock, respectively, directions of the two applied gradient magnetic fields being opposite to each other, wherein the pulse sequence is composed of three 90° pulses; acquiring a nuclear magnetic resonance signal of the tight reservoir rock; and determining oil content of the tight reservoir rock according to an intensity of the nuclear magnetic resonance signal. The method can accurately distinguish an oil phase nuclear magnetic resonance signal and a water phase nuclear magnetic resonance signal in nanopores of tight reservoir rock, thereby effectively improving the accuracy of the detection result of the oil content of the tight reservoir rock.

Abstract: Systems and methods for making a thermoplastic carbon fiber plate having a plastic overmold. The method includes: heating a mold; inserting a thermoplastic carbon fiber component into a mold; mixing a supercritical fluid with a plastic mixture to infuse bubbles into the plastic mixture and to thereby reduce the density of the plastic mixture that includes a resin and glass fiber; injecting the mixture of the supercritical fluid and the plastic mixture into the mold so that a plastic overmold is formed and bonded to the thermoplastic carbon fiber component; and cooling the thermoplastic carbon fiber component and the plastic overmold. The cooled plastic overmold includes a foam core having a lower density due to the gas bubbles and a skin layer having a higher concentration of the resin than the foam core and a reduced surface roughness due to the heated mold.

Abstract: Single expander device working with two working media in a two-stage organic Rankine cycle, which has a cylinder body, a rotor disposed inside the cylinder body and provided with a number of slip sheets in a radial direction of the cylinder body, and a rotary shaft fixedly connected to the center of the rotor, with the outer profile of the cylinder body defined by two mathematical equations.

Abstract: An array substrate, a method for manufacturing an array substrate and a display device are provided. The array substrate includes: a base substrate, and an insulating layer, a gate line, a source electrode, a drain electrode, and a data line on the base substrate. The insulating layer includes a light transmission portion and a light shielding portion, and orthographic projections of the gate line, the source electrode, the drain electrode, and the data line on the base substrate are all within an orthographic projection of the light shielding portion on the base substrate.

Abstract: The present invention a method for determining the gas saturation of a tight reservoir. The method comprises the steps of: determining the pore size distribution of the tight reservoir rock sample, and calculating the free water saturation; calculating the water-membrane water saturation; calculating the corner water saturation; calculating the gas saturation of the tight reservoir rock sample according to the following equation: Sg=100?Sw wherein Sw is the water saturation in %; Sw is the sum of the free water saturation, the water saturation and the corner water saturation; Sg is the gas saturation in %. The method for determining the gas saturation of a tight reservoir uses model calculations, which avoids errors in the determination results of the gas saturation caused by water volatilization, surface adsorption, and observation of water flow during experiments.

Abstract: Provided are a series of BTK inhibitors, and specifically disclosed are a compound, pharmaceutically acceptable salt thereof, tautomer thereof or prodrug thereof represented by formula (I), (II), (III) or (IV).

Abstract: A diesel engine includes a cylinder head, a cylinder sleeve, a piston, an injector, and a combustion chamber. The top side of the piston includes an annular top surface, an annular collision belt and an annular cavity. The collision belt includes a collision surface, an upper guide surface, and a lower guide surface. An annular throat is formed between the upper guide surface and the cylinder head. The collision belt divides the combustion chamber into a headspace and a central portion. The volume of the headspace is more than three times of the volume of the central portion. A major portion of the fuel jet injected by the injector is directed into the headspace. The results are faster mixing of fuel and air and complete combustion in the combustion chamber, and a reduction of fuel consumption rate by 2%. A method for fuel distribution and combustion is also disclosed.

Abstract: An apparatus may include a transient voltage suppression (TVS) device array coupled to a first input terminal and a second input terminal; and a linear regulator module having a pair of inputs connected to a respective pair of outputs of the TVS device array, wherein the TVS device array includes at least one TVS diode is connected between a first output and second output of the pair of outputs to generate a first clamping voltage signal, and wherein the linear regulator module is configured to generate a second clamping voltage signal having a second clamping voltage independent of a first clamping voltage of the first clamping voltage signal received from the TVS device array.

Abstract: The invention discloses a bimetallic thermally regenerative ammonia-based battery system and using method for harvesting low-grade waste heat. In this battery, the electrodes are made of two different metals that can form ammine complexes, and the metal M1 that has a more negative redox potential of M1(NH3)x1y1+/M1 is the negative electrode, and the metal M2 that has a more positive redox potential of M2y2+/M2 is the positive electrode, achieving high-voltage discharge and low-voltage charge at the same temperature. A closed-loop battery cycle consists of a discharge process, a charge process and two thermal regeneration processes. Deposition and corrosion reactions occur cyclically at the M1 and M2electrodes during successive charge and discharge processes. Thermal energy in waste heat is saved in the distilled ammonia, which is used to shift the redox couples for charging at lower voltage and stored in the battery as chemical energy.

Abstract: The invention provides a method for determining oil contents in rocks. The method comprises steps of: measuring a plurality of calibration oil samples having different oil contents, and acquiring a holographic fluorescence spectral intensity corresponding to the calibration oil samples; acquiring a fit relation between the holographic fluorescence spectral intensity and the oil contents of the calibration oil, according to the oil contents of the plurality of calibration oil samples and a plurality of three-dimensional fluorescence spectral intensities corresponding thereto; adding a certain amount of the calibration oil after dilution to rocks to be measured, acquiring a sample of the rocks to be measured and performing a holographic fluorescence measurement of the rock sample to be measured; and introducing the holographic fluorescence spectral intensity of the rock sample to be measured to the fit relation, thus an oil content of the rock sample to be measured is obtained.

Abstract: A diesel combustion system including a piston, an annular impinging block, and a combustion chamber. The combustion chamber is divided by the annular impinging block into an upper chamber and a lower chamber. The annular impinging block includes a lower guide surface that is adjacent to the lower chamber and that extends from a trough line connected to the piston to a crest line. The ratios among the inner diameter of the top of the piston, the outer diameter of the top of the piston, the diameter of the trough line, and the diameter of the crest line define the shape of the combustion chamber which leads to increased rate of combustion, reduced soot emission, and increased fuel efficiency.

Abstract: A device and method of determining thermal maturity of oil source rocks by total scanning fluorescence including testing the organic solution of the extract from a series of oil source rock samples collected at different depths by total scanning fluorescence; building a model for interpretation of the oil source rock maturity according to the variation with depth of the TSF Intensity parameter and the TSF R1 parameter obtained by total scanning fluorescence, and identifying the stage of initial oil generation, the stage of major oil generation and the stage of major gas generation; and establishing the relationship between the TSF Intensity parameter and/or the TSF R1 parameter with the existing characteristic parameters that quantitatively characterize the maturity of oil source rocks, thereby accomplishing the analysis and determination of the maturity of the oil source rocks.

Abstract: Method and device for evaluating the electrical performance of an antenna cover. The method for evaluating the electrical performance of the antenna cover comprises: acquiring electromagnetic parameter information of an antenna and parameter information of an antenna cover; calculating far-field information of the antenna and far-field information of an antenna system on the basis of the electromagnetic parameter information of the antenna and of the parameter information of the antenna cover; and calculating electrical performance parameter information of the antenna cover on the basis of the far-field information of the antenna and of the far-field information of the antenna system.

Abstract: A three-dimensional display device and a controlling method for the same are disclosed. The three-dimensional display device includes: a display panel including a plurality of pixels arranged as an array, wherein the plurality of pixels includes left eye pixels and right eye pixels alternately arranged in each row or each column; a light-splitting device disposed as being parallel to the display panel and configured for projecting lights emitted by the left eye pixels and right eye pixels to different view areas, wherein there is a distance h between the light-splitting device and the display panel along a light emission direction of the display device; and a distance adjusting device configured for adjusting the distance h between the light-splitting device and the display panel along the light emission direction of the display panel.

Abstract: A diesel engine includes a cylinder head, a cylinder sleeve, a piston, an injector, and a combustion chamber. The top side of the piston includes an annular top surface, an annular collision belt and an annular cavity. The collision belt includes a collision surface, an upper guide surface, and a lower guide surface. An annular throat is formed between the upper guide surface and the cylinder head. The collision belt divides the combustion chamber into a headspace and a central portion. The volume of the headspace is more than three times of the volume of the central portion. A major portion of the fuel jet injected by the injector is directed into the headspace. The results are faster mixing of fuel and air and complete combustion in the combustion chamber, and a reduction of fuel consumption rate by 2%. A method for fuel distribution and combustion is also disclosed.