Abstract: The present invention discloses a two-body separated extraterrestrial body dielectric constant probe and its probing method. The device comprises: a surface body being on the surface of a penetrated medium after penetration—a surface body control module is set in the surface body, which comprises a first electromagnetic pulse emission source and a first electromagnetic pulse reception source; a penetrating body, connected to the surface body through a cable, being inside the penetrated medium after penetration—a penetrating body control module is set in the penetrating body, which comprises a second electromagnetic pulse emission source and a second electromagnetic pulse reception source. The present invention, relying on a kinetic energy penetration flight capability, can help to perform in-situ probing of dielectric constants at any position of an extraterrestrial body, for example, perform a penetration analysis through orbital-based release.

Abstract: The invention relates to the field of pharmaceutical chemistry, and it particularly relates to a left-handed bicyclic morpholine and a pharmaceutically acceptable salt thereof, a preparation method therefor, a pharmaceutical composition and use thereof in the preparation of medicaments for preventing and/or treating liver diseases and the like.

Abstract: The disclosure relates to the technical field of laundry apparatus manufacturing, and discloses a space textile cleaning equipment and a cleaning method, comprising a washing unit consisting of: a housing, in which a fixing plate for paving the fabric and a fixing clip for clamping and fixing the paved fabric are arranged; and a scraper corresponding to the fabric, which can move along the length direction or the width direction of the fixing plate, and is also provided with an atomizing nozzle for spraying detergent, with the outlet of the atomizing nozzle corresponds to the fabric.

Abstract: The present disclosure provides a method of monitoring, evaluating and early-warning pollution for key pollution sources in an industrial park. The method comprises: a multi-index on-line early-warning monitoring method for pollution from key pollution sources, a hierarchical pollution risk evaluating method, and a pollution early-warning grade evaluating method, which are in line with the environmental management solution that pollution prevention is the priority in an industrial park in China.

Abstract: A method, apparatus and system for detecting carbon emission-involved gas from a ruminant is provided, including: continuously receiving ear tag information of the ruminant in a monitoring range; determining an operation state of a feed supply system based on the ear tag information; and determining, based on collected emitted gas from the ruminant during eating, an emission rate of carbon emission-involved gas in the emitted gas when it is determined that the feed supply system is in a continuous operation state. In the method, apparatus and system, the ear tag information of the ruminant is detected to determine whether there is a ruminant in a detection area and feeding information of the ruminant, then the operation state of the feed supply system is controlled, and an intelligent information technology is used to acquire the emission rate of the carbon emission-involved gas matching the identity of the ruminant.

Abstract: A shale gas well type classification method includes: S1, acquiring raw data of evaluation parameters for stable production wells and trial production wells; S2, performing standardization on the raw data; S3, calculating distance coefficients; S4, classifying the stable production wells; S5, after determining a class number of the stable production wells, calculating comprehensive evaluation parameters S of the stable production wells based on standardized data; S6, for each class of the stable production wells, calculating average values of standardized data of the evaluation parameters for the stable production wells to construct a standard fuzzy set A, and constructing a to-be-identified fuzzy set B for each of the trial production wells, S7, calculating a closeness degree between each to-be-identified fuzzy set and each standard fuzzy set, and classifying a trial production well corresponding to the to-be-identified fuzzy set into a class of the stable production wells with a highest closeness degree.

Abstract: The present invention discloses an integrated system for optical fiber sensing and communication through sharing co-frequency resources. Specifically, the system consists of two parts: optical path detection and circuit demodulation. The entire system consists of a continuous wave laser, a fiber coupler, a polarization controller, a mach-zehnder modulator, an arbitrary waveform generator, an erbium-doped fiber amplifier, an optical filter, an optical fiber annular, an optical fiber, a photodetector, a data acquisition device, a balance detector and a data acquisition card. A transmission optical signal and a sensing detection light are generated by the same laser, transmission performance and sensing performance of the system are changed by adjusting modulation power of a transmission signal, the transmission signal is obtained by using direct detection at far-end, a sensing signal is obtained by using heterodyne coherent detection at local-end.

Abstract: A method for quantitative evaluation of self-sealing property of organic-rich shale includes: S1, selecting geological parameters for evaluating the self-sealing property of the organic-rich shale; S2, taking organic-rich shale samples, and measuring the geological parameters of each sample; S3, calculating a weight coefficient w; of each geological parameter; S4, calculating a self-sealing evaluation coefficient S, and correcting the S to obtain a corrected self-sealing evaluation coefficient S?; S5, establishing a self-sealing evaluation standard of the organic-rich shale according to the S?, wherein if S??0.6, the self-sealing grade is excellent, if 0.45?S?<0.6, the self-sealing grade is good, if 0.3?S?<0.45, the self-sealing grade is medium, and if S?<0.3, the self-sealing grade is poor. According to the method, the self-sealing property of the shale is quantitatively evaluated, and the preservation condition of the shale gas in the shale formation can be more accurately predicted.

Abstract: A quantitative identification method for provenance of clastic rocks is provided, which includes: determining a study area, a target horizon of the study area and potential provenances of the target horizon, and performing sampling on known wells of the target horizon and the potential provenances to obtain rock samples; measuring contents of light minerals, heavy minerals, and trace elements to obtain measurement results of the known wells and measurement results of the potential provenances, establishing standard fuzzy sets based on the measurement results of the potential provenances, and establishing to-be-identified fuzzy sets based on the measurement results of the known wells; assigning weight coefficients to three indicators; calculating weighted closenesses between the to-be-identified fuzzy sets and the standard fuzzy sets according to the weight coefficients; and determining a provenance of the target horizon according to the weighted closenesses and a principle of proximity selection.

Abstract: A system is provided that includes: a first load balancing device cluster, the first load balancing device cluster includes a first load balancing device pool and a second load balancing device pool; at least one first switch respectively coupled with each load balancing device in the first load balancing device pool via a routing protocol link; and at least one second switch respectively coupled with each load balancing device in the second load balancing device pool via a routing protocol link, the at least one first switch and the at least one second switch are configured to be able to be connected with the Internet; and one of the first load balancing device pool and the second load balancing device pool is configured as a standby load balancing device pool of the other.

Abstract: A microneedle formulation is provided, which comprises polyvinyl alcohol, polyvinylpyrrolidone and hydroxyethyl cellulose. The polyvinyl alcohol comprises a first polyvinyl alcohol and a second polyvinyl alcohol, wherein the viscosity of the first polyvinyl alcohol is 2.4-12.3 mPas, and the viscosity of the second polyvinyl alcohol is 17.2-42.6 mPas; The polyvinylpyrrolidone comprises a first polyvinylpyrrolidone and a second polyvinylpyrrolidone, wherein the molecular weight of the first polyvinylpyrrolidone is 3500-150000, and the molecular weight of the second polyvinylpyrrolidone is 210000-1500000. The microneedle formulation can effectively improve the structural strength of microneedles. Meanwhile, the invention also provides a preparation method of the microneedle patch.

Abstract: The disclosure relates to a gas pressure regulating device for vehicle. A gas pressure regulating device for vehicle includes a valve seat and a valve cavity housing. The valve seat is provided with a valve core insertion hole, and a bottom of the valve core insertion hole is provided with a valve port. The valve cavity housing is detachably assembled with the valve seat. A valve core is guided and assembled in the valve cavity housing, the valve core has an inserted segment, the inserted segment is inserted in the valve core insertion hole, and the valve core is provided with a flow channel. An insertion sealing ring is provided between a hole wall of the valve core insertion hole and an outer peripheral surface of the inserted segment of the valve core. The valve seat and the valve cavity housing are relatively translated in an axial direction of the valve core insertion hole and are assembled in place in a relatively translational manner.

Abstract: A sheep single nucleotide polymorphism (SNP) molecular marker and use thereof in detecting resistance to brucellosis in sheep are provided, relating to the technical field of molecular marker-assisted breeding. A sheep SNP molecular marker is provided, where the sheep SNP molecular marker is associated with resistance to brucellosis in sheep, and has a nucleotide sequence shown in SEQ ID NO: 1 in which a T/C polymorphism is located at 101st bp. The sheep SNP molecular marker can accurately detect a resistance level of sheep to the brucellosis, and is used for the selection of brucellosis-resistant sheep as well as molecular marker-assisted breeding of the resistance to brucellosis in sheep. The sheep SNP molecular marker effectively improves a breeding efficiency of sheep with brucellosis resistance.

Abstract: The present invention discloses an integrated system for optical fiber sensing and communication through sharing co-frequency resources. Specifically, the system consists of two parts: optical path detection and circuit demodulation. The entire system consists of a continuous wave laser, a fiber coupler, a polarization controller, a mach-zehnder modulator, an arbitrary waveform generator, an erbium-doped fiber amplifier, an optical filter, an optical fiber annular, an optical fiber, a photodetector, a data acquisition device, a balance detector and a data acquisition card. A transmission optical signal and a sensing detection light are generated by the same laser, transmission performance and sensing performance of the system are changed by adjusting modulation power of a transmission signal, the transmission signal is obtained by using direct detection at far-end, a sensing signal is obtained by using heterodyne coherent detection at local-end.

Abstract: The hollow body molding aid includes a body, a connector, a first profiling assembly, a second profiling assembly, and a positioning mechanism. The connector is fixedly connected to the body. The first profiling assembly is fixedly disposed on one side of the body and is configured to position one half of a reinforced housing. The second profiling assembly is fixedly disposed on the other side of the body and is configured to position the other half of the reinforced housing. The positioning mechanism is disposed on the first profiling assembly and the second profiling assembly. The reinforced housing can be positioned, thus guaranteeing molding quality of the reinforced housing and blanks. In addition, the reinforced housing can be accurately positioned in a cavity of a mold through a manipulator, without the need to use a plurality of air cylinders for step-by-step driving.

Abstract: A solenoid valve and a vehicle gas cylinder valve having the solenoid valve are provided. The solenoid valve includes a casing, a pilot head, a main valve seat, and a pilot valve core. An outer peripheral surface of the casing is provided with a clearance fit surface, and the clearance fit surface is configured for clearance fit with a solenoid valve installation passage to form a bypass gas passage between the casing and the solenoid valve installation passage. The casing is provided with an upper casing ventilation hole and a lower casing ventilation hole. The upper casing ventilation hole communicates with an upper portion of the bypass gas passage and a pilot head upper chamber, and the lower casing ventilation hole communicates with a lower portion of the bypass gas passage and a pilot head lower chamber.

Abstract: A high-pressure composite container is provided. At least a plastic-liner is provided with a plastic shell and a metal end encapsulated by the plastic shell. The plastic-liner of the sealing structure only consists of the plastic shell and the metal end, and the sealing structure is simple. The metal end and a bottle mouth valve jointly compress a sealing ring on the bottle mouth valve, so that the sealing ring forms a stable compression amount, and finally the high-pressure gas cylinder has excellent sealing performance. In addition, the metal end and the plastic shell are well positioned both axially and circumferentially. In the case of high and low pressure and temperature alternation, the relative positions of the metal end and the plastic shell do not change, and a sealing surface of the plastic shell does not deform and dislocate.

Abstract: A hollow body forming mold includes left and right half molds, a bottom of the left half mold is provided with a left avoidance slot, a bottom of the right half mold is provided with a right avoidance slot, a left bottom slider is disposed in the left avoidance slot, a right bottom slider is disposed in the right avoidance slot, and the left and right bottom sliders constitute a group of sliders. The mold design resolves a difficult problem that a fabrication hole exists during forming of a hollow body with a built-in component by using an existing conventional process. The hollow body forming method has the advantages of a short forming period, the high production efficiency, good combination between a built-in component and an inner wall of an fuel tank, and the high location stability.

Abstract: A coherent detection-based high-speed chaotic secure transmission method includes: at a transmit terminal in a chaotic secure transmission system, optically coupling an optical chaotic carrier and transmission information by using an orthogonal basis to mask the transmission information by using a noise-like feature of the chaotic carrier, so as to obtain a chaotic masked signal; adding a fast phase disturbance and a fast polarization disturbance to the chaotic masked signal and transmitting the chaotic masked signal over an optical fiber transmission link; and at a receive terminal, obtaining the chaotic masked signal through coherent detection, compensating the chaotic masked signal for linear and nonlinear effects through digital signal processing, and using a polarization orthogonal basis- or phase orthogonal basis-based chaotic decryption algorithm to separate the chaotic carrier from the signal so as to complete decryption.