Abstract: A magnetic head includes a main pole configured to serve as a first electrode, an upper pole containing a trailing magnetic shield configured to a serve as a second electrode, and an electrically conductive portion located in a trailing gap between the main pole and the trailing magnetic shield. The electrically conductive portion is not part of a spin torque oscillator stack, and the electrically conductive portion includes first and second electrically conductive, non-magnetic material layers. The spin torque oscillator stack is coupled to the first electrically conductive, non-magnetic material layer. The main pole and the trailing magnetic shield are electrically shorted by the electrically conductive portion across the trailing gap between the main pole and the trailing magnetic shield such that an electrically conductive path is present between the main pole and the trailing magnetic shield through the electrically conductive portion.

Abstract: An oil-soluble thermosensitive resin lost circulation material for protecting a reservoir includes the following raw materials in parts by weight: 40-60 parts of resin matrix, 15-40 parts of modified asphalt, 5-12 parts of viscosity modifier, 2-5 parts of cross-linking agent, 6-15 parts of softening point modifier, and 1-3 parts of dispersant; it further provides a method for preparing the resin lost circulation material; the resin lost circulation material can melt and adhere in different temperature ranges, rapid plugging is realized, and the plugging time is long; the oil-soluble thermosensitive resin lost circulation material can be dissolved by oil flow during oil well production, so that the reservoir permeability is recovered, so as to achieve the purpose of protecting the hydrocarbon reservoir.

Abstract: The present invention discloses a time-resolved immunoquantitation test strip for detecting tetrodotoxin (TTX) in shellfish food, which belongs to the technical field of rapid detection of time-resolved immunoassay. In the present invention, fluorescent microspheres are adopted to replace the traditional colloidal gold; the fluorescent microsphere is used for labeling a TTX antibody complex; by utilizing a competitive immunization method, the fluorescent microsphere, serving as a fluorescent probe, is used for immunochromatography; and by reading the fluorescence value of a detection line on a fluoroimmunoassay instrument, the TTX in shellfish samples can be analyzed quantitatively and rapidly. The time-resolved immunoquantitation test strip of the present invention can be used for detecting the content of the TTX in various types of shellfish food quantitatively and rapidly and is strong in specificity and high in sensitivity, wherein when the concentration of the TTX is 0.

Abstract: The present disclosure provides compounds that are cGAS antagonists, methods of preparation of the compounds, pharmaceutical compositions comprising the compounds, and their use in medical therapy.

Abstract: A Fourier domain mode-locked optoelectronic oscillator includes a laser light source, a phase modulator, an optical notch filter, a photodetector, an electrical amplifier and a power divider; wherein the laser light source, the phase modulator, the optical notch filter and the photodetector together form a swept microwave photonic filter. The passband of the swept microwave photonic filter is determined by the difference in wavelength corresponding to the laser light source and the notch positions of the optical notch filter. In the present disclosure, the laser light source, the phase modulator, the optical notch filter, and the photodetector are configured to form a fast swept microwave photonic filter, the sweeping of a passband of the microwave photonic filter is realized by the sweeping of the laser light source or the optical notch filter, and the change in the filter's passband is matched with the latency for delivering a signal in the optoelectronic oscillator loop for one trip.

Abstract: A resin lens with enhanced anti-blue light performance and a preparation method thereof. Light transmittance of the lens at 415 nm is lower than 1%, light transmittance at 420 nm is 1.0-5.0%, light transmittance at 425 nm is 15-25%, blue light transmittance at 380-500 nm is 20-30%, visible light transmittance is greater than 88%, and a refractive index of the lens is 1.50, 1.56, 1.60, 1.67 or 1.74.

Abstract: A growth device and method for low-stress crystals are provided, which relate to the field of preparation of crystals, in particular to a device and method for preparing low-stress and low-defect crystals by using a pulling method. The growth device includes a furnace body; a crucible and a heating and insulation system which are arranged at a bottom of the furnace body; a crystal pulling mechanism, and a quartz observation window; the device further includes a liftable heating mantle mechanism including a heating mantle body, a heating mantle supporting component, a heating wire arranged around the heating mantle body, and a heating mantle lifting mechanism. The method includes: after crystals are pulled out of a melt, covering the crystals with a liftable heating mantle mechanism.

Abstract: The present disclosure to a cementitious plugging wall solidifier for water-based drilling fluid and a preparation method thereof and a water-based drilling fluid.

Abstract: A rocking type seed crystal surface corrosion, cleaning and drying device and a process method belong to the technical field of semiconductor crystal growth, comprising a corrosion tank and a matched corrosion tank cover, a seed crystal support platform arranged at a middle position of the bottom of the corrosion tank, and a high-purity hot nitrogen introduction short straight pipe, an corrosive liquid introduction short straight pipe, a deionized water introduction short straight pipe and an overflow liquid discharge short straight pipe matched with and arranged at both sides of the corrosion tank, wherein free ends of the high-purity hot nitrogen introduction short straight pipe, the corrosive liquid introduction short straight pipe and the deionized water introduction short straight pipe are all provided with switch stop valves; the device further comprises a rocking mechanism provided at the bottom of the corrosion tank; and the seed crystal support platform comprises a support frame symmetrically distrib

Abstract: The disclosure belongs to the technical field of precision test and measurement, and provides a two-dimensional photoelectric autocollimation method and device based on wavefront measurement and correction. According to the disclosure, a link of wavefront measurement and correction of a reference light path is added to a traditional autocollimator measuring method. By using wavefront distortion information of the reference light path in the instrument and driving a deformable mirror to compensate for phase distortion of a beam, the link realizes measurement and control on aberration of the optical system of the autocollimator and improves the imaging quality and spot positioning accuracy of the optical system, thereby improving the angle measurement accuracy of the autocollimator.

Abstract: Disclosed is a high-stability nano-radian-order angle measuring method and device based on drift value feedback, belonging to the technical field of precision measurement and the field of optical engineering. The device consists of LED light sources, convex lenses, multi-slit diaphragms, beam splitters, deflecting mirrors, steering mirrors, a collimator objective set, linear array CCDs, a four-quadrant position detector and a plane mirror. The method includes: enabling two paths of measuring light beams to carry angle change information of a measured object, respectively forming respective images on two sensors, and calculating a pitch angle and a yaw angle of the measured object relative to an optical axis by using positions of the two images so as to achieve the detection capability on the angle change of the measured object. While a focal distance of the objective is greatly improved by using the collimator objective set, the linear array CCDs are used as sensors to improve a measuring range.

Abstract: A flexible robot end effector includes the end effector including a mounting assembly and a flexible finger, one end of the flexible finger configured to mount at one side of the mounting assembly; the flexible finger including a protective layer and a plurality of holding mechanisms; the flexible finger further including a base, and two opposite sides of the base respectively connected with the holding mechanism and a pneumatic device; the protective layer configured to be sleeved on both outsides of the holding mechanism and the base so that an airtight chamber is formed among the base, the holding mechanism and the protective layer; when the air is blown into the airtight chamber by the pneumatic device, the flexible fingers inflated, and a gap between the two adjacent holding mechanisms gradually increasing.

Abstract: A mobile terminal includes middle frame assembly that is configured to bear an electronic component in the mobile terminal. The electronic component includes a heat source, and the middle frame assembly includes a middle frame, one or more heat pipes, and a first vapor chamber. The middle frame includes a heat dissipation region corresponding to the heat source. The first vapor chamber is accommodated in the heat dissipation region. The heat pipes are connected to the first vapor chamber, and are configured to dissipate heat from the first vapor chamber. This structure of the mobile terminal and the middle frame assembly of the mobile terminal improves heat dissipation performance of the mobile terminal.

Abstract: The invention belongs to the technical field of drug crystal analysis, and particularly relates to a drug crystal structure landscape analysis system and a landscape analysis method thereof. The drug crystal structure landscape analysis system calls a cloud computing interface to calculate the energy of input crystals through an algorithm deployed in the cloud in advance, and an energy-density space group landscape array diagram of the crystals is generated according to the computation results returned; and analysis is selectively carried out as needed, result reports arc analyzed and summarized as a final report, and the final report is converted into a text document. The drug crystal structure landscape analysis system and the landscape analysis method thereof satisfy the drug crystal structure analysis requirements in the new technology background, and can analyze a large quantity of crystals which are formed by a certain drug molecule and have different structures.

Abstract: Example mobile terminals are disclosed. One example terminal includes a rotating member, a flexible screen, a bending support part, and a temperature equalization plate. The flexible screen includes two unfolded regions and a bent region that is disposed opposite to the rotating member. The bending support part is located between the flexible screen and the rotating member. The temperature equalization plate is configured to balance temperatures in the two unfolded regions and includes two temperature equalization parts opposite to the two unfolded regions in a one-to-one correspondence and a flexible connection part that connects the two temperature equalization parts. The flexible connection part is located on a side of the bending support part and away from the flexible screen.

Abstract: A media Parameter-modified method for realizing an adaptive expression of an arbitrary discontinuous surface, comprising the following steps: importing an initial forward model, importing anisotropic parameters; and setting a space step and a time step according to the initial forward model parameters; and then starting a stepped discretization of a free surface of the initial forward model; and using a corrected constitutive relationship to correct a first level parameter of the initial forward model; and bringing the corrected constitutive relationship into a displacement stress equation, and the influence of the free surface can be introduced in the case of the anisotropic media after series of operation. The present disclosure can make an accurate numerical simulation of a wave field near the discontinuous surface, and the accurate numerical simulation will contribute to the extraction and analysis of information from the seismic data.

Abstract: The present invention relates to a methods for producing bio-oils from vegetation high in lignin. The invention further relates to antimicrobial compositions comprising bio-oil extracted from vegetation high in lignin.

Abstract: The present invention provides new protease resistant polypeptides, as well as compositions and methods for treating, ameliorating or preventing conditions related to joint damage, including acute joint injury and arthritis.

Abstract: The present disclosure relates to a method for preparing a colorant having a target color and the colorant. The method includes configuring submicron particles prepared from a predetermined material to have a predetermined size; adjusting a ratio of the submicron particles to cuttlefish juice submicron particles to a predetermined ratio; evaporating a predetermined solution mixed with the submicron particles and the cuttlefish juice submicron particles to obtain an amorphous photonic crystal structure; acquiring spectral data for reflected light generated by incident light irradiating the amorphous photonic crystal structure; determining whether the spectral data meets a predetermined condition, wherein the predetermined condition is associated with the target color; and responsive to determining that the spectral data does not meet the predetermined condition, adjusting at least one of the ratio or a size of each of the submicron particles until the spectral data meets the predetermined condition.