Abstract: A method of detecting internal stress distribution of a transparent material based on X-ray diffraction, which includes the following steps. Coordinates of stress detection positions of a transparent material are established. An initial powder of the transparent material and a standard reference material are processed. A placement coordinate position of the standard reference material on the transparent material is calculated. A standard reference material-containing transparent material is synthesized. Internal stress of the standard reference material is detected as the internal stress of the transparent material at the placement coordinate position.

Abstract: A method of detecting internal stress distribution of a transparent material based on X-ray diffraction, which includes the following steps. Coordinates of stress detection positions of a transparent material are established. An initial powder of the transparent material and a standard reference material are processed. A placement coordinate position of the standard reference material on the transparent material is calculated. A standard reference material-containing transparent material is synthesized. Internal stress of the standard reference material is detected as the internal stress of the transparent material at the placement coordinate position.

Abstract: The present application discloses a surface treatment method of a polymer for 5G, belonging to the technical field of surface treatment of polymer. By injecting and adding the oxygen elements to the polymer, the polymer matrix elements and the injected atoms can form a blend structure, which can increase the surface roughness of the polymer, improve its bonding strength with the metal, and thus enhance its anti-peel strength. The surface treatment method of the application has the surface resistivity, surface roughness, water absorption and tensile properties of the polymer all considered. The equipment used in the invention has long service life and low cost, and can realize large-scale roll-to-roll production. The method can be popularized in polymer surface treatment.

Abstract: The present invention discloses an ion beam lithography method based on an ion beam lithography system. The ion beam lithography system includes a roll-roll printer placed in a vacuum, and a medium-high-energy wide-range ion source, a medium-low-energy wide-range ion source and a low-energy ion source installed on the roll-roll printer. The ion beam lithography method includes: first coating a polyimide (PI) substrate with a dry film, etching the dry film according to a preset circuit pattern, then using the ion beam lithography system to deposit a wide-energy-range metal ion on the circuit pattern to form a film substrate, and finally stripping the dry film off the film substrate to obtain a printed circuit board (PCB).

Abstract: The disclosure provides a metal ion source emitting device comprising a ceramic chamber, a leading-out electrode chamber and three cathodes hermetically connected, a trigger electrode fixed on a ceramic insulating element, a cathode target material fixed on an indirect cooling channel, a limiting element fixed on a fixed element, the fixed element fixing the indirect cooling channel on a cathode cooling pipe, the cathode cooling pipe fixed on a cathode flange, a trigger binding post connected with the trigger electrode, a leading-out electrode and an accelerating electrode arranged right below a cathode in the leading-out electrode chamber, and leading-out slits formed on the accelerating electrode and the leading-out electrode. According to the emitting device, three cathodes can operate simultaneously with only one anode, increasing irradiation area of an ion source, and improving the operating efficiency and energy utilization rate, with a more compact emitting source and larger processing area.

Abstract: The present invention discloses a magnetic filter tube, and relates to the technical field of magnetic filters. The magnetic filter tube includes a first rectangular tube and a second rectangular tube, where one end of the first rectangular tube is fixedly connected to one end of the second rectangular tube; the other end of the first rectangular tube forms an inlet of the magnetic filter tube; the inlet of the magnetic filter tube is connected with a cathode target flange; the other end of the second rectangular tube forms an outlet of the magnetic filter tube; the outlet of the magnetic filter tube is connected with a vacuum chamber; an inner wall of the first rectangular tube and an inner wall of the second rectangular tube are each provided with a protrusion and a groove; the protrusion is filled with cold water.

Abstract: The disclosure provides a metal ion source emitting device comprising a ceramic cylinder, a leading-out electrode chamber and three cathodes hermetically connected, a trigger electrode fixed on a ceramic insulating electrode, a cathode target material fixed on an indirect cooling channel, a limiting electrode fixed on a fixed electrode, the fixed electrode fixing the indirect cooling channel on a cathode cooling pipe, the cathode cooling pipe fixed on a cathode flange, a trigger binding post connected with the trigger electrode, a leading-out electrode and an accelerating electrode arranged right below a cathode in the leading-out electrode chamber, and leading-out slits formed on the accelerating electrode and the leading-out electrode. According to the emitting device, three cathodes can operate simultaneously with only one anode, increasing irradiation area of an ion source, and improving the operating efficiency and energy utilization rate, with a more compact emitting source and larger processing area.

Abstract: The present application discloses a surface treatment method of a polymer for 5G, belonging to the technical field of surface treatment of polymer. By injecting and adding the oxygen elements to the polymer, the polymer matrix elements and the injected atoms can form a blend structure, which can increase the surface roughness of the polymer, improve its bonding strength with the metal, and thus enhance its anti-peel strength. The surface treatment method of the application has the surface resistivity, surface roughness, water absorption and tensile properties of the polymer all considered. The equipment used in the invention has long service life and low cost, and can realize large-scale roll-to-roll production. The method can be popularized in polymer surface treatment.

Abstract: A single shot autocorrelator for measuring duration of an ultrashort laser pulse in the far field, having a beam splitter to form two beams from an input ultrashort pulse: the reflected beam is firstly reflected by two mirrors mounted on a translation stage for adjusting time delay and subsequently a third mirror, and after focused by a spherical convex lens, enters a naturally grown strontium barium niobate crystal along the crystal z axis; the transmitted beam is firstly focused by a spherical convex lens, and after reflected by two mirrors, enters the crystal along the crystal z axis from opposite direction. The crystal is in the common focal regions of two spherical convex lenses and generates the transverse second harmonic pulse beam that is the autocorrelation signal to be recorded, which is imaged with an optical microscope onto a charge coupled device camera mounted perpendicular to the beams.

Abstract: The present invention discloses an ion beam lithography method based on an ion beam lithography system. The ion beam lithography system includes a roll-roll printer placed in a vacuum, and a medium-high-energy wide-range ion source, a medium-low-energy wide-range ion source and a low-energy ion source installed on the roll-roll printer. The ion beam lithography method includes: first coating a polyimide (PI) substrate with a dry film, etching the dry film according to a preset circuit pattern, then using the ion beam lithography system to deposit a wide-energy-range metal ion on the circuit pattern to form a film substrate, and finally stripping the dry film off the film substrate to obtain a printed circuit board (PCB).

Abstract: The present invention discloses a magnetic filter tube, and relates to the technical field of magnetic filters. The magnetic filter tube includes a first rectangular tube and a second rectangular tube, where one end of the first rectangular tube is fixedly connected to one end of the second rectangular tube; the other end of the first rectangular tube forms an inlet of the magnetic filter tube; the inlet of the magnetic filter tube is connected with a cathode target flange; the other end of the second rectangular tube forms an outlet of the magnetic filter tube; the outlet of the magnetic filter tube is connected with a vacuum chamber; an inner wall of the first rectangular tube and an inner wall of the second rectangular tube are each provided with a protrusion and a groove; the protrusion is filled with cold water.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: A single shot autocorrelator for measuring duration of an ultrashort laser pulse in the far field, having a beam splitter to form two beams from an input ultrashort pulse: the reflected beam is firstly reflected by two mirrors mounted on a translation stage for adjusting time delay and subsequently a third mirror, and after focused by a spherical convex lens, enters a naturally grown strontium barium niobate crystal along the crystal z axis; the transmitted beam is firstly focused by a spherical convex lens, and after reflected by two mirrors, enters the crystal along the crystal z axis from opposite direction. The crystal is in the common focal regions of two spherical convex lenses and generates the transverse second harmonic pulse beam that is the autocorrelation signal to be recorded, which is imaged with an optical microscope onto a charge coupled device camera mounted perpendicular to the beams.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: Disclosed are antimicrobial peptides capable of inhibiting and killing multiple drug-resistant bacteria, including XH-12C, XH-12B and XH-12A. The application further provides uses of the antimicrobial peptides in the preparation of a drug for inhibiting and/or killing fungi, Gram-positive bacteria, Gram-negative bacteria and drug-resistant bacteria and in the manufacture of medical carriers.

Abstract: The embodiments of the present invention disclose a method for synthesizing ceramic composite powder and ceramic composite powder, pertaining to the technical field of inorganic non-metallic materials. Among them, the method includes preparing an aqueous slurry of ceramic raw materials, the aqueous slurry including ceramic raw material, water and low polymerization degree organometallic copolymer, the ceramic raw material including at least two components; adding a crosslinking coagulant into the aqueous slurry to obtain a gel; dehydrating and drying the gel to obtain the dried gel; heating the dried gel to the synthesizing temperature of the ceramic composite powder and conducting the heat preservation to obtain ceramic composite powder or ceramic composite base powder; conducting secondary doping on ceramic composite base powder to obtain the ceramic composite powder.

Abstract: The embodiments of the present invention disclose a method for synthesizing ceramic composite powder and ceramic composite powder, pertaining to the technical field of inorganic non-metallic materials. Among them, the method includes preparing an aqueous slurry of ceramic raw materials, the aqueous slurry including ceramic raw material, water and low polymerization degree organometallic copolymer, the ceramic raw material including at least two components; adding a crosslinking coagulant into the aqueous slurry to obtain a gel; dehydrating and drying the gel to obtain the dried gel; heating the dried gel to the synthesizing temperature of the ceramic composite powder and conducting the heat preservation to obtain ceramic composite powder or ceramic composite base powder; conducting secondary doping on ceramic composite base powder to obtain the ceramic composite powder.