Abstract: The disclosure belongs to a field of hydraulic equipment, and in particular to an anti-rolling damping device for floating wind turbines. The specific technical scheme: low ends of buoys are connected with an upper surface of a support plate through a damping assembly, and the damping assembly includes a piston cylinder fixedly arranged on the support plate, a piston plate is slidably arranged in the piston cylinder, a piston rod is arranged at one end of the piston plate far from the support plate, the piston rod extends out of the piston cylinder and is fixedly connected with the buoys, and a plurality of first through holes are arranged on a side wall of the piston cylinder near the lower part. The buoys sink with waves, and the piston plate slides downwards in the piston cylinder.

Abstract: Disclosed is a method for optimization design of an artificial reef structure. The method includes: arranging an artificial reef model to be tested on a test platform, testing a flow field to obtain flow field data and a pull force of an artificial reef, analyzing the flow field data to obtain a flow velocity reference point, and carrying out optimization analysis in combination with the flow field data and the pull force.

Abstract: A flexible permanent magnetic material, a preparation method and an application thereof in magnetic biological effect products are provides, relating to the technical field of medical equipment. Raw materials of the flexible permanent magnetic material of the application include the following components in parts by weight: 0-70 parts of anisotropic neodymium iron boron powder and 0-40 parts of anisotropic samarium iron nitrogen powder and 3-20 parts of binder.

Abstract: The disclosure belongs to a field of hydraulic equipment, and in particular to an anti-rolling damping device for floating wind turbines. The specific technical scheme: low ends of buoys are connected with an upper surface of a support plate through a damping assembly, and the damping assembly includes a piston cylinder fixedly arranged on the support plate, a piston plate is slidably arranged in the piston cylinder, a piston rod is arranged at one end of the piston plate far from the support plate, the piston rod extends out of the piston cylinder and is fixedly connected with the buoys, and a plurality of first through holes are arranged on a side wall of the piston cylinder near the lower part. The buoys sink with waves, and the piston plate slides downwards in the piston cylinder.

Abstract: A method for enhancing the stability of an N-type semiconductor through oxygen elimination includes constructing an antioxidant layer on the surface of a semiconductor material, or blending the antioxidant with the N-type semiconductor material. The antioxidant removes the existing oxygen and related species in the N-type semiconductor, eliminates the related trap state, and prevents the N-type semiconductor from further degrading, so that the electrical properties such as mobility of the N-type semiconductor device are improved, and the operation stability and long-term storage stability are improved. In addition, the antioxidant also inhibits the photobleaching of N-type semiconductors and significantly improves the photochemical stability of N-type semiconductors.

Abstract: A slurry for a separator includes an aromatic polyamide, a solvent, and an additive including a hydrophilic nanofiber. On the one hand, the hydrophilic nanofiber increases the internal tension of the slurry, thereby increasing the mechanical strength of the final separator. On the other hand, the additive in this disclosure can significantly increase the rotational viscosity of the slurry for a separator, which can further reduce the mass fraction of aramid in the slurry while meeting the lowest requirements of rotational viscosity in casting the separator, If the mass fraction of aramid decreases, the mass fraction of solvent increases, and the porosity of the separator obtained by non-solvent induced phase separation (NIPS) increases. Therefore, the separator made using the additive in this disclosure can obtain both high porosity and high mechanical strength, thereby improving the cycle life and safety performance of a lithium battery.

Abstract: A solid state electrolyte is provided, which includes a ligand composed of a ceramic powder and a nitrogen containing aromatic copolymer, the ceramic powder is the core and the receptor, the nitrogen containing aromatic copolymer is comprised by a first polymer and a second polymer, the first polymer is aromatic polyamide, the second polymer is selected from the group consisting of P2VP, P4VP, PVA, PEO and PAN. The solid state electrolyte can form good contact interfaces at the anode and cathode electrodes. A lithium-ion battery including the solid state electrolyte is also provided.

Abstract: An electronic measuring device includes a main printed circuit assembly and one or more channel modules. At least one channel module includes a channel printed circuit board and a first insulating housing that defines a cavity covering at least part of electrical elements mounted on the channel printed circuit board. A first conductive shielding frame is placed on the first insulating housing and is separated from the channel printed circuit board by the first insulating housing. The first conductive shielding frame covers the electrical elements mounted on the channel printed circuit board. A second insulating housing sandwiches the first conductive shielding frame between the second insulating housing and the first insulating housing which lengthens an electrical path from the first conductive shielding frame to the channel printed circuit board.

Abstract: An electronic measuring device includes a main printed circuit assembly and one or a plurality of channel modules. At least one channel module includes a channel printed circuit board and a first insulating housing that defines a cavity covering at least part of electrical elements mounted on the channel printed circuit board. A first conductive shielding frame is at least partially disposed on the first insulating housing and separated from the channel printed circuit board via the first insulating housing. The first conductive shielding frame covers the at least part of the electrical elements mounted on the channel printed circuit board. A second insulating housing on the first conductive shielding frame is configured to sandwich the first conductive shielding frame between the second insulating housing and the first insulating housing so as to lengthen an electrical path from the first conductive shielding frame to the channel printed circuit board.

Abstract: A clamp meter includes a meter body and a clamp jaw assembly mounted to the meter body. The clamp jaw assembly includes a first clamp jaw and a second clamp jaw that are movable in relation to each other between a closed position and an open position. In the closed position, distal ends of the first and second clamp jaws meet to define an enclosed area between the first and second clamp jaws, and in the open position, the distal ends of the first and second clamp jaws separate from each other to define a gap allowing a wire under test to pass therethrough. The clamp meter further includes a locking slider positioned within a slot inside the meter body. A switch assembly moves the locking slider longitudinally within the slot between locked and unlocked positions. In the locked position, the locking slider blocks the first clamp jaw from movement.

Abstract: A clamp meter includes a meter body and a clamp jaw assembly mounted to the meter body. The clamp jaw assembly includes a first clamp jaw and a second clamp jaw that are movable in relation to each other between a closed position and an open position. In the closed position, distal ends of the first and second clamp jaws meet to define an enclosed area between the first and second clamp jaws, and in the open position, the distal ends of the first and second clamp jaws separate from each other to define a gap allowing a wire under test to pass therethrough. The clamp meter further includes a locking slider positioned within a slot inside the meter body. A switch assembly moves the locking slider longitudinally within the slot between locked and unlocked positions. In the locked position, the locking slider blocks the first clamp jaw from movement.

Abstract: A clamp meter includes a meter body and a clamp jaw assembly mounted to the meter body. The clamp jaw assembly includes a first clamp jaw and a second clamp jaw which are movable in relation to each other between a closed position and an open position. In the closed position, distal ends of the first and second clamp jaws meet to define an enclosed area between the first and second clamp jaws, and in the open position, the distal ends of the first and second clamp jaws are separate from each other to define a gap allowing a wire under test to pass therethrough. The clamp meter further includes a locking member mounted within the meter body. The locking member is operable to releasably lock the first and second clamp jaws in the closed position.

Abstract: A test lead assembly includes a first test lead having a first cable extending between a distal end and a proximal end, a first test probe attached to the distal end and a first plug attached to the proximal end; a second test lead having a second cable extending between a distal end and a proximal end, a second test probe attached to the distal end, and a second plug attached to the proximal end; and a fastener member for repeatedly releasably engaging at least a portion of the first cable with at least a portion of the second cable along a length of the first and second cables. The test lead assembly and a measurement device incorporating the test lead assembly can avoid or at least reduce knotting of the test leads.

Abstract: A clamp meter includes a meter body and a clamp jaw assembly mounted to the meter body. The clamp jaw assembly includes a first clamp jaw and a second clamp jaw which are movable in relation to each other between a closed position and an open position. In the closed position, distal ends of the first and second clamp jaws meet to define an enclosed area between the first and second clamp jaws, and in the open position, the distal ends of the first and second clamp jaws are separate from each other to define a gap allowing a wire under test to pass therethrough. The clamp meter further includes a locking member mounted within the meter body. The locking member is operable to releasably lock the first and second clamp jaws in the closed position.

Abstract: A test lead assembly includes a first test lead having a first cable extending between a distal end and a proximal end, a first test probe attached to the distal end and a first plug attached to the proximal end; a second test lead having a second cable extending between a distal end and a proximal end, a second test probe attached to the distal end, and a second plug attached to the proximal end; and a fastener member for repeatedly releasably engaging at least a portion of the first cable with at least a portion of the second cable along a length of the first and second cables. The test lead assembly and a measurement device incorporating the test lead assembly can avoid or at least reduce knotting of the test leads.

Abstract: In accordance with at least selected embodiments, new or improved ceramic coated separators, membranes, films, or the like for use in lithium batteries, new or improved batteries including such ceramic coated separators, membranes, films, or the like, and methods of making or using such ceramic coated separators, membranes, films or the like are disclosed. In accordance with at least certain embodiments, new or improved aqueous or water-based polymeric coated separators, membranes, films, or the like are disclosed. In accordance with at least particular embodiments, new or improved aqueous or water-based polyvinylidene fluoride (PVDF) or polyvinylidene difluoride (PVDF) homopolymer or co-polymers of PVDF with hexafluoropropylene (HFP or [—CF(CF3)—CF2—]), chlorotrifluoroethylene (CTFE), vinylidene fluoride (VF2.

Abstract: Embodiments of films and filters comprising nanoparticles, (e.g., in which each of a plurality of nanoparticles comprises a core surrounded by a ligand and/or where the diameter of each of at least some of nanoparticles is less than about 50 nm), and methods of making and using such films and filters.