Abstract: An optical fiber connector includes an insulating body, a number of optical fibers and a fixing plate. The insulating body includes a first end surface. The number of optical fibers are mounted to the insulating body. Each optical fiber includes a first extension portion protruding beyond the first end surface. The fixing plate is fixed to the insulating body. The fixing plate includes a mating surface, a mounting surface and a number of through holes extending through the mounting surface and the mating surface. The first extension portion is inserted into a corresponding through hole from the mounting surface. The first extension portion is exposed on the mating surface. The fixing plate of the present disclosure is configured to be made of a material whose precision is easier to guarantee, thereby improving the precision of the optical fiber connector.

Abstract: The present invention discloses an embedded hydrothermal-resistant NiSn—CS nano-catalyst and a preparation method therefor and use thereof. The method includes the following steps: firstly dissolving a Ni salt, a Sn salt and chitosan to form a sol solution; and then removing a solvent from the sol solution to obtain a gel, and subjecting the gel to carbonization treatment to obtain the embedded hydrothermal-resistant NiSn—CS nano-catalyst; wherein temperature of the carbonization treatment is 400° C. to 600° C., and duration of the carbonization treatment is 1 to 4 hours. The embedded hydrothermal-resistant NiSn—CS nano-catalyst prepared by the present invention significantly improves the dispersion of NiSn catalytic active sites and the stability of the structure and activity in hydrothermal environments.

Abstract: A first terminal module includes a first insulating block and a first terminal group. The first insulating block includes a first protruding post and a second protruding post disposed oppositely. The first terminal group includes a first conductive terminal and a second conductive terminal. The first conductive terminal includes a first contact portion. The second conductive terminal includes a second contact portion. A structural strength of the first insulating block by providing the first protruding post and the second protruding post is improved. A first electrical connector having the first terminal module and a connector assembly having the first electrical connector are also disclosed.

Abstract: A first terminal module includes a first insulating block, a first terminal group and a first shielding sleeve. The first terminal group includes a first conductive terminal and a second conductive terminal. The first conductive terminal includes a first contact portion protruding into the first receiving cavity. The second conductive terminal includes a second contact portion protruding into the first receiving cavity. The first contact portion and the second contact portion are offset from each other. The first shielding sleeve includes a first end portion and a number of first slits extending through the first end portion. The slits are distributed along a circumferential direction of the first shielding sleeve. A first electrical connector having the first terminal module and a connector assembly having the first electrical connector are also disclosed.

Abstract: A backplane connector includes a housing, a number of terminal modules and a number of metal shield surrounding members. The metal shield surrounding member includes a surrounding portion and a mounting portion. The surrounding portion includes a first side wall, a second side wall, a third side wall and a fourth side wall which are enclosed to form a first fully-enclosed shielding cavity. The mounting portion includes a fifth side wall, a sixth side wall, a seventh side wall and an eighth side wall which are enclosed to form a second fully-enclosed shielding cavity. The sixth side wall and the second side wall are separated from each other along the first direction. The eighth side wall and the fourth side wall are separated from each other along the first direction.

Abstract: A backplane connector includes a housing, a number of terminal modules and a number of metal shield surrounding members. The housing includes a number of insulating protrusions. Each metal shield surrounding member includes a surrounding portion and a mounting portion. The surrounding portion includes a first side wall, a second side wall, a third side wall and a fourth side wall which are enclosed to form a fully-enclosed shielding cavity to at least partially sleeve over a corresponding insulating protrusion. The mounting portion is of a U-shaped configuration and includes a connecting portion connected to the third side wall, a first bending portion bent from one side of the connecting portion, and a second bending portion bent from another side of the connecting portion. The first bending portion is separated from the second side wall. The second bending portion is separated from the fourth side wall.

Abstract: The present invention relates to a nitrogen-doped carbon-wrapped nickel catalyst for synthesis of higher alcohols by assembly of bioethanol and a preparation method therefor. The preparation method includes the following steps: S1, subjecting a soluble nickel salt and polyacrylamide to stirring with water, completely dissolving and then drying to obtain a precursor, where a molar ratio of the soluble nickel salt to polyacrylamide is 1:(0.5-8); and S2, subjecting the precursor to pyrolysis in an inert atmosphere at 300° C.-800° C. for 1-6 hours to obtain the nitrogen-doped carbon-wrapped nickel catalyst. The catalyst prepared by the method of the present invention has an active phase with high dispersity which enables synthesis of higher alcohols by efficient assembly of small molecules, and has relatively high stability which can still maintain high conversion rate and high yield for organic phase after 10 times of repeated use.

Abstract: A terminal module includes a number of conductive terminals, an insulating block and a metal shield surrounding member. The conductive terminal includes a contact portion. The insulating block is sleeved on the contact portion. The metal shield surrounding member is sleeved on the insulating block. The metal shield surrounding member includes an inner cavity in which the insulating block is received. The metal shield surrounding member is provided with at least one recessed portion protruding into the inner cavity and at least one bump portion protruding away from the inner cavity. The recessed portion and the bump portion are configured to adjust the impedance of a signal terminal pair.

Abstract: A terminal module includes a number of conductive terminals, an insulating block and a metal shield surrounding member. The conductive terminal includes a contact portion. The insulating block is sleeved on the contact portion. The metal shield surrounding member is sleeved on the insulating block. The metal shield surrounding member includes an inner cavity. The insulating block is at least partially received in the inner cavity. The metal shield surrounding member is provided with at least one bump portion protruding into the inner cavity. The bump portion is configured to adjust the impedance of a signal terminal pair.

Abstract: A second electrical connector includes a second housing and a second mating module mounted to the second housing. The second mating module includes a number of second cable modules and a second fixing block fixed on the second cable modules. Each second cable module includes a second terminal module, a second cable, a second shielding clamping plate clamping the second cable, and a metal shield surrounding member at least partially sleeved on the second terminal module. The second shielding clamping plate is in contact with the metal shield surrounding member, thereby increasing the ground shielding area and improving the shielding effect. A connector assembly having the second electrical connector is also disclosed.

Abstract: A first electrical connector includes a first housing and a first mating module. The first mating module includes a number of first cable modules and a first fixing block. Each first cable module includes a first terminal module, a first cable and a metal shielding sleeve. The first terminal module includes a first conductive terminal, and the first conductive terminal includes a first contact portion. The metal shielding sleeve includes a first side wall, a second side wall, a third side wall, a fourth side wall and a shielding cavity. The first contact portion at least partially protrudes into the shielding cavity, thereby improving the shielding effect. A connector assembly having the first electrical connector is also disclosed.

Abstract: A welding strip carrier film. The raw materials for the welding strip carrier film comprise, in percent by mass, 50-99% of a matrix resin, 0-50% of a tackifying resin, and 0-5% of an additive. The matrix resin is one or more of a polyolefin resin and an elastomer thereof, a polyester resin and an elastomer thereof, polyvinyl butyral, an ethylene-vinyl acetate copolymer, an ethylene-acrylic acid copolymer, an ionic polymer, polyamide, fluororesin, and modifiers thereof. The tackifying resin is one or more of rosin, hydrogenated rosin, a petroleum resin, a hydrogenated petroleum resin, a phenolic resin, and a terpene resin. The carrier film can be manufactured into a single-layer structure, and thus can have a support function while ensuring its bonding performance to a welding strip and a cell; and the carrier film would not be penetrated by a welding strip during lamination.

Abstract: A backplane connector includes a housing and a number of mounting modules. The housing includes a base defining a number of receiving grooves. The mounting modules are assembled to the receiving grooves. Each mounting module includes an insulating body, a terminal module installed in the insulating body, and a metal shield surrounding member sleeved on the insulating body. The metal shield surrounding member includes a surrounding portion and a mounting portion extending downwardly from the surrounding portion. The surrounding portion is formed by four side walls so as to form a fully-enclosed shielding cavity. As a result, the shielding effect and the grounding return effect of the backplane connector are improved.

Abstract: A modular connector includes a first housing, a first terminal module, a second terminal module and a grounding connection member. The first terminal module includes a number of first conductive terminals and a first metal shielding plate. The first conductive terminals include a first ground terminal, a first signal terminal, a second signal terminal and a second ground terminal. The second terminal module includes a number of second conductive terminals and a second metal shielding plate. The second conductive terminals include a third ground terminal, a third signal terminal, a fourth signal terminal and a fourth ground terminal. The grounding connection member is electrically connected to the first ground terminal, the second ground terminal and the second metal shielding plate, respectively, so as to improve the quality of signal transmission. A connector assembly including the modular connector is also disclosed.

Abstract: The present invention relates to a nitrogen-doped carbon-wrapped nickel catalyst for synthesis of higher alcohols by assembly of bioethanol and a preparation method therefor. The preparation method includes the following steps: S1, subjecting a soluble nickel salt and polyacrylamide to stirring with water, completely dissolving and then drying to obtain a precursor, where a molar ratio of the soluble nickel salt to polyacrylamide is 1:(0.5-8); and S2, subjecting the precursor to pyrolysis in an inert atmosphere at 300° C.-800° C. for 1-6 hours to obtain the nitrogen-doped carbon-wrapped nickel catalyst. The catalyst prepared by the method of the present invention has an active phase with high dispersity which enables synthesis of higher alcohols by efficient assembly of small molecules, and has relatively high stability which can still maintain high conversion rate and high yield for organic phase after 10 times of repeated use.

Abstract: The present invention discloses an embedded hydrothermal-resistant NiSn—CS nano-catalyst and a preparation method therefor and use thereof. The method includes the following steps: firstly dissolving a Ni salt, a Sn salt and chitosan to form a sol solution; and then removing a solvent from the sol solution to obtain a gel, and subjecting the gel to carbonization treatment to obtain the embedded hydrothermal-resistant NiSn—CS nano-catalyst; wherein temperature of the carbonization treatment is 400° C. to 600° C., and duration of the carbonization treatment is 1 to 4 hours. The embedded hydrothermal-resistant NiSn—CS nano-catalyst prepared by the present invention significantly improves the dispersion of NiSn catalytic active sites and the stability of the structure and activity in hydrothermal environments.

Abstract: An electrical connector includes an insulating body, a terminal module and a shielding piece. The terminal module includes an insulating block and a number of conductive terminals. Each conductive terminal includes a mating elastic arm. The number of conductive terminals include a first signal terminal, a second signal terminal, a first ground terminal, and a second ground terminal. The shielding piece includes a base portion, an elastic arm portion and an abutting portion. The base portion includes a first fixing portion fixed to the first ground terminal, and a second fixing portion fixed to the second ground terminal. The abutting portion includes a first abutting portion floating in abutment against the mating elastic arm of the first ground terminal, and a second abutting portion floating in abutment against the mating elastic arm of the second ground terminal.

Abstract: The present disclosure relates to an encapsulation adhesive film for a solar cell, comprising a transparent layer in contact with a cell sheet, and a first adhesive film layer in contact with the transparent layer, wherein raw materials of the first adhesive film layer comprise the following components: a resin and a colored filler with a mass ratio of 3 to 25:1, a cross-linking agent accounting for 0.1% to 5% of the total mass of the resin and the colored filler, an auxiliary cross-linking agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a coupling agent accounting for 0.1% to 1% of the total mass of the resin and the colored filler, a light stabilizer accounting for 0.1% to 1% of the total mass of the resin and the colored filler, and a photo initiator accounting for 0.1% to 5% of the total mass of the resin and the colored filler. The present disclosure can effectively prevent a white substance from overflowing.

Abstract: The present disclosure provides an adjustable support apparatus configured for a bed. The adjustable support apparatus includes at least one handrail attachment, each of the at least one handrail attachment includes a fixing assembly configured for fixing a corresponding handrail attachment of the at least one handrail attachment to the bed and a handrail component telescopically connected to the fixing assembly and located at a side edge of the bed, and configured for providing lateral support to patients; and a pedal element telescopically connected and arranged in sequence with the handrail component, configured to be attached below an approximate center of the bed edge of the bed.