Abstract: A composition of matter useful as a bioadhesive including a bistable adhesive polymer. The bistable adhesive polymer includes one or more polymer backbones; side-chains attached to each of the polymer backbones; and one or more transition temperatures between a crystalline state and an amorphous state. The one or more transition temperatures are such that the polymer transitions from the crystalline state to the amorphous state upon physical contact with biological tissue having a temperature higher than the transition temperature. The polymer adheres or attaches to the biological tissue in the amorphous state and can be peeled from the biological tissue when cooled below the transition temperature to the crystalline state.

Abstract: A method for scaling a vehicle crash dummy model, includes: obtaining a height ratio, a girth ratio, and a mass ratio of each part of a body shape of a target population to a reference population; calculating part scaling ratios of the target population to the reference population in a height direction and each direction in a girth plane according to the height ratio, the girth ratio, and the mass ratio; scaling simulation models of each part of a dummy simulation model of the reference population according to each scaling ratio; and assembling scaled models of each part, to obtain a dummy simulation model of the target population. This embodiment improves a shape simulation degree for a real human body of a dummy.

Abstract: A method for measuring deformation of dummy rib, includes: controlling a plurality of laser device groups to slide along corresponding curve segments respectively, and executing the following steps when the laser device groups slide to each sampling point, to obtain a degree of deformation at a position, corresponding to the sampling point, on to-be-measured dummy rib, the following steps including: controlling a laser range finder to emit a laser beam in a normal vector direction of a tangent corresponding to a position on a slide rail; determining whether the laser range finder receives corresponding reflected laser. This embodiment can have advantages of simple operation, low cost, and high accuracy.

Abstract: The present disclosure provides msect-4 molecular sieves with OFF and ERI topologies, a preparation method therefor, and applications thereof. An eight-membered ring small pore molecular sieve used as a raw material is dispersed in an aqueous phase. Following that, caustic potash, an aluminum source, and an organic structure-directing agent (OSDA) are added. The pH value is then adjusted to be greater than 10, and a silicon source is introduced to attain the desired silicon-aluminum ratio, followed by stirring reaction, aging, crystallization, filtration, washing, ammonia exchange reaction, drying, and calcination. The msect-4 molecular sieves with OFF and ERI topologies, the preparation method therefor, and applications exhibit excellent hydrothermal stability, a plurality of adsorption sites exposed by a regular bone-like structure, and a large specific surface area.

Abstract: A method for building a vehicle crash dummy skull model, includes: building an original skull model according to computed tomography scan data of a human skull; inserting a new first node according to a distance between adjacent first nodes on a hole boundary contour line, to obtain a target contour line; inserting a plurality of second nodes into holes according to the target contour line to obtain an intermediate boundary contour line; forming triangular nets according to the nodes on the target contour line and the intermediate boundary contour line; and with the intermediate boundary contour line as a new target contour line, returning to the operation of inserting a plurality of second nodes until the number of nodes of a final target contour line is less than or equal to a preset value. This embodiment is conducive to building of a skull model with a smooth cranial surface.

Abstract: The present invention discloses a method of filling simulated muscles for a limb of an automobile crash test dummy, the simulated muscles are molded with foaming in the inner cavity of the mold; the method comprises: obtaining a filling volume of the inner cavity of the mold by using a liquid casting method, preparing an adhesive liquid film layer, preparing a filler and conducting demolding detection on the limb. Wherein step 3 is to inject the mixed filler into the inner cavity of the mold so as to be foamed in the mold to form foamed sponge, and stand until the foamed sponge is foamed to the exhaust port and does not overflow any more.

Abstract: The present invention discloses a method of filling simulated muscles for a limb of an automobile crash test dummy, the simulated muscles are molded with foaming in the inner cavity of the mold; the method comprises: obtaining a filling volume of the inner cavity of the mold by using a liquid casting method, preparing an adhesive liquid film layer, preparing a filler and conducting demolding detection on the limb. Wherein step 3 is to inject the mixed filler into the inner cavity of the mold so as to be foamed in the mold to form foamed sponge, and stand until the foamed sponge is foamed to the exhaust port and does not overflow any more.

Abstract: The present invention relates to the field of passive safety testing of vehicles, in particular to a construction method for an impact response performance limit value of a crash dummy and an electronic device. The method includes: determining, according to response curves of the crash dummy under different impact test conditions, a standard response curve and alignment starting time and ending time of each response curve; aligning, according to differences between other response curves except the standard response curve and the standard response curve, other response curves except the standard response curve with the standard response curve; and determining, according to all the aligned response curves, an impact response performance limit value function of the crash dummy, where the differences include cumulative differences or cumulative variances. The method can truly, accurately and effectively construct a performance limit value of a dummy part under various impact tests.

Abstract: The present invention relates to the field of vehicle safety crash test dummies, and discloses an arm for a crash dummy, a control method, a device and a storage medium. The arm comprises: a first motor (1), a coupling (2), a capstan shaft (3), a first bevel gear (4), a second motor (5), a first capstan (6), a capstan bearing (7), an elbow joint base (8), a forearm (9), a first elbow joint bearing (11), drive lines (13), a second pulley (14), an elbow joint shaft (16), a first fixed sleeve (17), a second fixed sleeve (18), a second elbow joint bearing (20), an elbow joint connection block (22), a power source connection block (24), a second bevel gear (27), two sets of pulleys, a second capstan (28) and a power source bracket (29). The arm provided in this embodiment has an active function.

Abstract: A method for measuring the motion response of a dummy in a crash test comprises: acquiring images of a measurement mark by a camera during the crash test, wherein the measurement mark is fixed on a part to be measured of the dummy, and the dummy is set in association with a preset platform; determining first coordinate positions of the measurement mark in the images; determining corresponding second coordinate positions of the first coordinate positions in a static coordinate system according to a preset conversion relationship, wherein the X-axis of the static coordinate system is parallel to the motion direction of the preset platform, the Y-axis of the static coordinate system is perpendicular to the motion direction of the preset platform; and determining a motion response trajectory of the part to be measured according to an initial position of the part to be measured and the second coordinate positions.

Abstract: The present invention discloses a liquid metal thermal interface material having an anti-melt characteristic and a preparation method thereof. The liquid metal thermal interface material is characterized by comprising, in percentage by weight, 20-40 wt % of indium, 0-6 wt % of bismuth, 0-2 wt % of antimony, 0-3 wt % of zinc, 0-0.6 wt % silver, 0-0.3 wt % of nickel, 0-0.8 wt % of cerium, 0-0.6 wt % of europium and the balance of tin. The liquid metal thermal interface material has excellent thermal conductivity and chemical stability in an operating environment of an insulated gate bipolar transistor (IGBT), and thus is very suitable for IGBT devices in large-scale industrial production and practical applications.

Abstract: The present disclosure relates to a positioner and positioning equipment, and relates to the field of display technology. The positioner includes a bottom face and a first side face which are perpendicular and adjacent to each other, the first side face being configured to abut against a work piece to be positioned so as to position the work piece to be positioned, the bottom face being provided with a magnetic member.

Abstract: A new type of switching mechanism for a ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes two pairs of fixed contact holders, each member of each pair having at least one fixed contact at one end; a pair of movable contact holders, each having an end having one or more of movable contacts, each movable contact being arranged for contacting one of the fixed contacts; and a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders.

Abstract: A new type of switching mechanism for a ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes two pairs of fixed contact holders, each member of each pair having at least one fixed contact at one end; a pair of movable contact holders, each having an end having one or more of movable contacts, each movable contact being arranged for contacting one of the fixed contacts; and a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders.

Abstract: A new type of switching mechanism for a ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes two pairs of fixed contact holders, each member of each pair having at least one fixed contact at one end; a pair of movable contact holders, each having an end having one or more of movable contacts, each movable contact being arranged for contacting one of the fixed contacts; and a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders.

Abstract: A new type of ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes a pair of fixed contact holders, each having a contact at one end; a pair of movable contact holders, each having a fixed end and a movable end, each of the movable ends having a contact; a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders; an electromagnetic resetting component, which, when energized, causes the movable assembly to be in the first position; an electromagnetic tripping component, different from the electromagnetic resetting component, which, when energized, causes the movable assembly to be in the second position; and a contr

Abstract: The present invention relates to a reverse wiring protection device for ground fault circuit interrupter that includes a tripper and control circuit. The tripper comprises: a pull rod with flat, a L-shaped latch, a balance frame coupled with the latch moving up and down with the pull rod, a trip coil, a plunger and a contact switch (K) which is capable of energizing and de-energizing the trip coil. The reset can't be depressed when an installer or user miswires the line and the load.

Abstract: A new type of ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes a pair of fixed contact holders, each having a contact at one end; a pair of movable contact holders, each having a fixed end and a movable end, each of the movable ends having a contact; a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders; an electromagnetic resetting component, which, when energized, causes the movable assembly to be in the first position; an electromagnetic tripping component, different from the electromagnetic resetting component, which, when energized, causes the movable assembly to be in the second position; and a contr

Abstract: A new type of switching mechanism for a ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes two pairs of fixed contact holders, each member of each pair having at least one fixed contact at one end; a pair of movable contact holders, each having an end having one or more of movable contacts, each movable contact being arranged for contacting one of the fixed contacts; and a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders.

Abstract: The present invention relates to a reverse wiring protection device for ground fault circuit interrupter that includes a tripper and control circuit. The tripper comprises: a pull rod with flat, a L-shaped latch, a balance frame coupled with the latch moving up and down with the pull rod, a trip coil, a plunger and a contact switch (K) which is capable of energizing and de-energizing the trip coil. The reset can't be depressed when an installer or user miswires the line and the load.