Abstract: A pedal-propelled transmission mechanism, applied in a workout equipment; the workout equipment including a deck, a front tube fixed at a front end of the deck, and a handle fixed on a top end of the front tube; the pedal-propelled transmission mechanism comprising a driving chainring having a center axle pivotally connected to a proximity of a rear section of the deck, a left pedal mechanism, and a right pedal mechanism, whereby the structure of the pedal-propelled transmission mechanism is simple that reduces the production cost and time, and easily repair and change when the parts are broken.

Abstract: A method for regenerating a spent sulfuric acid catalyst and recovering hydrocarbons from a spent sulfuric acid catalyst from alkylation of olefins and alkanes by using a hydrophobic supported liquid membrane is provided.

Abstract: A process for producing a modified polyphenylene ether resin having a purity of more than 99.4%, comprising steps of graft modification, water rinse, and extraction as well as phase splitting, is disclosed that step of separating out powder during purification is no needed, and the solvent for use in performing dissolving of or/and extraction of polyphenylene ether resin can be recycled for future use, so that the manufacturing process is simple and uses less solvent as compared to the prior art, and further helps to conserve resources and is environmentally friendly.

Abstract: An antenna structure includes a feeding portion, a first grounding portion, a second grounding portion, a first radiating portion, a second radiating portion, a third radiating portion, and a fourth radiating portion. The feeding portion is configured to feed current signals. The first and second grounding portions are positioned at two opposite sides of the feeding portion respectively. The first, second and third radiating portions cooperatively form a first current path to excite a low-frequency resonate mode and a first high-frequency resonate mode; the first radiating portion resonates with the first grounding portion to excite a second high-frequency resonate mode; the second, third and fourth radiating portion cooperatively form a second current path to excite a third high-frequency resonate mode.

Abstract: An antenna structure includes a feed unit, a grounding unit, a connecting unit, a radiating unit, and a resonating unit. The grounding unit is spaced apart from the feed unit. The connecting unit resists and is electrically connected to the feed unit and the grounding unit. The radiating unit is electrically connected to one side of the connecting unit so as to activate a first resonance mode. The resonating unit is electrically connected to another side of the connecting unit so as to activate a second resonance mode.

Abstract: An antenna structure includes a feed unit, a grounding unit, a first radiating unit, a second radiating unit, third radiating unit, fourth radiating unit, and a fifth radiating unit. The grounding unit is spaced apart from the feed unit. The first radiating unit is electrically connected to the feed unit. The second radiating unit is electrically connected to the grounding unit. The third radiating unit is electrically connected to the first radiating unit, the second radiating unit, and the fourth radiating unit. The fifth radiating unit is electrically connected to the feed unit and couples with the fourth radiating unit.

Abstract: A polyurethane adhesive is formulated using a modified polyurethane copolymer, a curing agent and an antistatic agent, and the modified polyurethane copolymer is grafted a polysiloxane compound to a polyurethane polymer and made by esterifying a polyol, a hydroxyl-containing polysiloxane compound, a multi-functional isocyanate compound and a fatty acid ester; since the polyurethane adhesive is not yellowish and easy to dry as well as has excellent fabricability, air bleeding performance and transparency, when attached to surfaces of an optical or electronic device, the protective film leaves no residue and protects the surface of the device keeping no flaws.

Abstract: A storage box with synchronous opening and lifting mechanisms, having a shell unit, a storage unit arranged inside the shell unit for receiving the object, a lifting unit disposed at a position between the shell unit and the storage unit for lifting and lowering the object, and a synchronization unit disposed inside the shell unit and the storage unit for enabling the shell unit to perform a synchronous opening and closing operation. The lift unit is coupled to the synchronous unit for lifting an object in the storage unit during the synchronous opening operation of the shell unit and lowering the object during the synchronous closing operation of the shell unit.

Abstract: A drug is provided with an emulsifier and additive free fatty compound, and steroids. The fatty compound has a core structure similar to stratum corneum. In one embodiment, the fatty compound includes 75-85 wt % of aqua, 35-45 wt % of caprylic/capric triglyceride, 1-10 wt % of pentylene glycol, 1-9 wt % of hydrogenated lecithin, 1-9 wt % of butyrospermum parkii butter, 1-7 wt % of glycerin, 1-5 wt % of ceramide NP, and 1.2-2.2 wt % of squalane.

Abstract: A pedal-propelled transmission mechanism, applied in a workout equipment; the workout equipment including a deck, a front tube fixed at a front end of the deck, and a handle fixed on a top end of the front tube; the pedal-propelled transmission mechanism comprising a driving chainring having a center axle pivotally connected to a proximity of a rear section of the deck, a left pedal mechanism, and a right pedal mechanism, whereby the structure of the pedal-propelled transmission mechanism is simple that reduces the production cost and time, and easily repair and change when the parts are broken.

Abstract: An antenna structure includes a main antenna, a diversity antenna, and at least one accessorial antenna. The main antenna extends in a main antenna direction. The diversity antenna is spaced apart from the main antenna and extends in a first radiation direction substantially parallel to the main antenna direction. The at least one accessorial antenna extends in a second radiation direction which is substantially perpendicular to either the main antenna direction or the first radiation direction.

Abstract: Features are disclosed relating to a case for a mobile device that provides supplemental battery power and supplemental storage space to the mobile device. Additional features are disclosed relating to an external storage device that can provide supplemental battery power and/or supplemental storage space for one or more devices. Further features are disclosed relating sharing and searching for files. Files may be shared across multiple (e.g., two or more) devices, operated by or associated with multiple users, providing multiple file storage locations. Files may be searched across the multiple devices using, e.g., search terms, tags, and/or other search options. Searching may also be performed with respect to activities performed in connection with subject files.

Abstract: A pedal scooter transmission mechanism capable of increasing more motion energy in the pedal scooter, comprising a driving chainring pivotally connected to a proximity of a middle section of the deck, wherein the driving chainring is connected with the driven chainring via a transmission element, whereby the rear wheel and the driven chainring are being driven; two pedal mechanisms, every pedal mechanism comprising a pedal which is horizontally installed on both sides the deck near the middle section, and drives the center axle by a driving connecting rod assembly, wherein the total length of driving connecting rod assemblies is different, so that one of the pedal can generate more torque force and make the pedal scooter produce more motion energy.

Abstract: An exemplary wireless communication device includes a circuit board, a first antenna, a second antenna, and an end portion. The circuit board includes a feed terminal. The first antenna is located on the circuit board adjacent to the feed terminal. The second antenna is electronically connected to the feed terminal. The end portion serves as a portion of a metal housing of the wireless communication device and includes a positioning portion. The positioning portion secures the first antenna and the end portion to the circuit board.

Abstract: An antenna structure includes a feed unit, a grounding unit, a first radiating unit, a second radiating unit, third radiating unit, fourth radiating unit, and a fifth radiating unit. The grounding unit is spaced apart from the feed unit. The first radiating unit is electrically connected to the feed unit. The second radiating unit is electrically connected to the grounding unit. The third radiating unit is electrically connected to the first radiating unit, the second radiating unit, and the fourth radiating unit. The fifth radiating unit is electrically connected to the feed unit and couples with the fourth radiating unit.

Abstract: An antenna structure includes a feed unit, a grounding unit, a connecting unit, a radiating unit, and a resonating unit. The grounding unit is spaced apart from the feed unit. The connecting unit resists and is electrically connected to the feed unit and the grounding unit. The radiating unit is electrically connected to one side of the connecting unit so as to activate a first resonance mode. The resonating unit is electrically connected to another side of the connecting unit so as to activate a second resonance mode.

Abstract: An antenna assembly includes a first antenna, a second antenna, and at least one connecting member. The first antenna includes a radiator and at least one connecting portion connected to the radiator, and the radiator is a part of a housing of a wireless communication device. The at least one connecting member is connected to the at least one connecting portion to fix the first antenna to the wireless communication device to feed current to the first antenna and the second antenna.

Abstract: A wireless communication device includes a cover, an antenna, and an adjusting member. The adjusting member is slidably mounted to the cover and is made of non-conductive materials. The antenna includes a extending portion, the extending portion is sandwiched between the cover and the adjusting member. The adjusting member contacts and partially overlaps with the extending portion, the adjusting member slides relative to the cover to change contact positions of the extending portion and the adjusting member.

Abstract: An antenna structure includes an antenna holder, a first metallic portion, a second metallic portion, and a radiator. The antenna holder includes a top wall, a first sidewall, and a second sidewall. The first sidewall and the second sidewall are both substantially perpendicularly connected to a periphery of the top wall. The radiator is positioned at least on the top wall, the first sidewall, and the second sidewall. The first metallic portion is substantially parallel to the first sidewall. The second metallic portion is substantially parallel to the second sidewall. The first metallic portion and the second metallic portion are both configured for being coupled to the radiator.