Abstract: A method for preparing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, including: providing a first reactor including a first section, a second section, and a third section, with each section being filled with different catalysts, preheating hexafluoropropylene and hydrogen, and introducing the hexafluoropropylene and the hydrogen to the first reactor to yield a first mixture including: 1,1,1,2,3-pentafluoropropane, 1,1,1,2,3,3-hexafluoropropane, and hydrogen fluoride; introducing the first mixture to a first distillation column to yield 1,1,1,2,3,3-hexafluoropropane at a top of the first distillation column and 1,1,1,2,3-pentafluoropropane and hydrogen fluoride at a bottom of the first distillation column, recycling the 1,1,1,2,3,3-hexafluoropropane to a lower part of the first section of the first reactor, and introducing the 1,1,1,2,3-pentafluoropropane and the hydrogen fluoride to a second reactor to yield a second mixture including: 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, hydr

Abstract: A method for preparing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, including: providing a first reactor including a first section, a second section, and a third section, with each section being filled with different catalysts, preheating hexafluoropropylene and hydrogen, and introducing the hexafluoropropylene and the hydrogen to the first reactor to yield a first mixture including: 1,1,1,2,3-pentafluoropropane, 1,1,1,2,3,3-hexafluoropropane, and hydrogen fluoride; introducing the first mixture to a first distillation column to yield 1,1,1,2,3,3-hexafluoropropane at a top of the first distillation column and 1,1,1,2,3-pentafluoropropane and hydrogen fluoride at a bottom of the first distillation column, recycling the 1,1,1,2,3,3-hexafluoropropane to a lower part of the first section of the first reactor, and introducing the 1,1,1,2,3-pentafluoropropane and the hydrogen fluoride to a second reactor to yield a second mixture including: 2,3,3,3-tetrafluoropropene, 1,3,3,3-tetrafluoropropene, hydro

Abstract: The present invention relates to stable oil-in-water emulsions comprising a polyunsaturated fatty acid, an emulsifier, water, a metal chelating agent, and an antioxidant, and processes for preparing the stable oil-in-water emulsions. The stable oil-in-water emulsions are substantially free from coalescence, flocculation, Ostwald ripening, and creaming, for a period of at least five months at a temperature of about 4° C.

Abstract: The present invention relates to thermally, stable oil-in-water emulsions comprising an oil comprising a polyunsaturated fatty acid, water, an emulsifier, and a water-soluble stabilizer, and processes for preparing the thermally stable oil-in-water emulsions. The thermally stable oil-in-water emulsions remain flowable at a temperature of ?40° C., and are free from a variation in particle size after 9 months in storage at a temperature of ?40° C. to ?15° C.

Abstract: A method for preparing 2,3,3,3-tetrafluoropropene, including: a) heating and vaporizing hydrogen fluoride and 1,1,2,3-tetrachloropropene (TCP), and introducing hydrogen fluoride and TCP to a first reactor for reaction in the presence of an A-type catalyst to yield a first product mixture including 2,3-dichloro-3,3-difluoropropene (“HCFO-1232xf”), where the mole ratio between hydrogen fluoride and TCP is between 5:1 and 60:1, the reaction temperature is between 200 and 500° C., and the space velocity is between 200 and 2000 h?1; b) preheating the first product mixture including HCFO-1232xf, introducing the first product mixture including HCFO-1232xf to a second reactor for reaction in the presence of a B-type catalyst to yield a second product mixture including HFO-1234yf, where the temperature of the preheated first product mixture including HCFO-1232xf is higher than the reaction temperature of the first reactor and lower than the reaction temperature of the second reactor.

Abstract: A method for preparing 2,3,3,3-tetrafluoropropene, including: a) heating and vaporizing hydrogen fluoride and 1,1,2,3-tetrachloropropene (TCP), and introducing hydrogen fluoride and TCP to a first reactor for reaction in the presence of an A-type catalyst to yield a first product mixture including 2,3-dichloro-3,3-difluoropropene (“HCFO-1232xf”), where the mole ratio between hydrogen fluoride and TCP is between 5:1 and 60:1, the reaction temperature is between 200 and 500° C., and the space velocity is between 200 and 2000 h?1; b) preheating the first product mixture including HCFO-1232xf, introducing the first product mixture including HCFO-1232xf to a second reactor for reaction in the presence of a B-type catalyst to yield a second product mixture including HFO-1234yf, where the temperature of the preheated first product mixture including HCFO-1232xf is higher than the reaction temperature of the first reactor and lower than the reaction temperature of the second reactor.

Abstract: The present invention relates to a powderous formulation comprising powder particles. These powder particles do comprise polyunsaturated oils, especially polyunsaturated fatty acids, and the powder do have at the same time an excellent sensory profile, a fine particle structure and a high oil loading.

Abstract: An image processing method and apparatus, the image processing method including receiving a first largest coding unit of an image, where the first largest coding unit is a currently received largest coding unit; determining a compensation parameter of the first largest coding unit; performing pixel compensation on at least one area of the first largest coding unit according to the compensation parameter of the first largest coding unit; and performing pixel compensation on at least one area, on which pixel compensation is not performed, of a second largest coding unit according to a compensation parameter of the second largest coding unit, where the second largest coding unit is a previously received largest coding unit adjacent to the first largest coding unit.

Abstract: An electronic device enclosure includes a top panel and a handling device. The top panel defines a mounting opening. The handling device includes a handling member, a cover member, and an elastic member. The handling member is mounted to the top panel. The handling member defines a receiving opening corresponding to the mounting opening. The cover member is pivotally mounted to the handling member and is received in the receiving opening. The elastic member elastically resists an inner side of the cover member. The cover member is received in the receiving opening in a first position. The elastic member elastically resists an inner side of the cover member in the first position. The cover member is configured to rotate inward to move from the first position to a second position. The elastic member is deformed when the cover member is in the second position.

Abstract: A dispensing device in a vending machine to prevent an accidental loss of goods when being operated by a customer includes a bracket, a shaft, a first mounting member, a second mounting member, and a sleeve. The first mounting member includes two first sidewalls. The second mounting member includes two second sidewalls. The sleeve is secured around the shaft. Each first sidewall and each second sidewall cooperatively define an installation opening rotatably receiving the shaft therein. The sleeve is limited between the first sidewalls and the second sidewalls, preventing the shaft from moving up and down.

Abstract: Mounting apparatus for holding goods containers in a vending machine includes a rack with a cover. At least two containers (warehouses) comprise a center warehouse with a first blocking portion and a left warehouse with a second blocking portion. A sliding member includes a flange. The sliding member can be in a a first position or in a second position. In the first position, the flange abuts the second blocking portion and is disengaged from the first blocking portion, allowing the center warehouse to be moved out of the rack but so preventing the left warehouse from also moving out of the rack. In the second position, the flange abuts the first blocking portion and is disengaged from the second blocking portion, allowing the left warehouse to be moved out of the rack but so preventing the right warehouse from also moving out of the rack.

Abstract: A vending machine includes a sliding way, a storage compartment, and a locking structure. The storage compartment is slidable in the sliding way. The locking structure includes a latching member and a magnetic valve. The latching member is engaged with the storage compartment, and is secured to the storage compartment. The latching member is movable relative to the storage compartment between a lock position and an unlock position. When the latching member is located in the lock position, the latching member is engaged with the sliding way, and the magnetic valve is engaged with the latching member. The latching member is disengaged from the sliding way when located in the unlocked position, and the magnetic valve is disengaged from the latching member.

Abstract: A mounting apparatus for a storehouse in a vending machine is disclosed. The mounting apparatus includes a base, a limiting member, and an installation member. The base is configured for holding a storehouse and includes two blocking plates configured for receiving the storehouse therebetween. The installation member movably mounts the limiting member to one of the two blocking plates. A portion of the limiting strip is located between the two blocking plates to abut a side surface of the storehouse, preventing the storehouse from tilting in a direction substantially parallel to the two blocking plates.

Abstract: An automatic vending machine includes a chassis and a switch module. The chassis includes a bottom plate. The bottom plate defines four latching holes, and a protrusion being located on the bottom plate. The installation bracket includes an installation board, four latching tabs and a knob. The four latching tabs and the knob are located on the installation board. Each of the four latching tabs is engaged in each of the four latching holes, to prevent the switch module from moving along a first direction, and the knob is engaged with the protrusion, to prevent to the switch module from moving along a second direction opposite to the first direction so that the switch module is assembled to the chassis without screws.

Abstract: A supporting apparatus includes a base member, a securing assembly secured to the base member, and a supporting assembly secured to the securing assembly. The supporting assembly includes a slid-way module and a bracket. The bracket is secured to the slid-way module and supports a monitor. The slid-way module includes a main body and an adjusting member. The main body includes two guiding ways and a sliding portion. The sliding portion is slidably engaged between the two guiding ways. The adjusting member includes a holding portion located between the sliding portion and the two guiding way, a resilient piece, and a controlling portion rotatably installed on the holding portion. The resilient piece is located between the holding portion and the controlling portion. The controlling portion is rotatable to deform the resilient piece to adjust friction force between the holding portion and the two guiding ways.

Abstract: The present invention relates to stable oil-in-water emulsions comprising a polyunsaturated fatty acid, an emulsifier, water, a metal chelating agent, and an antioxidant, and processes for preparing the stable oil-in-water emulsions. The stable oil-in-water emulsions are substantially free from coalescence, flocculation, Ostwald ripening, and creaming, for a period of at least five months at a temperature of about 4° C.

Abstract: An electronic device includes a chassis, a motherboard, an expansion card, and a securing member. The chassis includes a bottom wall and a sidewall substantially perpendicular to the bottom wall. Two engaging slots are defined in the sidewall. The motherboard is located on the bottom wall. The expansion card is plugged into the motherboard. The securing member includes a resilient board and two feet located on the resilient board. The resilient board is configured to deform to engage the two feet in the two engaging slots and retain the expansion card to the motherboard.

Abstract: An electronic device enclosure includes a top panel and a handling device. The top panel defines a mounting opening. The handling device includes a handling member, a cover member, and an elastic member. The handling member is mounted to the top panel. The handling member defines a receiving opening corresponding to the mounting opening. The cover member is pivotally mounted to the handling member and is received in the receiving opening. The elastic member elastically resists an inner side of the cover member. The cover member is received in the receiving opening in a first position. The elastic member elastically resists an inner side of the cover member in the first position. The cover member is configured to rotate inward to move from the first position to a second position. The elastic member is deformed when the cover member is in the second position.

Abstract: A supporting bracket for a monitor includes a stand and a control structure. The stand comprises a pole. The control structure comprises a installation member, a clamping member, a resilient member and a control member. The installation member comprises an installation portion in which an installation hole is defined. The clamping member is engaged in the installation hole and against the pole. The resilient member is sandwiched between the inside wall of the installation portion and the clamping member. The control member is installed in the installation member. The control member is rotatable relative to the installation member to modulate a friction between the pole and the clamping member.

Abstract: An enclosure includes a chassis, a side panel and a knob structure. The chassis includes a rear panel in which a latching hole is defined. The knob structure includes a mounting member, a sliding member engaged in the mounting member, a positioning member secured to the side panel and a resilient member elastically engaged between the sliding member and the positioning portion. The mounting member is secured to the side panel. The sliding member includes a hook. The sliding member can slide from a first position to a second position; when the sliding member is in the first position, the hook engages in the latching hole, when the sliding member is in the second position, the hook disengages from the latching hole; the resilient member elastically deforms to bias the sliding member to slide from the first position to the second position.