Abstract: The present disclosure provides a composition for submucosal injection including a divalent cation and an oligosaccharide obtained by exposing powdered polysaccharides to irradiation, heat, ultrasound, or ultraviolet radiation. The composition may be provided as a single solution; or the divalent cation and the oligosaccharide may be separately packaged, with the divalent cation being provided in solution form and the oligosaccharide being provided in powder form. The divalent cation may be 0.1-0.5% w/v of Ca2+, Mg2+, Fe2+, Cu2+, Ba2+, Zn2+, or any combination thereof. The oligosaccharide may be 0.5-2% w/v of degraded sodium alginate, degraded xanthan gum, degraded dextran, degraded welan gum, degraded gellan gum, degraded diutan gum, or any combination thereof. When the divalent cation is in contact with the oligosaccharide, viscosity of the composition is greater than 1000 cP, and injection pressure of the composition falls within a range of 2.5-4 kgf.

Abstract: An electrical connector assembly includes a first connector, and a second connector docked with the first connector. The first connector includes a first insulating housing, a plurality of first signal terminals disposed in the first insulating housing, and a plurality of first power terminals disposed in the first insulating housing. Extension directions of the plurality of the first power terminals are multiple directions. The second connector includes a second insulating housing, a plurality of second signal terminals disposed in the second insulating housing, and a plurality of second power terminals disposed in the second insulating housing. Extension directions of the plurality of the second power terminals are multiple directions. The plurality of the first signal terminals are corresponding to the plurality of the second signal terminals. The plurality of the second power terminals correspondingly contact with the plurality of the first power terminals.

Abstract: An electrical connector includes an insulating body, a plurality of signal terminals assembled to the insulating body, and a plurality of power terminals assembled to the insulating body. The plurality of the power terminals surround and are spaced from the plurality of the signal terminals. Each power terminal has a base plate. Two opposite sides of the base plate extend towards the plurality of the signal terminals to form two bending arms. Two free ends of the two bending arms extend towards each other to form two connecting portions. A middle of a rear end of the base plate slantwise extends inward and towards the docking connector to form one first elastic arm. Two rear ends of the two connecting portions slantwise extend inward and towards the docking connector to form two second elastic arms.

Abstract: An electrical connector assembly includes a first connector, and a second connector docked with the first connector. The first connector includes a first insulating housing, a plurality of first signal terminals disposed in the first insulating housing, and a plurality of first power terminals disposed in the first insulating housing. Extension directions of the plurality of the first power terminals are multiple directions. The second connector includes a second insulating housing, a plurality of second signal terminals disposed in the second insulating housing, and a plurality of second power terminals disposed in the second insulating housing. Extension directions of the plurality of the second power terminals are multiple directions. The plurality of the first signal terminals are corresponding to the plurality of the second signal terminals. The plurality of the second power terminals correspondingly contact with the plurality of the first power terminals.

Abstract: An electrical connector includes an insulating body, a plurality of signal terminals assembled to the insulating body, and a plurality of power terminals assembled to the insulating body. The plurality of the power terminals surround and are spaced from the plurality of the signal terminals. Each power terminal has a base plate. Two opposite sides of the base plate extend towards the plurality of the signal terminals to form two bending arms. Two free ends of the two bending arms extend towards each other to form two connecting portions. A middle of a rear end of the base plate slantwise extends inward and towards the docking connector to form one first elastic arm. Two rear ends of the two connecting portions slantwise extend inward and towards the docking connector to form two second elastic arms.

Abstract: The present disclosure provides a composition for submucosal injection including a divalent cation and an oligosaccharide obtained by exposing powdered polysaccharides to irradiation, heat, ultrasound, or ultraviolet radiation. The composition may be provided as a single solution; or the divalent cation and the oligosaccharide may be separately packaged, with the divalent cation being provided in solution form and the oligosaccharide being provided in powder form. The divalent cation may be 0.1-0.5% w/v of Ca2+, Mg2+, Fe2+, Cu2+, Ba2+, Zn2+, or any combination thereof. The oligosaccharide may be 0.5-2% w/v of degraded sodium alginate, degraded xanthan gum, degraded dextran, degraded welan gum, degraded gellan gum, degraded diutan gum, or any combination thereof. When the divalent cation is in contact with the oligosaccharide, viscosity of the composition is greater than 1000 cP, and injection pressure of the composition falls within a range of 2.5-4 kgf.

Abstract: A button assembly includes a pressing element, a tray, and a locking structure fastened between the pressing element and the tray. One side surface of the pressing element is recessed inward to form an accommodating space. The pressing element opens at least one first upper fixing hole. A bottom surface of the pressing element is recessed upward to form a first accommodating slot. The first accommodating slot opens at least one first opening. The tray of which one side is connected with the pressing element. The one side of the tray has a base portion mounted in the accommodating space. The base portion opens at least one second opening. A bottom surface of a peripheral wall of the at least one second opening is recessed upward to form at least one locking slot. The locking structure includes at least one locking element and an elastic arm.

Abstract: A button assembly of the present invention is configured in a communication equipment. The button assembly includes a button, a tray and at least an elastic arm. A side of the button is recessed inward to form a holding space. At least an inner side wall of the holding space is recessed to form a clamping groove. The tray is disposed in the holding space. The elastic arm has a fixing portion mounted on a side wall of the tray. The fixing portion is extended frontward and is protruded outward to form a contact part. The contact part is extended frontward and outward to form a clamping part disposed in the clamping groove. The clamping groove and the elastic arm are disposed to provide the button and the tray to be fixed or disengaged, achieving an effect of saving space in assembling of internal components of the communication equipment.

Abstract: A button assembly of the present invention is configured in a communication equipment. The button assembly includes a button, a tray and at least an elastic arm. A side of the button is recessed inward to form a holding space. At least an inner side wall of the holding space is recessed to form a clamping groove. The tray is disposed in the holding space. The elastic arm has a fixing portion mounted on a side wall of the tray. The fixing portion is extended frontward and is protruded outward to form a contact part. The contact part is extended frontward and outward to form a clamping part disposed in the clamping groove. The clamping groove and the elastic arm are disposed to provide the button and the tray to be fixed or disengaged, achieving an effect of saving space in assembling of internal components of the communication equipment.

Abstract: A button assembly includes a pressing element, a tray, and a locking structure fastened between the pressing element and the tray. One side surface of the pressing element is recessed inward to form an accommodating space. The pressing element opens at least one first upper fixing hole. A bottom surface of the pressing element is recessed upward to form a first accommodating slot. The first accommodating slot opens at least one first opening. The tray of which one side is connected with the pressing element. The one side of the tray has a base portion mounted in the accommodating space. The base portion opens at least one second opening. A bottom surface of a peripheral wall of the at least one second opening is recessed upward to form at least one locking slot. The locking structure includes at least one locking element and an elastic arm.

Abstract: A button assembly of the present invention is configured in a communication equipment, characterized in that: the button assembly includes a button, a tray and at least an elastic arm. A surface of the button is recessed to form a holding groove. The tray is disposed with a locking hole and a locking groove. The elastic arm has a pedestal arranged in the holding groove. The pedestal is protruded outward to form an elastic bar. A free end of the elastic bar forms a bump corresponding to the locking hole. An outer edge of the free end of the elastic bar forms a locking block corresponding to the locking groove. Hence, the locking hole and the elastic arm are disposed to provide the button and the tray to be fixed or disengaged, so as to achieve an effect of saving space in assembling of internal components of the communication equipment.

Abstract: A touch knob which can transmit user touches above to a touch-sensitive surface below includes a base, a rotating shaft, and a rotating cap. The rotating cap defines a receiving groove facing the base, and the rotating shaft extends into the receiving groove and is connected to the rotating cap. The rotating cap is configured to rotate to transmit user touches in a bounded circular area, at least one conductive touch head is located on the rotating cap and in the receiving groove, and moves as the rotating cap moves. The disclosure avoids the need to cut or form any opening in the cover of the touch-sensitive surface or panel for buttons to be installed. A device using the above touch knob is also provided.

Abstract: A card holder includes a shell, a base unit, a button unit and a pushing unit. The shell opens an opening. A bottom of the shell is opened freely to form an accommodating space communicated with the opening. The base unit is detachably assembled in the shell. The base unit has an insertion end, a pushing end disposed opposite to the insertion end, and a connecting portion connected between the insertion end and the pushing end. A top of a middle of the insertion end is recessed downward to form a receiving groove for cooperating with a SIM card. The insertion end is detachably inserted into the accommodating space through the opening. The button unit is movably mounted to the pushing end. The pushing unit is disposed between the base unit and the button unit.

Abstract: A touch knob device that is mountable to a curved surface of a touch panel is provided. The touch knob device is removably disposed on a curved touch panel for controlling the touch panel. The touch knob device comprises a flexible base and a sense measuring knob. The base comprises a soft base body, a base pad and a base platform. The bottom surface of the base body contacts the base platform which connects the touch knob device to the touch panel. The sensing knob is rotatably disposed along an axis on the base top surface. A conductive line is connected between the sensing knob and the base pad for transferring the rotational direction or position of the sensing knob to a sensor on the touch panel via the base pad. Rotating the sensing knob allows the touch knob device to control aspects of the touch panel.

Abstract: A touch knob which can transmit user touches above to a touch-sensitive surface below includes a base, a rotating shaft, and a rotating cap. The rotating cap defines a receiving groove facing the base, and the rotating shaft extends into the receiving groove and is connected to the rotating cap. The rotating cap is configured to rotate to transmit user touches in a bounded circular area, at least one conductive touch head is located on the rotating cap and in the receiving groove, and moves as the rotating cap moves. The disclosure avoids the need to cut or form any opening in the cover of the touch-sensitive surface or panel for buttons to be installed. A device using the above touch knob is also provided.

Abstract: A process for preparing an iodinated fatty acid ethyl ester includes steps of subjecting a fatty acid ester to a protonation reaction with phosphoric acid to form a protonated fatty acid ester, and subjecting the protonated fatty acid ester to an iodination reaction with an alkali metal iodide to obtain an iodinated fatty acid ester.

Abstract: A socket connector includes an insulating housing, at least one docking element, a plurality of docking terminals, a fastening board and an outer cover assembly. A middle of the insulating housing has at least one holding groove. The at least one docking element is assembled in the at least one holding groove. The at least one docking element defines a plurality of docking grooves. The plurality of the docking terminals are fastened in the plurality of the docking grooves, separately. The fastening board has a first opening. The insulating housing is fastened to a rear surface of the fastening board. The outer cover assembly is assembled in the first opening. The outer cover assembly includes a frame and a waterproof element. The waterproof element has a sleeving ring, a covering portion, and a connecting element connected between the sleeving ring and the covering portion.

Abstract: A process for preparing an iodinated fatty acid ethyl ester includes steps of subjecting a fatty acid ester to a protonation reaction with phosphoric acid to form a protonated fatty acid ester, and subjecting the protonated fatty acid ester to an iodination reaction with an alkali metal iodide to obtain an iodinated fatty acid ester.

Abstract: The present disclosure provides an impeller and a mold for manufacting the impeller. The impeller includes a plurality of blades, and there is an overlapped area between two adjacent blades. The mold includes a first part, a second part and a plurality of slide groups. The first part and the second part move in a mold opening direction. At least a portion of each slide group is located in the overlapped area, and each slide group has a first slide block and a second slide block, and a movement direction of the first slide block and the second slide block is perpendicular to the mold opening direction. By using that the movement direction of the slide group is perpendicular to the mold opening direction, the impeller with blades that have the overlapped area may be manufactured. The blades of the impeller may have a special shape.

Abstract: An electronic system and an electronic device thereof are provided. The electronic device includes a first housing, a speaker module, a second housing, and a bearing. The first housing has a first hole. The speaker module is disposed in the first housing, and a sound generated by the speaker module is transmitted out of the electronic device through the first hole. The second housing has a bearing surface facing to the first housing. The bearing is disposed between the first housing and the second housing. The second housing and the first housing move relative to each other by using the bearing, so the first housing covers or exposes a portion of the bearing surface.