Abstract: A hydrophobic porous silica aerogel composite membrane for a vacuum membrane distillation device and a vacuum distillation method are disclosed. The vacuum membrane distillation device has a case and the hydrophobic porous silica aerogel composite membrane accommodated in the case to divide a chamber defined by the case into a feed part configured to feed a first fluid containing water molecules and a permeate part configured to collect a second fluid containing the water molecules. The hydrophobic porous silica aerogel composite membrane includes a porous aluminum oxide membrane that has a plurality of first pores with average pore diameter larger than 50 nm and a porous silica aerogel membrane that has a plurality of second pores of 2 to 50 nm and is formed on at least one side of the porous aluminum oxide membrane facing the feed part by methylmethoxysilane as a precursor and a sol-gel synthetic process.

Abstract: A hydrophobic porous silica aerogel composite membrane for a vacuum membrane distillation device and a vacuum distillation method are disclosed. The vacuum membrane distillation device has a case and the hydrophobic porous silica aerogel composite membrane accommodated in the case to divide a chamber defined by the case into a feed part configured to feed a first fluid containing water molecules and a permeate part configured to collect a second fluid containing the water molecules. The hydrophobic porous silica aerogel composite membrane includes a porous aluminum oxide membrane that has a plurality of first pores with average pore diameter larger than 50 nm and a porous silica aerogel membrane that has a plurality of second pores of 2 to 50 nm and is formed on at least one side of the porous aluminum oxide membrane facing the feed part by methylmethoxysilane as a precursor and a sol-gel synthetic process.

Abstract: A stepping exerciser having a connecting device for training balance includes two stepping units and a connecting unit disposed between the two stepping units. Through the connecting unit, the two stepping units can be used in a stable state to enhance safety of use. Furthermore, because the connecting unit provides an angle adjustment function, the relative position of the two stepping units can be changed. The use of the stepping exerciser can be adjusted according to the user's own physical status and age. The present invention provides a variety of changes for use so as to train balance and muscles throughout the body. The exercise effect and amusement of use can be enhanced.

Abstract: A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched suspension arm connected between the fixed end and the free end, and two sliding coupling devices coupled between the free ends of the spring plates and the base, each sliding coupling device including a track plate extended from the base along a predetermined path and a roller pivotally connected to the free end of one spring plate and rotatably supported on the track plate.

Abstract: A stepping exerciser includes a lower main body and an upper main body. The lower main body includes a bottom board. The bottom board has a lower resilient portion extending upward. The upper main body includes a top board. The top board has an upper resilient portion extending downward. The two ends of the upper resilient portion and the lower resilient portion are pivoted by shaft members to form an oval shape. The user can use one or two stepping exerciser as desired. When in use, the user wears the stepping exerciser to jump and step for exercise or amusement. This is beneficial for promoting gastrointestinal peristalsis and digesting.

Abstract: An upright horse riding exercise machine includes a base, two pedals and two elastic units. The two pedals are respectively coupled on top of the two elastic units. When the user stands on the two pedals and jumps up and down, the elastic units provide elasticity to assist the user in exercising up and down to imitate horse riding or horse riding dance, providing exercise, bodybuilding and amusement objects. The present invention provides an interesting exercise apparatus, having product commercialization value.

Abstract: A leg exerciser includes a base positioned on the floor, two pedals pivotally connected to the base in a parallel manner, two spring plates supporting the pedals on the floor, each spring plate having a fixed end connected to one pedal, a free end movably supported on the floor and a smoothly arched suspension arm connected between the fixed end and the free end, and two sliding coupling devices coupled between the free ends of the spring plates and the base, each sliding coupling device including a track plate extended from the base along a predetermined path and a roller pivotally connected to the free end of one spring plate and rotatably supported on the track plate.

Abstract: A scissors-like exercising apparatus includes two bodies intersecting with each other, a pivoting unit located between the two bodies, and two sliding units coupled to lower ends of the two bodies. To operate the present invention, the user grasps the tops of the two bodies and stands on the sliding units to retract and extend the two bodies inward and outward like the operation of a pair of scissors.

Abstract: A scissors-like exercising apparatus includes two bodies intersecting with each other, a pivoting unit located between the two bodies, and two sliding units coupled to lower ends of the two bodies. To operate the present invention, the user grasps the tops of the two bodies and stands on the sliding units to retract and extend the two bodies inward and outward like the operation of a pair of scissors.

Abstract: The present invention provides a message display panel structure including a combination outer frame and a waterproof housing. Grooved joining portions are located on a periphery of an inner side of the combination outer frame, and a rear panel is located at a rear side of the combination outer frame. The waterproof housing is configured with a plurality of light emitting display modules, a plurality of bottom housings, a power supply unit, a signal control box and a signal scanning panel. A rear side of the waterproof housing is mutually joined to the joining portions of the combination outer frame, fixing position thereof, by means of rotating shaft L strips. Accordingly, the present invention is provided with effectiveness of a structure that is simple and fast to assemble, provides labor saving maintenance, has excellent waterproofing quality and improves safety.

Abstract: A treadmill has a housing covering from above a base, a front supporting rod of the base has a central supporting column connecting a left and a right linkage in a symmetrical way; each linkage has a peddle, its front end connects a linking member, the two linkages are connected at angular positions but being connected pivotally to the two lateral sides of the supporting column; each peddle is connected on its rear end with a buffer which is connected to the front supporting rod to brace up the peddle, and to form impedance force; a left and aright ski stick each is fixedly connected with a peddle, a supporting rack is connected with the supporting column and is mounted thereon a wheel to limit moving of a flexible member of which two ends are respectively connected with the left and the right linking members, in order that the peddles can move up and down in inclined positions.

Abstract: An elliptical exerciser includes a base, a body, a transmission device, an adjustable upright post, a pair of handles and two foot pedal rods. The post is composed of an upper tube which is retractably inserted in a lower tube. Two respective mediate portions of the two handles are connected to two sides of the upper tube. Two ends of each foot pedal are respectively connected to a lower end of the handle and the transmission device. The swinging of the handles drives the foot pedal rods and the transmission device rotates. The positions of elliptical trace of the pedal rods are adjusted by adjusting the upper tube upward or downward relative to the lower tube so as to simulate uphill hiking and downhill hiking and exercise different parts of muscles.

Abstract: A waterproof LED display has a housing. A circuit board with a plurality of LED groups is mounted within the housing. A transparent sheet which has a smooth inner surface opposite to the circuit board and a coarse outer surface to prevent reflection of the sunshine, is provided outside the circuit board. A panel with a plurality of apertures to respectively correspond to the groups of LEDs is mounted outside the transparent sheet. Waterproof silica gel is spread over joints between the panel and the housing.

Abstract: A waterproof LED display has a housing and a circuit board with a plurality of LEDs provided in the housing. A back seat is formed at a rear portion and a back cover is mounted on the back seat. The back seat forms a first rim defining an opening and has a channel defined around the opening. A gasket is provided in the channel. The back seat and the back cover respectively have complementary teeth to engage with each other to form a zigzag path between them. The back cover further has a plurality of vertical slots defined in a bottom portion thereof and a plurality of flexible conduits respectively received in the vertical slots and extended out from the slots. Wires of the circuit board are extended out along the flexible conduits.

Abstract: A method of controlling the load in an electric circuit by means of detecting the time state of same frequency of alternating current sine wave and alternating current square wave, which includes the step of picking up a half cycle wave signal, then attenuating the picked up half cycle wave signal and shaping the signal into a pulse wave signal, the step of chopping the picked up half cycle wave signal and shaping the signal into a square wave signal and then delayed the square wave signal, the step of comparing the rising edge of the square wave signal with the descending edge of the pulse signal so as to obtain a time difference, and the step of controlling the load of the electric circuit by means of a first control mode if the voltage level of the time difference thus obtained is at low potential, or by means of a second control mode if the voltage level of the time difference thus obtained is at high potential.