Abstract: A distance education method to be implemented by a server device, and includes transmitting education course material to a client electronic device, which prompts for user input of a response to an interactive inquiry of the education course material and transmits the response to a server device, providing a solution to the interactive inquiry to the client electronic device, which prompts for user input of a correction to the response and transmits the correction to the server device, and generating an evaluation result, which is associated with a user learning outcome of the education course material, based on the correction and the solution.

Abstract: A dust-collecting device adaptive to a power drill comprises a container having atop a tapered portion, the tapered portion including an opening, the container having a through hole at bottom, and a positioning seat being raised around the through hole; a shaft assembly passing through the through hole, the shaft assembly having at least one bearing received in the positioning seat; a spring member being mounted around the shaft assembly; and a spacing member being coupled to one end of the spring member, the spacing member having a round hole for a bit of the power drill to pass therethrough and then pass through the shaft assembly and the opening, whereby, when the power drill drills, drill dust thus generated is guided by a taper of the tapered portion and converged in the container.

Abstract: The series-type charging device comprises an input-terminal, an output-terminal, a control unit and a detector unit. The input-terminal receives an input power. The output-terminal connects the input-terminal and another series-type charging device, and provides a next-level power. The control unit connects the input-terminal and the output-terminal, and stores an upper limit value of the input power, and obtains an output power by shunt of the input power. The control unit generates a charging power according to the output power, and charges a battery. The detector unit is connected between the input-terminal and the output-terminal to measure a supply power of the input power. Wherein, charging the battery of another series-type charging device first when another series-type charging device is connected with the output-terminal and the remaining power is arranged for the other series-type charging device.

Abstract: A dust-collecting device adaptive to a power drill comprises a container having atop a tapered portion, the tapered portion including an opening, the container having a through hole at bottom, and a positioning seat being raised around the through hole; a shaft assembly passing through the through hole, the shaft assembly having at least one bearing received in the positioning seat; a spring member being mounted around the shaft assembly; and a spacing member being coupled to one end of the spring member, the spacing member having a round hole for a bit of the power drill to pass therethrough and then pass through the shaft assembly and the opening, whereby, when the power drill drills, drill dust thus generated is guided by a taper of the tapered portion and converged in the container.

Abstract: A foam dispensing device includes an outer tube connecting with a liquid container. A lower tube and an upper tube are partially received in the outer tube. The lower tube has a guide chamber defined therein which has a second inlet defined therein. A liquid piston is connected with the lower tube for selectively sealing the second inlet. A spring is compressibly received in the outer tube and abuts against the lower tube. The upper tube sleeves on the lower tube and has a mixing chamber defined therein for communicating with the guide chamber. An air piston movably sleeves on the upper tube and has at least one air hole defined therein for guiding air into the outer tube. A dispensing head is connected with the upper tube and has a nozzle formed thereon.

Abstract: A spray device for generating foam includes a container provided for receiving liquid, a spray element mounted on a top of the container, a guiding tube extending into an interior of container, and a pressurizing element mounted on the container. The spray element has a guiding channel defined therein. The guiding tube is connected with the guiding channel. The guiding tube has an air hole laterally defined therein and positioned adjacent to the guiding channel. The pressurizing element is manually operated to aerate air into the container to compress the air in the container for pushing the liquid spraying from spray element via the guiding tube.

Abstract: A pharmaceutical composition for inhalation delivery is provided, including drugs and a gelatin nanoparticle encapsulating the drugs to form a drug-gelatin nanocomplex, wherein the surface of the gelatin nanoparticle is modified with cell-targeting molecules. A method for fabricating the pharmaceutical composition for inhalation delivery is also provided.

Abstract: A pump assembly with a pressable head includes a push tube, an inner tube, a stop valve, and an outer tube; a top of the push tube passing through the outer tube; the push tube communicates with the inner tube; a bottom of the inner tube is formed with an annular plug; the annular plug of the inner tube has a plurality of via holes defined therein. The via holes have inclined inner walls. A top of the inner tube has a stop valve; the stop valve is a flat structure; an elastic structure is formed on a periphery of the stop valve; by elastic deformation of the elastic structure, the stop valve tightly adheres to an inner wall of the outer tube; an interior of the outer tube has a stepped structure with a greater diameter at an upper side and a smaller diameter at a lower side.

Abstract: A clamping device for electronic products includes a combining member and a clamping base that is made of elastic steel sheet having its outer periphery coated with a layer of soft rubber and its central portion bored with a combining hole. Thus, after the clamping base is combined with an electronic product by the combining member, the electronic product can be hung on a user's girdle by turning over the elastic steel sheet of the clamping base, and an earphone line can be wound on the steel sheet in a space between the clamping base and the electronic product, having great practicability and convenience in use.

Abstract: A pump with a pressure driving head comprises a retaining tube; the retaining tube having a receiving space; liquid can flow therein; a returning element being installed in the receiving space; a movable tube received in the receiving space of the retaining tube; a head extending from a top of the movable tube; the head having an outlet which is communicated to the movable tube; when a pressure is applied to the head, the movable tube will move axially in the retaining tube; and an isolation device tightly adhered upon an inner wall of the receiving space of the retaining tube; an air isolation chamber being formed by the isolation device and the movable tube; with the pressing affect of the movable tube, a part of liquid in the retaining tube will be stored in the air isolation chamber so as to be formed with an air isolation layer.

Abstract: A method for manufacturing the DP-bioglass to use in dental fracture repair via the carbon dioxide laser, the method comprises the steps: mixing and co-dissolving silicon and phosphoric acid raw material into ethanol; sequentially adding nitric acid, calcium and sodium raw material and stirring; standing, drying, triturating and heating the composition to obtain a glass powder material consisting of Na2O—CaO—SiO2—P2O5 and drying the oxide material mixing with a phosphoric acid to react the DP-bioglass.

Abstract: A clamping device for electronic products includes a combining member and a clamping base that is made of elastic steel sheet having its outer periphery coated with a layer of soft rubber and its central portion bored with a combining hole. Thus, after the clamping base is combined with an electronic product by the combining member, the electronic product can be hung on a user's girdle by turning over the elastic steel sheet of the clamping base, and an earphone line can be wound on the steel sheet in a space between the clamping base and the electronic product, having great practicability and convenience in use.

Abstract: A pump assembly with a pressable head comprises a push tube, an inner tube, a stop valve, and an outer tube; a top of the push tube passing through the outer tube; the push tube being communicated to the inner tube; a bottom of the inner tube being formed with an annular plug; the plug of the inner tube having a plurality of via holes with inclined inner walls; a top of the inner tube having a stop valve; the stop valve being a flat structure; a periphery of the stop valve being formed with an elastic structure; by the elastic deformation of the periphery of the stop valve, the stop valve will tightly adhere to an inner wall of the outer tube; an interior of the outer tube having a stepped structure with a larger size at an upper side and a smaller size at a lower side.

Abstract: A protective case for a multi-media device includes a transparent body and a supporting strip. The transparent body is composed of a main base, a decorative strip with colored streaks and a cover coated with a layer of pearl silver color. The supporting strip is threadably combined with the underside of the main base, made of an elastic steel plate wrapped around by a layer of soft rubber. The decorative strip and the cover are covered on the transparent body, with a multi-media device placed in the transparent body. Thus the decorative strip and the cover beautify the multi-media device with brilliance of the colored streaks and the pearl silver color.

Abstract: A liquid crystal display (LCD) has a novel diode substrate. With the substrate, heat is well dissipated. The substrate can be easily manufactured. And, thus, the cost for the LCD is reduced.

Abstract: A syringe with retractable needle includes a hub, a barrel, and a plunger. The hub is provided with symmetrical retaining sections, and a hooking section of a predetermined length is formed at a front end of the plunger with a piston mounted the hooking section. The piston includes a diametrically larger front part and a diametrically smaller and deformable rear part. A top surface of the piston is tightly abutted on a large lower surface of the hooking section to prevent any bubble from existing behind the hooking section. When the plunger is fully pushed forward to compress the smaller rear part of the piston, the hooking section is brought to engage with the retaining sections on the hub, so that medical liquid is fully released from the barrel, and the hub and the needle thereof can be drawn into the barrel after the injection by pulling the plunger backward.

Abstract: A pump with a pressure driving head comprises a retaining tube; the retaining tube having a receiving space; liquid can flow therein; a returning element being installed in the receiving space; a movable tube received in the receiving space of the retaining tube; a head extending from a top of the movable tube; the head having an outlet which is communicated to the movable tube; when a pressure is applied to the head, the movable tube will move axially in the retaining tube; and an isolation device tightly adhered upon an inner wall of the receiving space of the retaining tube; an air isolation chamber being formed by the isolation device and the movable tube; with the pressing affect of the movable tube, a part of liquid in the retaining tube will be stored in the air isolation chamber so as to be formed with an air isolation layer.

Abstract: An energy generation device for mobile carriers is disclosed. The mobile carrier moves in a fluid environment. The disclosed device contains a rotating mechanical unit, a power generation unit, and a power storage unit. The rotating mechanical unit is connected to the surface of the mobile carrier, and is exposed in the fluid environment for converting the fluid kinetic energy into rotational energy. In addition, the power generation unit converts the rotational energy into electrical energy, which is then stored in the power storage unit.

Abstract: An energy generation device for mobile carriers is disclosed. The mobile carrier moves in a fluid environment. The disclosed device contains a rotating mechanical unit, a power generation unit, and a power storage unit. The rotating mechanical unit is connected to the surface of the mobile carrier, and is exposed in the fluid environment for converting the fluid kinetic energy into rotational energy. In addition, the power generation unit converts the rotational energy into electrical energy, which is then stored in the power storage unit.