Abstract: The present invention relates to a method and system for quantitatively evaluating surface roughness of an organic pore of kerogen in shale. The method includes: making a shale sample; applying a circle of silver-painted conductive tape on the edge of the shale sample to obtain a processed sample; conducting image scanning on the processed sample to obtain a scanned image; determining a kerogen area according to the scanned image; determining an organic pore area according to the kerogen area; carrying out gridding treatment on the organic pore area to obtain multiple grid cells; adopting double integral calculation on each of the grid cells to obtain the areas of the multiple grid cells; summing each of the areas to obtain the surface area of the organic pore; and evaluating surface roughness of the organic pore according to the surface area of the pore.

Abstract: A system for stereoscopic and real-time monitoring of an ocean methane profile includes a waterborne communication floating body, a gravity anchor, and a monitoring mechanism disposed therebetween, wherein the monitoring mechanism includes a submarine methane leakage intensity monitoring apparatus, a plurality of methane monitoring apparatus capable of synchronously monitoring methane content and a hydrodynamic environment, and a plastic-coated steel cable connected between the waterborne communication floating body and the gravity anchor; a data acquisition cabin is connected to the plastic-coated steel cable through a first communication module; and a first floating ball assembly is connected to the plastic-coated steel cable through a fixing rope. The submarine methane leakage intensity monitoring apparatus and the plurality of methane monitoring apparatus are disposed between the gravity anchor and the waterborne communication floating body at predetermined intervals.

Abstract: The present application discloses a long-term, in-situ sampling and analysis device for sediment pore water and a method thereof. The long-term in-situ sampling and analysis device for sediment pore water includes a bracket, a probe, an elevator, a diverting device, a first water storage device, and a second water storage device, a peristaltic pump, a dissolved gas of sediment pore water analysis device and an in-situ environment measurement device. The present application can collect and store the sediment pore water in an in-situ, long-term and time-phased manner, and in low measuring error level.

Abstract: A method for calibrating a working plane of a medical detection apparatus in parallel with a first reference plane is provided. The working plane has first and second points to be calibrated thereon. The first and second points are supporting points of first and second foots of the working plane respectively. The method includes receiving a first inclination angle value which is an angle between a line connecting the first and second points and the first reference plane; computing a vertical distance between the second point to be calibrated and the first reference plane as a first magnitude of adjustment according to a pre-stored distance between the first and second points and the first inclination angle value; and adjusting a height of the second foot according to the first magnitude of adjustment to allow the second point to be located on the first reference plane.

Abstract: The present application discloses a long-term, in-situ sampling and analysis device for sediment pore water and a method thereof. The long-term in-situ sampling and analysis device for sediment pore water includes a bracket, a probe, an elevator, a diverting device, a first water storage device, and a second water storage device, a peristaltic pump, a dissolved gas of sediment pore water analysis device and an in-situ environment measurement device. The present application can collect and store the sediment pore water in an in-situ, long-term and time-phased manner, and in low measuring error level.

Abstract: The present invention provides a method for calibrating a working plane of a medical detection apparatus, which is used for calibrating the working plane of the medical detection apparatus to be parallel with a first reference plane, wherein the working plane has a first point to be calibrated and a second point to be calibrated thereon, the first point to be calibrated is located on the first reference plane, and the first point to be calibrated and the second point to be calibrated are respectively supporting points of a first foot and a second foot for supporting the working plane on the working plane, the above method comprising: receiving at least one first inclination angle value from an angle measuring tool, wherein each first inclination angle value is an angle between a line connecting the first point to be calibrated and the second point to be calibrated and the first reference plane; computing a vertical distance between the second point to be calibrated and the first reference plane as a first mag

Abstract: An apparatus for driving and supporting cradle includes a table base and a cradle movable on the table base. The cradle includes an intermediate cradle moveable relative to the table base and an upper cradle moveable relative to the intermediate cradle. The table base is coupled to the intermediate cradle using a first rack and gear structure, and the intermediate cradle is coupled to the upper cradle using a second rack and gear structure.

Abstract: An apparatus for driving and supporting cradle includes a table base and a cradle movable on the table base. The cradle includes an intermediate cradle moveable relative to the table base and an upper cradle moveable relative to the intermediate cradle. The table base is coupled to the intermediate cradle using a first rack and gear structure, and the intermediate cradle is coupled to the upper cradle using a second rack and gear structure.