57results about How to "Avoid destabilization" patented technology

An ink jet head according to the present invention includes multiple discharge ports for discharging ink, multiple ink flow paths for communicating with the discharge ports, and heat generating elements for generating bubbles in ink filling the ink flow paths. For each ink flow path, two heat generating elements are arranged therein, and the discharge port is arranged along a line that is extended, from the center of a pressure generation region formed by the two heat generating elements, in the normal direction relative to the surface of the substrate. The arrangement pitch of the heat generating elements is equal to or greater than 600 dpi, and the interval dhn between a partition wall defining an ink flow path and the heat generating element adjacent to the partition wall is equal to or smaller than 4 μm.

Watercraft flooring including both inflatable and non-inflatable elements is detailed. Such flooring may be designed to support substantial loads while maintaining its lightweight nature and contributing to its longitudinal and lateral rigidity. Some versions of the flooring have an inflatable core with slats positioned both above the upper surface of the core and below the lower surface of the core at regular intervals along its length. The slats extend laterally across substantially the width of the core, effectively sandwiching portions of the core between them.

The invention discloses a preparation method for an electroactive polypyrrole film. The preparation method comprises the following steps of: preparing an aqueous solution of single pyrrole, an electrolyte solution and a protonic acid solution; secondly, mixing the three solutions; and obtaining a polypyrrole film electrode material on a conducting substrate by using a unipolar pulse electric polymerization. According to the preparation method disclosed by the invention, the operation is simple; products are easily obtained; no oxidant is needed; and the secondary pollution caused by the oxidant is avoided. The polypyrrole film electrode material prepared by the method in a neural solution has higher discharging stability.

The present invention provides compositions and methods useful for purifying recombinant myelin-associated glycoprotein (MAG) and fragments thereof. In particular, the invention provides a one-step purification method for MAG and MAG fragments. Novel forms of human recombinant MAG protein are also disclosed in addition to methods of reliably producing and storing stable recombinant MAG proteins.

The invention relates to the field of quantum dots and diffusion membranes and particularly relates to a fluorenyl-based conjugated microporous polymer diffusion particle for complexing quantum dots,a preparation method thereof, a quantum dot diffusion membrane and an application thereof. In order to solve the problem that inorganic quantum dots are exposed to air and can be easily oxidized to lose effects. The invention provides the fluorenyl-based conjugated microporous polymer diffusion particle for complexing quantum dots, the preparation method thereof, the quantum dot diffusion membraneand the application thereof. The fluorenyl-based conjugated microporous polymer is complexed with the quantum dot and the quantum dot is wrapped by the diffusion particle. Through complexing of the organic fluorene material and wrapping of the inorganic quantum dot, it is avoided that the inorganic quantum dot is exposed to air and can be easily oxidized to lose effects. The preparation method ofthe diffusion particle is simple, has strong controllability, is low in coat and fast realizes large-scale production and custom-level refinement application.

The invention discloses a knee joint rehabilitation physiotherapy device. The device comprises two knee protecting straps symmetrically arranged up and down, wherein two knee protecting devices are arranged on the knee protecting straps, the two knee protecting devices are symmetrical left and right, the knee protecting devices are used for providing supporting force for knees so as to protect knees, an auxiliary motion device is arranged on the knee protecting device, the auxiliary motion device helps a wearer to perform knee bending motion by providing auxiliary rotating motion, a muscle training device is arranged in a power cavity, the muscle training device is used for providing damping for the wearer to train muscles at a knee joint, a heating massage device used for carrying out vibration massage on the knee joint of the wearer is arranged in the power cavity, and the wearer can adjust supporting force of the auxiliary motion device on the knee joint so as to reduce the supporting force on the knee joint along with recovery of the knee joint of the wearer, thereby effectively reducing atrophy of muscles of the knee joint. Therefore, the device can avoid a problem of reducedstability of the knee joint caused by long-term wearing of a knee pad.

An method for producing an electrophotographic proreceptor includes a first coating step of applying a coating liquid containing a sublimable antioxidant and a photoconductive substance, onto a conductive substrate to form a first coating film thereon, a first drying step of drying the formed first coating film by heating to form a first photosensitive layer, a second coating step of applying the coating liquid used in the first coating step, onto the first photosensitive layer to form a second coating film, and a second drying step of drying the formed second coating film by heating to form a second photosensitive layer. In the second drying step, the drying condition is made to differ from the drying condition in the first drying step so that a degree of sublimation of the antioxidant in the second drying step is lower than that of sublimation of the antioxidant in the first drying step.

The invention relates to land ecological management, in particular to an ecological management method in land renovation engineering of Qinba mountainous regions, and aims to solve the technical problems that land in the Qinba mountainous regions is serious in water loss and soil erosion and existing terrace ridge-protection modes are too high in cost. The method includes following steps: 1) digging a counter-slope terrace face; 2), building a drainage channel and an impounding reservoir; 3), building a slope protection wall and arranging a drainage pipe: 3.1), sealing ecological bags after being filled with a matrix material mixed with grass seeds; 3.2), piling up a layer of stone at a slope foot; 3.3), transversely piling up the ecological bags from bottom to top above the stone along the slope surface of a side slope, and arranging a drainage pipe; 3.4), using connecting buckles to connect and fix the ecological bags in up-down adjacency; 3.5), coping to form the slope protection wall; 4), maintaining and growing grass on the slope protection wall. The method effectively solves the problem that the land in the Qinba mountainous regions is serious in water loss and soil erosion,and is low in cost.

The invention provides a magnetic suspension bearing assembly, a motor and a compressor. The magnetic suspension bearing assembly comprises: a shell iron core provided with a rotating shaft; an axial stator assembly which is arranged in the shell iron core along the peripheral side of the thrust disc of the rotating shaft; a first stator assembly which is arranged on the shell iron core and located on the first side of the axial stator assembly; and a second stator assembly which is arranged in the shell iron core and located on the second side of the axial stator assembly, wherein the second stator assembly and the first stator assembly are oppositely arranged, the first stator assembly and the second stator assembly are used for generating independent radial control magnetic fields, and the axial stator assembly is used for generating a control magnetic field in the axial direction of the rotating shaft. The magnetic suspension bearing assembly adopting the structure is compact in structure, capable of effectively shortening the axial length of magnetic suspension, simple in structure and good in stability.

The invention discloses a system capable of facilitating illumination and ventilation of a door leaf. The system comprises the door leaf, baffles and screws I, and ventilation hole sets are arranged on the door leaf. The door leaf is hollow, an inner cavity formed by the hollow portion communicates with the ventilation hole sets, and the baffles are parallel to the door leaf and located in the inner cavity. Threaded holes I are formed in the ends, close to the ground, of the baffles and matched with the screws I, and one ends of the screws I penetrate through the threaded holes I and then are connected with motors. The screws I are rotated, and the baffles move in the inner cavity so that the ventilation hole sets can be blocked. When ventilation and light transmittance are needed, the screws I are rotated to drive the baffles to move so that air and light rays can pass through the ventilation hole sets; and when ventilation and light transmittance are not needed, the screws I are rotated to drive the baffles to move so as to block the ventilation hole sets through the baffles. In this way, privacy can be protected when ventilation and light transmittance are needed, external sight lines can be completely obstructed when ventilation and light transmittance are not needed, and a whole door does not need to be opened for ventilation and light transmittance.

The invention discloses a communication tower, and relates to the technical field of communication equipment. The communication tower comprises a communication tower main body, wherein the communication tower main body is provided with an arc-shaped through groove, the arc-shaped through groove is provided with a window, an I-shaped baffle plate and an inverted L-shaped baffle plate are arranged in the window, and a first supporting plate and a second supporting plate are respectively arranged on the left side of the I-shaped baffle plate and the right side of the inverted L-shaped baffle plate; a lifting rod is arranged on the left side of the arc-shaped through groove, a horizontal rod, an arc-shaped rod and an ejector rod are arranged on the lifting rod, a crawling ladder rod is arranged on the right side of the arc-shaped through groove, connecting bases are arranged at an upper end and a lower end of the crawling ladder rod respectively and slidably connected with sliding rails; ahorizontal crawling ladder is arranged on the left side of the crawling ladder rod; a driving motor is arranged in the communication tower main body, an output end of the driving motor is connected with a threaded rod, the threaded rod is sleeved with a threaded block and an adjusting gear, and the adjusting gear is matched with a rack vertically arranged at the bottom of the lifting rod. The crawling ladder is arranged in a tower body, the service life of the crawling ladder is prolonged, firmness reduction is avoided, and safety is improved.

A motor control device is equipped with a command receiving unit adapted to receive movement commands and first control periods of the movement commands from each of a plurality of numerical controllers, a command generating unit which, on the basis of the plurality of first control periods and a plurality of second control periods in accordance with each of the plurality of first control periods, is adapted to generate movement commands of the plurality of second control periods from the movement commands of the plurality of first control periods, and a motor control unit adapted to control a motor in accordance with the plurality of movement commands generated by the command generating unit.

The invention discloses a device and method for achieving burning of multiple FPGAs based on a CPLD chip, the device comprises a JTAG connector and the CPLD chip, the JTAG connector is connected with an upper computer, the CPLD chip is connected with the JTAG connector and FPGA chips to be burnt, the CPLD chip is provided with a plurality of selection signal input interfaces, each selection signal input interface corresponds to one FPGA chip, and the selection signal input interfaces are connected with the JTAG connector and the FPGA chips to be burnt. And the CPLD chip controls the corresponding FPGA chip to be communicated with the JTAG connector according to a selection signal input by the selection signal input interface so as to burn the configuration file in the upper computer into the corresponding FPGA chip. The signal integrity can be ensured when the FPGA chip is burnt, meanwhile, damage and misoperation of the FPGA chip are avoided, and the burning stability is improved.