44results about How to "Restrictive" patented technology

The invention discloses a segmented rotor type magnetic flux switching motor with hybrid excitation and a magnetic adjustment method. The motor comprises a stator yoke, a permanent magnet, an exciting winding, an armature winding, a segmented rotor and a non-concentrating flux sleeve, wherein the stator yoke is of a 12-tooth structure and formed by arranging excitation teeth and armature teeth in a staggered mode; the permanent magnet is arranged in the excitation teeth, one surface of the permanent magnet is opposite to the rotor, and two sides of the permanent magnet are provided with concentrating flux bridges; the armature winding and the exciting winding are integrated windings and respectively wound on the excitation teeth and the armature teeth; the segmented rotor is arranged in the non-concentrating flux sleeve, thus the whole rotor forms a cylinder structure; the concentrating flux bridges at the two sides of the permanent magnet provide return circuits for electro-exciting magnetic fields generated by the exciting winding, thus permanent magnet magnetic fields are closed after passing through the permanent magnet, the stator yoke, air gaps and the segmented rotor in sequence, and electro-exciting magnetic fields are closed after passing through the stator yoke, the air gaps and the segmented stator; and a current of the exciting winding is adjusted to realize wide-range magnetic adjustment. The motor has the advantages of wider magnetic adjustment range, good fault-tolerant capability and small wind resistance and oil resistance and can be applied to the field of high-speed aviation.

The invention discloses a quantum point material structure. The structure comprises a gallium arsenide GaAs substrate (10) for supporting the whole quantum point material structure, an epitaxial layer structure growing on the GaAs substrate (10) and comprising buffer layers (11,12,13) and an InAs quantum point layer (14), wherein the buffer layer comprises a GaAs buffer layer (11), an InxGa(1-x)As order variable buffer layer (12) and an InyGa(1-y)As single component layer (13) which grows in order on the substrate; and the InAs quantum point layer (14) grows on the InyGa(1-y)As single component layer (13). The invention further discloses a growth method of the quantum point material structure. With the inventive method, the large-area quantum points with ordered distribution are prepared by using the simple preparation process, the process is simple without special treatment of the substrate before growth and is completely compatible with the molecular beam epitaxy process. Additionally, the method is suitable for the bulk production of self-organization ordered-arrangement quantum point array material, which is significant for the quantum point material to be applied to the future quantum devices.

The invention relates to an nfi-gene-knocked-out mutant strain of escherichia coli DH5 alpha as well as a preparation method and application thereof. As for the mutant strain DH5 alpha delta nfi, the conservation number is CGMCC No.4236. The preparation method of the mutant strain comprises the following steps: carrying out gene knockout on EndoV coded on chromosomes of an E.coli DH5 alpha strainby using a lambda homologous recombination technology; and determining that the obtained strain is a gene-knocked-out mutant strain through confirmation of electrophoresis and sequencing identification of polymerase chain reaction (PCR) products, and naming the obtained gene to be DH5 alpha delta nfi. In the invention, the mutant strain is taken as clone host bacteria, and shotgun sequencing splicing is carried out 'no-cloning fragments' of pseudomonas aeruginosa bacteriophage PaP1 genome difficult to detect by a shotgun method, thus, the 'no-cloning fragments' can be successfully obtained. The success shows that the mutant strain can be utilized to solve the problem that deoxyribonucleic acid (DNA) sequencing or / and cloning is / are difficult to realize by using the traditional shotgun method.

The present invention relates to a method for treating a methotrexate-resistant disorder in an individual, wherein the method comprises administering to the individual an effective amount of 10-propargyl-10-deazaaminopterin or its pharmaceutically acceptable salts.

Embodiments of the present invention generally include methods for forming semiconductor films having nominal I2-II-IV-VI4 stoichiometry, such as CZTS or CZTSSe, using a solution of including sources of the I, II, IV, and VI elements in a liquid solvent. Precursors may be mixed in the solvent to form the solution. Metal halide salts may be used as precursors in some examples. The solution may be coated onto a substrate and annealed to yield the semiconductor film. In some examples, the source of the 'I' and 'IV' elements may contain the elements in a +2 oxidation state, while the semiconductor film may contain the 'I' element in a +1 oxidation state and the 'IV' element in a +4 oxidation state. Examples may be used to provide I2-(II,IV)-IV-VI4 films.

The invention discloses an automatic peeling machine. The automatic peeling machine comprises a rack; a pushing head and a peeling tool are oppositely arranged on the rack; the peeling tool is sleevedwith a first material pushing plate; and the end face, located on one side of the peeling tool, of the pushing head is provided with a positioning convex part. The automatic peeling machine can provide a good peeling effect on proximate matter, is high in stability and good in production continuity, and improves the production capacity.

The invention discloses a prefabricated honeycomb blast wall and a construction method thereof, and belongs to the explosive blast resistance technology. The prefabricated honeycomb blast wall includes a honeycomb sandwich layer (3), panels (1) and a connecting element (4) and further includes sand (2), the honeycomb sandwich layer (3) is three-dimensional intensive honeycomb cells which are madeof metal or hard polymers, and the honeycomb cells are filled with the sand (2); and the upper surface and the lower surface of the honeycomb sandwich layer (3) are covered with the panels (1), and the panels (1) and the honeycomb sandwich layer (3) are combined and fixed through the connecting element (4). The construction method includes the steps of assembly or unfolding of the honeycomb sandwich layer, installation of the connecting element, filling of the sand and covering of another panel and assembly with the connecting element. The prefabricated honeycomb blast wall and the construction method thereof have the advantages that the deformation under the action of explosive shock waves is reduced, and the anti-shock capacity is improved.

The invention discloses a flat knitting machine surface cleaning device with a cleaning function, and relates to the technical field of flat knitting machines. the flat knitting machine surface cleaning device comprises a first U-shaped box, a second U-shaped box is fixedly connected with the top of the first U-shaped box, a fixing frame is fixedly connected with the top of the inner wall of the second U-shaped box, and a small motor is fixedly installed in the fixing frame. According to the flat knitting machine surface cleaning device with the cleaning function, a worker holds a handle by hand to control the moving tracks of the two pieces of water absorption sponge, and then the surface of a flat knitting machine is wiped for the first time when the water absorption sponge on the left side makes contact with the surface of the flat knitting machine; and after the water absorption sponge on the left side is used for wiping, the water absorption sponge on the right side conducts secondary wiping on the surface of the flat knitting machine, so that the wiping effect of the device is guaranteed, meanwhile, direct contact between workers and cleaning cloth is avoided, the problem that the hands are hurt by holding the cleaning cloth with hands is avoided, and under the auxiliary effect of four moving wheels, the device is convenient to move, labor-saving in use and convenient forthe workers to use.

A method and system for evaluating the operation of an alternator based on a frequency component in the alternator output signal. The method comprises detecting a frequency component of the alternator output signal, comparing the frequency component of the alternator output signal with a threshold frequency, and evaluating the operation of the alternator based on a result of the comparison. If the frequency component of the alternator output signal is lower than the threshold frequency, the alternator is determined as defective. The frequency component can be obtained by comparing the alternator output signal with an adaptive threshold. The adaptive threshold is generated based on the peak signal level and the valley signal level of the alternator output signal, such as the average of the peak signal level and valley signal level.

The invention provides a beam expanding device for a plane wave off-axis interferometer. The interferometer is arranged on an interferometer platform through a limiting mechanism. The beam expanding device comprises a supporting device, a primary mirror mechanism and a secondary mirror mechanism, wherein the primary mirror mechanism is arranged in the supporting device and is detachably connectedwith the supporting device; and the secondary mirror mechanism is arranged in the supporting device. According to the beam expanding device for the plane wave off-axis interferometer, generated large-aperture plane waves are free of aberration and blocking.

The invention discloses an electromagnetic suspension water-cooling copper crucible, and relates to the field of metal or alloy smelting equipment. The electromagnetic suspension water-cooling coppercrucible comprises a crucible body, an induction coil, a copper mold, a pressing plug and a rubber gasket, wherein the upper portion of the crucible body is surrounded by the induction coil, and the copper mold is arranged in a copper mold cavity and fixed with the pressing plug and the rubber gasket for preventing air leakage. According to the electromagnetic suspension water-cooling copper crucible, when metal or alloy is smelted, melt contamination can be avoided, so that high cleanliness of a melt is achieved; when the electromagnetic suspension water-cooling copper crucible is used for preparing specimens or bar materials, singleness of the cross sections of the specimens or bar materials can be avoided, the specimens or bar materials prepared through the electromagnetic suspension water-cooling copper crucible are small in crystal grain, and the mechanical property of the materials is improved.

The invention discloses an intelligent label pasting device for logistics packaging, and relates to the technical field of label pasting devices. The intelligent label pasting device comprises a supporting base. According to the intelligent label pasting device for logistics packaging, logistics boxes can be continuously transported through a first motor, a first belt wheel, a second belt wheel, atransmission roller and a crawler belt, the logistics boxes placed on the crawler belt can be supported in an assisted mode through an arranged stabilizing shaft, meanwhile, transportation of the logistics boxes on the crawler belt is not affected, the logistics boxes transported on the crawler belt can be detected at any time through an arranged detection unit, then the first motor is switched off through a PLC to stop transportation of the logistics boxes, meanwhile, a second motor and an electric push rod are started, labels are automatically pasted on the logistics boxes under the actionof a tooth-shaped strip, a gear, a first shaft, a rotating disc, a rotating piece, a connecting piece, an ejector block, a second shaft, a double-groove belt wheel, a third belt wheel, a fourth belt wheel, a label wheel and a label belt, and therefore, the use of manpower resources is reduced.

Ophthalmically acceptably wettable silicone hydrogel contact lenses are described. The lenses are derived from a polymerizable composition including a first siloxane monomer represented by formula (1): wherein m of formula (1) represents one integer from 3 to 10, n of formula (1) represents one integer from 1 to 10, R1 of formula (1) is an alkyl group having from 1 to 4 carbon atoms, and each R2 of formula (1) is independently either a hydrogen atom or a methyl group, the first siloxane monomer having a number average molecular weight of from 400 daltons to 700 daltons; and a second siloxane monomer having a number average molecular weight greater than 7,000 daltons; wherein a total amount of siloxane monomers present in the polymerizable composition is from 30 unit parts to 50 unit parts; the lenses also include units derived from at least one hydrophilic amide monomer having one N-vinyl group that is present in the polymerizable composition in an amount from 30 to 60 unit parts. The lenses have ophthalmically acceptably wettable lens surfaces when fully hydrated.

The disclosure relates to pharmaceutical combinations comprising antibodies against BST1 (ADP-ribosyl cyclase 2) together with a cytidine analogue or a pharmaceutically-acceptable salt thereof, and methods for the treatment of diseases, such as cancers mediated by BST1 (ADP-ribosyl cyclase 2) expression / activity and / or associated with abnormal expression / activity of BST1.

Methods and systems are provided for showing a cursor for user interaction on a display device. In the method, a reference position to be initialized at the end of a ray projection emitted from the user side is determined. A target location is determined that moves with a body part of a user. The target position is different from the reference position. A modified position is determined based on the reference position and the target position. The reference position, the target position and the modified position are located on the same plane parallel to the user side. The modified location is different from the target location. The modified position is used as the current position of the cursor. The modified position represents the position of the end of the ray projection currently emitted from the user side. Thus, the cursor may be stabilized in augmented reality.

The invention relates to the technical field of robots and particularly discloses an underwater robot positioning device. The underwater robot positioning device comprises a bracket supporting sleeveand a supporting frame, wherein a supporting plate is mounted on the top outer wall of the bracket through bolts; a motor and a shaft seat are mounted on the outer wall of the top of the supporting plate through bolts; the outer wall of one side of the shaft seat is rotationally connected with a rope roller through a bearing; blocking pieces are installed on the outer walls of the two sides of therope roller through screws; a top plate is installed on the outer wall of the top of the supporting frame through bolts; the outer wall of the top of the top plate is in threaded connection with fourfixing bolts; the four fixing bolts are sleeved with first springs; the fixing bolts are sleeved with ejecting blocks; and rope knots are welded to the outer walls of the tops of the ejecting blocks.The device has the beneficial effects that through the arrangement of the first spring and the top plate, when the device stretches and retracts to be close, the top plate is stressed, so that the spring is pulled upwards, the impact force generated when the device is pulled can be reduced, and the probability that the internal structure of the device is damaged due to the impact force is reduced.

Embodiments of the invention broadly include forming a semiconductor film (e.g., CZTS or CZTSSe) having a nominal I2-II-IV-VI4 stoichiometry from a solution comprising a source of the elements I, II, IV, and VI in a liquid solvent Methods. Precursors may be mixed in the solvent to form the solution. In some examples, metal halide salts can be used as precursors. The solution may be applied to a substrate and annealed to obtain the semiconductor film. In some examples, the source of the elements 'I' and 'IV' may contain the elements in the +2 oxidation state and the semiconductor film may contain the elements in the +1 oxidation state' I' and said element 'IV' in the oxidation state +4. Examples can be used to provide I2-(II, IV)-IV-VI4 membranes.

The invention relates to a powder flame spray gun nozzle, comprising an inner core and an outer casing made of red copper; a mix cavity is arranged between the inner core and the outer casing; a plurality of gas inlets are evenly distributed along the circumferential direction at the left end of the inner core; a power-feeding hole is arranged in the center of the inner core, the cross section ofthe power-feeding hole is formed by smoothly connecting the two symmetric convex arcs and two symmetric concave arcs, and the convex arc and the concave arc are tangent and the radius of the convex arcis smaller than that of the concave arc; a plurality of gas outlets that surround the power-feeding hole are arranged at the right end of the outer casing; and the connecting line of the centers ofan y gas outlets and the power-feeding hole and the connecting line of the center of two adjacent gas outlets and the center of the powder-feeding hole form two equal angles. The invention is the powder flame spray gun nozzle applicable to the spraying of the work pieces of slender rods, which sprays the powder on the cross section distributed approximately in the strip shape in the space. The efficiency of the overlay powder is enhanced and the manufacturing cost is reduced.

The invention provides Connect-four. The Connect-four comprises a body, chess pieces and a rack, wherein the rack is divided into a left rack and a right rack; the body is arranged between the left rack and the right rack, and is fixed by means of plug in; a chess inlet chamber is formed in the body, and seven chess inlets are formed in the upper end of the body; a display window is formed in the outer side of the chess inlet chamber; the chess pieces enter the chess inlet chamber through the chess inlets; the body comprises a first outer plate, a second outer plate, a third outer plate and a fourth outer plate; an upper chess inlet passage is formed by the first outer plate and the second outer plate through screw fixation, and a lower chess inlet passage is formed by the third outer plate and the fourth outer plate through screw fixation; and the upper chess inlet passage is arranged above the lower chess inlet passage and is communicated with the lower chess inlet passage. The Connect-four has the beneficial effects that: 1, the Connect-four has a simple structure and low manufacture cost; and 2, the structure mode has relatively strong entertainment, resetting is required if a user retracts a false move, and a relatively strong binding effect for game rules is achieved.

The invention discloses a body wash bag capable of being recycled. The body wash bag is divided into three areas, the three areas comprise the upper half area, the lower half area and the connecting area used for being connected with the upper half area and the lower half area, the upper half area comprises an upper half storage area, and the upper half storage area is provided with a circular ring for suspending and a self-sealing strip. The lower half area comprises a lower half storage area and a body wash outlet. The connecting area is a clamp, a gap and an extruding area are arranged at the upper end of the clamp, and the lower ends of two clamping arms of the clamp are provided with magnets respectively. The body wash bag can be recycled, the environment-friendly effect is achieved, the health of the old is concerned, the volume of the body wash used by the old every time is limited, the occupied space of the bag is not large, the bag can be directly hung on the wall, the body wash can be extruded without forceful extruding, and the bag is rapid and convenient to use.

The invention provides a test simulator of a conduit soil system. The test simulator comprises an external flow blocking module, a conduit simulation module, a soil simulation module, a bottom supportmodule and a measurement and analysis module. The external flow blocking module isolates internal machinery from the external flow field, and a conduit soil simulator is prevented from disturb the flow of the external flow field in the test process; the rigidity of a stretching spring in the soil simulation module is adjusted to simulate soil effects in different properties; a knob mounted in oneside of the soil simulation module is used to accurately adjust the pretension of the stretching spring, and a single-component force instrument is connected to measure the magnitude of the pretension; and the measurement and analysis module obtains data of a pulling force value in the two ends of the conduit. The test simulator is portable in structure, easy to dismount, convenient to adjust thepretension in the test process, accurate in measurement data, and capable of simulating the conduit soil system in the real marine environment.

The invention provides a motion sensing data generation method and a motion sensing data generation system. A motion sensing data generation system includes a motion sensing device and a processor. The processor analyzes whether a motion sensing device is detected in the first motion sensing data. The motion sensing device acts with a body part of a user, first motion sensing data is generated based on a first sensor, and the motion sensing device includes a second sensor different from the first sensor. The processor determines whether to generate second motion sensing data based on both the first sensor and the second sensor according to a result of the analysis. Accordingly, the content of motion sensing data may be enhanced by a plurality of sensors.

The invention provides a process for separating dimethyl carbonate from the mixture of dimethyl carbonate, methanol and water through the procedures of solvent extraction and distillation, wherein the solvent extraction and distillation are carried out in different equipments, and a liquid-liquid extraction system is formed from water and non-polar solvents. The process of the present invention has the advantages of easy operation, easy control, wide range of extraction operation, substantial effect of separation, and circulated use of solvents.

Sterile barriers and sensor configurations for a medical device are described. The sterile barrier isolates internal elements, such as a battery pack or a sensor set, from the environment and the patient.

The invention provides a behavior-based configuration method and a behavior-based configuration system. A processor of the behavior-based configuration system determines whether the motion sensing device is activated based on first motion sensing data from the motion sensing device, analyzes second motion sensing data in response to the motion sensing device being activated to determine which body part of the user acts with the motion sensing device, a first operation mode of a first human body part for acting together with the motion sensing device is configured based on an analysis result of the second motion sensing data in a first time period, and a second operation mode of a second human body part for acting with the motion sensing device is configured based on an analysis result of the second motion sensing data in a second time period. Accordingly, a user may conveniently use the motion sensing device.

The invention discloses a preloading method and system for multi-dimensional data of a space target, and relates to the field of data processing. The method comprises the steps that a space target data set of a target to be subjected to data analysis is input, N dimensions of the space target data set are selected and counted, a first statistical interval parameter of each dimension is set, and the space target data set is preloaded according to the N dimensions and the first statistical interval parameters. With the above scheme, multi-dimensional data analysis and dimension switching data analysis can be supported on the basis of one-time data loading.

The invention discloses a profile peeling device capable of feeding stably. The profile peeling device comprises a machine frame, a peeling area is arranged on the machine frame, a peeling cutter andan extrusion part are arranged in the peeling area, a feeding space is arranged between the peeling cutter and the extrusion part, and a positioning protruded part is arranged on the end face, on oneside of the peeling cutter, of the extrusion part. The profile peeling device can extrude aluminum bars stably, and the peeling quality is high.