40 results about "Outer nuclear layer" patented technology

The invention belongs to the technical field of a lithium ion powder battery, and especially relates to an anode material of a lithium ion power battery. The anode material comprises a nuclear layer and a shell layer, wherein the material of the nuclear layer is LiNi1-x-yCoxMnyO2; the material of the shell layer is LiVFe(PO4)2 and/or LiFePO4; the material of the shell layer covers the outer surface of the material of the nuclear layer; the mass percent of the material of the shell layer is 5-30%; and the grain size of the material of the shell layer is 50-1000nm. Compared with the prior art, not only can the anode material of the lithium ion power battery provided by the invention be used for avoiding the potential safety hazards in the material of the shell layer, so as to improve the security property of the power battery, but also the nanoscale material of the shell layer can be filled in gaps of the material of the nuclear layer with large particles, so that the energy density of the power battery using the anode material can be ensured. Meanwhile, the influence of the material of the shell layer on the conductivity of the anode material can be greatly reduced due to non-uniform coating, so that the higher power can be ensured.

The invention discloses a single mode optical fiber with ultralow loss and a large effective area and a manufacturing method thereof. A bare optical fiber of the single mode optical fiber comprises acore layer and a cladding layer from inside to outside in sequence, the core layer comprises an inner core layer and an outer core layer which are arranged from inside to outside in sequence, the radius R1 of the inner core layer is 1.5-3 microns, the relative refractive index difference delta 1 of the inner core layer is greater than or equal to 0.01% and less than or equal to 0, the radius R2 ofthe outer core layer is 5-6 microns, and the relative refractive index difference delta 2 of the outer core layer is greater than or equal to 0 and less than or equal to 0.05%. The core layer is hardly doped with germanium and is a silicon glass layer doped with fluorine and an alkali metal oxide; the cladding layer includes a depressed cladding layer and an outer cladding layer which are arranged from inside to outside in sequence, the radius R3 of the depressed cladding layer is 40-50 microns, the relative refractive index difference delta 3 of the depressed cladding layer is greater than or equal to -0.25% and less than or equal to -0.15%, the ratio R3/R2 of the radius R3 of the depressed cladding layer to the radius R2 of the outer core layer is greater than or equal to 8, the radiusR4 of the outer cladding layer is 62.5 microns, and the outer cladding layer is a pure silica glass layer. According to the single mode optical fiber with ultralow loss and the large effective area and the manufacturing method thereof, attenuation coefficients can be reduced, and the effective area is increased.

A golf ball comprising: an inner core formed from a first substantially homogenous rubber composition comprising a carbon-carbon initiator, the inner core having a geometric center and a first outer surface having a hardness less than that of the geometric center by up to about 20 Shore C; an outer core layer disposed about the inner core formed from a second substantially homogenous rubber composition and comprising a second outer surface having a hardness that is up to about 43 Shore C points greater than the hardness of the geometric center; an inner cover layer disposed about the core comprising an ionomeric material and having a material hardness of about 55 Shore D or greater; an outer cover layer disposed about the inner cover layer comprising a polyurea or polyurethane and having a material hardness of 20 Shore D to 70 Shore D.

Provided is a vertical pneumatic fender capable of handling a sudden increase in berthing energy. A heavy bob (11) is connected to a lower mirror (3), a prescribed amount of ballast water (W) is contained in an interior space, a trunk part (2) is configured with a plurality of reinforcing layers (5) laminated between an inner rubber layer (4) and an outer rubber layer (7), cords (6a, 6b) of laminated and vertically adjacent reinforcing layers (5) intersect each other and are disposed at a prescribed cord angle (A) in relation to the axial direction of a cylinder, an intermediate rubber layer (8) is interposed between each two reinforcing layers (5), and the cord angle (A) is set at 15-45° in a neutral state, whereby when additional air (a) is injected into the interior space of the fender (1) from an air injection apparatus (12) through an injection tube (12a), the cord angle (A) increases to an angle of repose while the intermediate rubber layer (8) undergoes shearing deformation, the trunk part (2) enlarges and expands, and the energy absorption capability of the fender (1) rapidly increases.

The invention discloses a coaxial cable. The coaxial cable comprises a conductive body, a foamed insulating layer, an outer conductor layer, a fiber sleeve and an insulating layer which are arranged from inside to outside in sequence, wherein the fiber sleeve is provided with a framework with frame holes; the framework is made from second fibers in a fusing manner; the framework is fixedly connected with the outer conductor layer and the insulating layer; first fibers are alternately inserted in the frame holes; and the first fibers are connected mutually to form a net shape. The coaxial cable provided by the invention adopts the framework structure made from the second fibers, and the fiber sleeve woven by the first fibers woven with metal wires, so that the coaxial cable is simple in structure, good in shock absorption effect, and relatively high in bending and stretching resistance; due to the fiber material, the metal wires can be woven conveniently, so that the coaxial cable protective layer has a relatively good shielding effect, the cost of the overall cable is relatively low, the weight of the cable is relatively low, and the cable obtains a higher economic effect; and due to the fiber material, the chemical performances of the coaxial cable protection layer can be expanded and improved conveniently.

The invention provides a wave water magnetic massage armchair, comprising a seat and a chair back which are hinged. The front part of the chair back is designed with a water module. The back part of the chair back is designed with a motion module. The periphery of the water module is designed with a square frame. The front end and the rear end of the frame are connected with elastic outer leather layers in a sealed manner. A cavity formed by the frame and the outer leather layers is divided into independent cavities through intermediate separating skins from top to bottom. The independent cavities respectively internally hold liquid water. The motion module comprises a rail on the back part of the water module. The rail is internally slidably assembled with a motion roller which can move front and back abutting with the back part of the water module. In a use process of the massage armchair, wave-like advance process occurs on the upper part of the water module, so as to massage a user in a wave form.

The invention relates to a composite leather fabric reducing outward heat escape. The composite leather fabric sequentially comprises an inner leather layer (1), a first ventilating layer (2), a supporting layer (3), a second ventilating layer (4) and an outer leather layer (5). A lining textile fabric is arranged on the inner leather layer and at least comprises a temperature adjusting fabric layer and a heat resisting layer, the material of the temperature adjusting fabric layer has moisture absorbing and heat emitting characteristics, the moisture regain difference of the textile fabric at the relative humidity of 90% and 40% is 1-8%, and the heat resisting layer is adjacent to the outer side face of the temperature adjusting fabric layer. It is ensured that the inner and outer leather surfaces are cleaned, and outward heat escape can be reduced.

The invention relates to the technical field of stem cells, and especially relates to a method and kit for identifying retinal progenitor cells capable of treating retinal degenerative change. The method comprises the following steps: culturing retinal progenitor cells to the logarithmic phase, and carrying out flow cytometry identification, wherein the retinal progenitor cells that meet the identification standards are capable of treating retinal degenerative change. The retinal progenitor cells identified by the provided method can maintain a good proliferation performance and stem cell characteristics and have a good curative effect when being applied to the treatment on retinal degenerative change. The experiment results show that after the retinal progenitor cells identified by the provided method are injected into the vitreous body cavities of RCS mice, the retinal outer nuclear layer cells are protected; the multifocal visual electrophysiology examination results show that the change of potential transmitted by retinal photoreceptor cells of the cell injection group is more prominent than the group, which is only injected with a HBSS buffer solution. The water maze experiment results also show that after injection, the visual performance of mice is improved.

To achieve a single layer core that has a shallow hard-to-soft (positive) hardness gradient, from the surface to the center. A golf ball including an inner core having a geometric center and a first outer surface, the inner core being formed from a first substantially homogenous rubber composition, and an outer core layer formed from a second substantially homogenous rubber composition, the outer core layer having a second outer surface. An inner cover layer is formed over the core and includes an ionomeric material. An outer cover layer is formed over the inner cover layer and includes a castable polyurea or a castable polyurethane. The first outer surface has a hardness of up to about 20 Shore C less than a hardness at the geometric center to define a negative hardness gradient inner core and the second outer surface has a hardness of up to 18 Shore C greater than the geometric center hardness to define a positive gradient outer core layer and a shallow positive hardness gradient core.

The invention relates to a composite leather fabric with high aesthetic feeling. It comprises an inner skin layer (1), a first air-permeable layer (2), a support layer (3), a second air-permeable layer (4) and an outer skin layer (5) in sequence. The back of the inner cortex is provided with a lining fabric layer, and the lining fabric layer is a kind of spider web fabric, including an inner ring, a rib line, and a ring line. There are three or more rib lines, one end of which is evenly fixed on the On the inner ring, the other ends of the ribs are evenly distributed radially outside the inner ring, and the loops are spirally wound with the ribs from the inner ring outwards. The invention ensures that the inner and outer surfaces of the cortex are clean. The present invention can have higher aesthetic feeling.

The invention discloses a shell-core structure degradable stent and a preparation method thereof. The stent is tubular in structure and comprises a tent body; the stent body has a skeleton and a hollow structure formed in the skeleton. The skeleton comprises an inner shell layer having a hollow tubular shape; a hollow tubular intermediate core layer coated outside the inner shell layer, the intermediate core layer comprising an outer core layer and a core layer of a network structure coated inside the outer core layer; and a hollowed-out tubular outer shell layer coated outside the intermediate core layer; the inner core layer is a polymer polylactic acid having a molecular weight of 700-800 kDa and the outer core layer is a high molecular polylactic acid having a molecular weight of 200-300 kDa. The shell-core structure degradable stent is convenient for spraying and sacculus clamping processing, and no stent wire breakage occurs during and after the processing, which greatly reducesthe processing difficulty and the risk of stent breakage under the condition of ensuring good degradability of the degradable stents.

The invention belongs to the technical field of medical treatment, and discloses a medical dental model tray suitable for alveolar bone hyperplasia. The medical dental model tray includes a tray mainbody with a handle, the tray main body is composed of an arc-shaped bottom plate which is matched with an alveolar bone, a front guard plate arranged at the front outer edge of the bottom plate, and aback guard plate arranged at the rear outer edge of the bottom plate; the top center of the front guard plate is provided with an embedded groove, and the top of the front guard plate is provided with glue injecting surfaces at the two sides of the embedded groove, and glue injecting grooves are formed in the inner and outer side surfaces of the upper part of the front guard plate; the embedded groove is provided with an embedded body, and the tops of the front guard plate and the back guard plate are provided with flexible guard plates which are divided into outer guard layers arranged on the outer side face of the embedded body and inner guard layers arranged on the inner side face of the embedded body. According to the medical dental model tray, the pain caused by the front guard plateor the back guard plate pressing an alveolar bone hyperplasia area when making a dentition impression model is avoided.

The invention discloses an automatic stirring water cup, which comprises: a cup body, the cup body includes a cup inner layer and a cup outer layer; a monitoring unit, the monitoring unit is arranged between the cup inner layer and the cup outer layer, and is close to the cup Cover; the cup cover, the cup cover includes the inner layer of the cup cover and the outer layer of the cup cover, the outer layer of the cup cover is rotatably connected with the outer layer of the cup cover, and a stirring hole is arranged in the center of the cup cover; a stirring rod, the stirring rod is arranged in the stirring hole; the motor, The motor is arranged between the inner layer of the cup cover and the outer layer of the cup cover, and is connected to the stirring rod; the battery is arranged between the outer layer of the cup cover and the inner layer of the cup cover, and is used for powering the monitoring unit and the motor. Its advantages are: the monitoring unit is set to the raw material, that is, the automatic stirring function is turned on, so that the stirring speed is uniform and fast, and the melting of the raw material is more uniform and rapid.