42results about How to "Prevent blur" patented technology

The invention discloses an improved Bayes non-local mean filter used in a synthetic aperture radar (SAR) image de-speckling method, which belongs to the technical field of image processing and mainly overcomes the problems of compressed brightness of strong reflection targets such as points, edges and the like and unsatisfied mean maintenance and the like in a de-speckling result of the original Bayes non-local mean filter. The method is implemented by the following steps: (1) performing mean pre-evaluation on an input SAR image v to obtain a pre-evaluated mean matrix u; (2) pre-selecting blocks in a search area at the xi position of a pixel point in the input SAR image, and marking the result as a block set delta 0; (3) pre-selecting points on elements in the block set delta 0, and marking the result as a point set delta; and (4) adopting the Bayes non-local mean filter on each pixel point in the input SAR image to obtain de-speckling image by using the mean matrix u and the point set delta. The method can realize mean and texture maintenance, better keep the brightness of strong reflection targets such as points, edges and the like and is favorable to point target and edge detection.

The invention relates to a three-dimensional soft and high-fitting-degree humidifying gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) is a gauze layer (1.1); a supporting cover (3) is arranged in the middle of the gauze mask main body (1); the supporting cover (3) is matched with a nose in shape; and a fitting edge (4) is arranged on the periphery of the gauze mask main body (1). According to the three-dimensional soft and high-fitting-degree humidifying gauze mask provided by the invention, the gauze mask main body, which comprises one layer, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask main body is capable of filtering dust and bacteria in air; and the gauze mask main body, which is closely combined with the profile of the nose and a face, can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to halitus from a mouth.

The invention relates to a three-dimensional high-fitting-degree humidifying thickened gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1) and a cotton cloth layer (1.2) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); the supporting cover (3) is matched with a nose in shape; and a fitting edge (4) is arranged on the periphery of the gauze mask main body (1). According to the three-dimensional high-fitting-degree humidifying thickened gauze mask provided by the invention, the gauze mask main body, which comprises two layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask main body is capable of filtering dust and bacteria in air; and the gauze mask main body, which is closely combined with the profile of the nose and a face, can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to vapor from a mouth.

The invention relates to a humidification high-fitness three-dimensional antimicrobial mask which comprises a mask body (1). The left and right sides of the mask body (1) are provided with hanging ribbons (2). The mask body (1) comprises a gauze layer (1.1) and an antimicrobial fiber cloth layer (1.2) which are sequentially arranged from interior to exterior. A supporting cover (3) is arranged in the middle of the mask body (1) and matched with the tip of the nose in shape. A fitting edge (4) is arranged on the periphery of the mask body (1). According to the humidification high-fitness three-dimensional antimicrobial mask, the mask body comprises the two-layer structures and is good in breathability and hygroscopicity, and the mask can filter away dust and bacteria in air; the mask body is tightly combined with the face and the contour of the tip of the nose, external viruses and bacteria are effectively isolated from the face, and meanwhile the phenomenon that spectacle lenses of a doctor are fogged by water vapor in the mouth can be avoided.

Humidification high degree of joint three-dimensional filtering mask, the invention relates to humidification high degree of joint three-dimensional filtering mask, which comprises a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise the gauze lay(1,1) and the humidification lay(1.2) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape, the bending edge is set outside of the mask body (1). The mask body comprises the two layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the outside virus and bacteria are effectively isolated and the water vapor in mouth from blurring the doctor's lenses can be prevented.

The invention relates to a humidification high-fit-degree three-dimensional filtering mouth mask. The mouth mask comprises a mouth mask body (1), and hanging belts (2) are arranged on the left and right sides of the mouth mask body (1). The mouth mask body (1) comprises a gauze layer (1.1) and a filtering layer (1.2) from inside to outside in sequence, a support cover (3) is arranged in the middle of the mouth mask body (1), and the shape of the support cover (3) is matched with the shape of the nose. A fit edge (4) is arranged on the periphery of the mouth mask body (1). The mouth mask body of the humidification high-fit-degree three-dimensional filtering mouth mask comprises the two layers of structures, is good in air permeability and moisture absorption, and can filter away dust and bacteria in air. The mouth mask body is tightly combined with the outline of the nose and the face, effectively isolates outside viruses and bacteria, and meanwhile can prevent lenses of a doctor from being blurred by water vapor in the mouth.

The invention relates to a three-dimensional humidifying and moisture-absorbing thickened gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1), a moisture-absorbing layer (1.2) and a cotton cloth layer (1.3) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); and the supporting cover (3) is matched with a nose in shape. According to the three-dimensional humidifying and moisture-absorbing thickened gauze mask provided by the invention, the gauze mask main body, which comprises three layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask main body is capable of filtering dust and bacteria in air; and the gauze mask main body, which is closely combined with the profile of the nose and a face, can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to halitus from a mouth.

The invention relates to a humidification three-dimensional moisture absorption filtering mask which comprises a mask body (1). The left and right sides of the mask body (1) are provided with hanging ribbons (2). The mask body (1) comprises a gauze layer (1.1), a moisture absorption layer (1.2) and a filtering layer (1.3) which are sequentially arranged from interior to exterior. A supporting cover (3) is arranged in the middle of the mask body (1) and matched with the tip of the nose in shape. According to the humidification three-dimensional moisture absorption filtering mask, the mask body comprises the three-layer structures and is good in breathability and hygroscopicity, and the mask can filter away dust and bacteria in air; the mask body is tightly combined with the face and the contour of the tip of the nose, external viruses and bacteria are effectively isolated from the face, and meanwhile the phenomenon that spectacle lenses of a doctor are fogged by water vapor in the mouth can be avoided.

The invention relates to a three-dimensional hygroscopic soft adsorption mask which comprises a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise a gauze lay(1,1),a absorption layer(1.2) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape. The invention is three-dimensional hygroscopic soft adsorption mask. The mask body comprises the two layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the outside virus and bacteria are effectively isolated, the water vapor in mouth from blurring the doctor's lenses can be prevented.

The invention relates to a high-fitness three-dimensional moisture-absorption mouth mask. The mouth mask comprises a mouth mask body (1), hanging belts (2) are arranged on the left side and the right side of the mouth mask body (1), the mouth mask body (1) comprises a gauze layer (1.1) and a moisture-absorption layer (1.2) which are sequentially arranged from inside to outside, the middle of the mouth mask body (1) is provided with a supporting cover (3), the shape of the supporting cover (3) is matched with that of the tip of the nose, and an attaching edge (4) is arranged on the periphery of the mouth mask body (1). According to the high-fitness three-dimensional moisture-absorption mouth mask, the mouth mask body comprises two layers of structures, and the mouth mask is good in air permeability and moisture absorption and further capable of filtering away dust and bacteria in air; the mouth mask body is closely attached to the outline of the tip of the nose and the face, outside viruses and bacteria are effectively isolated, and lenses of a doctor can be prevented from being dimmed by vapor in the mouth.

The invention relates to a humidifying three-dimensional hygroscopic, antibacterial and filtering thickened mouth mask. The mouth mask comprises a mouth mask body (1), and hanging belts (2) are arranged on the left and right sides of the mouth mask body (1). The mouth mask body (1) comprises a gauze layer (1.1), a moisture absorbing layer (1.2), an antibacterial fiber cloth layer (1.3), a filtering layer (1.4) and a cotton cloth layer (1.2) from inside to outside in sequence, a support cover (3) is arranged in the middle of the mouth mask body (1), and the shape of the support cover (3) is matched with the shape of the nose. The mouth mask body of the humidifying three-dimensional hygroscopic, antibacterial and filtering thickened mouth mask comprises the five layers of structures, is good in air permeability and moisture absorption, and can also filter away dust and bacteria in air. The mouth mask body is tightly combined with the outline of the nose and the face, effectively isolates outside viruses and bacteria, and meanwhile can prevent lenses of a doctor from being blurred by water vapor in the mouth.

The invention relates to a humidifying stereoscopic hygroscopic antibacterial mask. The humidifying stereoscopic hygroscopic antibacterial mask The humidifying stereoscopic hygroscopic antibacterial mask comprises a mask body (1), the left side and the right side of the mask body (1) are provided with hanging straps (2), the mask body (1) comprises a gauze layer (1.1), a hygroscopic layer (1.2) and an antibacterial fiber cloth layer (1.3) arranged from inside to outside in sequence, and the shape of the support mask (3) is coordinated with the shape of the apex of the nose. According to the humidifying high fitting degree antibacterial mask, the mask body comprises a three-layer structure, the breathability and the hygroscopicity of the mask are good, and the mask can filter out dust and bacteria in air; the mask body is tightly fitted with the outline of the apex of the nose and the face, effectively isolates external viruses and bacteria, and keeps water vapor in the mouth from obscuring glasses of a doctor at the same time.

The invention relates to a soft high degree of joint three-dimensional filtering thickening mask which comprises a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise a gauze lay(1,1), a filtering lay(1.2) and a cotton clothing lay(1.3) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape, the bending edge(4) is set outside of the mask body (1). The invention is the soft high degree of joint three-dimensional filtering thickening mask The mask body comprises the three layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the outside virus and bacteria are effectively isolated, the water vapor in mouth from blurring the doctor's lenses can be prevented.

The invention relates to a strong-softness antibacterial pure cotton gauze mask. The gauze mask comprises a gauze mask body (1), the left side and right side of the gauze mask body (1) are provided with hanging belts (2), the gauze mask body (1) includes a gauze layer (1.1), an antibacterial fiber cloth layer (1.2) and a cotton cloth layer (1.3), the gauze layer (1.1), the antibacterial fiber cloth layer (1.2) and the cotton cloth layer (1.3) are arranged in sequence from inside to outside, the middle of the gauze mask body (1) is provided with a supporting cover (3) which is matched with the apex of the nose in shape, and the periphery of the gauze mask body (1) is provided with an attaching edge (4). According to the strong-softness antibacterial pure cotton gauze mask, the gauze mask body includes three layers of structures and is good in air permeability and moisture absorption and capable of filtering away dust and bacteria in air; the gauze mask body is tightly combined with a nose apex contour and the face and effectively isolates external viruses and bacteria, and meanwhile lenses of doctors are prevented from being blurred by moisture in the mouth.

The invention relates to a three-dimensional humidifying and bacterium-resisting thickened gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1), a moisture-absorbing layer (1.2), an antibacterial fiber cloth layer (1.3), a filtering layer (1.4) and a cotton cloth layer (1.5) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); and the supporting cover (3) is matched with a nose in shape. The three-dimensional humidifying and bacterium-resisting thickened gauze mask provided by the invention, of which the gauze mask main body comprises three layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask is capable of filtering dust and bacteria in air; and since the gauze mask main body is closely combined with the profile of the nose and a face, the gauze mask can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to vapor from a mouth.

The invention relates to a high-fitting-degree three-dimensional antibacterial, filtering and thickened mouth mask. The mouth mask comprises a mouth mask body (1), hanging belts (2) are arranged on the left side and the right side of the mouth mask body (1), the mouth mask body (1) comprises a gauze layer (1.1), an antibacterial fiber cloth layer (1.2), a filtering layer (1.3) and a cotton cloth layer (1.4) which are sequentially arranged from inside to outside, a supporting cover (3) is arranged in the middle of the mouth mask body (1), the shape of the supporting cover (3) is matched with that of the tip of the nose, and the periphery of the mouth mask body (1) is provided with a fitting edge (4). The mouth mask body of the high-fitting-degree three-dimensional antibacterial, filtering and thickened mouth mask comprises four layers of structures, and the mouth mask is good in air permeability and moisture absorption and can filter away dust and bacteria in air; the mouth mask body is closely attached to the outline of the tip of the nose and the face, outside viruses and bacteria are effectively isolated, and lenses of a doctor can be prevented from being dimmed by vapor in the mouth.

The invention relates to a three-dimensional filtering hygroscopic antibacterial mask which comprises a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise a gauze lay(1,1), an antibacterial fiber clothing lay(1.2) a filtering layer (1.3) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape. The invention is three-dimensional filtering hygroscopic thickening mask. The mask body comprises the three layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the outside virus and bacteria are effectively isolated, the water vapor in mouth from blurring the doctor's lenses can be prevented.

The invention relates to a humidifying and three-dimensional thickened mask. The humidifying and three-dimensional thickened mask comprises a mask body (1) and is characterized in that straps (2) are arranged on the left and right sides of the mask body (1), the mask body (1) comprises a gauze layer (1.1) and a cotton cloth layer (1.2) which are sequentially arranged from inside to outside, a support cover (3) is arranged in the middle of the mask body (1), and the shape of the support cover (3) is matched with the shape of the tip of the nose. The humidifying and three-dimensional thickened mask has the advantages that the two-layered mask body is good in breathability and moisture absorption performance and capable of filtering dust and bacteria in the air; the mask body can be tightly combined with the tip of the nose and the face, external viruses and bacteria are effectively isolated, and the lenses of a doctor can be prevented from being obscured by water vapor in the mouth.

The invention relates to a three-dimensional high-fitting-degree moisture-absorbing and filtering gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1), a moisture-absorbing layer (1.2) and a filtering layer (1.3) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); the supporting cover (3) is matched with a nose in shape; and a fitting edge (4) is arranged on the periphery of the gauze mask main body (1). The three-dimensional high-fitting-degree moisture-absorbing and filtering gauze mask provided by the invention, of which the gauze mask main body comprises three layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask is capable of filtering dust and bacteria in air; and since the gauze mask main body is closely combined with the profile of the nose and a face, the gauze mask can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to vapor from a mouth.

The invention relates to a soft three-dimensional filtering hygroscopic antibacterial mask which comprise a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise a gauze lay(1,1), a filtering lay(1.2) and an antibacterial fiber clothing layer (1.3) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape. The invention is the soft three-dimensional filtering hygroscopic antibacterial mask. The mask body comprises the three layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the water vapor in mouth from blurring the doctor's lenses can be prevented.

The invention relates to a high joint degree three-dimensional hygroscopic and antimicrobial mask. The mask comprises a mask body (1), and both right and left sides of the mask body(1) are each provided with hang belts (2), and the mask body (1) comprises a gauze layer(1.1), a cotton cloth layer(1.2) and an antibacterial fiber layer(1.3) in sequence from the inside to the outside; A support cover(3) is placed in the middle of the mask body(1), and the shape of the support cover(3) matches with the shape of a nose; Joint edges(4) are arranged around the periphery of the mask body(1). The mask body of the high joint-degree three-dimensional hygroscopic and antimicrobial mask has three layers of structure, which has good air permeability and hygroscopicity, and the mask can also filter the dusts and bacteria in the air; The mask body is tightly coupled with the contour of the nose and face, effectively isolating the viruses and bacteria from the outside world, and preventing the water vapor in the mouth from fuzzing up the eyeglasses of the doctor at the same time.

The invention relates to a three-dimensional soft bacterium-resisting and filtering gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1), an antibacterial fiber cloth layer (1.2) and a filtering layer (1.3) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); and the supporting cover (3) is matched with a nose in shape. The three-dimensional soft bacterium-resisting and filtering gauze mask provided by the invention, of which the gauze mask main body comprises three layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask is capable of filtering dust and bacteria in air; and since the gauze mask main body is closely combined with the profile of the nose and a face, the gauze mask can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to vapor from a mouth.

The invention relates to a soft three-dimensional moisture absorption gauze mask. The gauze mask comprises a gauze mask body (1), the left side and right side of the gauze mask body (1) are provided with hanging belts (2), the gauze mask body (1) includes a gauze layer (1.1) and a moisture absorption layer (1.2) which are arranged in sequence from inside to outside, the middle of the gauze mask body (1) is provided with a supporting cover (3) which is matched with the apex of the nose in shape, and the periphery of the gauze mask body (1) is provided with an attaching edge (4). According to the soft three-dimensional moisture absorption gauze mask, the gauze mask body includes two layers of structures and is good in air permeability and moisture absorption and capable of filtering away dust and bacteria in air; the gauze mask body is tightly combined with a nose apex contour and the face and effectively isolates external viruses and bacteria, and meanwhile lenses of doctors are prevented from being blurred by moisture in the mouth.

The invention relates to a high-fitting-degree three-dimensional moisture-absorbing, antibacterial and thickened mouth mask. The mouth mask comprises a mouth mask body (1), hanging belts (2) are arranged on the left side and the right side of the mouth mask body (1), the mouth mask body (1) comprises a gauze layer (1.1), a moisture-absorbing layer (1.2), an antibacterial fiber cloth layer (1.3) and a cotton cloth layer (1.4) which are sequentially arranged from inside to outside, a supporting cover (3) is arranged in the middle of the mouth mask body (1), the shape of the supporting cover (3) is matched with that of the tip of the nose, and the periphery of the mouth mask body (1) is provided with a fitting edge (4). The mouth mask body of the high-fitting-degree three-dimensional moisture-absorbing, antibacterial and thickened mouth mask comprises four layers of structures, and the mouth mask is good in air permeability and moisture absorption and can filter away dust and bacteria in air; the mouth mask body is closely attached to the outline of the tip of the nose and the face, outside viruses and bacteria are effectively isolated, and lenses of a doctor can be prevented from being dimmed by vapor in the mouth.

The invention discloses an improved Bayes non-local mean filter used in a synthetic aperture radar (SAR) image de-speckling method, which belongs to the technical field of image processing and mainly overcomes the problems of compressed brightness of strong reflection targets such as points, edges and the like and unsatisfied mean maintenance and the like in a de-speckling result of the original Bayes non-local mean filter. The method is implemented by the following steps: (1) performing mean pre-evaluation on an input SAR image v to obtain a pre-evaluated mean matrix u; (2) pre-selecting blocks in a search area at the xi position of a pixel point in the input SAR image, and marking the result as a block set delta 0; (3) pre-selecting points on elements in the block set delta 0, and marking the result as a point set delta; and (4) adopting the Bayes non-local mean filter on each pixel point in the input SAR image to obtain de-speckling image by using the mean matrix u and the point set delta. The method can realize mean and texture maintenance, better keep the brightness of strong reflection targets such as points, edges and the like and is favorable to point target and edge detection.

The invention relates to a high-fitting-degree three-dimensional filtering mouth mask. The mouth mask comprises a mouth mask body (1), hanging belts (2) are arranged on the left side and the right side of the mouth mask body (1), the mouth mask body (1) comprises a gauze layer (1.1) and a filtering layer (1.2) which are sequentially arranged from inside to outside, a supporting cover (3) is arranged in the middle of the mouth mask body (1), the shape of the supporting cover (3) is matched with that of the tip of the nose, and the periphery of the mouth mask body (1) is provided with a fitting edge (4). The mouth mask body of the high-fitting-degree three-dimensional filtering mouth mask comprises two layers of structures, and the mouth mask is good in air permeability and moisture absorption and can filter away dust and bacteria in air; the mouth mask body is closely attached to the outline of the tip of the nose and the face, outside viruses and bacteria are effectively isolated, and lenses of a doctor can be prevented from being dimmed by vapor in the mouth.

The invention relates to a high joint degree three-dimensional thickening mask. The mask comprises a mask body (1), and both right and left sides of the mask body(1) are each provided with hang belts (2), and the mask body (1) comprises a gauze layer(1.1) and a cotton cloth layer(1.2) in sequence from the inside to the outside; A support cover(3) is placed in the middle of the mask body(1), and the shape of the support cover(3) matches with the shape of a nose; Joint edges(4) are arranged around the periphery of the mask body(1). The mask body of the high joint degree three-dimensional thickening mask has two layers of structure, which has good air permeability and hygroscopicity, and the mask can also filter the dusts and bacteria in the air; The mask body is tightly coupled with the contour of the nose and face, effectively isolating the viruses and bacteria from the outside world, and preventing the water vapor in the mouth from fuzzing up the eyeglasses of the doctor at the same time.

The invention relates to a soft three-dimensional filtering gauze mask. The gauze mask comprises a gauze mask body (1), the left side and right side of the gauze mask body (1) are provided with hanging belts (2), the gauze mask body (1) includes a gauze layer (1.1) and a filtering layer (1.2) which are arranged in sequence from inside to outside, the middle of the gauze mask body (1) is provided with a supporting cover (3) which is matched with the apex of the nose in shape, and the periphery of the gauze mask body (1) is provided with an attaching edge (4). According to the soft three-dimensional filtering gauze mask, the gauze mask body includes two layers of structures and is good in air permeability and moisture absorption and capable of filtering dust and bacteria in air; the gauze mask body is tightly combined with a nose apex contour and the face and effectively isolates external viruses and bacteria, and meanwhile lenses of doctors are prevented from being blurred by moisture in the mouth.

The invention relates to a three-dimensional bacterium-resisting and filtering gauze mask, which comprises a gauze mask main body (1), wherein hanging straps (2) are arranged at the left and right sides of the gauze mask main body (1); the gauze mask main body (1) comprises a gauze layer (1.1), an antibacterial fiber cloth layer (1.2) and a filtering layer (1.3) which are sequentially arranged from inside to outside; a supporting cover (3) is arranged in the middle of the gauze mask main body (1); and the supporting cover (3) is matched with a nose in shape. The three-dimensional bacterium-resisting and filtering gauze mask provided by the invention, of which the gauze mask main body comprises three layers, is good in air permeability and moisture-absorbing performance, and in addition, the gauze mask is capable of filtering dust and bacteria in air; and since the gauze mask main body is closely combined with the profile of the nose and a face, the gauze mask can effectively isolate external viruses and bacteria, and meanwhile, doctor's lenses can be prevented from getting misted due to vapor from a mouth.

The invention relates to a high compactness stereoscopic filtration thickened mask, which comprises a mask body (1). Two belts (2) are hung on the two sides of the mask body. The mask body comprises a gauze layer (1.1), a filter layer (1.2) and a cotton layer (1.3). A support cover (3) is disposed in the middle of the mask (1). The shape of the support cover is matched with the shape of a nose. The binding edge (4) is disposed in the outside of the mask body. The mask body comprises three layer constructions with good breathability and hygroscopicity. The mask can filter the dust and germs among the air. The mask body, the outline of a nose and a face combine closely, which isolates the outside virus and bacteria effectively and stop the steam of the mouth from obscuring doctors' lens.