246results about How to "Overcoming the problem of being easily contaminated by environmental microorganisms" patented technology

The invention discloses a crack-type quantitative easily-marked hand-held surface sampling culture dish adopting a grid counting method. The culture dish comprises a dish bottom and a dish cover; a transverse crack and a longitudinal crack formed in a first dish bottom side wall can be cracked when the stress is exerted, so that a movable dish bottom side wall is broken away from the culture dish,and the height of the first dish bottom side wall is lower than the plane of a solid medium, and therefore, an operation of surface microorganisms sampling is performed more simply and more conveniently. Additionally, a mark zone enables the marking work to be more efficient, minute bacterial colonies can be observed more conveniently through an observation window, scale marks can be used for indicating the pouring volume of an agar medium, and a counting process of bacterial colonies can be simplified by grid lines.

The invention discloses a press-out-type leak-proof heightening quantitative hand-held surface sampling culture dish which comprises a dish bottom and a dish cover. The dish bottom is provided with asecond clasp and a first clasp which are in a stable chimeric structure. The chimeric structure can be loosened when a force is applied, so that a movable dish bottom side wall moves relative to a first dish bottom side wall. A second dish bottom side wall can prevent a culture medium from overflowing out of the dish bottom. A padding table prevents an AGAR culture medium from contaminating the side wall of the dish cover. Through cooperation of a first grasping handle and a second grasping handle, the dish bottom and the dish cover can be more convenient to open or close. Scale lines indicatethe pour volume of the AGAR medium.

The invention discloses a split-out anti-leakage quantitative visible easy-pressed counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, a horizontal cracking gap and a longitudinal cracking gap which are formed in a first dish bottom side wall can be split under stress to allow a movable bottom side wall to be released causing the height of the first dish bottom side wall to be lower than the plane of a solid substrate, so that the sampling operation of surface microorganisms is more convenient, in addition, a second dish bottom side wall can prevent culture mediums from leaking from the dish bottom, the observation of micro colonies can be more convenient by arranging an observation window, the pouring volume of an agar medium can be indicatedby scaling lines, and a pressing boss can make the moving of the movable dish bottom side wall more convenient.

The invention discloses a press-out type easy-to-mark fan-shaped counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish lid, wherein at least one second buckle andat least one first buckle which form a stable embedded structure are arranged at the dish bottom; the embedded structure can be loosened when receiving force, so that at least one movable dish bottomside wall and at least one first dish bottom side wall have relative movement, the marking work can be more efficient through at least one marking zone, and the bacterial colony counting process canbe simplified through radioactive rays.

The invention discloses a pressing-out type quantitative easy-to-mark anti-slip surface sampling petri dish, which comprises a petri dish bottom and a petri dish cover. The petri dish bottom is provided with second clamping fasteners and first clamping fasteners, and the second clamping fasteners and the first clamping fasteners form stably embedded structures. The embedded structures can be loosened under stress, so that movable petri dish bottom side walls and first petri dish bottom side walls move relatively. When multiple petri dishes are stacked, first protrusions and second protrusionslimit relative motion of two adjacent petri dishes; mark areas enable high efficiency in marking operation; agar culture medium pouring volumes can be indicated through scale lines.

The invention discloses a split-type easily-marked skidproof easily-pressed handheld surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, and a lateral crack opening and a longitudinal crack opening formed in first dish bottom side walls can be split under stress, so that movable dish bottom side walls are disengaged, the height of the first dish bottom side walls is lower than a plane of a solid medium, and the operation of surface microbial sampling is simpler; the cooperation of first graspers and second graspers enables the dish bottom and the dish cover to be opened and fastened more easily, first bulges and second bulges can restrict the relative movement of two adjacent culture dishes when a plurality of the culture dishes are stacked, a mark zone can ensure the marking work more efficient, and pressing tables can facilitate the movement of the movable dish bottom side walls.

The invention discloses an extrusion-type anti-skid hand-held grid-counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein a second buckle and a first buckle which are of a stable chimeric structure are arranged on the dish bottom, when under stress, the chimeric structure can loosen to cause relative movement between a mobile dish bottom side wall and a first dish bottom side wall, under cooperation between first hand grabs and second hand grabs, the dish bottom and the dish cover can be unbuckled or buckled more conveniently, when multiple culture dishes are placed in a stacked mode, by means of first bulges and second bulges, relative movement between the two adjacent culture dishes can be limited, and by means of grid lines, a bacterial colony counting process can be simplified.

The invention discloses a cracking-type quantitative visible easy-to-press surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein when the culture dish is under stress, transverse crack openings and longitudinal crack openings formed in first dish bottom side walls can be cracked, so that movable dish bottom side walls are separated, resulting in that a height of the first dish bottom side walls is lower than a plane of a solid culture medium, and the surface microorganism sampling operation is simpler and more convenient; by arranging an observationwindow, the minute colony is more convenient to observe; by arranging scale lines, a pouring volume of an agar culture medium can be indicated; and by arranging a pressing table, the movable dish bottom side walls are more convenient to move.

The invention discloses a split-type leakproof height-increased quantitative handheld surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, and a lateral crack opening and a longitudinal crack opening formed in first dish bottom side walls can be split under stress, so that movable dish bottom side walls are disengaged, the height of the first dish bottom side walls is lower than a plane of a solid medium, and the operation of surface microbial sampling is simpler. In addition, second dish bottom side walls can prevent the medium from overflowing from the dish bottom, pad tables can prevent an agar medium from contaminating a side wall of the dish cover, the cooperation of first graspers and second graspers enables the dish bottom and the dish cover to be opened and fastened more easily, and scale lines can indicate the pouring volume of the agar medium.

The invention discloses a cracking type easy-to-mark visible easy-to-press handheld surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel isstressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. Through the matching of afirst grasping handle and a second grasping handle, the vessel bottom and the vessel cover can be more conveniently opened or buckled; through a marking region, the marking work can be more efficient;through an observation window, the observation of tiny bacterial colonies can be more convenient; through a press table, the moving of the bottom side wall of the movable vessel can be more convenient.

The invention discloses an extrusion type leakage-proof quantitative antiskid sector counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein the dishbottom is provided with a second buckle and a first buckle which are of stable embedded structures, the embedded structures can be loosened under stress, and the movable side wall of the dish bottommoves relative to the first side wall of the dish bottom. Moreover, the second side wall of the dish bottom can prevent a culture medium from overflowing from the dish bottom, when a plurality of culture dishes are placed in a stacked manner, a first buckle and a second buckle can restrict the relative movement of every two adjacent culture dishes, scale lines can indicate the pouring volume of anagar culture medium, and radioactive rays can simplify the counting process of colonies.

The invention discloses a press-out type easy-to-press fan-shaped counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish lid, wherein at least one second buckle and at least one first buckle which form a stable embedded structure are arranged at the dish bottom; the embedded structure can be loosened when receiving force, so that at least one movable dish bottom side wall and at least one first dish bottom side wall have relative movement, the at least one movable dish bottom side wall can be more convenient to move by means of at least one pressing platen,and the bacterial colony counting process can be simplified through radioactive rays.

The invention discloses a split type easy-to-press handheld surface sampling petri dish based on sector counting. The petri dish comprises a dish bottom and a dish cover. When being stressed, at leastone transverse crack opening and at least one longitudinal crack opening formed in at least one first dish bottom side wall can be split, a movable dish bottom side wall is separated, and the at least one first dish bottom side wall is lower than the plane of a solid medium, so that surface microorganism sampling operation is simpler and more convenient; the dish bottom and the dish cover can bemore convenient to open or buckle by cooperation of at least one first gripper and at least one second gripper; the movable dish bottom side wall can be more convenient to move by at least one press boss, and the counting process of colonies can be simplified by radial lines.

The invention discloses a crack-out-type leakage-proof height-increase visible easy-to-press surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, and when the culture dish is under stress, transverse crack openings and longitudinal crack openings in first dish bottom side walls can crack, so that movable dish bottom side wall bodies are detached, the first dishbottom side walls are lower than the plane of a solid culture medium, and therefore the operation of surface microorganism sampling is more convenient. In addition, second dish bottom side walls canprevent the culture medium from spilling out of the dish bottom, pad platforms can prevent the agar culture medium from contaminating dish cover side walls, minute bacterial colonies can be more conveniently observed through an observation window, and the movable dish bottom side wall bodies can be moved more conveniently through the pad platforms.

The invention discloses a cracking type quantitative visible handheld square counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vesselis stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; theheight of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. Through the matching ofa first grasping handle and a second grasping handle, the vessel bottom and the vessel cover can be more conveniently opened or buckled; through an observation window, the observation of tiny bacterial colonies can be more convenient; scale lines can be used for indicating the pouring volume of an agar culture medium; through square lines, the counting process of bacterial colonies can be simplified.

The invention discloses a crack-type leakage-proof quantitative anti-skid visible surface sampling culture dish which comprises a dish bottom and a dish cover; a transverse crack and a longitudinal crack formed in a first dish bottom side wall can be cracked when the stress is exerted, so that a movable dish bottom side wall is broken away from the culture dish, and the height of the first dish bottom side wall is lower than the plane of a solid medium, and therefore, an operation of surface microorganisms sampling is performed more simply and more conveniently. Additionally, a second dish bottom side wall can be used for preventing the medium from overflowing from the dish bottom, a first bulge and a second bulge can be used for limiting the relative movement of two adjacent culture dishes when a plurality of culture dishes are piled, minute bacterial colonies can be observed more conveniently through an observation window, and scale marks can be used for indicating the pouring volumeof an agar medium.

The invention discloses an extrusion-type antiskid easy-to-press surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein the dish bottom is provided with a second buckle and a first buckle, which form a stable embedding structure, when in stress, the embedding structure can be released, so that a movable dish bottom side wall can move relative to a first dish bottom side wall, when a plurality of culture dishes are arranged in a stacking manner, a first bulge and a second bulge can limit the relative movement of two adjacent culture dishes, and a pressing table enables the movable dish bottom side wall to be more convenient to move.

The invention discloses a split type surface sampling petri dish based on grid counting. The petri dish comprises a dish bottom and a dish cover. When being stressed, at least one transverse crack opening and at least one longitudinal crack opening formed in at least one first dish bottom side wall can be split, a movable dish bottom side wall is separated, and the at least one first dish bottom side wall is lower than the plane of a solid medium, so that surface microorganism sampling operation is simpler and more convenient; the counting process of colonies can be simplified by grid lines.

The invention discloses a pressing-out type quantitative surface sampling petri dish, which comprises a petri dish bottom and a petri dish cover. The petri dish bottom is provided with second clampingfasteners and first clamping fasteners, and the second clamping fasteners and the first clamping fasteners form stably embedded structures. The embedded structures can be loosened under stress, so that movable petri dish bottom side walls and first petri dish bottom side walls move relatively. Agar culture medium pouring volumes can be indicated through scale lines.

The invention discloses a cracking-type easy-to-mark grid counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the culture vessel bears force, transverse crack openings and longitudinal crack openings which are formed in the first vessel bottom side walls can crack, so that the movable vessel bottom side walls are disengaged, consequently,the first vessel bottom side walls are lower than the plane of a solid culture medium, and thus surface microorganism sampling operation is easier and more convenient, marking work can be more efficient through marking areas, and the counting process of bacterial colonies can be simplified through grid lines.

The invention discloses an extrusion-type quantitative easy-to-press criss-cross counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein the dish bottom is provided with a second buckle and a first buckle, which form a stable embedding structure, when in stress, the embedding structure can be released, so that a movable dish bottom side wall can move relative to a first dish bottom side wall, a scale line can indicate a pouring volume of an agar culture medium, a pressing table enables the movable dish bottom side wall to be more convenient tomove, and a criss-cross line can simplify a counting process of a bacterial colony.

The invention discloses a press-out-type leak-proof visual hand-held grid counting surface sampling culture dish which comprises a dish bottom and a dish cover. The dish bottom is provided with a second clasp and a first clasp which are in a stable chimeric structure. The chimeric structure can be loosened when a force is applied, so that a movable dish bottom side wall moves relative to a first dish bottom side wall. A second dish bottom side wall can prevent a culture medium from overflowing out of the dish bottom. Through cooperation of a first grasping handle and a second grasping handle,the dish bottom and the dish cover can be more convenient to open or close. An observation window facilitates the observation of minute colonies, and grid lines simplify the counting process of bacterial colonies.

The invention discloses a press-out leakage-proof increased anti-skid easy-to-press surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, and the dish bottom is provided with a second buckle and a first buckle which are of a stable embedded structure; under stress, the embedded structure can loose, and a movable dish bottom side wall and a first dish bottom sidewall can move relatively. In addition, by means of a second dish bottom side wall, the phenomenon that a culture medium overflows from the dish bottom can be prevented; by means of a pad table, the phenomenon that an agar culture medium contaminates the dish cover side wall can be prevented; when multiple culture dishes are stacked, a first protrusion and a second protrusion can limit relative movement of the two adjacent culture dishes; by means of a platen, better convenience can be brought to movable dish bottom side wall movement.

The invention discloses a cracking type anti-leakage quantitative easy-to-mark square counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel is stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. In the addition, the second vessel bottom side wall can prevent a culture medium from overflowing from the vessel bottom of the culture medium; through a marking region, the marking work can be more efficient; scalelines can be used for indicating the pouring volume of an agar culture medium; through square lines, the counting process of bacterial colonies can be simplified.

The invention discloses an extrusion type leakage-proof quantitative easily-pressed sector counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, wherein the dish bottom is provided with a second buckle and a first buckle which are of stable embedded structures, the embedded structures can be loosened under stress, and the movable side wall of the dish bottom moves relative to the first side wall of the dish bottom. Moreover, the second side wall of the dish bottom can prevent a culture medium from overflowing from the dish bottom, scale lines can indicate the pouring volume of an agar culture medium, a pressing table enables the movement of the movable side wall of the dish bottom to be more convenient, and radioactive rays can simplify the counting process of colonies.

The invention discloses a cracking type quantitative easy-to-mark easy-to-press square counting surface sampling culture vessel. The culture vessel comprises a vessel bottom and a vessel cover. When the vessel is stressed, a transverse crack opening and a longitudinal crack opening formed in the first vessel bottom side wall can crack, so that the bottom side wall of a movable vessel can be disengaged; the height of the first vessel bottom side wall is lower than the plane of a solid culture medium, so that the surface microbial sampling operation is simpler and more convenient. Through a marking region, the marking work can be more efficient; scale lines can be used for indicating the pouring volume of an agar culture medium; through a press table, the moving of the bottom side wall of the movable vessel can be more convenient; through square lines, the counting process of bacterial colonies can be simplified.

The invention discloses an extrusion-type easily-marked easily-pressed hand-held fan-shaped counting surface sampling culture dish. The extrusion-type easily-marked easily-pressed hand-held fan-shapedcounting surface sampling culture dish comprises a dish bottom and a dish cover; the dish bottom is provided with a second buckle and a first buckle; a stable inosculating structure is formed by thesecond buckle and the first buckle; when the stable inosculating structure is loaded with force, the second buckle and the first buckle are disconnected, relative movement of a movable dish bottom side wall with a first dish bottom side wall is realized; the cooperation of a first clamping edge and a second clamping edge is capable of realizing convenient disconnecting and connecting of the dish bottom and the dish cover; a marking zone is capable of increasing the efficiency of marking operation; a pressing platform is capable of providing movable dish bottom side wall movement with convenience; and radiative lines are adopted to simplify bacterium colony counting process.

The invention discloses a crack-type quantitative easily-marked hand-held surface sampling culture dish adopting a grid counting method. The culture dish comprises a dish bottom and a dish cover; a transverse crack and a longitudinal crack formed in a first dish bottom side wall can be cracked when the stress is exerted, so that a movable dish bottom side wall is broken away from the culture dish,and the height of the first dish bottom side wall is lower than the plane of a solid medium, and therefore, an operation of surface microorganisms sampling is performed more simply and more conveniently. Additionally, the dish bottom and the dish cover can be opened or closed more conveniently through the match of a first grabbing hand and a second grabbing hand, a mark zone enables the marking work to be more efficient, scale marks can be used for indicating the pouring volume of an agar medium, and a counting process of bacterial colonies can be simplified by grid lines.

The invention discloses a split-type leakproof easily-pressed handheld square grid counting surface sampling culture dish. The culture dish comprises a dish bottom and a dish cover, and a lateral crack opening and a longitudinal crack opening formed in first dish bottom side walls can be split under stress, so that movable dish bottom side walls are disengaged, the height of the first dish bottomside walls is lower than a plane of a solid medium, and the operation of surface microbial sampling is simpler. In addition, second dish bottom side walls can prevent the medium from overflowing fromthe dish bottom, the cooperation of first graspers and second graspers enables the dish bottom and the dish cover to be opened and fastened more easily, pressing tables can facilitate the movement ofthe movable dish bottom side walls, and square grid lines can simplify the counting process of colonies.