48results about How to "Will not affect observation" patented technology

The invention discloses a metallographic grinding and polishing process. The metallographic grinding and polishing process comprises the steps that (1) the surface of a metallographic specimen is cleaned; (2) the surface of the metallographic specimen is ground; (3) the metallographic specimen is polished; and (4) cleaning is conducted. The metallographic specimen is cleaned and polished through vibration of an ultrasonic washing unit, when the metallographic specimen is cleaned, liquid inside the ultrasonic washing unit is industrial pure water, diamond abrasive grains, polishing paste and glycerinum are put into the ultrasonic washing unit for cleaning, resources can be saved, and influence on the subsequent grinding and polishing process can be avoided; a rubber soft bottom is arranged at the bottom of the metallographic specimen, so that the surface is prevented from being scratched in the grinding process, the metallographic specimen is dried for many times, oxidation of easily oxidized metals can be prevented in the operation process, and it is ensured that the surface of the metallographic specimen is even in color and has no water spot; coating of antirust agents is avoided, and the retention time is long in a vacuum environment.

The invention discloses a new method for surveying population density of microarthropods such as panonychus citri mcgregor, predatory mites and diaphorina citri kuwayama. The new method comprises the following steps of: randomly drawing a citrus sample plant; placing adhesive plate boxes below tree crowns in the east, south, west and north directions of the tree crown of the citrus sample plant; knocking branches of the tree crowns above the positions where the adhesive plate boxes are arranged for many times to drop the microarthropods; adhering the microarthropods falling in the adhesive plate boxes to adhesive plates of the adhesive plate boxes; collecting the adhesive plate boxes to perform statistical survey, wherein the adhesive plate boxes comprise box bodies; a layer of plate corresponding to the size of the bottom surface is arranged on the bottom surface of each box body; an adhesive material is coated on the upper surface of the plate; and thus, the adhesive plates are constructed. Thus, by surveying with the method provided by the invention, the used time is less, the sample can be stored for a long time, and most importantly, the detection sensitivity to the microarthropods of red spiders, predatory mites and the like is greatly improved; and since the detected objects are adhered and cannot escape, the detection is more convenient, simpler and more accurate.

The present invention provides a display screen and a display apparatus. The display screen includes a transparent substrate and a thin film on a surface of the substrate. The thin film has a wavelength selection characteristic, and has one reflection apex in a red wave band, a green wave band and a blue band respectively, an average transmitting rate of other visible light wave bands except for the reflection apexes is larger than 85%; wherein, a peak reflectance of the green reflection apex and the blue reflection apex is a first ratio and a peak reflectance of the red reflection apex and the blue reflection apex is a second ratio so that human eyes can not detect a difference between a color of an emergent light and a color of an incident light after a transmission of the sunlight to the thin film in sunny days. The reflection screen has a high transmittance for the sunlight and a constant color, and thus the reflection screen does not affect the way that a driver observes sceneries outside a vehicle. At the same time, the reflection screen has a high reflectivity for information light projected by a projector so as to greatly solve a problem of insufficient luminance.

The invention discloses a ZD6 electric switch machine indentation image collecting and processing device which comprises an upper housing, a lower housing, support legs, a flange support, two lock catch pieces and a camera shooting component, wherein one side of the upper housing and one side of the lower housing are connected through a hinge, the two lock catch pieces are respectively fixed on the upper housing and the lower housing, the flange support is fixed on the bottom of the lower housing, the support legs are fixed on the bottom of the flange support, the camera shooting component is installed in a confined space formed by the upper housing and the lower housing, the camera shooting component comprises a collection board, a shooting board and a plurality of cameras, the cameras are installed on the bottom of the shooting board, the collection board comprises a micro-processor, a parameter configuration and storage device, a program storage device and a synchronous dynamic random access memory (SDRAM), and the micro-processor is connected with the parameter configuration and storage device, the program storage device, the SDRAM, an acceleration sensor, a switch machine temperature and humidity sensor, a switch machine motion and current sensor and the plurality of cameras. The ZD6 electric switch machine indentation image collecting and processing device is ingenious in structure, convenient to install, clear in image, wide in application range, and capable of bringing great convenience to indentation inspection.

The invention provides an ultrasonic detection method for bonding quality. The ultrasonic detection method comprises: 1, before the front edge of a composite material blade is not bonded to a metal overlap, detecting the front edge position by using an ultrasonic water spraying penetration C scanning method, and eliminating the composite material blade with the defect at the front edge position; 2, after the composite material blade with the defect-free front edge is bonded to a metal overlap, detecting the blade overlapping position by using the ultrasonic water spraying penetration C scanning method, determining the horizontal position of the debonding defect, and marking; and 3, respectively detecting the front surface and the back surface of the marking position by using a high-resolution retarding block probe, and through the height of the reflected ultrasonic wave pulse formed by the composite material/metal/air interface wave of the surface, determining the surface at which thedebonding defect is generated. With the method of the present invention, the debonding defect with the diameter of not more than 5 mm can be rapidly and accurately detected, the surface at which the debonding is generated can be accurately determined, and the design and rework requirements of the product can be met.

A microscope bottom lighting source formed by LED back light plate is featured as setting light intensification film on diffusion film in LED back light plate for obtaining uniform-lighting with brightness and color both being able to be adjusted.

A spinal column fusion device internally lined with reinforced ribs comprises a main body structure and two internally-lined metal reinforced rib structure bodies embedded in the main body structure, wherein the main body structure is of a tubular structure with two hollow holes, each internally-lined metal reinforced rib structure body comprises a metal connecting bridge and two cylinders with internal thread structures, the two cylinders are connected by the metal connecting bridge, and the connecting bridge is embedded in a tube wall of the tubular structure. The horizontal section of the fusion device imitates a spinal column anatomical structure, the whole strength and toughness of the fusion device are improved by a form of internally-lined reinforced ribs, and the selecting range of novel biological materials is enlarged. In the process of an implantation operation, the main body part borne by the internally-lined metal reinforced rib structure is implanted into a body, so thatthe situation that the fusion device can be damaged due to a bad mechanics environment during the operation to influence an operation success can be avoided.

The invention discloses wood product processing equipment, which comprises a box, wherein the four edge corners of the lower portion of the box are respectively provided with a support block, the support block is a rubber block, a fixing column is vertically fixed on the left-upper end of the box, the upper end of the fixing column is provided with a lifting column, the top portion of the liftingcolumn is provided with a drilling mechanism, the box on the right side of the fixing column is provided with a sliding seat, the sliding seat is provided with a pressing mechanism for fixing a wood material, the sliding seat and the left side of the body are connected by a horizontal displacement mechanism, and the top portion, provided with the sliding seat, of the box body is provided with a negative pressure dust collecting mechanism. According to the present invention, the negative pressure dust removing mechanism is arranged on the surface of the box to collect the smoke and the broken chips generated by the drilling, and the collecting mode cannot affect the observation of the drilling condition; and the equipment has the drilling positioning function so as to improve the positioning efficiency and ensure the processing quality.

The invention provides a digital image information hiding based safety energy-saving communication method of a wireless multi-media sensor network aiming at the communication problems in an existing wireless multi-media sensor network. A node is divided into a data acquisition module, a data processing module, a wireless communication module and a power module, the power module is used for supplying power to the whole node and controlling sleep and operation of the node, and a digital image information hiding algorithm which is safe, lightweight, transparent and high in robustness is designed in the data processing module and is used for transparent transmission of information acquired by the data acquisition module. Therefore, the acquired information is transmitted only by sending a carrier embedded with secret information to a receiver, so that data communication energy consumption is reduced. However, the data communication energy consumption in the sensor network is vital to the sensor network life cycle, and the method has the advantages in the aspect of safety energy-saving communication of data in the multi-media sensor network.

The invention discloses a novel intelligent laser cutting machine, which includes a machine tool body. The feeding end of the machine tool body is provided with a driving roller, both sides of the machine tool body in the length direction are internally and slidably provided with lifting type protective isolation plates correspondingly, the machine tool body is internally provided with a driving mechanism which drives the lifting type protective isolation plates to slide up and down, and infrared ray alarms connected with driving mechanism circuit signals are fixedly arranged on both sides, near the driving roller, of the machine tool body in the length direction correspondingly; and the infrared ray alarms are vertically arranged with the side wall of the machine tool body, mirror face refracting plates are fixedly arranged on both sides, near the infrared ray alarms, of the machine tool body correspondingly, the mirror face refracting plates are obliquely arranged at 45 degrees, andinfrared ray receiving plates are vertically fixedly arranged on both sides, away from the driving roller, of the machine tool body correspondingly. According to the novel intelligent laser cutting machine, the condition that apprentice inadvertently closes to observe laser cutting head work can be effectively avoided, and safety is improved.

The invention discloses a conveniently-used test tube rack for chemicals. The conveniently-used test tube rack comprises a base; two support rods which are parallel to each other are respectively and vertically arranged at two sides of the upper surface of the base, the top of each support rod is fixedly connected with a top plate, and a first placement plate is arranged between the support rods at the two sides of the upper surface of the base; two baffles are respectively arranged at two sides of the lower surface of the first placement plate, and the baffles are respectively and fixedly connected with the support rods at the two sides of the upper surface of the base; a second placement plate is arranged at the lower side of the first placement plate; a recycling bin is arranged at the lower side of the second placement plate, and the recycling bin is positioned on the upper surface of the base. After the conveniently-used test tube rack for the chemicals is used, test tubes are prevented from being broken due to extrusion in a transportation process, and are enabled to be stored more safely; furthermore, the conveniently-used test tube rack for the chemicals can maintain the test tubes to be stable, prevent the test tubes from shaking and falling off, avoid loss and enable the test tubes to be conveniently used at any time, thus increasing the working efficiency, saving time and being convenient to use.

The invention provides a method for controlling pedestrians to cross a street in combination with a lifting-falling level. The method comprises steps of arranging a lifting-falling lever on the outer side of a pedestrian waiting area, calculating a time frame allowing the pedestrians to cross according to traffic light time of conflict traffic corresponding to a road section where the pedestrian wants to cross, delaying t1 to elevate the lifting-falling level to let the pedestrian go when the phase of the traffic light of the conflict traffic corresponding to the road segment where the pedestrian wants to cross begins, falling down the lifting-falling level t2 early before the phase of the traffic light of the conflict traffic corresponding to the road segment where the pedestrian wants to cross to block the pedestrians. The method of the invention adopts a physic facility to obstruct pedestrians who wants to cross over, which can prevents the pedestrians from running the red light without blocking vision and hurting people so as to increase difficulty and psychological burden for the pedestrian to violet rule to cross the street, can reduce probability of crossing the street by violating the rule and can reduce the occurrence rate of traffic accidents. The method of the invention increases traffic orderliness and foreseeability through well controlling the pedestrian to cross the street, improves vehicle driving environment and improves traffic efficiency of the road.

The invention relates to an environment-friendly blackboard. The environment-friendly blackboard comprises a writing board, a meshed board and a back board, wherein the writing board is made of a transparent material and the meshed board is made of a ferromagnetic material; the meshed board is fixedly clamped between the writing board and the back board, and meshes in the meshed board penetrate through the meshed board; a ball is mounted in each mesh of the meshed board and formed by splicing two half-balls, one of the two half-balls is a permanent magnetic half-ball with the black surface, and the other is a plastic half-ball with the white surface; the connecting line of south and north poles of each permanent magnetic half-ball is overlapped with the self-axis. During usage, the blackboard is free of dust, more environment-friendly, cleaner, safer, easy to wipe and clean and capable of saving a large number of resources.

The invention discloses a wiping-free observation window device for a closed heating furnace. The device comprises a protector inner ring, a protector outer ring and a lens, wherein the lens is arranged at one end of the protector outer ring, the other end of the protector outer ring is connected to the protector inner ring, a connecting end cavity and an annular nozzle are arranged at the connecting position of the other end of the protector outer ring and the protector inner ring, the annular nozzle is communicated with the connecting end cavity through an annular cavity, the connecting end cavity is communicated with a gas pipe connector through a gas input channel, and the gas pipe connector is arranged on the outer side wall of the protector outer ring. The connecting end cavity serves as a containing cavity of protective gas, uniform airflow is provided for the annular nozzle to form an airflow protecting wall, the purposes of protecting the lens at the inner side of the furnace from being adhered with impurities and keeping the mirror surface clean are achieved, and the airflow protecting wall is transparent and does not affect observation from the outside of the furnace to the inside of the furnace. The structure is simple, and the maintenance period of lens cleaning is prolonged; and the observation effect on the condition in the furnace is good, expensive camera equipment does not need to be replaced, the labor intensity of equipment maintenance personnel is greatly reduced, and the working efficiency and the working quality are improved.

The invention relates to a flexible rolling bag type lithium battery burst and abnormal condition processing device. The processing device comprises a flexible coiling bag, a protective clothing and protective gloves which are matched in use. The flexible coiling bag comprises a bag body, an extension part arranged at one end of the opening of the bag body and a handle arranged on the outer side of the extension part. The protective clothing comprises a head cover, a sight glass arranged in front of the head cover, air outlet holes arranged on the head cover and positioned at the two sides ofthe sight glass, a nose pad located below the sight glass, a protective apron connected below the head cover, an air suction pipe extending into the head cover and a fixed belt arranged at the waist part of the protective apron. A lock catch is arranged at the end part of the fixed belt, and thermal insulation anti-slip blocks are arranged at the fingertip of the protective gloves. Compared with the prior art, the flexible rolling bag type lithium battery burst and abnormal condition processing device can be used at the storage and transportation process of the lithium battery and the lithium-containing battery product, and is wide in application in the field of emergency management,has the advantages of being simple in structure, low in cost, safe and convenient.

The invention provides a ship body analog simulation scale model. The model comprises a mounting seat, an adjustable support structure, an adjustable sealing fixing frame structure, a positioning seat, bottom illuminating lamps, a rotating motor, a positioning rotating seat structure, a ship model body, a ship model observation frame structure convenient to disassemble, a transparent shield, a top illuminating lamp, a collecting frame, a winding roller, a rotating handle and a power line, wherein the adjustable support structure is mounted at a lower part of the mounting seat; the adjustable sealing fixing frame structure is mounted at an upper part of the mounting seat; the bottom illuminating lamps are respectively glued at four corners of the upper part of the positioning seat; and the positioning rotating seat structure is placed at an upper part of the positioning seat. According to a ship model piece convenient to disassemble, the metal sheets are attracted to upper portions of the magnet sheets, and the internal structure of the ship model body can be conveniently observed in the using process; and a threaded supporting rod is inserted into the inner side of the rotary supporting pipe, so the height of the model can be conveniently adjusted during use.