30results about How to "Avoid direct injection" patented technology

The invention discloses a nucleic acid aptamer probe and device for cancer cell detection and application of the nucleic acid aptamer probe and device for cancer cell detection. The nucleic acid aptamer probe comprises a fixing probe body and an identifying probe body capable of being combined with a cancer cell; the fixing probe body and the identifying probe body are hybridized and complemented; and the device comprises the nucleic acid aptamer probe and a carrier, and the fixing probe body of the nucleic acid aptamer probe is in cross linkage to the surface of the carrier in a covalent or non-covalent manner. The nucleic acid aptamer probe is low in instrument requirement, high in universality, low in cost, simple in operation and easy to popularize, and can be applied to cancer cell detection, tracing and killing.

The invention discloses a portable microscopic imaging device, which is detachably connected to portable imaging equipment (3) with a camera (31) and an illuminator (32). The portable microscopic imaging device comprises a lens (1) and a lens body (2), wherein the lens body (2) is made of transparent or semi-transparent solid materials, and the thickness of the lens body in a length direction is even; the outer surface of the front side (20b) of the lens body (2) is locally provided with an independent mirror surface reflection layer or a diffuse reflection layer to cover the illuminator (32);the mirror surface reflection layer or the diffuse reflection layer is made of light-proof materials and forms a sealed annular light transmission ring with the peripheral edge of the front side (20b) of the lens body (2); and the opening size of the mounting hole (21) of the lens body (2) on the front side (20b) of the lens body is greater than the size of the lens (1). Through the re-optimization design of the structure, the imaging device has the advantages of being small, light, convenient, easy in use, high in imaging quality and high in amplification factors.

The invention discloses a multifunctional movable shed. The upper bottom surface and lower bottom surface of a shed body are both round, ventilation holes are formed in the side wall of the upper portion and the side wall of the lower portion of the shed body, and ventilation tubes are fixed to the ventilation holes in a penetrating mode; sheep beds are spliced in the shed body, bed faces are located on the ventilation tubes on the lower portion of the shed body, a pen door is arranged on the shed body, and slope steps are placed on the ground outside the pen door; the top of the shed comprises a big roof, an umbrella-shaped pinnacle and a neck part, the big roof is in the shape of a circular truncated cone, the lower bottom of the big roof is connected with the top face of the shed body, the neck part extends upwards from the middle of the upper bottom face of the big roof, the umbrella-shaped pinnacle covers the neck part, and ventilation holes are formed in the side wall of the neck part; the wall face of the top of the shed and the wall face of the shed body both have three layers, namely a rainproof layer, a heat insulation and a protection layer from outside to inside. By arranging the ventilation tubes in the ventilation holes, external strong light is prevented from directly entering the shed, so that light in the shed is reduced effectively on the premise that ventilation is achieved, and then necessary conditions are provided for increasing the yield of cashmere scientifically.

The invention particularly relates to a determination method of the content of fusel in ethylene carbonate. The determination method comprises the following steps: preparing a plurality of ethylene carbonate solutions containing the fusel with different concentrations; carrying out gas chromatography and drawing an external standard curve according to a peak area and the corresponding concentration of the fusel; after diluting a to-be-detected sample ethylene carbonate to certain times by using a solvent to obtain a to-be-detected solution; detecting the to-be-detected solution according to pre-set chromatographic conditions to obtain a corresponding peak area; and calculating to obtain the content of the fusel according to the drawn external standard curve. Compared with the prior art, the gas chromatography is firstly adopted, and the external standard curve is drawn according to the peak area and the corresponding concentration of the fusel as a standard; after the sample to be detected is prepared into the solution, the solution is compared with the standard and the content of the fusel is finally calculated; damages to a gas chromatograph are reduced; and meanwhile, the accuracy of a detection result is also improved and the content of the fusel in ethylene carbonate can be accurately detected.

The invention discloses a novel building energy-saving window capable of using solar energy. The novel building energy-saving window comprises a frame, a window body, a solar electrical storage device, a control cabinet, a mounting base and a storage battery pack. A fixing strip is mounted above the mounting base. The frame is mounted on the fixing strip. Fixing blocks are mounted on the frame. The frame is connected with the window body through hinges. A heat insulation layer is mounted in the center of the interior of the window body. A solar controller is mounted on the upper portion of the interior of the solar electrical storage device. A solar cell panel is mounted above the solar electrical storage device. The heat insulation layer is mounted in the center of the interior of the window body, and a sunshading layer is mounted on the right side of the heat insulation layer so that heat insulation can be conducted indoor, the indoor temperature loss is avoided, sunshading can be achieved, the outside strong sunlight is prevented from irradiating the interior of a room, and the dwelling environment is optimized for users.

The invention provides a high-temperature secondary electronic detector collection assembly. The high-temperature secondary electronic detector collection assembly comprises a standard secondary electronic detector collection assembly body and a light insulating sleeve which can block visible light and infrared light, wherein the standard secondary electronic detector collection assembly body is sleeved with the light insulating sleeve, one end of the light insulating sleeve is a port end suitable for being connected with a light guide pipe joint, and the other end of the light insulating sleeve is an electron inlet end. In the high-temperature secondary electronic detector collection assembly, the standard secondary electronic detector collection assembly body is sleeved with the light insulating sleeve which can block the visible light and the infrared light which are emitted by a sample at a high temperature so that the standard secondary electronic detector collection assembly body can be prevented from absorbing the visible light and the infrared light to generate white spots, and it is guaranteed that images generated by the standard secondary electronic detector collection assembly body can normally reflects changes of the surface of the sample at the high temperature. A high-temperature scanning electron microscope with the high-temperature secondary electronic detector collection assembly further comprises a thermal insulating objective lens protective assembly, and thermal radiation generated by the sample at the high temperature is prevented from affecting performance of a pole shoe below an objective lens.

The invention discloses an auxiliary protective structure for camellia oleifera plants. The structure includes a tree body, the outside of the tree body is fixedly sleeved with a sponge sleeve, and ahumidity detector is arranged on the sponge sleeve. The tree body is movably sleeved with a support ring. The side wall of the support ring is fixedly connected with a first support rod so as to prevent an antifreezing solution from being directly injected into the plants and reduce the toxicity to human body. Meanwhile, a combined structure of the sponge sleeve and the humidity detector is added, since the sponge sleeve is directly impregnated with the antifreezing solution, the antifreezing solution is lost in air over time, the arrangement of the humidity detector can achieve real-time monitoring of the content of the antifreezing solution in the sponge sleeve, the series-circuit intelligent control effect thus can be achieved according to the content of the antifreezing solution, in this way, resources are saved, and the plants can be kept under the protection of the antifreezing solution at all times.

The invention relates to a cooking device, which comprises a box body with a front opening and a door body covering the opening of the box body. The door body is composed of a middle door body and a side door body. The side door body is at least one parallel It is arranged on the left or right side of the middle door body, and the outer end of the side door body can be rotated outward relative to the middle door body to open the side door body. Compared with the prior art, the present invention first opens the side door at the end of cooking, and the hot air inside the cooking device can be discharged from back to front toward the left and / or right side of the door along the side of the door. Part of the hot air can effectively prevent the hot air from spraying directly to the user when the door is opened as a whole.

The invention discloses a mounting and application method of a portable microscopic imaging device. The mounting and application method of the portable microscopic imaging device is characterized by comprising the following steps that S1, the portable microscopic imaging device is placed on a plane; S2, dynamic photographing software is opened, and a camera and an illuminator are turned on; S3, the camera shoots a picture for the portable microscopic imaging device; S4, the relative spatial positions of the portable microscopic imaging device and portable microscopic imaging equipment are moved, so that an enlarged image area is located at the center of a display screen; S5, along with the smaller and smaller distance between the camera and a lens, the enlarged image area in the display screen is larger and larger; S6, when the portable microscopic imaging equipment is in contact with the portable microscopic imaging device, mounting is completed through pressing. The mounting and application method of the portable microscopic imaging device is convenient to operate; one-time alignment can be achieved, the portable microscopic imaging device can be rapidly mounted, the mounting coaxiality is ensured, the microscopic imaging quality is good, the usage threshold is lowered, the user experience is improved, and application and popularization are greatly promoted.

The invention discloses an ultra-thin vein identification device and its identification method. When a finger is placed in the vein identification area, the left sensor and the right sensor are triggered, and the left sensor and the right sensor send a signal that the finger is placed in the vein identification area to the controller. , the controller sends a flash instruction to the near-infrared light-emitting diode, and the near-infrared light-emitting diode emits near-infrared light according to the instruction. The near-infrared light is projected through the finger, and the non-infrared light is filtered out by the filter, and the finger outline image is presented on the plane mirror. The sensor senses an image of the outline of the finger, and the sensing camera shoots the image of the outline of the finger, which is then sent to the controller for identification. The invention utilizes the imaging principle of the plane mirror to shorten the distance between the images of objects and change the angle in disguised form to achieve a miniaturized structure.

The invention discloses a pressure releasing device of a completely-closed gas insulation high-pressure switch device. The pressure releasing device of the completely-closed gas insulation high-pressure switch device comprises a releasing cylinder body with a flange structure, an upper clamping machine, a lower clamping machine and a reversed-arch rupture disk. The pressure releasing device is characterized in that the reversed-arch rupture disk is fixedly connected to the opened end of the releasing cylinder body through the upper clamping machine and the lower clamping machine in a fixedly welding mode, the concave face of the reversed-arch rupture disk faces the side, with the flange structure, of the releasing cylinder body, the releasing device is fixedly connected with an air chamber wall through the flange structure, a double-screw bolt and a nut, and a sealing ring is arranged between the flange structure and the air chamber wall. The pressure releasing device of the completely-closed gas insulation high-pressure switch device is good in anti-fatigue performance, the bearable operation temperature ranges from -30 DEG C to 40 DEG C in an alternating mode, the rupture performance of the rupture disk is not influenced, when the time spent on the process that the barometric pressure rises to the rupture pressure is shorter than 0.3s, the rupture performance is stable, a rupture pressure error satisfies the requirement for the released pressure-intensity accuracy, the releasing rate is no larger than 1% per year, and maintenance and repair are simple and convenient.

The application discloses a casing and an electronic device. The casing includes: a body capable of forming an accommodating space; wherein, the body includes: at least two partitions, and any adjacent two partitions have a an opening, so that there is an airflow path between the accommodation space and the outer space of the body; at least one blocking member is provided in the accommodation space corresponding to the opening, and is used to keep the airflow path while blocking light from passing through the The opening projects directly into the receiving space. The above-mentioned casing can block the user's sight while ensuring the normal circulation of gas, so that the user cannot see the accommodation space inside the body and the devices arranged in the accommodation space from the opening on the outside of the body, avoiding the leakage inside the casing. The exposure of space and components improves the appearance of the housing.

The invention discloses a light-emitting diode (LED) round pendant lamp. The LED round pendant lamp comprises an LED light source, an LED substrate used for bearing the LED light source, and a reflector used for secondary light distribution on LED light emitted from the LED light source. The LED substrate is fixedly connected with the bottom end of the reflector, and reflection surfaces of the reflector are placed above the LED light source and comprise a first reflection surface, a horizontal reflection surface and a third reflection surface, wherein the first reflection surface is a cone frustum curved surface, the horizontal reflection surface is a ring-shaped horizontal plane, and the third reflection surface is a cone curved surface. An included angle between the LED substrate and the horizontal reflection surface is from 10degrees to 45degrees, an included angle between the first reflection surface and the horizontal reflection surface is from 95degrees to 120degrees, and a supplementary angle of the included angle between the third reflection surface and the horizontal reflection surface is from 15degrees to 30degrees. The LED round pendant lamp has the advantages of being good in anti-dazzle effect, high in lighting efficiency and attractive in whole appearance.

The invention discloses a nucleic acid aptamer probe for tumor cell detection, a device and its application, wherein the nucleic acid aptamer probe includes an immobilized probe and a recognition probe capable of binding to tumor cells; the immobilized probe and The recognition probe part is hybridized and complementary; the device includes a nucleic acid aptamer probe and a carrier, and the immobilized probe of the nucleic acid aptamer probe is cross-linked on the surface of the carrier through covalent or non-covalent cross-linking. The nucleic acid aptamer probe instrument of the present invention has low requirements, strong universality, low cost, simple operation and easy popularization, and can be applied to the detection, tracing and killing of tumor cells.

The invention relates to energy storage technology, in particular to a cascaded energy storage device based on an LLC soft-switching resonant circuit and a control method, including n battery packs, n one-to-three LLC soft-switching resonant converters, and H-bridge cascaded Three-phase inverter and three-phase AC filter; each battery pack is connected to the input end of a pair of three LLC soft-switching resonant converters, and the three output ends of each pair of three LLC soft-switching resonant converters are respectively connected to The DC input terminal of an H bridge of each phase of an H bridge cascaded three-phase inverter, the AC output terminals of n H bridges of each phase of the three-phase inverter are connected in series in sequence, and connected to the Public power grid; n is a positive integer. The device utilizes the one-to-three LLC resonant conversion circuit structure and the phase symmetric distribution of the DC ripple of the three-phase H-bridge to realize ripple cancellation at the output end of the energy storage battery, avoiding the current ripple directly injected into the battery, reducing The battery heats up, prolonging battery life.

The invention discloses an LED (light-emitting diode) anti-dazzling ceiling lamp, which comprises LED light sources, LED substrates which are used for bearing the LED light sources, and reflectors which are used for conducting secondary light distribution on light emitted by the LED light sources. The LED substrates are fixedly connected with the bottom ends of the reflectors. The reflecting surface of each reflector is arranged above the LED light sources and comprises a first reflecting surface, a horizontal reflecting surface and a third reflecting surface which are flat surfaces, wherein included angles between the LED substrates and the horizontal reflecting surfaces are 10-45 degrees, included angles between the first reflecting surfaces and the horizontal reflecting surfaces are 95-120 degrees, and the supplementary angles of included angles between the third reflecting surfaces and the horizontal reflecting surfaces are 15-30 degrees. The LED anti-dazzling ceiling lamp has the advantages of good anti-dazzling effect, high luminous efficiency, energy saving and consumption reduction.

Disclosed are a conical laser intensity testing device and testing method. The conical laser intensity testing device comprises a focus fixing cover, a collimating mirror, an attenuation plate, a scatter plate, an integrating sphere receiver, a power meter probe or energy meter probe and display equipment. The focus fixing cover is arranged on the focal plane of the collimating mirror. The attenuation plate and the scatter plate are sequentially arranged on a light path where reflected light reflected by the collimating mirror is located. The attenuation plate and the scatter plate are sequentially arranged outside and inside the integrating sphere receiver respectively. The power meter probe or energy meter probe is arranged on the side wall of the integrating sphere receiver. The display equipment is connected with the power meter probe or the energy meter probe. The conical laser intensity testing device and testing method are high in testing precision.

The invention discloses a high-stability optical fiber laser comprising a beam combiner arranged in a resonant cavity. The first conical section of the pumped fiber and the coupling region on the signal fiber are fused and coupled to form the beam combiner. The gain fiber in the resonant cavity absorbs the pump light transmitted by the pumped fiber into the resonant cavity through the beam combiner so as to form laser to be outputted. The beam combiner is arranged in the resonant cavity so that the excessively high power pump light can be prevented from being directly injected into the fiber grating, the stability of the laser can be enhanced and the single resonant cavity laser is enabled to output the laser of higher power. Compared with the end surface pump technology, the pump fiber and the side surface of the signal fiber are fused and coupled and the signal insertion loss is almost zero so that the pump efficiency can be greatly enhanced, the heat generated in coupling can be significantly reduced, the optical-to-optical conversion efficiency of the laser can be enhanced, high power output of the optical fiber laser can be guaranteed and the stability of the optical fiber laser can be further enhanced.

The invention provides a ventilator. The ventilator is characterized in that a diffuser (3) is installed on the inner side of a front panel (1), the diffuser (3) and the front panel (1) form a container (5), and a light-emitting part (4) is arranged in the container (5); the edge of a back panel (2) extends out an extending portion (21), an air inlet is formed between the front panel (1) and the edge of the extending portion (21), an air inlet channel is formed between the diffuser (3) and the extending portion (21), light emitted by the light-emitting part (4) reflects on the inner wall of the extending portion (21), and the reflected light is emitted from the air inlet. According to the ventilator, the air inlet channel is also an emitting channel of the reflected light of a light source, the air inlet channel and the emitting channel of the reflected light of the light source are combined to be one, the lighting light source is avoided from shooting in human eyes directly, and the experience of a user is improved.

A multifunctional mobile shed, comprising: the upper and lower bottom surfaces of the shed body are both circular, and ventilation holes are opened on the upper and lower side walls of the shed body, and the ventilation pipe passes through and is fixed at the ventilation hole. There are sheep beds spliced ​​in the shed, and the bed surface is located above the ventilation pipe at the lower part of the shed body. There is a ring door on the shed body, and slope steps are placed on the ground outside the ring door; The big top is in the shape of a round platform, its lower bottom is connected with the top surface of the shed body, the middle part of the upper bottom surface of the big top protrudes upwards from the neck, the upper part of the neck is covered with an umbrella-shaped spire, and the side wall of the neck is provided with ventilation holes; Both the roof and the walls of the shed consist of three layers, from the outside to the inside: a rainproof layer, an insulation layer and a protective layer. The invention avoids strong external light directly entering the shed by setting the ventilation pipe at the ventilation hole, thereby effectively reducing the light in the shed under the premise of ventilation, and providing necessary conditions for scientifically increasing the output of cashmere.