A pharmaceutical composition for treating angiocardiopathy and the method of producing thereof

Preparation method of copper-based suspended sample stage used for ultrahigh resolution fluorescence imaging

The invention relates to a preparation method of copper-based suspended sample stage used for ultrahigh resolution fluorescence imaging, and relates to the technical field of ultrahigh resolution fluorescence imaging, in particular to the manufacturing of a copper foil base graphene sample stage. A micron-sized aperture is etched by utilizing a focused ion beam on a copper foil base where graphene is grown, and a chemical method is combined to protect a suspended graphene layer, so that a fluorescence sample is placed on the graphene layer. When the sample stage is used, a light spot of a smaller local area in a near field can be obtained by using a surface plasma lens to focus and compress an incident laser beam, and the light spot can penetrate through the ultrathin graphene layer to irradiate the sample and stimulate fluorescence. By using the copper-based suspended graphene sample stage and a corresponding surface plasma lens focusing mode, unnecessary background scattering can be reduced ...

Lamp fixing device capable of adjusting illumination angle and lamp

The invention relates to a lamp fixing device capable of adjusting an illumination angle and a lamp. The lamp fixing device comprises a fixing seat, a first adjusting disc and a second adjusting disc, wherein the fixing seat is used for connecting a lamp holder; the first adjusting disc is arranged on the fixing seat and is provided with a first serrated face; and the second adjusting disc is provided with a second serrated face. Teeth capable of coinciding with one another to lock the lamp at different illumination angles are arranged on the first and second serrated faces; an adjusting bolt sequentially passes through the second adjusting disc, the first adjusting disc and the fixing seat; a nut is arranged at one end of the adjusting bolt, which runs through the fixing seat; a gap is reserved between the nut and the fixing seat; and a spring used for jacking the fixing seat and the first adjusting disc and making the first serrated face fitted with the second serrated face is arranged ...

Lamp fixing device capable of adjusting illumination angle and lamp

The invention relates to a lamp fixing device capable of adjusting an illumination angle and a lamp. The lamp fixing device comprises a fixing seat, a first adjusting disc and a second adjusting disc, wherein the fixing seat is used for connecting a lamp holder; the first adjusting disc is arranged on the fixing seat and is provided with a first serrated face; and the second adjusting disc is provided with a second serrated face. Teeth capable of coinciding with one another to lock the lamp at different illumination angles are arranged on the first and second serrated faces; an adjusting boltsequentially passes through the second adjusting disc, the first adjusting disc and the fixing seat; a nut is arranged at one end of the adjusting bolt, which runs through the fixing seat; a gap is reserved between the nut and the fixing seat; and a spring used for jacking the fixing seat and the first adjusting disc and making the first serrated face fitted with the second serrated face is arranged ...

Husk crushing and sorting system for walnuts and sorting technology

The invention relates to a husk crushing and sorting system for walnuts and a sorting technology. The husk crushing and sorting system comprises a hammering type husk crushing machine, a centrifugal husk crushing machine, a winnowing machine, a rolling filtering screen and a photoelectric color selector, wherein the centrifugal husk crushing machine is arranged between the hammering type husk crushing machine and the winnowing machine; the hammering type husk crushing machine, the centrifugal husk crushing machine, the winnowing machine, the rolling filtering screen and the photoelectric color selector are connected through a conveying belt; the rolling filtering screen is connected with a material feeding hopper of the centrifugal husk crushing machine through a backflow conveying belt. The sorting technology for the walnuts comprises the specific steps: performing pretreatment, boiling and air-drying; performing husk crushing including hammering type husk crushing and centrifugal husk ...

Array light spot generator and generating method

The invention relates to an array light spot generator. The array light spot generator generates two-dimensional orthogonal array light spots at a special diffraction distance after incident coherent planar lights are diffracted by a diffraction optical element, and is characterized in that the diffraction optical element is a two-order pure-phase plate which is composed of elements in same size and in close arrangement, wherein each element is in binary phase distribution, and each element has such a structure that a rectangular light through hole is added in one quadrate light through hole; relative displacement exists between the center of each rectangular light through hole and the center of each quadrate light through hole; the specific diffraction distance is relevant to the wavelength of the incident light, the width of each element and a compression ratio. The array light spot generator is simple in structure, easy to process and copy, relatively low in cost, and suitable for multiple ...

Supporting device with adjustable supporting height and lamp fitting

The invention relates to a supporting device with the adjustable supporting height and a lamp fitting. The supporting device with the adjustable supporting height comprises a supporting rod, a fixed frame and a tension spring, wherein the fixed frame is used for connecting objects, a supporting rod installing plate is arranged on the fixed frame, the support rod can be correspondingly and glidingly penetrated and arranged in the supporting rod installing plate, one end of the tension spring is fixedly connected with the tail end of the supporting rod, the other end of the tension spring is fixedly connected on the fixed frame, a locking device is arranged on the fixed frame, the locking device can tightly lock the fixed frame on the supporting frame after the fixed frame is regulated to apreset supporting height, the supporting rod can slide in the supporting rod installing plate for tensioning the spring, and the regulated supporting height is controlled through controlling the sliding ...

LED control system and method thereof

The invention relates to an LED control system and method, and belongs to the technical field of LEDs, and the system comprises an illumination intensity sensor which is used for detecting illumination intensity and sending illumination information to a controller, and the illumination information comprises the illumination intensity; the infrared sensor is used for detecting the activity time of people and sending infrared information to the controller, and the infrared information comprises the activity time of people; and the controller is used for receiving the illumination information and the infrared information for operation, and automatically turning on or turning off the LED and adjusting the brightness of the LED according to the operation result. According to the invention, the LED is automatically turned on and off and the brightness of the LED is adjusted based on the illumination intensity and the human activity time, that is, the LED is automatically adjusted according to ...

Copper-based graphene carrier table mechanical adjusting system for carrying fluorescent sample

The invention relates to a copper-based graphene carrier table mechanical adjusting system for carrying a fluorescent sample. The copper-based graphene carrier table mechanical adjusting system comprises a main lens barrel, a supporting frame, a fluorescent detection objective lens, a cylindrical barrel, a movable block, a screw I, a two-dimensional manual adjusting frame, copper-based suspension graphene carrying the fluorescent sample and a spring; a fixed block is arranged at the top end of the main lens barrel, the bottom end of the main lens barrel is connected to the top end of the fluorescent detection objective lens, the bottom end of the main lens barrel is fixedly connected with the supporting frame, the two-dimensional manual adjusting frame is fixedly connected with the supporting frame, a cylindrical barrel is arranged in the middle of the two-dimensional manual adjusting frame, the cylindrical barrel sleeves the fluorescent detection objective lens, the bottom end of the cylindrical ...

Method for generating annular non-flat-topped beam by superposing modified multi-Gaussian beams

The invention provides a method for generating an annular non-flat-topped beam by superposing modified multi-Gaussian beams, and relates to the technical fields of laser shaping and focusing, and can solve the problem that the size of a focusing light spot decreases because the conventional annular beam has uniformly distributed light intensity in the radial annular width. The light intensity distribution characteristic of the beam is that: the light intensity is stronger at the position closer to the edge, so that the radial modulated non-flat-topped annular beam is obtained. A mathematical model of the beam is designed. Through the model, the beam represented by the model can be generated by a computer generated hologram method. By adjusting parameters of the model, the non-flat-topped annular beam of different modulation characteristics can be obtained. The non-flat-topped annular beam which polarizes in the radial direction is focused by a microscope objective, so that a smaller focusing ...

Radial logarithm spiral phase plate (SPP)

The invention provides a radial logarithm spiral phase plate (SPP) which is applied to generating a confluent hypergeometric beam. The radial logarithm SPP is the SPP that the phase modulation changes spirally along the azimuth angle direction, and along the radial logarithm change direction. The SPP is formed by the following steps: drawing a high-resolution grayscale image based on a phase expression program; copying the grayscale image to a reversal film by a photoetching method and then copying to a holographic plate by an exposure method; and developing, fixing and bleaching to obtain the SPP with refractive index and thickness modulation. The confluent hypergeometric light beam can be generated by incidence of a Laguerre-Gaussian beam on the radial logarithm SPP.

Fluorescence detection method of potassium ion

The invention discloses a fluorescence detection method of a potassium ion. The specific DNA (5'-GGGTTAGGGTTAGGG TTAGGG-3') of the potassium ion is in an irregular curling state when no potassium ion exists, fluorescent dye thiazole orange and a G-rich sequence are acted to generate very strong fluorescence, after the potassium ion is added, the specific DNA of the potassium ion forms a G tetrahedral structure, and the fluorescence is decreased. The fluorescence detection method disclosed by the invention not only has high sensitivity and better specificity, but also is simple and rapid, and the whole process can be completed in five minutes.

Multidirectional joint of combined material

The utility model belongs to aviation machinery especially involves a multidirectional joint of combined material who kind is applicable to double -layered core structure, constitutes by the connector unit, connector unit 1 is U type structure. The utility model discloses the connection of a plurality of double -layered core structure more than the whole multidirectional joint of combined material is applicable to two (containing) has been solved original combined material and has been pressed from both sides the unicity problem that the core structure was used, has widened combined material and has pressed from both sides the application range of core structure. This connects through a plurality of U type modular constructions and presss from both sides the cooperation splicing between the core structure, has finally formed independent having and has born / pass the whole structural style who carries, has fully improved combined material's the efficiency of utilizing.

Universal remote controller of home network

The invention provides a universal remote controller of home network, which is capable of controlling and monitoring home appliances and digital equipment through the home network. The remote controller consists of a base and a hand-held infrared remote controller, wherein the base can be connected with various home networks, the hand-held infrared remote controller can be arranged on the base or be separated from the base to work independently, and mutual connection and data exchange between the hand-held infrared remote controller and the home appliances as well as the digital equipment can be realized through a home gateway, thereby achieving controlling and monitoring on the home appliances as well as the digital equipment. The remote controller also comprises an independent external monitoring module which can be inlaid into the home appliances or the digital equipment, and telecontrol and monitoring on the home appliances as well as the digital equipment can also be achieved through ...

LED highbay light fixture

Fluorescence detection method of cysteine

The invention discloses a fluorescence detection method of cysteine. In the method, mercury ion specific DNA (mismatching of 7 pieces of thymine-thymine) is in a random curled state without the presence of mercury ions; after the mercury ions are added, a thymine-Hg2<+>-thymine (T-Hg2<+>-T) complex is formed, so that the mercury ion specific DNA has a hairpin-shaped structure; fluorescent dye Sybr Green I, which can be combined with double-chain DNA to emit light and has high fluorescence intensity, is added; and amino acids to be tested are added, when the cysteine is detected, the cysteine and the mercury ions can form a more stable complex, so that the mercury ions can be extracted from the T-Hg2<+>-T complex, the hairpin-shaped structure unwinds, the fluorescence intensity is reduced, and other amino acids cannot cause the change of the fluorescence intensity. The method is high in sensitivity and specificity, simple and quick; and the whole process can be finished within 5 minutes.

Headset earphone capable of eliminating press pain on ear

The utility model discloses a headset earphone which is capable of eliminating press pain on ear. The earphone is characterized in that the provided headset earphone a headrest with a spring head clamp so that the clamping force of the head clamp acts on the head via the headrest, besides, a set of link mechanism is used for adjusting the position of a loudspeaker. Therefore, the press pain on ear caused by overlong time wearing is eliminated.

Method and system for intelligently controlling LED illumination intensity

The invention belongs to the technical field of photoelectric control, and provides a method and system for intelligently controlling the illumination intensity of an LED. The method comprises the steps that an intelligent control system starts a program and initializes the program; the sound-sensitive sensor and the photosensitive sensor respectively collect sound data and illumination data of an external environment at the same time, and transmit the collected sound data and illumination data to the central control unit; the central control unit processes the sound data and the illumination data according to a built-in fuzzy control program, and sends control signals with different pulse widths or different frequencies to the LED illumination driving unit according to a processing result; and the LED illumination driving unit adjusts the magnitude of the output current according to the control signal to realize dynamic control on the LED illumination intensity. According to the external ...

Supporting device with adjustable supporting height and lamp fitting

The invention relates to a supporting device with the adjustable supporting height and a lamp fitting. The supporting device with the adjustable supporting height comprises a supporting rod, a fixed frame and a tension spring, wherein the fixed frame is used for connecting objects, a supporting rod installing plate is arranged on the fixed frame, the support rod can be correspondingly and glidingly penetrated and arranged in the supporting rod installing plate, one end of the tension spring is fixedly connected with the tail end of the supporting rod, the other end of the tension spring is fixedly connected on the fixed frame, a locking device is arranged on the fixed frame, the locking device can tightly lock the fixed frame on the supporting frame after the fixed frame is regulated to a preset supporting height, the supporting rod can slide in the supporting rod installing plate for tensioning the spring, and the regulated supporting height is controlled through controlling the sliding ...

Annular optical tweezers capable of moving cells arbitrarily in field of view of objective and implementation method thereof

The invention discloses a pair of annular optical tweezers capable of moving cells arbitrarily in the field of view of a microscope objective and an implementation method thereof. A phase diagram which is modulated by partition in advance based on the Fourier transform phase shift theorem is loaded to a spatial light modulator through a first computer, and linearly polarized light after phase modulation is imaged to the rear aperture plane of a focusing objective through a 4F imaging system. The objective focuses a phase-modulated linearly polarized laser beam to produce ring spots with diameter accurately adjusted from hundred nanometers to several microns in a focal plane area. When the spatial light modulator continuously loads multiple different phase modulation diagrams, the position of the ring spot correspond to each phase modulation diagram changes little. Thus, the movement of the ring spots is approximately continuous. When a cell sample pool is placed on an object stage in the ...

Glass cleaning and drying device

The invention relates to a glass cleaning and drying device which comprises a conveying assembly used for conveying glass, a cleaning assembly and a drying assembly, the conveying assembly comprises a supporting frame, a conveying roller arranged on the supporting frame and rotationally connected with the supporting frame, and a driving piece arranged on the supporting frame and used for driving the conveying roller to rotate; the cleaning assembly is arranged on the supporting frame and used for cleaning glass, and the drying assembly is arranged on one side, in the glass advancing direction, of the cleaning assembly on the supporting frame and used for drying glass. The glass cleaning and drying device further comprises a pre-cleaning assembly used for cleaning stains on the surface of the glass, and the pre-cleaning assembly is located in front of the cleaning assembly in the glass advancing direction. The conveying assembly conveys glass to move forwards, the pre-cleaning assembly cleans ...