Agent for preventing and treating colletotrihum gloeosporioides and preparation method thereof

The invention discloses an agent for preventing and treating colletotrihum gloeosporioides and a preparation method thereof. The agent contains 20-50 parts by weight of chloro-bromo-isocyanuric acid, 40-50 parts by weight of tricyclazole and 10-30 parts by weight of inert wettable filler. The preparation method of the agent comprises the following steps: respectively weighing the chloro-bromo-isocyanuric acid, the tricyclazole and the inert wettable filler in parts by weight, respectively grinding the chloro-bromo-isocyanuric acid, the tricyclazole and the inert wettable filler by a grinder, sieving the chloro-bromo-isocyanuric acid, the tricyclazole and the inert wettable filler by a 200-mesh sieve, uniformly mixing the chloro-bromo-isocyanuric acid, the tricyclazole and the inert wettable filler in a mixer, and performing quantitative packaging. The agent for preventing and treating the colletotrihum gloeosporioides can be prepared into 50-500 times solution to be sprayed to the back ...

Method for assembling microwire electrode array by using silicon array hole

The invention relates to an assembling technology of a microwire electrode array, in particular to a technology of assembling a microwire electrode by using a silicon array hole. By adopting a common photoetching and chemical anisotropic etching method, the silicon array hole with high precision, low cost and controllable aperture and layout way can be manufactured, and the two-dimensional or thethree-dimensional assembling of the microwire electrode is finished through the fixation of epoxy resin. The method is suitable for the assembly of the small-size microwire electrode array and the device encapsulation, and the array hole can be customized according to the radius, spacing and layout way, and the like of the microwire.

System for monitoring intraocular pressure

The invention discloses a system for monitoring intraocular pressure. The system comprises a wireless pressure sensor and a portable signal receiving processor, wherein the wireless pressure sensor is implanted below the conjunctiva of limbus cornea and is directly contacted with an episcleral tissue; the pressure sensor comprises a flexible microelectrode array and a signal processing and transmitting unit; the flexible microelectrode array is used for sensing the impedance change of the surface of the episcleral tissue; the signal processing and transmitting unit is used for converting the impedance change into a voltage signal and processing and sending out the voltage signal; and the signal receiving processor is used for receiving the signal and analyzing and fitting the signal to acquire a numerical value of the intraocular pressure and storing and displaying the numerical value. The system for monitoring the intraocular pressure can automatically and continuously monitor the intraocular ...

Invasive inclined needle skin-painless dry electrode device for recording electro-physiological signals for long term

The invention relates to an invasive inclined needle skin-painless dry electrode device for recording electro-physiological signals for a long term, comprising an electrode base and a plurality of micro needle bodies, wherein the electrode base is round, elliptical or polygonal; and the micro needle bodies comprise front ends and rear ends, are fixed on the electrode base at a preset angle and distributed in a spiral matrix. The structure changes the traditional directly-inserted needle-shaped dry electrode structure, increases the contacted area of an electrode and the skin, and can reduce the contact impedance and improve the quality of extract electro-physiological signals. The structure can insert in a precession way, is beneficial to controlling the inserting depth and cannot cause testers with thin epidermis to generate pain feeling. The micro array of the structure has a certain angle, is free from influencing the insertion and can prevent a skin dry electrode from dropping off.

Stewartia sinensis herba lycopi vinegar liquid and preparation method thereof

The invention discloses a stewartia sinensis herba lycopi vinegar liquid and a preparation method thereof, belonging to the technical field of development and research of plant source pesticide. The preparation method of the stewartia sinensis herba lycopi vinegar liquid comprises the following steps: cutting stewartia sinensis herba lycopi into short sections, adding the sections into a dry distillation kettle, heating the dry distillation kettle, condensing, collecting all distillates at the temperature of 90-300 DEG C and collecting liquid of the stewartia sinensis herba lycopi vinegar liquid of the invention at 12h+/-20min. The stewartia sinensis herba lycopi vinegar liquid has an effective nematode-killing activity against plant nematodes, and the plant nematode killing effect of liquid with 25-150 times of the vinegar liquid can reach 70-100%. The preparation method has simple technique; and compared with methods of extracting by organic solvents, the preparation method has the advantages ...

Method for performing deep etching on silicon dioxide by taking photo-resist as mask

The invention discloses a method for performing deep etching on silicon dioxide by taking photo-resist as a mask. The method comprises the following steps of: 1, preparing a photo-resist mask on the surface of a silicon dioxide sample; 2, heating the photo-resist mask in a gradient mode to harden the mask; and 3, etching the silicon dioxide sample by an ICP dry method. The method for performing the deep etching on the silicon dioxide by taking the photo-resist as the mask has the advantages of simple and fast process, high selection ratio, capability of achieving an etching depth of 25 microns, good etching appearance, steep side wall and the like.

Method for assembling microwire electrode array by using silicon array hole

The invention relates to an assembling technology of a microwire electrode array, in particular to a technology of assembling a microwire electrode by using a silicon array hole. By adopting a common photoetching and chemical anisotropic etching method, the silicon array hole with high precision, low cost and controllable aperture and layout way can be manufactured, and the two-dimensional or the three-dimensional assembling of the microwire electrode is finished through the fixation of epoxy resin. The method is suitable for the assembly of the small-size microwire electrode array and the device encapsulation, and the array hole can be customized according to the radius, spacing and layout way, and the like of the microwire.

Flexible substrate-based micro-needle array for subcutaneous medicament injection and preparation method thereof

The invention provides a flexible substrate-based micro-needle array for subcutaneous medicament injection. The micro-needle array comprises a substrate made of a flexible material, wherein the substrate comprises a flexible surface layer and a flexible back layer of which the peripheries are fixed; a chamber is formed between the flexible surface layer and the flexible back layer; a plurality of micro-needles are embedded in the flexible surface layer in the substrate; the middle of each micro-needle is provided with a micropore; and the micropores are communicated with the chamber of the substrate so as to form a fluid passage.

Method of passive alignment by using photo mask plate

The method for making passive alignment by utilizing photomask plate is characterized by that said method includes the following steps: (a). adopting photomask plate extensively used in photoetching process as alignment scale, and utilizing fine and accurate mark pattern on the photomask plate as alignment mark; (b) making two devices required for alignment be respectively aligned with mark pattern previously made on same photomask plate, and fixing them relatively to photomask plate; and (c). then transferring said two devices whose relative positions are fixed onto the assembly base or circuit board, fixing them, removing the photomask plate and implementing alignment.

System and method for realizing communication by using semiconductor illumination

The invention discloses a system for realizing communication by using semiconductor illumination, comprising optical signal transmitting equipment (1) and optical signal receiving equipment (2). The optical signal transmitting equipment (1) can be used for transforming the data to be transmitted into the optical signal. The optical signal receiving equipment (2) can be used for transforming the optical signal transmitted by the optical signal transmitting equipment (1) into the electrical signal and displaying the electrical signal. The invention also discloses a method for realizing communication by using semiconductor illumination. Because the high-speed communication is simultaneously realized by adjusting the white light emitting diode (LED) to illuminate, the requirements for transmitting the texts, the pictures, the audio, the video and the control signals of the printer, the air conditioner, the refrigerator and the like are met.

Method for producing skin dry electrode

The invention relates to the technical field for processing an electrode sensor used for detecting physiological signals and discloses a method for manufacturing a dry skin electrode; the method includes the following steps: A. selecting a metal sheet with certain thickness, cutting the selected metal sheet into blocks and polishing the surface of the blocks of the metal sheet; B. processing the polished metal sheet blocks, and forming a base and an electrode mast array which are positioned on the base, and the electrode mast array is arranged on the base; C. forming an electrode head at the top end of every electrode master in the electrode mast array by processing; D. plating gold or titanium on the surface of the electrode mast array; E. pasting the base of the electrode on an amplifier; F. arranging a layer of electrically conductive silicone rubber which is sheathed and embedded with the electrode mast array between the electrode head and the base. By adopting the invention, the dry ...

Parallel light-emitting module using self-focusing lens array and making method thereof

The invention discloses a parallel light emitting module using self-focusing lens array, comprising: a high frequency PCB, one end formed with a signal input port of plated spile structure; a vertical cavity surface emission laser array, directly integrated on the high frequency PCB by upside down mounting welding technique; a self-focusing lens array, able to smoothen the light beams emitted from the lasers and continuously converge them to specified connection pointof an optical fiber array, the lens array and the vertical cavity surface emission laser array are directly bond with each other after aligned, actively; a driving circuit chip, directly integrated on the high frequency PCB in a naked-chip form by upside down mounting welding technique; the vertical cavity surface emission laser array is connected with the driving circuit chip through the microbands on the high frequency PCB, and they compose the plugging parallel light emitting module by the plugging packaging technique.

System for monitoring intraocular pressure

The invention discloses a system for monitoring intraocular pressure. The system comprises a wireless pressure sensor and a portable signal receiving processor, wherein the wireless pressure sensor is implanted below the conjunctiva of limbus cornea and is directly contacted with an episcleral tissue; the pressure sensor comprises a flexible microelectrode array and a signal processing and transmitting unit; the flexible microelectrode array is used for sensing the impedance change of the surface of the episcleral tissue; the signal processing and transmitting unit is used for converting the impedance change into a voltage signal and processing and sending out the voltage signal; and the signal receiving processor is used for receiving the signal and analyzing and fitting the signal to acquire a numerical value of the intraocular pressure and storing and displaying the numerical value. The system for monitoring the intraocular pressure can automatically and continuously monitor the intraocular ...

Invasive inclined needle skin-painless dry electrode device for recording electro-physiological signals for long term

The invention relates to an invasive inclined needle skin-painless dry electrode device for recording electro-physiological signals for a long term, comprising an electrode base and a plurality of micro needle bodies, wherein the electrode base is round, elliptical or polygonal; and the micro needle bodies comprise front ends and rear ends, are fixed on the electrode base at a preset angle and distributed in a spiral matrix. The structure changes the traditional directly-inserted needle-shaped dry electrode structure, increases the contacted area of an electrode and the skin, and can reduce the contact impedance and improve the quality of extract electro-physiological signals. The structure can insert in a precession way, is beneficial to controlling the inserting depth and cannot cause testers with thin epidermis to generate pain feeling. The micro array of the structure has a certain angle, is free from influencing the insertion and can prevent a skin dry electrode from dropping off.

High-efficiency environmental-protection Tuckahoe cultivation method

The invention relates to a high efficiency environmental protection method for culturing tuckahoe, which belongs to the technical field of medicinal (edible) fungus culture. The method comprises the following steps: a, selecting a pine lateral branch with the diameter of between 3 and 10cm to prepare circular or polygonal slices; immersing the slices in water for 12 hours, taking out the slices and draining off the water, and controlling the water content to 70 percent; then packaging the slices into an edible fungus culture bag; carrying out the sterilization for 12 hours at the room temperature or for 2 hours at 120 DEG C, and carrying out the inoculation when the temperature inside the bag is reduced to 25 DEG C; carrying out the culture at 25 DEG C for 30 days for standby; b, selecting a culture wood billet, digging a pit, and carrying out the sterilization; c, placing the culture wood billet into the sterilized pit, taking out the tuckahoe culture seed prepared in the step a, and nailing ...

Flexible probe electrode used for recording electric signal of neural activity and implanting tool thereof

The invention discloses a flexible probe electrode used for recording an electric signal of a neural activity. The flexible probe electrode comprises a flexible substrate, electrode sites, metal wires, lead welding spots and flexible insulating layers, wherein both the electrode sites and the metal wire are arranged on the flexible substrate; each electrode site is connected to a corresponding lead welding spot through led metal wires; and the flexible insulating layers are arranged on the surfaces of the metal wires instead of being arranged at the electrode sites and the metal welding spots. The invention also discloses an implanting tool for inserting the flexible probe electrode into tissues. Through the implanting tool, the electrode has a high flexibility and biocompatibility and the tissue damage is reduced, so that the long-term working stability of the electrode is ensured, the problem that the own hardness of the flexible electrode cannot satisfy an inserted hardness is solved ...

Complementary metal oxide semiconductor (CMOS) physiological signal amplifier adopting T-type capacitance network feedback structure

The invention provides a complementary metal oxide semiconductor (CMOS) physiological signal amplifier adopting a T-type capacitance network feedback structure, comprising an inverting input coupling capacitor, a non-inverting input coupling capacitor, a feedback network, an operational amplifier, a balance network and an output capacitor CL, wherein an inverting input end of the operational amplifier is connected with the inverting input coupling capacitor and a non-reverting input end of the operational amplifier is connected with the non-inverting input coupling capacitor; an input end of the feedback network is connected with the inverting input end of the operational amplifier, and an output end of the feedback network is connected with an output end of the operational amplifier; theoutput capacitor CL is connected with the output end of the operational amplifier; and an input end of the balance network is connected with the non-inverting input end of the operational amplifier.

Method for producing skin dry electrode

Application of eupatorium adenophorum vinegar liquid as plant nematocide

The invention discloses an application of eupatorium adenophorum vinegar liquid as plant nematocide, belonging to the technical field of botanical pesticide research and development. The eupatorium adenophorum vinegar liquid is prepared by the following method: cutting the eupatorium adenophorum into small sections to be added into a retort; heating the retort 1; condensing and collecting all fractions at the temperature of 90 DEG C-300 DEG C under normal pressure; and obtaining the collected liquid, namely the eupatorium adenophorum vinegar liquid. The application of the eupatorium adenophorum vinegar liquid as plant nematocide shows that: the eupatorium adenophorum vinegar liquid has highly effective nematicidal activity to plant nematodes, and the nematocide effect of 150-25 times of the eupatorium adenophorum vinegar liquid can achieve 70% to 100%.

Silicon V-shaped trough plate and method for assembling microfilament electrode array by using the silicon V-shaped trough plate

A V-shaped silicon frid is characterized in that the V-shaped silicon frid comprises a silicon bottom board which is a cuboid, a groove with one end part pierced is opened at one side of the upper face of the silicon bottom board, and a plurality of V-shaped grooves are opened longitudinally at the other side of the groove. The V-shaped silicon frid is convenient for obtaining the convenient and controllable configuration and location of the electric pole, the produced array of electric pole is planted in a cerebral cortex to extract nerve electrical signals.

大规模光电集成RCE探测器面阵器件

A planar array device of large-scale integrate photoelectric RCE detector is composed of many same units and each unit consists of GaAs-base optical detector and Si-base post-processing circuit. It is sequentially composed of a substrate, a Bragg reflector, a multi-quantum-trap optical absorption region, a high reverse Bragg reflector, positive electrode with an In post, negative electrode with an Im post, and a Si-base post-processing chip welded to positive electrode and negative electrode.