50results about How to "Easy to observe the results" patented technology

The invention belongs to the technical field of information processing, and discloses a sleep monitoring method and system, a storage medium, a computer program and a device. The method comprises thefollowing steps: initializing a FreeRTOS operating system, an IO port, a clock, WiFi, Bluetooth and an analog-to-digital converter; performing digital-to-analog conversion on the three paths of electroencephalogram signals, the two paths of electro-oculogram signals and the one path of electromyogram signal in sequence to obtain corresponding digital signals; judging whether the number of the acquired signal groups is full of the WiFi data packets, if not, directly sending Bluetooth data, and if so, sending the WiFi data, emptying the WiFi data packets and then sending the Bluetooth data packets; and carrying out digital-to-analog conversion on the data, alternately sending the data, and repeating until shutdown. The system comprises a physiological signal acquisition module, a physiological signal preprocessing module and a physiological signal analysis module. According to the invention, the sleep state of the user can be accurately and scientifically monitored, and the sleep qualitycondition of the user can be timely reported after WeChat applet processing.

A method of accelerating sample treatment with addition of graphene belongs to the technical field of biological sample treatment and pathology. The invention particularly relates to the method of accelerating a sample treatment process with addition of graphene, by that the required time of the sample treatment process, such as dehydration, fixation, staining and the like. The method mainly solves a problem of a poor reliability of results since excessive long time of operation of sample treatment is required so that the sample in not fresh enough in the prior art. In the technical scheme, theoretical innovation of combining the new material, graphene, with the sample treatment is disclosed, namely, by means of the characters of adsorbing various atoms and molecules and being high in specific surface of the graphene, the sample treatment process is accelerated by carrying active components rapidly into the samples such as tissue, blood, cell and microorganisms and the like. The method is mainly used in treatment of various samples in clinical and scientific fields, comprising fixation, staining, blue returning, dehydration, transparence and sealing and the like on tissue samples (such as human, animal or plant samples) and fixation, staining and sealing and the like on samples such as blood, cells and microorganisms and the like.

The invention discloses a brake pad double-sided wear resistance detection device, and further discloses a detection method of the brake pad double-sided wear resistance detection device. The device comprises a detection mechanism and a friction mechanism, and the two sides of the detection mechanism are movably connected with the friction mechanism; according to the device, after a rotating rod reaches the set rotating times, a servo motor is turned off and a lifting column is lifted; meanwhile, a gear motor is started to drive a rotating shaft to rotate an upper clamping frame to a certain angle; after the device is used for abrading the front surface of the brake pad, the gear motor rotates to drive the rotating shaft, the reverse side of the brake pad is convenient to face upwards forreverse side abrasion test; after an arc-shaped grinding block makes contact with the front surface of the brake pad, an air cylinder drives a push rod to reciprocate, the friction state of the brakepad under a real state is simulated, so that wear resistance test is carried out on the brake pad, double-sided wear resistance detection is conducted by means of the two test results, and compared with a traditional brake pad single-side wear resistance detection mode, the detection in the invention is more comprehensive, and the safety coefficient is higher after the brake pad is detected.

The invention relates to a visual rapid detection method for canine distemper viruses. According to the detection method, on the basis of fusion of an immunochromatography technique and molecular biology means and through combination of LAMP which is high in amplification efficiency and lateral flow dipstick which is convenient for result observation, a detection result is more intuitive; the detection method has the characteristics of being visual, rapid in diagnosis, accurate and the like; shortcomings of conventional detection methods which are complex in operation, low in sensitivity and low in specificity can be overcome; and the detection method provided by the invention is applicable to fields of clinical diagnosis, food safety, animal disease detection and the like.

The invention discloses a trichomonad nested PCR detection kit and a preparation method. A primer is designed according to a part of conserved sequences of 16S rRNA genes of trichomonad and trichomonas hominis daraine, a specific nested PCR detection method is established, the sensitivity and accuracy of the detection method are improved by optimizing the concentration of the magnesium <2+> involved in PCR reaction, annealing temperature and other reaction conditions, and result is convenient and quick to observe after an amplification prdocut is subjected to 1.0% agarose gel electrophoresis. The trichomonad and the trichomonas hominis daraine can be rapidly detected only by using one nested PCR primer, and the trichomonad nested PCR detection kit has the advantages of being simple in operation, high in high sensitivity, good in specificity and the like.

The invention provides a diaper with a detection function. The diaper comprises a diaper cover and an absorber, wherein the diaper cover comprises a rear waist part, a crotch part and a front waist part in sequence, and the absorber is arranged on the inner side of the diaper cover; first bonding tapes are arranged at two ends of the bottom of the absorber, and corresponding second bonding tapes are arranged on the inner sides of two ends of the diaper cover; the absorber comprises a surface layer, a flow guide layer, an absorber core and a transparent breathable bottom film in sequence; a flow guide groove is formed in the absorber core and runs through the absorber core; detection test paper is arranged under the flow guide groove. According to the diaper with the detection function, the test paper and the diaper are combined, so that safe, convenient and noninvasive conventional detection can be realized.

The invention discloses a small device for blood type detection, which utilizes a micro direct current motor to drive a bar-shaped magnet fixed on a rotating shaft of a micro direct current motor to rotate, iron beads in a microwell plate are driven via magnetic force to rotate, so that reagents and cells in the microwell plate are fully and uniformly mixed, and micro-centrifugation effect is achieved. The device does not need to be connected with an alternating-current power supply, and can be used for detecting various blood type systems such as ABO, Rh and the like; the device is suitable for being used in environments without large instruments or power supplies, such as field operations, sudden public health events, mobile laboratories and the like. According to a blood type detectionmethod, plasma and red blood cells are rapidly separated by using a filter, blood type detection is carried out by using a microporous plate as a carrier, and antigen and antibody reactions are promoted through rotation of iron beads. The microwell plate can be capped and sealed; compared with an existing detection method from the aspect of biosafety, the blood type detection method is advantageous in that aerosol does not overflow in a detection and interpretation process, especially in some infectious disease epidemic periods; workers can be efficiently protected against harm of pathogenic microorganisms via the small device for blood type detection and the blood type detection method..

The invention provides a laser processing and real-time in-situ high-resolution observation device of a micro-nano structure, which comprises a laser, a CCD (Charge Coupled Device) camera and a light source, the laser is focused on a sample through a laser processing light path, and the light source obliquely irradiates the sample through an illumination light path and is reflected into the CCD camera through a microscopic imaging light path; a laser beam sequentially passes through an electronic shutter, a gradual-change neutral optical filter, a long-focus lens, a reflecting mirror group, a dichroscope and a microobjective and is focused on a sample, so that a laser processing light path is formed; illumination light sequentially passes through the short-focus lens, the beam splitter, the dichroscope and the microscope objective and obliquely irradiates a sample to form an illumination light path; illuminating light reflected by the sample sequentially passes through the microscope objective, the dichroscope and the beam splitter and enters the CCD camera, and a microscopic imaging light path is formed. Short-wavelength illumination light is adopted on an illumination light path, the imaging quality is improved in a mode of illuminating a sample in an oblique incidence mode, and in-situ observation on the surface of a material in the machining process is achieved.

The invention discloses a cell lysis reagent containing a graphene oxide component. The reagent can achieve mild and complete lysis of cells by utilizing excellent properties of graphene oxide. The defect that a common mechanical lysis method for lysis of cells is not suitable for large-batch detection is overcome, and the defect that a cell lysis solution on the market is inconvenient to operateis overcome. According to the method, an isotonic solution cooperates a the buffer solution to replace unstable guanidine salt, and a graphene oxide solution is added into the reagent, so that the lysis process of sample cells can be accelerated under the condition that a sample is not obviously damaged, the sample treatment time is shortened, experimental treatment is facilitated, and the reliability of sample detection is guaranteed. The improved cell lysis reagent disclosed by the invention has the advantages of mild conditions, sufficient cell lysis and simplicity and convenience in operation.

The invention discloses a double-PCR (polymerase chain reaction) detection kit and method for giardia and cryptosporidia of sheep. According to parts of conserved sequences of giardia duodenalis TPI genes and cryptosporidium parvum 18S rRNA genes, a primer is designed, a double-PCR detection method is built, sensitivity and accuracy of the method are improved by optimizing reaction conditions suchas annealing temperature of PCR reaction, amplification products are implemented by 1.0% of agarose gel electrophoresis, and a result is conveniently and rapidly observed. Distinguishing of fragmentswith different targets is one of keys of building the double-PCR detection method, two target fragments amplified by the method have size differences in agarose gel electrophoresis and are easily distinguished, the sensitivity can reach 1*10<3>/g and is higher than that of a reported microscopy method and a conventional PCR detection method of giardia duodenalis and cryptosporidium parvum, and the method is suitable for detection of samples in clinical practice. The detection method can simultaneously and rapidly detect the giardia duodenalis and the cryptosporidium parvum of the sheep and has the advantages of simplicity in operation, high sensitivity, high specificity and the like, and technical support is provided for quality standards of real experiment sheep.

The presnet invention relates to a high-precision gravireceptor and relates to geoscience observation technigue, in particular, it is suitable for use in solid tide research and observation of preearthquake warning signs. It is composed of machine main body, thermostat, micrometer, and collector. We use vertical hanging elastic system, double layer thermostat and feedback temperature control and three piece type capacitance micrometer. Advantages are: simple structure, high sensitivity and high precision.