38results about How to "Research intuitive" patented technology

The invention discloses a transparent soil model test device for mining area pile foundation bearing force. The transparent soil model test device comprises a base, a sand box, a transparent soil model box, an electronic scale, a pile body, a loading device, a CCD industrial camera and a laser linear generator. The sand box is arranged on the base. An open hole is formed in the bottom of the sand box. The electronic scale is arranged below the open hole and used for measuring the weight of outflow sand. The transparent soil model box is embedded in the upper portion of the sand box. The bottom face of the transparent soil box is a layer of emulsion film and used for isolating transparent soil from sand soil. The pile body is arranged in the transparent soil. A pile cap is arranged at the pile top. The load is applied to the pile cap. The pile body is provided with marking points for monitoring displacement of the pile body. The laser linear generator is arranged on one side of the test device. By the adoption of the transparent soil model test device, mining subsidence caused by coal mining is simulated through a sand leakage method, so that the mining area earth surface soil mass subsidence process is simulated; and meanwhile, the method can be used for earth surface soil mass horizontal movement or vertical movement caused by similar human engineering activities by changing the sand leakage position and the pore size.

The invention discloses a ping-pong competition information statistical system based on video processing technology. The ping-pong competition information statistical system comprises a competition video real-time acquiring and processing system, a competition data statistics and analysis system and a competition statistical information application system, wherein the three systems support one another and cooperate via an on-site local area network, so as to fulfill acquiring, processing, statistics, analysis and publishing of competition statistical information basic data together. The ping-pong competition information statistical system takes simple operation, and high real-time performance, accuracy and interactivity as technical principles, integrates the functions of competition statistical information acquiring, transmission, processing, saving and the like into a whole body, services ping-pong competition information statistics, and can provide competition statistical information to each player and each trainer of all participating teams quickly and accurately, so that the trainers can visually and conveniently research the application regularities of various technologies of the players in an on-the-spot competition and carry out adjustment promptly.

Provided is a forced vibration damping compound pendulum experimental instrument. A compound pendulum formed by a rigid thin rod, a pendulum bob and an arc pendulum sheet is adopted to serve as a research object of forced vibration. The compound pendulum and a mobile rotating shaft are connected to form a whole body, which is disposed in a mobile rotating shaft box through a bearing. The compound pendulum can freely swing. The mobile rotating shaft box is disposed on a slide block and a linear guide rail. A speed regulation motor pushes and pulls the mobile rotating shaft box by means of an eccentric shaft on a driving wheel and also a connecting rod device, the circular motion of the eccentric shaft on the driving wheel of the motor is transformed to the reciprocating rectilinear motion of the mobile rotating shaft box, and then energy is transmitted for forced vibration of the compound pendulum. Furthermore, a non-contact type magnetic angle sensor is utilized to measure rotation conditions of the driving wheel of the speed regulation motor and the compound pendulum, and measured parameters and a corresponding changing curve are displayed on a colorful liquid crystal screen of an instrument host in a quantified manner.

A damping pendulum serves as a study object of forced vibration, the pendulum which is composed of a pendulum rod which is made of a rigid thin rod and a pendulum bob is suspended on a moving rotating shaft through a central bearing and a bearing sleeve, a driving lever is fixed on the bearing sleeve which is connected with the pendulum rod of the pendulum, and the pendulum rod of the pendulum, the bearing sleeve and the driving lever are connected into a whole. The driving lever penetrates a piston rod lantern ring of an air damping cylinder which is installed above a damping box, and the driving lever drives a piston rod to move back and forth when the pendulum swings. The magnitude of the damping force exerted on the driving lever by the piston rod of the air damping cylinder can be changed by adjusting an air flow valve on the air damping cylinder. An adjustable-speed motor is connected with the damping box through a crankshaft connecting rod system, the moving rotating shaft is driven to conduct reciprocating linear motion in the horizontal direction through a clamping opening below the damping box, and the periodic compulsive force in the horizontal direction is provided for the moving rotating shaft, so that the pendulum obtains energy required for maintaining of the stable forced vibration state.

The invention provides a probe for a scanning probe microscope. The probe is formed by a probe arm and a probe pointer, wherein the probe pointer is formed by a probe pointer body, a film 1, a film 2 and a film 3 which are arranged on the surface of the probe pointer successively; the film 1 is provided with conductivity; the film 2 is provided with electrical insulating properties; the film 3 is provided with magnetism and conductivity or the film 3 is provided with conductivity; the material of the film 1 is different from the material of the film 3; and the film 1, the film 2 and the film 3 form a thermocouple structure. The probe can be used for in-situ representation for magnetism-electricity-heat multi-parameter of multi-function materials so as to visually research the coupling rule and mechanism between electricity-heat, magnetism-heat and magnetism-electricity-heat of the materials in situ.

The invention relates to an AFM(atomic force microscope)-based method for testing the surface roughness of an aggregate. The method comprises the steps of 1) preparing an aggregate test piece; 2) testing the surface roughness of the aggregate in the tapping mode of the AFM; 3) exporting the three-dimensional coordinate information obtained during the test through Nanoescape Analysis; 4) carrying out the validity verification on the contour arithmetic mean deviation Ra of the surface roughness of the aggregate; 5) detecting the distinguishing performance of the surface roughness of the aggregate by adopting an independent sample t in SPSS software. According to the AFM(atomic force microscope)-based method for testing the surface roughness of the aggregate, the AFM is used as a main tool inthe nano technology research and is applied to the fields of new-generation microelectronic chips, optical systems, new materials, bioengineering and the like. In the prior art, less research is conducted on the AFM technology for testing the surface roughness of the aggregate, and the analysis of the surface roughness of the aggregate is very limited. For the research on the surface roughness ofthe aggregate, most of the researchers adopt the fractal theory.

The invention provides a method and a system for testing skid resistance of an asphalt mixture based on a digital image technology. The method comprises the following steps: preparing an asphalt mixture test piece; scanning the test piece by laser to obtain scanning data; acquiring a test piece structure evaluation index; and evaluating the skid resistance according to the structure evaluation indexes. According to the method, the three-dimensional coordinates of the asphalt mixture are obtained through laser scanning, the structure evaluation indexes of the asphalt mixture are calculated, andthe proper structure evaluation indexes are optimized and determined to evaluate the skid resistance of the asphalt mixture. The test method has low sensitivity to the environment; accurate data canbe obtained under various complex conditions, guiding significance is achieved for describing the local pavement microstructure to study the pavement skid resistance, operation is easy, energy consumption is low, the speed is high, a large amount of digital information can be stored in a short time, and study on the surface morphology of the bituminous mixture is visual and high in accuracy.

The present invention relates to an anti-slide pile soil arching effect evolution mechanism visualization model test device and a test method. The device comprises a visualization model box, a loadingdevice, standard sand, two-side baffle plates, a material dropping plate, a loading plate, a steel plate of a replacement pile, a cushion block and a digital camera arranged outside the visualizationmodel box. The method comprises the following steps: by using the loading plate, gradedly acting a load on the soil via the loading plate; rotating a bottom rotating plate to allow the material dropping plate to drop; loading until that the soil in the visualization model box is collapsed and damaged; and separately shooting the image(s) of the standard sand by the side of the visualization modelbox under the loads of all grades in the test process with the digital camera. According to the test device and the test method, the deformation and development law of the soil around the pile underthe action of the external load can be studied more conveniently and intuitively via the visualization model test.

The invention provides a horizontal projectile motion demonstration device for high school physics. The device comprises a rack, a lifting table, a background roller shutter assembly, a ball feeding assembly, a ball serving assembly and a sand table, and the lifting table is arranged on the rack in a lifting mode. The background roller shutter assembly and the ball feeding assembly are arranged onthe upper side of a top plate of the lifting table. The ball serving assembly is arranged on the lower side of a top plate of the lifting table. The ball serving assembly is connected to the lower end of the ball feeding assembly; a roller shutter of the background roller shutter assembly moves up and down between the machine frame and the lifting table, the sand table is arranged on the rack andlocated on the lower side of the roller shutter, a rail at one end of the ball serving assembly extends to one side of the roller shutter, and square paper is detachably arranged on the front side ofthe roller shutter. The horizontal projectile motion demonstration device provided by the invention solves the problems that an existing demonstration device is not visual in physical horizontal projectile motion demonstration process and a horizontal projectile motion path cannot be recorded.

The utility model relates to a device which can record the trajectories such as level throw and obligue throw, belonging to the experimental device field, which comprises an iron plate (1), a lodestone (2), a piece of trajectory record paper (3), a level-throw motion orbit (4), an obligue-throw motion orbit (5) and a liquid injector (6). The utility model has the advantages of simple structure and convenient usage; with the device, the student can research, observe and analyse the trajectories of object motion more intuitively and more clearly; thus the device is suitable for experiments of schools and research institutions with very strong practicability.

The invention discloses a RT-PCR primer and method for amplifying estrogen receptor alpha genes in female chinemys reevesii. The RT-PCR primer comprises a primer pairs as shown in SEQ ID No:1 and SEQID No:2. The method comprises the following steps: 1) extracting total RNA of a to-be-amplified sample; 2) reversely transcribing the extracted total RNA into cDNA; 3) amplifying the cDNA by using theRT-PCR primer; PT-PCR primer is the PT-PCR primer. According to the invention, a set of RT-PCR primers are designed, the total RNA of the to-be-amplified sample is extracted, and then reverse transcription is conducted to obtain the cDNA. The cDNA is amplified by using the RT-PCR primer. Under the premise of cost reducing, a great number of estrogen receptor alpha genes in female chinemys reevesii fallopian tubes are amplified rapidly and accurately, and large-scale and more intuitive studies of the estrogen receptor alpha genes in the female chinemys reevesii are effectively achieved.

Provided is a method of designing and preparing a substance for treating and/or preventing a tumor, wherein, a stable structure corresponding to a tumor-related substance is used as the substance for treating and/or preventing the tumor. The essence of disease is the imbalance of organism structural system. The imbalance of the structure of substance in the organism structure system will cause diseases related to the substance. Disclosed is a method that the organism regulates genes or the expression of genes, restores the balance of the structures of substances in the organism structural system, and treats and/or prevents a disease related to the tumor, through the self-adaptation and self-organization of the structure system of the organism after recognizing the stable structure corresponding to the substance.