35results about How to "Affect authenticity" patented technology

The invention provides an offshore wind turbine simulation experiment device. The offshore wind turbine simulation experiment device comprises a wind wheel, a power mechanism used for driving the wind wheel to rotate and a transmission mechanism used for transmitting power, wherein the transmission mechanism drives the wind wheel to rotate through a rotating shaft, and the rotating shaft is installed on a base through a supporting seat. The offshore wind turbine simulation experiment device further comprises a vibration excitation mechanism used for simulating generated environmental stress, a data collection mechanism used for collecting experimental data of each component and a data analysis mechanism used for processing the experimental data, wherein the vibration excitation mechanism comprises a horizontal vibration exciter capable of adjusting the contact distance in all directions and a vertical vibration exciter controlled by excitation signal equipment. The offshore wind turbine simulation experiment device is formed by overall decreasing an actual size according to a certain proportion, and the working state of an actual offshore wind turbine can be accurately restored. An experimental environment obtained after the combination of the horizontal vibration exciter and the vertical vibration exciter is more in accord with the complex experimental environment on the sea, and the experimental data obtained after excitation simulation are more in accord with the actual working condition of the offshore wind turbine.

The invention provides a biological culture device based on a hemodialyzer. The biological culture device comprises the hemodialyzer, a circulating pump, a swing weighing device, a sample collecting and storing device, a medicine-dosing device and a culture bag. The culture bag comprises a main culture bag and an auxiliary culture bag. The main culture bag is connected with the two ends inside a hemodialyzer main body to form a main circulation loop, and the auxiliary culture bag is connected with the two ends outside the hemodialyzer main body to form an auxiliary circulation loop. The sample collecting and storing device and the medicine-dosing device are connected with a pipe between the main culture bag and the hemodialyzer. The biological culture device is a cell or bacterium culture device which can monitor culture conditions, keep the monitor culture conditions stable, perform automatic liquid adding and sample, can simulate medicine concentration changes and is based on the hemodialyzer.

The invention relates to a perfusion fixation device and a perfusion fixation method for a small animal experiment. The device comprises a pedestal, wherein the upper end face of the pedestal is provided with a first syringe fixing seat, a second syringe fixing seat, a first guide sliding chute and a second guide sliding chute; the first guide sliding chute corresponds to the first syringe fixing seat; the second guide sliding chute corresponds to the second syringe fixing seat; a first slide block is arranged in the first guide sliding chute in a sliding fit manner; a second slide block is arranged in the second guide sliding chute in a sliding fit manner; a first step motor and a second step motor are arranged in the pedestal respectively; the first step motor is connected with the first slide block through a first lead screw nut mechanism; the second step motor is connected with the second slide block through a second lead screw nut mechanism; both the first step motor and the second step motor are electrically connected with a motor control circuit; the pedestal is provided with a perfusion flow speed adjusting key and a motor control switch; and the perfusion flow speed adjusting key and the motor control switch are both electrically connected with the motor control circuit. The device and the method have the advantages of good perfusion effect, convenience in operation and simple structure.

The invention provides an all-angle and distance-adjustable non-contact excitation experiment platform, which comprises a base, an angle adjusting device, a connecting plate, a displacement adjusting device, a locating plate and a non-contact exciter. The connecting plate is movably mounted on the angle adjusting device; the displacement adjusting device is mounted on the connecting plate; and the non-contact exciter is mounted on the displacement adjusting device by the locating plate. According to the invention, the distance and the angle of the non-contact exciter are adjusted; according to the position of an excited part, the direction of the non-contact exciter is first adjusted and then the distance between the non-contact exciter and the excited part is adjusted, so that an optimal experiment effect is achieved, the authenticity and accuracy of experiment data are enhanced and scientific research and experimental requirements are satisfied.

The invention discloses a suction type membrane filtration suspended particle trap for marine environmental monitoring, and aims to provide a collection device which is convenient to operate, low in labor intensity and high in automatic degree and is particularly applicable to the process of sampling massive monitoring points respectively in different areas. The trap comprises a rack, a water pump, a traction rope, a balancing weight, a water pumping pipeline, a first diversion pipe, a second diversion pipe, a rotating shaft and two mounting casings, wherein the first diversion pipe and the second diversion pipe are fixedly arranged on the rack; the rotating shaft is arranged on the rack in a rotating manner; the two mounting casings are uniformly distributed along the circumference of the rotating shaft; a particle sampling device is arranged in one mounting casing, and a washing diversion device is arranged in the other mounting casing; one end of the water pumping pipeline is connected with the water inlet of the water pump; and one end of the first diversion pipe is connected with the water outlet of the water pump.

The invention relates to an automatic sampler capable of sampling by simultaneously using multiple cutting rings. The automatic sampler comprises a main rod (3), an expansion rod (4) and a drill bit (7), wherein the drill bit (7) is mounted at the bottom end of the main rod (3); the automatic sampling device is characterized in that the main rod (3) is connected with the expansion rod (4) by a driving device, the driving device drives the main rod (3) and the drill bit (7) to move axially up and down, multiple clamping slots are axially formed in different positions of the main rod (3), one cutting ring is arranged in each clamping slot, and soil with different depths can be simultaneously and automatically sampled by the multiple cutting rings. The driving device drives the drill bit (7) to automatically rotate, so a traditional manpower driving mode is changed, the sampling efficiency is greatly improved, and the physical power of a sampling person can be saved.

The invention discloses a method for determining a 3' end flanking unknown sequence based on the known DNA sequence by utilizing technologies such as restriction endonuclease cutting, pUCm-T vector, nested polymerase chain reaction (PCR) amplification and the like. In the method, genome DNA is cut by restriction endonuclease, the purified enzyme-cutting product is complemented by Taq enzyme or Ex Taq enzyme, is subjected to 3' end A addition reaction, and is connected with the pUCm-T vector; a segment of sequence on the downstream of a T/A cloning site on the T vector is selected as a 3' end primer through primer design software; and two sequences of the known DNA close to the unknown sequence end are selected as 5' end primers. A pUCm-T vector junctional complex is taken as a template, the nested PCR amplification is carried out through the designed primers, and the amplified segments are subjected to cloning and sequencing. The method has the characteristics of simple operation, wide application range, a few operational constraints, simple and quick result verification, unlimited length of unknown sequence, low cost and the like.

The invention discloses a method for measuring the fuel quantity of a fuel tank of a vehicle, and main parts comprise a fuel sensor, a vehicle-mounted terminal, an engine controller, and a wire. The method comprises the steps: firstly calibrating parameters of the fuel tank; secondly finding a fuel quantity calibrated value corresponding to a corresponding position from the vehicle-mounted terminal according to a resistance value outputted by the fuel sensor; thirdly measuring the fuel quantity between two positions; and finally correcting the calibration parameters of the fuel tank when the temperature of fuel changes. The change data of the fuel quantity is finer, and the authenticity of oil quantity data cannot be affected by temperature changes. The cost of the whole vehicle does not change, and no electrical fault is increased.

The invention discloses a tourist attraction route intelligent recommendation method based on a mobile internet and big data analysis, and the method comprises the steps: screening out candidate recommendation scenic spots from all scenic spots through the real-time positioning of the geographic positions of tourists, and screening out a target recommendation scenic spot through integrating the distance of all candidate recommendation scenic spots, the real-time number of tourists and the tourist attraction visiting popularity, recommending to tourists and navigating touring routes, thus intelligent recommendation and touring route navigation of the current touring scenic spots of the tourists are realized, and compared with a traditional manual scenic spot screening recommendation method, the recommendation method is high in intelligent level and recommendation efficiency, the recommendation basis is expanded, the recommendation function is perfected, According to the method, the screened target recommendation scenic spot can meet the distance proximity recommendation principle, and the off-peak sightseeing and the sightseeing popularity of the scenic spot can be considered, so that the recommendation effect is improved, the sightseeing experience of the tourist is enhanced, and the rapid and comprehensive recommendation requirement of the tourist for sightseeing the scenic spot in real time is greatly met.

The invention relates to the technical field of rat pest control, in particular to a rat density monitoring method and a monitoring system; the monitoring method comprises image acquisition, identification sensing, data acquisition, information processing and remote reception in turn; the structure comprises a high-definition camera, a mouse identification induction module, an image data collector, an information processing module, a remote transmission module and a user end which are in data connection mode. The rat density monitoring method and the monitoring system can timely and accuratelymonitor the rat density, and have the advantages of saving manpower, and the monitoring data have timeliness and authenticity.

The invention relates to a method for generating and loading specific project files based on a WPF (Windows Presentation Foundation) technology. The method comprises the following steps: saving backup of source data; compressing the source data in a zip way; obtaining the MD5 value of a file; reversely processing all hexadecimal bytes; setting a name suffix and carrying out core encryption processing; loading a case project file; reversely decrypting the project file; extracting valid data from the source data; and accurately displaying the data by combining a WPF display technology with a map and a timeline. The method provided by the invention has the beneficial effects that the project file is a single file to facilitate the loading and displaying of project data; a case project in a single file way is better than a case project in a folder way when mobile data is copied; the integrity of the project file is ensured and the project file is prevented from being tampered by using a unique multi-encryption way; the universality is strong, and the transplanting is convenient; a WPF interface is more concise and intuitive, and is easily studied and judged.

The invention discloses a data exchange method for a physical entity control system and a virtual simulation production environment, which is characterized in that two sets of existing communication main bodies are connected into an organic whole capable of exchanging data with each other through the method provided by the invention, and the communication main bodies comprise a set of virtual simulation production environment and a set of physical entity control system. In the virtual-real combined attack and defense target range covering the business scenes of the control layer and the equipment layer of the thermal power generating unit control system, the physical entity control system and the virtual simulation production environment can be organically combined to realize mutual data exchange between the physical entity control system and the virtual simulation production environment.

The present invention relates to a method for defining two-side unknow sequence of the know DNA sequence by utilizing PCR technology, and includes the following steps: enzyme cutting restriclion endonuclease site of know sequence; designing proper PCR primer; making PCR amplification; finally making clone and sequence determination of the obtained fragment.

The invention discloses a movable culture bed which comprises a culture bed body for culturing vegetation, and an adjusting mechanism for adjusting the inclination degree of the culture bed body. Theadjustment of the inclination degree of the culture bed body is realized, then the growth conditions (nutrient condition, illumination condition and the like) and the growth environment (for instance,some vegetation grows in a place with certain slope in the real environment) of the vegetation cultured on the culture bed body can be met, and therefore it is ensured that the growth conditions andgrowth environment of the vegetation needing to be tested are close to those in the real environment, it is ensured that data measured in a test is closer to a real value in the vegetation growth simulating test, and scientificity and authenticity are better achieved.

The invention relates to the technical field of feed processing equipment, in particular to an automatic sampler which comprises a tubular body, the tubular body is provided with a first connecting end for feeding and a second connecting end for discharging, a blowing part and a sample receiving part which are communicated with the tubular body are arranged on the two sides of the tubular body respectively, and the blowing part and the sample receiving part are oppositely arranged. And a nozzle of the blowing part faces the sample receiving part, so that when the feed flows from the first connecting end to the second connecting end, the nozzle makes the blown feed enter the sample receiving part at the moment of blowing the feed. According to the device, the blowing part and the sample receiving part which are arranged on the two sides of the tubular body are matched with each other for sampling, and the original mixing uniformity of feed is not influenced due to the movement of the feed in the vertical direction in the sampling process, so that any part of a feed column formed in the falling process of the feed is sampled; and the feed particles with different particle sizes can be blown into the sample receiving part by the blowing airflow, so that the authenticity of the obtained sample is ensured, and the obtained sample is more representative.

The invention discloses an atmospheric radioactive scene radiation level detection station. The atmospheric radioactive scene radiation level detection station comprises an equipment mounting base, adetector, a radiation shielding body, a sample bypassing mechanism and a detector walking unit, wherein the radiation shielding body is fixed on the equipment mounting base, the detector walking unitis fixed on the equipment mounting base, the detector is mounted on the detector walking unit, the detector can linearly enter and exit from the radiation shielding body, and the sample bypassing mechanism is arranged in the radiation shielding body. The atmospheric radioactive scene radiation level detection station realizes complete unattended operation of automatic sampling, automatic sample preparation, automatic measurement and analysis, automatic nuclide identification and automatic data transmission of field radiation level in a radioactive scene, and is a core component of mobile equipment type and fixed equipment type radioactive scene sampling measurement equipment which relates to a nuclear detection technology of an atmospheric radioactivity monitoring technology.

The invention relates to the technical field of office equipment, and discloses a paper feeding device of an ink-jet printer. The paper feeding device of the ink-jet printer comprises a workbench, wherein the middle of the workbench is movably connected with a pickup roller, the top end of one side of the workbench is fixedly connected with a support, the top end of the support is movably connected with a drying wheel, and the back surface of the drying wheel is movably connected with a guiding pipe; a plurality of nozzles are uniformly formed in the outer side of the drying wheel, a rotating blade is movably connected to the middle of the drying wheel, a control rod is fixedly connected to one side of the rotating blade, and a piston is fixedly connected to one side of the control rod. According to the paper feeding device of the ink-jet printer, heat generated in a top cover is transferred into the drying wheel through a cooling fan, and the paper feeding speed of printing paper is controlled through heat change, so that temperature rise in the top cover is limited, rapid cooling in the printer is achieved, and the situation that ink reacts chemically when an ink box is in a high-temperature state for a long time, and the authenticity of printed colors is affected is avoided.