164results about How to "Reduce or eliminate the impact" patented technology

The invention belongs to the technical field of air conditioners, and particularly provides an air conditioner and a control method thereof. The control method of the air conditioner comprises the following steps of: detecting a first air outlet speed at an air outlet of the indoor unit; comparing the first air outlet speed with a preset reference air speed and judging whether to enter a first self-cleaning stage according to the comparison result; detecting a first air outlet temperature at the air outlet after the first self-cleaning stage is finished; comparing the first air outlet temperature and a preset temperature and judging whether to enter a second self-cleaning stage according to the comparison result. By using the control method, whether to enter the second self-cleaning stageis determined according to the air outlet temperature after the first self-cleaning stage is finished, the situation of energy waste caused by incomplete cleaning of the first self-cleaning stage andcontinuously carrying out two self-cleaning stages is avoided, and the problem that the energy waste caused by incomplete cleaning or excessive cleaning is easy to occur in the self-cleaning control method of a prior air conditioner is solved.

The invention discloses an instrument for measuring haemoglobin concentration and blood oxygen saturation and a measuring method, and belongs to the technical field of medical detection. The instrument comprises a laser modulation unit, a control and data acquisition unit, an optical detector unit, a data processing and display unit and a photo sensor; the laser modulation unit can emits near infrared laser with more than two wavelengths, laser of each wavelength is modulated by two radio frequency signals with different frequencies, and the output end of a laser source is connected with the input end of the photo sensor through a multiway multiplexing optical switch; the optical detector unit detects phase shift of radio frequency and intensity attenuation of laser modulated by different radio frequencies; and after being collected, data are sent to the data processing and display unit, so that absorption and scattering coefficient of haemoglobin is obtained after calculation, information of haemoglobin concentration and blood oxygen saturation is obtained through conversion, and then the data are stored and displayed. The invention has the advantage that influence of various interferences on the result can be reduced or eliminated, so that the haemoglobin concentration and the blood oxygen saturation can be measured more accurately.

The invention provides a conveying mechanism for comprehensively controlling a weight. The conveying mechanism comprises two door-shaped beams arranged side by side, and a horizontal transverse beam; a vertical longitudinal beam is arranged on the horizontal transverse beam; a manipulator is arranged at the end part of the vertical longitudinal beam; Y-axle guide mechanisms are respectively arranged on the two door-shaped beams; the horizontal transverse beam is provided with an X-axle guide mechanism; the vertical longitudinal beam is provided with a Z-axle guide mechanism; joint parts are respectively arranged on the X-axle guide mechanism and the Z-axle guide mechanism; and the manipulator includes a rotating section, multiple manipulators respectively connected with the rotating section, and a manipulator motor for driving the rotating section to rotate by 360 degrees. The manipulator has a single large fork with two stations, two large forks with four stations, a single small fork with two stations and double small forks with four stations; and each fork is a comb-shaped structure. The whole weight verification process is operated by set procedures, so that the personal error is eliminated, and the influence of linear drifting of a qualitative comparison instrument on the measurement result is effectively reduced or eliminated.

The invention relates to a soil evaporation potential measuring method which comprises the following steps: original soil is contained in an outer sleeve and connected with a water pressure constant device for ensuring the constancy of soil water; an inner barrel is installed in the soil; the bottom of the inner barrel is provided with a weighing sensor and the water pressure constant device; theweighing sensor is connected with a reading meter; a measuring barrel for containing original soil and the water pressure constant device is arranged on the weighing sensor in the inner barrel; the mass change induced by the weighing sensor is obtained by the reading meter; and the mass difference after fixed time interval is the soil evaporation amount of the time interval. The method ensures that the soil evaporation measurement eliminates the interference factor influence as much as possible and only embodies the influence of the soil surface characteristics and evaporation environment, and a measuring value approaches the soil potential evaporation amount of the soil. The method can use the devices which comprise the outer sleeve, the inner barrel, the measuring barrel, a water supplypipe A, a connecting pipe, a Marriott bottle A, the weighing sensor, the weighing reading meter, a Marriott bottle B and a water supply pipe B and has the advantages of simple structure and convenience in use.

The invention relates to the field of civil engineering structure damage identification, in particular to a civil engineering structure damage pre-warning method in consideration of a temperature influence. An AR model in time series analysis and principal component analysis in multivariate statistical analysis are utilized, and a standard deviation control chart is combined for structure pre-warning research. Firstly, accelerated speed response data before and after structure damage are fit by the AR model, and a model coefficient is extracted; secondarily, the influence of temperature on the AR model coefficient is removed through principal component analysis; and finally, damage pre-warning is performed by using a standard deviation control chart. The pre-warning method is rigorous in theory, novel, reasonable in scheme and high in operability. The civil engineering structure damage pre-warning method has the advantages that accelerated speed response is directly used, a finite element model and modal parameters are not required, and the method belongs to a data driving method and is suitable for performing structure health monitoring in real time; and simultaneously, according to the method, under the condition of temperature change, the damage pre-warning is successfully performed through the anti-noise capacity.

The invention discloses a compensating device arranged at a circuit comprising a synchronous rectification switch, a controller and a load, and a method thereof, wherein the synchronous rectification switch comprises a first end, a first inductor, a second end and a second inductor, wherein the first inductor is electrically connected in series with the first end, the second inductor is electrically connected in series with the second end, the controller is coupled with the first inductor and the second inductor, in addition, the device comprises a voltage source, and the voltage source comprises a positive electrode end and a negative electrode end, wherein the positive electrode end is coupled with the controller, and the negative electrode is coupled with the second inductor; and the compensating device is used for providing a compensating voltage so as to eliminate or reduce the influence on a voltage value between the first end and the second end caused by the first inductor and the second inductor.

The invention relates to a method and a system for eliminating direct wave interference in acoustic logging, and an acoustic logging instrument. A transmitting transducer of the acoustic logging instrument transmits logging acoustic waves to two or more receiving transducers; the receiving transducers receive the logging acoustic waves; as for each receiving transducer, the time and slowness related coefficient of the logging acoustic waves is solved out by virtue of scanning in a time domain and a slowness domain, so that a time and slowness related coefficient spectrum is formed; the time and slowness related coefficient spectrum is researched; by virtue of researching a peak value, the slowness of each mode wave of a stratum is determined; the time that each mode wave arrives at the receiving transducers is determined according to the slowness, so that logging analysis data can be provided, wherein the consistency of direct waves received by each receiving transducer is damaged, and the correlation coefficient of the direct waves is reduced, so that the reality and accuracy of useful logging data are realized.

The invention relates to a self-adaptive nuclear density robust state estimation method for a power system. The self-adaptive nuclear density robust state estimation method comprises the following steps: 1) reading network parameters, measured data and standard deviation thereof of the power system; 2) dividing the power system into M observable islands according to the network parameters; 3) performing state estimation on each observable island in sequence: a, establishing a self-adaptive nuclear density robust state estimation mathematical model; and b, dissolving the self-adaptive nuclear density robust state estimation mathematical model by adopting a Newton iteration method to obtain the state estimation results of each observable island. Compared with the prior art, the self-adaptive nuclear density robust state estimation method has the advantages of being good in convergence, good in robust capacity, capable of realizing smooth step-by-step recognition of suspicious data and the like.

The disclosed illuminometer comprises: an UV detector with three AlGaN-base elements A, B, and C with different band response; a front-end amplifying circuit, a programmable band-selection and calculation circuit, an ADC, and a MCU with control input end connected to a keyboard and control output end connected to the input end of former circuit and a LCD display.

The invention discloses a nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic and a preparation method thereof. The nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic comprises, by weight, 50-85% of polyhydroxybutyrate, 5-30% of a nano-bentonite composite flame-retardant, 0.1-5% of a processing assistant, 5-25% of degradable toughened resin, 0.1-5% of a coupling agent and 0.1-5% of a grafting agent. The preparation method comprises the following steps of drying the polyhydroxybutyrate, degradable toughened resin and nano-bentonite composite flame-retardant, adding the coupling agent into the above materials, carrying out activation by a high-rate mixer, mixing the mixture with the processing assistant and the grafting agent to obtain a uniform mixture, carrying out fusion extrusion by a double screw extruder and carrying out cooling, air-drying and grain-sized dicing. The nano-bentonite composite flame-retardant polyhydroxybutyrate bioplastic satisfies flame retardation standard of UL94V-0 level and retains mechanical properties and processing performances.

A manufacture method for a semiconductor apparatus includes the following steps of: providing a semiconductor underlay with a first area and a second area; forming polysilicon layers on the semiconductor underlay; reducing the thickness of the polysilicon layer of the second area to lead the thickness of the polysilicon layer of the second area to be less than that of the first area; patterning the polysilicon layers of the first area and the second area; forming a first grid in the first area and forming a second grid in the second area. The technique of manufacturing the grids with different thicknesses of the method is simpler.

The present invention provides a mobile phone message feedback method for a vehicle during the driving process. A mobile phone is arranged in a vehicle. The method comprises the steps of acquiring the driving speed of the vehicle by means of the mobile phone arranged in the vehicle; and in response to the condition that the driving speed of the vehicle exceeds a preset first threshold, preventing the application program of the mobile telephone from sending out a feedback of a prompt message. Based on the above method, the feedback of the prompt message sent by one or more application programs of the mobile phone is limited based on the driving speed of the vehicle during the driving process, so that the interference and the influence of the feedback of the prompt message can be reduced or even eliminated for the driver of the vehicle during the driving process. The interference and the influence can be reduced or even eliminated especially for new drivers or drivers that drive at a high speed.

The invention relates to the field of application of numerical control machining and measurement equipment in order to improve the three-dimensional space resolution of a microscopic CT reestablishment result, and a measurement method is simple, practical and reliable. Thus, according to the adopted technical scheme, a microscopic CT motion error correction method for a rotating shaft includes the following steps that first, displacement sensors and a reference cylinder are additionally arranged on a rotating sample platform in a microscopic CT so as to monitor the error motion of the rotating shaft; second, the machining error and the mounting error of the reference cylinder in the sample platform with the rotating shaft error motion measurement function can be calibrated; third, in the CT scanning process, measured values of three sensors are simultaneously collected when all projected images are collected; fourth, the position errors of all the projected images caused by the motion error of the rotating shaft are solved; fifth, the position errors of all the projected images are corrected and the projected images are reestablished three-dimensionally. The microscopic CT motion error correction method for the rotating shaft is mainly applied to the numerical control machining and measurement equipment.

The invention provides a single-phase earth fault phase selection method for a power distribution network. The method comprises the following steps: sampling three-phase currents on the low-voltage side of a bus transformer before and after a fault occurrence moment after the single-phase earth fault occurence; subtracting the current sampling data before the fault moment from current sampling data after the fault moment of each phase to obtain current fault break variable data of each phase; normalizing the measured current break variable of each phase, and calculating an inter-phase currentbreak variable similarity coefficient by using a Hausdorff algorithm; calculating the phase average similarity; calculating a phase fault evaluation index that is specifically the sum of absolute values of difference values of the average similarity of the phase and the average similarity of the other two phases; and finally, determining a fault phase judgment threshold. The feeder with the faultevaluation index higher than the fault phase judgment threshold is a fault phase. According to the method, the rapidity and accuracy of single-phase earth fault phase selection of the power distribution network are improved.

The invention relates to a breeding method for highly-disease-resistant egg-laying pigeons. Two strains such as wild wood pigeons and high-laying-rate Thaxon pigeons are selected as progenitors, advantages of genes of the two strains are utilized, and the highly-disease-resistant egg-laying pigeons are fixedly bred by means of multiple crossbreeding and crossing. The egg-laying pigeons bred by the method are high in laying ability and inherit the characteristic of high disease resistance of the wild pigeons, so that production quality is lowered, and quality of pigeon eggs is improved greatly.

The invention relates to an immunomagnetic bead containing an OmpU antibody, preparation of the immunomagnetic bead and a method for capturing pathogenic vibrios and detecting the pathogenic vibrios through multiplex PCR by utilizing the immunomagnetic bead. PCR amplification of an OmpU gene is conducted by taking genomes of the vibrios as templates, pure OmpU recombinant protein is obtained to serve as an antigen to prepare the antibody, and the immunomagnetic bead containing the OmpU antibody is prepared through the coupling-washing process; the immunomagnetic bead can capture multiple vibrios, and then the vibrios are identified by multiplex PCR specific primers which are designed on the basis of a danJ gene. The immuomagnetic bead can simultaneously detect the vibrio parahaemolyticus, the vibrio cholera, the vibrio alginolyticus, the vibrio vulnificus and the vibrio mimicus at most and can be widely applied to environment and import and export food inspection. The immuomagnetic bead combines the specificity of immune separation and the high efficiency of PCR amplification, has the capacities of separation, concentration and enrichment, can efficiently separate and enrich the low-concentration pathogenic bacteria in a sample, reduces or eliminates inhibition and influences of the sample to PCR, improves detection limitation and has the very good application prospect.

The embodiment of the invention discloses a calibration circuit and method. The method comprises the following steps: determining a plurality of calibration states according to a charging current, anaccess state of a capacitor in an integrating circuit and an input end input signal state of a voltage comparator; In each calibration state, enabling the digital control circuit to generate a digitalcontrol signal according to the voltage comparison signal output by the voltage comparator; In each calibration state, when the reference voltage and the charging voltage are in an equal or set difference range under the control of the digital control signal, determining a calibration digital control signal corresponding to each calibration state; And obtaining a final calibration signal from thecalibration digital control signals corresponding to all the calibration states according to a preset processing strategy.

The invention provides a Nnintedanib inclusion compound and preparation and a preparation method thereofof the preparation. The inclusion compound comprises a main drug and an inclusion material, wherein the main drug is Nnintedanib or pharmaceutically acceptable salt in pharmacy, and the inclusion material is cyclodextrin or a derivative of cyclodrxtrin. The inclusion compound can sharply improvethe drug solubility of a simulated intestinal solution, the probability of the drug being separated out in the intestinal canal is lowered, and accordingly the bioavailability of the drug is improved. The inclusion compound and the preparation prepared from the inclusion compound and pharmaceutically acceptable ingredients in the pharmacy can outstandingly improve the dissolution degree and the dissolution rate of the drug in the simulated intestinal solution, the bioavailability of the drug is improved, meanwhile, the inclusion compound and the preparation have good stability, thus the flexibility and compliance of drug taking of patients are improved, and accordingly the treatment effect of the drug is improved. In addition, the invention provides a preparation method of the medicinal preparation of the Nnintedanib inclusion compound, no specific equipment is needed, the technology is simple, the production cost is low, and the preparation method is suitable for industrialized production.

An ultra-weak fiber grating optical cable used for water temperature monitoring comprises an ultra-weak fiber grating array located at the center; an grease layer uniformly covering the ultra-weak fiber grating array in the axial direction; a metal tube wrapping the periphery of the ultra-weak fiber grating array and the grease layer; a reinforcing member for twisting surrounding in a spiral formaround the metal tube; and a sensor mark coated on the outside of the reinforcing member. The grating optical cable uses the metal tube to directly encapsulate the ultra-weak fiber grating array. By filling a small amount of grease along the grating array, the cumulative distribution of the remaining length of the fiber is suppressed, and the impact of the residual strain in the sensing fiber is reduced or eliminated while preventing water vapor from infiltrating the fiber. The ultra-weak fiber grating temperature-sensing optical cable manufactured by the method has a linear correlation of thecalibrated temperature curve of more than 0.999 and a temperature sensitivity fluctuation of less than 0.3pm/DEG C.

An optical correction method is performed by a spectrum measurement device with a light input part. The method includes the following steps: multiple narrow-band rays are measured by the light input part to obtain multiple narrow-band spectrum impulse responses; a stray light database is built according to the narrow-band spectrum impulse responses; a correction program is generated according to the stray light database; and spectral radiant standard light is received from the light input part, and the spectrum measurement device enabling the correction program measures the spectrum of the spectral radiant standard light to obtain measured spectrum data; and a correction coefficient program is generated according to the measured spectrum data and spectral radiant standard spectrum data, and the correction coefficient program can match the measured spectrum data with the spectral radiant standard spectrum data.