31results about How to "Moderate sensitivity" patented technology

The invention discloses a control device of a variable pitch aircraft. The control device comprises a first control rod; the first control rod controls the screw pitch of rotor wings of an aircraft and the rotation speed of a motor to increase synchronously at the first state, and controls the screw pitch of rotor wings of the aircraft and the rotation speed of the motor to increase synchronously at the second state. The invention also discloses a control method of a multi-rotor-wing variable pitch aircraft. According to the control method, when the climbing screw pitch of the aircraft needs to be increased, a flight controller controls the motor to improve the rotation speed and the torsional force correspondingly in a certain proportion. The mode is relatively high in efficiency, has moderate sensitivity and is easy to control.

The invention relates to a quick check method of milk pesticide, as enzyme-restrain rate method, which uses colorimetry to process quick test on left pesticide, with simple operation, high automation, needed sensitivity, low cost, and wide application for testing the left pesticide in milk.

The invention relates to a method for synthesizing o-cresol novolac resin, comprising the following steps of (1) reacting o-cresol with formaldehyde under the temperature of 65 DEGC to the reflux temperature of a reaction system with the existence of an alkaline catalyst for 6-14 hours in a first reaction area, then heating and discharging water, cooling to the temperature of 80-90 DEG C when effluent water accounts for 1 / 4-1 / 3 of the total effluent water, adjusting the pH to 4.5-5.5 by adding acid which is used as the neutralizer, then adding an acidic catalyst of 0.5-2 percent of the total weight of phenol monomer, subsequently heating to the temperature of 140-145 DEG C, wherein water is discharged continuously in the process for 4-4.5 hours from starting water discharging to the temperature of 140-145 DEG C; and (2) transferring a reaction mixture obtained from step (1) to a second reaction area which is preheated to the temperature of 180-185 DEG C, heating to the temperature of 190-195 DEG C within 2-2.5 hours, and then decompressing and vacuumizing to obtain the o-cresol novolac resin. The o-cresol novolac resin synthesized by using the method has high Mw, trace contents of monomer and diplocaryon, extreme lower content of monomer in waste gas and waste water and less environment pollution.

The invention discloses a sensor for measuring rotary machining torque and axial force. A strain measuring principle is adopted, and the sensor is mainly used for measuring the torque and the axial force in a rotary machining process. The sensor consists of an elastic element (3), a bottom plate (1), a workpiece clamping device, a shell (4), a rubber protecting cover (5), positioning pins, screws and a plug (10), and is characterized in that: the elastic element is an integrally machined workpiece with a four-beam and four-post structure and respectively comprises an upper circular ring (a), four posts (b), a transition round disc (c), four beams (d) and a lower circular ring (e), wherein the four posts are respectively connected with the upper circular ring and the transition round disc to form the four beams of which the two ends are fixed mechanically, and are used for measuring the torque; and the four beams are respectively connected with the lower circular ring and the transition round disc to also form the four beams of which the two ends are fixed mechanically, and are used for measuring the axial force. The structure has high sensitivity and high eccentric load resistance, and can meet the requirements of different measurement ranges, different sensitivities and inherent frequency.

The invention relates to a method for detecting the bond quality of Husman metal and lined steel, which comprises the following steps: 1) an ultrasonic inspection device is equipped, a probe is placed on the good bond part of the composite metal; 2) the ultrasonic inspection device is adjusted to lead secondary bottom waves to appear on an oscilloscope screen; 3) the amplitude of 80 percent of the secondary bottom waves on the horizontal timer shaft is adjusted to be 80 percent of the vertical amplitude; 4) the probe is moved line by line on the surface of the composite metal, the moving speed of the probe is not more than 150mm / s, 10 percent of the diameter of the probe is covered between every two lines when detecting; 5) if forest-shaped waves appear on the oscilloscope screen tagging the initial waves, the position has bond defects; and 6) the probe is moved in all directions, the defect waves on the oscilloscope screen are observed, and the demarcation points are found out, and then each demarcation point is linked to enclose the defect area. The invention has the advantages of convenient instrument regulation, more obvious and easily identified defect waves, judging the defect boundaries more easily, high detectable rate for the defects and reducing the working strength.

The invention relates to an air conditioner human body induction method, device and system. The air conditioner human body induction method comprises the steps that whether human body movement exists in a room is detected through an infrared detection module, and an indoor environment temperature value T1 is detected in real time when human body movement exists; and an adjustment threshold value delta of the infrared detection module is calculated according to the indoor environment temperature value T1, and the detection distance and sensitivity of the infrared detection module are adjusted according to the adjustment threshold value delta. The adjustment threshold value of the infrared detection module is dynamically adjusted according the indoor environment temperature, and therefore when the environment temperature is close to the human body temperature, it is ensured that the infrared detection module has a long detection distance and proper sensibility.

The invention discloses a hexaaryl bis-imidazole photoinitiator. The molar ratio of a red shift substituent group in all substitutable sites of the hexaaryl bis-imidazole photoinitiator is 6-16%. Whenthe photoinitiator is applied to a photosensitive resin composition, the photoinitiator is moderate in sensitivity, good in solubility and excellent in resolution ratio and developability, inverted trapezoids cannot appear during development, the photoinitiator has good hydrophilicity, the amount of sludge in a developing solution during recycling can be remarkably reduced, and the developing solution can be repeatedly and effectively used for multiple times. The invention also provides a photosensitive resin composition containing the photoinitiator, and an application of the composition.

The invention discloses a method for detecting moisture content of explosion beads for cigarettes. According to the method, explosion bead samples for cigarettes are pretreated, separated by a capillary column and analyzed by a gas chromatography-thermal conductivity detector method; each sample is measured twice in parallel; in each experiment, a blank sample is needed; and quantification is carried out by adoption of an internal standard method so as to obtain moisture contents in the beads. The detection method is verified to have an adding standard recovery rate of 98.95%-104.48%, a methodquantification limit of 0.0577 mg / mL, an intraday precision of 3.47% and a day-to-day precision of 4.05%. The method is simple in pre-treatment operation and good in reproducibility, and is capable of correctly analyzing and quantifying explosion bead samples with low moisture contents.

The invention relates to a technical method for staining an ignition bridgehead of an electronic with an explosive. The method comprises the following steps: (1) explosive mixing: preparing an explosive head raw material which comprises an M explosive, a P explosive and an F explosive; (2) M explosive staining: extending a bridge wire of the ignition bridgehead into the M explosive obtained by explosive mixing to stain with the explosive and drying the bridge wire once each time, and staining with the M explosive and drying the bridge wire alternately twice; (3) P explosive staining: extendingthe bridge wire, dried in step (2), of the ignition bridgehead into the P explosive to stain with the explosive, drying the bridge wire, and staining with the P explosive and drying the bridge wire alternately for three to four times; (4) F explosive staining: extending the bridge wire dried in step (3), of the ignition bridgehead into the F explosive to stain with the F explosive, drying the bridge wire, and staining with the F explosive and drying the bridge wire alternately; (5) final drying: performing final drying on the ignition bridgehead dried in step (4). The ignition bridgehead sensitivity produced according to the method provided by the invention is moderate in sensitivity, and reliable in quality, safety in production, transportation and use is ensured, and the cost of an electronic detonator delay module is greatly reduced.

A kind of flexible circuit panel includes: the first circuit layer, the second circuit layer, the first adherence layer, the second adherence layer and separating layer. The first circuit layer has a few the first through-holes and a few the second switches which correspond to the first switches, the first switches is set to face to face the second switches, the first adherence layer is set on the first circuit layer by rounding the first through-holes and the first switches; the second adherence layer is set on the second circuit layer by rounding the second through-holes and the second switches; separating layer is set between first circuit layer and second circuit layer and has a few the third through-holes which correspond to the first through-holes and second through-holes and a few the forth through-holes which correspond to the first switches and the second switches.

The invention discloses a portable sand box tool overturning lifting appliance. The portable sand box tool overturning lifting appliance is characterized in that a lifting appliance body is of a double-layer structure; gaskets (6) are arranged between a middle hanger shaft (3) and the inner layer and outer layer of the lifting appliance body; the middle of the middle hanger shaft is connected with the lower portion of a closed lifting ring in a sleeved mode, and the two ends of the middle hanger shaft penetrate through the inner layer and outer layer of the top end of the lifting appliance body separately and are fixedly connected through screw caps; the two sides of the middle hanger shaft are each provided with a fastening bolt (4) at equal intervals and are fixedly connected with the inner layer and outer layer of the lifting appliance body through screw caps (5); pulley hanger shafts II (7), hanger shafts III (10) and cross-shaped joints (8) are arranged at the two ends of the lifting appliance body; gaskets (9) are arranged between the hanger shafts II and the inner layer and outer layer of the body; the hanger shafts II penetrate through the inner layer and outer layer of the lifting appliance body and are fixedly connected through screw caps; the hanger shafts II are connected with the corresponding cross-shaped joints in a sleeved mode, and the hanger shafts III are connected with pulleys (11) in a sleeved mode; and the hanger shafts III penetrate through the two sides of the corresponding cross-shaped joints and are fixedly connected through nuts, and the pulleys are sleeved with corresponding iron chains (12).

The invention discloses a multifunctional medical bedside table, which comprises a table body (1) and table feet (11); the inner part of the table body (1) is provided with a storage device (2), a disinfecting device (3), an air purifying device (4), and a central control module (5); the outer part of the table body (1) is provided with a table-carried tablet computer (10), the surface of the table body is provided with a flexible button panel (6); the storage device (2), the air purifying device (4), the central control module (5), and the table-carried tablet computer (10) are supplied withpower through a modular power (7); the flexible button panel (6) is supplied with power through the central control module (5). On the basis of a traditional medical bedside table, the new functions of storage, disinfection, air purification and others are increased; these functions are matched with the using environment of the multifunctional medical bedside table, thereby greatly facilitating the use of inpatients and meting the patient's demand.

This invention discloses one high effective liquid phase spectrum evaporation diffusion test method for Huangyangning, ring Huangyangxing D and Huangyangsheng alkaloid and relative contents, which comprises the following steps: its color spectrum is fixed with silicon gel as stuff agent; the flow phase adopts tetrahydrofuran - carbinol - acetonitrile - intense ammonial solution or acetic acid ethyl ester - carbinol - intense ammonial solution; the test device adopts evaporation diffusion light tester.

The invention supplies a preparation method for macromolecule resistance thermal detection compound heavy film sensor. The features of the invention are: it has dense ceramic substrate, symmetry silk-screen rectangle porous graphite pole on one side of densifying ceramics, silk-screen gold paste on the terminal of the pole, soldering pins after metallization, distribution droplets response type humidity sense media, heating and concentrating to net polymer and complete physical entanglement and nail rivet with porous electrode. The positive effects of the invention are: (1) improving resistivity against water, electrical ageing, and mechanism aging resistance of the component;(2) supplying both physical entanglement and nail rivet point of network polymer, as well as proper space to contain pollutant; (3) the humidity sense media adopting environment protection solvent, and adopting high precision point glue machine, technique of mass production is simple and convenient; (4) component having high linearity, low wet stagnant, wide range, and suitable sensitivity.

The invention relates to a homogeneous detection kit for creatine kinase isoenzyme and application thereof. The kit comprises a reagent 1 and a reagent 3, wherein the reagent 1 comprises a first buffer solution and acceptor particles suspended in the first buffer solution, the reagent 3 comprises a second buffer solution and donor particles suspended in the second buffer solution, the acceptor particles comprise a first carrier, the first carrier is filled with a luminous composition, and a particle size distribution variable coefficient C.V value of the receptor particles in the reagent 1 is not lower than 5% and not higher than 25%; and the donor particles comprises second carriers, the second carriers are filled with a sensitizing agent, and the sugar content of the donor particle in each milligram of the donor particles in the reagent 3 is not higher than 40 mg. The homogeneous detection kit provided by the invention can be used for clinical auxiliary diagnosis of myocardial infarction, and not only has relatively proper sensitivity, but further has a very wide detection range.

This application discloses a control device for a variable-pitch aircraft. The control device includes a first control lever. The first control lever controls the pitch of the aircraft rotor and the rotational speed of the motor to increase synchronously in a first state; A control lever controls the pitch of the aircraft rotor and the rotational speed of the motor to decrease synchronously in the second state. This application also discloses a control method for a multi-rotor variable pitch aircraft. In the present invention, when the aircraft needs to increase the climbing pitch, the flight controller controls the motor to increase the rotational speed and torque at a certain proportion accordingly. This mode is relatively efficient, has moderate sensitivity and is easy to control.

The invention relates to an air conditioner human body induction method, device and system. The air conditioner human body induction method comprises the steps that whether human body movement exists in a room is detected through an infrared detection module, and an indoor environment temperature value T1 is detected in real time when human body movement exists; and an adjustment threshold value delta of the infrared detection module is calculated according to the indoor environment temperature value T1, and the detection distance and sensitivity of the infrared detection module are adjusted according to the adjustment threshold value delta. The adjustment threshold value of the infrared detection module is dynamically adjusted according the indoor environment temperature, and therefore when the environment temperature is close to the human body temperature, it is ensured that the infrared detection module has a long detection distance and proper sensibility.

The invention discloses an application of single blue A as a protein pre-staining agent, belonging to the field of protein staining. According to the application disclosed by the invention, adopting single blue A as a protein pre-staining agent has the advantages of simple and convenient staining steps, short staining time, small staining agent dosage and the like; and the stained protein product can be directly detected by eyes and also can be detected by a scanning instrument under near-infrared exciting light. When the single blue A is used for staining protein, the staining reaction can be promoted and the staining efficiency can be improved by adopting base catalysis or electric shock catalysis; and the technological parameters of base catalysis or electric shock catalysis are further optimized. The application disclosed by the invention has broad application prospects in preparation of protein molecular weight standard products, optimization of the detection way of Western-blot, In-Gel Western or tube polyacrylamide gel electrophoresis, and observation of the positioning or distribution condition of target protein in cells.

The invention discloses a dual-technology detector based on temperature bidirectional compensation, comprising a PIR sensor, a microwave sensor, a PIR amplification circuit, a microwave amplificationcircuit, a temperature conversion circuit, a single-chip microcomputer processing unit and an alarm output circuit. The dual-technology detector based on temperature bidirectional compensation comprises the following steps of: receiving analog voltage signals transmitted from the PIR amplification circuit through the single-chip microcomputer processing unit, and monitoring whether the voltage exceeds a PIR threshold voltage or not; receiving analog voltage signals transmitted from the microwave amplification circuit, and monitoring whether the voltage exceeds a microwave threshold voltage ornot; collecting the voltage of the temperature conversion circuit in real time, and performing real-time compensation of the PIR threshold voltage and the microwave threshold voltage according to thetemperature condition; and finally, comprehensively judging the PIR analog signal and the microwave signal, and determining whether to generate an alarm output according to the PIR threshold voltage and the microwave threshold voltage condition after temperature compensation. The dual-technology detector can maintain the proper sensitivity without the conditions that the sensitivity is high at lowtemperatures and is low at high temperatures due to temperature changes.

The invention belongs to the technical field of medical instruments, and relates to a blood oozing and blood leakage monitor, which comprises three assemblies of a transmitter, a receiver and a novel transfusion paste, and the real-time monitoring on the blood oozing and blood leakage condition of a puncture part in the treatment process of a patient is realized. Once blood oozing and blood leakage occur, the transmitter assembly responds immediately, a vibration and / or sound-light alarm is given out, and meanwhile blood leakage information is transmitted to the receiver assembly in a nurse workstation through wireless signals. After the receiver receives the signals, the signals are fed back to medical staff of a nurse station through the ways of images, sounds, light and the like, and it is ensured that the medical staff know the conditions at the first time and arrive at the patient for processing.

The invention discloses a floating block used for an impeller-type washing machine, a water-spraying plate with the same and an impeller-type washing machine. The floating block used for the impeller-type washing machine comprises a floating block body, one or more communication openings are formed in the floating block body in the thickness direction of the floating block body in a penetrating mode, the floating block body is of a hollow structure, and a solid structure is arranged at one end of the floating block body. According to the floating block used for the impeller-type washing machine, the floating block body is arranged to be of the hollow structure, the solid structure is arranged at one end of the floating block body and has large gravity, and therefore when the floating block is applied to the impeller-type washing machine, the floating block has good stability and suitable flexibility under the effect of gravity and buoyancy.

The invention supplies a preparation method for macromolecule resistance thermal detection compound heavy film sensor. The features of the invention are: it has dense ceramic substrate, symmetry silk-screen rectangle porous graphite pole on one side of densifying ceramics, silk-screen gold paste on the terminal of the pole, soldering pins after metallization, distribution droplets response type humidity sense media, heating and concentrating to net polymer and complete physical entanglement and nail rivet with porous electrode. The positive effects of the invention are: (1) improving resistivity against water, electrical ageing, and mechanism aging resistance of the component;(2) supplying both physical entanglement and nail rivet point of network polymer, as well as proper space to contain pollutant; (3) the humidity sense media adopting environment protection solvent, and adopting high precision point glue machine, technique of mass production is simple and convenient; (4) component having high linearity, low wet stagnant, wide range, and suitable sensitivity.

The invention discloses a floating block for a pulsator washing machine, a water spray plate for the pulsator washing machine, and a pulsator washing machine. The floating block for the pulsator washing machine includes: a floating block body formed on the floating block body At least one communication port penetrating along the thickness direction of the float body, the float body is a hollow structure, and one end of the float body is provided with a solid structure. According to the floating block for the pulsator washing machine of the present invention, the floating block body is provided with a hollow structure, and a solid structure is provided at one end of the floating block body. The solid structure has a large gravity. When the floating block is applied to the pulsator washing machine Under the action of gravity and buoyancy, the float has good stability and appropriate sensitivity.

The invention provides an initiating explosive for detonator assembly and a preparation method thereof. The initiating explosive for the detonator assembly, provided by the invention, comprises the following components in percentage by weight: 40.58-40.90wt% of superfine hexogen, 32.47-32.72wt% of ammonium perchlorate, 24.35-24.54wt% of antimony sulfide, 1.80-2.50wt% of shellac and 0.05-0.10wt% of graphite. The initiating explosive for the detonator assembly, provided by the invention, uses superfine hexogen for supplying detonation energy, uses the ammonium perchlorate as a strong oxidizer for playing oxygen-supplying and combustion-supporting roles, uses the antimony sulfide as a flammable and a combustion rate regulator, uses the shellac as a binder for granulating and uses the graphite for playing a passivating role, and has the characteristics of moderate sensitivity, good compatibility, stable detonating transfer performance, easy transportation and environmental friendliness. The preparation method provided by the invention is easy and convenient to operate, and is applicable to industrial production.

The invention relates to a homogeneous detection kit for interleukin 6 and an application thereof. The kit comprises a reagent 1 and a reagent 3, the reagent 1 comprises a first buffer solution and acceptor particles suspended in the first buffer solution, the reagent 3 comprises a second buffer solution and donor particles suspended in the second buffer solution, the acceptor particles comprise a first carrier, the first carrier is filled with a luminous composition, and the particle size distribution variable coefficient C.V value of the acceptor particles in the reagent 1 is not lower than 5% and not higher than 20%; and the donor particles comprise a second carrier, the second carrier is filled with a sensitizing agent, and the sugar content of the donor particles in each milligram of the donor particles in the reagent 3 is not higher than 40 mg. The kit provided by the invention can be used on a chemiluminescence analyzer to monitor the immune state and inflammatory response of an organism, and has relatively proper sensitivity and a very wide detection range.