51 results about "Positive control" patented technology

The invention discloses a specific primer group, a kit and a method for detecting double photosynthetic bacteria, and relates to the technical field of microbiological detection. The specific primer group is designed based on a conserved region of a photosynthetic reaction center L subunit gene (pufL) of rhodopseudomonas and ectothiorhodospirillum, the conservative property is greater than or equal to 99%, the similarity rate is greater than or equal to 98.5%, specific amplification of target bacteria can be realized, and cross amplification interference is avoided. The matched kit comprises the primer group, 2 * SYBR Green qPCR Master Mix, a positive control component, a negative control component and the like, and the detection method realizes rapid and sensitive detection of the two photosynthetic bacteria by optimizing sample pretreatment, PCR amplification conditions and result interpretation standards. The detection specificity is high, the sensitivity is high (the lowest detection limit reaches 10 < 2 > cfu / mL level), the detection period is short (1-2 hours), the applicability is wide, the method can be used for detecting various samples such as river water, aquaculture water and microbial inoculum fermentation liquor, one set of primers can detect two target bacteria at the same time, the detection cost and the operation complexity are reduced, and the method is suitable for aquaculture environment monitoring and microbial inoculum application quality control.

A set of components for assembling a temporary wire suspender includes in the set a yoke plate, a plurality of J-hook assemblies, a plurality of linkage members, and a plurality of removable couplers configurable to handle an expandable number of energized or de-energized conductors or sub-conductors. Positive control of the suspended and / or supported energized or de-energized conductors or sub-conductors is achieved by using releasable latches on the J-hook assemblies.

The present disclosure relates to methods of characterizing a system comprising a chromatography column. The methods can comprise introducing a sample comprising a positive control and a negative control into a system comprising a chromatography column, wherein the positive control is a sensitive probe that interacts with the system and the negative control does not substantially interact with the system; detecting the positive control and the negative control after passing the sample through the chromatography column; and determining system suitability by comparing the amount of positive control detected to the negative control. In some embodiments, determining system suitability (e.g., sample inertness to the system) is accomplished by determining the ratio of positive control to negative control detected.

The invention belongs to the field of biology, and discloses a multiple primer probe set and application thereof. Wherein the multiple primer probe group comprises corresponding primers and probes for detecting seven respiratory tract infection pathogens including canine distemper virus, canine adenovirus type 2, canine parainfluenza virus, canine influenza virus, canine respiratory tract coronavirus, new coronavirus and bordetella bronchiseptica, and the invention also discloses a kit for detecting the respiratory tract infection pathogens including canine distemper virus, canine adenovirus type 2, canine parainfluenza virus, canine influenza virus, canine respiratory tract coronavirus, new coronavirus and bordetella bronchiseptica. The kit is composed of a qPCR reaction solution A1, a qPCR reaction solution A2, an enzyme system mixture, a positive quality control product and a negative quality control product. In the application, the multiple qPCR kit is simple to operate and short in consumed time, the seven different common respiratory tract infection pathogens can be detected at one time through a two-tube reaction system, and the lowest detectable concentration of the seven respiratory tract infection pathogens is 0.1 copies / uL, so that the kit is suitable for clinical rapid detection of the respiratory tract pathogens; and timely and correct treatment aiming at infected pathogens is facilitated.

The invention relates to a folding machine for paper and soft folding material, comprising a supporting frame (1), in which a rotary bearing (2) is rotatably mounted, the rotary bearing containing mutually parallel rotatable working rolls (17, 18, 19), wherein: a pressing device (6) for pressing the paper (39) onto positions of the rotary bearing (2) is provided, and an outer control element (7) which is rotated conjointly with the rotary bearing is provided: the pressing device (6) is mounted in an opening flap (26) and is formed by two profiled elements (28, 36), which are controlled by the outer control element (7); the first profiled element (28) receives and transports the paper (39) in cooperation with a first working roll (17), and the second profiled element (36) leads the paper (39), in contact with a first working roll (17) and a third working roll (19) running oppositely to each other, to a folding gap (44); and a pivoting nose (20), which is rotated conjointly with the rotary bearing (2) and is positively controlled by means of an inner control element (11), is provided for a second folding of the paper (39) in a second folding gap (45) between the first working roll (17) and the second working roll (18).

The present invention claims a positive control system (1) for container closure integrity (CCI) testing, comprising a container (3) and an adapter. The container (3) has a hollow interior (31), an opening (35), and a rim (331) surrounding the opening (35). The adapter (2) has a first coupling structure (21) configured to connect to a flow reduction holder (4) and a second coupling structure (22). The second coupling structure (22) of the adapter (2) is vacuum-tightly bonded to the rim (331) of the container (3). The adapter (2) is configured such that the interior (31) of the container (3) is accessible from the first coupling structure (21).

The present invention provides a plasma spraying device and a plasma spray deposition system. The power supply module in the device includes an integrated control unit, a power supply control unit, and a power supply unit, which are arranged in sequence. The power supply unit includes multiple plasma power supplies connected in parallel. The multiple plasma power supplies are connected to the anode of the plasma spray gun via a positive control connection unit and a first water-power cluster connection unit, and are connected to the cathode of the plasma spray gun via a negative control connection unit and a second water-power cluster connection unit. The multiple plasma power supplies in the device adopt a parallel control mode and balance the load through distributed logic self-rectification control. At the same time, integrated control is achieved through the integrated control unit and the power supply control unit, ensuring that the simultaneous output loads of multiple power supplies are absolutely balanced. In addition, the output mode can also be set through the connection module to meet the requirements of different plasma spray processes and plasma spray guns, thereby realizing the versatility of the power supply module and the interchangeability of different types of system equipment.

The invention discloses a control method of a ship propulsion device, the ship propulsion device and a ship, and relates to the technical field of ship propulsion. The ship propulsion device comprises a power output assembly used for ship propulsion; the manpower driving assembly is used for driving the power output assembly to rotate; the direction switching assembly is in transmission connection with the power output assembly and used for adjusting the power output direction of the power output assembly; the steering detection assembly is used for detecting the rotating direction of the manual driving assembly and outputting a forward control signal or a reverse control signal; the control method of the ship propulsion device comprises the steps that under the condition that a forward control signal is received, the direction switching assembly is controlled to drive the power output assembly to face the first direction; under the condition that the reverse control signal is received, the direction switching assembly is controlled to drive the power output assembly to face the second direction; the second direction is opposite to the first direction. The invention aims to improve the reversing stability of the ship and improve the reversing response speed of the ship at the same time.

The utility model discloses a novel load control terminal relay anti-interference control circuit, and belongs to the technical field of load control terminal relay anti-interference. Comprising a relay action part, the relay action part comprises a relay, the relay comprises a coil side and a switch side, the first end of the coil side is connected with a fourth output pin of a negative electrode driver, and the second end of the coil side is connected with a positive electrode control part; and a fourth input pin of the cathode driver is connected with the driving signal detection part. The beneficial effects of the above technical scheme are that a double insurance design of relay coil power supply independent control and cathode driving signal state independent monitoring is adopted, so that relay misoperation is avoided, and equipment safety is ensured.

The invention discloses a text data processing method and system based on mathematical logic and propositional logic. The method comprises the steps of firstly obtaining text data and endowing the text data with weights to generate bottom layer data; thirdly, converting the natural language statement into an operable rule system entry by utilizing a pre-constructed mathematical logic and propositional logic framework, and generating a basic value; a logic item set, a positive control item and a negative control item which are input by a user are introduced into bottom layer data, and weight balancing processing is carried out. And finally, according to the matching degree of the items after weight balancing and the basic values of the items, scores are calculated, and the item with the highest score is selected as response data. According to the method, the response data are ensured to completely meet user requirements and system logic in the error-tolerant field, and the method has high accuracy and reliability.

The present disclosure relates to methods for assessing system inactivity, such as inactivity of LC or other fluidic systems. Some methods involve a test in which a column has been removed prior to injection of a sample including a positive (e.g., metal reactive moiety) control into the system. Some methods can include: (1) repeatedly injecting a sample into a system including: a fluidic path, wherein an inner surface of the fluidic path defines a wetted surface, and wherein at least a portion of the wetted surface of the fluidic flow path is coated with an inert coating, wherein the inert coating is inert to at least one analyte in the sample; (2) detecting a value associated with the positive control; and (3) analyzing the value associated with the detected positive control to determine system inactivity.

Injection-Locked Digital Oscillator This description relates to an injection-locked digital oscillator (2). An adder (100) adds the first and second digital words (OP2, OP1) and provides a third digital word (RES) as a result, the words being N bits long, with N an integer strictly greater than 1. A register (102) updates the second word from the third word (RES) at each period of a clock signal (clk). A first circuit (200) receives a reference signal (REF) at a natural frequency of one output bit (OUT), and a reference increment, inc_ref. The first circuit calculates a first value (valref) that is selectively equal to and less than the reference increment inc_ref, depending on at least one state of the reference signal.The first circuit provides the first word at least in part by summing the first value and a positive control number, P, the output bit being a bit from the second word. Figure for the abbreviation: Fig. 2.

Such a fuel filler flap arrangement with a fuel filler flap that is mounted on an articulated arm in a limited manner and which is pivotally mounted relative to a vehicle-side filling area, wherein a mechanical positive control engages the fuel filler flap, which has at least one flexible tension member that is articulated in the area of ​​a joint axis of the articulated arm on the one hand and on the fuel filler flap on the other hand, in order to generate a relative movement of the fuel filler flap relative to the articulated arm depending on a pivoting movement of the articulated arm about the joint axis, is known. According to the invention, the articulated arm is designed as a hollow profile with an internal closed channel penetrating the articulated arm lengthwise, and the at least one tension member is routed through the channel. Use for passenger cars

The invention provides a low-voltage lithium battery collision unlocking device and a new energy vehicle, and belongs to the technical field of safety unlocking control, and the device comprises a low-voltage lithium battery module, movable and static contacts of a magnetic latching relay module and an unlocking execution mechanism which are connected in series to form a first loop; coils of the low-voltage lithium battery module, the driving circuit module and the magnetic latching relay module are connected in series to form a second loop; the collision sensor module is used for collecting a collision signal of the low-voltage lithium battery module; the MCU control unit is in communication connection with the collision sensor module and the driving circuit module and is used for responding to the collision signal and outputting a forward control signal to the driving circuit module; and the driving circuit module is used for outputting forward pulse current to the magnetic latching relay module based on the forward control signal so as to control the magnetic latching relay module to be closed. According to the invention, the technical problems of high standby power consumption, low response speed, high possibility of misoperation and high possibility of causing secondary potential safety hazards in the existing scheme can be solved.

A luggage compartment cover for a motor vehicle including a flexible cover sheet windable on and unwindable from a winding shaft mounted rotatably in a cassette housing. Opposite end regions of the cassette housing are each provided with a holder for releasable, interlocking fixing of the cassette housing in vehicle-side holding receptacles. A holder has a blocking pawl pivotable between release and blocking positions and, in a vehicle-mounted state of the cassette housing, the blocking pawl engages behind a blocking contour of a vehicle-side holding receptacle. A mechanical securing element is mounted movably between a functional position blocking the blocking pawl in the release position and an inoperative position releasing the blocking pawl for a pivoting movement. The securing element is assigned a mechanical positive control which forcibly transfers the securing element into the inoperative position when the holder of the cassette housing is inserted into the vehicle-side holding receptacle.

The invention discloses a detection kit for simultaneously detecting human MTHFR and MTRR gene polymorphism through a single reaction hole, and belongs to the technical field of detection kits.The detection kit comprises a kit body, a plurality of moving grooves and placing grooves are formed in the top end and the interior of the kit body at equal intervals respectively, the moving grooves and the placing grooves are the same in number and correspond to each other in position in a one-to-one mode, and the moving grooves and the placing grooves correspond to each other in position in a one-to-one mode; two warning housings are symmetrically arranged in the moving groove; the warning housings are arranged on the two sides of the negative control tube, the positive control tube, the PCR reaction mixed liquid tube and the primer and probe mixed liquid tube, and when the negative control tube, the positive control tube, the PCR reaction mixed liquid tube or the primer and probe mixed liquid tube are damaged in a transportation diagram, the two warning housings can be closed due to weight loss, so that the warning effect is achieved, and the detection accuracy is improved. The problem that the negative control tube, the positive control tube, the PCR reaction mixed liquid tube or the primer and probe mixed liquid tube are not clearly damaged and are affected is avoided, and the use safety is improved.

The invention discloses a vehicle instrument testing system and a dial switch, a power supply module, a voltage switching circuit, a communication module, a lamp and a testing method thereof, and belongs to the technical field of vehicle testing. Wherein the power supply module supplies power to the control module and the communication module; the first bit output of the dial switch controls the positive control / negative control modes of various lamps, and the state change of the various lamps is used as a visual criterion for the normal function of the instrument; the input end of the voltage switching circuit is connected with the control module, and the output end of the voltage switching circuit is connected with the voltage detection end of the instrument module; and the communication module establishes a communication link with the instrument module. The I / O interface of the dial switch is connected with various lamps at the same time, when the instrument lamps are tested, the control signals of the positive control mode or the negative control mode are input into the lamps through the dial switch, whether the lighting states of the lamps correspond to the control signals or not is observed, the various lamps in the instrument can be tested quickly, and the testing efficiency is improved. And the instrument testing efficiency is effectively improved.

The invention relates to a fixed master-slave parallel boost fast charging system for a high-speed motor. The system comprises a first battery unit and a second battery unit which are connected in parallel. The first battery unit comprises a first battery module, a parallel positive control unit, a parallel positive control relay, a parallel negative control unit and a parallel negative control relay, and the second battery unit comprises a second battery module; the parallel positive control relay is respectively connected with the parallel positive control unit, the positive electrode of the first battery module and the positive electrode of the second battery module; and the parallel negative control relay is respectively connected with the parallel negative control unit, the negative electrode of the first battery module and the negative electrode of the second battery module. According to the system, a parallel connection mode is adopted, the problem of equipment idling caused by too long charging time is solved through a boosting mode, the charging time can be greatly shortened, the use efficiency of the equipment is effectively improved, the endurance anxiety is effectively relieved, and the reliability of the battery system can be integrally improved.

The invention relates to the technical field of kits, and discloses a peanut allergen component fluorescence PCR (Polymerase Chain Reaction) detection equivalent kit, which comprises (1) 2 * Probe qPCR Mix; (2) a florescence source probe primer mixture; (3) a 18S internal reference probe primer mixture; (4) ultrapure water; (5) positive control; (6) negative control; according to the invention, a dual detection mechanism of a florescence source specific gene and an eukaryote general reference gene is combined, and a specially designed chimeric recombinant plasmid is adopted as a multifunctional positive control, so that when a complex food matrix is treated, a forced standard reaching mechanism of a reference gene channel can timely identify a sample treatment abnormal condition; and wrong interpretation caused by improper operation is avoided. Meanwhile, the activity of core components of the kit can be verified through the two-channel synchronous response characteristic of positive control, and the credibility of a detection result and the scientific preciseness of interpretation are improved.

A brake system, brake regulating method and device for a rail vehicle use an input for a target deceleration value (äset), an input for an actual deceleration value (atrain), and an output for a deceleration control variable value. The deceleration control variable value (a0Ut) is set by a regulating unit to minimize a deviation between the actual deceleration value (atrain) and the target deceleration value (aset). The brake regulating device uses a limiting device, which limits the deceleration control variable value (aout) independently of the regulating unit such that the deceleration control variable value (aout) deviates from the target deceleration value (aset) maximally by a maximum negative control stroke to lower values or maximally by a maximum positive control stroke to higher values. The invention additionally relates to a braking method and a brake system for a rail vehicle.

Such a loading flap arrangement with a loading flap that can be moved between a closed position and an open position relative to a vehicle-mounted loading trough by means of a multi-link kinematics is known. According to the invention, a mechanical additional locking mechanism is provided between the loading flap and the loading trough, which is movably mounted between a locking position and a release position, and a mechanical positive guidance system is provided for displacing the additional locking mechanism between the locking position and the release position, which has geometric control contours on the additional locking mechanism and on the loading trough, which, depending on the relative position relative to the loading trough, effect a positive control of the additional locking mechanism in the direction of the release position or in the direction of the locking position. Suitable for passenger cars with electric charging port

The application discloses a terahertz programmable metasurface unit of an RF MEMS switch and belongs to the technical field of communication, comprising: a second substrate, a positive control line, a back cover ground, a first substrate, a direct current grounding column, an upper patch, a signal line, an RF MEMS switch and a direct current bias line structure. The switch is controlled to be turned off and turned on through direct current voltage change, and a metasurface unit 180° reflection phase difference is realized. The application achieves the following technical effects: (1) the 180° reflection phase difference working bandwidth is large, the reflection phase difference range is 172° to 193° at 285GHz to 320GHz; (2) the reflection phase is high in linearity, the reflection phase range of the switch down state is 117° to 52° at 285GHz to 320GHz, and the reflection phase range of the switch up state is -53° to -129°; (3) the processing technology requirement is low, the second layer anchor point and the lower electrode of the switch are connected through the bias line respectively, and the number of electrode punching is reduced; and (4) the bias line part uses metal, the bias line voltage division is reduced, and the driving voltage is reduced.

The invention provides a signal conversion circuit capable of changing unipolar control into bipolar control. The signal conversion circuit comprises a time delay circuit and a level conversion circuit, the delay circuit comprises a capacitor and a first resistor which are connected in parallel, one ends of the capacitor and the first resistor are electrically connected to the first signal line, and the other ends are grounded; the level conversion circuit comprises a triode, the base electrode of the triode is electrically connected with a second signal line, the collector electrode of the triode is electrically connected with one end of a second resistor, the other end of the second resistor is electrically connected with the positive electrode of the control electrode, the emitter electrode of the triode is electrically connected with one end of a third resistor, and the other end of the third resistor is grounded. The collector electrode of the triode is electrically connected with an output signal line. Synchronization of bipolar control signals is achieved through the time delay circuit, and the situation that the circuit cannot work normally due to the fact that bipolar signals are not synchronous is avoided. And level conversion is realized through switching on and switching off of the triodes, single-pole control is changed into double-pole control, and the stability of control signals is effectively improved.

The present disclosure is directed to a kit for evaluating system inertness. The kit includes a positive control comprising a metal interacting moiety, and a negative control that does not contain a metal interacting moiety. In some embodiments the kit also includes a container to hold a system suitability solution (e.g., an equimolar mixture of the positive control and the negative control).

A method for controlling a braking force of a brake system of a vehicle by means of a control device is provided. The method comprises the following steps: if there is a positive control difference between a braking force setpoint value (Bremskraft_Set) and a braking force actual value (Bremskraft_Ist): determining a first torque setpoint value (Drehmoment_Set 1); inputting the torque setpoint value as a manipulated variable (Drehmoment_Set) into a controlled system (14) of the brake system; and adjusting the braking force on the basis of the input manipulated variable (Drehmoment_Set); if there is a negative control difference between the braking force setpoint value and the braking force actual value after a preceding positive control difference: determining a second torque setpoint value (Drehmoment_Set 2) from the control difference; calculating a compensated manipulated variable (Drehmoment_Set) by subtracting a hysteresis value (Drehmoment_Hyst) from the second torque setpoint value (Drehmoment_Set 2); inputting the compensated manipulated variable (Drehmoment_Set) as the manipulated variable into the controlled system (14) of the brake system; and adjusting the braking force on the basis of the input compensated manipulated variable (Drehmoment_Set).

The present disclosure is directed to a kit for evaluating system inertness. The kit includes a positive control comprising a metal interacting moiety, and a negative control that does not contain a metal interacting moiety. In some embodiments the kit also includes a container to hold a system suitability solution (e.g., an equimolar mixture of the positive control and the negative control).

The invention relates to an ERA-Cas12a primer, a probe, crRNA and a kit for detecting insertion of a PLCP gene into EV-G, and belongs to the technical field of animal virus molecular biology detection. The kit comprises an ERA-Cas12a primer for detecting insertion of the PLCP gene into EV-G, a probe and crRNA, and further comprises a negative control template, a positive control template, a reverse transcription and ERA amplification reagent, a double-index nucleic acid detection test strip, Cas12a protein, an FAM / Biotin reporter and a lateral flow detection test strip. The kit provided by the invention has the advantages of specificity, sensitivity, rapidness, high efficiency, isothermal amplification, on-site rapid diagnosis and the like, and is easy to popularize and apply.

Embodiments directed to positive control of physical documents and removeable media devices are described. In one example embodiment, a computer-implemented method for positive control of physical documents includes determining that a document includes content of a defined type. The method further includes generating a physical document based at least in part on the document. The physical document includes the content and a unique identifier. The method further includes tracking the physical document based at least in part on document detection data obtained from at least one peripheral device that detects the unique identifier during a life cycle of the physical document. The document detection data is at least indicative of a status of the physical document at a time of detection by the at least one peripheral device. The method further includes performing one or more operations based at least in part on the document detection data.

The present description concerns a digital injection-locked oscillator (2). An adder (100) adds first and second digital words (OP2, OP1) and outputs a third result digital word (RES), the words being over N bits, with N an integer greater than 1. A register (102) updates the second word based on the third word (RES) at each period of a clock signal (clk). A first circuit (200) receives a reference signal (REF) at a natural frequency of an output bit (OUT), and a reference increment, inc_ref. The first circuit calculates a first value (valref) selectively equal to the reference increment inc_ref and to minus the reference increment inc_ref as a function at least of one state of the reference signal. The first circuit outputs the first word at least partly by adding the first value and a positive control number, P, the output bit being a bit of the second word.

The application provides a vehicle lighting synchronous control device and a synchronous control method. The signal detection unit acquires the ground voltage of the original vehicle lighting circuit in real time. The signal processing unit accurately identifies the control type (positive control or negative control) and the current light state according to the ground voltage, and converts them into a target state code. Finally, the control execution unit generates a driving signal according to the state code to realize real-time and accurate synchronous response of the target vehicle lamp and the original light state. The device does not need to break the line installation, has strong compatibility, can adapt to various vehicle models of different control types, effectively solves the problems of complex installation, poor synchronization and insufficient compatibility of traditional external lamps, and improves the safety and personalized experience of vehicle lighting.