92results about How to "Little cross effect" patented technology

The invention relates to a time sharing multiplex control method for a single-inductance double-output switching power supply and a circuit thereof. Two DC-DC (direct current) converters are integrated in one chip to generate outputs of two voltages; two output branch circuits share one inductance; the time sharing multiplex control method is adopted; a time sharing conduction switch is arranged at an output end of each output branch circuit; one clock period is divided into a plurality of units; in each clock period divided unit, one path of output is separately controlled; the voltages of the two paths of outputs are respectively compared with a reference voltage to generate duty cycle pulse signals for controlling a primary loop and a secondary loop; then the duty cycle pulse signals are input into a gating signal generating module to generate two gating signals; and the two gating signals are input into a driving module to generate gating signals of a primary switch and a secondary switch, so that two paths of outputs without cross influence in a continuous conduction mode are realized and the aims of outputting two paths of stable voltages and regulating the size of a load current are fulfilled.

The invention discloses an X-ray detector and a manufacturing method thereof. The X-ray detector comprises an interconnection substrate, bonding interconnection, a photovoltaic conversion device chip and a CMOS pixel reading chip, wherein the bonding interconnection penetrates through the interconnection substrate and is exposed out of the two main surfaces of the interconnection substrate, the photovoltaic conversion device chip is bonded with one main surface of the interconnection substrate, the CMOS pixel reading chip is bonded with the other main surface of the interconnection substrate, and a bonding pad of the photovoltaic conversion device chip is electrically connected with a bonding pad of the CMOS pixel reading chip through the bonding interconnection. According to the X-ray detector, working processes can be simplified, and reliability and yield can be improved.

The invention discloses a frequency conversion control method and device for a single-inductor dual-output switch converter in a continuous conduction mode. By limiting inductive current peak and valley, the control on a main switch tube and branch switch tubes in the converter is finished and independent adjustment of each output branch is realized. Compared with a conventional single-inductor dual-output switch converter working in a continuous conduction mode, the frequency conversion control method and device have the advantages of good stability, high reliability, strong anti-jamming capability, high input or load transient response speed, little cross influence of the output branches and the like, and can be used for controlling various converters with single-inductor dual-output topological structures, such as a Buck converter, a Boost converter, a Buck-boost converter, a Bipolar converter and the like.

The invention relates to a method for detecting 1,5-anhydro sorbitol and a related diagnostic kit. In the method, a sample and adenosine diphosphate are reacted in the presence of adenosine diphosphate dependent hexokinase serving as a catalyst to form anhydroglucose-6-phosphoric acid and adenylic acid, the anhydroglucose-6-phosphoric acid and thio-oxidative NAD(nicotinamide adenine dinucleotide) are reacted in the presence of 1,5-AG(anhydro glucitol)-6-phosphate dehydrogenase(PDH) serving as a catalyst to form thio-reduced coenzymes and compounds of C6H11O8P, and simultaneously the generated C6H11O8P is reacted in the presence of AG-6-PDH and reduced NAD to form AG-6-P and oxidative coenzymes; and because of the cyclic amplification, the sensitivity of 6-anhydro sorbitol is improved. The invention also provides a detection kit for 1,5-anhydro sorbitol based on the method. The kit is convenient and easy to use, can quickly finish detection on a common ultraviolet/visible light analyzer or semi-/full-automatic biochemical analyzer, does not need special or additional instruments and is low in cost.

The invention discloses a combined dynamic continuous-flow control method and device of a pseudo-continuous conduction mode single-inductor double-output switching converter. Combined control is carried out on a main switch tube of the switching converter by combining output voltage and capacitive current information; and dynamic continuous-flow control is carried out on a continuous-flow switch tube through capacitive current and load current, so that independent adjustment of various output branches is achieved. The pseudo-continuous conduction mode single-inductor double-output switching converter disclosed by the invention has the advantages of good stability, small cross influences among the output branches, high input transient response speed and load transient response speed, high efficiency and the like.

The invention relates to the technical field of wireless electric energy transmission, and particularly discloses an energy signal simultaneous transmission structure and a dynamic wireless energy transmission system. The system comprises a transmitting end and a receiving end. The transmitting end is an energy signal simultaneous transmission structure and comprises a plurality of sections of guide rail type wireless energy transmitting coils and primary side signal coils overlapped with the guide rail type wireless energy transmitting coils, and each section of guide rail type wireless energy transmitting coil is of a Q-shaped energy transmitting coil structure; the primary side signal coil is integrally arranged in parallel to form a DD type primary side signal coil structure in the width direction relative to the multi-section guide rail type wireless energy transmitting coil; the receiving end comprises a secondary side signal coil and a wireless energy receiving coil, the secondary side signal coil is arranged to be of a DD type secondary side signal coil structure, and the wireless energy receiving coil is arranged to be of a Q type energy receiving coil structure. A DD typecoil and a Q type coil are adopted in a signal transmission channel and an energy transmission channel respectively, and due to the fact that the DD coil and the Q coil can achieve natural decoupling, parallel transmission of energy and signals is achieved.

The invention relates to enzyme method measuring sodium ion content method and its diagnosis kit. It is adopted galactosidase reaction colorimetry to use sodium ion to activate beta-galactosidase enzymolysis o-nitrophenol group-beta-D- pyranoside galactose to make 405nm dominant wavelength absorbance rise. Its absorbance amplitude of fluctuation is proportional to sample sodium ion. The method has high specificity, good accuracy. The diagnosis kit can be made into bi-agent to reduce cross influence. The method can be quickly measured by ultraviolet/visible light analyzer or semi/full automatic biochemical analysis. Its measuring cost is low; and it is convenient for generalization and application.

A method for determining concentration of homotype cysteine includes synthesizing cystathionine B synthase, homotype cysteine and serine to be cystathionine; cracking cystathionine by cystathionine B lyase to change it back to be homotype cysteine and to generate ammonia and pyruvic acid; using some chemicals to act on ammonia to let reduction coenzyme be oxidized to be oxidation coenzyme for determining out absorbance dropping speed of reduction coenzyme at 340nm then estimating out concentration size of homotyp cysteine. Its diagnosis kit can be prepared in double dosages for decreasing cross influence of various compositions.

The invention discloses a message matching method, a server and a computer readable storage medium. According to the method, at least one message in a same type in a transaction is linked by a way ofbuilding a message link, and the latest message in the message link is input into a matching pool. At least at least two messages to be matched having same index columns are acquired according to a matching rule and the index columns of the messages to be matched. The messages to be matched are paired according to the corresponding matching rule, and matching states of the messages are modified according to matching results. According to the method, the matching pool is set for the mechanism to reduce cross influence between the mechanisms, and the index columns are set in the messages to reduce a query range so as to improve a message matching speed. Furthermore, the method supports matching of multiple data types and multiple matching modes and matching algorithms, and thus the system becomes more flexible.

The invention relates to measuring method for carbon dioxide content and diagnosing kit. The invention directly uses carbon dioxide( bicarbonate radical) and pyruvic acid to produce malic acid by decarboxylation of malic dehydrogenase and oxidizes reduced coenzyme into oxidized type coenzyme, measuring the decent rate of dominant wavelength 340nm absorbance could quantitatively response the carbon dioxide content in sample, thus, the strength of bicarbonate radical could be extrapolated. The method has high specificity, has no pollution from inside and outside material, and accurate test result. The diagnose kit is made up into bi-agent or tri-agent that could reduce cross influence from each component and keeps stability of the agent that is convenient for long-term storage. The method could quickly test on commonness ultraviolet/ visible light, analysis or semi-transfer/ full automatically biochemical study instrument, and doesn't need particularity or extra instrument. The testing cost is cheap, and is convenient for popularization.

The active feature inspection for acetylglucosamidase and its diagnostic agent box uses its fostering of continuous monitoring method, enzymolysising dual chlorineor chlorine acetylglucosamidase reaction, through the absorbance elevating speed of the 405nm, inspecting its active feature. The agent box comprises the bumper solution, synthesized nitrobenzene betaacetylglucosamidase and stabilizer to make dual agent by the diagnostic agent box to reduce cross impact of all kinds of components. Through visible light analyzer, the result is precise, free from outside contamination, easy for promotion.

The invention is about the measuring method of Inorganic Phosphates and its diagnosis reagent box. Producing hydroperoxide by reacting pyruvate oxidase with pyruvate under the activation ofInorganic Phosphates in the sample of plasma or serum and so on, and producing acetaldehydeby reacting hydroperoxide with alcohol under the existence of hydroperoxide enzyme, and then transferring oxidized coenzyme to reduced coenzyme by reacting acetaldehyde and aldehyde dehydrogenase, testing the ascending range of dominant wave-length34nm absorbance before and after the reaction and finally measuring the content of Inorganic Phosphates. This method has high specificity and would not be contaminated by material of internal and exogenous sources, and the result is precise and accurate. Diving the diagnosis reagent box into double-dose or three-dose can reduces the cross interaction of each element, keeps the stability of the reagent and deposits chronically. Using this method can realize the fast testing in common ultraviolet/ visible light analyzer or semiautomatic/automatic analyzer and doesní»t require special or additional apparatus, so the cost is low. Thus, this method can be easily promoted and applied in the whole industry.

The invention discloses a silicon carbide MEMS temperature and pressure composite sensor chip and a preparation method thereof. The sensor chip comprises a peripheral pressure measuring unit and a central temperature measuring unit; the pressure measuring unit comprises a silicon carbide substrate with a convex island, and a circular back cavity is etched on the back surface to form a pressure sensitive diaphragm; wherein the convex islands and the pressure sensitive membrane form a membrane island structure; four piezoresistive strips are symmetrically arranged outside the convex island and inside the pressure sensitive diaphragm along the circumference of the root of the pressure sensitive diaphragm; the temperature measuring unit comprises a substrate convex island and a thin film thermocouple arranged on the substrate convex island; When pressure acts on the chip, the pressure measuring unit converts the pressure into an electric signal through a semiconductor piezoresistive effect and a Wheatstone bridge and outputs the electric signal. Meanwhile, the temperature measuring unit converts the temperature into thermoelectric force through the Seebeck effect of a metal film thermocouple and outputs the thermoelectric force, so that real-time detection of the pressure and the temperature at the high temperature is completed. The sensor chip has the advantages of high temperature resistance, miniaturization, high sensitivity, good stability and the like.

The invention relates measuring method of monoamine oxidase activity and its diagnostic kit, comprising the following steps: using the benzylamine, p-toluidine red-ª‰-azo naphthol, butyl amine, amyl amine, ª‰-phenylethylamine, tyramine and other aminated compounds as substrate, it reacted with monoamine oxidase to produce auricome, then auricome carried out coupling reaction with hydrogen peroxidase and aldehyde dehydrogenase, carrying out the reaction to turn the oxidation type coenzyme to reduction type coenzyme, detecting the ascending velocity of absorbance of main wavelength 340nm to reflect the activity of monoamine oxidase in sample by definite quantity. The method has high specificity, good accuracy. The diagnostic kit is made to double agents or tri-agent to reduce the across impact and keep the agent stability and be good for long term storage. The method can be rapidly detected by the ultra-violet/visible light analysis meter or semi-automatic/full-automatic biochemical analysis meter, so the method is easy to spread and use.

The invention relates measuring method of monoamine oxidase activity and its diagnostic kit. The method comprises the following steps: carrying out reaction with benzylamine, tyramine and monoamine oxidase to produce the hydrogen dioxide, then taking it with peroxidase to carry out enzyme coupling reaction, oxygenizing the achromatic color reduction type chromogen to become the quinone imines chromogen or indamine chromogen dye, detecting the change of absorbance of main wavelength 400-600nm to reflect the activity of monoamine oxidase in sample by definite quantity. The method has high specificity and good accuracy. The diagnostic kit is made to double agents or tri-agent to reduce the across impact and keep the agent stability and be good for long term storage. The method can be rapidly detected by the ultra-violet/visible light analysis meter or semi-automatic/full-automatic biochemical analysis meter, so the method is easy to spread and use.

The invention discloses a short-term power consumption prediction method based on Spark. The method is mainly characterized by comprising the following steps: according to historical power energy consumption data and weather information, the STL time sequence decomposition and the support vector regression are used for predicting the power energy consumption use condition in the future short term;a Spark distributed computing framework is used for accelerating model training under mass power consumption data, so that the mass data processing capacity of the model is improved, meanwhile, due to the fact that an STL time sequence decomposition algorithm is used, the cross influence among components is reduced, and the prediction precision of the model is improved.

The invention provides a composite chromium-free corrosion inhibition passivator as well as preparation and application thereof. The passivator is composed of an agent A and an agent B in a mass ratioof 1 : 2.5-2.8, wherein the agent A comprises humic acid, barium metaborate, magnesium nitride, hydrogenated polydimethylsiloxane and styrene-acrylic emulsion; the agent B comprises phosphate, nanoscale mineral powder, plant slurry, bis (dicarbonyl cyclopentadiene iron), a silane coupling agent, waterborne silicon resin and deionized water. According to the composite chromium-free corrosion inhibition passivator as well as the preparation and application thereof, the self-made agent A and the self-made agent B are compounded, the synergistic effect of the components is remarkably improved through reasonable raw material selection and treatment, safety and high efficiency are achieved, the prepared passivator is stable in film layer and high in binding force, the passivator has good corrosion-resistant protection effects on chemical reagent, acid-base environment and various heavy metal pollutions, the overall wear resistance is obviously improved, the comprehensive quality is obviously improved, the protection period is effectively prolonged, and the passivator is worthy of popularization and application.

The invention is about the measuring method of inorganic Phosphates and its diagnosis reagent box. Producing hydroperoxide by reacting pyruvate oxidase with pyruvate under the existence of Inorganic Phosphates , then causing enzyme-coupled reaction with peroxidase and oxidating the colorless reduced chromogen combination to quinoneimine chromogen or indamide chromogen dyer with color, testing the variation of dominant wave-length 400ú¡600nm absorbance during the reaction and finally measuring the content of Inorganic Phosphates . This method has high specificity and would not be contaminated by material of internal and exogenous sources, and the result is precise and accurate. Diving the diagnosis reagent box into double-dose or three-dose can reduces the cross interaction of each element, keeps the stability of the reagent and deposits chronically. Using this method can realize the fast testing in common ultraviolet/ visible light analyzer or semiautomatic/automatic analyzer and doesní»t require special or additional apparatus, so the cost is low. Thus, this method can be easily promoted and applied in the whole industry.

The invention is about the enzyme method of measuring magnesium ion and its diagnosis reagent box. Making use of the peculiarity that magnesium ion in the sample of plasma or serum and so on can activate the activation of hexokinase, and producing glucose-6-phosphate by reacting glucose under the existence of adenosine triphosphate, and then causing coupled reaction with phosphoglucose dehydrogenase and transferring oxidized coenzyme to reduced coenzyme. Testing the ascending range of dominant wave-length340nm absorbance and finally measuring the content of magnesium ion in the sample. This method has high specificity and would not be contaminated by material of internal and exogenous sources, and the result is precise and accurate. Diving the diagnosis reagent box into double-dose or three-dose can reduces the cross interaction of each element, keeps the stability of the reagent and deposits chronically. Using this method can realize the fast testing in common ultraviolet/ visible light analyzer or semiautomatic/automatic analyzer and doesní»t require special or additional apparatus, so the cost is low. Thus, this method can be easily promoted and applied in the whole industry.