68results about How to "Avoid verbosity" patented technology

The invention relates to a dissolving and processing method for wood, cotton, bamboo and hemp fiber with ionic liquid, which is characterized in that: (1) the pulverized wood or the pulverized cotton, the pulverized bamboo and the pulverized bast pulp are uniformly mixed with the ionic liquid; the spinning solution of the total solid content of 3 to 40% is formed through dissolving and deaerating for 1 to 120 hours at 35 to 160 degrees centigrade; wherein the weight ratio of the wood or the cotton, the bamboo and the bast is 30 to 80% : 7 to 60% : 10 to 60% ; (2) the spinning and the concreting bathing solidification are carried out after being filtered and deaerated; (3) the oiling and the drying process are carried out after being pulled, rinsed and bleached, so as to obtain a composite fiber. The dissolving and processing method for wood, cotton, bamboo and hemp fiber with ionic liquid has the advantages that: due to use the ionic liquid, the productivity is high, the recovery is easy, the requirement of the green production is satisfied and the prepared composite fiber has good mechanical strength; simultaneously the different fiber characteristics of a plurality of materials such as the wood or the cotton, the bamboo and the bast are synthesized; the source of the material is wide; the cost is low; and the advantages of various natural celluloses can be synthesized according to the requirement.

The invention relates to a method of preparing a cellulose fibre releasing anions by using the solvent method and the application. The method has the following steps: firstly, the comminuted cellulose, tourmaline powder and addition agent are well mixed with an ironic liquid, dissolved at a temperature of 35 to 160 DEG C, deaerated for 1 to 120 hours and a homogeneous and stable spinning solution with a total solid content of 3 to 30 percent is formed, wherein, the mixed mass ratio of the tourmaline powder is 0.01 to 20 percent and the added mass ratio of the addition agent is 0 to 10 percent; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a composite fibre of cellulose and tourmaline powder is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The composite fibre has the functions of releasing anions, generating far infrared radiation, generating biocurrent and suppressing bacteria and is applicable to the fields of garments, ornaments and medical textiles. The ironic liquid used in the invention has high production efficiency, is easy for callback and conforms to the requirement of a green production. The prepared composite fibre has excellent mechanical strength and mechanical property, and the fabric made of the composite fibre can release anions, resist bacteria and prevent mildew.

The invention discloses a method for recognizing time information from natural voice information. The method comprises steps of: acquiring natural voice information and recognizing the natural voice information to obtain text information; identifying at least one time characteristic matching with the text information and searching, according to the matched time characteristic, at least one configuration file to obtain a corresponding time character; assigning the time character to a field corresponding to the configuration file in which the time feature is located in intermediate data; and obtaining time data based on the content of each field in the intermediate data. The invention also discloses an apparatus for recognizing time information from natural voice information. The method and apparatus store the time characteristic in the configuration file, make program codes more readable and avoids long codes. When the time characteristic data is required to be modified or added, only the configuration file is required to be modified and there is no need changing and re-encoding the program codes, thereby simplifying the modification process of a recognition program and providing convenience for the maintenance of the program codes.

The invention provides a preparation method and a preparation device of isotropic pitch coke. The preparation method includes the steps of S1, subjecting molten pitch to atomization to obtain atomized pitch; S2, pyrolyzing the atomized pitch by contacting with high-temperature gas to obtain isotropic pitch coke, wherein the temperature of the high-temperature gas ranges from 500 DEG C to 1400 DEG C. The molten pitch is atomized and carbonized, the retention time for high-temperature carbonizing stage of pitch is short, and the intermediate phase process is omitted so that the isotropic pitch coke is obtained directly; further, the isotropic pitch coke can be utilized directly for producing isotropic graphite, the procedure of grinding and fining is omitted, the technique is simplified, and the lengthiness of processing flow is avoided; in addition, the isotropic pitch coke has low porosity which is favorable for improving strength of graphite.

The invention provides a method for preparing a cellulose / nanometer titanium dioxide blending material in an ionic liquid solvent, wherein a fiber consists of the cellulose and nanometer titanium dioxide particles. The ionic liquid solvent can directly dissolve the cellulose to avoid a complicated process for traditionally dissolving the cellulose; the nanometer titanium dioxide can be added to form uniform and stable spinning solution of cellulose / nanometer titanium dioxide; and the cellulose / nanometer titanium dioxide blending fiber material can be obtained through fiber spinning plasticizing, stretching, washing and drying. The composite material prepared by the method has the advantages of strong intensity, breaking elongation and flexibility, maintains the performance of regenerated cellulose filament, and has the functions of antibacterial activity and ultraviolet absorption. In the composite material prepared by the method, the cellulose is firmly combined with the nanometer titanium dioxide, and the nanometer titanium dioxide is evenly distributed and is difficult to run off. An ionic liquid is used as the solvent to prepare the cellulose composite material, so the method has the advantages of simple and convenient process, recyclable solvent, convenient operation and low cost, and is suitable for large-scale industrial application.

The invention relates to an intelligent antenna beam forming front end based on high speed communication modulator multiplexing, which comprises a radio frequency local oscillator, a power amplifier, a baseband circuit, a wave form generating circuit, a digital / analog conversion control circuit, more than one high speed vector modulator and more than one antenna. Carrier oscillating signals provided by the radio frequency local oscillator are amplified by the power amplifier and transmitted to the high speed vector modulator. The digital / analog conversion control circuit simultaneously receives high speed communication digital baseband signals produced by the baseband circuit and intelligent antenna space beam forming data produced by the wave form generating circuit, modulates the digital baseband signals and converts the beam forming data into analog control signals for controlling the high speed vector modulators. Each high speed vector modulator modulates the amplitude and the phase of the carrier oscillating signals according to the received control signals, and transmits the modulated carrier oscillating signals through respective antenna so as to form different antenna beams in the space. The invention avoids the problems of lengthy link, complex system, and the like of the traditional system.

The invention discloses a configuration method and a configuration device for PUCCH resources under carrier aggregation, which are used for solving the problems that according to a configuration method for PUCCH resources in the prior art, part of UE (User Equipment) cannot configure the PUCCH resources and the process of activating a non-main carrier is tedious. The method comprises the steps that: after determining non-main carrier signal intensity obtained by each of UE in an administering range of a base station, the base station screens out M pieces of UE; corresponding special PUCCH resources are respectively configured to each of the M pieces of UE; and a public PUCCH resource is configured to other UE except for the M pieces of UE. Therefore, not only can each UE be guaranteed to timely acquire the special PUCCH resource when the number of the UE is small, but also due to existence of reservation of the PUCCH resources, the UE sharing one public PUCCH resource also can be guaranteed to timely acquire the special PUCCH resources.

The invention discloses a measuring device and method for cable force of a cable-stayed bridge based on a mobile terminal. An acceleration sensor is integrated on a mobile terminal; the measuring device comprises a parameter setting module, an acceleration measuring module, a vibration data processing module and a display module. The invention further discloses a measuring method. The method comprises the following steps: starting a measuring procedure on the mobile terminal, and setting physical parameters of a cable; fixing the back side of the mobile terminal on the cable; invoking an API provided by the intelligent mobile terminal to visit bottom hardware; reading a cable vibration signal of the cable-stayed bridge collected by the acceleration sensor; conducting FFT converting on the cable vibration signal of the cable-stayed bridge to obtain cable self-vibration frequency; calculating cable force according to physical relation of the cable force and the self-vibration frequency; displaying cable vibration wave form, spectrum and measuring result. The device and the method have the advantages that the measuring process is simple, the cost is low, the size is small, the carrying is convenient, and no hardware is added.

The invention discloses a volcanic mud essence spray mask and a preparation method thereof, relates to a mask and a preparation method thereof, and aims to solve the problems that an existing volcanic mud mask becomes dried increasingly in the using process and is not well attached to the skin and effective components cannot be completely conducted into the skin and cannot be completely utilized. The volcanic mud essence spray mask is prepared from volcanic mud essence, lanolin, lauric acid, lauryl trimethy ammonium chloride and ethyl perfluorobutyl ether. The preparation method comprises the following steps: mixing the lanolin, the lauric acid and the lauryl trimethy ammonium chloride to obtain a mixture; adding the mixture into the volcanic mud essence, uniformly stirring and dispersing the mixture, and then adding the ethyl perfluorobutyl ether; performing uniform stirring, and putting the product into a spray tank to obtain the volcanic mud essence spray mask. The invention discloses the volcanic mud essence spray mask and the preparation method thereof.

The invention discloses a stable high-strength conducting fibroin gel in a natural environment and a preparation method of the gel. Fibroin denaturation solvents mutually soluble with ionic liquid areadded into fibroin ionic liquid solution, so that fibroin is subjected to conformation transformation in the mixed solvents, and a physical crosslinking network is further formed, namely, the stablehigh-strength conducting fibroin gel in the natural environment is prepared. The preparation method is simple, green, mild, high in efficiency and low in cost, energy is saved, and the mechanical property of the final gel can be regulated by changing solid content or types and the content of the denaturation solvents (or changing the proportion of the denaturation solvents to the ionic liquid). The prepared fibroin gel is high in strength, good in toughness and stable in performance, has conductivity, cannot run dry in long-time placement in the natural environment, can serve as a gel electrolyte material without sealing, and has application values in a plurality of fields.

The invention relates to a C-14 high sensitivity measurement device based on gas sampling and a positive ion source. The device comprises a microwave ion source for generating positive ions of carbon;the microwave ion source is connected with a charge exchanger; the positive ions of carbon are converted into negative ions through the charge exchanger; the charge exchanger is connected with an injection magnet; the injection magnet injects the negative ions of carbon into an acceleration and gas stripping system through a beam focusing system; when disintegrating molecular ions, the acceleration and gas stripping system strips the negative ions of carbon so as to obtain positive ions, and then accelerates the positive ions; the acceleration and gas stripping system is connected with an analysis magnet and an electrostatic analyzer; the analysis magnet removes the disintegrated molecular ions, separates 14C, 13C and 12C from one another, and makes 14C enter the electrostatic analyzer; and the electrostatic analyzer is connected with a detector. With the device of the invention adopted, the rapid and efficient measurement of a 14C sample is realized, and a requirement for small-scale14C high-sensitivity measurement can be satisfied.

The invention relates to a method of dissolving and processing a bamboo-hemp fibre by adopting an ionic liquid. The method has the following steps: firstly, the comminuted pulp of bamboo and hemp is well mixed with an ironic liquid, dissolved at a temperature of 35 to 160 DEG C, deaerated for 1 to 120 hours, and a homogeneous and stable spinning solution with a total solid content of 3 to 50 percent is formed, wherein, the mass ratio of bamboo and hemp is 1-99 percent to 99-1 percent; secondly, the spinning solution is filtered, deaerated, spinned and solidified through a coagulation bath; and thirdly, a bamboo-hemp blended composite fibre is obtained after the procedures of stretching, water cleaning, bleaching, oiling and drying. The ironic liquid used in the invention has high production efficiency, is easy for callback and conforms to the requirement of a green production. The prepared composite fibre has excellent mechanical strength and mechanical property and the fabric made of the composite fibre has the advantages of excellent hygroscopic property, strong ventilation property, soft handfeel, excellent fabric drapability, easy variegation and powerful bacterium resistance. Simultaneously, the prepared composite fibre provides a material used in the departments of medicine and health.

The invention discloses an electrochemical detection method for rapidly detecting L-Cystine content in acid solution, and relates to the field of electrochemical detection. The unmodified silver electrode is used as a working electrode; the platinum electrode is used as a counter electrode; the Ag / AgC1 electrode is used as a reference electrode; and, according to the linear relation between the electrochemical response signal and the concentration of the to-be-detected object, the quantitative detection of the L-Cystine is performed conveniently, rapidly and precisely by using the cyclic voltammetry or the differential pulse voltammetry. After verification, the electrochemical detection method provided by the invention can rapidly, conveniently and precisely online detect the reaction process for electrochemically reducing the L-Cystine to composite the L-Cysteine by detecting the concentration of L-Cystine. The method does not depend on the large-scale instrument and equipment; the adopted unmodified silver electrode is simple in preparation and low in cost; the detection method is sensitive, simple, convenient and rapid for detecting the L-Cystine, can be used for detecting the L-Cystine content in acid solution, and is hopeful to be popularized in online monitoring the reaction process for electrochemically reducing the L-Cystine to composite the L-Cysteine.

The invention discloses a novel gear phase detection tool, and belongs to the gear phase detection technical field. The novel gear phase detection tool comprises a pedestal, an upper end cover, a push plate and a positioning mechanism. The positioning mechanism comprises a left claw, a right claw, a left tip and a right tip. The left claw and the right claw are connected with the pedestal through telescoping springs. The pedestal is provided with a push plate slot. The left claw and the right claw correspondingly slide in a positioning chute under the effect of the push plate. The upper end cover is arranged on the top of the pedestal. The upper surface of the upper end cover is provided with phase detection graduation lines, which include a standard graduation line. The standard graduation line, the left tip and the right tip are on the same straight line. The upper end cover is provided with a tip motion window. The upper end cover and the push plate are connected through positioning pins. The novel gear phase detection tool has a simple structure, is convenient to operate, and is capable of detecting a phase deviation between inner teeth and outer teeth of a gear immediately. Moreover, the time for gear phase detection can be greatly reduced, and the gear phase detection efficiency can be improved.

The invention discloses a message content based data processing method and system as well as an electronic device. The method comprises the steps of obtaining all message records for a specific user object in a first time interval as first message records; screening the first message records to obtain second message records meeting a set rule; according to the time corresponding to the second message records, determining a second time interval; according to first data matched with the first time interval and second data matched with the second time interval, determining a task completion amount; according to the task completion amount, determining basic data and a weight coefficient in a first data processing rule; and based on the determined basic data and weight coefficient, calculating the first data and / or the second data to obtain target data. Through the method and system as well as the electronic device, the problem of excessive platform load is solved.

The invention discloses an automatic coupling probe for an ultrasonic department, and relates to the technical field of medical equipment. The automatic coupling probe for the ultrasonic department comprises a detection assembly, a protection mechanism sleeving the end part of the detection assembly, and a cooperation assembly for connecting the detection assembly and the protection mechanism, wherein the detection assembly comprises a probe body and an automatic coupling mechanism which are connected in a clamped mode through a connecting assembly; the protection mechanism comprises an outerframe and a sleeve frame arranged at the end part of the outer frame in a sleeving mode; a movable groove is formed in the outer frame; the edge of one end of the sleeve frame extends inwards to forma movable part; and the movable part is matched with the interior of the movable groove to form a movable mechanism. The adjustable protection mechanism is arranged and can cover the probe, and the buffering purpose is achieved when the probe falls accidentally, so that the probe is protected, the probe is effectively prevented from being damaged due to accidental falling, dust can be prevented from being accumulated on the probe, the service life of the probe is prolonged, and the use cost of the probe is reduced.

The invention relates to a method and device for generating an electronic medical record, a computer device and a storage medium. The method comprises the following steps of: receiving an electronic medical record generation instruction, wherein the electronic medical record generation instruction carries a user identifier; acquiring first medical record information and diagnosis information corresponding to the user identifier from a hospital server; judging whether abnormal results exist in the first medical record information according to a knowledge map; when an abnormal result exists, carrying out first marking on the first medical record information of the abnormal result; acquiring a correlation degree corresponding to the first medical record information of the normal result, wherein the correlation degree is the correlation degree of the first medical record information of the normal result and the diagnosis information; when the correlation degree is larger than a first threshold value, carrying out first marking processing on the first medical record information with the correlation degree larger than the first threshold value; and generating an electronic medical recordaccording to the first medical record information corresponding to the first mark processing. By adopting the method, the electronic medical record content can be optimized.

The invention discloses a message notification generation method. The method comprises the following steps: acquiring attribute information of a first data object, wherein the attribute information comprises at least one of three types of information of the first data object, i.e., login information, recharge times information, and recharge amount data information, and the first data object is a data object newly added within a set time interval; calling a pre-established prediction data model for analysis of the attribute information of the first data object, and obtaining analysis results, wherein the prediction data model is generated according to historical login information, historical recharge times information and historical recharge amount data information of data objects that satisfy set conditions; determining whether the first data object belongs to type I data objects or type II data objects according to the analysis results, wherein the type I data objects are data objects satisfying a first set rule, and the type II data objects are data objects satisfying a second set rule; and generating a message notification corresponding to the type of the first data object according to the type of the first data object.

The invention provides a method and equipment for controlling security levels of a storage system. The method comprises the following steps: dividing the storage system into a plurality of security levels, setting a corresponding encryption suite matching with each security level, in response to a received request for accessing the storage system, obtaining a security level corresponding to the request, reading encryption suite configuration corresponding to the security level, and in response to receiving a verification password matching the encryption suite, permitting access of the storagesystem. Through the method, system security level flexible control can be realized, normal running of the service is guaranteed, the same set of storage system can meet various security level requirements of users, configuration content is simplified, lengthy processing is avoided, the problem that a user cannot directly modify a configuration file under the condition that the system does not allow direct modification of the configuration file is solved, unified and flexible control over various service safety of the storage system is achieved, and the problem that errors are likely to happenwhen the configuration file is directly and manually modified is avoided.

Disclosed is a hydraulic rubber pipe, comprising: a joint inner sleeve, a joint outer sleeve sleeved outside the joint inner sleeve, and a high-pressure hose disposed between the joint inner sleeve and the joint outer sleeve. The right end of the joint outer sleeve is in threaded connection to the joint inner sleeve; and a cavity is formed between the left end of the joint outer sleeve and the outer surface of the joint inner sleeve. The hydraulic rubber pipe further comprises a rubber pipe locking mechanism; and the rubber pipe locking mechanism is disposed in the cavity, and is used for locking the high-pressure hose on the joint inner sleeve. The present invention has the following advantages: a joint and the high-pressure hose are connected in a mechanical buckling manner; the customization of the hydraulic rubber pipe according to the distance of a hydraulic element can be prevented; the high-pressure hose having an appropriate length is shorn out for connection only by means of the distance of the element, so that the pipe dispensing efficiency can be improved, and the pipeline redundancy caused by wrong measurement in pipe dispensing can be prevented; and the destructed position of the high-pressure hose can be shorn off for other purposes, so that the utilization rate is greatly increased, and the cost is saved.

The invention discloses a roundness measurement method based on two sensors, and the method comprises the steps: detecting a radial run-out signal of a detected workpiece through two sensors, combining an estimation value through employing a turnover method algorithm and a two-point method algorithm based on the radial run-out signal, carrying out the quantification through frequency domain hybridization, and further guaranteeing the estimation value. Therefore, the accuracy and precision of measurement results are ensured.

The invention discloses a double-breathing device for a department of cardiology, and relates to the technical field of medical instruments. The double-breathing device for the department of cardiology comprises a machine body, an oxygen supply device, and an atomization device, wherein the machine body comprises a base, a supporting column is installed at the top end of the base, and universal self-locking wheels are fixed to the four corners of the bottom of the base; the oxygen supply device is installed at the top of the supporting column, and is used for conveying oxygen; and the atomization device is installed at the front side of the supporting column. According to the double-breathing device, through the arrangement of a storage device, the storage of a pipeline of the oxygen supply device and a pipeline of the atomization device can be realized, so that the arrangement of the oxygen supply device and the atomization device pipeline is facilitated, the situation that the pipeline of the oxygen supply device and the pipeline of the atomization device are lengthy to be wound is effectively prevented, the breathing device is convenient to use, the occupied space of the breathing device can be reduced, storage of the breathing device is facilitated, and the practicability of the breathing device is greatly improved.

The invention discloses an easy-to-install hydraulic hose connector for engineering machinery. The connector comprises an inner sleeve, a connector outer sleeve is in threaded connection with the outer circumferential side face, close to the right end, of the inner sleeve, and an annular hose inserting groove is formed between the connector outer sleeve and the inner sleeve; an annular cutting groove is formed in the inner side wall of the inner sleeve, multiple notches are evenly formed in the side wall of the inner sleeve in the circumferential direction at intervals, the notches communicatewith the hose inserting groove and the annular cutting groove, and the notches are located in the left end of the annular cutting groove; a pressing block is slidably connected in each notch in the radial direction of the inner sleeve, a moving hose is in threaded connection with an opening in the right end of the annular cutting groove, and the left end of the moving hose extends into the annular cutting groove and is used for controlling the pressing blocks to extend into the hose inserting groove from the notches; and the right end of the moving hose is sleeved with a hose connector nut. The hydraulic rubber hose connector is simple in structure and capable of facilitating connection between a high-pressure hose and the connector.

The invention mainly discloses an illuminating system for a historic building gallery bridge and a construction method thereof. The illuminating system comprises a roof, ceiling lamps and stand columns; the stand columns are symmetrically supported below the roof; the ceiling lamps are connected to the stand columns through arc hollow pipes; each ceiling lamp comprises a lamp base, a lamp frame and a lamp cap; a wire winding block, a wire groove and a battery base are arranged in each lamp base; the arc hollow pipes penetrate through the lamp bases, and are provided with wire penetrating holes in the lamp bases; each lamp frame consists of a first connecting shaft, a baseplate and vertical plates, wherein the vertical plates are separately fixed on the left and right sides of the baseplate, the baseplate is connected with the corresponding lamp base through a second connecting shaft, two ends of the first connecting shaft are connected to the vertical plates in a rotating manner; and each lamp cap is connected to the corresponding first connecting shaft. The illuminating system is simple in structure, convenient to install and adjust and low in cost, saves the space, cannot destruct the internal structure and the appearance design of a building, is low in influence on the gallery bridge, and not only can guarantee integrity of a historic building without damaging, but also can achieve a better illuminating effect.

The invention discloses a determination method and system for the demanded quantity of boiler fuel and an adjustment method and system for the boiler fuel. The determination method comprises the following steps that the steam generating rate of a boiler in a combustion stabilization state is obtained so as to obtain a historical value of the steam generating rate; the steam generating rate of the fuel is predicted by utilizing the historical value of the steam generating rate so as to obtain the predicted value of the steam generating rate; and the demanded quantity of the fuel is calculated by utilizing the predicted value of the steam generating rate and the current load capacity of the boiler. According to the determination method and system for the demanded quantity of the boiler fuel and the adjustment method and system for the boiler fuel, in the combustion process of the boiler, when the fuel value changes due to various factors, the change can be embodied by the change of the steam generating rate, and therefore the demanded quantity of the fuel which is finally calculated through the historical value, obtained in a rolling mode, of the steam generating rate is accurate; and in addition, the situation that the fuel value changes greatly can be adapted to according to the adjustment range determined by the demanded quantity of the fuel and the adjustment limit amplitude of the fuel, the problem of under-adjustment or over-adjustment can be avoided, meanwhile, a tedious process of obtaining the fuel value by chemical analysis can also be avoided, and the correction response speed can be increased.

The invention provides a router and communication system. When points are connected by a L2VPN, it is necessary to unify the address system (network). When the user sets the address manually, address duplication may occur or the network may not be unified due to a setting mistake. In addition, when points are connected by a L2VPN, the VPN internet connection is redundant, and therefore must be prevented. The delegate CE router from among the CE routers that make up the VPN determines the address that is distributed by the other CE routers on the LAN. The determined address is included in the control message for establishing the VPN and the address is then distributed to the other CE routers. Also, the control message for establishing the VPN includes the interface MAC address that is used by the CE routers on the LAN. Each CE router controls the channel according to the MAC address of the next-hop router.

The invention discloses a synthesis method of GalNAc<alpha>1, 3Gal or Gal<alpha>1, 3Gal glycosidic bond oligosaccharide. The method comprises the following steps: a non-reductive tail end Gal of target oligosaccharide is subjected to <alpha>1, 2-fucosylation modification, so that a substrate can be recognized by <alpha>1, 3-N-acetylaminogalatose glycosyltransferase or <alpha>1, 3-galactose glycosyltransferase to synthesize GalNAc (Fuc<alpha>1, 2)<alpha>1, 3GAL or Gal (Fuc<alpha>1, 2)<alpha>1, 3Gal glycosidic, fucose is removed to synthesize target oligosaccharide containing a GalNAc<alpha>1, 3Gal or Gal<alpha>1, 3Gal glycosidic bond. The method combines high region selectivity and high efficiency of enzymatic synthesis together and realizes synthesis of a target molecule with a higher yield. The glycosyltransferase, glycoribosidase and glucokinse used in the method are all derived from prokaryotes, and the method has the advantages of high protein expression quantity, wide substrate adaptability, high catalysis efficiency and the like and can be applied to mass preparation.

The invention discloses chiral monophosphine ligand CF-Phos of a pyridine skeleton, and a preparation method and application thereof. The monophosphine ligand is a compound 1, or an enantiomer, a racemate and a diastereomer of the compound 1. The preparation method of the ligand includes taking compounds as shown in the specification as raw materials, and subjecting the raw materials to condensation reaction, substitution reaction, hydrolysis reaction and addition reaction to prepare the monophosphine ligand; or taking compounds as shown in the specification as raw materials, subjecting the raw materials to condensation reaction to obtain reactants, subjecting the reactants and a compound as shown in the specification to addition reaction to prepare the monophosphine ligand. Through the addition reaction between the compounds with two configurations and different types of metal reagents, the chiral monophosphine ligand, namely an optically pure compound with four general configurationsof 1(S, Rs), 1 (R, Rs), 1 (S, Ss) and 1 (R, Ss) can be obtained. The invention further discloses the application of the ligand in copper-catalyzed asymmetric lactonization reaction of unsaturated carboxylic acid, and the ligand has wide application value.

The invention discloses a data processing method and system for a business object and an electronic device. The method comprises the steps of determining business object information corresponding to received current data; obtaining attribute information of a business object indicated by the business object information, wherein the attribute information comprises first information indicating the level of the business object and / or second information indicating a jurisdictional area of the business object; determining a data processing rule matched with the attribute information, wherein the data processing rule comprises basic data and a weight coefficient; according to a task completion amount correspondingly indicated by the current data, determining a data level that the current data belongs to; and performing screening according to the determined data processing rule to obtain basic data and a weight coefficient matched with the determined data level, and calculating the current data to obtain target data. Through the method and system and the electronic device, the problem of low data processing efficiency is solved.