102results about How to "Convenient method" patented technology

A method of processing signature-required payment using a handheld device with a wireless access capability is disclosed. When a consumer buys goods from a seller, the seller and consumer agree on the amount of payment and acceptable payment species. The delivery person of the shipper who delivers the goods on behalf of the seller processes the payment using customer's credit / debit card and a cellular phone or handheld device at the door of the customer. Upon approval of the payment, the delivery person releases the goods to the customer.

Compositions and methods are provided for use in eye health foods for preventing or treating eyestrain. The compositions comprise medicinal herbs or in combination medicinal herbs, vitamins, minerals, carrot root and liver of sheep. The compositions can be added to many health foods, such as cakes, candy, bread, chocolate. They are safe to the body and effective for preventing or treating eyestrain.

The invention discloses a multiple point control equipment networking system comprising, transport operation support system for controlling the proceeding of the meeting on the video signal exchange device, video signal exchange system for providing video signal terminal switch-in, video signal exchange and meeting control, custom realizing system consisting a plurality of partitions for providing meeting mode and multiple switch-in pattern needed for the session of the meeting. The invention can increase the equipment capacity factor, and by the adoption of centralized management and automatic dispatching, the uniform customer reservation interfaces are easy to provide, charging and service management are also made easy.

The invention belongs to the field of preparation of radioactive nuclide, and discloses a preparation method for a radioactive 68Ge solution. The preparation method comprises the following steps of: preparing a solid Ga4Ni alloy target containing gallium and nickel by using an electro-deposition method; performing CYCLONE 30 irradiation on the alloy target to prepare an alloy target containing radioactive 68Ge; cooling; electrolyzing the target; separating and purifying electrolyte on a silica gel column; desorbing 68Ge by using a nitric acid solution; evaporating a desorption solution to dryness; and dissolving solid-state 68Ge to prepare the radioactive 68Ge solution for a 68Ge-68Ga generator. The method has the advantages of simple equipment for preparing the Ga4Ni alloy target, quickness in method, high repeatability, stable process, firm target, high quality and easiness in target shooting. The 68Ge has the advantages of stable purification process, completeness in separation from impurity ions, nuclear purity of more than 99.995 percent, chemical purity of more than 98 percent, desorption efficiency of more than 98 percent, easiness in operation, no pollution and contribution to conventional and large-scale production.

The invention discloses a method and a device for identifying and counting number of rods in a bundle. The method comprises the following steps of acquiring an end face image at an end of the to-be-counted rods in the bundle by means of an intelligent mobile terminal; defining a to-be-identified boundary range of the rods in the bundle by means of the touch screen of the mobile terminal; performing pattern identification on the end surfaces of the rods in the to-be-identified boundary range and counting the end surfaces of the rods; and according to abnormalities which comprise recessions and black heads in the rods in the bundle and indication of each rod end surface which is identified by an image identification engine, increasing or reducing the counted number of the rods, thereby obtaining a final counting result. The method according to the invention has advantages of high convenience, high speed, high rod identification rate, easy carrying of equipment used in the method, easy operation by a worker without complicated training, and high suitability of a material manager in a building construction site.

The invention discloses a website security detection method and device. The website security detection method comprises the steps that a website is obtained; website programs used by the website are identified based on website fingerprint information of the website, and loophole detection is conducted on the website according to the website programs; lastly, a detection result is returned. By means of the website security detection method and device, the cost of the loophole detection on the website can be reduced obviously, the loophole detection speed can be increased, and the rate of missing report can be decreased.

The invention proposes a video collection method, a play method, a device, a terminal and a system, and belongs to the field of video play. The video collection method comprises the steps: pre-storing different emotion classes and corresponding human face emotion feature data in a server; obtaining the expression feature data through detecting the expression of a user when the user watches a video; determining the emotion class corresponding to the expression feature data according to the matching degree of the expression feature data and each piece of human face emotion feature data, and recording the watch progress of the video; carrying out the correlated storage of the play time and play address of a video segment, corresponding to the watch progress, and the emotion class, so that a user can directly switch to the video segment which triggers the emotion of the user when the user click the video and watches the video segment. The video collection method is convenient, is complete in collected information, simplifies the operation of a user, can directly meet the demands of the user, and improves the user experience.

The invention relates to hydroxy-terminated hyperbranched polyamine-ester polymer and an application thereof in a microfluidic chip. The preparation method of the hydroxy-terminated hyperbranched polyamine-ester polymer comprises the following steps: using equimolar diethanol amine and methyl acrylate to react and obtain N,N-dihydroxyethyl-3-aminomethyl propionate; and using trimethylolpropane and N,N-dihydroxyethyl-3-aminomethyl propionate to react, wherein G2 hydroxy-terminated hyperbranched polyamine-ester polymer, G3 hydroxy-terminated hyperbranched polyamine-ester polymer and G4 hydroxy-terminated hyperbranched polyamine-ester polymer are obtained respectively when the molar ratio of trimethylolpropane to N,N-dihydroxyethyl-3-aminomethyl propionate is 1:9, 1:21 or 1:45. The hydroxy-terminated hyperbranched polyamine-ester polymer is used to prepare the hydrophilic microfluidic chip. The preparation method of the chip comprises the following steps: oxidizing a polydimethylsiloxane (PDMS) microfluidic chip substrate in oxygen atmosphere; and connecting silane coupling agent with the inside of the substrate, and connecting the polymer with silane coupling agent. By strictly controlling the reaction conditions and the molar ratio of reactants, relatively regular polymer can be prepared. The polymer in the invention is used to modify PDMS, thus the hydrophilicity can be maintained permanent, any expensive instrument is not used and the preparation is convenient and fast.

The invention discloses a method for measuring the migration amount of harmful substances in printing ink. The method comprises the following steps of: weighing the printing ink, adding the harmful substances, and mixing for later use; adding the printing ink into an offset print printability tester, then printing paper samples; weighing solid foods or food simulants, uniformly covering on unprinted surfaces of sample pages, then placing the sample pages in sealed glassware, and setting different time under a certain temperature for migration; and performing quantitative and qualitative analysis on the harmful substances on the migrated foods or food simulants by a gas chromatography instrument or a gas chromatography-mass spectrometry or a liquid chromatography instrument or a gas chromatography flame ionization detector. Compared with the traditional printing method, the method disclosed by the invention is low in cost, and the content deviation of harmful substances in different sample pages in the same printing conditions is smaller; sample pages to be measured are applied to a migration test, and relative standard deviation of parallel samples in migration results is also smaller than plus or minus 15%; and the method disclosed by the invention is used for manufacturing the sample pages to be measured by using the real printing ink and is capable of measuring the migration situation of the harmful ingredients in the real printing ink.

The invention discloses a method of separating histidase enantiomer by a chitosan-modified gold nanochannel film. The method comprises the following steps: by taking a polycarbonate film and an aluminum oxide film as base films, adopting a chemical deposition method to prepare a gold nanochannel film; self-assembling chitosan onto the pore wall of the gold nanochannel to form a functional nanochannel film with chiral site selectivity on the surface; and separating D-histidine, L- histidine in a chiral manner by utilizing excellent separation ability of the nanochannel. During detection, silver sol is used as a surface enhanced Raman substrate to enhance SERS (surface enhanced raman scattering) effect of D-histidine, L-histidine, so that selectivity and sensitivity of the substance are improved to detect the D-histidine and the L-histidine at the same time. The invention provides a quicker and more convenient method for separating and detecting the chiral substance by constructing a coupling device of a nanochannel separating tank and an SERS detecting system, and shows unique advantages and wide application prospect of the method.

The invention, which relates to the field of authentication of authentic artworks, provides an anti-counterfeiting authentication and recording tracing system and method for paper-medium-based artworks. The method comprises: a paper print image acquisition device is used for carrying out processing on a paper-medium-based artwork like calligraphy work or a painting to obtain paper print information, and the information is uploaded to a server and is stored for the record; and when authenticity of a to-be-detected artwork needs to be authenticated, paper print information of the to-be-detected artwork paper is collected and is compared with original recorded paper print information stored in the server, and the authenticity of the artwork is determined based on the matching degree of paper print comparison. According to the system and method provided by the invention, on the basis of uniqueness, stability, and non-duplicated performance of the paper print, scientific and objective comparison is realized, thereby avoiding subjectivity of manual experience-based authentication; a problem of counterfeiting of separation of the authenticated object and the artwork according to other authentication methods can be solved; because of recording of the original artworks, records are made in a system database for all transactions, thereby realizing tracing of artworks transaction flow directions; and the system and method are convenient to implement and have the broad market application prospects.

The invention discloses a fatigue life calculation method of a welded steel bridge structure. The method comprises steps as follows: a steel fatigue resistance total-space S-N curve model with average stress modification taken into consideration is established; the real stress time history of steel bridge welding details is calculated in consideration of the coupling effect between welding residual stress and vehicle load stress; the real stress time history is processed with a rain flow counting method, and the stress amplitude, average stress and stress cycle number under the condition of single open traffic are calculated on the basis of a processing result; by use of the established total-space S-N curve model with average stress modification taken into consideration, the total stress cycle number corresponding to the stress amplitude and the average stress is calculated; on the basis of the calculated stress cycle number under the condition of single open traffic and the total stress cycle number, the fatigue life of steel bridge welding details is calculated. The influence of the average stress effect on the fatigue life of the welded steel bridge is accurately considered, the defect that existing steel bridge fatigue design standards for fatigue life are too high is overcome, and the method is worth wide application and popularization.

The invention discloses a quintuple RT-PCR detection method and kit for porcine epidemic diarrhea viruses, porcine transmissible gastroenteritis viruses, porcine rotaviruses, porcine sapoviruses and porcine kobuviruses. The kit comprises ten specificity amplification primers. In the using process of the kit, total RNA of a sample to be detected is subjected to reverse transcription to become cDNA through a 6-basic-group random primer, a detection reaction system in the kit is used for RCR amplification with the cDNA as a template, and whether the sample to be detected is infected with one kind of pathogens or is under mixed infection is determined according to different sizes of amplified PCR segments of different pathogens. On the condition of ensuring specificity and sensitivity, the kit has the advantages of being easy and quick to operate and lowering detection cost and labor intensity, and is suitable for field sample detection.

The invention belongs to the technical field of nano materials, and in particular relates to carboxymethyl chitosan nanoparticles modified with glycyrrhizic acid, as well as a preparation method and application thereof. The nanoparticles disclosed by the invention are in a core-shell type; a hydrophobic polymer serves as a kernel packaged medicament; and carboxymethyl chitosan serves as a hydrophilic shell and is covalently linked with hepatic targeting ligand glycyrrhizic acid. The preparation method comprises the following steps of: firstly grating and copolymerizing carboxymethyl chitosan and hydrophobic monomers and self-assembling to form nanoparticles in the action of an initiator; secondly, oxidizing glycyrrhizic acid to obtain a glycyrrhizic acid aldehyde solution, mixing the glycyrrhizic acid aldehyde solution with the nanoparticles at a certain proportion and introducing targeting groups, and carrying out ultrasonic loading on the medicament. Compared with the prior art, the preparation method is simple and easy to control and has good repeatability and better stability and safety; and the targeting property and the tumor-inhabiting effect of the anti-tumor medicament can be strengthened remarkably. The nanoparticles serve as a targeting delivery vector for hydrophobic medicaments or molecular probes and can be used for treatment and diagnosis of liver diseases.

The invention relates to the manufacturing technology of SiC devices, in particular to a SiC etching method for gentle and smooth side wall morphology. The method includes the steps of cleaning SiC materials, depositing a loose mask layer, photoetching, carrying out dry etching on the mask layer, carrying out wet etching on a smooth mask layer, removing photoresist and carrying out dry etching on the SiC materials. The key process improvement refers to that dry etching on the loose mask layer and wet etching on the smooth mask layer are combined. According to the method, the process of only adopting wet etching on the mask layer is changed, and therefore the problem that the mask bar width is decreased due to lateral erosion in the wet etching is solved. By means of the method, the SiC etching morphology of gentle and smooth side walls can be obtained effectively and conveniently.

The invention discloses a novel drug-eluting balloon catheter and a preparation method thereof. The drug-eluting balloon catheter consists of a catheter and a drug coating, wherein the drug coating consists of drug particles, an amphiphilic emulsifier and an excipient, and the drug particles wrapped by the amphiphilic emulsifier are uniformly dispersed in the excipient. The drug-eluting balloon catheter has effects of quickly releasing the drug, improving efficiency of transferring the drug into the blood vessel wall in a short time and improving the bioavailability, and has a good applicationprospect in interventional science.

A method for applying a barrier to structures to prevent the infiltration of pest species (unwanted organisms) uses a (e.g., coating) composition formed from a polyurethane (e.g., film-forming) polymer system and a pellet comprising a pesticide incorporated into a sorbent and dispersed in the polyurethane polymer system. The composition protects the structure by application either to the structure or to a pathway that leads to the structure. Advantageous polymer systems include polyurethanes rich in urea linkages and predominating in aliphatic and alicyclic backbones.

The invention discloses a method for quantitatively detecting PSI-OAm-NAPI amphiphilic polymer nano-drug carriers based on trace fluorescence immunoassay. The method comprises the following steps: hydrolyzing PSI-OAm-NAPI to prepare and obtain immune antigens and coating antigens of MFAP, diluting the MFAP coating antigens through a coating solution and then coating the MFAP coating antigens in an elisa plate, sealing, adding MFAP standard products with different concentrations, taking FITC-labeled MFAP antibodies as primary antibodies, and building a direct competition fluorescence immunoassay quantitative detection MFAP. The method is capable of making full use of high specificity of the antigens and antibodies in the immunologic reaction and combining the high specificity of the antigens and the antibodies with sensibility of fluorescence, so that signals of the immunoreactions are further improved; the fluorescence intensity is used for carrying out quantitative analysis; the method is convenient and rapid, is low in detection cost, high in specificity and high in sensitivity, and is capable of carrying out high-flux measurement.

The invention provides a method for precisely determining the position of a self-organization quantum dot by an optical method. A metal disk is taken as a sign, a confocal scanning microscope is used for measuring a reflection signal and a fluorescence signal used for marking a sample, image data is analyzed, system errors are carefully corrected, then, the spatial position of the quantum dot relative to a metal signal is obtained, and the positioning of a single quantum dot is realized. The method has universality and can be used for various types of positioning work of a single nanometer structure with fluorescent property. Positioning accuracy is obviously improved through detailed error analysis, and requirements on the positioning accuracy in the vast majority of work can be met. An automatic control system is used for finishing measurement, a computer program is used for finishing data processing, the positioning work of a large batch of quantum dots can be realized, and the method has extremely high engineering applicability.

The invention relates to a method for extracting procyanidine from fruit or pomace of aronia melanocarpa elliot. The method comprises the steps of dipping the fruit or pomace of the aronia melanocarpa elliot into an organic solvent, conducting Flash extraction for 0.5-30 minutes by using a Flash extractor, carrying out suction filtration and centrifugation to obtain a procyanidine extract solution of the aronia melanocarpa elliot; concentrating the procyanidine extract solution of the aronia melanocarpa elliot by using a negative pressure rotary evaporation device to obtain procyanidine extract concrete of the aronia melanocarpa elliot; and after pre-freezing the procyanidine extract concrete of the aronia melanocarpa elliot by using an ultra-low temperature refrigerator, carrying out freeze drying on the procyanidine extract concrete by using a freeze drying device to obtain the freeze-dried powder of a procyanidine extract of the aronia melanocarpa elliot. According to the method disclosed by the invention, low temperature in the whole course can be realized, procyanidine disintegration caused by high temperature can be avoided, the loss of anthocyanin in the extracting process effectively can be effectively avoided, the operation is simple and the cost is low, and promotion in enterprises can be achieved by forming an automatic production line, so that the method has a relatively high commercial value.

The invention provides a method for determining reasonable liquid production capacity of different well groups in an offshore oilfield. The method for determining reasonable liquid production capacity of different well groups in the offshore oilfield comprises the followings steps: step 1, analyzing differences of different well groups and building a typical well group geologic model; step 2, according to the built typical well group geologic model, researching influence rules of all single factors on reasonable production pressure difference and reasonable liquid capacity; step 3, quantitatively sorting influence degrees of all single factors, and determining main factors influencing the reasonable production pressure difference and reasonable liquid capacity; and step 4, comprehensively considering all main factors, orthogonally designing multiple schemes for optimal computation, and drawing a reasonable production pressure difference and reasonable liquid capacity consulting board chart. The method for determining reasonable liquid production capacity of different well groups in the offshore oilfield has the advantages that the problem that oil well reasonable production pressure difference and reasonable liquid capacity of different oil wells in the sea is difficultly determined under the influence of multiple factors is solved, so that the purpose of greatly increasing the recovery ratio of the offshore oilfield is realized.

An analysis method of organic additives in rubber and plastic auxiliaries with rubber as carriers specifically includes the steps of firstly, taking, 1 part by weight of sizing material master batch carrying auxiliaries, cutting the master batch into pieces, adding solvent A, and conducting ultrasonic dissolution; secondly, continuing to add solvent B for ultrasonic extraction after dissolution is completed till gel blocks appear and phase separation happens; thirdly, taking a liquid phase and gas inlet phase gas chromatograph-mass spectrometer (GC-MS) to detect the mass spectrum of liquid, and recognizing the types of the organic additives through mass spectrums of all the components. The method is rapid and convenient, qualitative analysis is conducted on the organic additives by using the GC-MS and the mass spectrums, and sensitivity and accuracy are high.

The invention relates to a method for rapidly predicating the bovine serum albumin-water distribution coefficient (log K [BSA / W]) of an organic compound on the basis of molecular structures and a model establishment method. According to the method, ovine serum albumin-water distribution coefficient prediction is conducted according to the following model, namely, log K [BSA / W]=0.747*log[Kow]+0.476*E[HOMO]-0.024*CCR+0.870*q<+>+0. 007*CSEV+4.342, wherein the log[Kow] represents the n-caprylic alcohol-water distribution coefficient, the E[HOMO] represents the maximum occupied molecular orbital energy, the CCR represents nucleus-nucleus repulsive energy, the q<+> represents the most positive net charge, and the CSEV presents the Connolly solvent repulsion volume. The method has the advantage that the distribution coefficients of various types of neutral organic compounds in the bovine serum albumin and water can be rapidly predicted according to the method. Descriptors of the molecular structures which are used can be easily obtained, the regression analysis method is simple, and therefore the method is convenient and rapid to use, low in cost and excellent in performance.

The invention discloses a quadruple fluorescent quantitative polymerase chain reaction (PCR) detection kit for porcine intestinal coronavirus. The kit comprises eight six-base random reverse transcription primers having sequences shown in SEQ ID No. 1-SEQ ID No. 8, and four probe primers having sequences shown in SEQ ID No. 9-SEQ ID No. 12. The primers in the kit provided by the invention are specific primers which designed according to a highly conserved region of a conserved gene causing a main pathogen of porcine digestive tract virus diseases; a quadruple fluorescent quantitative PCR detection method is established for detecting porcine epidemic diarrhea virus (PEDV), porcine transmissible gastroenteritis virus (TEGV), porcine delta coronavirus (PDCoV) and porcine intestinal alpha coronavirus (PEAV); a most direct basis is provided for timely treatment, prevention and control of epidemic situations, and the sound development of the pig industry is escorted.

The invention provides a play control device and method, and relates to the field of terminal technology. The device and method can be used to realize automatic pause and play functions, and improve the user experience. The play control device is internally provided with a gravity sensor; the gravity sensor is arranged in an earphone or earplug, and transmits collected earphone motion state information to a mobile terminal; and the mobile terminal gives an automatic pause / play instruction according to the motion state information collected by the gravity sensor. The method and device are suitable for play control of multimedia files of the terminal.

The invention provides a BIM technology-based pile foundation penetration depth determination method. The method comprises the steps of arranging three-dimensional coordinate information of each exploration point of a bearing stratum interface into a csv file; generating a curved surface in Civil 3d, defining the curved surface by using the *.csv file obtained in the step A, generating a three-dimensional geologic model taking a supporting layer interface as an upper surface by applying a command of 'extracting from the curved surface', and exporting an ACIS entity, namely a .sat file; inserting the .sat file and the made pile foundation model project file into Revit software, and integrating a pile foundation and a supporting layer model; counting the length of each pile after the pile end is integrated to the surface of the supporting layer to generate a pile foundation detail list; and obtaining the buried depth of each pile on the basis of the length of the pile in the pile foundation detail list and the depth of the pile tip entering the supporting layer in the design file. The method is convenient and rapid, only simple mouse and keyboard operation is needed, complex programming learning is not needed, general construction site technicians can learn rapidly, and the method has generalizability in a project site.

The invention discloses a primer combination for detecting TNNI3K gene mutation. The primer combination is characterized by comprising a primer group and a probe set which are used for detecting c.1910C>T mutation in TNNI3K gene. The primer combination has the advantages that the all-exon sequencing technology is used to acquire dilated cardiomyopathy pathogenic gene new mutation, and the fluorescent quantitative PCR technology is used to simply, fast and accurately detect the TNNI3K-c.1910C>T new mutation; multiple case samples can be detected in one step, and a new method is built for the clinical early molecular diagnosis and prevention of dilated cardiomyopathy.

The invention discloses a building dynamic room temperature prediction method based on an equivalent RC model. According to the method, the influence of disturbance and ventilation in a building is not considered, the heat storage and release effect of a heat accumulator of the building is considered, the heat storage and release capacity of the building is regarded as heat capacity to analogize acapacitor element in a circuit, heat transfer resistance of the building is regarded as heat resistance to analogize a resistor element in the circuit, and in addition, solar radiation and heat (cold) are analogized to be a current source in the circuit. The method applies a system identification theory. An equivalent RC model structure of a single building is established based on the building thermal process. Model step-by-step driving is carried out by using hour-by-hour room temperature monitoring data of several different stages in the actual operation process of the building and hour-by-hour heat (cold) supply quantity historical data of corresponding stages; and corresponding hourly meteorological conditions and initial conditions are input, and model parameters are identified stepby step through a genetic algorithm (GA), so that an equivalent RC model with determined parameters is obtained, and the dynamic average room temperature of the building is predicted.

The invention discloses a sandwich selling system based on a wireless network. The system comprises one or more sandwich selling machines and a main machine. Each sandwich selling machine comprises a shell, wherein the shell is internally provided with a sandwich making device and a remote communication module. The sandwich selling machines and the main machine are connected through the remote communication modules. Each shell is provided with a coin insertion and change module. The system is convenient and quick to use, safe and reliable, sandwiches made through the system are excellent in both color and taste, large-scale application and management are easy, manpower cost is reduced, benefits are improved, and requirements of people for the sandwiches can be fully met.

The invention relates tomethod for obtaining mechanical behavior of pulloutof a planar geosynthetics-soil interface. The method for obtaining mechanical behavior of pulloutof the planar geosynthetics-soil interface comprises the steps that (1) under a certain overburden pressure, the geosynthetics-soil interface of reinforced soil structure is subjected to a pullout test to obtain load-displacement curve data; (2) three feature points are taken in the obtained load-displacement curve, and the values of the three points are put into a calculation formula to determine control parameters; (3) thecontrol parameters are put into a model calculation formula to determinemechanical behavior curves of each stage such as the load-displacement curve, the shearing stress distribution, and the internal displacement distribution, and a complete mechanical behavior characteristic curve is obtained; (4) under other overburden pressures, the control parameters of the step (2) are converted and put intothe step (3) again to obtain various mechanical behavior characteristic curves under other overburden pressures. Compared with the prior art, the method for obtaining mechanical behavior of pulloutofthe planar geosynthetics-soil interface determinesrequired pullout parameters through implementation of only one pullout test, and a good geosynthetics-soil interface pullout mechanical behavior canbe obtained.