43results about How to "Simple application" patented technology

The invention relates to the technical field of 3D printing, in particular to mercaptan-alkene light-cured resin for 3D printing and a preparation method of the mercaptan-alkene light-cured resin for3D printing. The mercaptan-alkene light-cured resin for 3D printing is prepared from multi-mercaptan, an acrylic resin prepolymer, a reactive diluent, an initiator, an ultraviolet absorbent, a fillerand an auxiliary raw material. According to the 3D printing light-cured resin, under the existence of a photoinitiator, during printing polymerization forming, a chain transfer reaction between doublebonds and sulfydryl occurs to reduce the volume of a polymer, so that the mercaptan-alkene light-cured resin has the advantages that oxygen-free polymerization inhibition is realized, the crosslinking degree and the reaction speed can be controlled according to different vinyl monomers, and a small number of the photoinitiators are used. By introduction of mercaptan-alkene click reaction into the3D printing resin, the curing time can be shortened, the toughness and the hardness of a 3D printing material can be improved, the production efficiency is improved, and the energy utilization rate is greatly increased.

The invention provides a city signal control intersection traffic state detecting and evaluating system based on data characteristic and a method and an application thereof. The system comprises a vehicle state detection unit, a control state monitoring unit, a signal collecting unit, a microprocessing unit, a data transmitting unit, a data processing unit and a traffic state display unit, wherein, the vehicle state detection unit and the control state monitoring unit are connected with the signal collecting unit in parallel; then the signal collecting unit is also connected with the microprocessing unit, the data transmitting unit, the data processing unit and the traffic state display unit sequentially; the microprocessing unit is also connected with a real time data storage unit signal; and the control state monitoring unit is also connected with a traffic signal lamp signal. The method is applicable to various traffic engineering technology activities carried out by traffic real time data analysis, and the method has the advantages of intuition, easy application, high judgement accuracy and wide application range.

An elevator with self-running cage is composed of a shaft with rack bar type track in it, and a cage with a rack-bar-gear engaged self-running mechanism. Its advantage is no need of steel cable.

The invention provides a quantitative evaluation method of a heavy oil steam stimulation water flooded layer. The quantitative evaluation method of the heavy oil steam stimulation water flooded layer comprises the following steps: step 1, determining resistivity of mixed formation water of the heavy soil stimulation water flooded layer according to analysis assay data or logging curve data of the formation water of the water flooded layer; step 2, calculating oil reservoir water saturation Sw according to rock resistivity of a coring well by using an archies formula on the basis of determining the resistivity of the mixed formation water of the heavy oil stimulation water flooded layer; step 3, calculating oil displacement efficiency eta of the water flooded layer according to the calculated oil reservoir water saturation Sw and oil-water relative permeability test data of the coring well; step 4, establishing a heavy oil stimulation water flooding degree judgment standard to realize quantitative judgment and recognition of the water flooding degree of the heavy oil stimulation. The quantitative evaluation method of the heavy oil steam stimulation water flooded layer has better operability, contributes to generalization, and provides a practical and feasible method for fine description of the heavy oil reservoir stimulation water flooded layer.

The invention relates to a round tube positioning mechanism. The lower part of a sliding supporting rod is positioned in the axis of a connection base through a cylindrical pin; fine threads are arranged in the middle of the sliding supporting rod and are in threaded connection with an adjustment nut; the adjustment nut supports a guide sleeve; symmetrically arranged vertical long-strip stepped holes are formed in the guide sleeve; a through hole is formed in the upper part of the sliding supporting rod; a finished bolt sequentially penetrates through one long-strip stepped hole and the through hole of the sliding supporting rod and then is movably connected with a butterfly nut in the other long-strip stepped hole; the bottom surface of a bolt head of the finished bolt and the bottom surface of the butterfly nut are clamped and connected onto the long-strip stepped holes respectively; a stepped pin is arranged in the axis of the upper end of the guide sleeve; a V-shaped supporting base is arranged on the stepped pin; symmetrical ball bearings are arranged on the V-shaped supporting base. The round tube positioning mechanism is simple to machine, the height can be adjusted, meanwhile, the positioning precision is high, and with the adoption of a positioning method, various specifications of pipe fittings can be positioned and supported.

The OFDM BS transceiver comprises: a transmission system with a variable emission module and a receiving module, a software radio controller to control modules and set relative parameters, and a channel allocation controller to appoint sub-carrier for user. This invention is benefit to update system and terminal, and simple to application in real system.

The invention provides a file management method and a file management system. The file management method comprises the following steps of: acquiring a first file; acquiring environmental information through a first acquisition unit; judging whether the environmental information satisfies a first predetermined condition to obtain a first judged result; and when the first judged result indicates that the environmental information satisfies the first predetermined condition, performing access management setting on the first file. According to the file management method and the file management system, access management setting can be performed automatically on files which meet the requirement of secrecy, so that security access setting on important files is prevented from being missed or forgotten.

The invention provides a device of realizing Android platform shutdown alarm reminding by using an independent alarm module. The device comprises an alarm data storage unit for storing the alarm data, a speaker for completing time data operation and controlling a handheld smart device, an alarm processing unit for realizing an alarm response and a power management unit. The alarm data storage unit is connected with the alarm processing unit, and the power management unit is connected with the alarm data storage unit and the alarm processing unit respectively. With the device and the method of realizing Android platform shutdown alarm reminding by using the independent alarm module, an alarm mode can be realized in the shutdown mode.

The invention discloses a design method of a micro data center. The method is a solution for obtaining the data center in a single equipment cabinet. An IT equipment system, a switchboard, a display, a standby storage battery system, an air conditioner cooling system, an environment monitoring system and a remote monitoring system are integrated into the single equipment cabinet, and a power supply interface and a network interface can be directly used after being provided by a client so that the single equipment cabinet can meet the requirement of the small client for the data center. Due to the design method, the small, simple and fast deployment requirement of the client can be met, application of the data center can be easier, and the market requirement is met.

The invention discloses a method for producing high-strength metallurgical coke by increasing the blending proportion of gas-fat coal and belongs to the technical field of coal blending for coking. According to the method, the high-strength metallurgical coke is produced through control on the volatile component index Vdaf, the caking index G, the maximum gelatin layer thickness Y and the distribution range of the vitrinite mean maximum reflectivity Rmax (0.8-1.5%). With the adoption of the method, the blending proportion of the gas-fat coal can be up to 18%, the coke thermal strength CSR is higher than 65%, and requirements of iron-making by blast furnaces larger than 2500 m<3> can be met.

The invention relates to a switch power supply control chip which comprises a power supply voltage supply module, a power factor correction module, a logic control module and a sampling signal module, wherein the power supply voltage supply module is used for receiving a direct current (DC) pulse signal of a main stage winding and supplying power for all the modules of the switch power supply control chip; the power factor correction module is respectively and electrically connected with the sampling signal module and the logic control module; the logic control module is respectively and electrically connected with the power factor correction module, the power supply voltage supply module and the sampling signal module; the sampling signal module is used for receiving the DC pulse signal and is respectively and electrically connected with the power factor correction module and the logic control module. The switch power supply control chip can directly sample an internal high-voltage power metal oxide semiconductor (MOS) field-effect tube, and can control the current-limiting point phase position and the amplitude of the chip by the voltage information of an auxiliary winding, thus realizing active high power factor control and high-accuracy constant current output.

The invention provides an amplitude limiting method for reducing a PAPR in an OFDM system on the basis of a quantification theory and relates to the field of orthogonal frequency-division multiplexing communication. The amplitude limiting method is used for solving the problem that an amplitude limiting method at present is too high in error rate. The amplitude limiting method is based on the quantification theory, a principle of the amplitude limiting method is utilized, and a plurality of quantized values are set according to amplitude differences of input signals so as to achieve the goal of amplitude limiting. The method is improved on the basis of a traditional amplitude limiting method, is simple to apply, can effectively reduce the PAPR in the OFDM system and is low in computation complexity. In addition, the quantification theory is applied to the amplitude limiting method; compared with the traditional amplitude limiting method, non-linear variations of signals are smaller, original input signals can be correctly recovered at a receiving end, and the error rate of the OFDM system can be remarkably reduced while PAPR performance reduction is guaranteed.

The invention relates to a calculation method for sensing overvoltage of a power distributing line based on PSCAD (power systems computer aided design)/EMTDC (electromagnetic transients including DC). The method mainly comprises the following steps of establishing a PSCAD/EMTDC circuit model of a power line sensing in a thunderbolt, designing a sensing overvoltage calculation self-definition element, and enclosing the PSCAD/EMTDC circuit model of the power line sensing in the thunderbolt and the sensing overvoltage self-definition element into a model in the PSCAD/EMTDC of the power line sensing in the thunderbolt. By adopting the calculation method, the model is established to more simply and conveniently calculate the sensing overvoltage of the power distributing line, and the analysis is carried out on the sensing overvoltage. According to the calculation method, the defects of an inaccurate experience formula and a complicate figure calculation method are overcome, and the efficiency of analyzing the sensing overvoltage is improved.

The solid fermentation process of producing alpha-galactosidase includes the following steps: 1. preparing spore suspension; 2. preparing the first order seed; and 3. fermentation of alpha-galactosidase. Or, the solid fermentation process of producing alpha-galactosidase includes the following steps: 1. preparing spore suspension; 2. preparing the first order seed; 3. preparing the second order seed; and 4. fermentation of alpha-galactosidase. The alpha-galactosidase produced through the said process has high enzyme generating activity, simple preparation process and easy production application.

The invention provides a new method for dividing water injection layer sections of an offshore water injection well. The new method for dividing the water injection layer sections of the offshore water injection well includes the following steps: a step 1, comprehensively considering the permeability gradational difference, the thickness gradational difference, the number of small layers in each layer, the water logging degree of each layer and the pressure difference so as to determine a water injection well layered injection boundary standard through a numerical simulation method; a step 2, counting the number of layers, the sand thickness, the permeability, the water logging degree and pressure distribution of an injection opened layer position of an existing layer section of the water injection well, and calculating the thickness gradational difference and the permeability gradational difference of each water injection layer section; a step 3, performing layer section primary division on the water injection well according to the layered injection boundary standard; and a step 4, considering the water injection process, performing suitable adjustment, and acquiring a final division result. The new method for dividing the water injection layer sections of the offshore water injection well is clear in thinking , is simple to apply, is feasible in offshore and similar oil reservoir water injection well layer section division.

The invention provides a lipid droplet fluorescent probe, acquired by subjecting 9,10-phenanthraquinone and N,N-diethyl-4-aminobenzaldehyde to reflow reaction in acetic acid under ammonium acetate catalysis and protective gas, and separating. The lipid droplet fluorescent probe can detect lipid droplets by single-photon or dual-photon fluorescence during cell or tissue imaging.

The invention relates to a micro-slip control system for a wet double clutch automatic transmission. The micro-slip control system performs micro-slip control on a transmission to make the actual slipfrequency of the transmission reach a target slip frequency and isolate a power train from the vibration of an engine through the micro-slip clutches. As for the control, the ability to isolate the vibration must be considered, as well as the clutch wear and fuel consumption. The goal of the control is to avoid the slip frequency being too low that causes the clutches to be stuck and the failureto achieve the purpose of isolation vibration; and to avoid the slip frequency being too high that causes the temperature of the clutches to rise too fast. The algorithm of the application is easy toimplement, easy to apply, strong in operability, and convenient in data collection.

An illuminated instrument assembly includes an instrument cluster having a graphical image and a pointer moveable relative to the graphical image to indicate a vehicle operating condition. In one example, the pointer has a body and an arm portion. A light source illuminates at least a portion of the pointer. The arm portion of the pointer is at least partially coated with a surface finish comprising a metal substrate to eliminate light bleed and the halo effect that may occur when viewing the graphical image.

The invention discloses a method for creating a common maize inbred-line by introducing teosintes in a maize cultivated specie, belonging to a method for creating maize breeding materials in crop breeding. The method integrates multiple technologies of creating the common maize inbred line, comprising the following steps: step 1, environment variation: giving only 12 hours of illumination everyday in an artificial darkroom to let teosintes and the maize cultivated specie flower in the same period; step 2, introduction of hybridization: according to a routine hybridization bagging method, using the cultivated specie as the female parent and the teosintes as the male parent to hybridize; step 3, backcrossing improvement: using the female parent cultivated specie corresponding to F1 as the female parent, taking F1 mixed pollen to backcross with the female parent to obtain BC1 seeds, sowing the BC1 seeds, taking BC1 mixed pollen to carry out secondary backcross with the female parent to obtain backcrossing second generation (BC2) seeds; step 4, pedigree breeding: sowing the BC2 seeds, preferably individual plants, carrying out continuous inbreeding of more generations to obtain a stable inbred-line; and step 5, using the stable inbred-line as the female parent, taking test line pollen to hybridize, planting and identifying the hybridized combinations, and comparing and screening excellent combinations.

The invention relates to a method for feeding sea cucumbers with proportioned bait in a suspending cage breeding mode, and belongs to the field of aquiculture. The method adopts powdery sea cucumber compound feed, pre-gelatinized starch and drained soaked kelp, and is characterized in that the drained soaked kelp is cut into small slices to be placed into a non-toxic container; the powdery sea cucumber compound feed, the pre-gelatinized starch and the drained soaked kelp are mixed according to a weight ratio of 1 to 2 to 8; during mixing, the sequence needs to be taken into consideration, that is firstly, the powdery sea cucumber compound feed and the drained soaked kelp slices are mixed uniformly, and then the mixture is uniformly mixed the pre-gelatinized starch, wherein in the process, the flouring of the pre-gelatinized starch and stirring are operated at the same time, and the stirring cannot be stopped until the mixture is uniform and the powdery sea cucumber compound feed is uniformly adhered to the surfaces of the kelp slices; during feeding, suspending cages are pulled out from water, bait feeding windows at all layers of each cage are opened, and the uniformly mixed bait is fed according to the food intake of the sea cucumbers.

The invention relates to the field of vaccinology, in particular to a high-efficiency non-injection type transmission method for a live vaccine. The transmission method comprises the steps of: making vaccines into an oral vaccine and an immersion vaccine; and transmitting the oral vaccine and the immersion vaccine by a superposition method. The vaccine transmission method avoids the limitation of the conventional injection method, is simple and practicable, has relatively low manufacture cost, has an unlimited application range, and has nearly the same high-efficiency immune effect as the injection method.

A double-sided adhesive metal-based tape for use as contacting aid for SOFC fuel cells is provided. The double-sided metal-based adhesive tape is suitable for simplifying the construction of cell bundles. The double-sided metal-based adhesive tape is used for electrical contacting of the cell connector with the anode and for electrical contacting of the interconnector of the fuel cells with the cell connector. A method for producing the double-sided adhesive metal-base tape is also provided.

The invention discloses a turnbuckle rigidity cable stayed rod piece and a roof face long cornice support system construction method thereof. the method comprises the first step of adjusting and positioning a base; the second step of erecting a support frame; the third step of installing the turnbuckle cable stayed rod piece; the fourth step of installing a beam template; the fifth step of examining and reinforcing a frame body; the sixth step of pouring concrete; and the seventh step of detaching the template and the support frame. According to the turnbuckle rigidity cable stayed rod piece and the roof face long cornice support system, construction method thereof application is simple and overhaul is convenient , a connection rod piece is in a stress state by adjusting the turnbuckle, the safety factor is high, the problem that the a cantilever scaffold and other frame bodies cannot meet the cable stayed requirement on account of the flexible cable stayed condition is solved, the purpose that round steel is in a expected press is achieved, construction is rapid, the efficiency is high, and the construction period is shortened. Machining is rapid, and cost is reduced.

The invention discloses a transmitting method, a saving method, a terminal and a system for user information. The method comprises the following steps: during the call process between a calling terminal and a called terminal, the calling terminal obtains user information of the calling terminal at a designated storage area; the calling terminal transmits the user information to the called terminal through an end-to-end signaling message. By virtue of the invention, the problem that transmission of the user information has higher requirements on the network side equipment in the correlation technique is solved.

The invention proposes a high-voltage bootstrap diode composite device structure, with which, under the conditions that the chip area is saved, low leakage current is guaranteed and a control circuitis not additionally arranged, the high-voltage withstand characteristic is met, the composite device can effectively replace a bootstrap diode in a high-voltage gate drive chip, and the function of the bootstrap diode is achieved and optimized. The composite device structure consists of a high-voltage JFET and a diode and can be used in a level shift module of a high-side circuit of a high-voltagegate drive circuit, and a source electrode of the JFET is connected with a cathode of the diode through metal, so the high-voltage bootstrap diode composite device is formed. In the aspect of layout,the composite device is combined with an LDMOS of a partition RESURF structure or a self-shielding structure for level shift to form a high-side circuit roundabout, the high-side circuit roundabout and a high-voltage circuit in the roundabout form a high-side circuit, and the high-side circuit roundabout and the high-voltage circuit jointly control on-off of a high-side power transistor.

The invention discloses a power decoupling method for a voltage controlled grid-connected inverter, belonging to the field of grid-connected inverter control research. The method proposes a decoupling strategy based on feed-forward control, the magnitude of a coupling quantity of active power and reactive power is calculated in real time according to the power equation of the grid-connected inverter, and then phase angle feed-forward and amplitude feed-forward are respectively introduced into control loops of active power and reactive power to counteract coupling of power, wherein the feed-forward quantity and the coupling quantity are opposite in symbol and equal in magnitude. The method has an obvious decoupling effect, is simple and convenient in application, facilitates direct upgrade of the existing inverter, improves the performance and the stability of the grid-connected inverter, and provides good reference value for engineering application.

The invention discloses a screen window. The screen window is characterized in that if the left side and the right side and one side at the lower face of the screen window are made of the fabric surfaces of nylon locking buckles, three corresponding sides of a screen window frame are made of hook surfaces of the nylon locking buckles, and if the left side and the right side and the one side at the lower face of the screen window are made of the hook surfaces of the nylon locking buckles, the corresponding three sides of the screen window frame are made of the fabric surfaces of the nylon locking buckles. Matched zippers can also be adopted by the screen window, and if a wood window (of a push-away structure) factory directly makes the nylon locking buckles and four metal hooks in a customization mode, a sum of money can be saved. The screen window can be more convenient to use. The screen window is simple in structure, easy to operate, low in cost and quite convenient to disassemble, maintain and clean, and has the obvious improvement compared with other screen windows in the market.

The invention discloses a rock burst prediction method introducing gradient stress. The method comprises the following steps that the step 1, a surrounding rock tangential stress distribution curve ismeasured, and the stress intensity value is calculated according to the surrounding rock tangential stress distribution curve; the step 2, when the rock burst intensity judgment is conducted throughthe stress intensity ratio, the surrounding rock gradient stress distribution is combined, and the stress intensity value is divided by the stress intensity ratio, so that the gradient stress intensity ratio is obtained; the step 3, the statistics of engineering examples with the occurrence of the rock burst is conducted, rock burst example data are put into a calculation formula of the gradient stress intensity ratio, the rock burst grade is judged and predicted through the gradient stress intensity ratio, and the regional division is conducted on the result; and the step 4, the calculation result is analyzed and summarized, and a criterion of predicting the rock burst grade through the stress intensity ratio and the gradient stress intensity ratio is obtained. Compared with the prediction accuracy of an existing criterion, the prediction accuracy of the rock burst criterion established by the rock burst prediction method is substantially improved, utilization is easy and convenient,and the criterion can guide the design and construction of deep-buried tunnel engineering.

The invention discloses a flexible stretchable shielded conductor, which sequentially comprises a flexible conductive layer, a flexible inner insulating layer, a flexible shielding layer and a flexible outer insulating layer from inside to outside, and is characterized in that the flexible shielding layer comprises 1-20% of a first conductive component; 6-15% of a second conductive component; and 65 to 93% of a resin; the content is calculated by mass percent. The flexible and stretchable shielding wire can improve the anti-electromagnetic interference capability, has flexible and stretchable performance, and can be applied to the field of flexible electronics.

The invention relates to the technical field of inertial navigation, and in particular relates to a small-size fiber-optic gyroscope signal processing circuit based on integrated packaging. The circuit comprises a signal acquisition unit, an output driving unit and an RS-422/485 communication interface unit; all the units use bare chips, all the units work independently and do not interfere with one another, the signal acquisition unit, the output driving unit and the RS-422/485 communication interface unit are packaged in the same cavity, and integrated packaging is achieved. According to theinvention, a plurality of components are integrated by adopting integrated packaging and single-cavity multi-layer wiring, and all functional units are packaged and integrated in the same cavity; compared with the existing discrete device structure, the circuit has the advantages that the integration level of a fiber-optic gyroscope system is improved, and the circuit packaging size is greatly reduced while multiple functions required by a fiber-optic gyroscope system are integrated; and the military quality grade requirement of the H-grade standard in GJB2438A-2002 General Specification forHybrid Integrated Circuits can be met.