PVC chemical leather treating agent, PVC chemical leather and method for producing the same

The invention relates to a PVC synthetic leather treatment agent and a preparing method thereof, and also relates to PVC synthetic leather with the PVC synthetic leather treatment agent covered on the surface and a preparing method thereof. The PVC synthetic leather treatment agent is characterized in that the PVC synthetic leather treatment agent is prepared by the following raw materials in portion by weight: 30 to 40 portions of malamine resin, 10 to 20 portions of polyurethane resin, 30 to 40 portions of methylisobutylketone, 4 to 8 portions of tetrahydrofuran, 0 to 10 portions of silicon dioxide, and 3 to 8 portions of paratoluenesulfonic acid. An intaglio printing method is adopted to coat the PVC synthetic leather treatment agent on the surface of the PVC synthetic leather, and then the PVC synthetic leather is dried; a treatment wheel with 100-120 meshes is selected, and the intaglio printing method is adopted to treat; and the drying temperature is 130 DEG C, the drying time is ...

Multidirectional extrusion molding process and die for aluminum alloy shell parts with branches

The invention mainly discloses a multidirectional extrusion molding process and a multidirectional extrusion molding die for an aluminum alloy shell parts with branches. The die mainly comprises driving radial outer sleeves, two split female dies, and a vertical male die. The split female dies are vertically symmetrical to each other and are fixed on a stroke mechanism and can move horizontally; and a model cavity which has a part shape is formed in each split female die. The driving radial outer sleeves are sleeved outside the split female dies; and the inner die surfaces of the driving radial outer sleeves are in fit with the outer die surfaces of the split female dies. The invention also discloses the molding process implemented by using the die. The process comprises the following steps of: performing multidirectional extrusion on the aluminum alloy shell part blank with branches by using the multidirectional extrusion die, placing the blank in a die cavity of the die, and forming the ...

Hierarchical digital signature and document approval method

A method of hierarchical digital signatures through a network. The method is implemented on a server to provide a signature system, which consists of an identification mechanism. When passing identification, the system provides a working platform for the user to sign off required forms/invoices, and sends out a message to the next user/signer when the user signs the forms/invoices.

Observation system for satellites with fast imager

The invention discloses an observation system for a satellite with a fast imager, and the system comprises a perception subsystem which collects a real-time observation task; the message analysis subsystem is used for analyzing the message data to obtain message information; the multi-source information comprehensive analysis subsystem is used for generating real-time typhoon characteristic information data according to the message information; the observation element calculation subsystem is used for calculating typhoon satellite observation factors according to the received real-time typhoon characteristic information data in the multi-source information comprehensive analysis subsystem; the observation path planning subsystem is used for obtaining a planned path according to the real-time observation task; and the observation decision subsystem is used for determining an observation decision of a typhoon satellite according to the planned path and the typhoon satellite observation factor ...

PVC furniture leather and method for producing the same

The invention relates to PVC furniture leather and a method for manufacturing the PVC furniture leather. The PVC furniture leather comprises a foundation fabric, and is characterized in that the foundation fabric is a needle-punched non-woven fabric, the needle-punched non-woven fabric is made of terylene staple fiber with dimensions of 2.5DX51mm or 2.5DX38mm, and the gram weight of the needle-punched non-woven fabric is between 130 and 180g/m<2>. The method for manufacturing the PVC furniture leather is characterized in that a step of foundation fabric sizing is saved compared with the prior method for manufacturing the PVC furniture leather. The invention selects the needle-punched non-woven fabric with close warp and weft elongation rates, thereby not only improving the hand feel and the processability of products, but also saving a sizing process and reducing manufacturing cost.

Stifled analogue means is separated to pitch

The utility model provides a stifled analogue means is separated to pitch for stifled simulation experiment is separated to pitch in the pit shaft, but the constant temperature oil bath case including the splendid attire conduction oil to and the inside pit shaft analogue means that can fill pitch, pit shaft analogue means stretches into constant temperature oil bath incasement, fills some pitch jam department submergence conduction oils in constant temperature oil bath case among the pit shaft analogue means, the temperature blockked up section with control pitch, separate the putty and enter into the pitch jam from pit shaft analogue means's upper end, separate stifled pitch and separate the lower extreme of putty from pit shaft analogue means and flow. This stifled analogue means is separated to pitch simple structure, easily operation, the measuring accuracy and the efficiency of software testing of stifled experiment are separated to the effectual pitch that has improved.

Data transmission system and method thereof

The present invention provides a data transmission system and method thereof, wherein the uploaded data from terminal computers in different areas are summarized by a data-summarizing server. First, prebuild at least an area server to connect the terminal computer in the same area by network, so as to receive the data transmitted from the terminal computer, and, preset a first time value for the area server, wherein the first time value is the time to upload the data from the terminal computer to the data-summarizing server; second, prebuild a temporary storage area of data and a database, and, preset a second time value for the area server, wherein the second time value is the time to store the data from the area server into the database; then let the area server and data-summarizing server proceed time-counting procedure, whenever the area server determines that the counted time reaches the first time value, let the area server upload the data transmitted from the terminal computer to ...

Environmental-friendly gel plugging agent applicable to low-temperature oil pool and applications of gel plugging agent

The invention relates to an environmental-friendly gel plugging agent applicable to a low-temperature oil pool and applications of the gel plugging agent. The gel plugging agent is prepared from 0.2%-0.6% of ampholytic polyacryamide, 0.5%-2.0% of an organic zirconium cross-linking agent solution, and the balance of water. The gel plugging agent is used for deep water shut-off and profile control constructions in the low-temperature oil pool of 25-35 DEG C and by virtue of the plugging agent, the recovery rate of crude oil can be raised. The gel plugging agent can form a non-flowing high-strength gel system at low temperature and has low viscosity and good injectivity; without toxic chemical materials such as chromium type cross-linking agents, the gel plugging agent is conductive to environmental friendliness.

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

PVC furniture leather and method for producing the same

The present invention relates to PVC furniture leather and a method for manufacturing the PVC furniture leather. The PVC furniture leather comprises a foundation fabric, and is characterized in that the foundation fabric is a needle-punched non-woven fabric. The method for manufacturing the PVC furniture leather is characterized in that a step of foundation fabric sizing is saved compared with the prior method for manufacturing the PVC furniture leather. The present invention selects the needle-punched non-woven fabric with close warp and weft elongation rates, thereby not only improving the hand feel and the processability of products, increasing matching property of leather and good adhesive property between the surface and the leather, but also saving a sizing process and reducing manufacturing cost.

可编辑及下载式网络教学系统

A network education system able to edit and download information by connecting LAN is composed of a central server and multiple local servers for providing the education document service for each particular area. The education document in local server is downloaded from central server. It features that the education document in central server can be edited in order to update the education document in local server by downloading it. It is possible to provide the on-line education course for users.

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

PVC chemical leather treating agent, PVC chemical leather and method for producing the same

The invention relates to a PVC synthetic leather treatment agent and a preparing method thereof, and also relates to PVC synthetic leather with the PVC synthetic leather treatment agent covered on the surface and a preparing method thereof. The PVC synthetic leather treatment agent is characterized in that the PVC synthetic leather treatment agent is prepared by the following raw materials in portion by weight: 30 to 40 portions of malamine resin, 10 to 20 portions of polyurethane resin, 30 to 40 portions of methylisobutylketone, 4 to 8 portions of tetrahydrofuran, 0 to 10 portions of silicondioxide, and 3 to 8 portions of paratoluenesulfonic acid. An intaglio printing method is adopted to coat the PVC synthetic leather treatment agent on the surface of the PVC synthetic leather, and then the PVC synthetic leather is dried; a treatment wheel with 100-120 meshes is selected, and the intaglio printing method is adopted to treat; and the drying temperature is 130 DEG C, the drying time is ...

Generation method and device of sine wave heavy current

The invention relates to a generation method and a device of sine wave heavy current. The device comprises a singlechip, at least one positive feedback detection circuit, at least one electronic switching circuit, at least one high-frequency current amplifying device, at least one filter and at least one negative feedback detection circuit. The generation method comprises the following steps: 1, determining whether power supply waveform distortion occurs through positive feedback detection; 2, controlling the switching on/off time of the electronic switching circuit through the singlechip andchopping an alternating current power into a string of spaced pulses of certain breadth and inconsistent height; 3, inputting the chopped string pulses in the high-frequency current amplifying deviceto carry out high-frequency current amplification; 4, filtering the amplified current through the filter to generate heavy current with the frequency identical to that of the original alternating current ...

Versatile electronic form generation method and system thereof

A versatile electronic from generation method and system thereof can be, for example, a standalone system or is applied to be bundled in a network on-line registration system for an organization group to generate a myriad of electronic registration form with an emphasis on a respective specific attribute of each different activity such that a network user can carry out an on-line registration procedure via a network system. As the versatile electronic form generation method and system thereof allow responsible personnel of a activity to prevent from using computer to make various different registration form with computer with respect to different types of activities, so as to make the early preparation and the operation for sponsoring an activity faster and more efficient.

Plugging agent for postponing colloid foam and method thereof for oilfield high-water-content aquifer profile modification water plugging

The invention relates to a plugging agent for postponing colloid foam and a method thereof for oilfield high-water-content aquifer profile modification water plugging. The plugging agent is composed of a foaming agent system solution and gas, wherein the foaming agent system solution is formed by uniformly dispersing 0.05-0.30% of foaming agent, 0.4-0.6% of water-drum aqueous emulsion polymer and 0.2-0.4% of multiplex emulsion crosslinking agent; and the volume ratio of the foaming agent system solution to the gas under reservoir pressure is 1:(1-3). The plugging agent for postponing colloid foam is used for oilfield high-water-content aquifer profile modification water plugging, and can enhance the oil recovery rate. The invention also provides a method for oilfield high-water-content aquifer profile modification water plugging. The plugging agent has the advantages of high dissolution rate, easy preparation, low initial viscosity and the like, can satisfy on-line injection, enhances the ...

Construction method for gas reservoir water controlling

The invention discloses a construction method for gas reservoir water controlling. The construction method includes the steps of injecting gas into a gas reservoir to push invading water from a gas layer to a distal well; preparing gel having delayed cross-linking ability, and atomizing the gel to form gaseous dispersant gel; injecting the gaseous dispersant gel with the gas into the gas reservoir, continuing injecting the gas so that the gel is transferred and dispersed in the gas layer; and shutting in the well. The construction method has the advantages that the gel plugging agent can be atomized to evidently reduce injection pressure and adapt to medium and low seepage gas reservoirs; the atomized gel plugging agent is injected to the front, the gas is injecting later, and deep water plugging via the gel plugging agent can be achieved; water blocking can be unlocked, late water controlling is also available, and validity is prolonged; long-term water controlling is available, with over ...

Multi-style electronic form generating method and system

The multiple type electronic form creating system includes at least user's interface module, form attribute setting module, format setting module, and form creating module. The multiple type electronic form creating system may be one independent system or may be one part of on-line network registration system to make the activity organizer create corresponding electronic form for network user to complete on-line registration. The present invention makes it possible for various activity organizer to create different electronic form easily.

Data evaluation system

A data evaluation system includes a data collection module, which collects employee working condition data transmitted from computer devices at user ends containing contents of an attendance rate, a daily report number, a job completion status, an innovation proposal number, an extra job status, a work efficiency, a product development status and a market development status, and stores the employee working status in an employee working status database, provides management people to set up the employees requiring evaluation, the evaluation item of the employee and the weight of the evaluation item through an evaluation standard configuration processing module, and uses the evaluation standard configuration processing module to store the configuration result in a configuration database. When the data evaluation system receives an evaluation request, an analysis evaluation processing module is enabled to carry out a data analysis processing in accordance with an employee working status data ...

Generation method and device of sine wave heavy current

The invention relates to a generation method and a device of sine wave heavy current. The device comprises a singlechip, at least one positive feedback detection circuit, at least one electronic switching circuit, at least one high-frequency current amplifying device, at least one filter and at least one negative feedback detection circuit. The generation method comprises the following steps: 1, determining whether power supply waveform distortion occurs through positive feedback detection; 2, controlling the switching on/off time of the electronic switching circuit through the singlechip and chopping an alternating current power into a string of spaced pulses of certain breadth and inconsistent height; 3, inputting the chopped string pulses in the high-frequency current amplifying device to carry out high-frequency current amplification; 4, filtering the amplified current through the filter to generate heavy current with the frequency identical to that of the original alternating current ...

Achievement data assessing system

It is an achievement valuation system, which comprises the following: one material collection module to collect employee working conditions materials from the user computer; one valuation standard setting and process module to provide the needed persons, his valuation items and weight for management person. When the achievement valuation system receives a valuation requirement, it makes the analysis valuation process module to analyze the valuation requirement according to person working condition materials and set results in the database and stores the results and report in the database to provide the management for reading.

Fatty amine polyoxyethylene ether diethyl disulfonate surfactant and preparation method thereof

The invention relates to a fatty amine polyoxyethylene ether diethyl disulfonate surfactant and a preparation method thereof. The surfactant has the structure shown in the formula (I) (which is as shown in the description), wherein M refers to alkali metal ions, R refers to C12-C18 alkyl radical, m and n refer to adduct numbers of ethoxy groups, and the sum of m and n ranges from 2 to 10. According to the surfactant, oil-water interfacial tension can be reduced to be ultra-low under the conditions of high temperature, high salinity and high content of divalent metal ions, and with the excellent performance, the surfactant can be used for displacement of oil of a harsh reservoir under high temperature, high salinity and high hardness. The synthetic method is simple, short in technical process and mild in reaction conditions, and is suitable for scale production.

Hierarchial electronic signing method via network

The present invention is hierarchical electronic signing method via network. Inside a server, one signing system is provided with recognizing mechanism. After recognition, one working platform for the signer to complet signature is provided and one prompt information is provided for the next level to sign.

Multidirectional numerical control hydraulic press for metal plasticity forming

The invention mainly discloses a multidirectional numerical control hydraulic press for metal plasticity forming. A vertical main working cylinder, two horizontal cylinders and a push-out cylinder are mounted on a stress frame; a punching cylinder is combined inside the vertical main working cylinder stroking downwards, the two horizontal cylinders are a left horizontal cylinder and a right horizontal cylinder both of which stroke in the opposite directions, and each horizontal cylinder is combined with a quick-speed cylinder; the push-out cylinder is positioned below the vertical main working cylinder and adopts an inverted cylinder acting structure; and all cylinder bodies are controlled by a hydraulic control system. In the invention, an oil pump is used for direct driving, numerical control closed loop servo control is achieved, and meanwhile, axial loading and transverse loading are performed at the same time, so as to form high-precision parts with branch shaped or cavity-like complex ...

Method for improving crude oil recovery ratio by utilizing salt sensitive self-thickening polymer

The invention relates to a method for improving the crude oil recovery ratio by utilizing a salt sensitive self-thickening polymer. The method comprises the following steps: firstly vacuum-pumping high and low sand filling tube cores respectively and saturating formation simulated water; respectively displacing the high and low sand filling tube cores at an injection sped of 1 mL/min by using simulated salt water and determining the pore volume and the permeability; saturating dehydrated and degassed ground crude oil at an injection speed of 1 mL/min; sealing the sand filling tube cores after the crude oil is saturated and then placing for 48 hours at a constant temperature; displacing the high and low sand filling tube cores which are connected in parallel at an injection speed of 1 mL/min and calculating the water drive recovery ratio; injecting a certain volume of salt sensitive self-thickening polymer solution at an injection sped of 1 mL/min and then injecting the stimulated salt water ...

HEAT PUMP SYSTEM, HEAT MANAGEMENT METHOD AND VEHICLE

A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system. 1. A heat pump system , the heat pump system comprising an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage;wherein the refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is configured for cooling and/or heating to adjust the temperature in a passenger compartment of a vehicle;the superconducting liquid flow passage is in communication with a motor heat dissipating conduit, the motor heat dissipating conduit and the superconducting liquid flow passage are both filled with a superconducting liquid, the superconducting liquid is capable of absorbing the heat generated by an on-board motor during operation, and the heat is transferred to the superconducting liquid flow passage through heat transfer of phase change.2. The heat pump system according to claim 1 , wherein the integrated heat exchanger comprises a plurality of flat tubes claim 1 , the flat tube of the integrated heat exchanger has a double-layer tube structure. the flat tube includes a refrigerant flat tube and a superconducting liquid flat tube sleeved on the outside of the refrigerant flat tube claim 1 , ...

Carrier unit for installing hard disk drive, carrier assembly having the same, and server having the same

A carrier assembly for installing a hard disk drive (HDD) rapidly without tools or screws or other fasteners disk includes a bracket and a carrier. The carrier is movably disposed within the bracket. The hard disk drive is disposed with the carrier. The bracket includes a side plate and a plurality of first protrusions arranged on the side plate along with electrical connectors. The side plate defines interconnecting slots, a vertical first slot and a horizontal second slot. The carrier includes a lateral plate, a rotating handle connected to the lateral plate, and second protrusions arranged on the lateral plate. When the rotating handle is manually rotated, the second protrusion becomes locked within the first slot or the second slot to fix the HDD in place.

Heat pump system, heat management method, and vehicle

Blank dummy structure and rack

A blank dummy structure adaptable for slide rails and absence of slide rails, the blank dummy structure includes a main plate, two buckles, two rotating members, and two fasteners. The buckle comprises a snap component, the snap component is connected with the main plate to slide between first and second positions on the main plate. The rotating member and the snap component are arranged on the same side of the main plate, the rotating member on the main plate, comprises a limiting component. the rotating member being rotatably connected with the main plate to rotate the rotating member between a limit position and an avoidance position. The fastener configured to cooperate with the rack when the rotating member is in the avoidance position. The buckle, the rotating member, and the fastener are mounted on the main plate. A rack is also disclosed.

Heat pump system, heat management method and vehicle

A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system.