30results about How to "No increase in consumption" patented technology

The invention discloses a grinding device for sapphire wafers. The grinding device for sapphire wafers comprises a pulp stock barrel, a peristaltic pump and a grinder, wherein a pulp stock trough is arranged on the grinder, and pulp stock enters into the grinder through the peristaltic pump and the pulp stock trough. The grinding method for the sapphire wafers comprises the following steps: 1, preparing the pulp stock: putting in raw materials by levels and layers; 2, controlling pulp stock flows: putting pulp stock accurately; 3, correcting the flatness of the surface of a grinding lower plate: repeatedly measuring by using a long gauge, a short gauge and a dial gauge, and correcting; 4, distributing powder on the surface of a grinding plate; and 5, grinding both sides of each wafer: firstly carrying out light pressing grinding. The grinding method provided by the invention is characterized in that raw material ratio of the pulp stock is optimized, the pulp stock supplying flow is more accurate, the conveying is more even, before normal grinding, light pressing grinding is performed firstly, the problem of wafer breakage during a grinding process can be prevented for the greatest possible, the wafer breakage rate is lowered, the merit factor of grinding is improved, the removing rate during grinding is stable, the problems of over grinding and low removing rate cannot be caused, and the efficiency is relatively high.

The invention discloses a multipath inhibiting method of a correlator. On the basis of a Strobe correlator, a corrolator is formed by two groups of early-late codes E2, E1, P, L1 and L2; code loop parts are accumulated and pass through a memory so as to obtain an output result; and the output result is substituted into a Strobe correlation formula so as to obtain a correlation result. The method is characterised in that IE2, IE1, IP, IL1 and IL2 are inputted in a mode discriminator, when the sum of IE2 and IE1 minus the sum of IL1 and IL2 is less than zero, the multipath is the in-phase multipath, and then a modification factor item is added into the correlation formula so as to overcome the shortcoming that the conventional Strobe correlator cannot inhibit the short multipath; meanwhile, the positioning accuracy is improved, particularly, the method has great significance to the condition that the serious multipath interference exists in the global positioning system (GPS) positioning in urban environment.

The invention discloses a cable with high current-carrying capacity. The cable provided by the invention comprises more than one conductor and a sheath (5), wherein the more than one conductor is enamel-cover stranded conductor (1); and an insulating layer (2) is arranged on the surface of the more than one enamel-cover stranded conductor (1) and covers the surface. By adopting the technical scheme, under the condition that the cross-sectional area of the conductors is not increased, the surface area of the conductors is increased; and the conductors are decomposed into a plurality of independent parts and each independent part of the conductors has an insulation system, thus increasing the surface area of the conductors actually, reducing skin effects, improving the current-carrying capacity, keeping the material consumption unchanged, and being easy to realize technically.

The invention relates to a start control system and method of a wind generating unit. The real-time wind speed of the environment in which the wind generating unit works and the real-time rotating speed of a generator shaft are monitored in real time, so that a target pitch angle of blades is determined, a pitch angle of the blades is adjusted to the target pitch angle, the start torque of the blades can be increased, a wind wheel is driven to accelerate to reach paralleling rotating speed, and electric generation is started. Due to the fact that the target pitch angle is determined in real time according to the real-time external environment and the state of the wind generating unit and continuously adjusted, the wind generating unit can adapt to environment changes and self-state changes and can react rapidly in time. Particularly, when the wind speed of the environment in which the wind generating unit works is low and the rotating speed of the blades cannot reach rotating speed needed by paralleling electric generation, the pitch angle of the blades is adjusted to the target pitch angle, the start torque of the blades is increased, the start wind speed of the wind generating unit is lowered, then, the electric generating efficiency of the wind generating unit at the low wind speed is improved, and the manufacturing cost and energy consumption of the unit are not increased.

The invention belongs to the field of terminal equipment, and provides a receiver IQ imbalance compensation method and device. The method comprises the steps: calculating a pre-calibration parameter and carrying out the pre-calibration when a receiver is subjected to factory calibration, so as to compensate the initial IQ imbalance; and when the receiver is in a use state, performing fine calibration based on the pre-calibration parameter and the fine calibration parameter to compensate the current IQ imbalance. The IQ imbalance compensation of the receiver is carried out in a mode of combining pre-calibration compensation and fine calibration compensation, the accuracy of compensation is ensured under the condition that the receiving precision is improved, and resources are saved at the same time.

The invention provides an IQ imbalance correction method and device, and a receiver; the method comprises the steps: carrying out the first IQ imbalance parameter estimation in a time domain according to a received first pilot signal during initial synchronization, and obtaining a first imbalance parameter; and during normal service receiving, carrying out first correction of IQ imbalance on the received signal in the time domain according to the first imbalance parameter. According to the invention, the IQ imbalance compensation of the receiver is carried out by combining the coarse correction and the fine correction, so that the receiving precision is improved, and no extra spectrum resource consumption is increased.

The invention discloses a continuous production technique for ethoxyl ethylene diamine, which comprises the following steps: the raw material ethylene diamine is thrown into a high order metering tank so that the ethylene diamine naturally flows into an ethylene diamine heater through level difference, the ethylene diamine is heated to 100-120 DEG C, and the ethylene diamine enters a reactor after controlling the flow rate to 1000-1600 L / H by a flowmeter; the raw material oxirane enters the reactor after controlling the flow rate to 10-30 L / H by an oxirane storage tank; and the raw materials react in the reactor to generate the reactant liquor. The invention also discloses a reactor for continuous production of ethoxyl ethylene diamine. The technique realizes continuous production of ethoxyl ethylene diamine, has the advantages of simple and convenient production technique, and easy operation, and ensures production safety and stable product quality.

The invention discloses a fragrant finishing process for a home textile. The process comprises the following steps of: (1) preparing an aid, wherein the aid is an aqueous solution of 15 to 20 g / l of nano high-temperature resistant slow-release fragrant finishing agent, 10 to 15 g / l of softening agent and 5 to 10 g / l of adhesive; and (2) soaking the home textile into the prepared aid, rolling at the rolling rate of 80 to 100 percent, and drying at the temperature of 175 DEG C, wherein the operation speed is 35 meters per minute. Preferably, the softening agent is organic silicon softening agent, and the adhesive is low-temperature formaldehyde-free adhesive. By the process, perfuming treatment, softening, setting and finishing can be simultaneously finished, so the production efficiency is improved; environment-friendly raw materials are adopted in the production process, so energy consumption is not increased, and the process has the advantages of energy conservation, environment friendliness and low production cost; and the prepared finished product has soft handfeel and lasting fragrance.

The invention discloses a power control method for cooperating with Internet of things energy acquisition nodes and belongs to the technical field of Internet of things. The method comprises steps of system scene analysis and problem resolution; system mathematics model establishment; optimal solution calculation on the basis of utilizing an optimization method. The method is applicable to a special scene, is on the basis of actual application, takes full consideration of an environmental protection scheme of renewable energy sources, integrates the energy acquisition technology, takes consideration of a system performance optimal problem under cause and effect restriction conditions on the condition that network performance is not influenced, realizes compromise between energy consumption and a network rate, more reasonably and fully utilizes the renewable energy sources and reduces energy consumption of the network. The method is advantaged in that algorithm design is reasonable, and the method is easy to realize.

The invention discloses a motor stator, which comprises a plurality of laminated iron cores provided with winding grooves. The motor stator is characterized in that the iron cores comprise iron core main bodies and iron core enclosing sheets, wherein the iron core main bodies are provided with strip-shaped grooves from the centers to the circumferential direction; the widths of the strip-shaped grooves are reduced at positions close to the circumferences; and the iron core enclosing sheets are inserted into positions, close to the circumferences, of the strip-shaped grooves of the iron core main bodies, and are limited on the iron core main bodies. Due to the adoption of the motor stator, convenience can be brought to winding, and the motor performance can be improved. The invention correspondingly provides a manufacturing method of the motor stator, and according to the method, the motor stator is easy to manufacture.

The invention discloses an active pixel swing extension method for a CMOS image sensor. The problem that the swing amplitude of the active pixel unit is limited due to threshold loss and other reasonsin the electric signal output process is solved. The method is characterized in that the lower pole plate of the sampling and holding capacitor is connected to a ground level or a low voltage duringsampling of the pixel unit and is connected to a power level or a high voltage during output of the pixel unit through a method of switching the lower pole plate of the sampling and holding capacitorby a switch, so that the swing amplitude of photoelectric signals on a column line is increased. In order to ensure the influence of the method on the filling factor of the pixel unit, switch switching and high and low voltage are realized outside an active pixel unit area array. The invention provides a programmable bootstrap swing lifting mechanism based on area array external voltage, providesa solution for a large-area-array large-full-well active pixel CMOS image sensor, guarantees the complete response of an active pixel circuit to full-well charges, improves the full-well capability ofthe CMOS image sensor, and enlarges the dynamic range of the CMOS image sensor.

The invention discloses an underwater sensor network positioning method based on distance measurement correction, and the method mainly comprises the following steps of (1) carrying out the pre-positioning of a node, obtaining the distance between a beacon and the node through a distance measurement algorithm, and obtaining the pre-positioning position of the node through a multilateral positioning algorithm; (2) based on the accurate positioning of the distance measurement correction, reducing the distance measurement errors by utilizing a geometrical relationship between nodes, and calculating to obtain the accurate positions of the nodes. According to the scheme, the error correction caused by the limitation of a traditional positioning algorithm to node movement is broken through, andby starting from the beginning distance measurement error in the positioning process, the pre-positioning position of the node is obtained through the basic node positioning algorithm, then the geometric relation between the node positions is used for correcting the distance measurement error, so that the accurate position of the node is obtained, and the positioning precision is effectively improved.

The invention provides a single-pulse phase discrimination method based on parabola fitting. The single-phase phase discrimination method comprises the steps of measuring a pulse label and located channel of an intermediate frequency corresponding to a main antenna of an interferometer, performing matching delay alignment on the intermediate frequency of the main antenna of the interferometer to be tested and a pulse label outputted by digital channelization, the input is performed in a four-phase manner, and a 512 point FFT operation is completed by using two paths of 128 point series complexnumber FFT; solving a search range of an FFT maximum value according to a channel number of the intermediate frequency, solving a maximum value corresponding to the FFT, left and right secondary maximum values and corresponding serial numbers thereof within the search range; performing fitting on the maximum value and the left and right secondary maximum values to solve the offset Delta; performing single-point DFT on two points near the offset Delta, and solving a secondary fitted value Deltb; performing a 512 point single-point DFT operation on the intermediate frequencies corresponding tofour antennas by using the secondary fitting result Deltb; and carrying out an anti-tangent operation on a four-path single-point DFT operation result to obtain the phase of the intermediate frequencies of the four paths, obtaining three phase differences according to baseline relation, and meanwhile, solving a frequency value according to the fitted value Deltb, the maximum value serial number and the sampling rate.

The invention belongs to the technical field of reutilization of agricultural wastes and particularly relates to a novel process for comprehensively utilizing the agricultural wastes. The novel process comprises the following steps: adding acid into the agricultural wastes and hydrolyzing to obtain aldehyde gas and furfural residues; carrying out filter pressing on the furfural residues and primarily reducing the water content of the furfural residues to be 40%-45%; then drying the furfural residues and further dehydrating the furfural residues; when the water content of the furfural residues is reduced to be 15%-20%, adding fly ash to neutralize; after neutralizing, granulating to obtain biomass fuel; combusting the biomass fuel to be used for biomass power generation; meanwhile, taking solid wastes generated by combustion as raw materials of an organic fertilizer to be reutilized; after filtering and condensing the aldehyde gas, condensing to obtain liquid, namely raw aldehyde; carrying out deacidifying and dehydrating on the raw aldehyde to obtain crude aldehyde; refining the crude aldehyde to obtain finished aldehyde; and carrying out heat exchange on the uncondensed aldehyde gas to replace aldehyde gas heat energy to be used as a heat source for drying the furfural residues, wherein all the percentages are mass percentages.

The invention belongs to the technical field of steelmaking, and particularly relates to a KR desulfurizing agent, a preparation method thereof and a desulfurizing method adopting the desulfurizing agent. The preparation method of the KR desulfurizing agent comprises the following step of mixing CaO powder and LT ash, wherein the mass ratio of the CaO powder to the LT ash is (3.5-4):(1.5-1); and the LT ash comprises, by mass, 55-65% of TFe, less than or equal to 5% of CaO, less than or equal to 0.03% of MnO and less than or equal to 2% of MgO. By adopting the desulfurizing method, the beneficial effects of treating wastes with processes of wastes against one another, reducing the steelmaking cost and the like can be achieved, the problems of difficult digestion and high discharge cost of the LT ash are solved, and meanwhile, the metal yield is also improved. The LT ash replaces a fluorite component in a general KR desulfurizing agent, so that the production cost is further reduced, theprotection of non-renewable resources is facilitated, and stable control of the sulfur content after KR desulfurization is achieved.

The invention discloses an active pixel swing expansion method for a CMOS image sensor, which solves the problem of limited swing of the active pixel unit due to threshold value loss and other reasons during the electrical signal output process, and is characterized in that the sampling is switched by a switch The lower plate method of the holding capacitor makes the lower plate of the sampling and holding capacitor connected to the ground level or low voltage when the pixel unit is sampled, and the lower plate of the sampling and holding capacitor is connected to the power supply level when the pixel unit is output. Or high voltage, to realize the swing increase of the photoelectric signal on the column line. In order to ensure the effect of this method on the filling factor of the pixel unit, the switching and high and low voltages are realized outside the active pixel unit area array. The present invention proposes a swing boost mechanism based on the programmable bootstrap voltage outside the array, which provides a solution for the large array and full well active pixel CMOS image sensor, and ensures the complete response of the active pixel circuit to the full well charge. The full well capability and dynamic range of the CMOS image sensor are improved.

The invention discloses a motor stator, which comprises a plurality of laminated iron cores provided with winding grooves. The motor stator is characterized in that the iron cores comprise iron core main bodies and iron core enclosing sheets, wherein the iron core main bodies are provided with strip-shaped grooves from the centers to the circumferential direction; the widths of the strip-shaped grooves are reduced at positions close to the circumferences; and the iron core enclosing sheets are inserted into positions, close to the circumferences, of the strip-shaped grooves of the iron core main bodies, and are limited on the iron core main bodies. Due to the adoption of the motor stator, convenience can be brought to winding, and the motor performance can be improved. The invention correspondingly provides a manufacturing method of the motor stator, and according to the method, the motor stator is easy to manufacture.

The invention specifically provides a gob gas extraction device and method, and aims at solving the problems of large consumption on pipes, increase on cost, complex mounting, and easy damaging of the existing gob extraction technique. The gob gas extraction device comprises a tee joint; one end of the tee joint is connected with a main pipe switch and while the other end of the tee joint is connected with a branch pipe switch; the main pipe switch comprises a flange shaped housing; a reversed U-shaped supporting rod is fixed to the convex end of the housing; a rubber ring is fixed in the housing; a rotating shaft and a non-return spring sheet are fixed inside the housing; the limiting spring sheet is fixed to the U-shaped supporting rod; a rotating fan blade is hinged to the rotating shaft; the branch pipe switch comprises a flange shaped housing I; a reversed U-shaped supporting rod I is fixed to the convex end of the housing I; a rubber ring I is fixed in the housing I; a rotating shaft I and a limiting spring sheet I are fixed inside the housing I; a non-return spring sheet I is fixed to the U-shaped supporting rod I; a rotating fan blade I is hinged to the rotating shaft I. With the adoption of the gob gas extraction device and method, the control to the gas extraction in different gob areas is realized.

The invention discloses an underwater sensor network positioning method based on distance measurement correction, and the method mainly comprises the following steps of (1) carrying out the pre-positioning of a node, obtaining the distance between a beacon and the node through a distance measurement algorithm, and obtaining the pre-positioning position of the node through a multilateral positioning algorithm; (2) based on the accurate positioning of the distance measurement correction, reducing the distance measurement errors by utilizing a geometrical relationship between nodes, and calculating to obtain the accurate positions of the nodes. According to the scheme, the error correction caused by the limitation of a traditional positioning algorithm to node movement is broken through, andby starting from the beginning distance measurement error in the positioning process, the pre-positioning position of the node is obtained through the basic node positioning algorithm, then the geometric relation between the node positions is used for correcting the distance measurement error, so that the accurate position of the node is obtained, and the positioning precision is effectively improved.

The invention provides a single-pulse phase detection method based on parabola fitting. Measure the pulse mark and channel corresponding to the intermediate frequency of the main antenna of the interferometer, align the intermediate frequency of the main antenna to be tested with the pulse mark output by digital channelization, and divide the input into four phases, using two 128-point serial complex numbers FFT, to complete the 512-point FFT operation; according to the channel number where the intermediate frequency is located, find the search range of the FFT maximum value, and then find the corresponding maximum value and left and right sub-maximum values ​​and their corresponding serial numbers within the search range; for the maximum value and left and right Fit the second maximum value to obtain the offset Delta; do a single-point DFT on two points near Delta, and obtain the second fitting value Deltb; use the second fitting result Deltb to correspond to the 4 antennas Perform 512-point single-point DFT calculation on the intermediate frequency; perform arctangent calculation on the four-way single-point DFT calculation results to obtain the phase of the four-way intermediate frequency, and obtain three phase differences according to the baseline relationship. Find the frequency value.

The invention discloses a cable with high current-carrying capacity. The cable provided by the invention comprises more than one conductor and a sheath (5), wherein the more than one conductor is enamel-cover stranded conductor (1); and an insulating layer (2) is arranged on the surface of the more than one enamel-cover stranded conductor (1) and covers the surface. By adopting the technical scheme, under the condition that the cross-sectional area of the conductors is not increased, the surface area of the conductors is increased; and the conductors are decomposed into a plurality of independent parts and each independent part of the conductors has an insulation system, thus increasing the surface area of the conductors actually, reducing skin effects, improving the current-carrying capacity, keeping the material consumption unchanged, and being easy to realize technically.

A grinding device for a sapphire wafer according to the present invention comprises a slurry bucket, a peristaltic pump and a grinder, the grinder is provided with a slurry tank, and the slurry enters the grinder through the peristaltic pump and the slurry tank, a sapphire wafer The grinding method includes the following steps: 1. Preparation of slurry: multi-level feeding of raw materials; 2. Control of slurry flow: accurate slurry feeding; 4. Powder distribution on the surface of the grinding disc, 5. Double-sided grinding of the wafer: firstly, light pressure grinding is carried out. The feature of the present invention is that the raw material ratio of the slurry is optimized, and the supply flow rate of the slurry is more accurate. , transport more evenly, before normal grinding, first perform light pressure grinding, to prevent the cracking of the wafer during the grinding process as much as possible, reduce the chip fragmentation rate, improve the high quality rate of grinding, and the removal rate during grinding is stable , there will be no problems of over-grinding and low removal rate, and the efficiency is faster.

The invention belongs to the technical field of steelmaking, and in particular relates to a KR desulfurizer, a preparation method thereof and a desulfurization method using the desulfurizer. The preparation method of the KR desulfurizer comprises: mixing CaO powder and LT ash; wherein, the mass ratio of the CaO powder and the LT ash is (3.5-4):(1.5-1); by mass percentage , the LT ash contains: TFe 55%-65%, CaO≤5%, MnO≤0.03%, MgO≤2%; adopting the desulfurization method described in the present invention can realize waste treatment by waste, reduce steelmaking cost, etc. Beneficial effect, it solves the problems of difficult digestion of the LT ash and high efflux cost, and at the same time improves the metal yield; the present invention replaces the fluorite component in the general KR desulfurizer with the LT ash, further saving production It is beneficial to protect non-renewable resources and achieve stable control of sulfur content after KR desulfurization.

The invention discloses a purifying and sterilizing method for drinking water. Water enters into a pipe from water inlets at both sides of the pipe and is discharged from a water outlet after passing through a sterilization layer, a water purification layer and a heavy metal ion removal layer from top to bottom, wherein the sterilization layer consists of polyiodide resin, the water purification layer consists of granular activated carbon and activated carbon fiber, and the heavy metal ion removal layer consists of heavy metal nanoparticles and cation exchange resin; air in an air vessel is compressed by an air compression mechanism driven by an impeller in the water outlet driven by the water inflow; the water outlet is closed within specified time after the water inflow is stopped. At a specified time interval, the compressed air is released into the closed water outlet by opening a valve on the air vessel to force the residual water at the outlet to flow into a reflux line, and then the residual water flows into the body of the pipe through the reflux line and is subjected to sterilization and filtering through various layers until the inflow begins again. The method has the advantages of simpleness in implementation, good sterilization effect and no secondary pollution produced.

The invention provides a novel dewatering system for production of methoxy-1-methylethylacetate. The dewatering system comprises a column reactor reboiler, wherein a gas phase mouth of the column reactor reboiler is connected with a lateral gas phase mouth of an atmospheric distillation column by virtue of a pipeline A; a liquid phase mouth of the column reactor reboiler is connected with a liquidphase mouth at the column bottom of the atmospheric distillation column by virtue of a pipeline B; a gas phase mouth in the top of the atmospheric distillation column is connected with a gas phase inlet of an overhead condenser by virtue of a pipeline D; a liquid phase outlet in the bottom of the atmospheric distillation column is connected with an inlet of a column bottom extraction pump by virtue of a pipeline C; a condensate extraction opening of the overhead condenser is connected with a feeding hole of a split phase tank by virtue of a pipeline E; a lateral extraction opening of the split phase tank is connected with a feeding hole of a return tank by virtue of a pipeline F; a discharging hole of the split phase tank is connected with an inlet of a return pump by virtue of a pipelineG; an outlet pipeline of the return pump is connected with a reflux inlet of a rectifying column by virtue of a pipeline H; wastewater is extracted by an extraction opening at the tank bottom of thesplit phase tank by virtue of a pipeline K. According to the novel dewatering system disclosed by the invention, the environmental protection requirement is met, energy consumption is not increased ina main process, and the energy consumption is reduced in an after-treatment process.

The invention belongs to the field of batteries, and particularly relates to a lithium battery negative electrode material and a preparation method. The negative electrode material is prepared by graphitizing coal-based coke powder, and seen from the electron micrograph of the negative electrode material, the negative electrode material is of a layered crystal structure with pores, and the pore walls of the pores are provided with micropores. The negative electrode material has the beneficial effects that the coal-based coke powder is used as a raw material, the negative electrode material with holes is prepared through a graphitization process, micropores are formed in the hole walls of the holes, and the negative electrode material is large in first-time specific discharge capacity, small in first-time irreversible capacity and good in current charge and discharge performance and cycle performance.

The invention discloses a multipath inhibiting method of a correlator. On the basis of a Strobe correlator, a corrolator is formed by two groups of early-late codes E2, E1, P, L1 and L2; code loop parts are accumulated and pass through a memory so as to obtain an output result; and the output result is substituted into a Strobe correlation formula so as to obtain a correlation result. The method is characterised in that IE2, IE1, IP, IL1 and IL2 are inputted in a mode discriminator, when the sum of IE2 and IE1 minus the sum of IL1 and IL2 is less than zero, the multipath is the in-phase multipath, and then a modification factor item is added into the correlation formula so as to overcome the shortcoming that the conventional Strobe correlator cannot inhibit the short multipath; meanwhile,the positioning accuracy is improved, particularly, the method has great significance to the condition that the serious multipath interference exists in the global positioning system (GPS) positioning in urban environment.