150results about How to "Increase output ratio" patented technology

The invention provides a method for determining an indicator diagram of electrical parameters of a rod-pumped well and belongs to the technical field of oil production of oil fields. The method aims at achieving convenient and practical measurement of the indicator diagram of the electrical parameters of the rod-pumped well on site. The method is characterized in that top dead center moments and bottom dead center moments are determined periodically, active powers of electrical parameters of up strokes and down strokes of the rod-pumped well are processed in a decomposition mode, and input end active power of the up strokes and the down strokes is obtained respectively and are calculated and converted into wellhead loading force; adjustment is conducted through balance blocks for operation balance of a pumping unit, actually measured data are used for further correcting the weights of the crank balance blocks of the oil pumping unit or retrieving the weights of the crank balance blocks after adjustment, actually measured active power is converted into wellhead loading force F<upper force i>, wellhead loading force F<lower force i> and superposed wellhead loading force F<upper and lower force i>, the wellhead loading force F<upper force i>, the wellhead loading force F<lower force i> and the superposed wellhead loading force F<upper and lower force i> are calculated, superposed and converted into wellhead loading force, and the indicator diagram of trends of the electrical parameters is determined before and after superposition with the crank balance blocks. According to the method, on-site testing is convenient and practical, and online automatic measurement is achieved.

The invention relates to a method for slitting, striking and redrying tobacco, which is technically characterized by comprising the following step of: cutting tobacco lead bases with minimum tensile strength, poorest physical processing resistance and poorer perception smoke panel test quality and appearance quality in the tobacco for singly cutting, striking and redrying. The method has the mainadvantages that remained non leaf base tobacco leaves are crushed to be smaller when leaves and stems are separated singly after the tobacco leaf bases are cut for being singly processed, the leaf structures are more uniform after the leaves are separated from the stems, the green and impurity content in the tobacco is reduced, thus the large-medium leaf ratio after the striking is improved, the crushing generated when the leaves are separated from the stems is reduced, the leaf yield is improved, and the purity of the tobacco is increased. After the tobacco is processed by using a slitting, striking and redrying method of the invention, the leaf base smoking quality is better, the fragrance quantity is improved, the smoke explosive force is increased, the smoking comfort is enhanced, andthe impurity gases are reduced, thus the use value of the tobacco can be improved.

The invention relates to the technical field of aquatic product aquaculture, in particular to a phycomycete water prawn circulating aquaculture system. The system comprises an aquaculture pond and a water treatment device, wherein a roof which is provided with an illumination intensity adjustable facility and covers the upside of the aquaculture pond is arranged above the aquaculture pond; the pool bottom of the aquaculture pond is gradually inclined from the periphery to the middle; a drainage port is formed in the middle of the pool bottom; an aquaculture area of the aquaculture pond is 400-1,000m<2>; the aquaculture pond is a circle or a chamfered square; the water treatment device consists of a water outlet well, a filter groove, a water return well, a circulating water pump and foam air floatation towers sequentially; the drainage port is connected with the water outlet well by a pipeline; the water outlet well is sequentially connected with the filter groove, the water return wall and the circulating water pump; the circulating water pump is connected with the foam air floatation towers by pipelines; and the foam air floatation towers are connected with tangent water distribution pipes arranged at the periphery of the aquaculture pond by pipelines. The system has the characteristics of low cost, low energy consumption, automatic purification, high yield and the like, and can be widely applied to the industry of intensive aquaculture.

Provided is a vector control apparatus for an induction motor which is capable of obtaining stable rotation in a short period of time for adjustment even at the time of low-speed operation by increasing the SN ratio of an output voltage to suppress the arithmetic error in the primary angular frequency arithmetic value based on a magnetic flux command value calculated from a circuit constant and an actual measurement of the induction motor even in the case where the rotation velocity of the induction motor is lower. The vector control apparatus includes: magnetic flux command value arithmetic means (11) for selecting and outputting the magnetic flux command value on the basis of a torque command value Tmr that is input from the external, the circuit constant of the induction motor, and the actual measurement related to the induction motor; and vector control means (10) for controlling the inverter device (3) on the basis of the magnetic flux command value that is output from the magnetic flux command value arithmetic means (11) and the circuit constant of the induction motor (8). The magnetic flux command value arithmetic means (11) includes a magnetic flux command value back calculation arithmetic section (21) for calculating a magnetic flux command arithmetic value F2RB so that a voltage that is applied to the induction motor 8 becomes equal to or higher than a setting value corresponding to an unstable area.

The invention discloses a single-chip white light LED for visible light communication. The LED comprises a substrate, a buffer layer, an n type semiconductor layer, a composite luminous region, a p type semiconductor layer, a transparent conductive layer, and a p electrode and an n electrode, wherein the buffer layer is formed on the upper surface of the substrate; the n type semiconductor layer is formed on the upper surface of the buffer layer; one side of the n type semiconductor layer is downwards to form a table surface; the depth of the table surface is less than the thickness of the n type semiconductor layer; the composite luminous region is formed on the upper surface, except the table surface, of the n type semiconductor layer; the p type semiconductor layer is formed on the upper surface of the composite luminous region; the transparent conducive layer is formed on the upper surface of the p type semiconductor layer; and the p electrode and the n electrode are formed on the table surfaces on one sides of the transparent conductive layer and the n type semiconductor layer respectively. The invention also provides a preparation method for the single-chip white light LED for the visible light communication. According to the invention, the single-chip white-light light source with high luminous efficiency and high bandwidth for the dual-waveband visible light communication can be obtained.

The invention discloses a process for preparing stress-resistance seaweed fertilizer comprising the steps of, (1) airing seaweed, removing impurity substance, (2) charging fresh water, (3) agitating and steeping, decompression concentration, separating high temperature salt by centrifugal separation, (4) disintegrating concentration liquid with dried solid evolution, (5) charging 95% of ethanol into fresh seaweed, (6) squashing the algae, agitating, centrifuging and storing the liquid, (7) removing salt from the solution through compression, (8) cooling down, charging saturated diamino ammonium chromic thiocyanate solution, (9) collecting deposition, (10) mixing the compression liquid, dried solid substance and precipitate homogeneously, (11) spray drying.

A light shield (204) for blocking light traveling toward a PIN photodiode (413) from a glass substrate (314) side is formed of a conductive material, and a reference electric potential (Vr−nVoc) equal to that of a cathode of the PIN photodiode (413) is applied to the light shield (204) from a power supply circuit (266). Thus, inductive noise for a photoelectric conversion device used for an ambient light sensor is further reduced in a display device.

The invention relates to an adjustment method for operation balance of a rod-pumped well and belongs to the technical field of oil production of oil fields. The adjustment method aims at achieving convenient and practical measurement of balance adjustment of the rod-pumped well on site. The adjustment method is characterized in that an active power average value and an upstroke and downstroke net torque superposition value P<up and down> are obtained; an annulus working fluid level HY is obtained according to P<up and down>; according to an upstroke active power average value <up> and a downstroke active power average value <down>, whether balance blocks need to be moved and adjusted and whether the moving directions of the balance blocks need to be adjusted are judged; if adjustment is needed, the adjustment moving amount of the balance blocks of a pumping unit is determined, and the balance blocks of the pumping unit are adjusted. By the adoption of the power method, the relation is established between the adjustment amount of the balance blocks and the variation of a working fluid level HY actually measured when balance adjustment is needed and a working fluid level HY<before> obtained when balance adjustment is not needed, stored work condition information is perfected according to the model as for the same rod-pumped well, the stored information can be freely called during testing, actually measured data are used for correcting working condition parameters, and the method used for conducting practical measurement of balance adjustment of the rod-pumped well and conducting adjustment on site after measurement is achieved.

The invention relates to mine beneficiation equipment, in particular to mine winnowing equipment. The design adopts a pneumatic structure; the high fall leads the mineral powder to disperse sufficiently; the mineral powder disperses and falls uniformly by a vibration screen; an axial-flow fan blows the mineral powder to a certain distance; as the mineral powder contains various matter elements with different densities, the distances of the blown matters are different, and the linear speed of the movement of the blown matters are also different due to different density. Along the blown distances, due to different densities of the mineral powders, various matter elements with different blown distances and different linear speeds are dropped in different recovery troughs at different distances, thus achieving the separation effect of various matter elements of the mineral powder.

The invention provides a high-precision repairing method for a three-dimensional printed product. The high-precision repairing method is used for repairing an incomplete workpiece by a three-dimensional printing technology and comprises the steps of obtaining a data model of a qualified product; extracting surface covering points of the data model of the qualified product, calculating the coordinates of the surface covering points, and establishing a reference point coordinate set; scanning the incomplete workpiece, and establishing a workpiece data model according to the scanning data; extracting surface covering points of the workpeice data model, calculating the coordinates of the surface covering points, and establishing an actual point coordinate set; analyzing and comparing the reference point coordinate set and the actual point coordinate set, extracting points in the reference point coordinate set to establish a target point coordinate set, and extracting points only in the actual point coordinate set to establish a default point coordinate set; obtaining a repairing object set according to the default point coordinate set and the target point coordinate set, and designing spraying paths according to the repairing objects; spraying to repair the incomplete workpiece according to the spraying paths. The high-precision repairing method for the three-dimensional printed product can precisely and quickly repair the incomplete workpieces.

Disclosed is an active boost power converter for driving a single-phase SRM, capable of rapidly establishing excitation current in the excitation mode and reducing tail current and negative torque in the demagnetization mode under the high-speed operation of the SRM. The active boost power converter includes a boost module and a converter module connected to the boost module. The boost module includes first and second capacitors, first and second diodes and a switch device turned on/off to connect the first and second capacitors to each other in series or parallel. The switch device includes an insulated gate bipolar transistor (IGBT). The power converter is operated with first and second input modes and first and second output modes. Voltage of the first capacitor is equal to dc-link voltage and first and second capacitors are controlled to be operated in series or parallel by simply controlling the IGBT.

The invention discloses a photographing method. The method comprises the steps that a collected original person image is displayed on an image preview interface of a terminal screen, an image adjustment instruction issued by a user for the original person image displayed on the image preview interface is received, a target human body part in the original person image is subjected to image adjustment to generate an adjusted person image according to the image adjustment instruction, the adjusted person image is displayed on the image preview interface, and when a photographing instruction is received, a corresponding taken photograph is generated according to the adjusted person image. The invention further discloses a terminal and a computer readable storage medium. By implementing the scheme, the original person image can be subjected to image adjustment (retouching) before the photograph is taken, so that a finally-generated taken photograph is a retouched photo namely a useful photofor the user, the output proportion of useful photos is increased, and the situation is avoided that memory resources are occupied by useless photos.

The three-dimensional high-yield breeding technology for scorpions of the present invention belongs to the field of economic animal breeding, including scorpion breeding methods, feeding and management of scorpions, separate feeding of scorpions, and diseases, predators and prevention of scorpions; the beneficial effects of the present invention are that the yield is high, The survival rate is high, the large-scale breeding of scorpions is realized, and the survival rate and output ratio of scorpion breeding are improved.

Disclosed is a magnetic recording medium which has a high S/N ratio of an output read from a servo signal, few deposits adhered to a head, and a low error ratio. The magnetic recording medium has a magnetic layer which includes a servo band onto which a servo signal for controlling tracking of a magnetic head is written and a data band onto which data are recorded. The servo signal is written onto the servo band which has been magnetized in one direction along length of the magnetic recording medium, by magnetizing the servo band in a direction opposite to the one direction. Further, the magnetic layer has indentation hardness of 60 to 140 Kg/mm<2>.

A stator-split alternating-current servo motor comprises two end covers, an engine base, stators, and a rotor. The stator-split alternating-current servo motor is characterized in that the stators are of a split structure, stator cores (1) are 'H'-shaped, the two ends of the yoke part of each stator core (1) are respectively provided with a bulge (6) and a groove (4) matched with the bulge (6), a winding (3) is directly wound on the tooth part of each stator iron core (1), and multiple split stators are combined and assembled into a whole. The cost, energy and raw materials are greatly reduced, the efficiency is improved, and the size of the motor is greatly reduced.

The invention discloses a hot runner carbon fiber direct-shaping technique of vanes of a wind driven generator, which is implemented by steps of die assembly, injection, die maintenance and die sinking. In the injection step, raw materials fused in hot runner enter into the die cavity from at least five nozzles; the five nozzles are arranged along the length direction of the die cavity; the temperature of the raw materials passing through each nozzle is gradually increased by 3-5 DEG C from tip of the vane to the root of the vane of the wind driven generator correspondingly, ranging within thetemperature scope of fusion state of the raw materials.

In a liquid crystal display device (1), (i) regions where respective detecting devices (201) are provided and (ii) regions where respective reference devices (202) are provided are separately arranged so as to be alternated along a frame. In each region, a predetermined number of PIN photodiodes (413) are connected in series and in parallel. In the whole of the first regions, (i) a series connection of n PIN photodiode(s) and (ii) a predetermined number of parallel connections are provided; in the whole of the second regions, (i) a series connection of n PIN photodiode(s) and (ii) a predetermined number of parallel connections are provided. Thus, even in a case where there is a great variation in the characteristics of photoelectric conversion device elements in a display panel which photoelectric conversion device elements configure a photoelectric conversion device, an intensity of ambient light can be detected accurately in the display device.

A magnetic field detecting device which comprises a magnetic impedance sensor including a magnetic impedance element 1 in which a detecting coil 11 wound around an amorphous wire 10 for detecting and outputting the external magnetic field around the amorphous wire at a rise time and a fall time of the pulse current in case of the pulse current is applied to the amorphous wire and a signal processing device 3 includes two sample-hold circuit 31, 32 for respectively sample-holding the alternate current damped oscillation voltage at the rise time and the fall time of the applied pulse current, wherein the output signal in response to the external magnetic field around the amorphous wire is output based on the detected two alternate current damped oscillation voltages output at the rise time and the fall time of the pulse current.

The invention relates to a multi-dimensional representation method of farmland field information, which comprises the following steps of acquiring farmland geographic information of farmland field expressed by pixels through a satellite remote sensing image, and storing the farmland geographic information in a farmland field database in a character type data structure; obtaining farmland meteorological information of a set order of magnitude of field parcels through the meteorological satellite image, and storing the farmland meteorological information in the farmland parcels database in a data format; obtaining the farmland field operation information through various sensors installed on agricultural machinery, and sending the farmland field operation information through interfaces of thevarious sensors and stored in the farmland field database; and regenerating the farmland geographic information, the farmland meteorological information and the farmland field operation information stored in the farmland field database into multi-dimensional farmland field information, storing the multi-dimensional farmland field information in the farmland field database, and displaying the multi-dimensional farmland field information.