126results about How to "Reduce the absolute value" patented technology

The invention relates to a method for dyeing textile by dye liquor prepared by mutually dissolving organic solvent and water and belongs to the technical field of textile printing and dyeing processing. The dye liquor applies organic solvent soluble in water and lower than water in boiling point, and dye is soluble in water and insoluble in organic solvent, so that effective liquor ratio is lowered, distribution coefficient of dye on fiber is changed, and dye uptake is of dye is increased. Adding the organic solvent allows boiling point of the dye liquor to reduce, energy is saved, water consumption in dyeing process is greatly reduced, the organic solvent can be recycled and reused, and discharge of waste liquor is reduced. The dyeing process includes performing twice-soaking and twice-rolling accelerant solution to textile, and solid accelerant is prevented from being precipitated out at a great amount by being added in dyeing process. The method is low in water consumption, utilization rate of dye is increased, energy consumption is low, the organic solvent can be recycled and reused, and cleaning and dyeing are achieved simultaneously.

The invention relates to a method for quantitatively predicting primary capacity of compact carbonate rock gas bearing formations. The method includes building a logging explanation database of a carbonate rock gas bearing formation region, and making an Ig-Qg capacity predicting plate by the aid of data of the database according to the characteristic that gas containing indexes Ig of gas bearing formations which have the same types in an identical region or similar reservoir features and are confirmed by gas testing is linearly relevant to primary stable capacity Qg of the gas bearing formations on a scatter diagram; building a capacity predicting equation of Qg=AXIg+B; utilizing the data of the database to regionally draw the Ig-Qg capacity predicting plate, building the capacity predicting equation of Qg=AXIg+B to predict the primary stable capacity of the carbonate rock gas bearing formation region, comparing an output predicted result with an actual measured result, and inputting the predicted result into the logging explanation database if a relative error is smaller than 20%; and repeating the above steps if the relative error is larger than 20% until the relative error is smaller than 20%, and then inputting a result into the logging explanation database. The method is applied to more than 150 wells and formations in a Sichuan basin, an absolute value of a capacity predicting relative error is smaller than 20%, key parameters of capacity prediction are calculated simply and conveniently, and field practicality is high.

The discharge lamp of the invention includes a main discharge vessel which is filled with a discharge medium for the main discharge via a pair of opposed main discharge electrodes, and has a first electrode sealing part and a second electrode sealing part for connecting the pair of main discharge electrodes. The advantage of the invention is in a starting electrode arranged such that it does not come into contact with the main discharge space, and an auxiliary light source which includes an auxiliary discharge vessel located adjacent on the side of one of the electrode sealing parts and which is not made integral with the electrode sealing parts. The auxiliary light source is filled with a discharge medium, and has a first outer electrode on the outside of the auxiliary discharge vessel.

The invention discloses a method for improving the on-orbit performance of an SAR satellite based on electromechanical combined scanning, and the method comprises the steps: setting a moment when the Doppler frequency of the echo of the center of an imaging scene is zero as an imaging center moment; setting ground aiming points of the azimuth at different moments; calculating an instantaneous echo time range according to the range of the slope distance between the satellite and a scene; selecting a proper pulse repetition rate; determining the scanning range of an antenna according to the electric scanning capability of the satellite antenna; calculating the number of residence pulses according to the electric scanning range and a beam scanning step value; calculating the electric scanning angles of the antenna at all the time points according to the constant-speed scanning law; calculating an attitude angle required by the instantaneous imaging according to the instantaneous ephemeris data, the ground aiming points and the electric scanning angles of the antenna at instantaneous moments through employing a vector method; judging whether a satellite control system can meet the above attitude demands or not; and completing the parameter design. Therefore, the method achieves the overall improvement of the image performances of an on-orbit phased-array system SAR satellite in the mode of electromechanical combined scanning.

A drive method for a display medium containing two particle types can drive the display medium with a low voltage and thereby achieve high image resolution, downsize the drive circuit, and lower the cost while improving the durability of the display medium. The display medium has a pair of substrates, at least one of which is transparent, disposed with a gap therebetween, and two types of particles of different color and charge characteristics sealed between the pair of substrates. To change the displayed image, the drive method applies a voltage pulse to at least one of the pair of substrates to pull particles that are to move to the substrate to which the particles that are to move adhere, and then applies a voltage pulse to move the particles that are to move to the substrate opposite the substrate to which the particles that are to move adhere.

A method and apparatus for aligning a scan pattern to a two dimensional bar code having parallel rows of codewords. The two dimensional bar code is scanned with a scanning pattern oriented such that a plurality of lines thereof cross the bar code rows. A determination if there is a non-zero angle between at least one of the plurality of lines and the rows by decoding codewords in rows intersected by the at least one line is made and the orientation of the scanning pattern is adjusted to reduce the absolute value of the angle.

A mobile unit detecting device includes a wave transmitter, a wave receiver, a wave detection unit, a binary conversion unit and a decision unit. The wave transmitter issues an energy wave having a first frequency to a detection region. In response to an energy wave coming from the detection region, the wave receiver issues an electric signal corresponding to the incoming energy wave. The wave detection unit achieves a detection signal from both a reference signal having a first frequency and that electric signal. The binary conversion unit compares the detection signal with a conversion threshold signal to achieve a binary signal. On the basis of this binary signal, the judgement unit judges whether or not a mobile unit approaching or leaving the wave receiver exists in the detection region.

The invention provides a semiconductor wafer, its leveling method and packaging method. Wherein, the flattening method of a semiconductor wafer includes: providing a semiconductor wafer, the semiconductor wafer includes a functional surface formed with several semiconductor chips and a back surface opposite to the functional surface, and the semiconductor wafer has warping deformation; Afterwards, a stress layer is formed on the back of the semiconductor wafer, and the stress layer exerts stress on the wafer, thereby reducing the absolute value of the height difference between the edge and the center of the wafer, that is, reducing the warpage of the semiconductor wafer The flatness of the semiconductor wafer can be improved to improve the packaging effect of the semiconductor wafer and the cutting effect of the semiconductor wafer, so as to improve the yield rate of each chip formed after cutting the semiconductor wafer.

The invention relates to an elevator maintenance system. The elevator (10) side is equipped with an abnormity monitoring controller (30), which collects action data of a monitoring object machine collected by a data collection part (31), and saves the data in the current data storage part (33). A calculation part (34) calculates the differential value between an initial data saved in an initial data storage part (32) and a current data saved in a current data storage part (33). A regulation part (35) has a first threshold value set by the upper limit of the monitoring object machine, and a set second threshold value lower than the first threshold value. When the differential value exceeds the second threshold value, the preset parameter is adjusted and the action data is changed, thereby reducing the absolute value of the differential value of the action data for continuous operation.

The invention relates to yogurt with low glycemic index, prepared by coupling a dairy product with stabilizer, sugar substitute, and inulin and carrying out strain fermentation, wherein the sugar substitute is selected from one or more of neotame, acesulfame, crystalline fructose, erythritol, xylitol, sucralose, and L-arabinose. The yogurt of the present invention is a dairy product with low glycemic index and high nutritional value, the glycemic index of the product is lower than 30, and the product is especially suitable for diabetic patients.

The invention discloses a leaching method for increasing the leaching rate of ionic adsorption type rare earth ore. According to the leaching method, a leaching aid agent is added into a leaching agent so that a leaching solution can be prepared, and then, the ionic adsorption type rare earth ore is leached; or the ionic adsorption type rare earth ore is subjected to drip washing through a leaching aid agent solution at first, after drip washing liquid of the ionic adsorption type rare earth ore is collected, a leaching agent is added so that a leaching solution can be prepared, and the ionic adsorption type rare earth ore subjected to drip washing through the leaching solution is leached; and the leaching aid agent is a mixture comprising one or more of succinic acid, sodium succinate, succinic acid and ammonium succinate. According to the leaching method, one or more of the succinic acid, the sodium succinate, the succinic acid and the ammonium succinate are adopted as the leaching aid agent, the aggregation of clay particles in ore is maintained, migration of the clay mineral particles in the leaching process is reduced, meanwhile, the ore penetrating quality can be improved moderately, and the leaching rate is increased.

The present invention provides a system and method for controlling one or more light-emitting elements which are driven by forward currents to generate mixed light for use, for example, through a luminaire. The system has one or more light sensors for acquiring feedback optical sensor data and a user interface for providing reference data representative of a desired mixed light. The system also has a controller for transforming either the sensor data or the reference data into the coordinate space of the other and to determine a difference between the sensor and the reference data in that coordinate space. The controller is configured to adjust the forward currents during operating conditions so that the sensor data matches the setpoint data. The present invention also provides a system and method that can at least partially compensate certain temperature induced effects when transforming the optical sensor or the reference data.

The invention aims to disclose an internal oculoscope which comprises a lens, wherein at least one of a front surface and a rear surface of the lens is an aspherical surface; the aspherical surface is that an absolute value of an equivalent curvature radius of a periphery of an optical region of the lens is greater than the absolute value of a curvature radius of a center of the optical region of the lens. Compared with the prior art, through a surface shape structure of the aspherical surface, the surface shape and the curvature radius of the optical region of the lens are controlled by the aspherical surface, so that the curvature radius is changed uniformly under different pore sizes; the absolute value of the equivalent curvature radius of the periphery is greater than the absolute value of the equivalent curvature radius of the center, so that the refractive power of the periphery is greater than the refractive power of the center, and the absolute value of the refractive power of the periphery is smaller than the absolute value of the refractive power of the center; the refractive power is distributed in a state of uniformly changed myopic periphery defocusing distribution; the deepening of myopic degree of a patient with myopia is controlled, so as to achieve purposes of the invention.

The invention provides a 2/1 voltage ratio self-calibration method of a voltage divider. The 2/1 voltage ratio self-calibration method comprises the steps of a step 1, applying a DC voltage U1 on a tested voltage divider and a reference voltage divider, measuring a voltage difference deltau1 between a resistor RY in the tested voltage divider and a resistor R2 in the reference voltage divider; a second step, interchanging the positions of a resistor RX and the resistor RY in the tested voltage divider; a third step, applying a DC voltage U2 on the tested voltage divider and the reference voltage divider, measuring a voltage difference deltau2 between the voltage of the resistor RX in the tested voltage divider and the voltage of the resistor R2 in the reference voltage divider; and a fourth step, according to the U1, U2, deltau1 and deltau2, calculating the actual voltage ratio K and a measuring uncertainty d of the tested voltage divider. Compared with the prior art, the 2/1 voltage ratio self-calibration method of the voltage divider is advantageous in that the 2/1 voltage ratio of the voltage divider can be accurately acquired without direct measurement for a resistance or use of a standard voltage divider with a higher accuracy grade.

The invention provides an acceleration-adjustable self-adaptive cruising control system and method. The system comprise an ACC controller, a wheel speed sensor and a laser radar sensor; the wheel speed sensor is used for measuring the speed of the vehicle; the laser radar sensor is used for measuring the speed of a front vehicle and the distance between the front vehicle and the vehicle; the ACC controller comprises a judging module, a calculating module and a comparing module; the judging module judges whether an ACC mode is entered or not according to the input speed of the front vehicle andthe distance between the front vehicle and the vehicle; the calculating module is used for calculating the theoretical distance between the front vehicle and the vehicle; and the comparing module isused for calculating the predicted acceleration of the vehicle and transmitting the predicted acceleration of the vehicle to an executor for execution. According to the invention, the acceleration ofthe vehicle of a user can be changed according to the acceleration of the front vehicle, so that the distance between the front vehicle and the vehicle of the meets the requirement of safety, and thechange rate of the acceleration and deceleration of the vehicle of the user is small.

A spot welding apparatus includes a spot welding gun and a welding gun control apparatus. The welding gun control apparatus includes a pressurizing force control part controlling the pressurizing force, a position control part controlling the position of at least one electrode, and a determination part determining whether or not the welding is performed in a normal state. The position control part controls an electrode drive motor so as to hold the electrodes, after the supply of the electric current is started, at positions when the initial pressurizing force is applied before the electric current is supplied. The determination part acquires the pressurizing force and determines whether or not the welding is performed in a normal state based on change tendency in the pressurizing force.

The inventive radiation-emitting cable comprises a coaxial cable segment (1) and at least two radiation-emitting elements (5). Said radiation-emitting element is embodied in the form of an insert. The external conductor (4), dielectric layer (3) and the internal conductor of the coaxial cable segment (1) are provided with an opening which is embodied therein and used for tapping electromagnetic energy by means of said insert. The insert is made from an insulated wire segment whose one end is placed in the opening and the other end is arranged outside of the external conductor (4) of the coaxial cable segment (1) in such a way the electromagnetic energy is irradiated into environment .The electromagnetic energy tapping and irradiating device is embodied in the form of said radiation-emitting element (5).

Embodiments of the invention provide an LDPC decoding method, an LDPC decoder, and a storage device thereof. The LDPC decoding method scales down first reliability information transmitted from the variable node to the check node, second reliability information transmitted from the check node to the variable node, and bit information of the variable node in at least one iterative cycle. The scaling operation can reduce the absolute value of the information, so that the decoder is allowed to use less bit width to achieve the goal of reducing the hardware cost of the decoder while ensuring the decoding performance.

Disclosed is a hot continuous rolling steel head dynamic variable looping unit tension control method, and the hot continuous rolling strip head dynamic variable looping unit tension control method belongs to the field of steel rolling control. The hot continuous rolling strip head dynamic variable looping unit tension control method is characterized in that when the angle of a strip steel head loop is less than 20 degrees, the tension setting of a looping unit is dynamically increased according to torque deviation value [delta]M. The hot continuous rolling strip head dynamic variable loopingunit tension control method eliminates the abnormal hidden danger of the loop movement, saves the equipment failure time, solves the abnormal loose of the loop, and achieves good benefits. The hot continuous rolling strip head dynamic variable looping unit tension control method is suitable for being used in the control of a hot rolled strip finishing mill.