32results about How to "Avoid excessive volatility" patented technology

Methods and systems are provided for controlling exhaust emissions by adjusting an injection profile for different fuels injected into an engine cylinder from different fuel injectors during engine start and crank. By splitting fuel injection during start and cranking so that fuel of lower alcohol content is port injected and fuel of higher alcohol content is direct injected as one or multiple injections, the soot load of the engine can be reduced and fuel economy can be improved.

The invention relates to nonyl alcohols with a low degree of branching and derivatives produced using them. In particular the present invention relates to mixture of primary nonyl alcohols in which at least 80% of the alkyl chains are linear and at least 15% of the alkyl chains are branched at the 2-carbon position and its derivatives. The low degree of branching produces derivatives that are more elongated and less bulky that similar derivatives produced with more highly branched alcohols.

A process for the production of a fabric/elastomer composite is provided. The inventive process involves the impregnation through a printing procedure of an inventive elastomer composition comprising (i) a water-borne polyurethane latex, (ii) an acid-generating chemical, (iii) a cloud point surfactant, (iv) a thickener, and (v) optionally, a cross-linking agent, within a textile fabric. Subsequently, the impregnated fabric is then heated, preferably with steam, in order to generate an acid, which, in turn, permits the surfactant to gel and uniformly coagulate the latex over the fabric surface. The fabric is preferably a circular knit comprised of polyester and/or lycra fibers. The composite may be utilized within any fabric application requiring a support function, particularly as joint braces, sports brassieres, support apparel, and the like. The inventive elastomer composition is also provided.

The present invention disclosed a liquid acidifier and making method. The present invention comprises organic acids and relevant soluble salts. After the organic acids and the relevant soluble salts are treated by the following procedures of heating, melting, mixing, removing bacteria, filtrating and so on, the liquid acidifier is made. The content of organic acids is over 70percent, which can reduce the pH value of drinking water and intestine, can prevent the harmful flora, can restrain the growth of the salmonella, at the same time can improve the stress ability of the animals, can reduce the death rate and promote the growth rate, and can enhance the absorption rate and conversion of feed. The present invention provides a new idea for developing a compound acidifier.

The present disclosure relates to a biodegradable lubricant composition, notably intended to be incorporated as an oil phase with high lubricating power in a drilling fluid or mud. This composition may be in a drilling fluid or as a fluid for fracture of underground formations. These muds or fluids contained in the composition of the present disclosure are particularly suitable for very deep drillings, offshore in deep water and/or sidetracked drillings or with a long shift.

The invention discloses a fireproof facing mortar composite layer. The fireproof facing mortar composite layer comprises a screed-coat, a surface layer and a coating, wherein the screed-coat is mainlyprepared from low-temperature calcination graphite, portland cement, quartz sand, rubber powder and a water-retaining agent, the surface layer is prepared mainly based on an aluminate cement-rich composite cementing material system (HAC-OPC-CS), and the coating is mainly prepared from silicone acrylic emulsion and nano-hybrid resin. By the multilevel composite fireproof mechanism of the screed-coat, the surface layer and the coating, the fireproof facing mortar composite layer achieves relatively good fireproof performance on the whole. The mortar composite layer obtained by the invention hasgood binding power with the basic surface of a wall body, and as inorganic materials account for the vast majority of ingredients, the mortar composite layer is particularly suitable for the decorative design of architectural outer walls of villas, foreign-style houses and the like.

Disclosed is a heat dissipation control method of a blade server. The method comprises the steps that 1, a management node draws a characteristic curve of wind pressure and wind quantity of each fan according to the model number of each fan; 2, aiming at every calculation node, the management node calculates a heat dissipation contribution value of each fan on the corresponding calculation node according to physical locations of calculation nodes, physical locations of the fans and the characteristic curve of the fans; 3, when temperature rises caused by the increase of the load of a certain calculation node, the management node adjusts the rotate speed of each fan in proportion according to the heat dissipation contribution value of each fan on the corresponding calculation node, so that related fans work cooperatively to form resultant force of heat dissipation, and thus the wind quantity of the each calculation node is increased, and the adjusting quantity of each fan is decreased accordingly; 4, when the load of certain calculation node decreases, the management node adopts operation opposite to the third step according to the heat dissipation contribution value of each fan on the corresponding calculation node, and thus the wind quantity of each calculation node is decreased, and the adjusting quantity of each fan is decreased accordingly.

The invention belongs to the technical field of air conditioners, in particular to a method for controlling defrosting of an air conditioner. In order to prevent over-large fluctuation of a room temperature during defrosting, the method for controlling the defrosting of the air conditioner disclosed by the invention comprises the following steps: judging whether the air conditioner meets a defrosting condition or not in a heating operation process of the air conditioner; acquiring an indoor ambient temperature and an outdoor ambient temperature before the air conditioner enters into a defrosting mode if the air conditioner meets the defrosting condition; and selectively controlling the operation frequency of a compressor, an opening degree of a throttling valve or rotation speed of an airblower of an indoor unit and/or an outdoor unit according to values of pn and dn, wherein pn is equal to the preset temperature minus the outdoor ambient temperature, and dn is equal to the indoor ambient temperature minus the outdoor ambient temperature. According to the method disclosed by the invention, before the air conditioner enters into the defrosting mode, based on the values of dn and pn, the operation frequency of the compressor, the opening degree of the throttling valve or the rotation speed of the air blower of the indoor unit and/or the outdoor unit are selectively controlled soas to store a part of energy; and in the defrosting process of the air conditioner, the part of energy is supplemented to the inside of a room again, so that the over-large fluctuation of the room temperature during defrosting can be effectively prevented.

The invention provides a driving method and driving circuit of a mini LED backlight module and a display device. The mini LED backlight module comprises k horizontally-spliced backlight partitions, and according to the driving method, in each frame of display time period, when one scanning signal is provided according to a preset time sequence to scan one row of light-emitting elements of the mini LED backlight module, data signals are sequentially input to the first to kth backlight partitions in a staggered manner according to the brightness information, so that the light-emitting elements in the rows of the first to kth backlight partitions work at the same time until all the light-emitting elements in the mini LED backlight module are driven to work. In this way, each row of light-emitting elements originally needing to work at the same time in the mini LED backlight module are split into a plurality of backlight partitions where the row of light-emitting elements work at the same time, so that the problem that backlight current fluctuation is too large when all rows of light-emitting elements in the mini LED backlight module are turned on at the same time is solved.

The invention provides an operation control and device, an air conditioner and a storage medium. The operation control method comprises the steps that it is detected that the air conditioner enters the correction stage of the target temperature, and the variation amplitude of the radiation temperature within the specified time period is obtained; and according to the preset relation between the sensible temperature, the radiation temperature and the room temperature as well as the variation amplitude, the target temperature of the room temperature is corrected so that the sensible temperaturecan be kept within the specified temperature range. By implementing the technical scheme of the invention, though the purpose of the target temperature adjusting scheme is to ensure that the sensibletemperature is kept within the specified temperature range, only the preset relation between the sensible temperature, the radiation temperature and the room temperature needs to be determined withoutactually obtaining the specific value of the sensible temperature, and thus, the control mode is easier.

The invention discloses an implementation method for preparing chopped garlic chili sauce by using a micro-encapsulation flavor development technology. The sauce is prepared from salted chili, broad bean sauce, tomato sauce, sugar garlic, embedded garlic powder, chicken essence, monosodium glutamate, edible salt and fermented vinegar. The chopped garlic chili sauce prepared by the method is added with the sugar garlic and the embedded garlic powder, so that the chopped garlic chili sauce has strong and lasting garlic flavor and has more distinct layers in taste. Under the synergistic effect of the CO2 supercritical fluid extraction and embedding technology, fresh aroma substances and nutrient components in garlic are reserved to the greatest extent, so that not only oxidation of fresh garlic is avoided, but also microbial reproduction is effectively inhibited; meanwhile, the reflux boiling combined with a vacuum stirring technology changes the traditional chopped garlic chili sauce boiling method by adding fresh garlic, oil oxidation and starch gelatinization biochemical reaction generated by materials at high temperature are avoided, excessive volatilization of flavor substances at high temperature is avoided, and the flavor of products through sealing treatment are improved. The flavor of chili is released more fully and more pure, and the loss of garlic flavor in the production and boiling process and the weakening speed in the shelf life are reduced.

The invention discloses a real-time rendering method based on energy consumption-error precomputation, comprising: determining the spatial level structure of the scene to be rendered through adaptive subdivision of the space positions and look space of the camera browsable to the user in the 3D scene to be rendered; during the process of adaptive subdivision of the space, for each position subspace obtained at the completion of each subdivision, obtaining the error and energy consumption of the camera for rendering the 3D scene using a plurality of sets of preset rendering parameters in each look subspace at each vertex of the bounding volume that bounds the position subspace, and Pareto curve of the corresponding vertex and look subspace is built based on the error and energy consumption; based on the current camera viewpoint information, searching and obtaining the target Pareto curve in the spatial level structure to determine a set of rendering parameters satisfying the precomputation condition as optimum rendering parameters to perform rendering. The present invention not only saves a great deal of energy, but also ensures the quality of rendering result and extends the battery life.

The invention provides a model prediction control method for reducing torque ripple and flux linkage fluctuation of a PMSM (permanent magnet synchronous motor). According to the method, the algorithm complexity is reduced by adopting a fast selection table, and the flux linkage fluctuation is comprehensively considered while the torque performance is ensured. The method comprises the following steps: firstly, carrying out comprehensive analysis on an electromagnetic torque slope and a stator flux linkage slope, and carrying out sector judgment according to predicted values; secondly, effective voltage vector selection is carried out in a fast selection table according to the torque difference value and the number of sectors, and the selection time of the effective voltage vector is shortened; and finally, the action time of each voltage vector is calculated according to a dead-beat control principle. In the whole control process, a small number of prediction times is adopted, the system structure is simplified, the small calculation amount of the algorithm in the operation process is guaranteed, the control precision of the system is improved, the complexity of the system is reduced, and it is guaranteed that the permanent magnet synchronous motor has wide commercial application value in the control field.

The present invention relates to a process for producing a textile-elastomer composite. The inventive procedure involves (a) producing an elastomer composition of at least three ingredients (an anionically-stabilized waterborne polymer dispersion, an acid-generating chemical, and a cloud-point surfactant); (b) applying the composition onto a porous textile substrate; and (c) heating said coated fabric to cause coagulation of the elastomer composition over the fabric substrate and to dry the resultant composite without destroying the coagulated structure. The resultant composite obtains a suppleness and appearance that is similar to that of leather, while exhibiting improved resistance to ultraviolet radiation and hydrolysis and other types of polymer degradation. The composite may be utilized as upholstery fabric in furniture or in automobiles, in apparel, and the like. The particular composites produced are also contemplated within this invention.

A prime mover control system is provided that can prevent magnification of power fluctuation, included in a feedback signal, that occurs between a generator and a power system, and that enables stable operation of the prime mover to continue, without disturbing the power system. In the case where a deviation detection device (1a) that receives as input an output-power command value signal indicating a command value that is a target for the output power of a generator driven by a prime mover and an output-power signal indicating the present value of the output power, and that outputs a deviation signal indicating the deviation between the command value and the present value of the output power, and in the case where a control device (3a) that receives as an input the deviation signal and outputs a control output signal for controlling the output of the prime mover, a filtering device (2a) is provided that, in the output-power signal, the deviation signal, or the control output signal, attenuates or eliminates predetermined frequency components caused by periodic fluctuations, in the output power of a generator, that occur due to discrepancy between the output of the prime mover and the generator output power.

The invention relates to a voltage converter for power optimization and a mode switching method thereof. The voltage converter is used for absorbing electric energy from a corresponding photovoltaic module and is connected in series, output voltages of the voltage converters are superposed to obtain a DC bus voltage, an expected voltage output from the voltage converter is equal to a ratio, whichis calculated by an external power provided by the corresponding photovoltaic module on the total power, multiplied by a set value of the DC bus voltage, the voltage converter enters a first mode of voltage drop when the ratio of the expected voltage sum of the voltage converters and maximum power point voltage of the corresponding photovoltaic module does not first gain, the voltage converter enters a second mode of voltage rising when the ratio of the expected voltage sum output from the voltage converter and the maximum power point voltage of the corresponding photovoltaic module is not lower than a second gain, and the voltage converter enters a third mode which an output voltage is equal to an input voltage when the ratio of the expected voltage sum output from the voltage converter and the maximum power point voltage of the corresponding photovoltaic module is between the first gain and the second gain.