7results about How to "Guaranteed volatility" patented technology

The invention relates to a coke oven gas collection system control and evaluation method. The coke oven gas collection system control method comprises the steps of disturbance feedforward control of single gas collection pipe pressure, basic control of single gas collection pipe pressure, pressure head control of a balance gas suction pipe, adjustment of a suction force control range of an air blower and basic control of suction force of the air blower. The coke oven gas collection system evaluation method comprises a coke oven gas collection system evaluation system, wherein the coke oven gas collection system evaluation system comprises an evaluation variable acquisition unit, a data preprocessing unit, a feature extraction unit, a working condition evaluation unit and a feature updating unit; the pressure control device assists operators in fundamentally solving the overall pressure control problem of the gas collection system, ensures that the pressure of the gas collection pipe fluctuates within the range required by the process, ensures the stable work of the coke oven gas collection pipe and the air blower, quickly adjusts the pressure of the gas collection pipe to a stable state, and ensures the safe operation of the whole coke oven gas system.

This invention relates to a display panel and its manufacturing method. The display panel includes a driving backplane and a plurality of light-emitting devices located on one side of the driving backplane. Each light-emitting device includes: a first electrode electrically connected to the driving backplane, with the first electrodes in each light-emitting device being independently disposed; an epitaxial structure, with the epitaxial structure in each light-emitting device being independently disposed on the side of the first electrode away from the driving backplane, and each epitaxial structure including a first semiconductor layer, an active layer, and a second semiconductor layer sequentially stacked along a direction away from the driving backplane; and a second common electrode electrically connected to the driving backplane, and the second common electrode including a transparent conductive film, which is in contact with the second semiconductor layer in each epitaxial structure. With the same number of pixels, the light-emitting devices with the above structure improve the transparency of the display panel; similarly, with the same transparency, more light-emitting devices with the above structure can be arranged, thereby increasing the PPI of the display panel.

The utility model discloses a portable vehicle-mounted aromatherapy, which relates to the technical field of vehicle-mounted aromatherapy and comprises a base, a slide rail is arranged at the upper end of the base, a left end baffle is mounted at the upper end of the slide rail, a right end baffle is mounted at one end of the left end baffle, a circular shaft is mounted at the upper end of the left end baffle, and a movable cover is mounted at the upper end of the circular shaft. Through the base, the sliding rail, the left end baffle, the right end baffle, the circular shaft and the movable cover, the left end baffle and the right end baffle are connected in a sliding mode through the sliding rail installed in the device, the containing tank can be shielded, meanwhile, the whole aromatherapy device is carried in a portable mode through the hole formed in the device, and through the containing tank, the clamping groove, the bottom support and the pull rod, the aromatherapy device is convenient to use. And different types of liquid aromatherapy can be placed in the containing tank or in a retrograde fixed lifting manner. After the solid aromatherapy is placed and used, the bottom support can be lifted upwards through the pull rod, and the residual solid aromatherapy can be conveniently taken out to be cleaned and replaced.

The invention belongs to the technical field of separation and purification, and particularly relates to a separation and purification method of 3-fucosyllactose. According to the method disclosed by the invention, the 3-FL can be efficiently separated and purified through two crystallization processes by controlling the proper graining temperature, associating the graining sugar degree with the two times of seed crystal adding time and controlling the cooling crystallization rate, so that a high-quality 3-FL crystallization product is obtained. The method is simple and convenient, is more suitable for industrial production, and can be used for extracting and purifying high-quality 3-FL only through simple and conventional pretreatment steps; more widely, the method can be used for extracting high-quality 3-FL from a crude 3-fucosyllactose solution prepared by an enzyme method and a chemical synthesis method.

The invention discloses a wax mold cleaning agent as well as a preparation method and application thereof. The wax mold cleaning agent comprises the following raw materials in parts by mass: 100 parts of purified water; 1 to 8 parts of OP-10; 1 to 8 parts of Tween-80; 3 to 12 parts of polyethylene glycol 200; 3 to 12 parts of a silane modified coupling agent; 0.4 to 1.2 parts of polyether modified silicone oil; 1-7 parts of benzyl alcohol; 0.1 part to 0.7 part of hydroxyethyl cellulose; 0.1 part to 1.3 parts of isothiazolinone; and 0.3 to 2.4 parts of glycerol. The cleaning effect of the wax mold cleaning agent is superior to that of a traditional organic solvent, the wax mold size precision is not affected, non-metal parts of equipment are not corroded, meanwhile, the production cost and the wastewater treatment difficulty are greatly reduced, and green, safe and efficient wax mold cleaning is achieved.

The utility model discloses a continuous graphitization on-line measuring system which comprises an on-line graphitization degree detection device and a control system, the on-line graphitization degree detection device comprises a mechanical arm, a gripper, a sampler, a stirrer, a standard sample storage device, a detection container, a balance and a powder diffractometer, the output end of the mechanical arm is respectively connected with and drives the gripper, the sampler, the stirrer and the standard sample storage device to act, and the control system is respectively connected with the mechanical arm, the balance and the powder diffractometer, so that a graphite sample is grabbed by the sampler and then is put into the detection container to be mixed with a standard sample; and transferring to the powder diffractometer to detect the graphitization degree of the graphite sample. According to the utility model, the performance of the continuous graphitized material can be detected on line in real time, so that key indexes of the graphitized material can be timely controlled, the fluctuation of the indexes in a reasonable range is reduced, and the qualified rate of products is improved.

The present invention belongs to the field of separation and purification technology, and specifically relates to a method for separation and purification of 3-fucosyllactose. The present invention can achieve efficient separation and purification of 3-FL through two crystallization processes by controlling a suitable crystallization temperature, associating the crystallization sugar content with the timing of adding seed crystals twice, and the cooling crystallization rate, so as to obtain a high-quality 3-FL crystalline product. And the method is simple and convenient, more suitable for industrial production, and only simple and conventional pre-treatment steps are required to extract and purify high-quality 3-FL by the method; more widely, the method can be used to extract high-quality 3-FL from a crude 3-fucosyllactose solution prepared by enzymatic method and chemical synthesis method.