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78results about How to "Easy to quantify production" patented technology

Preparation method for modified barium titanate ceramics

The invention discloses a preparation method for modified barium titanate ceramics suitable for a super capacitor, wherein the preparation method comprises the following steps: step a, auxiliary material preparation: selecting SnO2, CaCO3, BaCO3 and TiO2 and mixing evenly in proportion to obtain an auxiliary material mixture, putting the auxiliary material mixture in a muffle furnace, sintering for a first time, taking out the material, and crushing the material to obtain an auxiliary material, wherein the granularity of the auxiliary material is 3-5 [mu]m; step b, raw material preparation: selecting BaCO3 and TiO2 and mixing, then putting the mixture into the muffle furnace, sintering for a second time, and crushing the product after sintering to obtain a fine powder material; and step c, raw material modification: selecting the auxiliary material and the fine powder material and mixing, putting the mixture into the muffle furnace, sintering for a third time, and crushing the product after sintering for the third time to obtain a finished product. The method has the beneficial effects that the process is simple, the cost is saved, fluctuation of the dielectric coefficient is smooth along with temperature variation, the granularity is relatively fine, and the stable composite material is convenient to synthesize.
Owner:ZHEJIANG JIUKANG ELECTRIC +1

Stripping and slitting machine

The invention discloses a stripping and slitting machine. The stripping and slitting machine comprises an emptying device, a film collecting device, a paper collecting device, a stripping rubber roller, a transmission traction device, an adjustable guide wheel, a fixed guide wheel and a guide wheel fixing pile; the transmission traction device is arranged between the emptying device and the stripping rubber roller; the adjustable guide wheel and the fixed guide wheel are arranged between the stripping rubber roller and the paper collecting device; the film collecting device is arranged above the stripping rubber roller; arresting pins are arranged at the two ends of the adjustable guide wheel; multiple limiting holes are formed in the guide wheel fixing pile; the arresting pins are arranged in the limiting holes; and an electronic meter counter is arranged on the fixed guide wheel. The adjustable guide wheel is additionally provided for reducing the stripping angle and the stripping force, so that incapability of totally transferring aluminum layers on films onto paper due to excessive stripping force cannot occur, and stripping is more thorough. The adjustable guide wheel can moveon the guide wheel fixing pile to adjust to a proper stripping angle so as to achieve a better stripping effect. In addition, the electronic meter counter is arranged on the fixed guide wheel for metering the length of the paper to achieve quantitative production of the paper.
Owner:CHANGDE JINDE NEW MATERIAL TECH CO LTD

Photoelectrochemical sensor using copper molybdate/barium titanate p-n heterojunction as electrooptic active substance as well as construction method and application of photoelectrochemical sensor

The invention discloses a photoelectrochemical sensor using a copper molybdate / barium titanate p-n heterojunction as an electrooptic active substance, as well as a construction method and application of the photoelectrochemical sensor. The construction method of the photoelectrochemical sensor comprises the following steps: 1) pretreatment of a conducting glass sheet; 2) preparation of nano copper molybdate; 3) preparation of a copper molybdate stock solution; 4) preparation of a barium titanate stock solution; and 5) preparation of the photoelectrochemical sensor: firstly modifying the nano copper molybdate on the conducting glass sheet, then using a pulling method to adhere the nano copper molybdate onto the surface of the conducting glass sheet, forming the p-n heterojunction, and thus obtaining an electrode modified with the copper molybdate / barium titanate p-n heterojunction. The photoelectrochemical sensor disclosed by the invention has a strong photoelectric signal in a visible light range, is high in sensitivity and high in selectivity, and is convenient and quick compared with an existing aminothiopropionic acid sensor. The copper molybdate is prepared with a hydrothermal method, preparation conditions are easy to control, and quantitative production of the photoelectrochemical sensor is facilitated.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Multi-path LED (light-emitting diode) driving circuit, backlight driving device and backlight illuminating system

The invention is applicable to the field of illumination, and provides a multi-path LED (light-emitting diode) driving circuit, a backlight driving device and a backlight illuminating system. The circuit comprises a voltage stabilizing unit, a first light dimming control unit, a second light dimming control unit and a driving unit, wherein the voltage stabilizing unit is used for carrying out voltage division and voltage stabilization on the voltage of a power supply so as to reduce the fluctuation range of the power supply; an input end of the voltage stabilizing unit is connected with the power supply; the first light dimming control unit is used for generating a first light dimming signal after power is supplied; the second light dimming control unit is used for generating a second light dimming signal after the power is supplied; the driving unit is used for carrying out driving control and brightness regulation respectively on a first path of LED and a second path of LED according to the first light dimming signal and the second light dimming signal. According to the multi-path LED driving circuit, the backlight driving device and the backlight illuminating system, the fluctuation range of the voltage of the power supply is decreased by the voltage stabilizing unit, the driving unit is prevented from being burned out due to too high voltage, and moreover, a plurality of light dimming signals are generated respectively by the independent light dimming control units, so as to drive the brightness of multiple paths of LEDs, so that the driving control of the LED is more flexible.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1

Shewanella for expressing functionalized amyloid fibre, construction method and application thereof

The invention belongs to the technical field of gene engineering, and particularly relates to Shewanella for expressing functionalized amyloid fibre, a construction method and application thereof. According to the invention, dissimilatory metal reducing bacteria shewanella MR-1 is used as a host of functionalized curli; the peptide structural domain LACQCL is translated into a nucleotide sequence;the nucleotide sequence is connected with the C end of a subunit csgA gene of amyloid fibre curli of escherichia coli through a flexible sequence; and finally, a gene segment csgA-LACQCL expressing functionalized amyloid fibre curli is constructed, so that the function of the peptide structural domain is realized. The invention further provides a heavy metal ion adsorption biological membrane, which has strong tolerance and adsorption effect on various heavy metal ions; furthermore, the heavy metal ion adsorption biological membrane still has excellent metal ion removal rate after repeated adsorption for many times; the defects of long synthesis time, specific adsorption, high cost and the like in the traditional process are overcome; and, the heavy metal ion adsorption biological membrane has good commercial application value in the aspect of metal ion adsorption treatment in a water environment.
Owner:JIANGSU UNIV

Control unit of emergency broadcast

The invention provides a control unit of an emergency broadcast. The control unit comprises a microphone module, a line voice frequency module and a power source module, wherein an microphone voice frequency message source input in the microphone module is connected with input ends of a volume adjustment module and a message source selection module through a voice frequency amplification and voltage limiting control module, three line voice frequency message source inputs in the line voice frequency module are connected with an input end of the message source selection module through an operational amplifier and the volume adjustment module, an output end of the message source selection module is respectively connected with input ends of a plurality of marshalling selection modules, and an output end of each marshalling selection module forms an emergency broadcast to be output by means of the operational amplifier. The control unit has the advantages that message source selection can be performed on microphone voice frequency input and line voice frequency input through the message source selection module, selected message sources are broadcasted to selected marshalling regions through the marshalling selection modules to achieve control of the emergency broadcast; and the control unit has the advantages of being simple in circuit design, convenient to operate, low in manufacture cost, capable of facilitating quantization production, and the like.
Owner:TIANJIN BEIHAI COMM TECH

Double-roll-rim box iron square-shaped pulled and tied double-layer steel plate shear wall

The invention relates to a double-roll-rim box iron square-shaped pulled and tied double-layer steel plate shear wall, and belongs to the field of structural engineering. On the basis of the concept for improving the elastic shearing buckling loads and the anti-shearing bearing force of the shear wall, roll-rim box iron is innovatively guided into the double-layer steel plate shear wall, outer-side steel plates interact with the roll-rim box iron, and the integral bearing force of the wall is improved. The two outer-side steel plates are pulled and tied through the roll-rim box iron, bulging bending deformation of the steel plates towards the outer side or buckling deformation of the steel plates towards the inner side can be limited, single-wave buckling stability losing of the two outer-side steel plates is avoided, and the elastic shearing buckling loads and the anti-shear bearing force of the outer-side steel plates are effectively improved. In addition, through the arrangement ofa component which is a steel plate shear wall unit, the consistent interior and edge part connection manner is effectively guaranteed, and local wall damage caused by the connected weak area cannot happen in the stress process; and through usage of the steel plate shear wall unit, integral wall installation is more rapid, the arrangement manner is more flexible, construction is convenient and fast, and the quality is easy to guarantee.
Owner:BEIJING UNIV OF TECH

Preparation method of pickled pawpaw

The invention discloses a preparation method of pickled pawpaw, and relates to the technical field of preparation of pickles. In order to solve the technical problems that the taste of the pickled pawpaw prepared in the prior art becomes bitter easily and the pickled pawpaw is unfavorable for preservation. The preparation method comprises the following steps: selecting raw fresh green-skinned pawpaw which has no pest and disease damage and is not rotten, cleaning the selected pawpaw, and peeling off the pawpaw; standing the peeled pawpaw for 20 to 40 minutes till white juice in the pawpaw flows out; cleaning the pawpaw subjected to standing with pure water, then splitting the pawpaw, and removing pawpaw seeds; slicing the pawpaw, and steeping the pawpaw slices into the pure water for later use; mixing and smashing 100 g of raw fresh hot pepper, 100 g of garlic, 200 g of white sugar and 50 g of refined salt; taking out 2 Kg of the pawpaw slices, stirring the pawpaw slices with the smashed hot pepper, garlic, white sugar and refined salt, and pouring white vinegar while stirring; placing the stirred pawpaw into a lightproof container for standing for 2 to 5 days, so as to obtain the edible pickled pawpaw. The method for preparing the pickled pawpaw is simple and favorable for mass production; meanwhile, the pickled pawpaw tastes good and crispy, does not have bitterness, and can be preserved for a long time without going bad.
Owner:农祥堂
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