50results about How to "Reduce industrial costs" patented technology

A method for pseudo-planarization of an electromechanical device and for forming a durable metal contact on the electromechanical device and devices formed by the method are presented. Two principal aspects of the method include the formation of a planarized dielectric/conductor layer on a substrate and the formation of an electrode in an armature of a microelectromechanical switch, with the electrode formed such that it interlocks a structural layer of the armature to ensure it remains fixed to the armature over a large number of cycles. The present invention also relates to a system and method for making MEM switches having a common ground plane. One method for making MEM switches includes: patterning a common ground plane layer on a substrate; forming a dielectric layer on the common ground plane layer; depositing a DC electrode region through the dielectric layer to contact the common ground plane layer; and depositing a conducting layer on the DC electrode region so that regions of the conducting layer contact the DC electrode region, so that the common ground plane layer provides a common ground for the regions of the conducting layer.

Provided are a three-dimensional net-like aluminum porous body in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body; a current collector and an electrode each using the aluminum porous body; and methods for producing these members. The porous body is a three-dimensional net-like aluminum porous body in a sheet form, for a current collector, in which the diameter of cells in the porous body is uneven in the thickness direction of the porous body. When a cross section in the thickness direction of the three-dimensional net-like aluminum porous body is divided into three regions of a region 1, a region 2 and a region 3 in this order, the average cell diameter of the regions 1 and 3 is preferably different from the cell diameter of the region 2.

The invention discloses a chrysanthemum flower picking device. The chrysanthemum flower picking device comprises a picking head, a conveying tube, a storage box and a fan, wherein the tail part of the picking head is connected with the conveying tube; the conveying tube communicates with the storage box; and fan is arranged on the storage box. According to the chrysanthemum flower picking device disclosed by the invention, chrysanthemum flowers are picked by the picking head, and negative pressure, formed in the storage box by the fan, is used for inputting the chrysanthemum flowers into the storage box through the conveying tube; a handle is arranged on the picking head, so that operation of a picking worker is convenient; the storage box is set to be a carrier type rubber frame, is light and convenient to carry, so that picking staff carries the storage box on the back while operating the picking head, and therefore, the chrysanthemum flower picking device can complete picking of the chrysanthemum flowers, and is convenient and labor-saving; a comb fork of the picking head is driven by a motor to rotate, so that the speed is high and the efficiency is high; one picking head can replace workload of several persons, so that investment on chrysanthemum flower picking is reduced; and the chrysanthemum flower picking device is simple in structure, is convenient to use, greatly improves chrysanthemum flower picking efficiency and reduces industrial cost.

The invention discloses a device for collecting chrysanthemums in batches. The device comprises a walking and conveying device, a driving system and a collection executing device. The collection execution device is arranged in the front of the walking and conveying device, and the driving system is arranged on the walking and conveying device and connected with the walking and conveying device and the collection executing device in a driving mode; the collection executing device comprises a rotary shaft, a comb knife, a pressing plate and a supporting plate, the supporting plate is arranged on the rotary shaft, the comb knife is arranged on the supporting plate, the pressing plate is arranged on the comb knife, the pressing plate and the supporting plate are connected in an opposite pressing mode to fix the comb knife, the rotary shaft is connected with the driving system, and the two ends of the rotary shaft are connected to the walking and conveying device through connecting rods. Electric-energy driving is adopted for the device and replaces manual picking, and in this way, the labor intensity of workers is lowered; the efficiency of chrysanthemum picking is greatly improved, investment input into collection of the chrysanthemums is lowered, and the device is simple in structure and convenient to use and lowers industry cost.

The invention relates to the technical field of petroleum recovery efficiency increasing, profile control, flooding, water plugging, and other production increasing fields in oilfield development, and discloses a polymer microgel oil-displacing agent, a preparing method thereof and applications thereof. By adopting a water soluble hydroxy-containing monomer and/or a water soluble hydroxy-containing polymer as the main molecule and by adopting an acrylamide monomer as an auxiliary molecule, the polymer microgel oil-displacing agent is prepared by one-step in-situ crosslinking through an inverse emulsion polymerization method. The preparing process is simple. The prepared polymer microgel oil-displacing agent has characteristics of hydration swelling, elastic deformation, high-temperature resistance, and high-salt resistance, and can be used in an oilfield having a temperature of 20-160 DEG C.

A cell culture substrate is used comprising a photopolymerization initiator immobilized on a surface of the cell culture substrate, and a linear polymer immobilized on a part or the entirety of the surface via the photopolymerization initiator, and wherein the photopolymerization initiator is thioxanthone. Thereby, advantageously, a single type or multiple types of cells are efficiently cultured on specific regions of the culture substrate, and efficiently detached only by changing temperature on the surface of the substrate.

The present invention provides a printed circuit board processing method, which includes the following steps: S1, laser cutting: using laser to cut out a circuit needed on the copper foil which is pasted on the carrier; S2, preferential viscosity processing: carrying out preferential viscosity processing to the copper foil and the carrier; S3, preferential adsorption: carrying out preferential adsorption to the cut copper foil corresponding to the non-circuit part; S4, peeling: peeling the non-circuit part of copper foil off the carrier to obtain the copper foil corresponding to the circuit part attached to the carrier; S5, preparation of the printed circuit board, transferring the copper foil of the circuit part on the carrier to the baseboard to obtain the printed circuit board. It is possible to use laser cutting to cut the printed circuit board, avoid chemical milling in the manufacture process, and directly recycle the waste copper, is of great value of environmental protection while reducing the cost, and a new thought for preparing printed circuit board with copper foil is provided.

The invention provides a preparation method of a printed circuit board. The method includes the following steps of: S1, copper foil arrangement: copper foil is arranged on a carrier in a manner that the copper foil is aligned with the carrier, and the copper foil and the carrier are composited; S2, laser cutting: laser cutting is performed on the pattern of the circuit diagram of a circuit board;S3, selective peeling: an aluminum substrate is coated with photoresist, and a mask with a circuit diagram is arranged on the aluminum substrate, and the aluminum substrate is selectively exposed according to the pattern of the circuit diagram, so that the non-circuit portion of the circuit diagram loses viscosity; and S4, printed circuit board preparation: the copper foil arranged on the carrieris aligned with the aluminum substrate, so that the circuit diagrams of the copper foil and the aluminum substrate are completely overlapped with each other, and the copper foil of a circuit portion is completely bonded to the aluminum substrate, and the copper foil of a non-circuit portion is peeled off. According to the preparation method of the invention, the circuit board is inscribed by a laser cutting method, so that chemical etching can be avoided in a production process; and waste copper can be directly recycled, and therefore, a great environmental protection value can be realized with cost reduced. With the method adopted, a new idea is provided for the production of copper foil for circuit board.

The present invention discloses an enzymatic method for preparing glutathione (GSH), comprising the following steps: (1) producing glutathione in a reactor using GshF enzyme, ATP regeneration enzyme and AK enzyme; (2) separating immobilized GshF enzyme, ATP regeneration enzyme and AK enzyme in the reactor, or separating free GshF enzyme using a filtration device; (3) separating the filtrate obtained in step (2) to obtain a crude product GSH and a small amount of ATP, ADP and AMP; and (4) subjecting the GSH obtained in step (3) to concentration, crystallization, and drying to prepare a finished GSH. The disclosed method provides: greatly reduced industrial production costs; faster reaction rate; stable enzyme recovery system that is energy efficient and environmentally friendly; and capability of reusing the byproducts or collecting them for the production of ATP.

The invention relates to the field of biological energy sources, in particular to a one-pot liquefaction process of biomass. The process comprises the following steps: firstly, preparing slurry containing a catalyst, a vulcanizing agent and biomass, and then introducing hydrogen into the slurry for carrying out a reaction. The slurry is prepared by the steps of sequentially carrying out drying, primary crushing, compressing and secondary crushing on plant oil residue, and then mixing the product with the catalyst and the vulcanizing agent to obtain a mixture; adding the obtained mixture into an oil product, and grinding to prepare slurry, wherein the prepared slurry is biomass slurry with a plant oil residue concentration of 50-65wt%. According to the one-pot liquefaction process of the biomass, a treatment process of first compressing and then secondary crushing is carried out on the plant oil residue for the first time, so that the volume of the plant oil residue is greatly reduced,the plant oil residue is more easily dispersed in the oil product, the content of the plant oil residue in the oil product is increased, and the concentration of a reaction material is increased; theone-pot liquefaction process increases the biomass conveying capacity of a pump within unit time, and guarantees the smooth operation and transportation of the pump.

The invention discloses a synthetic decapeptide for promoting generation of fish yolk. The synthetic decapeptide is the decapeptide consisting of ten amino acids and is shown by a sequence identification number 2. The synthetic decapeptide refers to GnRH-II naturally secreted by a type of poultry. The invention discloses a preparation for promoting generation of fish yolk, wherein the preparation comprises the synthetic decapeptide. The invention discloses a method for promoting generation of fish yolk, wherein the method comprises the following steps of: implanting the preparation in a body wall or body cavity of teleostean; and promoting maturation of the teleostean yolk.

The invention provides an energy-saving stirring device of a concrete mixing carrier. The energy-saving stirring device comprises a pump, a three-position four-way reversing valve, a stirring motor, a stirring drum and an energy-saving subsystem, wherein the energy-saving subsystem comprises a first shuttle valve, a first two-position two-way pilot operated directional control valve, a second shuttle valve, a second two-position two-way pilot operated directional control valve, a power generation motor, a direct-current generator and a storage battery. By means of a logic loop formed by the two two-position two-way pilot operated directional control valves and the two shuttle valves, in the process that the stirring drum stops rotating, no matter whether the stirring drum rotates in the forward direction or the reverse direction, hydraulic oil used for power generation can only drive the power generation motor to rotate in the same direction, so that direct-current power generation is completed, energy recycling is achieved, the complexity of a regeneration loop is reduced, the operation cost is saved, and the integration level is high.

The invention provides a metallothionein (MT) extraction and separation process for a marine biological source efficient heavy metal removal agent. The process comprises the following steps: fish viscera subjected to homogenate are added into a buffer solution at the ratio, the pH of an extracting solution is adjusted to 7.0-9.0, the extraction temperature is controlled, and extraction is performed for 1-4 h while stirring; the extracting solution is heated for removing miscellaneous protein, the sediment is removed by centrifugation after cooling, the supernate is subjected to multi-stage ultrafiltration, microfiltration, treated by a nanofiltration multi-component membrane integrated purification system for removing macromolecules, and then subjected to separation and purification, and concentration, so that the MT crude product is obtained; the MT crude product is subjected to separation and purification through the combination of sephadex and ion-exchange column chromatography, and then drying is performed, so that high-purity marine biological source metallothionein product is obtained. The process provided by the invention has the advantages as follows: that the safety is influenced caused by reagent addition in the prior art is reduced, and the subsequent reagent removal process is eliminated; since cheap and rich fish viscera are used as resources for industrial production of MT, the extraction and separation steps are simplified, and a safer efficient marine biological source heavy metal removal agent product is obtained.

A method for modifying properties of graphene includes a graphene film provision step and a modification step. In the graphene film provision step, a graphene film is provided, and the graphene is formed on a substrate. In the modification step, the graphene film is placed in a vacuum environment and radiated by an electron beam to obtain a graphene material.

It is an LED positioning devices, which enable LED unplug the circuit board position rapidly and connect to the circuit connections. It may further provide LED based perspective changes interpolation so that LED can be used in richer modeling articles. The mentioned LED positioning device at least includes a number of light-emitting diodes and a circuit board. The circuit board fix with a number of LED pins corresponding number of terminals, the terminal with the corresponding jacks for the plug pins, the terminal and circuit boards were laid by the circuit conduction. So allow the mentioned LED pins inserted in the corresponding terminals, locate the LED on the circuit board position and complete the circuit links with the circuit board directly.

The invention provides environment-friendly starch glue for packaging paper and a preparation method thereof. The environment-friendly starch glue for packaging paper is mainly prepared from, by weight, 10 parts of corn starch, 100 parts of water, 0.5-2.5 parts of oxidant and 3-5 parts of sodium hydroxide. The corn starch is adopted as the main raw material, which is environmentally friendly; heating is not needed in the production process which can be carried out at the room temperature, and the starch glue can be prepared whenever needed; modifiers such as preservatives and moisture-proof agents are not needed, overall properties such as adhesiveness and stability are excellent, the starch glue is economical, low in cost and high in practicality, process conditions are mild, and industrialization is easy to realize.

Disclosed herein is a method for fabricating an ultra-fine nanowire by combining a trimming process and a mask blocking oxidation process. The ultra-thin nanowire is fabricated by a combination of performing a trimming process on a mask to reduce a width of the mask and blocking an oxidation through the mask. A diameter of the floated ultra-thin nanowire fabricated by the method is controlled to 20 nm below by a thickness of a deposited silicon oxide film, a width of the silicon oxide nanowire after trimming, and a time and a temperature for performing a wet oxidation process. Also, since a speed of the wet oxidation process is faster, the width of the nanowire obtained by a conventional photolithography is reduced faster. Moreover, when fabricating an ultra-thin nanowire by using the method, the cost is reduced and it is more feasible to be implemented.

The concrete taking the waste glass as the coarse aggregate obtained by the technical scheme can meet the index requirements on the concrete in the prior art, and by detecting the mechanical properties, chloride ion permeability resistance and scanning electron microscopes of the concrete according to different mixing amounts of glass, the test piece strength is 1.12 times of that of common concrete at most when the mixing amount is 63%; the chloride ion diffusion resistance is also enhanced, and the durability of the concrete is greatly improved. Besides, natural sand resources can be effectively saved through practical popularization of the technical scheme, the pressure of lacking of the natural sand can be greatly relieved by using the glass sand, construction waste is recycled, technical and economic policies related to resource saving and environment protection in China are implemented, and the glass sand is low-carbon and environment-friendly and has great significance and development prospects. In addition, the industrial cost can be further reduced, the cost of concrete per cubic meter is reduced, and huge economic benefits are brought to enterprises.

Backsheet for photovoltaic panels with conductive interface elements intended to simplify the electrical connection of the terminal points of the circuit to the back junction box. The conductive elements are of the non-through type through the backsheet, with double contacting face, and are integrated on the front side towards the cells within recessed seats and in correspondence of through-holes in such a way as to enable an electrical connection by contact from the back side through the holes, in a guided way, by means of respective conductive elements protruding and fastened to the junction box. In particular, such a simplified contacting solution can be realized with extreme precision, without manual operations and at extremely low costs, with an automated assembly method.