30results about How to "Convenient for" patented technology

The invention discloses an in-situ preparation method for a magnetic wood-based material. In the method, natural wood is used as a raw material and mixed with ferric salt, the magnetic wood-based material is prepared by two steps of a hydrothermal step and a high-temperature carbonization step, and active functional groups, such as hydroxyl groups and phenylpropylhydroxyl groups, in cellulose, hemicellulose and lignin in the wood reduce the ferric salt in situ under hydrothermal and high-temperature carbonization temperature to produce the magnetic wood-based material doped with zero-valent iron, ferric oxide and iron carbide. The prepared material has very good magnetism and catalytic activity, can be used for the fields of wastewater treatment, air purification and the like. The materialhas the advantages of low preparation cost and easy operation, is environmentally friendly without pollution, can effectively lower the toxicity of various pollutants in environment treatment and iswide in application range.

The invention relates to the technical field of rosemary stem and leaf separation, and discloses a rosemary stem and leaf separating device with alternated deep cutting-off and shallow cutting-off. The rosemary stem and leaf separating device comprises a machine body, a feeding plate is fixedly connected to the left side of the machine body, the included angle between the feeding plate and the horizontal direction is 45 degrees, an inlet which is positioned above the feeding plate is formed in the right side of the machine body, a servo motor is fixedly connected to the front side of the machine body, and an output end of the back of the servo motor is fixedly connected with a rotating shaft A through a flat key. According to the rosemary stem and leaf separating device, the problem that stems and leaves of the rosemary are connected together and cannot be separated so that a machine is easily blocked is solved, the rotating shaft A is enabled to rotate through the working of the servomotor, so that the rotating shaft A rotates to drive a rotating wheel A to work, an alternating rotation type separation mechanism is rotated, the rosemary on a transportation mechanism is separatedby the alternating rotation type separation mechanism, and meanwhile, through the alternated deep cutting-off and shallow cutting-off action, the stems and the leaves of the rosemary are easy to separate, the separation of the stems and the leaves can be facilitated so that the machine can be prevented from being easily blocked.

The invention relates to an optical transceiver (10) comprising a substrate (18) having a temperature control device (8, 3), a light source (1), a light conducting fiber (11), a detector (4), a lens (5) for collimation of the light from the light source (1), a coupling lens (15) for focusing the light beam into the light conducting fiber (11) and a beam splitter (6) that deflects one part of the collimated light beam into a wavelength stabilization unit (27) and another part of the collimated light beam into the coupling lens (15). According to the invention, a wavelength stabilization unit (27) registers and compensates for a light wavelength drift in the light source (1). The optical transceiver (10) according to the invention has a super luminescent diode as a light source (1) and can be integrated in a fiber optic gyro (100), for example.

The invention discloses a zinc stearate and a preparation method. The zinc stearate comprises, by weight, 8-10 parts of stearic acid, 1.2-2 parts of zinc oxide and 0.1-0.3 part of a catalyst, and is formed in a kneader by using a one-step method; the eighteen carbon content in the stearic acid is more than 42%, the zinc content, namely the degree of purity of zinc, of the calcium hydroxide is more than 96%, and hydrogen peroxide or ammonia water is selected to serve as the catalyst. The preparation method comprises the steps that a kneader which can be outsourced is selected and used, the components are added to the kneader according to proportion, temperature is controlled ranging from 110 DEG C to 120 DEG C, and the kneading time ranges from 1.6 h to 2.4 h. The calcium stearate and the preparation method have the advantages that the raw material sources are wide, the preparation process is simple, and the calcium stearate and the preparation method can be applied to the industries such as food, medicine and cosmetic conveniently and safely.

The invention relates to the technical field of stem-leaf separation of rosmarinus officinalis, and discloses a stem-leaf separating device and method for the rosmarinus officinalis. The separating device comprises a device body, wherein a feeding plate is fixedly connected with the left side of the device body, an included angle between the feeding plate and the horizontal direction is 45 degrees, an inlet located above the feeding plate is formed in the right side of the device body, a servo motor is fixedly connected with the front side of the device body, and a rotating shaft A is fixedlyconnected with the output end of the back surface of the servo motor through a flat key. The problems that stem and leaves of the rosmarinus officinalis are connected, cannot be separated and block the device easily are solved. By means of operation of the servo motor, a rotating shaft A is enabled to rotate, so as to drive a rotating wheel A to operate, therefore, an alternate rotary type separating mechanism rotates, the rosmarinus officinalis on a conveying mechanism is separated by the alternate rotary type separating mechanism, meanwhile, by means of two-time deep-shallow alternate cutting-off action, the stem and leaves of the rosmarinus officinalis are easy to separate, stem-leaf separation can be facilitated, and the device is not blocked easily.

Disclosed is an energy storage compensation type muscle-imitation traction tissue. The energy storage compensation type muscle-imitation traction tissue is a movement device, and according to the movement device, through a rotating power device formed by an existing encoder motor and torque directly acting on a target object by soft connecting, contracting like a muscle is generated. By using an existing rotating power device, rotating exercising can be converted into linear exercising of stimulating the muscles. According to the energy storage compensation type muscle-imitation traction tissue, a muscle contracting driving process is stimulated, the fact that the design of an existing robot is low in motor transmission force is overcome, and meanwhile, by using the lever principle, the design of muscle linear traction driving is achieved; the muscle design can be well applied to all kinds of the designs of simulation robots and simulation animals, and the energy storage compensation type muscle-imitation traction tissue can be conveniently used for designing and manufacturing the simulation robots.

Starting from 3-(3-halogenated-4-methoxyphenyl)-3-methylbutanoic acid obtained by the reaction of 2-halogenated anisole and 3-methyl crotonic acid, the halogen atom is converted into a hydroxyl group, The obtained 3-(3-hydroxy-4-methoxyphenyl)-3-methylbutyric acid is reacted to change the hydroxyl group into a formyl group, thereby producing 3-(3-hydroxy-4-methoxy phenyl)-3-methylbutyraldehyde. This aldehyde derivative, through the reductive alkylation reaction with aspartame, can easily and efficiently produce useful high-intensity sweetener N-[N-[3-(3-hydroxyl -4-methoxyphenyl)-3-methylbutyl]-L-α-aspartyl]-L-phenylalanine 1-methyl ester, therefore, as a sweetener for the manufacture of Intermediates are extremely desirable.

A method for determining age of slag analyzes out content of free calcium oxide in tested sample by utilizing fast determining method and obtains age of slag by checking relation chart of free calcium oxide in slag to storing period of slag in saturated steam at temperature of greater than 100 degree according to free calcium oxide content analyzed out from tested sample.

The invention relates to the technical field of separation of stems and leaves of rosemary, and discloses a device for separating stems and leaves of rosemary that alternately cuts twice in depth. The angle between the plate and the horizontal direction is degrees. The right side of the body is provided with an entrance above the feeding plate. The front of the body is fixedly connected to the servo motor, and the output end of the back of the servo motor is fixedly connected to the shaft A through a flat key. . The invention solves the problem that the stems and leaves of the rosemary are connected together and cannot be separated, and the machine is easily blocked. The servo motor works to make the shaft A rotate, so that the rotation of the shaft A drives the wheel A to work, so that the alternate rotary separation mechanism rotates, so that the rosemary on the transport mechanism is separated by the alternate rotary separation mechanism, and the depth is two times at the same time Alternate cutting action makes it easy to separate rosemary stems and leaves, and at the same time, it can facilitate the separation of stems and leaves without blocking the machine.

The invention relates to a rib heat exchanger, with lower cost. Wherein, it has a medium distributor, while it can be used in the heat exchange plate with small angle aperture; the first nearby edge of first angle aperture of first heat exchange plate via the first edge incline extends downwards to the second nearby edge; the second nearby edge extends rightwards to the central line, and via the incline transition section extends upwards to the be layered with the second angle aperture nearby edge; the first nearby edge of second angle aperture of second heat exchange plate via the first edge incline surface extends upwards to the second nearby edge; the second nearby edge extends left wards to the central line, and via the incline transition section extends downwards to be layered with the first angle aperture nearby edge; the first edge incline surfaces of said two heat exchange plates both have small holes, while they are alternatively layered.

The invention discloses a scrap steel preheating and continuous feeding system constructed based on a waste heat recovering channel of an electric-arc furnace and an application method of the system. The waste heat recovering channel of the electric-arc furnace is formed by connecting a flow guide tube, a transition tube, a heat exchange and material storing box and a preheating channel, wherein hot gas sequentially flows through the flow guide tube, the transition tube, the heat exchange and material storing tube and the preheating channel; a scrap steel storing box, a heat-resistant chain scraper conveyor and a hydraulically-controlled feeding trolley are mounted on a foundation of the waste heat recovering channel of the electric-arc furnace to form the scrap steel preheating and continuous feeding system; the scrap steel is conveyed from low to high through the chain scraper conveyor in the preheating channel and continuously fed into the heat exchange and material storing box to be stacked, and then the feeding trolley at the inner bottom part of the heat exchange and material storing box can continuously intermittently move to push the scrap steel by layers from the bottom into the electric-arc furnace to smelt; the scrap steel fed into the furnace is at the temperature exceeding 900 DEG C, and more than 120kW.H / T of electricity can be saved; the gas can be discharged from the preheating channel while being cooled to be 100-150 DEG C and then dedusted for later use, and thus the energy can be saved, and the consumption can be decreased; in addition, the continuous feeding system does not affect the automatic slag flowing and tapping works of the electric-arc furnace.

The invention relates to an electromagnetic shielding device for a mobile phone antenna, in particular to an electromagnetic shielding device for a mobile phone antenna made of negative magnetic permeability material. Its main feature is that a layer of negative magnetic permeability material is installed between the mobile phone antenna and the side of the mobile phone inner casing close to the human brain, and the negative magnetic permeability material is connected to the circuit board through rivets. The negative magnetic permeability material is composed of periodically arranged "spiral", "concave" or dendritic fractal resonant rings. The band gap effect of the negative magnetic permeability material is used to suppress the electromagnetic waves radiated to the direction of the human brain. The microwave power of the human brain is attenuated by more than 15dB. The invention is simple and easy to implement, keeps the parts of the mobile phone unchanged, and can be conveniently used for any built-in mobile phone antenna.

The invention discloses a method for achieving the data recycling of a no-cable storage-type seismograph, and the method comprises the steps: building a no-cable storage-type seismograph data recycling topological system based on a switcher, taking the no-cable storage-type seismograph connected to a port of the switcher as a collection station mode, enabling a main unit to create a recycling datafile table, transmitting the data file table to all collection station nodes through the switcher, enabling all collection station nodes to analyze the recycling data file table, and then carrying out the parallel retrieval of data files meeting the requirements, and finally enabling the collection station nodes to upload the data files in a parallel manner. In addition, the method employs the multi-thread technology and a breakpoint resume technology for improving the basic function of the data file transmission, thereby improving the recycling efficiency of the data files, and providing more convenient and efficient data recycling services.

The invention relates to a functional finishing method for real silk fabrics. The method comprises the following steps: A) sequentially adding arginine, alanine, citric acid powder and water into a container in parts by weight while uniformly stirring so as to obtain a solution A); B) preparing an ethylene glycol diglycidyl diethyl ether solution B); C) wrapping rhizoma coptidis, eucalyptus robusta and rhubarb by using a gauze, carrying out heat-preserved soaking, and filtering so as to obtain a solution C); D) putting a real silk fabric required to be subjected to functional finishing into the solution A) firstly, soaking and stirring the real silk fabric, taking out and then spin-drying the real silk fabric, putting the real silk fabric into the solution B) in a same proportion, soaking the real silk fabric, taking out and then spin-drying the real silk fabric, putting the real silk fabric into the solution C) in a same proportion, soaking the real silk fabric, taking out the real silk fabric, and then spin-drying, drying and finalizing the real silk fabric, so that the functional finishing on the real silk fabric is completed. The method disclosed by the invention has the advantages that 1) a preparation method is simple; 2) eucalyptus robusta, rhizoma coptidis, rhubarb and the like inhibit bacteria through different mechanisms; 3) the method can be conveniently used for medicinal supplementary materials.

The present invention discloses a method for measuring normal rigidity of a large contact interface by completely considering plastic influence. The method comprises the steps of adopting a contact system of two rough bodies as a measuring object and the complete equivalence of the system as a principle, using laser to mark three straight lines which fulfill the measuring requirement on the two rough bodies, and obtaining the normal rigidity of the contact interface by observing normal displacements of the three straight lines during a loading procedure. The method considers the influence of the contact interface shape degree on the normal contact rigidity on the basis of a prior method, and uses a simple and easy laser mark method to measure the normal rigidity of the large contact interface without being influenced by contact areas. Moreover, the method, which breaks using limits of the prior method, can be used not only in laboratories, but also in practical engineering conveniently.

The invention relates to sound boxes of sound equipment, and specifically relates to a two-end-type double-diaphragm resonance sound box. Two loudspeaker groups are respectively and symmetrically installed on end surfaces of left and right two ends of a box body. Two bass radiators are respectively installed on box walls of the box body between the two loudspeaker groups, and the two bass radiators are opposite to each other. The part, provided with any one bass radiator, of the box wall is concave towards the inner part of the box body so as to form an inner box wall, or the parts, provided with the two bass radiators, of the box wall are respectively concave towards the inner part of the box body so as to form inner box walls, and the parts between the inner box walls and the non-concave box walls are inner side box walls. Medium-high frequency sound waves of the loudspeakers are directly radiated to space from two ends of the box body, low frequency sound air flows drive the two passive bass radiators to vibrate symmetrically, the bass diaphragm area in increased by times, low frequency resonance is generated, and the resonance enables the amplitude of low frequency sound waves to zoom, so that a satisfactory bass effect can be obtained by small loudspeakers or the small sound box, and the size of the whole sound box is substantially reduced.

The key card detecting device includes several pairs of bolt assembly and cipher disc. Each bolt assembly has several bolt pins to respond to the insertion of the key card to reciprocate, and each bolt pin has matched part set in special position. Each cipher disc has several second cipher parts arranged in specific assembling mode, and may be rotated independently for selecting cipher combinations in different positions. When the first cipher part in the inserted key card coincides completely with the second cipher part of the cipher disc in the selected position, all the bolt pin matching parts will align to the second cipher part in the cipher disc and the key card detecting device can move integrally from the first position to the second position. Or else, the key card detecting device will be limited in motion. The present invention also relates to one door lock system with the key card detecting device, and has the advantages of easy altering of cipher, simple structure, convenient use, etc.

The invention discloses a laminating machine based on an automatic pressed film pushing mechanism. The laminating machine comprises a housing (1) and a control circuit (2), wherein a bearing plate (6) is fixed on the plane of an inlet of the housing (1) through a rotating shaft (5); a sunken part (7) is arranged at the bottom of the housing (1); the machine further comprises a Hall sensor (3) and a second rotating motor (4); the Hall sensor (3) is sequentially connected with the control circuit (2) and the second rotating motor; the output shaft of the rotating motor (4) is connected with the rotating shaft (5); the Hall sensor (3) detects a forward and reverse rotation signal input to a first rotating motor by the control circuit (2); the control circuit (2) obtains and then outputs a signal for driving the output shaft of the second rotating motor (4) to rotate according to the forward and reverse rotation signal, so that the rotating shaft (5) rotates to enable the bearing plate (6) to move upwards or downwards. According to the laminating machine, the rotating shaft rotates to drive the bearing plate to move upwards or downwards, so that a pressed film on the bearing plate can be automatically pushed to be fed into the machine and stored, the automation is realized.

The invention discloses a lipid droplet-specific fluorescent probe and a synthesis method thereof, and relates to the technical field of biomedicine. The synthetic method comprises the following steps: 4-chloro-7-nitrobenzo-2-oxa-1,3-oxadiazole (NBD-Cl) and phenylboronic acid and derivative compounds thereof are protected by an inert gas and under the action of a catalyst and a base , react in a solvent at 50-140°C for 1-72 hours, cool to room temperature, then add dichloromethane, filter, remove the solvent under reduced pressure, and separate and purify the product, wherein the phenylboronic acid compound consists of a benzene ring, R radicals and borate radicals , and the R radical and the borate radical are in the para-position of the benzene ring, and the R radical is four kinds of hydrogen atom, methyl group, methoxyl group or dimethylamino group. This kind of fluorescent probe provided by the present invention can adjust the structure of the fluorescent probe to realize the efficient control of the emitted light of the probe in the oil from blue light, green light to red light, and broaden the wavelength range of the emitted light to meet the needs of intracellular lipids. Broad application of droplet-specific fluorescence imaging.

The invention relates to an aluminum stearate and a preparation method thereof. The aluminum stearate is composed of the following components in parts by weight: 8-12 parts of stearic acid, 8-12 parts of aluminum trichloride and 0.2-0.4 part of catalyst. The aluminum stearate is prepared by a one-step preparation process in a kneader. The C18 content in the stearic acid is 40% or above, and the aluminum content (aluminum purity) in the aluminum trichloride is up to 95% or above. The catalyst adopts oxydol or ammonia water. The preparation method comprises the following steps: adopting a purchasable kneader, proportionally adding all the components into the kneader, and kneading for 1.6-2.4 hours while controlling the temperature at 80-100 DEG C. The aluminum stearate has the characteristics of wide raw material sources, simple preparation technique and the like, and can be conveniently and safely used in medical industry.

The invention provides a bend secondary flow net type or film type liquid purifier and relates to a purifier to solve the problems that existing liquid purifying equipment is likely to be blocked, a filter screen needs to be replaced frequently, and solid particles cannot be separated.The bend secondary flow net type or film type liquid purifier comprises inlet water pumps, a liquid purifying chamber, a static liquid discharging pump, a static liquid discharging pipe, a waste discharging pipe and a plurality of secondary flow net type or film type filter pipes.The inlet water pumps, the static liquid discharging pump and the waste discharging pipe are arranged on the outer side wall of the liquid purifying chamber.One end of the static liquid discharging pipe stretches to the bottom in the liquid purifying chamber, and the static liquid discharging pump is installed at the other end of the static liquid discharging pipe.The secondary flow net type or film type filter pipes are distributed in the liquid purifying chamber, each secondary flow net type or film type filter pipe is a corrugated bend, one end of each secondary flow net type or film type filter pipe is communicated with an outlet of the corresponding inlet water pump, and the other ends of all the secondary flow net type or film type filter pipes are communicated with the waste discharging pipe.The bend secondary flow net type or film type liquid purifier is used for purifying liquid.