715results about How to "Reduce the proportion" patented technology

The invention relates to a process for producing mouldings by injection moulding the steps in the process being a) melting and mixing of a (meth)acrylate copolymer composed of from 85 to 98% by weight of C1-C4-alkyl (meth)acrylates capable of free-radical polymerization and from 15 to 2% by weight of (meth)acrylate monomers having a quaternary ammonium group in the alkyl radical, with from 10 to 25% by weight of a plasticizer, and also from 10 to 50% by weight of a dryers [sic] and / or from 0.1 to 3% by weight of a release agent, and, where appropriate, with other conventional pharmaceutical additives or auxiliaries and / or with an active pharmaceutical ingredient, b) devolatilizing the mixture at temperatures of at least 120° C., thus reducing the content of the low-boiling constituents with a vapour pressure of at least 1.9 bar at 120° C. to not more than 0.5% by weight, and c) injecting the devolatilized mixture at a temperature of from 80 to 160° C. into the mould of an injection moulding system and removing the resultant moulding from the mould.

The invention provides a control method for increasing low-temperature heating heat of a varied-frequency air conditioner. After an outdoor electronic control chip of the air conditioner receives an instruction to start an indoor low-temperature heating mode, the method comprises the following steps: step 1: the outdoor electronic control chip responses outdoor ambient temperature and environmentrelative humidity so that the air conditioner can enters into a corresponding low-temperature heating running state; and step 2: after the air conditioner enters into a low-temperature heating running state, a compressor runs for a corresponding heating time according to a designated heating frequency, then the air conditioner enters into a defrosting operation and an outdoor heat exchanger of the air conditioner can be defrosted through reversing a four-way valve in the air conditioner, wherein before the defrosting operation in the step 2 and in the entire process of defrosting operation, the operation frequency and time of the compressor can be changed on condition that the compressor of the air conditioner keeps running all the time. The method provided by the invention can response the changes of ambient temperature and relative humidity and can effectively improve low-temperature heating heat of the varied-frequency air conditioner.

The invention discloses a blockchain structure for an intelligent mobile terminal, a generation method and a transaction verification method. The generation method comprises the following steps: firstof all, a genesis block generator generates a genesis block, and transmits the genesis block or a Hash value to a P2P network via a given rule, such that more than half of nodes in the whole networkhold the genesis block, and the other half of the nodes hold the Hash value of the block; the nodes perform consensus operation on the basis of this and achieve a new consensus; and through continuously performing cyclic consensus, the blockchain structure in which parts of the nodes store parts of blocks of the blockchain is finally obtained. The blockchain structure for the intelligent mobile terminal, the generation method and the transaction verification method have the characteristics that the storage space occupation is small and all consensus mechanisms are compatible.

The invention discloses a metal terminal rear cover and a terminal. The metal terminal rear cover comprises a bottom plate. At least one micro-seam belt is arranged on the bottom plate. A plurality of micro-seams are formed in each micro-seam belt. The micro-seam belts divide the bottom plate into at least two radiation parts. At least one of the radiation parts is used for being connected with a matched circuit and sending electromagnetic waves. The micro-seams are formed in the micro-seam belts, and therefore the proportion of nonmetal parts on the metal terminal rear cover is decreased; the radiation parts are connected with the matched circuit, and therefore electromagnetic waves are radiated; antenna radio frequency is achieved for the metal terminal rear cover, and therefore the antenna radio frequency efficiency is improved, the antenna radio frequency efficiency is improved when the overall appearance requirement of the terminal is ensured, and the effect of improving user experience is achieved.

The invention discloses silicate-based light-weight foam concrete and a preparation method thereof. The silicate-based light-weight foam concrete is prepared from silicate cement, an inorganic admixture, water, a foaming agent and an additive, wherein the mass ratio of the inorganic admixture to the silicate cement is 0.3 to 1.3; the water accounts for 35 to 65 percent by mass; and the foaming agent accounts for 3 to 10 percent by mass. The silicate-based light-weight foam concrete has the beneficial effects that the silicate cement is used as a cementing material; and compared with a sulfoaluminate-based material, the silicate-based light-weight foam concrete has the advantages that the carbonation resistance, the mechanical performance stability, the temperature tolerance and other properties are improved. By adjustment of the contents of all functional components (a thickening time control agent, a foam stabilizer, a water reducing agent, an anti-cracking component, an expanding agent and the like), the silicate-based light-weight foam concrete can conform to various preparation conditions of the silicate cement used as a base material.

The invention belongs to the field of a high molecular material, and particularly relates to photo-cured elastic photosensitive resin with wavelength being 405 nanometers for 3D printing of digital light processing (DLP). The elastic photosensitive resin comprises the following raw materials based on parts by weight: 10-50 parts of elastic acrylate, 30-70 parts of active diluents, 1-10 parts of photoinitiator, 0.01-0.05 part of flatting agent, 0.01-0.05 part of dispersning agent and 0.01-0.05 part of polymerization inhibitor. The elastic photosensitive resin can be directly used for 3D printing of DLP or can be mixed with other existing photosensitive resin, a product with a complicated structure and certain elasticity can be printed, meanwhile, the elastic photosensitive resin has the characteristics of small volatile odor, rapid formation speed, small product shrinkage rate, high formation accuracy and the like.

The embodiment of the invention discloses a light emitting device and a related projection system. The light emitting device comprises an excitation light source, a micro-structure layer, a reflection layer and a wavelength conversion layer. The excitation light source is used for generating exciting light. The micro-structure layer comprises a micro-structure array, each micro-structure is in a through hole shape, and the inner side faces of the micro-structures are reflection faces. The area of the upper opening of each micro-structure is larger than the area of the lower opening of the micro-structure. The upper openings of all the micro-structures are located on the same side of the micro-structure layer and face towards the exciting light. The reflection layer is located on the side, away from the exciting light, of the micro-structure layer and parallel to the micro-structure layer side by side or arranged on the lower openings of all the micro-structures. The wavelength conversion layer is located on the side, facing towards the exciting light, of the reflection layer, and comprises a first surface away from the reflection layer, the wavelength conversion layer is used for absorbing the exciting light from the excitation light source and emitting the excited light from the first surface, and the excited light is emitted after passing by all the micro-structures in the micro-structure layer. By means of the light-emitting device and the related projection system, the proportion of large-angle light in the emergent light of the light-emitting device can be lowered.

This invention provides a rumen-bypass dietary supplement in compacted particulate form. The supplement has the capability to transport fatty acid calcium salt and between about 65-96 percent of rumen-protected undegraded aminoacid content to the post-ruminal digestive system of a ruminant. A feedstock containing the supplement for ruminants benefically improves feed efficiency and body growth. The feedstock also is adapted to improve the lactational performance of dairy cattle.

The invention discloses a pixel arrangement optimization method and device, a light-transmitting display panel and a display panel. The method comprises the following steps: constructing an initial pixel arrangement structure model, wherein the first electrode of each sub-pixel in the initial pixel arrangement structure model has an initial pattern parameter and an initial position parameter; adjusting at least one of the initial pattern parameters and the initial position parameters of at least part of the first electrodes in the initial pixel arrangement structure model to obtain an optimized pixel arrangement structure model, and enabling the ratio of the zero-order diffraction light spot energy of the optimized pixel arrangement structure model to the light transmission energy of the optimized pixel arrangement structure model to be greater than or equal to 85%. According to the pixel arrangement optimization method and device and the display panel provided by the embodiment of theinvention, the diffraction phenomenon of the display panel can be displayed.

The invention discloses a helium-rich tail gas recovering and purifying online circulating system for optical fiber production. The system comprises a helium recovery unit, an initial membrane separating unit, a low-temperature purifying unit and a gas supply unit, wherein the recovery unit comprises a gas collecting tank, a pressurizing pump, a flowmeter and the like; the initial membrane separating unit comprises a precise filter, a membrane separator, a buffer tank and a purity detector; the low-temperature purifying unit comprises a pressurizing pump, a low-temperature purifier and a purity detector; the gas supply unit comprises a pressure adjusting valve and a pressure stabilizing tank; the low-temperature purifier consists of a refrigerator, a liquid collecting tank and a freezer. By adopting a mode of combining a single level membrane separation technology and a low-temperature purifying technology, online recovery and purification of helium-rich tail gas of an optical fiber cooling tube are realized. The purity of purified helium can reach over 99%, and purified helium can be secondarily fed to the user side for use, so that helium is recycled.

Provided are a gas-barrier film which is a laminate comprising a substrate layer comprising a thermoplastic resin film and a gas-barrier layer comprising a hydrolysate of a silicon alkoxide, a stratified silicate and a polyvinyl alcohol base resin, wherein a radius (Rg) of gyration of a scattering matter which is measured by light scattering in the gas-barrier layer described above is 2.4 μm or less, and the silicon alkoxide and / or the hydrolysate thereof are present between the layers of the stratified silicate present in the above gas-barrier layer. The above film shows an excellent gas-barrier property even under such a high humidity as exceeding 90% RH.

The invention belongs to an integrated microtrip ferrite circulator in solid electronic devices, comprising a dielectric or a semiconductor substrate, a high-conductivity metal block or an earthing membrane, a ferrite membrane, a high-conductivity centre junction, a matching section of the high-conductivity centre junction and a high-conductivity earthing membrane, wherein, the dielectric is provided with a groove at the bottom; the high-conductivity metal block is arranged in the groove; the ferrite membrane is adhered above the substrate; the high-conductivity centre junction tightly clingsto the ferrite membrane; the high-conductivity earthing membrane is positioned on the bottom surface of the substrate. The circulator is additionally provided with a groove at the bottom surface of the substrate, a metal block is arranged in the groove, wherein, the volume of the metal block is the same as that of the groove, or an earthing membrane is covered on the internal surface of the groove, so that the effective permeability tensor k / mu is greatly improved, while the impedance is greatly reduced; on the premise of the same performance and compared with the background technology, the volume and thickness of the circulator can be effectively reduced; on the premise that the performance and the reliability of the ferrite circulator are ensured, the volume and thickness of the circulator can be effectively reduced; miniaturization, planarity and the convenient integration of microwave circuits are realized, thus the development of monolithic microwave integrated circuit is promoted.

The invention discloses a metal back-shell based terminal antenna and the terminal. The antenna comprises a metal back-shell, one end of which is provided with a silt. The silt divides the metal back-shell into a bottom part metal frame and a back part metal plate wherein the bottom part metal frame serves as an antenna radiation unit and the back part metal plate serves as a ground. The antenna also comprises a grounding unit, a feed coupling plate and feeding points wherein the ground unit is in connection to the back part metal plate and the feed coupling network feeds in the antenna radiation unit through the feeding points.

The invention discloses a small-molecular alcohol oxidation electro-catalysis material and a preparation method and an application therefor. The small-molecular alcohol oxidation electro-catalysis material is a noble metal-metal hydroxide-carbon material ternary composite system and prepared by two steps; firstly, a carbon material and a metal salt solution are used as the raw materials to be subjected to a first time of reaction to grow metal hydroxide particles on the surface of the carbon material; then, the noble metal salt is taken as the raw material to be subjected to a second time of reaction to grow noble metal particles on the surface of the carbon material loaded with the metal hydroxide particles to obtain the noble metal-metal hydroxide-carbon material ternary composite system. When the small-molecular alcohol oxidation electro-catalysis material is used as the positive electrode catalyst of a direct alcohol fuel cell, efficient and stable alcohol electro-catalysis oxidation is realized, and an outstanding anti-CO-poisoning capability is achieved as well; and in addition, the small-molecular alcohol oxidation electro-catalysis material is lower in cost compared with the commercialized Pt-Ru alloy catalyst.

The invention discloses a geopolymer composite grouting material, and a preparation method and a use method thereof. The preparation method comprises the following steps: uniformly mixing cement clinker, metakaolin, silica fume, blast furnace slag, fly ash, metal mine tailing, quicklime, a water reducer and dispersible latex powder according to a certain ratio, and grinding to prepare fine powder until the sieving residue ratio of a square hole sieve with the fineness of 45[mu]m is not greater than 30%. Solid wastes comprising the blast furnace slag, the fly ash and the metal mine tailings are adopted in the invention, so the cost of the material is reduced, the fluidity of the material is improved, and the compressive strength of the geopolymer composite grouting material is also improved without increasing the cost.

There is provided a method for manufacturing a three-dimensional shaped object. The method of the present invention comprises the repeated steps of: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer on a base plate with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification thereof; and (ii) forming another solidified layer by newly forming a powder layer on the resulting solidified layer, followed by the irradiation of a predetermined portion of the powder layer with the light beam; wherein the solidified layers are formed such that they have a high-density portion whose solidified density is 95 to 100% and a low-density portion whose solidified density is 0 to 95% (excluding 95%); and wherein the high-density portion is a portion of the three-dimensional shaped object, to which the force is applied when the three-dimensional shaped object is used.

The invention is applicable to the technical field of electronic equipment, and discloses electronic equipment. The electronic equipment comprises a body, a display module and a transparent panel; both the display module and the transparent panel are connected to the body; the display module comprises a display area and a non-display area arranged on the side of the display area; the transparent panel covers the display area and the non-display area; a slot part is arranged on the part, corresponding to the upward side of the non-display area, of the front face of the transparent panel; a light guiding structure for refracting the light emitted from the display area out of the transparent panel from the transparent panel is arranged on one side of the slot part. By utilizing the slot part of the transparent panel of the electronic equipment, the entire light guide structure (arc surface) is moved inwards, the thickness of the transparent panel is reduced while the black margin is reduced optically, the duty ratio of the light emitting area of the transparent panel is improved, and meanwhile, the thickness of the transparent panel is reduced.

The invention provides a negative plate and a lithium ion battery comprising the same. According to the invention, the active substance and the surface density of the negative plate are specifically designed according to the potential and polarization distribution of the negative plate, so the design of the battery can meet the rapid charging requirement to the greatest extent, the waste of energydensity can be reduced, and both rapid charging and high energy density are realized. In a simple way, a double-layer coating technology is utilized to control the proportion of the two active material layers in the length range of the negative electrode current collector in the length direction, i.e., the proportion of the first negative electrode active material layer with large polarization and low potential is large, and the proportion of the second negative electrode active material layer with small polarization and high potential is small. The energy density of the negative plate is improved compared with the energy density of a conventional negative plate, so both quick charging and high energy density can be realized.

The invention discloses a dehumidification drying unit adopting an air inlet precooling and efficient dehumidification combined module and a drying device. At least two sets of heat pump units are included, each heat pump unit includes a compressor, a condenser, a throttling device and an internal dehumidification evaporator which are sequentially connected to form a closed system for refrigerantcirculation, and further includes a cross-flow heat exchanger, each cross-flow heat exchanger is provided with a first heat exchange channel and a second heat exchange channel which are arranged alternately, and air outlets of the first heat exchange channels and air inlets of the second heat exchange channels communicate through circulation channels; the internal dehumidification evaporators of the sets of the heat pump units are sequentially arranged in the circulation channels and located at the air outlets of the first heat exchange channels, and air outlets of the second heat exchange channels are provided with first fans; the condensers of the sets of the heat pump units are sequentially arranged at air outlets of the first fans; and drying airflow is cycled in a closed mode, and part of wet air from the drying device flows through the first heat exchange channels, the multiple internal dehumidification evaporators, the circulation channels, the second heat exchange channels, andthe first fans sequentially, is then mixed with the other part of wet air of the drying device, and passes through the multiple condensers to obtain dry air.

The invention belongs to the technical field of agricultural fertilizers and particularly relates to a special ecological fertilizer for a tea garden and a preparation method of the special ecological fertilizer. One of purposes of the invention is to provide the special ecological fertilizer. The special ecological fertilizer is prepared from urea, plant ash, potassium humate, ground phosphate rock, biomass charcoal, rape seed cake meal, livestock and poultry manure, a biological bacteria preparation, mushroom dreg and dry branches and fallen leaves of tea trees and has the advantages that the raw materials are easily available, the fertilizer is environment-friendly and energy-saving and contains balanced nutrients, the fertilizing amount can be substantially reduced, and the quality and yield of tea leaves can be improved. Another purpose of the invention is to provide the preparation method of the special ecological fertilizer for the tea garden. According to the preparation method, the special ecological fertilizer for the tea garden can be prepared by virtue of the most simple and convenient flow. The preparation method comprises the steps of preparing a primary material by virtue of an aerobic-underground high-temperature composting fermentation manner, and uniformly mixing the primary material with the urea, the ground phosphate rock and the biomass charcoal, so as to obtain the special ecological fertilizer for the tea garden.

The invention discloses a non-Newtonian fluid thickening polishing method based on a magnetic field assist. The method comprises the following steps: S1: adding non-Newtonian fluid polishing liquid with magnetorheological properties into a polishing liquid tank, and immersing a polishing workpiece in the non-Newtonian fluid polishing liquid through a holding device with a driving system, and turning on a magnetic field generating device; S2: under the action of the driving system, driving the polishing workpiece to rotate by the holding device, enabling the polishing workpiece and the non-Newtonian fluid polishing liquid to move relative to each other, and cutting the surface of the polished workpiece by abrasive grains in the non-Newtonian fluid polishing liquid, thereby completing the polishing process. The invention further correspondingly provides a non-Newtonian fluid thickening polishing system based on the magnetic field assist. The non-Newtonian fluid thickening polishing method provided by the invention is low in consumables cost, high in polishing efficiency and good in polishing effect, and can realize ultra-precision polishing of the polished workpiece.

The invention discloses water-based conductive paste for coating a surface of a modified lithium battery current collector. The water-based conductive paste comprises the following constituents based on percent by weight: 0.1-20% of conductive material, 0.5-15% of dispersing agent, 0.2-4% of cellulose, 0.1-1% of wetting agent, 2-20% of binding agent and 0.5-10% of physical microsphere foaming agent with the balance being deionized water. The invention also discloses a preparation method and application method of the water-based conductive paste. By the water-based conductive paste, thermal runaway can be effectively prevented, the battery safety is improved, the adhesion between a positive electrode material and an aluminum foil and the adhesive between a negative electrode material and a copper foil are improved, the duty ratio of the binding agent of a positive electrode or a negative electrode is reduced, so that the energy density of a battery is improved, the duration is improved, meanwhile, the internal resistance of the battery is substantially reduced, the dynamic internal resistance consistency of the battery is improved, the lifetime of a battery pack is prolonged, the conductivity between the positive electrode material and the aluminum foil and the conductivity between the negative electrode material and the copper foil are improved, and the rapid charge-discharge capability is improved.

The invention relates to the technical field of mining, in particular to a double-layered and bidirectional horizontal stripping open-stope backfilling mining method. The double-layered and bidirectional horizontal stripping open-stope backfilling mining method comprises the following steps: S7, separately forming two lower slice slicing stope openings in two sides of the tail of a vein connectionroadway, separately arranging lower slice stope connection roadways towards an lower slice stope of a stope in step one and an lower slice stope of a stope in step two from every lower slice stope; S8, continuing tunneling and arranging upper and lower slice connection roadways in the extension direction of the vein connection roadway from the tail of the vein connection roadway, and enabling thetails of the higher and lower slice connection roadways to be positioned between the two higher slice stopes of an adjacent horizontal stope below a horizontal stope in step S6; and S9, separately forming two upper slice stope openings in the two sides of the openings of the upper and lower slice connection roadways, separately arranging upper slice stope connection roadways towards an upper slice stope of the stope in step one and an upper slice stope of the stope in step two from every upper slice stope opening, and enabling the opening of each upper slice stope connection roadway to be positioned in the center of the corresponding upper slice stope.

The invention discloses a high-safety double-doped high-nickel ternary positive electrode material, a preparation method thereof and a lithium ion battery. The high-nickel ternary positive electrode material comprises a polycrystalline nickel cobalt lithium manganate matrix, wherein the molar content of Ni element in the polycrystalline nickel cobalt lithium manganate matrix accounts for more than80% of the total molar weight of Ni, Co and Mn, and Zr and Sr elements are doped in the polycrystalline nickel cobalt lithium manganate ternary positive electrode matrix. Compared with the prior art,the high-nickel ternary positive electrode material has the advantage that the thermal stability of the high-nickel ternary positive electrode material is remarkably improved on the premise of not reducing the proportion of the Ni element in the high-nickel ternary positive electrode material, namely, not reducing the specific capacity of the high-nickel ternary positive electrode material. Meanwhile, the price of the nickel element is far lower than that of the cobalt element, so that the nickel element accounts for a high proportion, transition metals such as cobalt account for a low proportion, and the advantage of reducing the cost of raw materials is considered.

The invention discloses an online purifying system of waste helium generated in optical fiber manufacturing. The online purifying system comprises a recovering unit, a membrane separating unit, and a gas supplying unit, wherein the recovering unit comprises a gas collecting tank, and a booster pump; the membrane separating unit comprises an adsorber, a membrane separator, a buffer tank, and a purity analyzer; the gas supplying unit comprises a pressure stabilizing tank and a pressure adjusting valve. According to the online purifying system, by adopting a mode of combining a high-pressure adsorption technology and a membrane separation technology, purification of helium-rich tail gas is realized, and purified tail gas is supplied to an optical fiber wiredrawing cooling tower and a preformed rod manufacturing process for being used. According to the online purifying system, low-concentration waste helium with a purity of lower than 50 percent is recovered and purified, the purity of the waste helium after being purified is not less than 99 percent, and the recovering rate is not less than 70 percent. The online purifying system mainly consumes electricity; the electric power is 15-20 kW and is very small in consumption as compared with saved helium cost.

The invention discloses a water-based conducting sizing agent for coating on the surface of the current collector of a high-safety lithium battery. The water-based conducing sizing agent is prepared from the following components in percentages by weight: 0.5% to 15% of a conducting material, 0.5% to 10% of a dispersing agent, 0.2% to 2% of cellulose, 0.1% to 1% of a wetting agent, 2% to 20% of an adhesive, 0.5% to 10% of a polyolefin microballoon emulsion and the balance of deionized water. The invention also discloses a preparation method of the water-based conducting sizing agent and a method for using the water-based conducting sizing agent on the current collector of the high-safety lithium battery. According to the water-based conducting sizing agent disclosed by the invention, thermal runaway can be effectively prevented, so that the safety of the battery is improved; the adhesive force between a positive material and an aluminum foil and the adhesive force between a negative material and a copper foil are improved, and the proportion of the positive adhesive or the negative adhesive is reduced, so that the energy density of the battery is improved, and the endurance mileage is increased; simultaneously, the internal resistance of the battery is greatly reduced, dynamic internal resistance consistency of the battery is improved, and the service life of the battery pack is prolonged; the electrical conductivity of the positive material and the aluminum foil and the electrical conductivity of the negative material and the copper foil are strengthened, and the charging capacity and discharging capacity are quickly improved.

The invention discloses a display panel and a display device. Multiple welding discs are included, the welding discs comprise first secondary parts and second secondary parts which are electrically connected, the first secondary parts have first length, the second secondary parts have second length, the second length is greater than the first length, the edges, close to a fastening area, of the display panel is first edges, the ends, close to the first edges, of the first secondary parts are first end parts, the distance from the first end parts to the first edges is first range, the ends, close to the first edges, of the second secondary parts are second end parts, the distance from the second end parts to the first edges is second range, and the second range is smaller than the first range. By lengthening the second secondary parts of the welding discs to increase the fastening area, the fastening effect is better, the signal transmission accuracy and stability of the fastening areaare improved, better compatibility is achieved when the electronic assembly is fastened, and the influence on the fastening of an electronic assembly caused by expansion caused by heat and contractioncaused by cold is reduced.

The invention discloses an environment controllable type atomic force microscope-based numerical control rotary type probe switching device. The environment controllable type atomic force microscope-based numerical control rotary type probe switching device comprises a cavity upper cover and a probe switching structure. An irregular rectangular boss, an inner groove, a rectangular light window structure and a sealing flange structure are arranged on the cavity upper cover. The environment controllable type atomic force microscope-based numerical control rotary type probe switching device has the following prominent advantages: 1) due to the design of the irregular rectangular boss, the inner groove, the rectangular light window structure and the sealing flange structure, the internal working space of the cavity is obviously increased and the space utilization rate is effectively increased; 2) due to asymmetrical cooperative design of the inner groove, an L-shaped transitional plate connecting structure, a probe bracket and a probe carrying block, the laser vertical focusing height and the focusing position are effectively guaranteed; and 3) efficient and accurate switching of 8 probes with different functions is realized through program control and in different working environments of vacuum, atmosphere, liquid and the like, so that the functions of surface shape scanning, Raman spectrum analysis, microscopic friction wear and friction coefficient measurement are realized in situ in the same working environment.

The invention relates to low-oxygen-content titanium or titanium alloy spherical powder and a preparing method and application thereof, and belongs to the field of powder preparing. Titanium or titanium alloy powder is subjected to balling through radio frequency plasma, more fine particles are deposited on the surfaces of titanium or titanium alloy particles in the balling process due to the plasmas high-temperature acting environment, the particles are prone to being combined with a trace of oxygen in the environment, consequently, the oxygen content of the titanium or titanium alloy spherical powder becomes large, and subsequent application of the balled powder is influenced. To solve the problem, a certain amount of titanium or titanium alloy spherical powder is placed in a mixed solution of hydrofluoric acid and nitric acid with the molar ratio being (0.1-10):1 or a boiled oxalic acid water solution with the mass percent being 1%-20%, 10-400 W of ultrasonic vibration is conductedfor assistance, after the reaction is conducted for a certain time, powder is centrifugally filtered out, cleaning is conducted through pure water, and finally, drying is conducted. The oxygen contentof the obtained powder is greatly reduced, the particle surfaces are smoother, the flowing property is improved, and meanwhile original components and the original component content of the sphericalpowder are kept unchangeable. According to the above beneficial effects, the titanium or titanium alloy spherical powder can be better applied to the fields of powder injection forming, 3D printing and the like.

This invention provides a rumen-bypass dietary supplement in compacted particulate form. The supplement has the capability to transport fatty acid calcium salt and between about 65-96 percent of rumen-protected undegraded aminoacid content to the post-ruminal digestive system of a ruminant. A feedstock containing the supplement for ruminants benefically improves feed efficiency and body growth. The feedstock also is adapted to improve the lactational performance of dairy cattle.