3457results about How to "Easy to wrap" patented technology

The invention discloses pervious concrete and a construction method thereof. The pervious concrete comprises the following raw materials in percentage by weight: 13.1-15.9% of cement, 12.7-15.6% of river sand, 59.6-66.0% of stones, 3.7-3.9% of water and 4.5-5.0% of admixtures, wherein the admixtures comprise the following raw materials in percentage by weight: 45-50% of ultrafine mineral powder, 15-20% of heavy calcium carbonate, 15-20% of gypsum powder, 3-5% of polypropylene fiber, 5-10% of a polycarboxylate water reducing agent, 4.2-8.4% of adhesive powder and 2-5% of a pigment. The pervious concrete provided by the invention has relatively high water permeability, strength and durability; after the pervious concrete is applied to a practical engineering, the pervious concrete can greatly improve the problem of poor drainage of a hardened road surface, so that the development of the pervious concrete can be promoted.

A lighting device comprising a sealed transparent flexible outer tube having a handle at a first end. The handle includes a power source. Inside the tube is a flexible wire extending from and attached to the handle. The wire extending the length of the outer tube. Also inside the tube are multiple small lengths of inflexible interior tubing running at least a partial length of the flexible outer tube. Each interior tubing having at least one light emitting diode and at least one resistor inside. The resistors and diodes are connected electronically to a circuit board and the power source.

The present invention provides a heat insulator that is extremely low in environmental load during production and recycling, is superior in handleability and workability, and shows favorable heat-insulating properties over an extended period of time. The present invention relates to vacuum heat insulator, comprising at least a core member and an external packaging member that stores the core member and can keep inside under reduced pressure, wherein the core member is a sheet-shaped fiber aggregate containing a polyester fiber having fiber size of 1 to 6 deniers in an amount of 50 wt % or more.

The invention relates to a water-based wood white primer as well as a preparation method and a use method thereof. The water-based wood white primer provided by the invention comprises the following components by weight: 15-35wt% of water-based resin, 0.2-0.6wt% of a defoaming agent, 0.5-1.5wt% of a wetting dispersant, 5-15wt% of titanium dioxide, 5-20wt% of talcum powder, 15-40wt% of coarse whiting, 0.2-0.8wt% of a thickening agent, 2-7wt% of a film-forming auxiliary agent, 0.1-0.4wt% of a substrate wetting agent, 0.1-0.4wt% of biocide mildewcide and 2-10wt% of water. The water-based wood white primer provided by the invention can be used together with solvent-based finishing paint, does not generate adverse film-painting defects, such as lifting, collapse and foaming adhesion, and has very low volatile content of VOC (Volatile Organic Compounds) and high value of environmental protection.

The invention discloses a method for preparing metal reinforced uranium dioxide nuclear fuel pellets. The method mainly comprises two steps: firstly, preparing core-shell structure granules, namely performing low-temperature rapid pre-sintering on UO2 powder by using a Spark Plasma Sintering SPS technique, pelletizing, balling to obtain UO2 pellets, performing physical mixing on the UO2 pellets with metal (one of Mo, Cr, W and the like) micro powder to coat surfaces of the UO2 pellets by the metal micro powder, thereby obtaining metal coated uranium dioxide core-shell structure granules; secondly, preparing a nuclear fuel pellets, namely performing high-temperature liquidation on the metal powder on the surfaces of the UO2 pellets, thereby forming a micro cell structure continuous phase similar to a cytomembrane structure around the UO2 pellets, and obtaining the special metal reinforced UO2 nuclear fuel pellets with a UO2 substrate.

The present invention includes a cylindrical container closed at one end and opened at the other. The container is wrapped with Velcro material, or a foam material, to which leader and fly rigs can be easily wrapped and kept in place. A lid is provided to cover the open top of the container, the lid is hingedly attached to the container to prevent inadvertent loss of the lid. The lid is also provided with cross slits so that small items can be pushed through the slits for storage within the closed container. Further, a clip is fixed to the container so that the receptacle can be easily attached to a fly fisherman's vest.

A sling (10, 10', FIGS. 1-3) for lifting a heavy work piece (e.g. a pipe section; FIGS. 5, 6), including a single strap made of flexible, in-elastic fabric material over-lappingly converging upon itself to form a top strap member and a bottom strap member to form a two-ply strap member; a first, integral, eye-loop end; a second, integral eye-loop end; at least one, intermediately spaced, bi-directional loop (50, 150a-d) coupled to the two-ply strap member between the first and second, eye-loop ends. Each bi-directional loop serves to distribute suspension stresses in two directions, longitudinally, along the lifting sling when used to complete the closed lifting loop and distribute pulling forces in either of two directions, longitudinally, along the sling when pulled in any or either longitudinal direction. Additionally, since crane time is very expensive to operate, a sling system which can accommodate the lifting of a plurality of heavy pipes or other heavy objects simultaneously is provided (FIGS. 8-7).

The invention relates to high-temperature abradable seal coating with single-layer or multi-layer structure, wherein the high-temperature abradable seal coating with single-layer structure is providedwith a bonding bottom layer sprayed on a base body, and an oxygen barrier layer and a seal surface layer are sequentially sprayed on the bonding bottom layer; on the basis of the high-temperature abradable seal coating with single-layer structure, at least another seal surface layer is needed to be sprayed on the seal surface layer to form the high-temperature abradable seal coating with multi-layer structure; the bonding bottom layer is made of NiCrAlY or NiCoCrAlY alloy powder, the oxygen barrier layer is made of composite agglomerated powder of nano yttria, partially stable zirconia and nano Alpha-Al2O3, and the seal surface layer is made of nano Y-PSZ based high-temperature seal coating materials. The high-temperature abradable seal coating has better high temperature stability, thermal shock resistance and abradability during the use.

The invention discloses a conductive hydrogel composite material which is sensitive to humidity level fluctuation, a device and a preparation method, which relates to a smart material and a device and a preparation method, wherein, the conductive hydrogel composite material and the preparation method thereof comprises four steps of dispersion of conductive filling materials, in situ polymerization, casting to be shaped and electrode trimming; the conductive hydrogel composite material and the device comprise a hydrogel which is sensitive to humidity level fluctuation, the conductive filling materials and an additive. In the process of responding to the environmental moisture change, the obtained conductive hydrogel composite material and the device can make a sensitive response to the external moisture change. The conductive hydrogel composite material and the device can obtain practical applications in the fields of biomedicine, fluid control, diffusion and permeation, intelligent machinery and the like.

The invention relates to metakaolin-based polymer foam concrete and a preparation method thereof. Metakaolin, coal ash and a coagulation accelerating agent are added into a mixing machine in proportion to be mixed to be uniform, an alkali excitant and water are added in proportion, and mixing is carried out to prepare slurry; while the slurry is prepared, a foaming agent is diluted with water in proportion of 1: 15, a high-speed mixing machine or a vacuum foaming machine is adopted for preparing fine and stable foam; and according to density design requirement, the prepared foam is blended into the uniformly mixed slurry in volume ratio to be mixed and foamed, wherein the volume ratio of the foam to the slurry is (1-4):1, and mixing is carried out for 2.5-3min until the foam is uniformly dispersed in the slurry, thus freshly blended metakaolin-based polymer foam concrete is prepared. Compared with the traditional cement-based foam concrete taking silicate cement as a main cementing material, the metakaolin-based polymer foam concrete has the characteristics of environmental friendliness, higher strength, low thermal conductivity, good heat insulating property and the like, and can be used for producing various foam concrete products.

Disclosed is any implanted medical device (an IMD) that has either a primary or a rechargeable battery that has a case that forms part of the case of the implant. Furthermore, the case of the battery is typically welded to a second metal can that would generally enclose the electronic components of the implant. This construction provides the thinnest case so as to be surgically placed under the skin of the chest with the least bulging. Also disclosed is the concept of coating the IMD and any electrical lead that comes out of the IMD with an antibiotic and/or anti-inflammatory coating so as to minimize any post-implant infection or inflammation.

The invention relates to a carbon coated lithium iron phosphate microwave-synthesizing method, relating to the preparation of anode material of a Li-ion battery. The invention weighs lithium carbonate, iron oxalate and ammonium diacid phosphate, proper amount of heat conduction agent and organic matter in chemical gauging ratio, using anhydrous alcohol as dispersant to fully grind and mix them, drying and pressing the mixture into blocks, placing the blocks in a pot holding activated carbon, and placing the pot in microwave field for irradiative heating so as to be able to make uniform- phase carbon coated lithium iron phosphate. The invention can realize carbon coating of lithium iron phosphate and more rapidly and uniformly heat the raw materials, beneficial to uniform and rapid reaction of massive raw materials. The method can shorten production cycle and reduce energy consumption.

The invention relates to a novel passive targeting nano emulsion with skin whitening effect and a preparation method thereof. The invention uses a novel passive targeting transdermal delivery dosing system TDDS-nano emulsion as a carrier of a function component for whitening or lighting the skin, uses different physical and chemical properties, action mechanism and actual effect of each skin whitening function component, especially the action advantages of certain novel skin whitening function components, and provides skin whitening effect nano emulsion systems with two joint applications in morning and evening matched with each other. The two joint applied nano emulsion systems not only have minimum spherical grains, extremely even distribution of nano-scale grains, remarkable passive targeting function, good transdermal absorption and strong penetrability, but also have extremely even, exquisite, smooth and glossy texture of the nano emulsion, is quite comfortable after coating on the face or the skin, has no stimulus and good stability; and the nano is light yellow, beautiful in appearance, bright and transparent, clear and crystalline, has light opalescence, and is adhesive but not sticky, thick but not heavy, oily but not greasy.

The invention relates to an amphoteric ionic polymer clay stabilizer and a preparation method thereof. The polymer has water solubility, is low in use level and shows excellent temperature resistance and shear resistance. According to the technical scheme, the amphoteric ionic polymer clay stabilizer is prepared from the following raw materials and monomers in percentage by mass: 53.5-59.9 percent of acrylamide AM; 40-45 percent of sodium acrylate NaAA (obtained from neutralization of crylic acid and sodium hydroxide), 0.1-1.5 percent of N-allyl oleamide NAO and 0.1-1.5 percent of dimethyl diallyl ammonium chloride DMDAAC. The preparation method comprises the following steps: firstly adding NAO in a reactor, then adding an emulsifier and water; after complete emulsification, adding AM, NaAA, DMDAAC to prepare a solution with the total mass percentage concentration of monomer being 10-25 percent, adjusting pH to be 6-8, and introducing N2 for 20 min; then adding an initiator, continuing to introduce N2 for 20 min, and reacting for 8-12 h at 30-70 DEG C; washing with absolute ethyl alcohol, grinding and drying to obtain AM/NaAA/DMDAAC/NAO quadripolymer. The result of an anti-swelling test of 0.2wt% solution shows that the anti-swelling rate can reach 86 percent.

The invention belongs to the technical field of organic and inorganic composite materials, in particular to a preparation method of organic and inorganic composite fibrous materials with supercritical carbon dioxide. The method includes pre-treatment and activation treatment of cellulose, doping of inorganic sol to the cellulose, etc. The invention makes use of the strong permeability of the carbon dioxide under supercritical conditions, can activate the cellulose with cosolvent, or lead nano particles in the inorganic sol to be absorbed and settled on the surface of the cellulose to form an even, continuous and stable coating layer; meanwhile, some sol particles penetrate into the fiber, so as to dope plenty of cellulose. The supercritical carbon dioxide adopted by the invention is safe, reliable, non-toxic, no pollutant and recyclable, and is environment friendly green solvent. The method of the invention is simple and easy to be operated, and the hybrid material has broad application prospect.

The invention relates to a preparation method of a magnetic chitosan adsorbent. The preparation method specifically comprises steps as follows: firstly, magnetic Fe3O4 nanoparticles are prepared witha hydrothermal method; the surfaces of the Fe3O4 nanoparticles are coated with SiO2 with a tetraethoxysilane hydrolysis method, and a compound magnetic carrier Fe3O4@SiO2 is prepared; finally, a magnetic core is coated with a chitosan crosslinking method, and a magnetic Fe3O4@SiO2-CS composite, namely, a high-adsorption magnetic chitosan adsorbent is prepared. The method is simple and has low requirements for equipment, and the prepared adsorbent has higher removal rate and higher adsorption capacity for toxic Cr(VI) in water and has the removal rate reaching 99.6% and the adsorption capacityreaching 49.8 mg/g for a 50 mg/L Cr(VI) solution; the adsorbent has the maximum adsorption capacity reaching 82% for a 800 mg/L Cr(VI) solution; besides, the adsorbent adsorbing Cr(VI) can be separated from water through an external magnetic field, the problem of complicated separation and recovery process of a powdery adsorbent is effectively solved, and the separation efficiency is greatly improved.

The invention discloses a control wire winding device with a function of preventing a wire coil from loosening. The control wire winding device comprises a bottom plate, wherein two first supporting legs and a second supporting leg are arranged on the left side and the right side of the upper surface of the bottom plate respectively; a first bearing is clamped on the left side surface of the second supporting leg; a first rotating shaft is connected into the first bearing in a sleeving manner; one end of the first rotating shaft is fixedly connected with the right side surface of a first wire winding wheel; two clamp slots are formed in the left side surface of the first wire winding wheel. According to the control wire winding device with the function of preventing the wire coil from loosening, the first wire winding wheel, a second wire winding wheel, sliding chutes, a motor, a slide bar, electric push rods, telescopic devices and an extrusion roll are arranged, so that when the device is used for bundling and fixing a control wire, the control wire can be prevented from loosening; meanwhile, the control wire after being bundled and fixed can be taken down from the first wire winding wheel and the second wire winding wheel, therefore, the bundling and fixing speed of a worker for the control wire is increased, the bundling and fixing efficiency of the control wire is improved, and production efficiency of the control wire is guaranteed.

The invention relates to preparation technology of a photocatalyst and aims to provide a preparation method for a zeolite-immobilized photocatalyst. The preparation method comprises the following steps: dispersing a photocatalyst in deionized water, then adding a silicon source and carrying out a reaction under stirring; taking a reaction product out for washing and drying, subjecting the dried reaction product to mixing with a template and an aluminum source and then carrying out grinding; filling a reaction vessel with a mixture obtained in the previous step and carrying out solid-phase crystallization so as to produce a carrier with a zeolite structure; and washing and drying the carrier and then carrying out sintering in a muffle furnace to remove the template so as to obtain the zeolite-immobilized photocatalyst. According to the method, the usage amount of the template is low; due to improvement of the preparation method, the photocatalyst can be perfectly enveloped in a zeolite monocrystal, and the content of the photocatalyst is controllable; raw materials used in the method is low, and preparation process is simple; and in subsequent application, the utilization rate of the photocatalyst is high, the yield of the zeolite-immobilized photocatalyst is high, and the zeolite-immobilized photocatalyst has high organic pollutant degradation rate and exerts good protection effect on natural substances.

The invention relates to the design and synthesis of a poly carboxylic acid water reducing agent, the coagulating time of which can be controlled. The poly carboxylic acid water reducing agent is prepared by co-polymerize the following three monomers in water: the monomer a occupying 30 to 70 percent and indicated by a general expression 1, the monomer b occupying 10 to 50 percent and indicated by the general expression 2, and the monomer c occupying 10 to 40 percent and indicated by the general expression 3. The coagulating time is controlled by the monomer a which is made by condensing maleic anhydride and polyoxyethylene monoalkyl ether. The length of a polyoxyethylene monoalkyl ether chain controls the change of the coagulating time: the longer the chain, the shorter the coagulating time is; and the shorter the chain is, the longer the coagulating time is. The monomer a does not contain inhibitive substances in the process of synthesis, therefore, the water reducing agent is easy to be controlled in the coagulating process. The poly carboxylic acid water reducing agent is suitable for the construction of concrete under different temperature conditions: under higher temperature, the water reducing agent with longer coagulating time can be adopted, and under lower temperature, the water reducing agent with shorter coagulating time can be adopted. The poly carboxylic acid water reducing agent has good adaptability to cement and admixtures and has the advantages of low mixing quantity, good slump constant hold facility and water segregation resistance, and the like.

The invention relates to probiotic solid beverage and a preparation method thereof. The probiotic solid beverage comprises the following raw materials in parts by weight: 24 to 70 parts of maltodextrin, 20 to 60 parts of inulin and 1 to 5 parts of probiotics, wherein the probiotics comprises lactobacillus salivarius, lactobacillus acidophilus, bacillus coagulans, lactobacillus rhamnosus, bifidobacterium bifidum, lactobacillus plantarum and bifidobacterium longum. The probiotic solid beverage provided by the invention has high living bacterium quantity and can reduce loss of the probiotics whenthe probiotics pass through the gastrointestinal tract and increase the survival rate; in addition, the probiotic solid beverage can promote intestinal colonization of the probiotics; moreover, through mutual promotion of the actions of various bacteria, the probiotic solid beverage can adjust intestines and stomach well, promote intestinal tract movement, relieve constipation and diarrhea, reduce serum cholesterol, reduce lactose intolerance, accumulate proteolytic enzyme, adjust nutrient absorption and adjust the immunologic function.

A plurality of sensors for application to a steering wheel or other generally toroidal objects is disclosed. In an embodiment, the sensor comprises interleaving transmit and receive conductors. In an embodiment, the sensor comprises crossing transmit and receive conductors. In an embodiment, sensor conductors are first provided on a flat substrate, which sensors placed on the flat substrate in a configuration that will permit expansion application of the substrate to the steering wheel.