59results about How to "Good for long term" patented technology

An active energy ray curable ink which is quickly polymerized by an active energy ray, high in crosslinking degree of a cured material formed, excellent in adhesive property, low in viscosity, excellent in long-term storability and also excellent in ejection stability, and an ink-jet recording process, an ink cartridge, a recording unit and an ink-jet recording apparatus using such an ink are provided. In the active energy ray curable aqueous ink comprising at least water and a polymerizable material which is radically polymerized by an active energy ray, the polymerizable material is a water-soluble polymerizable material represented by the following general formula (I). An ink-jet recording process, an ink cartridge, a recording unit and an ink-jet recording apparatus using such an ink.

The invention relates to a personalized interbody fusion cage design method based on topological optimization and bony reconstitution simulation. The method includes the steps of conducting CT/MRI scanning on a vertebral body, segmenting a CT/MRI continuous cross-sectional image of the vertebral body, establishing a three-dimensional model, establishing a finite element model through the substeps of grid dividing and smoothing, material assignment, boundary condition setting, mechanical loading and the like, conducting the topological optimization design on an interbody fusion cage through a density-variable method, and evaluating whether the design is reasonable or not by conducting bony reconstitution numerical analogue simulation on the vertebral body and the cage bone filling area according to the adaptation bony reconstitution theory on the basis of the strain energy density.

The non-weaved cloth permeable keep-wet lining plate comprises two or three layers of different hole diameter prepared by manufacture and post treatment techniques; wherein, the double-layer structure comprises surface layer (1) and porous layer (2) that link to cement and mould plate and prepared by fiber of fineness of 07~1.5, 1~3.3dtex with hole diameters of 1~10, 4~15mu m separately; the three-layer structure comprises up and down surface (1) touched with cement, porous layer (2) and stuck layer (3) linked to mould plate and prepared by fiber of fineness 2.2~4.4dtex with hole diameter of 10~30mu m. This product has well performance and fits to industrial yield.

A single crystal of magnesium fluoride having a large diameter and excellent optical properties such as internal transmittance and long term laser durability, and suited for use as optical elements for exposing apparatus. The single crystal of magnesium fluoride is of a cylindrical shape having a straight body portion of a diameter of not smaller than 10 cm, has an internal transmittance of at least 85%/cm at 120 nm and at least 98%/cm at 193 nm and has, desirably, an induced absorption of not larger than 0.0030 absorption/cm at 255 nm and, particularly desirably, not larger than 0.0010 absorption/cm. at 255 nm immediately after the irradiation with 2 million shorts of an ArF excimer laser of an energy density of 30 mJ/cm² and 2000 Hz. The invention further provides an optical element for optical lithography comprising the single crystal and an optical member for vacuum ultraviolet ray transmission comprising the single crystal.

The invention discloses a built-in polyvinyl chloride (PVC) pipe enhanced steel-encased concrete combined column, which comprises PVC pipe concrete, longitudinal angle steel, connection steel lacing bars and common concrete, wherein the PVC pipe concrete is buried in the center of the section of the steel-encased concrete combined column; each piece of longitudinal angle steel is arranged at each corner of the column; the longitudinal angle steel is connected through the connection steel lacing bars; and the concrete is grouted into a residual space on the section of the mixed column. By the PVC pipe concrete, the steel-encased concrete combined column has the outstanding advantages that the bearing capacity of the general common concrete column and the durability of the concrete can be improved; invasion of harmful substances to the structural column in a severe environment is effectively prevented; the cost is low; and the using amount of steel and the manufacturing cost can be saved. Compared with the profile steel concrete column or the steel pipe concrete column, the built-in PVC pipe enhanced reinforced concrete combined column has the advantages that the steel consumption can be greatly reduced; compared with steel, the PVC pipe has the characteristics of low cost, difficulty in rusting, high corrosion resistance and high durability; the cost performance is high; and the construction cost is greatly saved.

The invention relates to a lower flange anti-pulling composite box girder with corrugated steel webs and a construction method of the composite box girder, and belongs to the technical field of bridge structures. The composite box girder comprises an upper flange concrete slab, a lower flange concrete slab, the corrugated steel webs, upper flange steel plates, lower flange steel plates and connectors, the corrugated steel webs are connected with the upper flange steel plates and the lower flange steel plates, the lower flange concrete slab is integrated with the lower flange steel plates through the connectors welded on the lower portions of the lower flange steel plates, and the upper flange concrete slab is integrated with the upper flange steel plates through the stud connectors welded on the upper portions of the upper flange steel plates. The composite box girder is characterized in that the connectors on the lower portions of the lower flange steel plates are T-shaped connectors comprising T-shaped connector webs and T-shaped connector top plates. Without increasing steel dosage, the composite box girder solves the problems that reinforcing meshes in a traditional corrugated steel web lower flange concrete slab with PBL connectors, particularly, transverse reinforcements are difficultly constructed, and construction quality is difficultly ensured.

The present invention relates to a pipe or a supplementary pipe article comprising a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene homo- or copolymer fraction, wherein fraction (A) has a lower average molecular weight than fraction (B), the base resin has a flexural modulus determined according to ISO 178 of 1000 MPa or higher, and the composition further comprises (C) an inorganic mineral filler, wherein inorganic mineral filler (C) is present in the composition in an amount of 1 to 70 wt. %, and to the use of said composition for the production of a pipe or a supplementary pipe article.

The invention discloses basalt fiber recycled insulation concrete, made from, by weight, 1100-1300 parts of coarse aggregate, 300-500 parts of cement, 450-650 parts of sand, 0.5-8 parts of basalt fiber, 140-180 parts of vitrified micro bubbles, 4-10 parts of an admixture, 3-7 parts of an additive, and suitable water, wherein the sand has fineness modulus of 2.0-2.4. Basalt fiber and cement-based aggregate have strong adhesion in the concrete, concrete cracking can be inhibited, minor cracks caused by dry shrinkage of the concrete are decreased effectively, the toughness of the recycled concrete is improved, and the brittleness of the concrete can be overcome ideally.

The invention discloses a high-strength concrete material with iron ore as a aggregate. The iron ore is adopted as a coarse aggregate and a fine aggregate, and admixtures such as ground fine mineral powder, silica fume and I-grade fly ash are comprehensively utilized. The ultrahigh-strength concrete material with the strength grade reaching 80 MPa and the bending strength reaching 10.0 MPa is prepared by utilizing a high-performance polycarboxylate water reducing agent, the strength loss rate of 100 sulfate dry-wet cycles is less than or equal to 10%, and the mass loss rate is less than or equal to 3.0%; the anti-permeability grade is more than P20, no potential alkali aggregate reaction danger exists, the sand wind abrasion resistance is high, the rib protection performance is excellent,the crack resistance is high, and the deficiencies and defects of a traditional concrete material can be effectively overcome on the premise that the cross section area of a pier is not increased.

The invention relates to a DBD high-efficiency ionization source. The ionization source comprises an insulated discharge cavity, a discharge electrode, a first pair of tablet-shaped leading-out electrodes and a second pair of tablet-shaped leading-out electrodes; the discharge cavity is a hollow enclosed cavity which is filled with rare gas; the upper and lower sidewalls of the insulated dielectric cavity include the quartz material, the outer walls of the upper and lower sides of the quartz material are provided with the first pair of tablet-shaped leading-out electrodes respectively, the right sidewall of the insulated discharge cavity is provided with a through whole which serves as a window, the window is sealed by an optical window sheet, and the left sidewall, corresponding to the window, of the discharge cavity is plated with a reflective film; and the side, far from the reflective film, of the window is provided with the first pair of the tablet-shaped leading-out electrodes and the second pair of tablet-shaped leading-out electrodes. The ionization source is combined with a mass spectrum or an ion migration spectrum in use, use of a radioactive ionization source can be avoided, the sensitivity of the mass spectrum or the ion migration spectrum is improved, and the ionization source is helpful for industrialization of the mass spectrum or the ion migration spectrum.

The invention discloses a dry type connection system of a prefabricated type wood-concrete composite structure. The dry type connection system includes wooden beams, concrete slabs and dry type shearconnection pieces. Each dry type shear connection piece includes an embedded steel plate and assembling screws. In-plate steel bars of the concrete slabs pass through pre-opened holes of the embeddedsteel plates, the embedded steel plates are positioned when concrete is poured, and strengthening and anchoring are carried out; the wooden beams are arranged between the two embedded steel plates, grooves with the depth equal to the thickness of the embedded steel plates are formed in the positions, in contact with the steel plates, of the wooden beams, exposed parts of the embedded steel platesare inserted into the grooves of the wooden beams during field assembly, the screws are used for connecting the concrete slabs where the steel plates are embedded and the wooden beams, and assemblingof the wood-concrete composite structure is realized. By means of the dry type connection system, the wooden beams and the concrete slabs are prefabricated in a plant and spliced on a construction site, the on-site form erecting processes are reduced, and the concrete curing time is shortened.

The invention discloses a Brillouin optical fiber sensing system and sensing method with an adjustable frequency shifting structure. The Brillouin optical fiber sensing system is composed of a narrow-linewidth laser device, a first optical coupler, an optical amplifier, a scrambler, a second optical circulator, an erbium-doped fiber amplifier, a signal processing unit, a signal modulating unit, and an adjustable frequency shifting unit. In addition, the method includes: step one, generating continuous light; second two, generating pump light; step three, carrying out a stimulated Brillouin effect; step four, generating backscattered signal light; and step five, carrying out data collection and processing. The system having advantages of low cost and high system stability is capable of realizing distributed measurement of the temperature and strain. The sensing method is operated conveniently; the frequency shift adjustment is carried out conveniently; and the frequency shift is controlled easily. Meanwhile, the frequency modulation module employs the polarization maintaining device, so that the influence on light by the light polarization state is reduced and the obtained optical signal becomes stable.

The invention creates and provides a multilayer waterproof roll for a composite internal-enhancing fabric and a production process thereof. The multilayer waterproof roll comprises a surface layer, aninternal-enhancing fabric layer, a back layer and a back-lining layer which are sequentially adhered from top to bottom, wherein the surface layer and the back layer are high molecular material layers, the internal-enhancing fabric layer is polyester gridding cloth, and the back-lining layer is polyester fiber cloth. Multiple layers of the multilayer waterproof roll can be composited by virtue ofa three-roll calender through a synchronous composite process, so that the compositing strength among composite layers can be furthest guaranteed; and the strength of the multilayer waterproof roll is mainly supplied by the internal-enhancing polyester gridding cloth in the use process, and the applicability is supplied by the back-lining layer, so that the mutual complementation of the advantages and disadvantages of reinforcing ribs and back linings is realized.

The invention discloses a distributed monitoring system for structure settlement based on an optical fiber ultrasonic wave sensing technology. The distributed monitoring system for structure settlement based on the optical fiber ultrasonic wave sensing technology comprises an ultrasonic wave pulse emitter, an optical fiber beam splitter, a pulse generator control unit, an optical fiber ultrasonic wave sensor, a transmitting optical cable, a sensing light source, an optical fiber beam splitter and a signal demodulation and analyzing unit; the structure of the optical fiber ultrasonic wave sensor is a single-mode optical fiber-great-core-diameter optical fiber-single-mode optical fiber type which is formed by welding two single-mode optical fibers at two ends of a great-core-diameter optical fiber; the sensing light source is connected with the input end of the beam splitter through the transmitting optical cable; the output end of the beam splitter is connected with the input end of the optical fiber ultrasonic wave sensor; and the output end of the optical fiber ultrasonic wave sensor is connected with the signal demodulation and analyzing unit. The distributed monitoring system for structure settlement based on the optical fiber ultrasonic wave sensing technology has the advantages of high flexibility, good accuracy, good long-term property, high anti-interference capability, high reliability, flexible working reference point selection, capability of achieving long-distance distributed monitoring and data treatment, simple structure, and high cost of performance of a sensing system.

The present invention comprises a Nourishing Blood and Removing Ecchymoses Powder and the preparation method. At present the majority of domestic treatment medicines of this disease takes orally or externally, or uses partial physical therapy. The curative effects are not obvious by taken Vitamin A, Vitamin B orally. This invention comprises Chinese angelica 210 shares, gardenia 210 shares, Poris cocos 210 shares, root of herbaceous peony 175 shares, bupleurum chinensis 140 shares, windproof 185 shares, rhizoma anemarrhenae 165 shares, mustard Guangzhou 145 shares, Chinese stractylodes 185 shares, gallbladder grass 185 shares, cork 165 shares, angelica 145 shares, Chinese cassia tree 125 shares, Chinese goldthread rhizome 135 shares. The present invention is applied to treat the chronic dystrophy of vulva, and to treat a disease of organization denaturation and pigment change caused by the obstruction displaying in the absorption nutrients process of partial nerve in the vulva and the blood vessel due to the unbalance of the functions of the liver, the spleen and kidney.

In an insulator including an adsorbent configured to adsorb gas, an initial adsorption performance of the remaining gas inside the insulator using the adsorbent and a long-term adsorption performanceof gas introduced into the insulator from the outside are improved so that the short-term performance and the long-term performance of the insulator can be simultaneously improved. An adsorbent that is a first part of an adsorbent included in a vacuum insulator is accommodated in a first space formed with an inside surface of a container, and an adsorbent that is a second part of the adsorbent isdispersed into a second space formed with an inside surface of an outer envelope and an outside surface of the container.

The invention discloses a method for improving and enhancing efficiency of a potassium-deficient and calcium-poor rice field by utilizing biomass charcoal. According to the method disclosed by the invention, rice straw biomass charcoal is used as a soil modifying agent and a fertilizer efficiency enhancing agent; one week before rice seedlings are transplanted, the rice straw biomass charcoal is added into the low-yield potassium-deficient and calcium-poor rice field in a ratio of 22.5t/ha; 2-3 days before the seedlings are transplanted, watering is performed to soften the field; one day before the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer is applied in a ratio of 417kg/ha; one month after the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer with the same specification is applied in a ratio of 500kg/ha; and in other aspects, the rice seedlings are cultivated according to a conventional rice planting manner in China. Compared with conventional fertilization management, the method has the advantages that while the yield of rice is not reduced for a long period, about 50% of an inorganic nitrogen fertilizer is reduced in each year; and the soil quality is effectively improved, and the content of potassium and calcium in the soil of different depths in the potassium-deficient and calcium-poor rice field is improved. The method has the advantages of simplicity in preparation, economical and practical performances, high efficiency and durability, strong operability and the like, and has an important guide meaning of improving and enhancing efficiency of the low-yield potassium-deficient and calcium-poor rice field.