32results about How to "Overcome durability" patented technology

The invention discloses a polyamine guanidine salt polymer, its making method and uses wherein the polyamine guanidine salt polymer is the functionalized mother particles obtained through reaction between polyesters and polyundecaneamide, after mixing this mother particles with the common polyesters and polyundecaneamide by a finite proportion, various multifilament and plastic products can be obtained.

The invention relates to a method for preparing wear-resistant thermoplastic olefin hydrocarbon compound, which comprises: first, chemical grafting modification is carried out on thermoplastic olefin hydrocarbon polymer in an initiation system by silane coupling agent under the condition that peroxide initiator exists, thus leading the thermoplastic olefin hydrocarbon polymer to take along alkoxy or chloro-silane branched chain; polysiloxane which has super high molecular weight and H+ active group on at least one end is mixed together with the thermoplastic olefin hydrocarbon polymer which is processed by grafting modification in a melt extrusion way, so that hydrogen bond connection is formed between the polysiloxane with super high molecular weight and the polymer silane branched chain to obtain the thermoplastic olefin hydrocarbon compound. The method greatly improves the compatibility between the polysiloxane with super high molecular weight and the thermoplastic olefin hydrocarbon compound, thus the adding quantity of the polysiloxane can be increased by about ten times, and the long-term wearing resistance of the products can be improved. After being rubbed for 10,000 times, the product has the friction depth being about half of the traditional technical product added with wear resistant addition agent, and the static state friction coefficient and the dynamic friction coefficient being 10% more than the traditional blending technical product.

The invention relates to a distribution transformer monitoring and metering terminal which comprises a data acquisition module, a data communication module, a core control module, a power module and a touch type display module, wherein the data acquisition module is used for acquiring electric energy metering data; the data communication module is used for transmitting the data; the core control module is used for acquiring, transmitting and counting the data through a terminal identification; the power module is used for providing power; the touch type display module is used for displaying the electric energy metering data according to the touches of users; and the data acquisition module comprises an acquisition unit used for acquiring the electric energy metering data, a first storage unit used for storing the electric energy metering data and a second storage unit used for storing the electric energy data during power failure. The invention improves the safety of data transmission as well as the convenience and the durability of terminal operations through acquiring and transmitting the data through the terminal identification and arranging the touch type display module and overcomes the defects of lower safety and poorer convenience and durability in the prior art.

The invention relates to a phenolic hydroxyl benzoate based macromolecular antibacterial material preparation method. A macromolecular antibacterial material is obtained by grafting of phenolic hydroxyl benzoyl chloride derivative containing monomer and an EVOH (ethylene-vinyl alcohol) copolymer to macromolecules through nucleophilic substitution. The phenolic hydroxyl benzoate based macromolecular antibacterial material has an excellent antibacterial effect on staphylococcus aureus, escherichia coli and mildew and not only has broad-spectrum high-efficiency lasting antibacterial functions but also is high in safety. Compared with nonpolar resin such as polyethylene and polypropylene and other resin such as EVA (ethylene-vinyl acetate) copolymer, the phenolic hydroxyl benzoate based macromolecular antibacterial material has advantages of high compatibility and promising application prospect.

The invention discloses an anti-torsion energy dissipater with internal collision-friction-deformation three-stage energy dissipation, which belongs to the technical field of civil engineering and mechanical engineering. The energy dissipater mainly comprises an outer steel cylinder, an inner steel cylinder, shape memory alloy partition plates, partition steel plates and steel flanges. The energy dissipater is characterized in that the inverse trapezoidal partition steel plates and the trapezoidal shape memory alloy partition plates which are radially and evenly arranged along outer and inner circumferences of the inner steel cylinder and the outer steel cylinder are mutually and staggeredly arranged; the upper flange and the lower flange are provided with steel sliding chutes which can be used for the outer steel cylinder and the inner steel cylinder to insert and slide; the energy dissipater is fixed at the position at which the torsion control needs to be performed through threaded holes on the flanges; and when the upper flange and the lower flange perform relative torsion movement, the partition steel plates and the shape memory alloy partition plates can perform energy dissipation in three modes of internal collision, mutual friction and the deformation of the shape memory alloy partition plates to jointly suppress the torsional vibration of a structure or a member in a plane. The energy dissipater has the advantages of strong anti-torsion energy dissipation ability, low maintenance cost, repeated use, self reset, simple structure and the like.

The invention relates to a pure cotton heavy bath mat weaving process. Firstly fine staple cotton is spun into72.9tex of single yarns with the twist degree of 30-60 twists / 10cm, and then the single yarns are combined into four strands to make weak twist cone yarns with the twist degree of 15-25 twists / 10cm; then the weak twist cone yarns are warped and starched, and are woven into greige cloth by a variable-program beating-up loom with a specific fuzzing beating-up tissue; and the greige cloth is bleached through boiling, whitened, neutralized, softened, dried and sewed into a bath mat. According to the pure cotton heavy bath mat weaving process provided by the invention, pure cotton material is reasonably and effectively utilized in the field of bath mats, the defect that the bath mat made of the pure cotton material is deformed easily and has poor elasticity and poor durability, which can not be changed by technicists for a long time, are overcome, and the manufactured bath mat has the advantages of softness, comfort, good water absorbability, difficult generation of static electricity and the like of the pure cotton material, and can become a development trend of the bath mat weaving technology.

A twisting-resistant self-restoring lead core shape memory alloy damper consists of a shape memory alloy cylinder, shape memory alloy extruding beads, shape memory alloy flanges and a lead core. The damper is characterized in that the shape memory alloy extruding beads are symmetrically distributed along the peripheral radial direction of the shape memory alloy cylinder which is fully filled with lead; the damper is fixed at a part in need of twist control through the flanges; when the upper and lower flanges have relative twisting motion, the shape memory alloy cylinder and the lead core consume energy, and the extruding beads extrude the lead core to consume energy, so that the three parts provide strong twisting-resistant energy consumption capability; and when the vibration is over, the damper automatically restores to the primary position. The damper has advantages of strong twisting-resistant energy consumption capability, low maintenance cost, repeated use, self restoration, simple structure, easy installation and the like, simultaneously has vertical vibration energy consumption capability, and can achieve multi-dimensional passive control of the structure.

The invention belongs to the technical field of structure vibration control, and particularly relates to a parallel damping and spring unit ternary vibration reduction device, a design method and an assembling method. The device comprises a spring unit, a damping unit and an inerter unit. The damping unit is connected with the spring unit in parallel through a connecting piece and then connected with the inerter unit in series to form a parallel damping and spring unit ternary vibration reduction structure. Two ball screw transmission systems are adopted, the parallel damping and spring unit ternary vibration reduction structure is formed, and the tuning function can be achieved for inertia force. Continuous adjustment of the inertia force can be achieved by changing the size of a flywheel, and the energy absorbing capability of the inerter unit can be brought into full play. In addition, the assembling technology is adopted in the device, and the advantages that adjustment is easy, durability is good, and the energy consumption capability is high are achieved.

The invention discloses an overground-underground bidirectional ultra-long concrete seamless design method and belongs to the field of constructional engineering. The method is characterized in that home and abroad large finite element programs, such as ANSYS, ABAQUS, SAP2000 and PMSAP, are used for calculation and analysis, and indoor and outdoor temperature data actually measured in practical projects is applied in the calculation so as to actually measure the regional average temperature; the maximum temperature difference of concrete shrinkage is calculated; and the division of a post-pouring strip or an expansion reinforcing strip and the restrained expansion rate of the used crack resistant waterproofing agent and expanding agent are provided in the design according to the conditions of individual buildings. By utilizing the method, the problem of difficulty in overground-underground bidirectional ultra-long concrete seamless design is solved successfully, requirements on entire use functions of the buildings are satisfied, the usable area is increased, and simultaneously, the construction speed is accelerated; problems in aspects of durability, fire resistance, water tightness, maintenance and the like and building defects caused by arrangement of a deformation joint are solved; and the arrangement of equipment pipelines can be facilitated.

The invention provides a preparation method of a high-strength non-fading imitation wood plank. The preparation method comprises a mold preparation stage, a substrate manufacturing stage and an integrally forming stage, wherein the substrate manufacturing stage comprises the steps as follows: manufacturing of a surface coloring layer substrate: cement used for manufacturing the surface coloring layer substrate is taken as a cementing material, an iron oxide pigment, an acrylic emulsion and hard calcium are combined, cement-based polymer modified color paste is prepared, and all component materials are required to be mixed and stirred uniformly into dilute paste; and manufacturing of a structure packing layer substrate: the structure packing layer takes cement as a cementing material, river sand, macadam, a superplasticizer, cellulose, an iron oxide pigment, an acrylic emulsion and hard calcium are combined, all component materials of the structure packing layer substrate are required to be mixed and stirred uniformly, and high-performance filling concrete is prepared. An imitation wood plank finished product prepared with the preparation method of the imitation wood plank is high in strength and imitation degree and good in weather resistance, the finished product cannot layer or strip, and the performance of an obtained material is excellent.

The invention discloses a method for preparing a diethylene glycol dibenzoate plasticizer. The method comprises the following steps of: mixing multiple kinds of polyalcohol raw materials and reacting with benzoic acid, wherein the polyalcohol raw materials comprise diglycol, dipropylene glycol, glycol and / or glycerol; adding the polyalcohol raw materials into a reactor and uniformly stirring; adding benzoic acid, a catalyst and a water-carrying agent; heating to 90 to 130 DEG C and reacting for 6 to 10 hours; and neutralizing after the reaction is finished, separating and recovering water and the water-carrying agent, and filtering. In the method, the multiple kinds of polyalcohol raw materials are mixed and then subjected to esterification reaction together with the benzoic acid, so that the esterification reaction can be smoothly carried out, the reaction temperature can be reduced, the reaction speed can be increased, the reaction time can be shortened, the industrial mass production is facilitated, and the production cost can be reduced; the plasticizer prepared by the method has equivalent plasticizing performance as that of dioctyl phthalate (DOP) and superior oil resistance, solvent resistance and the like to those of DOP; in addition, both each raw material and the reaction product are nontoxic or low-toxicity components which meet the environmental protection requirement.

The invention relates to a cold patch material for disease repair of asphalt road pavements. The cold patch material is prepared from aggregate, asphalt and a cold patch agent, wherein the aggregate is prepared from crushed stone, machine-made sand and ore powder; the particle size of the crushed stone is 5mm to 16mm; the ratio of oil to stone is 4 to 6%; the amount of cold patch agent in the coldpatch material is 1.0 to 1.5%. The asphalt cold patch material has the characteristics that the defects of easiness in caking, poor durability and poor peaceability in the traditional cold patch asphalt mixture are overcome; the repair can be performed at any time, the peaceability is good, the temperature stability is good, the forming strength is high, the water stability is excellent, the durability is good, the storage is easy and the like; the service life of the cold patch material is effectively prolonged; the application prospect is broad.

The invention relates to architectural decoration mortar and an application thereof. The architectural decoration mortar contains the ingredients in parts by weight: 24-28 parts of silicate cement, 40-65 parts of high-alumina cement, 7-15 parts of plaster, 200-240 parts of quartz sand with the particle size of 40 to 70 meshes, 440-475 parts of quartz sand with the particle size of 70 to 140 meshes, 0.5-2.2 parts of wood fibers and 5-33 parts of metal alloy pigment. According to the architectural decoration mortar, the silicate cement, the high-alumina cement and the plaster serve as a gelatinization system, the silicate cement and the high-alumina cement can rapidly produce ettringite with the plaster in case of encountering water, the ettringite wraps the surface of cement clinker so as to form a protective film, thus, the production and further hydration of calcium hydroxide are avoided, then, the production of alkalis is reduced, and the problem of efforescence is solved. The high-alumina cement and the silicate cement jointly produce gehlenite hydrate during hydration; and by adopting the quartz sand of size distribution and the wood fibers, the mechanical strength and durability of the architectural decoration mortar are further guaranteed. The architectural decoration mortar can reflect 10% to 20% of infrared radiation in sunlight, thereby playing roles in insulating heat and saving energy.

The invention discloses a CRTS II type slab ballastless track wide-narrow joint quick repair polymer concrete, which is characterized by comprising the following components in parts by weight: 38-58 parts by weight of cement; 5-7 parts by weight of fly ash; 42-62 parts by weight of gravel; 10-20 parts by weight of sand; 10-30 parts by weight of an expansion agent; 17-20 parts by weight of water; 5-9 parts by weight of a water reducing agent; 0-2 parts by weight of a coagulant; 0-2 parts by weight of a retarder and 0.5 to 1.5 parts by weight of a concrete modifier. The slab ballastless track wide-narrow joint quick repair polymer concrete has the advantages of fast hardening, high bonding strength, small dry shrinkage rate, good bonding capability with a track plate after pouring and compact inside. Meanwhile, the slab ballastless track wide-narrow joint quick repair polymer concrete has high hourly strength, can greatly shorten the construction period and improve the construction efficiency, and overcomes the defects of slow hardening, low adhesive force, poor durability and the like in the prior art.

The invention relates to a honeycomb type shape memory alloy multi-dimensional vibration damper, which belongs to the technical field of civil engineering and mechanical engineering. The honeycomb type shape memory alloy multi-dimensional vibration damper mainly comprises steel flanges, a honeycomb type shape memory alloy cylinder, a friction steel plate, and shape memory alloy stranded wires. The honeycomb type shape memory alloy multi-dimensional vibration damper is characterized in that one end of the shape memory alloy cylinder is connected with a lower flange, while the other end is connected with the friction steel plate; the middle part of the cylinder is evenly and symmetrically distributed with 22 cylindrical bores similar to a honeycomb; the middle part of the friction steel plate is connected with an upper flange through 14 high strength bolts, and the friction steel plate is connected with steel blocking strips along a peripheral axial direction through 8 groups of the shape memory alloy stranded wires; and the vibration damper is fixed to a part requiring vibration control through bolt holes on the flanges. The honeycomb type shape memory alloy multi-dimensional vibration damper has the advantages of satisfying damping force with different strengths required in vibration, and inhibiting a structure or a component to vibrate at any directions so as to achieve the multi-dimensional vibration control of the structure; besides, when the vibration is ended, the vibration damper can restore to the initial position automatically.

The invention belongs to the technical field of structure vibration control and particularly relates to an inerter unit and spring unit parallel connection ternary vibration reducing device and a design and assembling method. The device comprises a spring unit, a damping unit and an inerter unit. The spring unit and the inerter unit are connected in parallel, and then the spring unit and the inerter unit are connected with the damping unit in series to form a ternary vibration reducing structure. By means of the inerter unit and spring unit parallel connection ternary vibration reducing deviceand the design and assembling method, two sets of ball screw transmission systems are adopted for achieving the inerter unit and spring unit parallel connection ternary vibration reducing structure,a turning effect can be achieved on damping force, the energy consumption capability of the damping unit is sufficiently developed, and the energy consumption and vibration reducing efficiency of thevibration reducing device is improved. In addition, an assembly technology is adopted, and the beneficial effects that adjusting is easy, durability is good, and the energy consumption capability is high are achieved.

The invention relates to a cable working well and relative construction, which is characterized in that: the base is formed by steel bar concrete on-site pouring method; the well body is formed by several preformed blocks; since it uses preformed assembly method and steel bar concrete on-site pouring method, it can overcome the defects as low strength, low speed, easy leakage, etc of present technique as brick working well, on-site concrete working well, etc.

The invention discloses a T-shaped formwork for ramming. The T-shaped formwork comprises two Ai plates, an Ao plate, two Bi plates, a Bo plate, three DC end plates, three DD end plates and multiple oppositely-pulling screws, each of the Ai plates, the Ao plate, the Bi plates, the Bo plate, the DC end plates and the DD end plates is a platy body formed by fixing a steel frame and a retaining plate together, and multiple screw holes for allowing the oppositely-pulling screws to penetrate are formed in each of the upper edge and the lower edge when each retaining plate is in a vertical state. By the T-shaped formwork, a T-shaped corner wall can be rammed in one step; the T-shaped formwork is suitable for ramming construction of gable wall corners and convenient to mount and demount, the defects of low integrity and low durability of a wall due to many vertical joints caused by a conventional formwork are overcome, and the problem of unevenness of the surface of the wall rammed by a conventional ramming formwork can be solved effectively. The T-shaped formwork is high in rigidity, thereby being capable of effectively resisting ramming impact force. In addition, the T-shaped formwork is high in construction accuracy and can meet requirements of two conventional construction types including construction according to formwork number and flexible size adjusting.

A tire pattern structure including a tread pattern and a sidewall pattern is formed by uniformly distributed patterns in the circumferential direction of a tire. The tread pattern is formed by two long spoon-shaped pattern blocks symmetrical with respect to the center of the tire tread and the axial direction of the tire. A spoon-shaped pattern block group is across the center of the tire tread and each interlaced and mapped sideway along the center of the tire tread formed by upper and lower long spoon-shaped pattern block groups. The two spoon-shaped patterns are coupled from a head block to a handle block and bent at the tire shoulder to couple the sidewall pattern formed by the upper and lower sidewall pattern blocks which are formed by a quadrilateral block of two protrusions and three recessed blocks to overcome rough terrains and provide excellent mud and water removing performance.

The invention relates to a terminal-hydroxyl organic phosphorus-nitrogen-sulphur ester content and a preparation method thereof and flame retardant cotton fabric made from the terminal-hydroxyl organic phosphorus-nitrogen-sulphur ester content. Firstly, DAPER with terminal being hydroxyl is obtained through reaction of lateral-group phosphorous dicarboxylic acid with pentaerythritol, DADA with the terminal being the hydroxyl is obtained through reaction of organic nitrogen-dicarboxylic acid with dihydric alcohol, and finally a final product is obtained through reaction of the DAPER with the DADA. The final product is of the solid ester content with high molecular weight, the terminal of the molecule is the hydroxyl, and 12.36-13.58wt% of phosphorus, nitrogen and sulfur are contained; the ester content has the advantages of high thermal stability, wide application and the like, shortcomings that a traditional liquid ester content is difficult in storage and use, singular purpose due to simple structure, environment is polluted by preparation process and the like are overcome; the prepared ester content is taken as a flame retardant, the cotton fabric is treated through a two-dip two-rolling process, and the flame retardant cotton fabric finally obtained is good in flame retardance and washing fastness.

The invention discloses a combined type ramming form board system. The combined type ramming form board system comprises two Ai boards, an Ao board, two Bi boards, a Bo board, three DC end boards, three DD end boards and a plurality of split screws, wherein the Ai boards, the AO board, the Bi boards, the Bo board, the DC end boards and the DD end boards are board bodies formed by fixing steel frames and baffles together; parts of the Ai boards, the Ao board, the Bi boards, the Bo board, the DC end boards and the DD boards are spliced to form an I-shaped form board, an L-shaped form board or a T-shaped form board. The combined type rammed form board system has the advantages that the system is flexible to assemble, different combined form boards such as the T-shaped form board, the L-shaped form board and the I-shaped form board can be achieved by different forms of splicing, and a wall completed by the form boards is high in integrity; the form boards are good in rigidity and capable of effectively resisting ramming impacts; meanwhile, the form boards are high in construction precision and capable of satisfying the requirements of two conventional construction types such as construction performed according to modulus and construction flexible in size adjustment.

The invention discloses an underground rock cavern gas storage and concrete lining joint anti-gas-seepage structure. The anti-gas-seepage structure comprises a groove formed in an opening of a concrete lining joint and a sealing strip located in the groove. A cover board is installed at a notch of the groove, a filler is filled among the wall surface of the groove, the cover board and the outer wall surface of the sealing strip, a first spring and a second spring are arranged in the sealing strip, and the two ends of the first spring and the two ends of the second spring are both tightly pressed on the inner wall of the sealing strip. The anti-gas-seepage structure solves the problem that an existing underground gas storage lining joint sealing treatment structure is insufficient in long-term sealing efficiency.

The invention discloses a high-performance colored cementing material and a preparation method thereof, and belongs to the technical field of colored asphalt. The colorized cementing material with high viscosity, water erosion resistance, aging resistance and high photo-thermal stability is obtained by mixing and compounding the rosin resin, the self-crosslinking resin, the anti-ultraviolet nanoparticles and the modified asphalt and controlling the ratio of the rosin resin, the self-crosslinking resin and the anti-ultraviolet nanoparticles. The cementing material obtained by the invention is used for paving a colored pavement; the invention can obtain a colored asphalt permeable pavement with excellent performance and common advantages of a permeable pavement and a colored asphalt pavement, and has a very good application prospect.

The invention discloses a method for machining micropores on glass sealed alloy. The method for drilling and machining the micropores on the glass sealed alloy mainly includes steps of (1), selecting a tool material; (2), selecting machining equipment; (3), setting cutting parameters; (4), drilling and machining the micropores; and (5), supplying cooling liquid. Tungsten-cobalt hard alloy is used as the tool material; a cam adjusting mechanism is additionally arranged on a feeding device of the machining equipment, so that automatic tool retracting and feeding effects can be realized; and the cooling liquid is timely delivered and supplied by a cooling liquid supply mechanism, so that defects of nondurable property, easiness in bending and burning, frequent seizure and the like of an existing tool due to tool adhesion, difficulty in chip removal and high hardness are overcome, production efficiency is greatly improved, and the service life of a tool is prolonged.

The invention provides a preparation method for far infrared silk fibers, which overcomes the defects in the prior art so as to prepare far infrared silk fibers of high health-care and physiotherapy effects and the products thereof. The preparation method for far infrared silk fibers comprises the steps of preparing highly-elastic silk fibers, subjecting the highly-elastic silk fibers to the dipping treatment in the far infrared composite finishing liquor and then subjecting the highly-elastic silk fibers to the high-temperature baking treatment. According to the invention, the combination degree of the far infrared material with fibers is improved, and the normal thermal emittance of silk fibers is enhanced greatly. Therefore, the heating effect of far infrared silk fibers is improved. Based on the above strength of interaction, the effects of expanding blood capillaries, promoting the blood circulation, strengthening the metabolism of all tissues, enhancing the regeneration capability of tissues, improving the immune capability of human bodies, and improving and preventing various diseases caused by blood circulation disturbance and microcirculation disturbance are realized. As a result, the medical-care effect is realized.

The invention discloses a ceramisite concrete self-heat-preservation masonry structure constructed through building blocks. Vertical hole grooves are formed in the self-heat-preservation building blocks. Opening grooves are formed in the outer side faces of the self-heat-preservation building blocks. Each self-heat-preservation building block comprises a blocking section in the middle and base body sections on the two sides of the blocking section. The hole grooves in the base body sections are blind holes with the tops closed. The hole grooves in the blocking sections are through holes. The blocking sections of every two horizontal adjacent self-heat-preservation building blocks are correspondingly arranged. The opening grooves of every two horizontal adjacent self-heat-preservation building blocks are correspondingly formed. A closed through hole formed by every two adjacent opening grooves is filled with a heat preservation material. Heat preservation plates are laid on the upper sides of the blocking sections. The ceramisite concrete self-heat-preservation masonry structure has the advantages that the building blocks have a good heat preservation and thermal insulation effect themselves, the cold and hot bridge effect of longitudinal and transverse mortar joint parts is effectively blocked through the design of structure heat preservation, and the requirement for saving energy by 65% to 75% can be achieved by painting buildings and inner faces and outer faces of walls only through ordinary building mortar.

The invention aims to provide photochromic azobenzene polyester, a preparation method thereof and photochromic polyester fibers. The photochromic azobenzene polyester comprises one or more of a polyester chain segment and an azobenzene chain segment or an azobenzene derivative chain segment, one benzene ring structure in the azobenzene chain segment or the azobenzene derivative chain segment is ona main chain of the photochromic azobenzene polyester, and the other benzene ring structure or the benzene ring derivative structure is on a side chain. Ester exchange is carried out on azobenzene orderivatives thereof, dimethyl terephthalate and dihydric alcohol to obtain the photochromic azobenzene polyester. The azobenzene structure is embedded into a polyester molecular chain, so that the polyester has a photochromic function and also has good melt spinning performance, the polyester fiber obtained by melt spinning the azobenzene structure has good mechanical properties and the photochromic function, and the photosensitive durability is remarkably improved.

The invention discloses a mounting structure of an outer wall rock wool heat preservation integrated plate of a high-rise housing and a construction method. The rock wool heat preservation integratedplate is embedded in an aluminum alloy grating and bonded on a mounting wall, the aluminum alloy grating is composed of multiple aluminum alloy square tubes horizontally fixed to the mounting wall andparallel to each other, the position, between two adjacent aluminum alloy square tubes, of the rock wool heat preservation integrated plate is supported by the aluminum alloy square tube on the lower portion, the construction method comprises the steps of aluminum alloy grating detailed design, straight hanging, line snapping, rear embedded part mounting, aluminum alloy square tube mounting, pointing, mounting wall treatment, rock wool heat preservation integrated plate deepened figure making, wall payoff, rock wool heat preservation integrated plate cutting and anchorage part mounting, bonding mortar preparing, rock wool heat preservation integrated plate bonding, gluing, and protection film removing. Through the aluminum alloy grating, the mounting wall is divided, vertical flatness ofthe rock wool heat preservation integrated plate is ensured conveniently, the rock wool heat preservation integrated plate is embedded in the aluminum alloy grating, and a safety quality accident ofintegrated plate whole falling is avoided.

A tire pattern structure including a tread pattern and a sidewall pattern is formed by uniformly distributed patterns in the circumferential direction of a tire. The tread pattern is formed by two long spoon-shaped pattern blocks symmetrical with respect to the center of the tire tread and the axial direction of the tire. A spoon-shaped pattern block group is across the center of the tire tread and each interlaced and mapped sideway along the center of the tire tread formed by upper and lower long spoon-shaped pattern block groups. The two spoon-shaped patterns are coupled from a head block to a handle block and bent at the tire shoulder to couple the sidewall pattern formed by the upper and lower sidewall pattern blocks which are formed by a quadrilateral block of two protrusions and three recessed blocks to overcome rough terrains and provide excellent mud and water removing performance.

The invention relates to an organic phosphorus-nitrogen-containing ester compound taking an acidic group as a terminal group and a preparation method thereof. The preparation method comprises the following steps: firstly, taking dicarboxylic acid with a side group containing functional elements, and pentaerythritol to react to prepare DAPER taking carboxyl as the terminal group; taking organic binary acid containing functional elements, and dibasic alcohol to react to prepare DADA with the acidic group at one and the carboxyl at the other end; finally, taking the DAPER and the DADA to react to obtain a final product. According to the preparation method provided by the invention, the organic phosphorus-nitrogen-containing ester compound taking the acidic group as the terminal group is finally prepared based on the difference of multifunctional group reaction activity of reactants, and the disadvantages that a traditional liquid ester compound is difficult to store and use, the structure is simple so that the usage is single, the environment is polluted by a preparation process and the like are overcome; the final product is a solid-state ester compound with high molecular weight and the terminal group of a molecule is a carboxylic group or a phosphate group and contains 7.54 weight percent to 15.45 weight percent of phosphorus and nitrogen elements; the organic phosphorus-nitrogen-containing ester compound has the advantages of high heat stability, wide application and the like.