42results about How to "Meet the characteristic requirements" patented technology

The invention discloses a feeding and carding system of card clothing, characterized in that two to four pairs of carding region and two stripping regions are set on cylinder; the distance between principal up-down rollers is 10-70mm; the distance between secondary up-down rollers is 10-70mm, the distance between principal feeding roller and secondary feeding roller is 20-100mm, and the distance between principal feeding roller and thorny roller is 10-80mm. the invention is provided with smaller damage for fiber. Especially aiming to the carding for flax fiber, glass fiber, there is smaller tearing and rupturing to fiber. It can card cutting fiber with the length of 120mm-250mm. There is no influence to indexes such as drawing, bending of the fiber forming felt produced after prepared technology and so on and the product can satisfy the special demand of decoration material in special automobile. It is especially applied in carding for compound fiber, nature flax fiber, bamboo fiber, and glass fiber so on.

The present invention discloses one kind of high and low temperature stable high dielectric constant ceramic dielectric material and its preparation process. The ceramic dielectric material consists of barium titanate, niobium oxide, magnesium oxide, BaCO3 and self-made additive comprising B2O3, Bi2O3, SnO2 and TiO2. The ceramic dielectric material has excellent dielectric performance, high dielectric constant, low dielectric loss, excellent heat stability, low material cost, medium sintering temperature and low cost.

The invention discloses a treatment method for flexibly shaping a three-layer mesh fabric. The treatment method for flexibly shaping the three-layer mesh fabric comprises the following steps of carrying out padding treatment on the three-layer mesh fabric, wherein a padding solution adopted for the padding treatment is an aqueous polyurethane solution of which the percentage concentration by mass is 10 to 40 percent; the particle sizes of aqueous polyurethane are more than 1 microns but less than 200 microns. By using the treatment method provided by the invention, not only can the original softness of the three-layer mesh fabric be retained, but also the flexible shaping can be carried out through hot-pressing treatment; a hot-pressing temperature is large in controllable range, and is easy to control; further, the problems of the fusing and the discoloration of the three-layer mesh fabric can be solved.

The invention relates to molding equipment and process of a waterproof or antistatic or anti-counterfeiting single corrugated board. The equipment comprises a first paper holder and a second paper holder, a corrugating machine, a cutting device, a conveying device, a paperboard receiving machine, a first pre-heating roller, a second pre-heating roller, a coating dip-coating device, a striking-off device and an ultraviolet radiation device, a heat supplying unit and an atomization and water spraying unit, wherein the coating dip-coating device, the striking-off device and the ultraviolet radiation device are arranged between the first pre-heating roller and the first paper holder in sequence; the heat supplying unit is used for supplying heat to the first pre-heating roller and the second pre-heating roller; the atomization and water spraying unit is arranged nearby an inlet of the cutting device; coating selected by the coating dip-coating device is one of waterproof coating, anti-counterfeiting coating or antistatic coating. The molding equipment and process have the advantages that on one hand, paper sheets are directly subjected to waterproof or antistatic or anti-counterfeiting treatment so that a glued paperboard meets property requirements of customers; on the other hand, a fold phenomenon of the molded paperboard can be effectively reduced; meanwhile, an automatic gluing capability of the double-layered paperboard can also be enhanced and the quality is improved.

Provided are a compound represented by formula (1) (in the formula, *a, *b, R1, X1, L1, L2, n, A1, and A2 are as defined in the specification) and a method for producing a compound represented by formula (1) that introduces A1 under reaction conditions that make the reaction activity of Hal2 of a compound represented by formula (I) (in the formula, *c, *d, R1, X1, L1, L2, n, A1, A2, Hal1, and Hal2 are as defined in the specification) markedly lower than that of Hal1, then introduces A2 different from A1 under reaction conditions that raise the reaction activity of Hal2. A compound represented by formula (1) can form a layer by coating and can respond to the diverse property requirements of an EL element.

A construction method for microorganism-solidified garbage incineration ash permeable pavement, the method steps comprising: a. spreading garbage incineration ash on the roadbed 1 and compacting it as a subbase 2; b. paving the upper surface of the subbase 2 Geotextiles are used as the filter layer 3; c. Take garbage incineration ash and spread it on the filter layer 3 and roll it compactly as the base layer 4; d. Spray CaCl on the upper surface of the base layer 4 first 2 solution, after it has completely infiltrated, spray the bacterial solution again, and let it stand for 2 hours; e. Spray the cementing liquid on the upper surface of the base layer 4, and let it stand for 12 hours; f. Repeat step e for 4 to 6 times; g. Mix sand, spread it on the base layer 4 and compact it as the surface layer 5; h. Spray CaCl on the upper surface of the surface layer 5 2 After the solution is completely infiltrated, spray the bacterial solution and let it stand for 2 hours; i. Spray the cementing liquid on the upper surface of the surface layer 5 and let it stand for 12 hours; j. Repeat step i 4 to 6 times to complete the construction.

The invention provides a combined air spring integrated with a coil spring with an additional air chamber with the adjustable volume. The combined air spring comprises an upper covering plate, a pouch leather, a lower covering plate, the additional air chamber, an additional air chamber piston, a piston rod and a linear stepper motor. The upper covering plate, the pouch leather and the lower covering plate form an air spring, and an air spring cavity of the pouch leather is filled of high-pressure air. The additional air chamber is mounted on the lower covering plate in the an air spring cavity and is in a cylindrical shape. The additional air chamber has an opening end and an enclosed end, and the enclosed end contacts with the lower covering plate. The center of the additional air chamber is located on the central connecting line of the upper covering plate and the lower covering plate. The additional air chamber is provided with the additional air chamber piston which is capable of performing reciprocating motions freely, and the additional air chamber piston is connected with the upper covering plate through the piston rod fixed on the additional air chamber piston. The effective volume of the additional air chamber is formed by the additional air chamber piston and the enclosed end of the additional air chamber.

The invention relates to a glass insulator material. An existing insulator is poor in insulation performance of high-alkali glass. The glass insulator material comprises components by weight of 65-72% of SiO2, 0.05-4% of PbO, 2-8% of Al2O3, 2-6% of MgO, 6-12% of Na2O, 3-8% of K2O, 0.5-2% of BaO, 0-0.4% of Li2O and 0.5-1.5% of SrO. When the glass insulator material is 18 DEG C, the volume resistivity is larger than 5*1014. When the glass insulator material is 90 DEG C, the volume resistivity is larger than 2*1010. When the glass insulator material is 18 DEG C, the dielectric loss D is smaller than 1.4%. When the glass insulator material is 40 DEG C, the dielectric loss is smaller than 2.0%. The glass insulator material uses waste leaded glass as main raw materials, changes waste into wealth, and achieves resource utilization of leaded glass. Furthermore, the glass insulator material is high in volume resistivity, low in dielectric loss and excellent in sealing performance and processing performance.