14results about How to "Good reduction effect" patented technology

The invention discloses an improvement method for promoting growth of plants in salinized soil in Hexi region. The improvement method is realized by two steps of preparation of a soil conditioner and planting of salt-tolerant plants. The soil alkali-hydrolyzable nitrogen content of other plants except T2 is 1.2-2.5 times of the soil alkali-hydrolyzable nitrogen content of T0, the soil available phosphorus content of other plants except T5 and T6 is reduced by 12.9%-62.8%, and the reduction amplitude of the soil available phosphorus of T1 and T9 is maximum. The content of rapidly available potassium in soil is reduced by 28.8%-77.6% by planting plants, and the reduction amplitude of rapidly available potassium in T4 soil is maximum. After plants are planted, the salt content of plough layer soil is reduced by 27.8%-33.6%, and the reduction effect of T5 is the maximum; by means of planting of the salt-tolerant plants, the salt content of the soil of the 30-60 cm soil layer is reduced by 17.0%-37.3%, and T2 is reduced most obviously. The method has the advantages that obvious desalting effects can be realized during planting of the plants, the desalting rates of the plough layer soil can reach 13.3%-20.3%, and T5, T2, T3 and T1 are 20.3%, 16.2%, 15.5% and 15.1% respectively.

The utility model discloses flocculation clarification sewage treatment equipment for sewage treatment, which relates to the technical field of sewage treatment and comprises a fixing frame, a treatment bin mechanism is fixedly connected to the inner wall of the fixing frame, and a flocculation stirring component is fixedly connected to one side of the top of the treatment bin mechanism. The end, close to the flocculation stirring assembly, of the top of the treatment bin mechanism is fixedly connected with a biological settling aid adding assembly, and the top of the biological settling aid adding assembly is fixedly connected with an anti-settling assembly. Through the arrangement of the sludge reduction bacterium adding assembly and the sludge reduction bacterium mixing assembly, when sludge generated after flocculent precipitation is treated, sludge reduction bacteria are uniformly mixed in the sludge, and organic matters in the sludge are converted into carbon dioxide through the sludge reduction bacteria, so that the sludge amount generated during flocculent clarification is reduced, and the sludge reduction effect is improved. Meanwhile, a biological settling aid is adopted as a flocculating agent, so that the used materials are more environment-friendly, the proportion of organic matters in the sludge is higher, and the sludge reduction effect is better.

The invention discloses a special ceramic material stress reduction device, and relates to the technical field of special ceramic materials, the special ceramic material stress reduction device comprises a vibration box, a vibration frequency adjustable mechanism is fixedly mounted on the inner wall of the vibration box, the vibration frequency adjustable mechanism comprises a fixing plate fixedly mounted on the bottom surface of the inner wall of the vibration box, and a first motor is fixedly mounted on the side wall of the fixing plate; a cam is fixedly installed at the driving end of the first motor, a first connecting rod is rotationally installed at the protruding position of the cam, and a second connecting rod and a third connecting rod are rotationally installed at the end, away from the cam, of the first connecting rod. According to the invention, the vibration frequency is changed by adjusting the length of the screw rod, the instability problem of an electric control system is avoided, and the reduction effect is optimized by adjusting the vibration frequency in different stages of ceramic material stress reduction. Low-frequency vibration is adopted in the initial stage to avoid cracks, the frequency is improved in the subsequent stage to reduce micro stress, and the performance and the service life of the ceramic material are ensured.

The application discloses a feed additive for reducing the content of behenic acid and erucic acid in animals, and belongs to the technical field of feed additives.The raw materials of the feed additive comprise astragalus membranaceus, spider enzyme, chebula, liquorice, broussonetia papyrifera stem and leaf and rice bran.The raw materials of the feed additive are reasonably matched, the content of behenic acid and erucic acid in animals can be reduced, and the feed additive can be widely applied in the breeding of livestock or poultry.The content of behenic acid and erucic acid in animals is reduced through the specific feed additive, so that the health of animals is promoted, the production performance is improved, the meat quality of animals is further improved, and the needs of people for high-quality life are better met.

The invention discloses a checkerboard metasurface structure and application thereof, and relates to the field of radiation wave reflection devices. According to the checkerboard metasurface structure, the first metasurface units and the second metasurface units with the 180-degree reflection phase difference are arranged in a staggered mode according to the checkerboard structure, the RCS can be reduced by 10 dB within the range of 7.4-15.0 GHz, the RCS can be reduced by 15 dB within the range of 7.9-14.3 GHz, and the checkerboard metasurface structure has the advantages of being wide in frequency band and good in RCS reduction effect and has important theoretical and practical application value.

The invention provides a multi-bit coding polarization conversion metasurface for RCS (radar cross section) reduction, which is used for realizing broadband radar cross section RCS reduction in a frequency band of 8-26GHz, the metasurface is composed of a chessboard type multi-bit coding array composed of M * M super units, each super unit comprises 4 * 4 metasurface units, the metasurface unit is of a symmetrical sandwich structure composed of a bidirectional arrow and a defective rectangular ring and sequentially comprises a metal copper layer, a dielectric layer and a metal copper layer from the upper layer to the bottom layer. Wherein eight types of metasurface units are obtained by regulating and controlling the width l2 of the defect rectangle with the phase difference theta. According to the coding metasurface, a better RCS reduction effect is achieved, and an effective solution is provided for reducing electromagnetic wave scattering.

The utility model relates to the technical field of automobile air conditioner, disclose a kind of air conditioner box mixed air ratio optimization temperature damper and air conditioner box based on door stop cooperation, and air conditioner box mixed air ratio optimization temperature damper based on door stop cooperation includes door stop and temperature damper. Door stop includes first door stop, second door stop and third door stop, and cold channel is between first door stop and third door stop, and hot channel is between third door stop and second door stop. Temperature damper includes damper body and baffle, and baffle is connected to one end of damper body in the moving direction of temperature damper and close to second door stop, and the length of baffle in the direction perpendicular to the moving direction of temperature damper is consistent with the length of damper body. When temperature damper leaves full cold position, baffle is used to reduce the gap between temperature damper and hot channel inner wall. Temperature damper moves to full hot position, and the projection of third door stop in the thickness direction of temperature damper covers baffle.

Provided is a method for producing an aqueous solution of a purified quaternary ammonium compound, characterized in that: the method is a method for producing an aqueous solution of a quaternary ammonium compound; the quaternary ammonium compound aqueous solution is obtained by bringing a crude quaternary ammonium compound aqueous solution, which contains a metal impurity and contains a specific quaternary ammonium ion in the amount of 1,000 ppm or less of organic impurities having a molecular weight of 1,000 g / mol or more, into contact with a cation exchange resin having a degree of crosslinking of 6 or more and a non-metal ion type counter ion.

The utility model relates to a kind of modularization assembly type high-efficiency cyclic anaerobic IC reaction device, self-cleaning uniform water distributor is laid in the mud bucket area of bottom in anaerobic IC reactor, and self-cleaning uniform water distributor includes: water distribution main pipe and multiple water distribution branch pipes at its lower end and around water distribution main pipe radially distributed, the open end of water distribution main pipe is communicated with water inlet pump through sewage pipe;Each water distribution branch pipe one end is open, and the other end is closed;The open end of each water distribution branch pipe is communicated with the inner chamber of water distribution main pipe, and each water distribution branch pipe is inclined downward, multiple water distribution holes with gradually increasing aperture are sequentially arranged on single water distribution branch pipe from open end to closed end direction, and the included angle between water distribution hole opening direction and opening point and the line connecting with center is 20 °~45 °. Advantageous effect is: ensure that water power is uniformly distributed, make bottom sludge present cyclone flow state, improve the expansion degree of reinforced expanded sludge, and simultaneously self-clean bottom sludge, prevent sludge deposition.

This invention discloses a pesticide reduction and enhancement adjuvant and its preparation method, belonging to the field of pesticide technology. The adjuvant is composed of 7-9 parts potassium oleate, 1-2 parts dipotassium hydrogen phosphate, and 1-2 parts 2-ethylidene-5-phenylvaleric acid. The preparation method involves stirring and mixing the components at room temperature to form a homogeneous solution. When used in combination with chemical pesticides such as triadimefon, carbendazim, and pyraclostrobin, this adjuvant can significantly enhance pesticide efficacy. Even with a 50%-80% reduction in chemical pesticide usage, the control efficacy remains above 90%, effectively reducing pesticide residues and environmental risks. This invention has the advantages of simple composition, low cost, and environmentally friendly process, and is suitable for reducing pesticide use and increasing efficiency in agricultural production.

The invention discloses a sewage treatment method and system based on ozone sludge conditioning, and the method comprises the following steps: sequentially carrying out activated sludge process treatment and precipitation treatment on sewage to obtain purified water and activated sludge; at least part of the activated sludge is subjected to ozone conditioning treatment, and a cracking product is obtained; the cracking product is used as a raw material for activated sludge process treatment; the ozone conditioning treatment comprises at least one time of contact treatment of the activated sludge and ozone in an environment with a magnetic field intensity of 5000-7000 Gs and a pressure of 0.5-0.7 MPa. The sewage treatment method based on ozone sludge conditioning provided by the invention has the characteristics of high ozone utilization rate and good sludge reduction effect.

The invention discloses a detachable activated sludge sterilization reactor which comprises a sterilization reactor body, a thrust ring is arranged on the inner side of the first end of the sterilization reactor body and connected with an outlet reducer, and an outlet flange is arranged at the end of the outlet reducer. The second end of the sterilization reactor body is provided with a first flange connecting part, a pressing ring and an inlet reducer, one end of the inlet reducer is provided with a second flange connecting part, and the other end is provided with an inlet flange; the compression ring is fastened and connected with a second flange connecting part of the inlet reducer through a first flange connecting part and a bolt, and a sterilization plate assembly is arranged between the thrust ring and the compression ring. The device disclosed by the invention can be suitable for various sludge reduction systems adopting an activated sludge sterilization and inactivation mechanism, the sterilization plate assembly is fully played to realize the inactivation and sterilization effects, and a good sludge reduction effect is realized; by disassembling the large and small heads at the inlet end, the sterilization plate assembly is convenient to disassemble and clean, the offline cleaning effect of the assembly is ensured, and long-term efficient use is achieved.

The invention belongs to the technical field of semiconductor power devices, and provides a variable capacitance diode and a preparation method. The variable capacitance diode comprises an N + substrate, an N-epitaxial layer, a first P + doped region, a second P + doped region, a dielectric layer, a front metal layer and a back metal layer, wherein the first P + doped region is annularly arranged above the N-epitaxial layer; the second P + doped region is circularly arranged above the N-epitaxial layer and is concentric with the first P + doped region, the diameter of the second P + doped region is larger than the outer diameter of the first P + doped region, and the depth of the second P + doped region is smaller than that of the first P + doped region; the first P + doped region and the second P + doped region are formed through two times of injection and annealing, and the injection energy and the injection dosage of the first P + doped region are larger than those of the second P + doped region. The depletion layer is widened along with the increase of voltage, the depletion layer of the second P + doped region and the depletion layer of the first P + doped region tend to be consistent, so that the capacitance reduction effect is obvious, and the capacitance ratio of the variable capacitance diode is effectively increased.

The invention discloses application of a brain-strengthening pill in preparation of a medicine for treating depression. The brain-strengthening pill is prepared from 20-35 parts of radix angelicae sinensis, 10-15 parts of tabasheer, 20-27 parts of herba cistanche, 10-15 parts of dens draconis, 20-27 parts of rhizoma dioscoreae, 10-15 parts of amber, 15-21 parts of fructus schizandrae, 5-8 parts of rhizoma gastrodiae, 4-6 parts of semen boitae, 5-8 parts of radix salviae miltiorrhizae, 15-21 parts of fructus alpiniae oxyphyllae, 5-8 parts of radix ginseng, 10-15 parts of radix polygalae, 5-8 parts of flos chrysanthemi and 10-15 parts of rhizoma anemones altaicae. , 7-11 parts of ochre, 10-15 parts of arisaema cum bile, 40-55 parts of semen ziziphi spinosae, and 20-27 parts of fructus lycii. The brain strengthening pill can improve depression symptoms from multiple mechanisms, shows a good prospect of clinical application, is further deeply studied, such as application of research methods of multiple omics and the like, defines effective components and action targets and action mechanisms of the effective components, and is of great significance to clinical popularization and new drug development.