35results about How to "The effect of the method is obvious" patented technology

The invention discloses a method for improving growth and drought-resistant ability of wheat by using arbuscular mycorrhizal fungi to bring the reciprocal symbiosis relation between AM fungi and host plants under drought stress into play reasonably and efficiently. According to the method, the AM fungi having a close symbiotic relation with the wheat are selectively used, and the symbiotic relation between the AM fungi and the wheat is built in a condition control mode to promote the wheat growth and improve drought adaptability. The AM fungi comprise one of glomus monosporum and acaulospora laevis, the two kinds of AM fungi are respectively propagated in an expanding mode in an expanding propagation matrix by using red clovers, and then two AM fungi inoculants and the wheat are cultured together in a symbiotic culture medium. The effective path for profitable symbiosis of the AM fungi and the host plants in adversity conditions is provided, the infection and symbiosis relation with the host plants of the AM fungi is improved in a man-made mode, and the yield of dry crops is improved.

The invention relates to an aluminium alloy or magnesium alloy lost mould casting pressuring solidification method and a device thereof, and the invention belongs to the field of special precision casting. The aluminium alloy or magnesium alloy lost mould casting pressuring solidification method comprises compacting, vacuuming, pouring, pressuring and depressurizing. A pressure resistant sand boxof the device is a cylinder-shaped container, the bottom is provided with an exhaust valve, and the inner lower part or the side wall is provided with a ventilation interlayer; the upper surface of acover of the pressure resistant sand box is respectively provided with a switch valve, a safety valve and a pressure gauge; and the side surface of the pressure resistant sand box or the cover of thepressure resistant sand box is provided with an intake pipe. The aluminium alloy or magnesium alloy lost mould casting pressuring solidification method can obviously reduce casting defects of shrinkage cavity, shrinkage porosity, and the like in aluminium alloy lost mould casting, can effectively reduce pinhole in the aluminium alloy, enhances density of the casting, thins alloy crystal grains, and improves the surface quality and mechanical property of the aluminium alloy or magnesium alloy lost mould casting. The device simplifies lost mould casting pressuring solidification technique, and low production cost, convenient operation, good sealing effect, short sealing time of the sand box and fast pressuring speed.

A water treating method for killing the flea kind of zooplanktons by use of O3 / H2O2 features that before the water is conventionally treated, the O3 and H2O2 are proportionally added to it and then stayed in water for 20-30 min.

The invention discloses a method and semiconductor for p-type doping of TMDCs based on PTFE, belonging to the technical field of advanced semiconductor devices. The method is as follows: transferring TMDCs material to a fluorine-containing ultra-flat PTFE substrate, thereby constructing a TMDs And the vertical heterointerface of PTFE, the interface has efficient hole doping regulation for TMDCs, by measuring the spectral structure and fluorescence lifetime of the transferred TMDCs, and characterizing the change of its energy band structure, it can be determined to realize the p-type of TMDCs Doping to obtain p-type doped TMDCs semiconductors, thus expanding the application in optoelectronic or electronic devices. The invention realizes the conversion of two-dimensional TMDCs from n-type to p-type doping at room temperature, and the adjustment effect is long-term, stable and suitable for large-scale production requirements. The method is easy to operate and has single atomic layer controllable doping accuracy. The strong electronegativity effect of fluorine compounds realizes the hole-doping type of 2D TMDCs.

Disclosed is a water processing method for complete eradication of chironomus larvas through ozone, the method comprises pre-letting ozone into primary water before conventional processing, the ozone charge amount in each litter of water is 2.5-3.0mg, the time of contact is 20-30 mins.

The invention provides a method for improving the light fastness of flame-retardant knitted fabrics, which effectively solves the problems of low light fastness and serious fading of traditional flame-retardant knitted fabrics. It includes the following steps: Step 1, dyeing; dyeing the knitted fabric lightly; Step 2, flame-retardant finishing; performing flame-retardant finishing on the knitted fabric in step 1 according to the normal process, so that the knitted fabric is endowed with fireproof and flame-retardant functions; Step 3, Padding and rolling treatment; the knitted fabric after flame retardant finishing in step 2 is subjected to padding and rolling treatment with live dyes, penetrants and dyeing catalysts; step 4, stacking; step 5, washing; step 4 The flame-retardant knitted fabric that has been piled up for a long time is washed in the overflow dyeing machine to wash away excess dyes and auxiliaries, and the fabric of the flame-retardant knitted fabric is retracted; step 6, setting and drying; step 7, padding again; Use the formaldehyde-free color-fixing agent to pad the flame-retardant knitted fabric after setting and drying in step six; further increase the fastness; step eight, test and compare; the effect of this method is obvious.

The invention discloses a method for improving condition of Sophora buds from golden Sophora japonica. The method comprises the following steps: (1) water is added into an enzyme deactivating apparatus, alkali lye is added, and heating is carried out; (2) water and alkali lye are added into the enzyme deactivating apparatus every two hours in the heating process of the step (1), in order to guarantee alkali lye in a pot is kept at a certain concentration, heating is carried out till water is boiled, Sophora buds are added into the enzyme deactivating apparatus for carrying out enzyme deactivation, boiling state is kept and enzyme deactivation is carried out for 12-15 minutes, and the product is obtained. The method has obvious effects, processed Sophora buds from golden Sophora japonica have golden yellow color, good condition, and high price.

The invention belongs to the field of artificial influenced weather and particularly relates to a method for influencing weather artificially on vegetation areas. The method comprises the following steps: (1), preparation of hail-suppression shells for the vegetation areas: each hail-suppression shell comprises a shell head and filler, the filler comprises substances in parts by weight as follows: 5-10 parts of super absorbent resin and 5-20 parts of fertilizers for vegetation, and the super absorbent resin is starch super absorbent resin or cellulose super absorbent resin; (2), preparation of a catalyst for the vegetation areas: the catalyst comprises substances in parts by weight as follows: 5-20 parts of salt A and 5-8 parts of salt B; (3), subduction of ice nucleuses in cloud layers: the hail-suppression shells are ejected above the cloud layers through anti-aircraft artilleries, and the catalyst is uniformly ejected into the cloud layers by the anti-aircraft artilleries after 10-20 min. According to the method for influencing the weather artificially, the quantity of the catalyst and the hail-suppression shells is small, the effect is good, and no pollution is caused to the environment.

The present invention relates to coal additive and method for raising coke output and performance. The coal additive contains surface activating catalyst, co-solvent, permeation assistant and solvent. When the coal additive is used, the surface activating catalyst is dissolved in the solvent, added into coal through a specific mode, and distributed on the surface of coal and inside coal under the action of the permeation assistant. During producing coke, the coal additive is heated and the volatile component is separated out, to raise the output and performance of the produced coke. The high performance coke may be used in coal burning, dry distilling, gasifying, liquefying and other fields. The present invention can reach the aims of raising the utilization rate of coal, saving coal resource, reducing pollutant, etc.

The invention provides an aspirin enteric coated tablet with low content of free salicylic acid. A given amount of tartaric acid is added in the recipe of a tablet core, and the content of the free salicylic acid is effectively lowered. The invention provides an improved process. The invention has simple, convenient and easy method and is suitable for industrialized production.

The invention discloses a sine wave power source satisfying inductive load frequent connection and disconnection. The sine wave power source comprises a sine wave generating module, the sine wave signal conditioning circuit and a D type power amplifier circuit, a DDS numerical frequency compounding technology is adopted to generate a sine wave signal with a needed frequency, and the sine wave signal is sent to a sine wave signal conditioning circuit; the sine wave signal conditioning circuit removes a direct current component in the sine wave signal generated by the sine wave generating module, amplifies the amplitude value of the sine wave signal and conducts change to obtain two sets of sine wave signals of which the amplitude value is the same and the phase difference is 180 degrees, then two sets of sine wave signals are transferred to a subsequent first D type power amplifier circuit and second D type power amplifier circuit in sequence to be processed; the D type amplifier circuit is used for amplifying power, processing a signal of each of the two sets of sine wave signals of which the amplitude value is the same and the phase difference is 180 degrees and then transferringthe processed signal to a power source and an inductive load. Through the principle, the sine wave power source can be utilized in the environment in which it is required that the output load of the inductive load is large, and a sine wave power source is continuously connected and disconnected.

The invention discloses an insulation method for preventing a metal screw or a bolt from generating magnetic flux leakage linkage circulation; the insulation method is characterized by comprising the following steps of wrapping the middle of the screw or the bolt by weft-free glass filaments with thickness of 1-4mm, using thermosetting insulation resin for infiltrating the glass filaments to forman insulation layer, and processing the surface after the insulation layer is solidified so as to lead the surface to be smooth and lead the outer diameter size of the screw or the bolt insulated by wrapping to be capable of extending into the hole of a structure part flange; and the insulation layer separates the structure part from one section of the middle part of the screw.