34results about How to "Structural change" patented technology

The battery holder disposes plates between parallel oriented batteries, and holds batteries in specified positions. The battery holder is provided with L-shaped holders each having the form of a first plate and second plate connected at a right angle corner and having an L-shaped lateral cross-section, and flat-plate holders that connect with the L-shaped holders and have an overall planar form. An L-shaped holder has connecting holes on the outside of the corner between the first plate and second plate. Further, the outer edge of the first plate opposite the corner is provided with first connecting tabs that can connect with connecting holes of another L-shaped holder. A flat-plate holder is provided with second connecting tabs on at least one side edge that connect with connecting holes of an L-shaped holder.

The invention discloses a method for preparing gasified coal water slurry by utilizing lignite, comprising the following steps: isolating the lignite which is taken as a raw material from air and heating at the temperature of 600-900 DEG C to obtain a lignite semicoke product suitable for preparing the coal water slurry, coal tar and retort gas; taking the lignite semicoke; grinding the lignite semicoke in a ball grinding mill into two kinds of coke powders with different particle sizes; grading the two kinds of ground coke powers in different proportion and evenly mixing to prepare a stand-by pulping raw material; adding naphthalene additive and water in the stand-by pulping raw material; and stirring to prepare the lignite coal water slurry. In the method of the invention, dry distillation process is utilized, firstly tar with high addition value in the lignite is extracted to obtain high-quality retort gas and simultaneously obtain lignite semicoke the structure and the performanceof which are beneficial for pulping, thus improving the utilization value of the lignite and realizing the comprehensive utilization of the lignite.

The present invention relates to a bulb structure, which comprises a bulb base, a pole member, a transmission base, and a plurality of lamp leaves. One end of the pole member is disposed at the bulb base. The transmission base is disposed at the other end of the pole member. The plurality of lamp leaves are disposed pivotally surrounding the transmission base and located surrounding the pole member. The plurality of lamp leaves pivot on the transmission base and move away from the pole member. The bulb structure according to the present invention includes two lighting patterns. The lamp leaves may spread or close. Thereby, different lighting ranges may be provided.

The invention discloses a bus suction-resisting bracket, and a suction-resisting bracket (10) is arranged between direct current buses (1) at the inner side; the suction-resisting bracket (10) is a frame-shaped structure and manufactured by welding profile steel, the interior of the suction-resisting bracket (10) is provided with a forked support (12), the length of a lapping arm (11) at the top of the suction-resisting bracket (10) is larger than the spacing between buses, and the left end length and the right end length of the lapping arm lapped at the top of the bus are respectively not less than the half thickness of the lapped bus; and the length of the suction-resisting bracket (10) below the lapping arm (11) is not smaller than 2/3 of the height of the bus. The exterior of the used profile steel is brushed with antirust paint or hot galvanized. The bus suction-resisting bracket has small occupied area, low manufacturing cost, simple structure, good use effect and convenient manufacturing, installation and maintenance. By adopting the bus suction-resisting bracket, the whole structure of the bus is firm, and the connecting position of a post insulator and a bus bolt has no looseness and damage. The bracket is mainly installed between like-polarity direct current buses which are parallel and arranged with equal height.

The invention relates to the field of food packaging, in particular to a food packaging material capable of keeping fresh and resisting bacteria for a long time. The invention discloses a food packaging material capable of keeping fresh for a long time and resisting bacteria. the material is prepared from the following specific components in parts by weight: 10 to 80 parts of polylactic acid, 10 to 50 parts of polycaprolactone, 10 to 30 parts of polymethyl ethylene carbonate, 5 to 20 parts of chitosan, 1 to 8 parts of gelatin, 0.1 to 1 part of fennel leaf extract, 0.5 to 3 parts of Ti powder,0.1 to 2 parts of AlCl3 particles and 1 to 5 parts of a plasticizer. According to the invention, the problem that the application of the traditional disinfectant or antibacterial agent in food packaging is limited due to certain toxicity is solved. The food packaging material disclosed by the invention not only has good fresh-keeping and antibacterial effects, but also has excellent mechanical properties, and is an environment-friendly product which is non-toxic to human bodies and is environment-friendly.

The invention discloses a preparation method of a sulfur-carbon-based solid acid catalyst. According to the method, a carbon source and a sulfur source are used as raw materials to react to obtain a dark solid product, the dark solid with different sulfur-containing groups is placed in an oxidizing solution or an alkaline solution, the sulfur-carbon-based solid acid catalyst is prepared after reaction, and the solid catalyst has sulfonic acid groups and other sulfur-containing groups.

The invention relates to the field of bridge engineering and discloses a system for improving carrying capacity of continuous beam bridge girders. The system comprises at least one pair of arch ribs, a plurality of beams, and a plurality of vertically-arranged hanger rods, wherein two arch ribs of each pair of arch ribs are parallel to each other and arranged at intervals, the arch ribs are arranged along the longitudinal direction of the bridge girder, and the two arch ribs of each pair of arch ribs are symmetrically disposed on both sides of a main bridge girder; the beams are laterally and uniformly arranged along the longitudinal direction of the ribs and disposed on the underside of the main bridge girder, and both ends of the beams stretch out of the main bridge girder and stretching parts are formed; a hanger rob is fixed on each stretching part of each beams, one end of the hanger rod is connected with the stretching part, and the other end of the hanger rod is connected with the arch rib at the same side. The invention further discloses bridge girders with the system for improving carrying capacity of a continuous beam bridge girder. The system for improving carrying capacity of continuous beam bridge girders and bridge girders with same can effectively improve the structural stiffness of continuous beam bridges and improve the carrying capacity of bridge girders.

The invention discloses a Stilbene analogue containing a thiazole ring structure and a synthesis method and application thereof. The structural formula of the Stilbene analogue containing a thiazole ring structure is shown as a formula (I), wherein in the formula (I), H on a benzene ring is mono-substituted, disubstituted or unsubstituted by substituents R; n is an integer greater than or equal to0 and smaller than or equal to 2 and represents the number of the substituents R on the benzene ring; when n is equal to 0, it indicates that H on the benzene ring is not substituted; when n is equalto 1, it indicates that H on the benzene ring is mono-substituted by the substituents R; when n is equal to 2, H on the benzene ring is disubstituted by the substituents R, and the substituents R atdifferent substitution positions are the same or different; the substituents R are selected from hydrogen, C1-C4 alkyl, C1-C3 haloalkyl and C1-C3 alkoxy or halogen. The provided Stilbene analogue containing the thiazole ring structure is simple in preparation process and shows certain anti-tumor activity.

The invention discloses an air filtering structure layer, an air purifier, a mask and a preparation method of the air filtering structure layer. The air filtering structure layer comprises two antimicrobial alloy filter layers, an electrostatic adsorption layer is arranged between the two antimicrobial alloy filter layers, and each antimicrobial alloy filter layer is a porous filter block preparedfrom an antimicrobial alloy by virtue of a metal sintering or electrochemical deposition technology; and a hydrophobic coating is arranged on one side of one of the antimicrobial alloy filter layers.Treatment using high-temperature, ultraviolet, and disinfectants such as alcohol does not reduce the air filtering effect, and the air filtering material can be repeatedly used, is mainly used for filtering PM2.5 dust, bacteria, viruses and the like, and has certain antimicrobial capacity.

The invention discloses a planting method for preventing and treating verticillium wilt of alfalfa, and belongs to the technical field of forage grass planting.According to the planting method, seed germination accelerating and sterilization are carried out before sowing.The planting method is characterized in that a treatment method includes the steps of firstly, presoaking, wherein screened seeds are presoaked for 2-3 h with a 30-45 DEG C warm salt solution and then put into 55 DEG C warm water to be soaked for 15 min; secondly, ultrasonic treatment, wherein the presoaked seeds are subjected to ultrasonic oscillation for 15-30 min; thirdly, cooling, wherein the seeds obtained after ultrasonic treatment are transferred into cold water to be cooled to the room temperature and then air-dried; fourthly, seed sealing, wherein the cooled and air-dried seeds are completely wrapped with byssus to be sealed for 10-15 h so that moisture in the seeds can be redistributed; fifthly, seed dressing, wherein seed dressing is carried out with an agent compound prepared from 50% benomyl wettable powder, gibberellin, attapulgite and bean straw powder.The planting method has the advantages that as the seeds are sown after being treated, the emergence rate reaches 97% or above, the incidence rate is not higher than 7%, and especially the incidence rate of verticillium wilt is not higher than 1.5%.

The invention provides a battery device which is used for supplying power to an electric forklift. The electric forklift is provided with a receiving port for receiving a first specification current, and the battery device comprises a battery body which is provided with a charging port for receiving a second specification current and a discharging port for outputting the first specification current. A discharging unit is composed of the battery body and the discharging port of the battery body and connected to the receiving port through a cable of the electric forklift and a connector to provide the first specification current for a load of the electric forklift. A charging unit is composed of the battery body and the charging port of the battery body and connected to a charging machine to receive the second specification current output by the charging machine to charge the battery device. According to the battery device and the electric forklift with the battery device, the parallel structure of a charging loop and a discharging loop is adopted, so that it is guaranteed that the structure of an original electric forklift system is not changed, the charging current can be greatly improved, the charging time can be shortened, and the using efficiency of the electric forklift can be improved.

A highly-integrated low-temperature stop valve with an overflowing function comprises an overflowing valve assembly, a connecting tube, a valve body, a valve cover and a hand wheel, wherein the overflowing valve assembly is connected to the valve body in an embedded mode through straight threads, so that a gas cylinder connecting pipeline is minimized, and the diameter of a valve passage is maximized; one end of the connecting tube is welded to the valve body, and the other end of the connecting tube is welded with a boosting liquid outlet of the gas cylinder; the hand wheel is in threaded connection to the valve body, and the valve body between the valve body and the overflow valve assembly is of a structure inclining outwards by 45 degrees, so that the hand wheel achieves the outward inclination angle of 135 degrees to the maximum degree.

The invention relates to a soil improvement agent, and particularly relates to a mineral soil improvement agent and preparation and application thereof. The mineral soil improvement agent suitable for sandy land comprises the following components in percentage by weight: 30%-50% of limestone, 10%-20% of humic acid, 10%-20% of kaolin, 10%-20% of zeolite, 1%-3% of mastix, 1%-3% of chingma abutilon seeds, 1%-5% of fiveleaf akebia, 5%-10% of radix curcumae and 1%-5% of fructus toosendan, or the mineral soil improvement agent suitable for saline-alkali land comprises the following components in percentage by weight: 40%-50% of limestone, 10%-20% of diatomite, 10%-30% of humic acid, 1%-3% of mastix, 1%-5% of chingma abutilon seeds, 1%-5% of fiveleaf akebia, 1%-5% of semen plantaginis and 1%-5% of herba lycopi. The soil improvement agent disclosed by the invention is mainly used for improving the sandy land and the saline-alkali land, thereby solving the problem of land desertification. The soil improvement agent disclosed by the invention is capable of changing the soil structure by organically synthesizing mineral substances and Chinese herbal medicines and reacting through mutual activation under certain condition according to soil property by taking ecological equilibrium as a rule.

The invention belongs to the field of a biological material, and particularly relates to a stent material used for cell storage proliferation and a preparation method thereof. PEG is used for being synthesized into PEG-uramido pyrimidone-imine supermolecules by a click method; glutin is added; hexafluoroisopropanol is used for preparing a clear solution; high-voltage electrostatic spinning is usedfor preparing a fiber thin film; finally, the fiber thin film is soaked in a culture solution; cells are transplanted; the material can be used as a stent. A stable physical crosslinking gel system is used; the problem of too high material degradation or dissolution speed at present is solved.