31results about How to "Unlimited usage" patented technology

The invention discloses an electric intelligent switching sliding sleeve. The electric intelligent switching sliding sleeve comprises an upper adapter connector, a hydraulic piston, a first pipe joint connector, a second pipe joint connector, a power piston, a sliding sleeve outer casing, a sliding sleeve core, a lower adapter connector and a circuit control module. The hydraulic piston is mounted on the first pipe joint connector in a sleeved mode, the lower end of the hydraulic piston, the inner wall of the upper adapter connecter and the outer wall of the first pipe joint connector form a hydraulic pressure cavity, a drainage cavity is further arranged between the upper adapter connector the first pipe joint connector, the lower end of the power piston is connected with the sliding sleeve core, and the periphery of the power piston is provided with flanges for being configured with the second pipe joint connector in a seal mode. The electric intelligent switching sliding sleeve can achieve the full drift diameter of the inner diameter of a string and the usage number of the electric switching sliding sleeve is unlimited, accordingly the staged fracturing of horizontal wells and vertical wells is not limited by the number of stages, the construction process is simple and reliable, the reciprocating dragging of the string can be avoided and the construction cost can be saved.

The invention relates to a pharmaceutical composition containing ibrutinib. The pharmaceutical composition is prepared from, by weight, 13-15 parts of ibrutinib, 30-50 parts of solvent, 20-30 parts of solubilizer, 8-12 parts of filler, 6-10 parts of disintegrant and 21-26 parts of officinal organic acid, wherein the solvent is glycerolformal, and the officinal organic acid is a mixture of oleic acid and glyceryl monooleate based on the mass ratio of (1.7-2.1):1. The pharmaceutical composition containing ibrutinib has the advantages that compared with traditional pharmaceutical compositions, the variety of the solvent in the formula is changed, glycerolformal which is high in safety performance serves as the solvent with dosage unlimited, and multiple medicines are soluble in glycerolformal; meanwhile, due to the fact that the officinal organic acid is a mixture of oleic acid and glyceryl monooleate, the pharmaceutical composition containing ibrutinib is more stable and simpler than traditional pharmaceutical compositions adopting single officinal organic acid.

The invention provides a carrot extract, which is prepared by taking carrots as raw materials, and subjecting the raw materials to dry processing, modulation treatment, solvent extraction, extracted solution concentration and other steps. The carrot extract has a liquid, paste or powder appearance. The modulation treatment method includes insolating, natural mellowing, fermentation, baking, ultraviolet treatment and ozone treatment. The carrot extract can be added as a spice or a mellowing agent into tobacco products, and can enhance the pure and mild degrees of tobacco fragrance, highlight the fresh and sweet fragrance of tobaccos, cover up offensive gas, reduce irritation and improve taste. The carrot extract can also improve the tobacco color, promote tobacco mellowing, and enhance the usability of upper tobaccos. The method involved in the invention performs modulation treatment to the carrot raw materials before extraction so as to promote the degradation conversion of saccharides, terpenoid substances like carotenoids and other fragrance precursors in carrots and the formation of fragrance, thereby significantly improving the use effects of the extract. The raw material utilization rate is high, and the process is simple. The product is free of harmful additive residue, and is safe to use.

The invention relates to a method for scanning a coloured surface (2) of a tile and a device which actuates the method. The device (1 ) for scanning a coloured surface (2) of a tile (3) comprises a matrix of photodetectors (4) comprising a plurality of rows of photodetectors (5) which are parallel and placed side by side, the matrix of photodetectors (4) does not comprise any colour filter above the photodetectors (4) and the rows of photodetectors (5) are near each other and spaced by a distance equal to at least one pixel; the matrix of photodetectors (4) is arranged such as to acquire, in synchrony with a temporal scanning interval, an image of a surface band (6) of a coloured surface (2) to be scanned of a tile (3). The device also comprises: a plurality of lamps (7) each having a light emission spectrum different from a light emission spectrum of another lamp of the plurality of lamps (7); the lamps of the plurality of lamps (7) being arranged such as to illuminate the surface band (6) of the coloured surface (2) to be scanned of the tile (3); the lamps of the plurality of lamps (7) being commandable to switch on at least one at a time at each temporal scanning interval; conveyor means (8) provided for restingly receive and transport the tile (3) to be scanned and for determining a relative movement between the tile (3), on a side, and the matrix of photodetectors (4) and the plurality of lamps (7), on the other side, in a movement direction which is perpendicular to the plurality of rows of photodetectors (5) such that for each surface band (6) of the coloured surface (2) to be scanned of the tile (3) a predetermined number of images is acquired.

The invention provides a preparation method for producing a meat flavor seasoning. The method comprises the following steps: employing protease as a biocatalyst, decomposing meat protein into a digest containing a plurality of amino acids and peptides, adding adjuvant, and homogenizing to prepare sauced or powdery natural meat flavor seasoning after spray drying; in the method, reaction conditions (temperature, pH value and the like) of an enzymolysis method are mild and easily controlled, thus effectively reducing process difficulty and energy consumption. In addition, an enzyme reaction has high efficiency, and the protein is decomposed to improve nutritive value for easy digestion and absorption; meanwhile, flavor of the seasoning can be further improved by a temperature controlling reaction. Therefore, the meat flavor seasoning produced by the enzymolysis method is also characterized by: 1. natural meat flavor and taste, enriched meat flavor and perfect delicate flavor; 2. rich nutrition; 3. stable quality and wide use range; and 4. convenient use and unrestricted consumption.

The invention discloses a reinforced and soundproof building waterproofing agent, and a preparation method and application thereof. The reinforced and soundpoof building waterproofing agent comprisesthe following components in parts by mass: 24 to 36 parts of an acrylate polymer emulsion, 6.5 to 10.5 parts of biomass superfine fiber powder, 7 to 15 parts of a carbon material, 8 to 12 parts of a silicon-containing material, 15 to 25 parts of fluffy high-strength resin and 16.5 to 54.5 parts of a solvent. According to the application of the reinforced and soundproof building waterproofing agent, the reinforced and soundproof building waterproofing agent is arranged on concrete, wherein the contact angle between the concrete and water is 159 degrees, and noise is reduced by about 10.5 dB. The reinforced and soundproof building waterproofing agent provided by the invention adopts environmentally-friendly raw materials, especially the biomass superfine powder taken from plants, so the costis reduced, and the safety of the building waterproofing agent is further improved.

The invention relates to a mung bean teeth-cleaning and mouth-perfuming chewable tablet and a production method thereof, belongs to the technology of food processing. The chewable tablet is tablet type healthy mung bean food in the form which is prepared from main raw materials including mung bean hulls, mung bean sprouts and mushrooms which are subjected to treatment of microwave crisping, granularity adjustment, mixing, tabletting and the like. The chewable tablet is good in organoleptic quality, rich in multiple types of nutrient contents such as dietary fiber, protein, carbohydrate, amino acids, vitamins and mineral substances and unique in flavor, and has functions of cleaning teeth, removing the bad breath and freshening the breath. The chewable tablet disclosed by the invention realizes the full utilization of mung bean resources, is free from additives such as gum substrate, a flavoring agent, a thinner, a lubricant and a binder; the chewable tablet, is completely mad from food-grade raw materials, is safe to eat, and is free from toxic and side effects after long-term consumption. The production process is moderate in condition, and free from pollution, waste residue, waste gas and hazardous substances; the chewable tablet, which is free from any chemical reagent, is safe to eat.

The invention relates to a method for improving hot-melt wall adhesion of traditional Chinese medicines or food raw materials during spray drying. The method comprises the following steps: adding anyone or more small molecule peptides as auxiliary materials into a to-be-dried solution with the solid content of 2-50%, uniformly stirring and dispersing, and carrying out spray drying under a stirring condition, wherein the dosage of the added auxiliary materials is 5-30% of the solid content of the to-be-dried solution. The auxiliary materials are safe, the release of main components of the medicine is not interfered, the application range is wide, the obtained product is good in solubility, and the problem of hot-melt wall adhesion in the spray drying process can be effectively solved. Theinvention also provides application of the small molecule peptide in improving hot-melt wall adhesion of traditional Chinese medicines or food raw materials during spray drying.

The invention discloses a bionic three-dimensional scaffold for promoting bone defect repair and a preparation method thereof. The scaffold is formed by compounding two units, wherein one unit is an inner-layer scaffold, is a three-dimensional porous scaffold with an inverse opal structure and is of a columnar structure, and a diameter and a height of the inner-layer scaffold can be adjusted according to a diameter and a defect part of a bone; and the other unit is an outer-layer scaffold, is an electrostatic spinning nanofiber film and wraps an outer part of the inner-layer scaffold, and a size of the film can be cut as required. The bionic three-dimensional scaffold simulates bone structure, a nanofiber multilayer structure on the outer layer simulates bone cortex, and the porous scaffold on the inner layer can allow bone marrow to pass and provide a suitable place for cell adhesion, and the bionic three-dimensional scaffold can promote bone repair and functional reconstruction. By controlling a size of the inner-layer scaffold and a size of the outer-layer film, a size of the bionic three-dimensional scaffold can be flexibly adjusted to meet needs of bone defects of different lengths.

The invention discloses a metal powder storage system and a using method thereof. According to the system, storage tanks in a discharging system is connected with inert gas, a vacuum pump and the atmosphere, micro-positive pressure environment can be ensured in the storage tank, compared with a vacuumized negative-pressure storage method, contact with air can be avoided more favorably, the systemis particularly suitable for long-term storage of metal powder such as titanium alloy, aluminum alloy and magnesium alloy which are easy to oxidize, according to the system, the plurality of storage tanks can be arranged according to actual requirements, various types of metal powder can be placed between different storage tanks, each storage tank is provided with a respective control valve so that the storage tanks can be independently controlled; and secondly, by adopting the storage tanks to store the metal powder, the metal powder of the same material can be added in batches at a time andcan be taken and used according to the quantity anytime and anywhere, so that the risk that after a vacuum fixed package is opened, redundant unused new metal powder repeatedly makes contact with theair and is polluted is avoided.

The invention provides a multi-transformer combined ultrahigh voltage generation device and relates to a high-voltage power supply device. The multi-transformer combined ultrahigh voltage generation device is composed of a relay transformer unit and a plurality of high-voltage transformer units, wherein the relay transformer unit comprises a primary side coil and a secondary side coil, and the primary side coil is arranged on an inner layer; each high-voltage transformer unit comprises a primary coil and a secondary high-voltage coil, and the secondary high-voltage coil is arranged on an outer layer; the primary coils of all the high-voltage transformer units are connected with one another to form a primary side electric circuit; the secondary high-voltage coils of all the high-voltage transformer units are overlapped with one another forwardly to be output; the secondary side coil of the relay transformer unit is connected with the plurality of high-voltage transformer units to form a primary side electric circuit. With the adoption of the multi-transformer combined ultrahigh voltage generation device, high voltage generated by the secondary high-voltage coils of the plurality of high-voltage transformers are overlapped to ultrahigh voltage to be output, so that the requirement on long-distance arc strike of a plasma device is met.

The invention relates to the technical field of combustors, in particular to a multistage energy-saving large-impulse multifuel-combustion combustor. The multistage energy-saving large-impulse multifuel-combustion combustor comprises a combustion shell body and the combustion shell body comprises a first shell body, a second shell body and a third shell body; one end of a coal gas pipe is arrangedat the left side of the first shell body and communicates into the combustion shell body; one end is arranged at the lower end of the outer surface of the first shell body and the other end communicates into the coal gas pipe; one end of a secondary air pipeline is arranged at the upper end of the outer surface of the first shell body and the other end of the secondary air pipeline communicates into the coal gas pipe; one end of a tertiary air pipeline is arranged at the upper end of the outer surface of the second shell body and the other end of the tertiary air pipeline communicates into the coal gas pipe; injection devices are arranged in both of a primary air pipeline and the tertiary air pipeline; one end of a flue gas pipe is arranged at the upper end of the outer surface of a cylinder part of the third shell body and the other end of the flue gas pipe communicates into the coal gas pipe. By means of the combustor, the high-temperature flue gas of a submerged arc furnace can bedirectly and effectively utilized, and the length and strength of flame can be flexibly adjusted by the ratio of center injection primary air, secondary air and tertiary flue gas injection air.

The invention discloses crab cream powder and a preparation method thereof. The crab cream powder disclosed by the invention comprises the following components in percentage by weight: 22-30% of crab meat extracts, 1-5% of egg yolk powder, 0.1-0.3% of crab meat essence, 2-6% of soy sauce powder, 0.3-0.7% of ginger powder, 0.2-3% of garlic powder, 5.5-9.5% of dextrin, 0.1-0.5% of chili oil, 4-8% of dust salt, 25-29% of a sweetening agent, 22-30% of a freshening agent, 0.1-0.3% of curcumin and 0.1-0.4% of an anticaking agent. The crab cream powder disclosed by the invention has the taste and the fragrance of natural crab meat and natural crab cream and is heavy in meat flavor, delicious in taste, safe, healthy, rich in nutrition, long in quality guarantee period and convenient to use.

The invention discloses a secondary-stage drug release vaginal administration preparation comprising the following components: an active ingredient immediate release granule and an active ingredient sustained release granule, wherein the active ingredient immediate release granule comprises an acid source granule and an alkali source granule, and the active ingredient sustained release granule includes a wetting agent and an adhesive. The secondary-stage drug release vaginal administration preparation mainly consists of a sustained-release part and an immediate-release part, and the immediate-release part rapidly releases part of a medicine by the principle of effervescence, and can quickly act on a local lesion of vaginal inflammation, and the slow-release part allows a slow-release skeleton to absorb water to swell to form a gel by the effects of the wetting agent, then adsorbed on the mucosa of the inner wall of the vagina to slowly release the medicine so as to achieve the functionof releasing the medicine for a long time, reducing the number of times of administration, and increasing patient compliance.

The invention relates to the industrial field and discloses a large-diameter pipeline for an efficient heat exchanger. A plurality of turbulence devices are arranged inside the pipeline. The outer wall of the pipeline is provided with axial protrusions for increasing radiating area, and the protrusions can be in any shape. The pipeline is made of high thermal conductivity material, such as stainless steel and aluminum alloy. The cross section of the pipeline can be in any regular or irregular shapes, such as round, square, diamond and trapezoid, and the longitudinal section can also be in any shapes. The turbulence devices are connected with the inner wall of the pipeline and are arranged optionally. The turbulence devices are planar sheets or curved-surface sheets in any shape, and the included angle between the turbulence devices and the waterflow direction is smaller than 90 DEG. The turbulence devices occupy less than two thirds of the diametric section. The pipeline high in thermal conductivity and specific surface area quickly exchanges heat with outside to allow heat carrier in the pipeline to fully contact with the inner surface of the pipeline, so that higher heat exchange efficiency is achieved. The efficient heat exchanger is simple in structure, low in pipeline pressure loss and attractive in appearance.

The invention belongs to the field of medicinal chemistry, and relates to a preparation method of cephalosporins hydroxyl oxime sodium crystal with high purity and good stability. The preparation method comprises the steps that cephalosporins hydroxyl oxime acid reacts with a salt forming agent sodium acetate through an emulsion interface to form salt, and then the cephalosporins hydroxyl oxime sodium crystal is separated out by adding an anti-solvent. According to the preparation method of the cephalosporins hydroxyl oxime sodium crystal, the prepared cephalosporins hydroxyl oxime sodium crystal is high in purity and good in stability, thus the safety performance can be better, the antibacterial action function is achieved for gram-positive and gram-negative bacteria, and the cephalosporins hydroxyl oxime sodium crystal might be used for infection of respiratory tract, urinary tract, skin, soft tissue and the like.

An auxiliary wheel assembly mounted on a selected portion of a wheelbarrow comprising: several structural members namely a urethane receptacle barrow, a front support and dual swivel wheel assembly, a dual rear support and wheel assembly with a plurality of heavy duty wheels, and a means to connect these front and rear assemblies and barrow. The various component members are potentially made of various materials and are designed for original equipment offerings or aftermarket additions to currently produced wheel barrows.

The invention discloses an electric intelligent switching sliding sleeve. The electric intelligent switching sliding sleeve comprises an upper adapter connector, a hydraulic piston, a first pipe joint connector, a second pipe joint connector, a power piston, a sliding sleeve outer casing, a sliding sleeve core, a lower adapter connector and a circuit control module. The hydraulic piston is mounted on the first pipe joint connector in a sleeved mode, the lower end of the hydraulic piston, the inner wall of the upper adapter connecter and the outer wall of the first pipe joint connector form a hydraulic pressure cavity, a drainage cavity is further arranged between the upper adapter connector the first pipe joint connector, the lower end of the power piston is connected with the sliding sleeve core, and the periphery of the power piston is provided with flanges for being configured with the second pipe joint connector in a seal mode. The electric intelligent switching sliding sleeve can achieve the full drift diameter of the inner diameter of a string and the usage number of the electric switching sliding sleeve is unlimited, accordingly the staged fracturing of horizontal wells and vertical wells is not limited by the number of stages, the construction process is simple and reliable, the reciprocating dragging of the string can be avoided and the construction cost can be saved.

The invention relates to mung bean tooth-cleaning chewable tablet and a production method thereof, belonging to food processing technology. Mung bean skin, mung bean sprouts, and shiitake mushrooms are used as main raw materials to prepare tablet mung bean health food through microwave embrittlement, particle size adjustment, blending, and tableting. The product has good sensory quality and is rich in dietary fiber, protein, carbohydrates, Amino acids, vitamins, minerals and other nutritional ingredients, the product has a special flavor and the effect of cleaning teeth, eliminating oral odor, and refreshing breath. The invention makes full use of mung bean resources, and the product does not contain any additives such as gum base, flavoring agent, diluent, lubricant, adhesive, etc., and is all made of food-grade raw materials, which is safe to eat and has no toxic and side effects for long-term consumption. The production process has mild conditions, no pollution, no waste residue, waste steam and harmful substances; no chemical reagents are used, and the product is safe to eat.

The invention belongs to the field of medicinal chemistry, and relates to a preparation method of cephalosporins hydroxyl oxime sodium crystal with high purity and good stability. The preparation method comprises the steps that cephalosporins hydroxyl oxime acid reacts with a salt forming agent sodium acetate through an emulsion interface to form salt, and then the cephalosporins hydroxyl oxime sodium crystal is separated out by adding an anti-solvent. According to the preparation method of the cephalosporins hydroxyl oxime sodium crystal, the prepared cephalosporins hydroxyl oxime sodium crystal is high in purity and good in stability, thus the safety performance can be better, the antibacterial action function is achieved for gram-positive and gram-negative bacteria, and the cephalosporins hydroxyl oxime sodium crystal might be used for infection of respiratory tract, urinary tract, skin, soft tissue and the like.

The invention discloses a universal stand for an operating table for intraoperative radiography, and relates to the field of medical instruments. The universal stand is fixed to a clamping buckle of the operating table and comprises a connecting rod, a front-end bracket, a tail-end bracket and bearing supports, wherein one end of the connecting rod is inserted into the clamping buckle and locked by the clamping buckle, and a ball-and-socket joint is fixed to the other end of the connecting rod; one end of the front-end bracket is fixedly connected with the ball-and-socket joint; a clamping device is fixed to the tail-end bracket; and the bearing supports are connected end to end to form a bearing support chain, the other end of the front-end bracket is connected with the tail-end bracket through the bearing support chain, the connecting positions are all in rotatable connection, and locking mechanisms are fixed to the connecting positions. The universal stand is used for assisting in clamping image plates such as an IP plate and the like for the intraoperative radiography, in the process of fracture intraoperative radiography, the mobility of the IP plate is improved, and in cooperation with the perspective angle of shooting equipment for the intraoperative radiography and the observation and operation angle of medical staff, a patient can obtain a standard shooting position at any position such as a horizontal position or a lateral position and the like, and the comfort of the patient is ensured.

The invention relates to agricultural machinery and particularly relates to a sandworm harvesting and sowing machine. The sandworm harvesting and sowing machine comprises a mounting platform, a push shovel, a conveyor belt, a filtering frame and a submersible pump, wherein the mounting platform is a movable platform with a crawler walking device; one push shovel is mounted at the front end of the mounting platform through a mounting bracket with two sides which stretch out frontwards; the conveyor belt is arranged at the top of the mounting platform; the filtering frame is mounted on the end face of the tail end of the mounting platform; a spraying pipe is transversely inserted into a frame body; the base part of the spraying pipe is connected with a water pipe; the water pipe penetrates through the side face of the mounting platform and is connected with the submersible pump; the submersible pump is mounted on a boat bottom of a boat with a power device through a mounting framework; sandworms harvested through an earthmover type harvesting method are relatively complete and rarely have broken head and crushing conditions; sand is removed by spraying seawater; and a sowing mechanism is arranged so that the sandworms are sowed on a harvested sand beach at the same time, and the sustainable development is realized.

The invention discloses a flame-retardant and acid-resistant building waterproofing agent and a preparation method thereof. The flame-retardant and acid-resistant building waterproofing agent comprises the following raw materials in parts by weight: 6-10 parts of a carbon fiber material, 6-10 parts of biomass superfine fiber powder, 4-6 parts of a stabilizer, 17-25 parts of alpha-type metal oxideor hydroxide, 12-18 parts of thermosetting resin and 31-55 parts of a solvent. According to the flame-retardant and acid-resistant building waterproofing agent, the roughness is given mainly through the carbon fiber material and the biomass superfine fiber powder, the low surface energy and the curing effect of the thermosetting resin are combined, so that the waterproofing and anti-seepage performance of a building can be guaranteed after the waterproofing agent is applied, and the toughness of the building is improved by compounding the alpha-type metal oxide or hydroxide and the stabilizer.The waterproof agent is more uniform and stable, has higher strength, and accidentally obtains very good flame-retardant and acid-corrosion-resistant effects.

The present invention is a method for improving the spray-drying hot-melt type sticky wall of traditional Chinese medicine or food raw materials, comprising the following steps: adding any one or more than one small molecule peptides to the solution to be dried with a solid content of 2-50% as The auxiliary materials are added in an amount of 5-30% of the solid content of the solution to be dried, which is uniformly dispersed by stirring and spray-dried under stirring conditions. The auxiliary material of the invention is safe, does not interfere with the release of the main components of the medicine, has a wide range of application, and has good solubility of the obtained product, which can effectively improve the problem of hot-melt type sticking to the wall in the spray drying process. The present invention also provides the application of the small molecule peptide in improving the spray-drying hot-melt type sticky wall of traditional Chinese medicine or food raw materials.

A multi-transformer combined ultra-high voltage generating device, which relates to a high-voltage power supply device, is composed of an intermediate transformer unit and a plurality of high-voltage transformer units, wherein the intermediate transformer unit includes a primary side coil and a secondary side coil, and the primary side coil Set on the inner layer; the high-voltage transformer unit includes a primary coil and a secondary high-voltage coil, and the secondary high-voltage coil is set on the outer layer; the primary coils of each high-voltage transformer unit are connected to each other to form a primary-side electrical circuit, and the secondary side of each high-voltage transformer unit The high-voltage coils are forwardly superimposed and outputted, and the secondary-side coil of the intermediate transformer unit is connected to the primary-side electrical circuit formed by multiple high-voltage transformer units. The invention superimposes the high-voltage electricity generated on the secondary high-voltage coils of multiple high-voltage transformers into an ultra-high voltage output, so as to meet the requirements of long-distance arc ignition of the plasma device.

The invention relates to an agricultural machine, in particular to an improved sipunculus nudus harvesting seeding machine which comprises an installing platform, a push shovel, a conveying belt, a filtering frame and a submersible pump. The installing platform is a mobile platform with a track walking device, the push shovel is installed at the front end of the installing platform through an installing support with the two sides extending out forwards, the top of the installing platform is provided with the conveying belt, the filtering frame is installed on the end face of the tail end of the installing platform, and a spray pipe is horizontally inserted into a frame body. A base part of the spray pipe is connected with a water pipe, the water pipe penetrates out of the side of the installing platform to be connected with the submersible pump, and the submersible pump is installed at the bottom of a ship with a power device. Sipunculus nudus harvested in a bulldozer type harvesting mode is complete, and the conditions of head breakage and crushing seldom occur; sand is removed by seawater spraying; through a seeding mechanism, sipunculus nudus is sown synchronously in a sandbeach after the harvesting, and sustainable development is achieved.

The invention discloses a lubricant composition which, unlike a conventional lubricant composition, has excellent effects of preventing abrasion and reducing friction. The lubricant composition of the invention comprises a base oil and a specific organometallic compound dissolved in the base oil. The organometallic compound can be completely dissolved in the base oil and has a storage stability of at least 6 months or more. Therefore, the lubricant composition is free from the limitation of the use amount due to the solubility. As the specific organometallic compound is contained, the lubricant composition has the effect of gaining a tremendous increase in the bearing wear resistance performance for engine protection as compared with a conventional lubricant, the engine cleanability is improved, the friction performance is also improved, and thus the effect of improving the fuel efficiency can be expected.