172results about How to "Save raw materials" patented technology

The invention discloses an alkali-soluble dihydroquinoline phenazine organic active substance, an electrolyte containing the same and an application of the electrolyte, the alkali-soluble dihydroquinoline phenazine organic active substance has a molecular structural formula shown in a formula (I), in the molecular structural formula, R1, R2, R3, R4, R5, R6, R7 and R8 are respectively and independently selected from-H,-OH,-COOH,-SO3H,-Ar,-PO3H,-OCxH2xCOOH,-OCyH2ySO3H and-OCzH2zPO3H, and at least one alkali-soluble group is contained. The active material has the advantage of multi-electron transfer, can accumulatively transfer 4 equivalent electrons, and has the potential of constructing a high-energy-density flow battery.

The invention relates to the technical field of organic fertilizers, in particular to a long-acting slow-release charcoal-based microbial compound fertilizer and a preparation method thereof. The long-acting slow-release biochar-based microbial organic fertilizer is prepared from the following raw materials in parts by mass: 10 to 20 parts of corn grit, 5 to 10 parts of coated biochar, 1 to 3 parts of monopotassium phosphate, 30 to 40 parts of livestock and poultry manure, 0.001 to 0.01 part of lanthanum ammonium nitrate, 30 to 40 parts of inorganic fertilizer, 0.2 to 0.3 part of microbial agent and 1.5 to 2 parts of epsilon-polylysine, the coated biochar is prepared by the following steps: adding biochar and dopamine hydrochloride into water, mixing, stirring at 30-40 DEG C for 20-30 minutes, adding tris (hydroxymethyl) aminomethane, stirring for 20-30 hours, centrifuging, washing, drying, crushing, feeding into a tubular furnace, keeping the temperature at 300-500 DEG C for 20-40 minutes under the protection of nitrogen, and cooling to room temperature.

The invention discloses iridium-cobalt oxide nanoparticles as well as a preparation method and application thereof. The iridium-cobalt oxide nanoparticles comprise a cobaltosic oxide carrier and supported iridium oxide. The preparation method comprises the following steps: 1) preparing an iridium salt-cobalt salt aqueous solution; 2) preparing a reaction solution of a complex containing iridium ammonium salt and cobalt; (3) preparing an iridium hydroxide-cobalt complex compound; and 4) grinding the iridium hydroxide-cobalt complex compound, placing the ground complex compound in an oxygen-containing atmosphere for heat treatment, and then carrying out water washing and drying. The iridium-cobalt oxide nano-particles are low in iridium content, small and uniform in particle size and simple in preparation method, have the advantages of being high in electrochemical activity, good in electrochemical stability and the like when being used as an OER reaction catalyst, and are suitable for large-scale industrial application in the field of hydrogen production through water electrolysis.

The invention relates to a method for preparing idesia oil from idesia peel, which comprises the following steps: (1) primary squeezing: performing primary squeezing on dried idesia peel, and separating to obtain primary squeezed idesia crude oil and primary squeezed cake meal; (2) infiltrating the cake meal; infiltrating the virgin cake meal by using an extraction solvent; (3) squeezing auxiliary extraction: carrying out secondary squeezing on the infiltrated cake meal obtained in the step (2) to obtain an extraction liquid; and (4) separating the leaching solution, namely separating the leaching solvent and the idesia polycarpa leaching crude oil from the leaching solution in the step (3). The idesia oil is extracted by using the idesia peel as the raw material, the idesia peel resource waste and the environmental pollution are reduced, and the oil extraction is fast and the solvent consumption is low by adopting the squeezing-assisted extraction mode.

The utility model relates to the technical field of cabbage processing equipment, in particular to an automatic cabbage core removing device which comprises a supporting frame, a rotary conveying belt rotating around the supporting frame and a material placing opening formed in the rotary conveying belt. A positioning assembly used for fixing cabbages and a cutting assembly used for cutting the cabbages into multiple parts are installed at the upper end of the rotary conveying belt, a core removing assembly is arranged in the supporting frame and comprises a cutter and a control assembly used for controlling the cutter to vertically move and rotate, a grating ruler is installed on one side of the positioning assembly, and the grating ruler is arranged on the other side of the positioning assembly. The lower end of a reading head on the grating ruler is fixedly connected with a pressing rod, and a current signal sent by the grating ruler can control the vertical moving distance of the cutter. The cabbage core removing device can automatically adjust core removing depth according to the size of cabbages, raw materials are saved as much as possible while complete core removing is guaranteed, the problem that cabbage cores are not completely removed or materials are wasted is solved, and meanwhile the problems of low production efficiency and automation degree are solved.

The utility model relates to the technical field of onion processing equipment, in particular to a full-automatic onion processing device which comprises a supporting frame, a rotary conveying belt is installed on the supporting frame through a transmission conveying mechanism, and a plurality of material placing openings are formed in the rotary conveying belt at equal intervals. Digging mechanisms are symmetrically arranged at the upper end and the lower end of the rotary conveying belt, each digging mechanism comprises a first hydraulic air cylinder fixedly connected to the supporting frame, a second hydraulic air cylinder is fixedly connected to the output end of each first hydraulic air cylinder, and a rotating motor is arranged on a piston rod of each second hydraulic air cylinder; a movable tool bit is installed at the tail of the piston rod, the digging mechanism is installed at the starting end of operation of the rotary conveying belt, and the cutting mechanism is installed on the rear side of the digging mechanism. The onion head digging and tail removing machine solves the problems that in the onion head digging and tail removing process, manual participation is too much, automation is insufficient, manpower is wasted, and production efficiency is low, and meanwhile the problem that materials are wasted during flat cutting is solved.

The utility model discloses stirring equipment for producing sand-based water permeable bricks, and particularly relates to the field of sand-based water permeable bricks, which comprises a stirring barrel, a stirring shaft, a stirring shaft, a stirring shaft and a stirring shaft, the stirring mechanism extends into the stirring barrel from the bottom of the stirring barrel; the screening mechanism is arranged above the bracket in a manner of sliding up and down; the vibrating mechanism is arranged between the bottom of the screening mechanism and the support. The sand-based water permeable brick raw material screening device has the advantages that sand-based water permeable brick raw materials can be screened conveniently, and then the production quality of sand-based water permeable bricks is improved.

The utility model discloses an epoxy floor paint scraping device relates to scraping device design technical field, including scraping main part, epoxy floor paint heating storage unit, brushing unit, and the scraping main part downside surface four corners are provided with one removal wheel respectively, the scraping main body upside surface is provided with the push handrail, the scraping main body right side surface is provided with brushing unit, and epoxy floor paint heating storage unit contains the full paint bucket fixed seat, full paint bucket, protection cover, stirring cylinder, feed pipeline and stirring vane, the scraping main body upside surface is located the position fixed connection one full paint bucket fixed seat right side of push handrail, be provided with one full paint bucket on the full paint bucket fixed seat, when painting, prevent paint condensation, reduce the waste of paint, reduce the scraping time simultaneously, improve the efficiency of daubing.

The invention discloses a V-process casting method for a high-manganese steel assembled frog. The V-process casting method comprises the following steps: S1, design preparation work; s2, lower mold box modeling: arranging a direct external chilling block combination on the thin film at the corresponding position of the wood mold, then placing a lower mold box, filling dry sand in the lower mold box, slightly vibrating, striking off molding sand on the upper surface, covering a back film, and vacuumizing; s3, upper mold box modeling: open risers, blind risers and riser patching blocks are respectively arranged and mounted at the mounting positions of all the ports, a direct external chilling block combination is arranged and placed, an upper sprue brick pipe is erected on a sprue brick seat without a thin film, a tape is wound at the butt joint of the sprue brick pipe and the sprue brick seat, then an upper mold box is placed, the upper mold box is filled with dry sand, and after micro-vibration, the upper mold box is formed; the molding sand on the upper surface is scraped to be flat, a back film is covered, vacuumizing treatment is conducted, and then a pouring cup is installed; s4, closing the mold and pouring; and S5, opening the box. According to the method, most trace gas generated in the molding and pouring process is pumped away and collected by the vacuum pump, air pollution is small, and a great contribution is made to the target of green low-carbon production.

The utility model discloses a countercurrent absorption device for sulfurous acid, which consists of a process water pipe, a tail gas fan, a third-stage absorption tower, a second-stage absorption tower, a shower nozzle, a first-stage absorption tower, a finished product acid pump, a sulfur furnace, a circulating acid pump and a baffle plate. According to the sulfur dioxide absorption tower disclosed by the invention, the problems that sulfur dioxide gas is not thoroughly absorbed and tail gas pollutes the environment in a sulfurous acid preparation process are solved by adopting countercurrent absorption of the flow direction of sulfur dioxide gas and the flow direction of process water and adopting an absorption mode of combining a shower nozzle and baffle plate water distribution; the sulfur dioxide gas absorption efficiency is high, and equipment and power energy are saved.

The invention discloses an emulsion preparation device and an emulsion preparation method using the same, the device comprises a mixer main body, a liquid inlet conduit, a liquid outlet conduit and a feeding assembly, the mixer main body has a three-way flow channel structure, an optional flow channel is a liquid outlet flow channel, the other two flow channels are liquid inlet flow channels, the liquid outlet conduit is communicated with the liquid outlet flow channel, and the feeding assembly is communicated with the liquid inlet flow channel. The liquid inlet guide pipe is communicated with the liquid inlet flow channel, and the feeding assembly is communicated with the liquid inlet guide pipe. The method for preparing the emulsion comprises the steps that the dispersed phase and the mobile phase are obtained, the continuous phase and the dispersed phase are put into the two liquid inlet flow channels of the mixer body through the liquid inlet guide pipes by means of the feeding assembly, the emulsion formed after mixing flows out of the liquid outlet flow channels and is collected, the flow speed ratio of the continuous phase to the dispersed phase is 2: 1-4: 1, and the total flow speed is 60-750 mL / min. According to the scheme, the emulsion with the appropriate particle size is prepared at the low flow speed, the feeding temperature range is wide, the device is simple, the channel dead volume is small, and the device is suitable for both laboratories and industrial production.

The utility model relates to the technical field of vehicle-mounted electric control cover plate die-casting, and discloses a new energy vehicle-mounted electric control cover plate die-casting device which comprises a die-casting device body, a baffle is fixedly connected to the left side of the top of the die-casting device body, a die-casting mechanism is arranged at the top of the die-casting device body, and a base is fixedly connected to the bottom of the die-casting device body. A collecting mechanism is arranged at the bottom of the die-casting device body, the die-casting mechanism comprises a die-casting assembly and a stirring assembly, the die-casting assembly is arranged at the top of the die-casting device body, and during use, through the arranged die-casting mechanism, when a vehicle-mounted electric control cover plate needs to be subjected to die-casting work, a first servo motor drives a first threaded rod to rotate; the hydraulic cylinder pushes the push plate, raw materials in the conveying pipe stably and accurately enter the first die, the right side of the second die makes close contact with the left side of the first die, and the sealing performance of the dies in the die casting process is guaranteed.

This invention relates to a partially elastic fabric and its weaving method, comprising a mesh fabric body. The mesh fabric body includes an embroidery layer, a textured layer, a functional yarn layer, and an elastic and reinforcing structural layer. It is woven using a warp knitting machine. The embroidery layer is formed on the uppermost layer of the fabric through a lateral shifting and pressing mechanism of the patterned yarn guide bars. The textured layer is formed through a double Jacquard guide bar loop-forming mechanism. The functional yarn layer is formed through a double ground guide bar loop-forming mechanism. The elastic and reinforcing structural layer is formed by a regular mesh structure woven through the ground guide bar weft insertion mechanism in conjunction with the loop-forming ground guide bar of the functional yarn layer. The weaving method of this invention produces a fabric with a strong structure and excellent physical properties such as wash fastness and rubbing fastness.

The application discloses a kind of eutectic solvent and its preparation method and application, the eutectic solvent is used for the dissolution, separation or regeneration of cellulose and / or starch, the eutectic solvent includes first solvent, second solvent and water;The first solvent is selected from at least one of the compounds shown in formula 1.The eutectic solvent of the application has very good solubility for cellulose and / or starch, can quickly dissolve a large amount of cellulose and / or starch, is suitable for the dissolution, separation and regeneration of cellulose and / or starch, etc., and is low in cost, easy to prepare, the raw materials used are all harmless to the environment, can be recycled, is an environmentally friendly solvent system.

The invention discloses a short polish rod countersunk head type bolt expansion rod die forming die which is composed of a die sleeve and a die core arranged in the die sleeve. The shape of the head of the short polish rod countersunk head type bolt and the size of a polish rod part serve as the size standard of the mold core; the die core is made of YG20C, the hardness HRA is larger than 84 after heat treatment, the die sleeve is made of T10A, the hardness HRA is 44-48 after heat treatment, and the final surfaces of the die core and the die sleeve are passivated. Raw materials are saved, and the production cost is reduced; machining is stable and reliable, and the product quality is improved; the processing efficiency is high, the production period is shortened and the production cost is reduced; use is easy, and the requirement for the skill level of machining personnel is low; the upsetting forming die is simple in structure, easy to machine and manufacture and low in cost.

The utility model belongs to the technical field of decorative paper production, specifically relates to a kind of impregnation device for decorative paper production, including impregnation box and lifting mechanism, two support frames are equipped in the left and right ends of impregnation box, guide roller is equipped on support frame, scraper assembly is equipped on the support frame of right side, scraper assembly includes fixed frame and two scrapers, fixed frame is equipped with the through-hole for the decorative paper to pass through, both sides of through-hole are equipped with guide sliding slot and several first bolt positioning holes, two scrapers are opposite and set in through-hole, two scrapers are slidably connected in the inside of two guide sliding slots, the both ends of two scrapers are equipped with second bolt positioning hole, the inside of impregnation box is equipped with two compression rollers;Lifting mechanism is arranged outside impregnation box, for driving impregnation box to move up and down.This device can adjust the height of impregnation box, to change the distance between compression roller and the bottom of impregnation box, so that the residual impregnation liquid in impregnation box is fully utilized, and raw materials are saved.

The invention discloses a thin spinning metering pump, which belongs to the technical field of spinning mechanical equipment. The thin spinning metering pump is a one-inlet and multiple-outlet structure, and comprises a pump plate, a gear plate and a cover plate from bottom to top, and a driving shaft penetrating the cover plate and the gear plate, wherein the number of the pump plate and the number of the gear plate are both one, and a planetary gear system arranged in the gear plate is used to drive the central gear by the rotation of a motor, and then precise control of the material is achieved through the meshing of the central gear and the planetary gear; compared with traditional metering pumps, the metering pump of the invention has a greatly reduced thickness, requires less processing materials, has a simple processing technology, and has a low processing cost, and is more convenient to disassemble and replace during use.

The application discloses a double-specification inoculation ring push-scraping groove mold, which comprises a limiting plate one arranged in a rectangular plate body structure, a butt joint column one end symmetrically connected to the bottom end of the limiting plate one, and the other end of the butt joint column connected to the surface of a limiting plate two, the bottom end of the limiting plate one hingedly connected to a front fixed plate, and a positioning ring symmetrically arranged on the two sides of the front fixed plate. The double-specification inoculation ring push-scraping groove mold is provided with a push-scraping groove one and a push-scraping groove two arranged on the surface of a male mold plate in an interlaced and equidistant manner. Due to the symmetrical circular groove structure of the two ends of the push-scraping groove one and the push-scraping groove two, the two ends of the push-scraping groove one and the push-scraping groove two are penetrated by a pulling needle and a ejector pin rod according to production needs, the inoculation ring is inoculated in the interior of the push-scraping groove one and the push-scraping groove two through the penetration of the pulling needle and the ejector pin rod, the formed inoculation rings of different sizes are pushed out, the corresponding ejection environment is provided for the inoculation rings of different sizes, and the application range of the pulling needle and the ejector pin rod is increased.

The utility model discloses a range-extending tool rest of a center-moving lathe, which comprises a tool rest body matched with a gang tool rest. A cutter mounting square groove for mounting a square cutter bar is formed in the cutter rest body; and a high-pressure cutting oil integrated block mounting platform is arranged on the tool rest body. Through the application of the range-extending tool rest, guide-sleeve-free mode cutting can be implemented, and the actual material tailing is between 95 mm and 115 mm, so that one more workpiece can be manufactured for each bar, and compared with the original production mode, the range-extending tool rest has the advantages that raw materials are greatly saved, and the production requirement and the quality requirement are completely met at the same time.

This utility model discloses a tape-and-splitting device suitable for 12.5mm pitch capacitors, comprising: a tape roller, a punching assembly, and a tape turntable. The tape roller has a plurality of spaced tape teeth. The punching assembly is used to punch holes in the tape. The top of the tape turntable has a first adjusting hole, within which a plurality of adjusting rods are disposed. The side of the tape turntable has a plurality of second adjusting holes, which communicate with the first adjusting holes. A tape head is disposed within each of the second adjusting holes and connected to the adjusting rods. Compared with the prior art, this utility model can change the distance the tape moves by adjusting the position of the tape teeth, changing the part spacing P=25.4mm to P=19.05mm, thus saving materials.

The application provides a twist connection chute manufacturing method and device, and relates to bulk material conveying technology field.The method comprises the following steps: connecting each vertex of a preset first chute opening section model with two vertices closest to the each vertex in a preset second chute opening section model respectively to obtain a twist connection chute frame model; filling the twist connection chute frame model to obtain a twist connection chute peripheral base plate model; and packaging the twist connection chute peripheral base plate model to obtain a twist connection chute final model, so that the twist connection chute is manufactured based on the twist connection chute final model.The application can reduce the difficulty and cost of manufacturing the connection chute, thereby improving the efficiency of manufacturing the connection chute, and can reduce the installation difficulty of the manufactured connection chute, thereby improving the installation efficiency of the connection chute.

The invention relates to enzyme cascade application of a zinc coordination compound-based micro-nano particle immobilized enzyme, and belongs to the technical field of nano biosensing. The method comprises the following steps: based on zinc nitrate and 3-methyl-1H-1, 2, 4-triazole (Hmtz) one-pot synthesis method, respectively synthesizing ZnNBs and ZnNPs as carriers of immobilized enzyme at 4 DEG C, and constructing an enzyme cascade reactor by immobilizing a single enzyme HRP, two enzymes HRP / GOx and three enzymes HRP / GOx / beta-Gal, thereby improving the activity and stability of the enzymes, and realizing quantitative detection of dopamine, glucose and lactose. The detection range is wide, the detection limit is low, and the specificity is good. The zinc coordination compound micro-nano particle immobilized enzyme has the following advantages that the zinc coordination compound micro-nano particle immobilized enzyme is simple in preparation method, high in catalytic activity, good in stability, long in service life and capable of being repeatedly used.

The invention belongs to the technical field of asphalt concrete base construction, and particularly relates to an asphalt concrete longitudinal and transverse joint treatment method. The method comprises a bituminous concrete longitudinal joint treatment step and a bituminous concrete transverse joint treatment step. The longitudinal joint treatment step comprises formwork erecting; longitudinal templates are laid on the edge of the paving surface and fixed; the concrete materials on the inner sides of the longitudinal formworks are spread and rolled; the longitudinal formworks are removed after cooling, and paving of longitudinal adjacent sections is started; after paving is completed, longitudinal joint static pressure and paving surface rolling are carried out; the transverse joint treatment step comprises the steps of pre-burying a transverse template and then starting longitudinal rolling; after rolling is completed, mold removal is started after the asphalt concrete surface is cooled and shaped, and then transverse joints are paved, rolled and trimmed; and after the transverse joints are treated, the longitudinal rolling process is started. The longitudinal formworks and the transverse formworks can provide effective support in the asphalt concrete compaction process, mixed materials are prevented from overflowing, and the compaction degree and porosity of the edge asphalt concrete are improved.

This invention discloses a method for preparing trifluoropropionic acid, comprising the following steps: Step 1, reacting acetic acid with trifluoropropylene under the action of a catalyst to obtain trifluoropropyl acetate; Step 2, transesterifying trifluoropropyl acetate with methanol to obtain trifluoropropanol; Step 3, oxidizing trifluoropropanol with hydrogen peroxide under the action of a catalyst to obtain trifluoropropionic acid. This invention has a high yield, simple process conditions, and cheaper raw materials, which can significantly reduce the cost of trifluoropropionic acid.

The invention belongs to the field of sludge resource utilization, and particularly relates to a high-speed train excrement collector wastewater sludge reduction and resource utilization device, system and method. The device comprises a septic tank and a sludge fermentation tank which are sequentially connected, the interior of the septic tank is of a grid structure, a water inlet pipe and a water outlet pipe are arranged on the upper portion of the side wall of the septic tank, and a water ejector used for collecting sludge in different grids of the septic tank is further arranged above the septic tank; the bottom of the sludge fermentation tank is provided with an inclined bottom wall and a fermentation tank inner spray head used for spraying sludge upwards, the sludge fermentation tank is internally provided with a division baffle used for limiting the sludge from flowing along a turn-back type flowing path, and a sludge flowing and settling channel is formed between the division baffle and the inclined bottom wall. According to the method, resource utilization of the excrement collection type wastewater sludge is realized, the treatment cost of the sludge is saved, the potential risk of the sludge to the environment is reduced, sludge reduction and resource utilization are realized, the number of equipment is reduced, the operation cost is low, the operation is simple, and the raw materials are cheap.

The invention relates to a preparation process of a prestressed centrifugal solid circular pile, which comprises the following steps: S1, designing a mold of the solid circular pile according to the actual requirements of a field pile foundation, and coating a layer of isolating layer on the mold before pouring, s2, a required pile body reinforcement cage is machined according to the size of the prefabricated square pile to be prepared, and an integral framework is assembled; s3, designing a theoretical mix proportion of the concrete, determining an actual mix proportion after test adjustment, and preparing the concrete according to the actual mix proportion; s4, the overall framework is installed in a mold, prestress tensioning is conducted through a tensioning machine, and then anchoring is conducted; and S5, concrete in the actual proportion is poured, and the solid circular pile is obtained. The shear resistance and bending resistance of the prepared solid circular pile are better than those of a solid square pile, raw materials are greatly reduced, and energy conservation and emission reduction are effectively achieved. The invention further relates to the prestressed centrifugal solid circular pile.

This invention provides a method for synthesizing dimethyl carbonate, belonging to the field of carbonate compound synthesis technology. The synthesis method of this invention does not require high temperature and high pressure conditions, and can be carried out at room temperature and pressure, significantly reducing energy consumption and equipment requirements. By coupling the reduction and oxidation reactions of photoelectrochemical carbon dioxide conversion, the synthesis energy barrier of dimethyl carbonate is lowered, improving energy utilization efficiency. Using greenhouse gas carbon dioxide as the main raw material, waste resource utilization is achieved, and the energy used is clean energy such as solar or electrical energy, avoiding pollution at the source. This invention couples the carbon dioxide conversion and dimethyl carbonate synthesis steps, realizing the recycling of the reactant methanol within the system, simplifying the process flow. The combined use of light and electrical energy produces a synergistic effect, improving the reaction rate and the selectivity of dimethyl carbonate.

The invention belongs to the field of energy storage, and particularly relates to a high-performance NASICON type oxide electrolyte and a preparation method thereof. The electrolyte takes an NASICON type oxide as a matrix and contains polyoxometallate accounting for 0.1-20% wt of the NASICON type oxide, the electrolyte can effectively improve the sodium affinity and intrinsic ionic conductivity of the NASICON solid electrolyte, and the interface impedance of the prepared sodium symmetric half cell at room temperature is smaller than 20 omegacm < 2 > and is as low as 16.7 omegacm < 2 >. According to the invention, the reaction between the NASICON and the additive is more uniform by adding the polyoxometallate in situ, a uniform and stable structure is formed, and the sodium ion conductivity of the NASICON solid electrolyte is effectively improved.

This invention discloses a method for preparing and applying o-pyrazolylphenylacetone olefin derivatives. The method involves dispersing o-pyrazolylphenylpropenol compounds, aryl aldehyde compounds, and a catalyst in an organic solvent to react and obtain o-pyrazolylphenylacetone derivatives. The method for synthesizing o-pyrazolylphenylacetone derivatives of this invention has advantages such as inexpensive raw materials, simplicity and efficiency, mild reaction conditions, high atom economy, easy product purification, and green economy. The obtained products can be directly applied as potential drugs in the pharmaceutical field, showing broad application prospects.

This invention relates to an industrial preparation method for 2-methylphenylacetic acid, comprising the following steps: under an inert solvent, 2-methylhalobenzene and malonate diester undergo a coupling reaction in the presence of a catalyst and base A to obtain compound one; compound one is hydrolyzed and decarboxylated under the presence of base B to prepare 2-methylphenylacetic acid; the chemical structural formula of compound one is: [formula missing], where R is a C1-C8 alkyl group. Compared with existing technologies, this invention uses inexpensive raw materials, is simple to operate, can react under normal pressure, has relatively mild conditions, is safe and environmentally friendly, and is easy to industrialize.