780 results about "Substance content" patented technology

The invention discloses a method for rapidly detecting ferromagnetic grain content in lubricating oil and a detection device thereof as well as a signal processing circuit. A transformer type electromagnetic sensor is adopted, and variation of related parameters of the electromagnetic sensor which is caused by variation of field distribution due to ferromagnetic grain in lubricating oil is detected, so as to detect ferromagnetic substance content in lubricating oil. Influence of nonferromagnetic pollutant can be naturally eliminated, higher linearity can be realized, meanwhile cost is low, and real time property is good.

The invention relates to a Chinese wolfberry ferment preparation method, aims to provide Chinese wolfberry ferment prepared by Chinese wolfberry treatment, enzymolysis, glucose reduction fermentation, lactic acid fermentation, ultrasonic low temperature concentration, blending, drying, crushing and other processes, , the method has the advantages of simple process, less addition agent and no residue, by the use of Chinese wolfberry defective products, the active substance content in the Chinese wolfberry ferment product can be promoted, the waste of resources can be reduced, the purposes of the comprehensive utilization of resources and improvement of the product added value can be achieved, and good economic and environmental benefits are obtained.

The invention discloses a positive electrode of a lithium sulfur battery and a preparation method of the positive electrode of the lithium sulfur battery. The positive electrode of the lithium sulfur battery comprises two parts, namely a carbon coating layer with low-active substance content on a current collector and an active layer with high-active substance content. The carbon coating layer on the surface of the current collector can improve the corrosion resistance of the current collector and prevent the current collector from being oxidized or corroded chemically. The positive electrode with the structure reduces the interface impedance of the current collector and the active layer, the electric conduction of the positive electrode of the battery is enhanced, and the volume volatilization of active substance materials is facilitated. The positive electrode with the structure is applied to the lithium sulfur battery, beneficial to the reduction of the internal resistance of the battery, prolongs to the cycle life of the battery and improves the multiplying power property of the battery.

The invention discloses a fowl manure fermentation fertilizer. The fertilizer is produced by materials of fresh fowl manure, rice bran powder, maize meal, wheat flour, brown sugar, lime powder, dinoflagellate, microzyme, lactobacillus, thermophilic actinomycetes, etc. The invention improves culture environment of henhouses, and heavy metal in the fowl manure is degraded and changed into treasure, becoming an ecological organic fertilizer which is comprehensively and abundantly nutrient. Nitrate and secondary salt formed in the soil by fertilizer residual can be degraded by the fowl manure fermentation fertilizer, and therefore functions of disease resistant, lodging resistant, crop yields improvement can be realized; ventilation property of the soil is improved, soil hardening and virus can be reduced and banished, meanwhile, dosage of the chemical fertilizer and pesticide is reduced; production cost is reduced, pollution is reduced and soil environment is optimized, and microeubiosis of the soil is achieved; therefore the crops can be ripen in advance, grade of the crops is improved, hazardous and noxious substance contents remained in the crops are lowered and banished, and the green environmental requirements of heavy metal residual of the crops can be achieved.

The invention relates to an organic fertilizer and its productive technique, which belong organic fertilizer and its productive technical field. Its characteristics is: the content of N+P2O5=K2Oí¦6%,that of organic substanceí¦30%; nitrogen; beneficial microbe bacterium power whose nitrogen contentí¦46%, 2 3 whose P2O5 contentí¦14%, 4 : 5 whose K2O contentí¦50%; Its productive technique is: mix and sir -make particle- dry- cool-package multi-functional biological organic-inorganic compound fertilizerinorganic nutrition, organic substanceeffective germs í¦20,000,000,000 / portion, organic substance content í¦25%.

Disclosed is a chargeable water-system zinc ion battery with long cycle life and high energy density. The chargeable water-system zinc ion battery comprises a positive electrode shell, an elastic sheet, a gasket, a positive electrode active substance, a diaphragm, a negative electrode active substance and a negative electrode shell, and all the components form a laminated layer structure in sequence, wherein the positive electrode active substance is positive ion defect type ZnMn<x>O<4> / C nanocomposite; the negative electrode is zinc foil or spherical zinc powder; the diaphragm is polyethylene nonwoven fabric or filter paper; and the electrolyte is a zinc trifluoromethanesulfonate water solution. The chargeable water-system zinc ion battery has the advantages that the ZnMn<x>O<4> / conductive carbon composite electrode material has simple and easily feasible preparation process; the synthesized ZnMn<x>O<4> nano crystals are uniformly embedded in the conductive carbon; due to the electrolyte, the Zn deposition / separation-out coulombic efficiency can reach about 100% and a wide electrochemical window of 0-2.5Vvs.Zn<2+> / Zn is realized; the positive electrode active substance and the novel electrolyte are applied to the water-system zinc ion battery, so that the battery shows a good electrochemical performance; and meanwhile, the battery has high reversible zinc storage capacity with high active substance content, and excellent cycling stability .

The invention relates to the technical field of compound fertilizer, in particular to garden waste biomass charcoal-based compound fertilizer and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the compound fertilizer with 8-12% of garden waste biomass charcoal according to the total raw material weight of the compound fertilizer, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based compound fertilizer. The garden waste biomass charcoal-based compound fertilizer is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, lowering the volume weight of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.

A non-aqueous secondary battery separator composed of a porous film made of an organic polymer, which includes a network-like support, swells in the electrolyte solution and retains the electrolyte solution, wherein the network-like support has a mean film thickness of 10-30 μm, a basis weight of 6-20 g / m2, a Gurley value of no greater than 10 sec / 100 cc, a McMullin number (25° C.) of no greater than 10 and a (McMullin number×mean film thickness (μm)) product of no greater than 200 μm, and the separator has a mean film thickness of 10-35 μm, a basis weight of 10-25 g / m2 and a Gurley value of no greater than 60 sec / 100 cc, or exceeding 60 sec / 100 cc and no greater than 500 sec / 100 cc. Both battery characteristics and safety are achieved by establishing a specific electrochemical relationship between the effective active substance content of the battery system and the overcharge-preventing function characteristic values.

The invention discloses a bletilla seed tissue culture propagation method which belongs to the technical field of Chinese herbal medicine planting. The method comprises the following six steps of seed introduction and sterilization, induction culture of protocorm, enrichment culture of protocorm, induction culture of multiple shoots, enrichment culture of multiple shoots, and rooting culture. The method has the beneficial effects that seedlings generated by adopting seed tissue culture is low in pollution rate, high in differentiation rate, stable in hereditary characters, and high in active substance content. According to the method disclosed by the invention, the tissue culture propagation period of bletilla is also greatly shortened, and the tissue culture period from seeding to rooting is less than four months, so that the production time is shortened, and the production cost is lowered.

The invention relates to a preparation method of acidified sludge bentonite particles, pertaining to the technical field of environmental protection. Sludge and nano-bentonite powder are mixed together according to a certain ration, porous sludge bentonite particles are prepared by roasting under high temperature and the activity of the porous sludge bentonite particles is further modified by sulphuric acid to prepare the acidified sludge bentonite particles. The acidified sludge bentonite particles is yellow solid particles, with organic substance content reaching 165.788mg / g, specified surface area being 4.71m<2> / g, lost ratio being 0.56 percent and water absorptivity being 17.65 percent. The preparation method has the advantages of simple technology, economic efficiency, low cost, and the like, and the prepared acidified sludge bentonite particles have stable quality, uniform appearance and good absorptivity, thereby not only realizing the utilization of sludge as resource and the reduction of the pollution caused by the sludge, but also having wide application value in the aspect of decoloring processing of waste water produced in printing and dyeing, and realizing the purpose of treating waste by utilizing waste.

The invention relates to a high-yield milk cow feed mixture, which consists of the following ingredients in percentage by weight: 3 to 8 percent of bean dregs, 2 to 15 percent of cotton dregs, 1 to 3 percent of vegetable dregs, 2 to 5 percent of peanut meal, 0 to 20 percent of corn DDGS, 1 to 2 percent of stone dust, 0 to 15 percent of wheat bran, 0 to 3 percent of soybean oil, 0.2 to 1.5 percent of common salt, 1 to 2.5 percent of calcium hydrophosphate, 20 to 60 percent of corn, 0.2 to 1 percent of mineral substances and vitamin, 0.5 to 2 percent of phagostimulant and 5 to 30 percent of rumen health care agents. When the high-yield milk cow feed mixture of the invention is fed in the milk cow high-yield period, compared with the method of feeding ordinary milk cow feed sold in the market, the invention has the advantages that the daily milk yield of each mil cow can be increased by 2 to 5kg, in addition, the protein content, the fat content, the dry substance content and the like in the produced milk are all correspondingly increased, and the milk production quality can be improved.

The invention discloses a method of one-step synthesizing fluorescent carbon dots with corncobs as a carbon source and belongs to the technical field of synthesis of fluorescent carbon dots. In the technical scheme, the method of one-step synthesizing the fluorescent carbon dots with the corncobs as the carbon source includes the following steps: mixing pre-treated corncobs, ethanediamine and deionized water uniformly, and performing heating reaction to prepare the fluorescent carbon dots through hydrothermal method, microwave method and ultrasound method; or directly calcining the pre-treated corncobs to obtain the fluorescent carbon dots. The raw materials are easy to obtain. The method is simple in processes, is mild in reaction conditions, is simple in operation and is free of toxic reagents. The fluorescent carbon dots can not only be used as a fluorescent probe to detect substance content but also be used in the researching fields of bio-markers, bio-imaging, photo-catalysis, photo-electronic devices, bio-sensors and the like.

The invention discloses equipment using fermentation dross to produce high activity high nutrition forage; the equipment comprises a box body; an inner side of the top of the box body is provided with an air window, an atomizer mechanism, and ultraviolet lamp tubes; an outer side of the top of the box body is provided with a water container and a mixing chamber; the upper portion of the mixing chamber is provided with a cooling zone; the lower portion of the mixing chamber is provided with a blender and a connected fermentation bed mechanism arranged in sequence from top to bottom, wherein the fermentation bed mechanism is arranged in the box body; the bottom of the box body is provided with a ventilation input pipe and electric heaters; the ventilation input pipe is connected in sequence with an air filter and a blower / air cooler; a side face of the box body is provided with a discharge window, another side face of the box body is provided with an access door and an ozone generator, and a temperature humidity control module is arranged in the box body. The invention also discloses a method using fermentation dross to produce high activity high nutrition forage; the method can realize full fermentation, is high in fiber degraded rate, large in protein raising rate, high in active substance content, and less in energy loss; inner environment conditions of the equipment are easy to control.

The invention discloses a high-temperature resistant non-sticking coating, and belongs to the field of organic macromolecular compounds. The non-sticking coating contains 50 to 80 weight parts of organic silicon modified saturated polyester, 10 to 30 weight parts of high-temperature resistant pigment and filler and 5 to 10 weight parts of high-boiling solvent; the organic silicon modified saturated polyester is obtained by reaction of polyhydroxy branched saturated polyester and organic silicon resin intermediate in an amount which is 0.3 to 1.0 times weight of the polyester, wherein the hydroxyl value of the polyester is 120 to 200mgKOH / g, and the weight-average molecular weight is 2,000 to 6,000; and the weight-average molecular weight of the organic silicon resin intermediate is 800 to 2,000, the alkoxy content is 2.5 to 15 percent, and the hydroxyl content is 3 to 20 percent. The high-temperature resistant non-sticking coating has good heat resistance, non-sticking performance, good metal adhesion and low heavy metal content and harmful substance content, accords with restriction of hazardous substances (RoHS) instructions and standards, and is an environmentally-friendly product.

The invention provides a method for preparing mesophase pitch from direct coal liquefaction residues. The method mainly comprises the following steps: 1, extracting the direct coal liquefaction residues by using an organic solvent I to obtain extracted pitch; 2, dissolving the extracted pitch by using a polar organic solvent II, and carrying out solvent recovery on the soluble part to obtain refined pitch; 3, carrying out thermal polycondensation on the obtained refined pitch at a high temperature to obtain a thermal polycondensation product; and 4, carrying out reduced pressure flash evaporation on the thermal polycondensation product to obtain the mesophase pitch. The invention also provides the mesophase pitch. The spinnable indexes of the mesophase pitch are characterized in that the softening point, the aromatic carbon rate and the quinoline insoluble substance content of the mesophase pitch are 250-280DEG C, not lower than 0.9 and 35-45% respectively.

The invention provides an octreotide acetate freeze-dried combination for injection, which comprises octreotide acetate, mannitol and a proper amount of buffer substances, wherein the mass ratio of the octreotide acetate to the mannitol is 1:(450-500); and the buffer substances are lactic acid and sodium bicarbonate and can be tartaric acid and sodium tartrate. The invention also provides a preparation method of the composition. The composition provided by the invention is produced by adopting an aseptic technique; by striving to make the technological breakthrough in optimal pH range and optimal preparation temperature in a liquid medicine preparation process, the product stability is improved; and finally, a freeze-dried product is prepared. By adopting a quick-freezing mode for pre-freezing, a finished product has low related substance content and good re-solubility, can be preserved at room temperature for two months and can be refrigerated for two years, thereby facilitating the product transportation and delivery. By clinically matching with a solution, the combination has good stability and low local injection irritation. The invention provides a safe and effective octreotide acetate freeze-dried combination for injection, which has good and controllable quality, for clinics.

The invention relates to a preparation method of a propylene-butylene-1 random copolymer. The preparation method comprises a step that the propylene-butylene-1 random copolymer is obtained through carrying out a copolymerization reaction of propylene and butylene-1 by adjusting the addition amount of the copolymerization monomer butylene-1 in a reactor at a polymerization temperature under a proper hydrogen content in the presence of a selected Ziegler-Natta catalyst. The preparation method has an easy polymerization process and can avoid the appearance of sticky kettle, caking, incompletely-removed residual monomers and the like, and the prepared propylene-butylene-1 random copolymer has a high relative butylene-1 dispersion degree and a low room-temperature xylene soluble substance content.

Disclosed is a polylactic acid resin composition having excellent bleed resistance and molecular weight retention ratio. A polylactic acid resin molded body is also disclosed. The polylactic acid resin composition contains a polylactic acid resin (a), a metal hydrate (b) having an alkali metal-containing substance content of not more than 0.2% by mass, and a phosphazene derivative (c). The polylactic acid resin molded body is obtained by molding the polylactic acid resin composition. Specifically, a polylactic acid molded body can be produced by filling a melt of the polylactic acid resin composition into a mold at a temperature in the range from glass transition temperature of said polylactic acid resin (a) to 110° C. and molding the melt therein.

The invention discloses a method for preparing general type coal series asphalt with spinnability by solvent extraction and oxidative thermopolymerization. The method comprises the following steps: tasking coal tar soft asphalt as a raw material, extracting and separating by using a mixed solvent of aliphatic hydrocarbon and aromatic hydrocarbon; taking the obtained refined asphalt as a raw material, carrying out oxidative thermopolymerization in a stainless steel reaction vessel, performing flash evaporation after finishing the oxidative thermopolymerization to obtain the general type coal series asphalt with spinnability. According to the invention, a solvent extraction method is used for removing a first quinoline insoluble substance of the asphalt, a process of oxidative thermopolymerization and flash evaporation is used to obtain the product, so that the disadvantages of wide molecular weight distribution of asphalt during the heat treatment process and high secondary quinoline insoluble substance content can be overcome. The general type coal series asphalt with spinnability has optical isotropy under the spinning temperature, has the characteristics of narrow molecular weight distribution, high softening point, good spinnability and high product yield, and is suitable for preparing general carbon fiber.

The invention relates to the technical field of soil conditioner, in particular to garden waste biomass charcoal-based soil conditioner and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the soil conditioner with 16-20% of garden waste biomass charcoal according to the total raw material weight of the soil conditioner, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based soil conditioner. The garden waste biomass charcoal-based soil conditioner is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.

The invention relates to a refining method of low-odor and high-activity polyether polyol, and belongs to the technical field of polyether polyol. The refining method comprises the following steps of adding high-activity crude polyether polyol into a refining treatment kettle, and adding water to stir; under the condition of nitrogen pressure filling, adding a refining adsorbent A to stir, then adding a refining adsorbent B to stir, dewatering, drying and filtering, so as to obtain the low-odor and high-activity polyether polyol. Compared with the traditional refining technology of using phosphoric acid and water and adding one or two types of common adsorbent, the refining method has the advantages that the high-activity crude polyester is refined under the matching action of acid magnesium silicate, synthetic magnesium silicate and water, so that the alkaline metal ion can be removed like the conventional technology, and the polyester index and parameter meet the national standard; the two types of refining adsorbents are slightly weak acid, so that the new aldehyde and other impurities are not produced in the refining phase, the content of aldehyde matters is reduced, and the product odor is decreased.

Provided is a method for producing a sugar liquid using a cellulose-containing biomass as the starting material. Sugar liquid having a very low fermentation-inhibiting substance content is produced by a method comprising (1) a step in which a cellulose-containing biomass is hydrolyzed to produce an aqueous sugar solution and (2) a step in which the resulting aqueous sugar solution is filtered through a nanofiltration membrane and / or reverse osmosis membrane, the pure sugar liquid is recovered from the unpermeated side, and the fermentation-inhibiting matter is removed from the permeated side.

The present invention is related to a process oil using as a raw material a deasphalted oil obtained by deasphalting a vacuum residual oil of a crude oil and a manufacturing method of the process oil, the process oil having properties of:(a) a polycyclic aromatics (PCA) content of less than 3 mass %;(b) a viscosity (100° C.) of 40 to 70 mm2 / s;(c) an aniline point of 85 to 100° C.;(d) a flash point of 250° C. or higher;(e) an aromatic hydrocarbon content of 40 to 55 mass %; and(f) a polar substance content of 10 to 15 mass %.The present invention is also related to a process oil and a manufacturing method of the process oil, the process oil obtained by mixing: an extract obtained by deasphalting and solvent-extracting a vacuum residual oil of a crude oil; and a lubricant base oil having a polycyclic aromatics (PCA) content of less than 3 mass %, and having properties of:(a) a polycyclic aromatics (PCA) content of less than 3 mass %;(i) a viscosity (100° C.) of 30 to 80 mm2 / s;(j) an aniline point of 90° C. or lower;(k) a flash point of 240° C. or higher;(l) a benzo(a)pyrene content of 1 mass ppm or less;(m) a specified aromatic compound content of 10 mass ppm or less; and(n) a polar substance content of 10 to 30 mass %.

The invention discloses a method and a system for predicting the service life of an air purifier purifying device. The concentration of the current purified substance content in an environment where the air purifier is is detected in real time; the current purifying speed, the unit purifying time duration and the original adsorption total mass of the air purifier are acquired; according to the current purified substance content concentration, the purifying speed, the unit purifying time duration and the original adsorption total mass, the current adsorption total mass is calculated and obtained; and according to the current purified substance content concentration, the current purifying speed, the current adsorption total mass and calibration replacement mass, the remaining service life of the air purifier purifying device is calculated, obtained and outputted. In the case of service life prediction, influences on the air purifier purifying device by environment and working conditions are considered, and the prediction accuracy is improved.

The invention relates to a method of preparing ceramsite by utilizing municipal sewage plant sludge and waste glass, belonging to the technical field of solid waste treatment and disposal and recycling. The method comprises the following steps: crushing dehydrated sludge with moisture content of 75%-85%, crushing and ball-milling the waste glass into 200 meshes, and mixing and adding according to a certain proportion; adding 1%-5% of a foaming agent; extruding and pelletizing after stirring, and conveying to a ceramsite rotary kiln for firing through a conveyor. The excellent glass ceramsite fired by the method disclosed by the invention has a compact glaze surface, light weight and high strength, satisfies national standard GB / T17431.2-2010, and mechanical performance and harmful substance content inspection results of the ceramsite satisfies the requirements of the national standard; the obtained glass ceramsite can be used in projects such as houses, road surfaces and bridges. The method disclosed by the invention changes waste into things of value and protects the environment, not only satisfies sustainable development direction of the ecological building material industry, but also is an effective way of recycling the sludge from municipal sewage plants.

The invention relates to a preparation method of magnetic fluorescence dual-function silicon oxide hollow microspheres, comprising the steps of: preparing magnetic nanometer particles by a coprecipitation method; diffusing the magnetic nanometer particles in long-chain alkane after the surfaces of the magnetic nanometer particles are modified by oleic acid; mixing the oil phase composed of alkanedispersion consisting of a styrene monomer, a superhydrophobic agent and magnetic nanometer particles, and the orthosilicic acid alkyl ester with water phase in which a surface active agent is dissolved; pre-emulsifying and finely emulsifying the mixture to obtain a fine emulsion drop system; when the drops are in free radical polymerization, adding an alkali catalyst to control the generation ofsilicon oxide and the phase separation of the organic and inorganic components of the system; in the reaction process, adding proper ammonia water and a silane coupling agent which is marked by fluorescein to obtain the hollow compound microspheres which are different in sizes, inorganic shell thicknesses and magnetic particle solid content and have stable fluorescence signals. The preparation method disclosed by the invention is simple, the raw materials are low in cost and easy to obtain; and the obtained fluorescence dual-functional hollow silicon oxide microspheres are narrow in size distribution, high in magnetic substance content and stable in fluorescence performance.

A method for producing food level condensed soybean phospholipids belongs to the field of soybean phospholipids. The invention comprises: taking feedstuff level soybean phospholipids as raw material, dissolving with nonpolar solvent such as N-hexane or ligarine, decolorizing with food level H2O2, removing ethylether insoluble substance influencing the product transparence with inorganic membrane filtration technique (including inorganic ceramic membrane and stainless steel membrane), and evaporating to obtain the light-colored final product with good transparence and low ethylether insoluble substance content (less than 0.2%, while 0.3% as the abroad product index). The invention establish a complete technology for producing food level condensed soybean phospholipids with high quality with feedstuff level soybean phospholipids as raw material through discolorations, filtration and de-dissolve.

The invention relates to a yellowish-brown humic acid-containing water-soluble fertilizer and a preparation method thereof. The preparation method comprises the following steps of 1, raw material quantitative proportioning, 2, reaction, 3, assistant addition, 4, stirring, 5, reaction, 6, cooling, and 7, packaging. The yellowish-brown humic acid-containing water-soluble fertilizer has total humic acid content greater than or equal to 40g / L, total nitrogen content greater than or equal to 80g / L, phosphoric pentoxide content greater than or equal to 40g / L, potassium oxide content greater than or equal to 80g / L, total trace element content greater than or equal to 60g / L, and water-insoluble substance content less than or equal to 50g / L. Potassium yellowish-brown humate, and macroelements and trace element necessary for plant growth are prepared into the yellowish-brown humic acid-containing water-soluble fertilizer. The yellowish-brown humic acid-containing water-soluble fertilizer has the advantages of high activity, comprehensive and balanced nutrition, high utilization rate, high hard water resistance, no flocculation, no deposition, and spray and drop irrigation adaptability. The yellowish-brown humic acid-containing water-soluble fertilizer can be widely used for a plurality of crops and can be directly sprayed on crop blade faces or punched and dropped on crop roots.

The invention discloses a novel water-saving water closet pan and mainly relates to the technical field of water closet pans. As for pedestal pans and squatting pans in modern urban families and public places, water consumption is high, the water waste is extremely serious, unclean flushing sometimes occurs, and unfavorable influences on public hygiene are caused. As for modern rural toilets, old open-type flushing-free toilets are dominant, environmental hygiene is extremely poor, and high water consumption of modern flushing water closet pans is greatly related to the phenomenon. A piston of the water closet pan can move relatively to a water closet pan port (the piston reaches the lower portion of the water closet pan port), human body excrement can be directly moved to a thick channel of the water closet pan to be rotated, the flushing water pressure of the water closet pan is high, therefore, a lot of water is saved, the flushing of the water closet pan is clean, a sewer is not prone to be blocked, a lower port of the water closet pan is sealed by the pistonto be isolated from outside space and a sewer lineeffects of air sealing are better than those of keeping water and sealing peculiar smell by drain traps in traditional water closet pans, meanwhile, collection and usage of human body excrement are facilitated, and the water content of the excrement is greatly reduced so that the collected substance content can be increased, and the workload is reduced.

A process of producing cellooligosaccharide, comprising enzymatically decomposing, in the presence of cellulase, a water-insoluble natural cellulosic material having an average degree of polymerization not greater than 700, an average particle size not greater than 100. A process of producing cellooligosaccharide, comprising enzymatically decomposing, in the presence of cellulase, a water-insoluble natural cellulosic material having an average degree of polymerization not greater than 700, containing 10% or more by mass of a colloidal cellulose component and a diethyl ether-soluble substance content less than 1% by mass.