223 results about "Reagent standard" patented technology

An atomic clock having a physics package that includes a vacuum chamber cavity that holds atoms of Rb-87 under high vacuum conditions, an optical bench having a single laser light source, a local oscillator, a plurality of magnetic field coils, an antenna, at least one photo-detector and integrated control electronics. The single laser light source has a fold-retro-reflected design to create three retro-reflected optical beams that cross at 90° angles relative to one another in the vacuum chamber cavity. This design allows the single laser light source to make the required six trapping beams needed to trap and cool the atoms of Rb-87. The foregoing design makes possible atomic clocks having reduced size and power consumption and capable of maintaining an ultra-high vacuum without active pumping.

This invention relates to a test method for error model verification of an inertial measurement system, which sets up a multifunction software platform to simulate and argue the airliner load test plan directly including: designing specific flying trails based on the error model of an inertial sensor, in which, an aircraft flies along the designed flying trail and collects inertial sensor data of specific flight path points and transmits them to a master navigation computer, then the collected data are compared with the data output by a measurement primary standard device to get the measurement error of the sensor to compute and get the error parameters in the inertial navigation error model with an airborne inertial navigation space multi-position online demarcating method to understand the inertial navigation performance and is convenient for the compensation in navigation computation.

The invention discloses a method for treating coking wastewater, which belongs to the field of wastewater treatment. The method comprises the following steps that: wastewater of a coking plant enters a regulating reservoir for the adjustment of water quality and water amount, and orderly enters a hydrolytic tank, an anaerobic tank, a preaeration tank, a preliminary sedimentation tank, an aerobic tank, a secondary sedimentation tank and a coagulation reaction tank for treatment, wherein the hydrolytic tank and the preaeration tank are filled with a bio-cord filler; the sludge of the preliminary sedimentation tank refluxes into the hydrolytic tank and the anaerobic tank respectively; a clarifying solution of the secondary sedimentation tank refluxes into the anaerobic tank; and the aerobic tank adopts a moving bed bio-film reactor. The bio-cord filler adopted in the invention has short film formation time and high biomass, does not need repeated washing, and has strong shock resistance; and the moving bed bio-film reactor can fix a large amount of nitrobacteria with long generation time, and has no the problem of blocking. The method can remove high-concentration ammonia nitrogen and organic substances in the coking wastewater, and the COD and the ammonia nitrogen of treated effluent can synchronously achieve the primary standard of the national integrated wastewater discharge standard (GB9878-1996).

The invention relates to a high-temperature acidizing inhibiter containing a Cr oil pipe. A main agent A comprises the following compositions by weight portion: 25 to 35 portions of quinoline quaternary ammonium salt or quinoline derivate quaternary ammonium salt, 5 to 10 portions of potassium iodide, and 40 to 60 portions of organic solvent methanol or formaldehyde. An addition agent B comprises the following compositions by weight portion: 30 to 50 portions of Mannich base, 15 to 35 portions of propiolic alcohol, 5 to 15 portions of chromic chloride, and 20 to 35 portions of formaldehyde. During use, the proportion of A to B is 2-1.5:1 according to the weight portions, in an environment of 15 percent HCl+3 percent HF mud acid and 20 percent hydrochloric acid, inhibitions to super 13Cr at 100 DEG C, 120 DEG C and 140 DEG C all accord with acidizing standard requirement; and according to SY/T5405-1996 acidizing inhibiter performance test method and evaluating indicator, corrosion velocity of the inhibiter is lower than 40g/m<2>h at 140 DEG C. The inhibiter achieves the requirement of primary standard, and solves the problem of acidizing corrosion of Cr-contained steel in a high-temperature oil well.

A reforming catalyst comprises Gamma-alumina carrier and the following active components calculated by taking the carrier as primary standard according to the mass percent: 0.1 to 3.0 percent of VIII metal, 0.1 to 3.0 percent of VIIB metal, and 0.5 to 5.0 percent of halogen. The specific surface area of the Gamma- alumina is 210 to 250m<2>/g and the hole volume is 0.5 to 0.55ml/g; wherein, the holes semidiameter of which are less than 2 nanometer account for 2.0 to 5.0 percent of the total hole volume; the holes semidiameter of which are 2 to 5 nanometer accounts for 90 to 94 percent of the total hole volume; the holes semidiameter of which are 5 to 10 nanometer accounts for 3 to 6 percent of the total hole volume; the holes semidiameter of which are more than 10 nanometer accounts for 0.1 to 1.0 percent of the total hole volume. The catalyst used in naphtha reforming has the advantages of high liquid yield and aromatic hydrocarbon yield.

A network station server performance test system based on TPC-w primary standard applies a customer set/server system structure to utilize multiple customer sets to simulate multiple remote browsing customers and strictly obey the statistic property for user access to access it in stipulated test time and test its performance expressed under three test modes (WIPS, WIPSb an WIPSo), namely, the mean number for web-page operation in each second and mean response time of the server to users.

The invention discloses a process method for treating coking wastewater. The process method solves the technical problems that a micro-electrolysis method has hardening, channeling and narrow applicability of a pH range and a biochemical treatment process has long flow, large occupied area, poor impact load resistance and high expense. The method comprises a physical-chemical treatment unit consisting of a micro-electrolysis reactor and a settling tank; in the micro-electrolysis reactor, scrap iron, scrap copper and a lightweight blocky material are used as fillers; the pH of inlet water is between 2.0 and 6.0; the waterpower retention time is between 20 and 60 minutes; the method adopts air aeration; the method also comprises a filtering type inner circulating three-phase fluidized bed reactor biochemical treatment unit, and immobilized activated sludge balls are utilized to realize simultaneous denitrification and decarburization; the pH of inlet water is between 7.2 and 8.5; the concentration of dissolved oxygen is between 2 and 6mg/L; the temperature is between 28 and 32 DEG C; the waterpower retention time is between 20 and 40h; the COD of outlet water reaches secondary standard of integrated wastewater discharge standard; and volatile phenol, ammonia nitrogen and chroma reach primary standard of integrated wastewater discharge standard.

The invention provides a combined process of tower angleworm bio-filters and constructed wetlands for treating the domestic sewage. The combined process comprises the following steps: firstly, the sewage enters a hydrolysis-acidification pool and stabilizes after the action, and the water quantity is adjusted; secondly, the domestic sewage in the hydrolysis-acidification pool is distributed into a hydrolysis-acidification pool for removing COD, total nitrogen, nitrogen-nitrogen, total phosphorus and pathogeny microbes; and thirdly, the tail water in the second step enters a constructed wetland to be subjected to strengthening treatment, thereby building a suitable waterfront surroundings landscape, or the tail water is recycled by serving as reclaimed water. The combined process has the following advantages: firstly, the system hydraulic loading is high, and the surface hydraulic loading can reach 1m<3>/m<2>*d, thereby greatly saving land; and secondly, under the high hydraulic loading, the total nitrogen removal rate of the system can reach more than 85 percent; the removal rates of other materials in the system are all more than 90 percent, the effluent reaches the primary standard of the national sewage comprehensive emission standard (GB8978-1996), and reaches the miscellaneous domestic water quality standard of the PRC construction standard (CJ25.1-89), thereby being able to be recycled by serving as the reclaimed water.

The invention discloses a device and a method for processing restaurant wastewater. A ferrallitic sheet is used as an anode and a graphite sheet is used as a cathode to carry out pulse direct current electrolysis on the restaurant wastewater so as to cause an electrocoagulation reaction; simultaneously ultrafine ozone bubbles are fed into an electrocoagulation reaction region to strengthen the electrocoagulation reaction, so that ferrous irons Fe2+ generated in the electrolysis process is rapidly converted into ferric irons Fe3+, the volume of flocculate becomes larger and the flocculate precipitates more efficiently to remove most of pollutants in the wastewater; sludge generated in the electrocoagulation process enters an activated sludge reactor and a sludge concentrating and extruding device; and clear water containing a little amount of organic matter enters an aeration-ozone-ultraviolet combined treatment degradation tank and a photocatalyst micro filtration membrane, and finally outflows through a fine porous sand filtering tank. The produced water can reach the primary standard in the industry. The processing method has high impact-load resistance. The outlet water quality is stable. In the engineering, consumables have long service life. Therefore, the processing cost of the restaurant wastewater can be greatly reduced.

The invention discloses a treating method for phosphoric waste water and sludge generated in the production process of a phosphatic compound fertilizer, which comprises the following steps: adding lime milk into the phosphoric waste water to be treated firstly, and controlling a pH value to be 5-6; carrying out neutralization reaction for the first time; adding a PAM flocculating agent for flocculation reaction and then carrying out separation of mud and water; adding the lime milk in the aqueous phase again, and controlling the pH value to be 10-11 for the neutralization reaction for the second time; and adding the PAM flocculating agent again for the flocculation reaction and then carrying out the separation of mud and water, wherein the aqueous phase reaches a effluent standard after filtration. The invention realizes the multiplexing or the standard-reaching discharge of the waste water, the zero release of the sludge, accords to the developing direction of the energy saving and emission reduction and circular economy. The clear liquid treated by the process of the invention contains 0.4-0.5mg/L of phosphate (calculated by being based on P2O5), 8-9mg/L of F and 60-80mg/L of COD, meets the primary standard emission requirement of GB8978-1996, the ultimate clear liquid can be returned to a phosphoric acid device for multiplexing, and also be directly discharged after reaching standards; and the sludge produced by the filtration comprises the following main components: calcium phosphate, calcium fluoride, calcium carbonate and calcium sulfate, which can be totally reused as phosphorite resources.

The invention discloses a plane area measuring method based on a digital image technology, which comprises the following steps: (1) carrying out parameter calibration to a pick-up device of a measuring system to obtain an internal parameter of the pick-up device; (2) utilizing the pick-up device to obtain an original image of background, and carrying out image correction and/or distortion correction and gray processing to the image to obtain a gray image of the background; (3) putting a plane primary standard substance with knew area in the background, imaging the plane primary standard substance by the pick-up device, carrying out the image correction and/or distortion correction, gray processing, difference operation and binarization processing to obtain a nonzero pixel of a binary image of the plane primary standard substance; (4) putting an object to be measured in the background, and obtaining a nonzero pixel of a binary image of the object to be measured according to the method of step (3) ; and (5) obtaining area of the object to be measured according to pixel equivalent of the measuring system and the nonzero pixel of the object to be measured.

The invention discloses a rural domestic sewage treatment process. In the rural domestic sewage treatment process, a fine grid is used in a pretreatment process to remove large particle pollutants in sewage; an underground anaerobic digester is adopted to carry out hydrolysis acidification treatment so as to provide good conditions for a subsequent aerobic process; a micro power aerobic filter bed organically combines a solar energy micro power technology with an aerobic filter bed technology; a system is supplied with aeration power by solar energy; and a grading packing layer is arranged in the filter bed so as to realize low consumption and high efficiency treatment of the sewage. The rural domestic sewage treatment process particularly comprises the following procedures that after passing through the fine grid, the sewage enters the anaerobic digester; an elastic packing or a flexible packing is arranged in the anaerobic digester; and yielding water flowing out from the anaerobic digester enters the micro power aerobic filter bed system to be treated, wherein CODcr (Chemical Oxygen Demand), NH3-N (index of the ammonia nitrogen content in the sewage) and TP (total phosphorus) of the yielding water can reach the primary standard B of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB18918-2002). Due to the adoption of the rural domestic sewage treatment process, the treatment efficiency and the treatment degree of the domestic sewage can be improved. The rural domestic sewage treatment process is not limited by areas or air temperature and has small occupied area and low operation cost.

The invention discloses a production method of table vinegar with zero grain consumption and complete liquid state and solid fermentation flavor. The method comprises a material blending process, an acetic fermentation process, a post maturation flocculation process, a refining sterilization process, and a mixing process, wherein, the material blending process adopts the steps that at least two of solid state liquor making concomitant flavoring liquid, grain stillage squeezed fluid, ending liquor, and ending water are blended, and the total acid content of acetometer in the mixed liquor is 0.48 to 6.5 g/100 ml, and the alcohol content is 0 to 6.5 V/V percent; the acetic fermentation process adopts the steps that that the mixed liquor is accessed into acetic acid bacteria liquor, the weight of the mixed liquor is 10 percent of the weight of the acetic acid bacteria, and the mixed liquor is ventilated to be fermented at 32 to 36 DEG C, and the fermentation is finished when the total acid content of acetometer reaches 5.5 to 6.5 g/100 ml; the post maturation flocculation process adopts the steps that that the fermentation liquor is accessed into aged bentonite abstracted filter liquor, and the weight of the fermentation liquor is 0.7 to 0.8 percent of the weight of the bentonite; then the vinegar is prepared according to the regular refining sterilization process and the mixing process. The invention has the advantages that the process period is short, the cost is low, the grain consumption is zero, the vinegar tastes good, the nutritive value is high, and the vinegar meets the the primary standard of the national value fermentation GB2719-2003. The effective constituents in the flavoring liquid, the grain stillage squeezed fluid, the ending liquor and the ending water can be fully used, the vinegar can effectively protect the environment from pollution, and the invention can be popularized in liquor manufacturing enterprises.

The invention provides a method for detecting leakage of a spacecraft cabin by differential pressure. The method comprises the following processes: aerating, balancing, testing and gas deflating. In the method, a small-volume primary standard substance is put in a large-volume spacecraft cabin; standards and a temperature inside the measured cabin are measured when the differential pressure is measured; actually measured differential pressure is compensated by a temperature lagging for some time according to an ideal gas state equation; and finally integral leakage of the measured spacecraft cabin is acquired. In a gas path of the method, an aerating isolating valve is arranged on both sides of a differential pressure sensor respectively and used for avoiding an overrange phenomenon of the differential pressure sensor in the process of aerating or deflating.

The invention belongs to the technical field of environmental pollution, in particular to a method for enhancing the petroleum pollution removing effect of seawater. The method comprises the following steps of: culturing high-yield biological surfactant bacteria and efficient petroleum degrading bacteria cultured and screened in a biological trickling filter in a mixed way by taking chitosan as a carrier, and performing freeze drying to obtain a microbial agent (bacterial powder); and treating petroleum pollution simulation seawater with the bacterial powder, wherein three days later, the initial concentration is 1,700 mg/L, the salinity is 3 percent, the removing rate of total petroleum hydrocarbon in the simulation seawater is over 95 percent, and the total petroleum hydrocarbon concentration in the seawater is lower than the primary standard in the Effluent Standards for Oil-Bearing Waste Water from Offshore Petroleum Development Industry. In the method, chitosan is taken as a carrier, so that microorganisms better float on the sea level and are tightly contacted with pollutants on the surface of seawater, and the petroleum removing rate is increased; moreover, the treatment cost of oil stains is reduced greatly; and the production process of the bacterial powder is safe, the application method is simple, and secondary environmental pollution is prevented.

This invention relates to a configuring method for a multi-mode medical image based on a primary standard facial mask in surgery navigation including the following steps: 1, first of all preparing a multi-mode primary standard facial mask, 2, carrying out multi-mode image configuration before the surgery by the image recover method of the primary standard mask , 3, utilizing the collection method for the outer surface in the operation to collect the position information in the space of the outer surface points, 4, finally applying the real time configuration merge method before and in the surgery to get the configuration relation of the multimode image space before the operation and a coordinate space of the patient in the operation.

The invention relates to a treating technology for reverse osmosis (RO) concentrated water after water reuse in a chemical membrane method. The technology comprises the steps that firstly, matter such as lime or sodium hydroxide which is alkaline in an aqueous solution is put in RO concentrated water effluent to enable the pH of the concentrated water to be about 10-11.5; secondly, flocculent precipitation is performed in a mechanical accelerating clarification tank to reduce the hardness of the wastewater and remove heavy metal and reducing metal ions; thirdly, the effluent directly enters an ozone reaction tank after the RO concentrated water passes through the mechanical accelerating clarification tank, and then ozone tank effluent enters a biological activated carbon filter bed device to further remove pollutants and turbidity in the RO concentrated water, so that the wastewater effluent can meet the national primary standard (the CODcr is smaller than or equal to 60 mg/L). According to the treating technology, further treatment is performed on the concentrated water generated after the water is reused through the front stage of biochemistry, ultrafiltration and reverse osmosis for the production wastewater in chemical industry to achieve the purpose of direct discharge, therefore, the pollution treatment ability of enterprises can be improved, the total pollutant discharge amount is reduced, and the effects of energy conservation and emission reduction, clean production and sustainable development are achieved.

The invention discloses a fruit pie. The fruit pie comprises a pie crust and pie stuffing wrapped in the pie crust and is made by baking after brushing a layer of egg white on the surface of the pie crust, wherein raw materials of the pie crust consist of flour, milk powder, starch, first-class iodized refined salt, food-grade sodium bicarbonate, white granulated sugar at national primary standard, condensed milk with mass percentage concentration of 75%, evaporated filled milk with mass percentage concentration of 28%, vegetable oil and deshelled eggs, raw materials of the pie stuffing consist of fruit, pectin, white granulated sugar at national primary standard, malt syrup with mass percentage concentration of 80%, food-grade glycerin, sixfold concentrated fruit juice and water, and the mass ratio of the pie crust to the pie stuffing is 6.5:3.5. The selected and used raw materials are reasonable in variety collocation, with trophism, palatability and stable quality; the fruit pie is scientific in making method, can be mechanically produced on a large scale, conforms to the needs of modern fast food production and operation ways, and is easy in packaging, carrying and storage.

The invention provides a method for refining blended rice bran oil by a refining process of mixed rice bran crude oil, belonging to agricultural and sideline products deep-processing, oil and fats refining technical field. The mixed rice bran oil is used as raw material. The proportion of oil to solvent is adjusted before completely evaporating to precipitate. The following steps are: degumming and depickling; evaporating the blended oil using conventional method; gas stripping and precipitating; finally decolorizing and deodorizing to obtain refined rice bran oil. All indexes of the refined rice bran oil are better than the indexed of traditional technique, especially the color and acid value of the rice bran oil is greatly improved, wherein the color (25.4mm) of the rice bran oil is Y36R2 and the acid value is 0.16, which satisfy the country primary standard of refined rice bran oil, namely the primary standard of color is <=Y35R3.5 and the primary standard of acid value is <=0.2. The refining rate is high and the oil content of nigre is low, respectively being 92.87% and 27.84%, but using the traditional technique, the refining rate is respectively 90.81% and 36.77%.

This invention provides a high-order temperature compensation circuit primary standard source including: a starting circuit providing start offset voltages for a first order temperature compensation current generator, a second first order temperature compensation current generator and a ratio summing circuit, a first order temperature compensation current generator for generating a first order temperature compensation current, the temperature character curve is a high-order one with an upward open-end, a second first order temperature compensation current generator generating an other one, the temperature character curve is a high order one with a downward open-end, a ratio summing circuit summing in proportion to the compensated currents generated by the two generators, an output circuit outputting current after the high-order temperature compensation.

The invention relates to a bonding agent of baking-free bricks prepared from drilling well solid waste materials, which is applied to the field of treating petroleum drilling well solid waste materials into resources for preparing baking-free bricks. The bonding agent comprises the following ingredients in parts by weight: 3.3 to 8 of polyaluminium chloride, 6 to 25 of phosphogypsum, 10 to 26 of lime, 20 to 60 of fly ash and 4.4 to 12 of ferrous sulfate. A method for using drilling well solid waste materials for preparing the baking-free bricks comprises the following steps that: the baking-free bricks are prepared from the following ingredients in parts by weights: 10 to 22 of bonding agents of baking-free bricks prepared from drilling well solid waste materials, 30 to 55 of drilling well solid waste materials and 35 to 45 of crude aggregate; and the ingredients are uniformly mixed, are extruded and formed through a baking-free brick machine, and are maintained for 14 to 21 days to prepare the baking-free bricks. The invention has the advantages that the baking-free bricks can be prepared, and through the analysis via the sampling and the water soaking experiments on the baking-free bricks, all contaminant indexes reach the primary standard. Through the examination according to the standard JC422-1991, the detected items of the samples reach the requirements of the standard.

The invention relates to a high-intensity magnesite cement board and a preparation method thereof. The constituent raw materials are rice hull, an additive, magnesite powder, magnesium chloride modified water, phosphoric acid, a defoaming agent and glass fiber cloth. The preparation method comprises the following steps of: (1) starting a machine and stirring the rice hull and the additive for 5 minutes according to a weight ratio, adding the magnesium chloride modified water, adding the magnesite powder while stirring, after 10 minutes, adding the phosphoric acid and the defoaming agent, and after 5 minutes, forming mixed slurry; (2) adding a layer of the glass fiber cloth in the mould, injecting the mixed slurry on the glass fiber cloth, and vibrating a rolling plate; (3) placing the mould on a steel frame and feeding to a curing chamber; and (4) after leaving the frame and demolding, and opening a mortise and tenon joint of a mortise by utilizing a machine so as to obtain a finished product. The high-intensity magnesite cement board, provided by the invention, has the advantages of scientific composition and artful compatibility of raw materials, good compaction, high intensity and good water tolerance of the formed board, stable neutralization of oxygen ions, and safety use, after detection and identification of a national authority compartment, all indexes reach primary standard of nation, and the high-intensity magnesite cement board is suitable for high-speed rail construction, flyovers, stadiums, airport baffles of a waiting room, an inner wallboard, an outer wallboard and a floor substrate.

The invention discloses a decoloration method for fermentation wastewater biochemical treatment tail water, belonging to the field of waste water treatment. The decoloration method comprises the following treatment steps of: adding coagulant modification PAC (Polymeric Aluminum) and a coagulant aid of PAM (Polyacrylamide) respectively to fermentation wastewater biochemical treatment tail water ina first coagulation reactor and a second coagulation reactor for treatment; removing colloid coloring organic matter in the tail water; and introducing the deposited effluent to a three-dimensional electrolysis reactor for treatment, and removing the soluble coloring organic matter. The treated effluent chrominance reaches the primary standard of the national sewage discharge standards (GB8978-1996). In the invention, the processes of chemical coagulation and electrolytic oxidation are organically combined without generating secondary pollution, the recycling of resources can be realized. Thedecoloration method has simple operation, convenience for management, low running cost, strong practical value and broad application prospect.