50results about How to "Meet the testing standards" patented technology

The invention relates to the technical field of air conditioning devices, in particular to a device and method for detecting the quantity of refrigerants and an air-conditioner with the device for detecting the quantity of the refrigerants. The device for detecting the quantity of the refrigerants comprises a plurality of temperature sensors, a temperature collection meter and a calculation terminal. The temperature sensors are installed on the air-conditioner and electrically connected with the temperature collection meter. The temperature of the middle of a condenser, the temperature of an outlet of the condenser, the temperature of an inlet of an evaporator and the temperature of an outlet of the evaporator of the air-conditioner are correspondingly measured through the multiple temperature sensors of the device for detecting the quantity of the refrigerants, transmitted into the temperature collection meter of the device for detecting the quantity of the refrigerants through a condenser middle temperature collection wire, a condenser outlet temperature collection wire, an evaporator inlet temperature collection wire and an evaporator outlet temperature collection wire of the device for detecting the quantity of the refrigerants, and then transmitted through the temperature collection meter to the calculation terminal electrically connected with the temperature collection meter for analyzing and calculating the quantity of the refrigerants of a current air conditioning system. The device for detecting the quantity of the refrigerants is simple in structure and convenient to operate and measure, and whether the quantity of the refrigerants of the current air conditioning system is proper or not can be conveniently detected.

The present invention is aluminum made cooking utensil and its surface treatment process. Punched and surface-pretreated aluminum or aluminum alloy utensil is anodized through connecting with titanium anode, setting inside acid solution with copper cathode and leading DC plus pulse current, so as to form one layer of hard titanium-containing oxide film; and then, the oxide film is covered with one non-sticking layer. The titanium-containing oxide film has high wear resistance, powerful anticorrosive property and high hardness of HV1200-1500 on aluminum or HV400 on aluminum alloy.

The invention discloses a fruit-vegetable pesticide residue extraction and sampling device and method for microfluidic detection. According to the device and the method, the grinding time and the adding amount of a leaching reagent are automatically calculated according to the weight of fruits and vegetables put into the device; and the automatic adding of the leaching reagent, the automatic discharging of a waste liquid and the microfluidic sampling with a detection reagent are realized by virtue of an internal drawing and pressing structure. An automatic grinding structure is arranged in the device so as to ensure that pesticide residues in the tissues of fruits and vegetables are fully extracted; an ultrasonic energy converter array is arranged in the bottom of the device so as to ensure that the leaching reagent and the tissues of fruits and vegetables are fully mixed in an extraction process and a filter screen cannot be blocked during the leaching and the microfluidic sampling; heating resistance wires are contained in a baseplate so as to ensure that the leaching process meets the temperature standard; and a leaching reagent adding amount formula, grinding time and a temperature control value are set on a control box according to the national standard in China, so that the automatic sampling of the microfluidic detection is realized in strict accordance with the pesticide residue detection standard, and thus the degree of automation of a pesticide residue microfluidic detection technology is greatly improved.

The invention provides a cleaning passivator. The cleaning passivator is prepared from, by weight, 1-30 parts of heteropolyacid, 1-10 parts of organic acid sodium salt, 10-40 parts of low mass molecule alcohol, 1-10 parts of benzotriazole, 5-20 parts of urotropin, 1-5 parts of a nitrogen-containing heterocyclic compound, 1-10 parts of sodium carbonate peroxide, 1-30 parts of nitrite and the balance deionized water. A preparation method of the cleaning passivator comprises the steps that the raw materials are ground and then are mixed and stirred to be uniform. The cleaning passivator has no corrosion and swelling functions on stainless steel and high polymer materials, the protein flocculation cleaning effect is quite remarkable, and the problems brought by high-temperature concentrated alkaline cleaning can be solved well; and in the cleaning process, passivation and degreasing on the stainless steel surfaces are completed, potassium ferricyanide-nitric acid is used for detecting the wall face passivation film quality, the detection standard is met, and therefore one reagent has multiple functions, and cost is reduced for enterprises.

The invention discloses a flow testing machine of a water heating product. The flow testing machine comprises a positioning device, a water supply system, a programmable controller and a computer, wherein the positioning device is used for fixing a tested product; the water supply system comprises a cold water circulation system and a hot water circulation system; the cold and hot water circulation systems both comprise water tanks, conveyer pumps, recycling tanks, recycling pumps, pressure sensors and flow sensors; a refrigeration device is arranged on the water tank of the cold circulation system; a heating device is arranged on the water tank of the hot water circulation system; and the programmable controller is respectively connected with a frequency converter, the pressure sensors, the flow sensors, the refrigeration device, the heating device and a temperature sensor, thereby controlling the devices to work cooperatively. The flow testing machine has the advantages of operation convenience, energy conservation, high test precision and the like.

The invention relates to a super-hydrophobic surface reinforced Raman substrate prepared from a silicon nanometer dielectric material and a preparation method thereof. The substrate is formed by a silicon micron cone integrated with metal nanoparticles and a cascade structure formed by nanowires. The preparation method of the structure comprises the following steps that S1, a silicon wafer is put into a micromolecule alcohol and strong base mixed solution; the silicon micron cone structure is built through water bath heating; S2, the silicon micron cone structure is put into mixed corrosion liquid of silver salt solution and HF solution; etching is performed to obtain a silicon micron/nanometer cascade structure; S3, the silicon micron/nanometer cascade structure obtained in the S2 is soaked by acid solution so as to remove silver nanoparticles remained at the surface; then, the silicon micron/nanometer cascade structure is subjected to gold nanoparticle wrapping covering; S4, low-surface-energy substances are used for performing surface covering modification on the gold-silicon composite structure obtained in the S3, i.e., the super-hydrophobic surface reinforced Raman substrate is obtained. The super-hydrophobic surface reinforced Raman substrate provided by the invention has super-hydrophobic property; the static contact angle with water is 160 to 162 degrees.

The invention discloses an antenna, a method for manufacturing the antenna, and a mobile terminal. The antenna comprises a plurality of metal sheets, a ground layer, and a switching element. The switching element comprises at least a first frequency band configuration mode and a second frequency band configuration mode. When the switching element is in the first frequency band configuration mode, the switching element makes the metal sheets in first number communicated with the ground layer. The metal sheets in first number are distributed in first distribution. When the switching element is in the second frequency band configuration mode, the switching element makes the metal sheets in second number communicated with the ground layer. The metal sheets in second number are distributed in second distribution. Through the above method, the antenna can realize reception of multiband antenna, and the antenna in each frequency band conforms to detection standard of SAR.

The invention provides a window material using industrial waste residues as main materials. The raw material includes, by weight, 55 to 70 parts of red mud, 30 to 45 parts of plastics, 0.05 to 4 parts of functional additive A, 3 to 5 parts of functional additive B, 3 to 5 parts of enhancing carrier, and 2 to 5 parts of filler. The plastic is selected from polyethylene, polrvinyl chloride or polypropylene. The functional additive A is selected from impact modifier chlorinated polyethylene (CPE), plasticizer dioctyl adipate (DOA) and a beta crystalline type nucleating agent tetramethylbenzidine (TMB)-5. The functional additive B is selected from processing modifier ethylene propylene diene monomer (EPDM) and impact modifier methyl methacrylate-butadiene-styrene copolymer (MBS). The enhancing carrier is E-glass fiber, and the filler is micas. The window material has the advantages of being high in hardness and not needing steel linings, being ultraviolet resistant, fouling resistant, light in weight, good in sound and heat insulation performances, water proof, fire proof and electricity proof, and having no radioactive contamination and good market prospect and use value.

The invention provides a temperature control water nozzle comprehensive detection machine which comprises a water supply system,a detection device, a programmable logic controller and a computer. The water supply system comprises a water storing system and a delivery pump. The temperature control water nozzle comprehensive detection machine is characterized in that the water storing system comprises a hot water producing tank, a hot water feed tank, a cold water producing tank and a cold water feed-water tank; the hot water producing tank is communicated with the hot water feed-water tank and supplies water to the hot water feed-water tank through a transfer pipeline which is provided with a transfer pump; the cold water producing tank is communicated with the cold water feed-water tank and supplies water to the cold water feed-water tank through the transfer pipeline which is provided with the transfer pump; the hot water feed-water tank and the cold water feed-water tank are connected with measured products through a water supply pipe; the hot water producing tank and the hot water feed-water tank are respectively provided with heating devices and temperature sensors; the cold water producing tank and the cold water feed-water tank are respectively provided with cooling devices and temperature sensors; the programmable logic controller is respectively connected with the heating devices, the cooling devices and the temperature sensors. The temperature control water nozzle comprehensive detection machine has the advantages of being simple and compact in structure, high in detection precision, small in errors and the like.

The invention discloses a chlorine dioxide composition with selective antioxidation, which has complete spontaneity without any assistance of machines and uses the Brownian motion molecular driving theory on physics to reach the effect of sterilizing space within very short time even though people are on site without withdrawing. When activated, the composition cannot be influenced by the concentration of acid and alkali so as to achieve strong resolving capacity to kill harmful substances such as bacteria, virus, chemical toxins, residual agricultural chemical, and the like, thereby reaching the effect of sterilizing and purifying air; in addition, the invention can be widely used for medicine, industry, agriculture, people's livelihood, and the like.

The invention provides a preparation method of heparin sodium. The preparation method comprises the steps of removing impurities of crude heparin sodium, carrying out primary enzymolysis by pancreatic enzyme, performing secondary enzymolysis by cellulose, cleaning under an acid condition, grading by ethyl alcohol, performing primary oxidation with hypochlorous acid, carrying out secondary oxidation with hydrogen peroxide, freezing-drying and crushing. According to the method, serine in the heparin sodium is removed, a condition that the heparin sodium is not suitable for pharmaceutical industry production in the prior art is improved, the process is simple to operate, the produced heparin has an integral structure, and the obtained product has high valence.

The invention belongs to the technical field of novel materials, and particularly relates to a natural inorganic anti-aging additive as well as a preparation method and application thereof. Desert sand, nanometer zinc oxide, nanometer titanium dioxide, nanometer silver and nanometer aerogel are mixed and baked to prepare the anti-aging additive. The preparation method is simple and feasible and issuitable for industrial production. In addition, the preparation method breaks through the traditional idea of governing the desert by various methods; the desert sand in various environments is crushed and is used as raw materials to be directly used; a great amount of desert sand can be consumed; meanwhile, the inherent natural harmony of the ecological environment is protected.

The invention discloses a lamp holder rotating structure and an LED lamp with the lamp holder rotating structure. The lamp holder rotating structure comprises a lamp holder cover, a dial and a power source bin. The lamp holder cover and the dial are in sliding connection. The lamp holder cover is rotatably connected with the power source bin. The dial and the power source bin are limited through a first locating structure, and the first locating structure comprises first tooth grooves and first locating protrusions clamped into the first tooth grooves. When the dial is close to the power source bin, the first locating protrusions are clamped into the first tooth grooves, the dial and the power source bin cannot relatively rotate, and the lamp holder cover and the power source bin cannot relatively rotate. When the dial is pushed away from the power source bin, the first locating protrusions are separated out of the first tooth grooves, the dial and the power source bin can relatively rotate, and the lamp holder cover and the power source bin can relatively rotate. The dial and the power source bin are relatively fixed or rotate by changing the position of the dial, relative fixing or rotating of the lamp holder cover and the power source bin is achieved, the relative distance between the lamp holder cover and the lamp holder bin is not changed, and relevant detecting standards are met.

The invention provides a preparation method of heparin sodium. The preparation method comprises the following steps: edulcoration of crude products, enzymatic hydrolysis, edulcoration with acid, oxidation, freeze-drying, and pulverizing. Serine in the heparin sodium can be removed, limitation of the preparation method of heparin sodium to large batch production in the prior art is overcome, the process is simple to operate, and structural integrity and titer of heparin are improved.

The invention provides a window material which is mainly made from industrial residues. The window material comprises following raw material components in parts by weight: 55-70 parts of red mud, 30-45 parts of plastics, 0.05-4 parts of a functional additive A, 3-5 parts of a functional additive B, 3-5 parts of an enhancing carrier, and 2-5 parts of filler, wherein the plastics are selected from polyethylene, polyvinyl chloride or polypropylene, the functional additive A is selected from an impact modifier chlorinated polyethylene (CPE), a plasticizer dioctyl adipate (DOA), and a beta crystal nucleating agent TMB-5, the functional additive B is selected from a processing modifier ethylene-propylene-diene monomer (EPDM), and an impact modifier methyl methacrylate-butadiene-styrol copolymer (MBS) resin, the enhancing carrier is E glass fiber, and the filler is mica. The window material has high strength, does not need a steeling lining, resists ultraviolet, prevents pollution, has light weight, has good sound insulation and thermal insulation performances, can prevent fire, water and electricity, has no radioactive contamination, and has good market prospect and use value.

The invention discloses a foamed packaging material which is characterized by comprising the following components in percentage by weight: 77-87% of EVA (ethylene-vinyl acetate) granule, 10-20% of EVA master batch and 2-4% of amine remover. The raw materials in the formula are banburied, vulcanized, subjected to die pressing, cooled and cut into a proper shape, thereby preparing the foamed packaging material. The invention is smellless and environment-friendly, is harmless to both the human body and environment, and can conform to multiple detection standards.

The invention discloses a stomach nourishing composition. The stomach nourishing composition comprises radix glehniae, radix paeoniae alba, radix scutellariae, cortex magnoliae officinalis, pericarpium citri reticulatae, radix aucklandiae, radix salviae miltiorrhizae, scorched hawthorn fruits, fried malt, fried rice sprouts and radix glycyrrhizae. The stomach nourishing composition is subjected to soaking, decoction, concentration, sterilization, separation and preparation forming to obtain a stomach nourishing mixture. The invention also discloses an identification method of effective ingredients of the nourishing stomach mixture and a content measuring method of the effective ingredients. The disclosed stomach nourishing mixture is prepared from pure traditional Chinese medicine and hassmall side effects and a low cost, the medical burden of a patient is reduced, and favorable conditions are created for smooth popularization of the stomach nourishing mixture. The provided identification method of the effective ingredients of the nourishing stomach mixture and the measuring method of the effective ingredients can ensure that the medicinal effect of the screened mixture accords with pharmacopoeia specifications, and the therapeutic effect of the stomach nourishing mixture is ensured. At the same time, the screened mixture satisfies the testing standards of modern medicine andaccords with the pharmacopoeia specifications during application, and the last link for clinical application and popularization of the stomach nourishing mixture is opened.

The invention discloses health-preserving tulip and a preparation method thereof. The health-preserving tulip comprises the following raw materials: agilawood, storax, rhizoma atractylodis, rhizoma cyrtomii, lignum dalbergiae odoriferae, anise, fennel, flos caryophylli, fructus caryophylli, cortex cinnamomi, gallnut, radix angelicae, giant hyssop, lysimachia foenum-graecum, radix et rhizoma rhei,rhizoma nardostachyos, agastache rugosus, fructus citri sarcodactylis, flos magnoliae, herba asari cum radice, XinHui dried tangerine peel, camphor, radix angelicae sinensis, benzoin, thuja, Chinese liquor, honey and clay. The health-preserving tulip has the beneficial effects that the health-preserving tulip has the effects of soothing the nerves and relieving insomnia when being internally used,can repel foulness with fragrance when being used externally, and has a good environment disinfection effect.

The invention discloses a production method of a low-smoke halogen-free flame-retardant cable taping, and belongs to the production technical field of cable taping used for lapping of cables. According to the production method, polypropylene fiber and polyester fiber are mixed; a non-woven fabric product is obtained via opening, scutching, carding, lapping, drafting, needle punching, and hot rolling; the non-woven fabric product is subjected to strip cutting so as to obtain the low-smoke halogen-free flame-retardant cable taping. The production method is characterized in that: in the process of lapping, uniformly mixed polyacrylate emulsion and gas phase method white carbon black are sprayed onto mesh sides of adjacent layers. The low-smoke halogen-free flame-retardant cable taping is used for lapping and binding of flame-retardant cable cores; the low-smoke halogen-free flame-retardant cable taping is low in smoke, contains no halogen, glass fiber, or asbestos, and accords with ROHS detection standards; elongation at break is larger than 10%; gram weight is light; thickness is low; oxygen index is larger than 50%; the elongation at break of similar common products is 0%; the low-smoke halogen-free flame-retardant cable taping is relatively soft; fracture is not caused by more than 20 times of folding; upwarping is not caused in cable lapping; the low-smoke halogen-free flame-retardant cable taping can be completely used in lapping; appearance after shielding is rounding; and no wave-shaped product is produced.