36results about How to "No health threat" patented technology

The invention discloses a fully degradable polyglycolic acid composite packaging material, which is prepared from the following components in parts by weight: polyglycolic acid, polycaprolactone, poly(L-lactide-Epsilon-caprolactone), anti-block agent, slippery agent, toughening agent, water barrier, chitosan, reinforcing fiber and the like. The invention also provides a preparation method of the fully degradable polyglycolic acid composite packaging material. The invention has the following advantages: microbial degradability and hydrolysis are good, the final form of the completely biodegradable material after decomposition is water and carbon dioxide, and there is no pollution to the environment; the material is safe and non-toxic, there is no potential health threat to animals and humans; the material has good mechanical properties, fully meets the needs of various applications of packaging materials; in the case of no influence on the chemical properties, the low-cost and no environmental pollution fillers are added, and the cost is effectively reduced; the preparation process is simple.

The invention relates to an ash removal agent applied after closing of an aluminum alloy anodizing technology and a preparation method thereof. The ash removal agent is applied after the closing of the aluminum alloy anodizing; the ash removal agent is prepared from the following components in parts by weight: 50-200 parts of sulfuric acid, 2-100 parts of hexavalent iron salt, 5-50 parts of trivalent iron salt, 10-50 parts of hydrogen peroxide and 5-50 parts of a corrosion inhibitor. The ash removal agent applied after closing of the aluminum alloy anodizing technology is applied for ash removal in the neutralizing treatment process after aluminum alloy pretreatment, and the ash removal is fast and environmentally friendly; moreover, the aluminum alloy is soaked to remove ash, and the ashremoval can totally act on each position of the aluminum alloy without leaving dead angle or residue; toxic or harmful gases are not generated during the ash removal; without hexavalent chromium, theash removal agent does not pose a threat to the health of operators; the preparation technology of the ash removal agent is simple, efficient, energy-saving and environmentally friendly.

The invention discloses a mehtod for detecting spring viremia of carp virus based on a liquid chip. The invention provides a specific primer pair for assisting in identification of the spring viremia of the carp virus, which comprises single-stranded DNA (deoxyribonucleic acid) molecules as shown in a sequence 1 in a sequence table and the single-stranded DNA molecules as shown in a sequence 2 in the sequence table. The invention further protects a primer probe composition for assisting in identification of the spring viremia of the carp virus, which comprises the specific primer pair and a probe T1, wherein the nucleotide sequence of the probe T1 is as shown in a sequence 3 in the sequence table. The specific primer pair provided by the invention has good specificity when being used for identifying the spring viremia of the carp virus. The primer probe composition combined liquid chip provided by the invention has the advantages of good specificity, high sensitivity, simplicity and convenience in operation, short time, no environmental pollution, no threat to human health and high-throughput detection when being used for identifying the spring viremia of the carp virus. The method disclosed by the invention is very suitable for detecting import and export aquatic animals.

The invention discloses a magnesium alloy microetching agent, which comprises the following components in parts by weight: inorganic acid: 50-100 parts, organic acid: 100-200 parts, slow-release agent: 20-50 parts, organic alcohol: 10- 50 parts, surfactant: 0.5-10 parts, wherein said inorganic acid includes at least one of sulfuric acid and nitric acid. The magnesium alloy microetching agent is chrome-free and phosphorus-free, and can form nano-scale holes on the surface of the magnesium alloy to enhance the bonding force between the magnesium alloy and resin. The invention also discloses a magnesium alloy nano-injection surface treatment process using the microetching agent, including degreasing, micro-etching, ash removal, surface adjustment, T treatment, and baking. The magnesium alloy nano-injection surface treatment process enhances magnesium The combination of alloy and resin components can reach the surface of nano-scale micropores without electrolytic hole expansion, suitable for magnesium alloys AZ91D and AZ31B.

The invention discloses a biological antibacterial shower gel, which is composed of the following raw materials in parts by weight: 3 to 8 parts of tea saponin water extraction fermentation liquid, 4 to 10 parts of Sapindus sapindus water extraction fermentation liquid, octenyl succinate glucose 5-9 parts of ester, 0.3-0.5 part of hydrogenated castor oil, 10-15 parts of goat whey enzymolysis solution, 5-10 parts of nano-degraded chitosan, 0.05-0.1 part of sodium polyaspartate, anhydrous citric acid 0.2~0.6 parts, 4~12 parts of medical stone powder, 3~6 parts of inactivated probiotics, 42~75 parts of deionized water. The biological antibacterial shower gel provided by the invention has a simple preparation method, and the components used are non-toxic or extremely low in toxicity, non-irritating to the skin, safe to use, low in residue, and will not pose a threat to health. It has a faint fragrance of camellia oil. On the one hand, it can absorb the dirt and oil in the deep layer of the skin, and fully clean the skin; on the other hand, it has the functions of moisturizing, whitening, anti-aging, anti-inflammatory, repairing and antibacterial.

The invention discloses a mehtod for detecting shrimp white spot disease virus based on a liquid chip. The invention provides a specific primer pair for assisting in identification of the shrimp white spot disease virus, which comprises single-stranded DNA (deoxyribonucleic acid) molecules as shown in a sequence 1 in a sequence table and the single-stranded DNA molecules as shown in a sequence 2 in the sequence table. The invention further protects a primer probe composition for assisting in identification of the shrimp white spot disease virus, which comprises the specific primer pair and a probe T1, wherein the nucleotide sequence of the probe T1 is as shown in a sequence 3 in the sequence table. The specific primer pair provided by the invention has good specificity when being used for identifying the shrimp white spot disease virus. The primer probe composition combined liquid chip provided by the invention has the advantages of good specificity, high sensitivity, simplicity and convenience in operation, short time, no environmental pollution, no threat to human health and high-throughput detection when being used for identifying the shrimp white spot disease virus. The method disclosed by the invention is very suitable for detecting import and export aquatic animals.

The invention discloses a method for detecting an epizootic haematopoietic necrosis virus based on liquid-phase chip. The invention provides a specific primer pair for identifying the epizootic haematopoietic necrosis virus in an auxiliary manner, wherein the specific primer pair is composed of a single-chain DNA (Deoxyribonucleic Acid) molecule as shown in sequence 1 of a sequence table and the single-chain DNA molecule as shown in sequence 2 of the sequence table. The invention further protects a primer probe composition for identifying the epizootic haematopoietic necrosis virus in the auxiliary manner, wherein the primer probe composition is composed of the specific primer pair and a probe T1; and a nucleotide sequence of the probe T1 is as shown in sequence 3 of the sequence table. The specific primer pair provided by the invention has good specificity in identifying the epizootic haematopoietic necrosis virus. The primer probe composition provided by the invention is combined with the liquid-phase chip to identify the epizootic haematopoietic necrosis virus, and therefore, the method has the advantages of being good in specificity, high in sensitivity, simple to operate, short in needed time, free of environmental pollution, free of health risks to the people and capable of carrying out high-flux detection.

The invention discloses a micropore atomization method and a device for applying the same. The micropore atomization device applying the micropore atomization method is connected with a water supply cavity body and a water consumption cavity body by a guiding pipe; a micropore atomization module is arranged on an outer wall of the water consumption cavity body; during a working process of liquid atomization, the water consumption cavity body is at a seal state, so that in a process that the micropore atomization module arranged on a side wall of the water consumption cavity body consumes liquid in the water consumption cavity body, negative pressure is generated in the water consumption cavity body, and under the action of the negative pressure, the water supply cavity body supplies water into the water consumption cavity body through athe guiding pipe so as to supply power to enable the micropore atomization module to work uninterruptibly. The atomization method is simple to operate, the device applying the method is very convenient to use and operate, bacteria cannot be bred easily, and threats on human health iscan be avoided. The micropore atomization method and the device for applying the same are applied in the field of micropore atomization.

The invention discloses an anodic oxide film pre-hole-sealing method and hole sealing agent. The method comprises pre-sealing and spraying protection. The invention simultaneously discloses a scheme of the hole sealing agent for pre-hole-sealing of an anodic oxide film of an aluminum alloy workpiece, and the main components of a protective agent, wherein the hole sealing agent comprises the following components of 2-10 g / l of nickel salt, 0.5-10 g / l of fluoride, 0.1-0.5 g / l of a complexing agent, 0.1-0.5 g / l of a dust inhibitor, 0.001-0.1 g / l of a pH conditioning agent, 0.01-0.1 g / l of graphene oxide, 0.05-2 g / l of a surfactant, and pure water is taken as a solvent. Compared with the prior art, the method is simple, the corrosion resistance, alkali resistance, continuous acid-alkali resistance and car washing alkali resistance of the processed anodic oxide film of the aluminum alloy workpiece can pass tests, the high-temperature thermal cracking resistance is stable, and the antifouling capability is strong.