Abstract: Provided herein is a nucleic acid extraction and the structure of a reaction chamber is improved such that a piston, a reaction chamber and a magnetic rod are independent of one another, magnetic beads are more concentrated, more sufficient adsorption, washing and elution are achieved, dead corners are eliminated, when the nucleic acid extraction and amplification device is used to perform nucleic acid extraction and amplification. The sensitivity and accuracy of nucleic acid detection can be further improved, and missing and wrong detection can be avoided.

Abstract: A humidity protection shield assembly for a carbon nanotube (CNT) fabric composite heater assembly. The humidity protection shield assembly includes a first portion and a second portion. The CNT assembly is disposed between the first portion and the second portion. The first portion includes at least one of one or more first di-electric layers or one or more first thermoplastic/thermoplastic composite di-electric layers; at least one of a first carbon fiber layer or a first composite carbon fiber layer; and at least one of a first metal humidity layer or a first metalized film humidity layer. The second portion includes at least one of one or more second di-electric layers or one or more second thermoplastic/thermoplastic composite di-electric layers; at least one of a second carbon fiber layer or a second composite carbon fiber layer; and at least one of a second metal humidity layer or a second metalized film humidity layer.

Abstract: A high-performance lithium manganese oxide cathode material with a low oxygen vacancy proportion is provided. According to characterization by electron paramagnetic resonance spectroscopy (EPR), an oxygen vacancy content in the high-performance lithium manganese oxide cathode material is 10 ppm to 10,000 ppm. A preparation method of the cathode material includes the following steps: thoroughly mixing a Li source compound, a Mn source compound, and a fluxing agent element-containing compound, and conducting first calcination in an air atmosphere to produce a first calcined product; mixing the first calcined product with a monovalent metal ion-containing compound, and conducting second calcination in an air atmosphere, where a temperature of the second calcination is lower than a temperature of the first calcination; and cooling and crushing.

Abstract: A low clearance fluid coupling is provided. The low clearance fluid coupling includes a sleeve/fitting body; a tube, a ferrule, and an elastomeric O-ring seal. An end of the tube is configured to be inserted within an end of the sleeve/fitting body. The ferrule is configured to surround an outer circumference of the tube and is further configured to interface with the sleeve/fitting body. The elastomeric O-ring seal configured to prevent or reduce liquid from passing through to the ferrule.

Abstract: A potted cavity fitting. The potted cavity fitting includes a fitting, a first cavity configured within the fitting, and a second cavity configured within the fitting. The fitting is configured to receive an end of a tube and a portion from the end of the tube. The first cavity is configured to retain a first mechanism the prevent or reduce liquid from passing through. The second cavity is configured to retain a second mechanism at least one of coupled to or formed within the tube.

Abstract: A low clearance fluid coupling is provided. The low clearance fluid coupling includes a sleeve/fitting body; a tube, a ferrule, and an elastomeric O-ring seal. An end of the tube is configured to be inserted within an end of the sleeve/fitting body. The ferrule is configured to surround an outer circumference of the tube and is further configured to interface with the sleeve/fitting body. The elastomeric O-ring seal configured to prevent or reduce liquid from passing through to the ferrule.

Abstract: A hybrid deicing system is disclosed herein. The hybrid deicing system includes a first deicing system coupled to a high critical zone of a control surface, the first deicing system providing thermal energy to the high critical zone of the control surface to remove ice from the control surface, a second deicing system coupled to a low critical zone of the control surface, the second deicing system configured to vibrate the control surface to remove ice from the control surface, and a controller configured to control the first deicing system and the second deicing system.

Abstract: Disclosed is a method of manufacturing a stainless steel component, the method including texturizing a stainless steel substrate by bead blasting to provide a texturized stainless steel. The stainless steel substrate includes grade 316 austenitic stainless steel. The method also includes treating the texturized stainless steel with a passivation solution to provide a passivated stainless steel. The method further includes treating the passivated stainless steel with an oxidizing solution including sulfuric acid and hydrogen peroxide at a temperature of about 130 to about 200 degrees Fahrenheit for at least 50 minutes to provide an antimicrobial stainless steel surface that is free of a separate coating. The method includes obtaining at least 99.9% E. coli reduction as measured by JIS Z 2801:2010 test on the antimicrobial stainless steel without a separate coating.

Abstract: Aircraft ice protection systems and methods include an aircraft component having an internal layer and an external layer, a piezoelectric actuator element embedded within the aircraft component between material of the internal layer and the external layer, and a control system operably connected to the piezoelectric actuator element and configured to drive actuation of the piezoelectric actuator element to at least one of remove ice formed on the aircraft component and prevent the formation of ice on the aircraft component.

Abstract: A sustainable hybrid piezoelectric matrix ice protection system is provided. The system includes at least one energy harvester and anti-icing device and an energy storage device. Responsive to electrical power generated by the at least one energy harvester and anti-icing device being greater than a first threshold, the at least one energy harvester and anti-icing device stores the electrical power in the energy storage device. Responsive to the electrical power generated by the at least one energy harvester and anti-icing device being less than the first threshold, the at least one energy harvester and anti-icing device generates continuous, low-frequency vibrations for anti-icing.

Abstract: A hybrid deicing system is disclosed herein. The hybrid deicing system includes a first deicing system coupled to a high critical zone of a control surface, the first deicing system providing thermal energy to the high critical zone of the control surface to remove ice from the control surface, a second deicing system coupled to a low critical zone of the control surface, the second deicing system configured to vibrate the control surface to remove ice from the control surface, and a controller configured to control the first deicing system and the second deicing system.

Abstract: A piezoelectric deicing system is disclosed herein. The piezoelectric deicing system includes a flexible piezoelectric patch array including a plurality of piezoelectric devices, the plurality of piezoelectric devices configured to vibrate in response to a voltage applied at a frequency, an protective material surrounding the flexible piezoelectric patch array, wherein the protective material and the flexible piezoelectric patch array are configured to conform to a surface, and a controller operatively coupled to each of the plurality of piezoelectric devices, wherein the controller is configured to operate the plurality of piezoelectric devices over a frequency range for a period of time, the frequency applied to each of the plurality of piezoelectric devices changing by a sweep rate.

Abstract: A sustainable hybrid piezoelectric matrix ice protection system is provided. The system includes at least one energy harvester and anti-icing device and an energy storage device. Responsive to electrical power generated by the at least one energy harvester and anti-icing device being greater than a first threshold, the at least one energy harvester and anti-icing device stores the electrical power in the energy storage device. Responsive to the electrical power generated by the at least one energy harvester and anti-icing device being less than the first threshold, the at least one energy harvester and anti-icing device generates continuous, low-frequency vibrations for anti-icing.

Abstract: An ice protection system may include a blade and an electrothermal heater including a carbon nanotube (CNT) element and a metal element. The CNT element may be a CNT fabric or a CNT yarn. The metal element may be coupled to the CNT element via a metallization process, or the like. The electrothermal heater element may include an electric sheet resistivity between 0.01 and 0.5 ohms/square.

Abstract: A method for forming an aircraft component includes forming an inner portion of the aircraft component. The method further includes forming an outer layer of the aircraft component using extrusion of an elastomeric material. The method further includes coupling the outer layer of the aircraft component to the inner portion of the aircraft component.

Abstract: A method of manufacturing a metal component with an anti-microbial molecular layer may comprise: disposing the metal component in a piranha solution; washing the metal component; and grafting a surface of the metal component with a Si-Quat or hybrid Si-Quat molecular layer.

Abstract: The present disclosure provides for heater failure detection assemblies/systems and related methods of fabrication and use. More particularly, the present disclosure provides for heater failure detection assemblies/systems for aircraft or the like, with the heater failure detection assemblies/systems utilizing thermal images to detect the operation or failure of an aircraft heater.

Abstract: Disclosed is the use of dihydroporphin derived from chlorophyll as a plant growth regulator. Compared with the prior art, a class of new type plant growth regulators are provided; since the direct decomposition product of chlorophyll is used as a product, the preparation and processing thereof are easier, the structure is relatively simple, and tedious reactions and preparations such as further chemical coordination/chelation/purification are eliminated, so that the product is more environmentally friendly and safer; the product has a better solubility than the corresponding metal chelate and has a more convenient method of use, making it more convenient to be used in the fields; the stability of the product has been improved, with stable quality assurance and a longer shelf life; the product has a natural source and uses a low amount of same due to a low effective dosage, thereby improving the utilization rate of silkworm excrement resources.

Abstract: A method of manufacturing a metal component with an anti-microbial molecular layer may comprise: disposing the metal component in a piranha solution; washing the metal component; and grafting a surface of the metal component with a Si-Quat or hybrid Si-Quat molecular layer.

Abstract: A method of making a blind hole in a wall of a multi-section tank during manufacture includes inserting a thin, flexible composite spacer ring in a hole in a composite material between mating parts of a soluble tool. The composite spacer ring is cured to the composite material during curing and maintains the hole between sections of the tank once completed.