479results about How to "Won't spoil" patented technology

The process of preparing slow-released chlorine dioxide microcapsule includes the following steps: 1. mixing chlorine dioxide aqua and beta-cyclodextrin in the mass ratio of 1 to 2-10 at 0-20deg.c through stirring; and 2. drying at 20-60deg.c for 0.5-5 hr and grinding. The microcapsule has its core separated from outside and not affected by outer humidity, oxygen, ultraviolet ray, etc. and the present invention adopts microcapsule technology in preparing disinfectant and stabilized chlorine dioxide.

The present invention discloses a photothermally responsive smart energy saving composite film, and is comprised of a reversible photochromism containing a spiropyran material and a vanadium dioxide based reversible thermochromism material. The smart energy saving composite film can be used to prepare one or more layers of alternating and composite color-changeable films, and is both decorative and functional, which is suitable for the requirement of energy saving in architecture and can be widely used in spheres like doors and windows of buildings and energy-saving and safe glasses of cars as well as agricultural green house films. The smart energy saving composite film is based on the photothermal response technology, has a good color changing effect, a good anti-aging property and good stability, can reduce the energy consumption and carbon emission, and has a wide market prospect.

The invention relates to nitrogen-sulfur codoped fluorescent carbon dots with high quantum yield as well as a preparation method and an application of the nitrogen-sulfur codoped fluorescent carbon dots. According to the technical scheme, tartaric acid and L-cysteine are added to a hydrothermal reactor, a mixture is subjected to a heating reaction for 3-8 h at the temperature of 160-210 DEG C, naturally cooled to the room temperature ultrapure water is added for dissolving, a mixed solution is filtered, centrifuged, dialyzed and freeze-dried, and purified fluorescent carbon dot powder is obtained. The quantum yield of the fluorescent carbon dots can reach 19.1%. The nitrogen-sulfur codoped fluorescent carbon dots can be applied to fingerprint detection and Hg<2+> detection and have great significance for fingerprint development and extraction. Besides, sulfydryl in the nitrogen-sulfur codoped fluorescent carbon dots has strong affinity effect with Hg<2+>, and therefore, the nitrogen-sulfur codoped fluorescent carbon dots have great significance in study on the environmental chemistry. Finally, the fluorescent carbon dots can also be applied to degradation of methylene blue in printing and dyeing wastewater.

Disclosed is sugar response supramolecular gel with a G-quadruplex structure. A preparation method includes: taking sugar response of 2-formylphenylboronic acid as a center; utilizing a vicinal diol structure that vernine has to react with the 2-formylphenylboronic acid to form dynamic covalent bond boron ester bond; enabling primary amine in tri(2-amino ethyl)amine and aldehyde group of the 2-formylphenylboronic acid to form dynamic imine bond; forming the G-quartet structure when potassium ions among basic groups of vernine are stable. The sugar response supramolecular gel can be used for detecting release effect of methylthionine chloride in a glucose solution and an acidic solution. The sugar response supramolecular gel and the preparation method have the advantages that the gel prepared by the method is stable, high in strength, high in sugar response performance and capable of loading a lot of macromolecular / micromolecular gel; raw materials related to the preparation method are simple, and the supramolecular gel can be prepared by utilizing micromolecules while complex synthesis steps are not needed, so that cost is low, production process is simple, products can be stored for a long time without going bad, the raw materials are low in toxicity, and the preparation method is easy to popularize and apply.

The invention discloses a cooling device for a dairy product. The cooling device comprises a cooling and heat preservation treatment box, a handle, connection fixing blocks, a protection cover, a stress rotating shaft, a display screen and a regulating and controlling device, the two connection fixing blocks are correspondingly welded to the two side faces of the cooling and heat preservation treatment box and are symmetrically distributed, the cooling and heat preservation treatment box comprises a protection shell, auxiliary inclined sliding devices, a cooling and heat preservation device, ato-be-triggered power storage box, a pushing stretchable support and conductive energy conversion devices, and the pushing the stretchable support is installed between the two conductive energy conversion devices and are movably connected with the two conductive energy conversion devices. Based on the prior art, the cooling device is characterized in that the adjustment on the temperature of thedevice can be achieved through the outside, when an internal temperature sensing device senses that the internal temperature is higher than a value, equipment inside the device can be triggered to enable refrigeration equipment inside the device to be started, the refrigeration equipment is pushed to an outer ring of the dairy product to perform rapid cooling on the interior of the device, and when the temperature inside the device is reduced, operation of the refrigeration equipment is stopped, and a heat preservation layer is arranged inside the device so that the temperature of the device cannot be reduced so quickly.

The invention relates to a seawater desalination de-foaming agent as well as a preparation method and application thereof. The de-foaming agent is prepared from silicon paste, polyether modified organic silicon, an emulsifier, a thickening agent and water, wherein the mass percent of the silicon paste is 5 to 20 percent, the mass percent of the polyether modified organic silicon is 10 to 30 percent, the mass percent of the emulsifier is 2 to 10 percent and the mass percent of the thickening agent is 0.5 to 2 percent. The preparation method comprises the following steps: (1) weighing the silicon paste, the polyether modified organic silicon and the emulsifier according to the mass percent and mixing at 70 to 80 DEG C to obtain a mixture; (2) preparing the thickening agent into a water solution; (3) injecting 1 / 3 or less of the thickening agent water solution into the mixture of step (1); after uniformly mixing, adding the residual thickening agent water solution in batches to obtain thede-foaming agent. The de-foaming agent provided by the invention has the characteristics of high stability, rapid de-foaming speed, good foam inhibition performance, good compatibility with a scale inhibitor and the like and has good environment-friendly performance and a wide application prospect.

The invention discloses an instant bird's nest product and a production process thereof. The production process specifically comprises the following steps: evenly and flatly laying bird's nests in a closed space for moisture regaining till the moisture content of the bird's nests is 30%-50%; transferring the bird's nests subjected to moisture regaining into a preheated steaming device, and closinga door for steaming to obtain a dried bird's nest product; soaking the dried bird's nest product in purified water, and after the swelling rate reaches 4.0-6.0 times, picking and removing impuritiesand foreign matters in the bird's nests, and spin-drying the bird's nests for later use; sub-packaging the obtained bird's nests into a container, adding a sugar solution for opening sealing, and carrying out sealing to obtain a pre-finished bird's nest product; and finally, putting the pre-finished bird's nest product into a sterilization pot, heating the sterilization pot, stewing and sterilizing the pre-finished bird's nest product, and cooling the pre-finished bird's nest product at normal temperature to obtain the instant bird's nest product. Under the condition that the taste of the currently stewed bird's nest is not changed, the nutritional value of the bird's nest is kept. The bird's nest product has good rehydration property, is convenient to carry, has the characteristic of long-term storage without adding preservatives, and is suitable for industrial production.

A dental article is formed by a polymer material obtained by the polymerization of at least a cycloolefin. A process for the surface modification of a dental article formed by a polymer material obtained by the polymerization of at least a cycloolefin, comprises applying a graft polymerization initiator over the surface of the dental article, supplying a reactive monomer onto the coated surface of the article, and then subjecting the coat to graft photopolymerization.

The invention relates to a portable hydrogen generator and a method for producing hydrogen by hydroboron, which has high hydrogen producing speed and high safety. The method is characterized in that the hydrogen producing hydroboron is a mixture formed by mixing the hydrogen producing hydroboron with boron and oxygen compounds according to the B atom molar ratio of 1:(4-0.5); and the hydrogen generator is provided with an air bag and / or a mechanical stirring device which is driven by utilizing pressure change under the hydrogen producing mixture in a hydrogen producing mixture storing seal container. The invention overcomes the defects of hydrolysis hydrogen preparation by a hydroboron caustic alkali solution and hydrogen preparation by using catalyst and has high hydrogen producing speed by reaction with water and can finish the reaction in 3-10 seconds; and the hydrogen producing mixture is safe and stable at normal temperature and normal pressure without automatically discharging hydrogen, therefore, the hydrogen producing mixture can be stored for a long time. The portable hydrogen generator has the advantages of simple equipment and convenient carrying and use; and because the stirring or creeping device is arranged under the position for storing the reaction hydrogen producing mixture, the portable hydrogen generator has high safety and is more beneficial to complete and thorough reaction.

The invention belongs to the field of municipal engineering technologies, and especially relates to a water purifying and water storing unit, and a water purifying and water storing system provided with the water purifying and water storing unit, which are used for collection, filtration, purification treatment and storage of rain water. The container wall of a water container of the water purifying and water storing unit is water resistant; a water discharging well and invisible wells around the water discharging well are arranged in the water container; pervious structures are employed for the well walls of the water discharging well and the invisible wells; spaces between the water discharging well and the container wall of the water container, and spaces between the invisible wells and the container wall of the water container are all filled with a filling material; and a pervious surface bed is arranged on the invisible wells and the filling material. A combination mode of ventilation anti-seepage treatment and concrete floor is employed for the well bottom of the water discharging well and the invisible wells, so that water will not deteriorate, and subsidence of the water discharging well and the invisible wells will not happen; hexagonal honeycomb structures are employed for the water discharging well and the invisible wells, so that the structures are stable, specific surface area is large, carriers are provided for biofiml formation, water processing performance is obtained, and no energy is consumed.