41results about How to "Extend activation time" patented technology

A secure video camera device for reducing the risk of visual and audio eavesdropping has a video camera and an electromechanical shutter behind a transparent cover in a secured enclosure. The shutter optically obscures the camera lens when the device is in secure state. A visual indicator indicates when the device is in operational state. A switch controllable by the user, select the state of the device by concurrently disabling the camera turning off the visual indicator in a secure state; and setting said device in an operational state by concurrently enabling the camera and turning on said lighted indicator. The device has a built in, or auxiliary microphone, and audio outputs which are disabled in secure state of the device. The device is tempered proof by an anti-tempering circuitry.

The new process for preparing cellulose carbamate by using urea intercalation method includes the following steps: fully activating cellulose paste in alkaline liquor and filtering, then mixing activated cellulose with urea fully, and making them produce reaction in an inert solvent system so as to form cellulose carbamate. After the reaction is completed, the inert solvent can be separated from reaction mixture, the obtained product can be washed with hot water and purified, and the by-product in the washing liquor can be recovered and reused.

The invention relates to a novel rotary activation furnace. In the invention, water vapor-air of a steam rake furnace is activated and transferred to the rotary activation furnace by utilizing the advantages of low manufacturing cost, continuity and automation of the rotary activation furnace, therefore, the activation temperature in the rotary furnace is greatly raised, the activation time in a high temperature region is lengthened, and the effect of remarkably enhancing the product quality is achieved. The novel rotary activation furnace manufactured according to the innovative principle has the characteristics of low equipment manufacturing cost, continuous and automatic operation, low labor intensity, excellent product quality, and the like.

The invention discloses a system and a method for treatment and recovery of electronic electroplating wastewater. The system comprises a wastewater recovery and treatment unit and an RO (reverse osmosis) concentrate treatment unit. A grille, an adjusting tank, a coagulation reaction device, a settlement and membrane separation device, an ozone oxidation tank, an ozone digestion tank, a cartridge filter and an RO device are connected to the wastewater recovery and treatment unit sequentially. A hydrolytic acidification tank, a contact oxidation tank and a settling tank are connected to the RO concentrate treatment unit. The electronic electroplating wastewater is treated through the grille, the adjusting tank, the coagulation reaction device, the settlement and membrane separation device, the ozone oxidation tank, the ozone digestion device, the cartridge filter and the RO device. RO fresh water is then reused on an electronic electroplating line. RO condensed water is effectively treated through the hydrolytic acidification tank and the contact oxidation tank and stably meets the primary specification GB8978-1996 of integrated wastewater discharge standard, and discharge requirements DB4426-2001 of discharge limits of water pollutants of Guangdong.

The invention discloses a high-potential and high-power thermal battery cathode material, which is prepared from the following raw materials by weight percentage: 50-95% of composite high-potential active cathode material, 4-49.5% of high-ionic-conductivity electrolyte and 0.5-20% of high-conductivity electronic conductive agent. The composite high-potential active cathode material is composed of,by weight percentage, 5-95% of FeF3 and 5-95% of FeF2. The high-ionic-conductivity electrolyte is LiF-NaF-LiCl or LiF-KF-LiCl eutectic molten salt. The thermal battery cathode material of the invention can significantly improve the monomer potential of thermal battery cathodes to more than 3.2V, significantly reduce the number of series monomers under high voltage, reduce the battery height, is not miscible with high-ionic-conductivity electrolyte, and has excellent high-power pulse carrying capacity, fast reaction characteristic and high-power load and fast activation capabilities.

The present invention provides a method used for synthesizing p methoxyacetophenone with phenol. The method comprises the following steps: an acylating agent and the phenol react to prepare phenyl acetate with a catalyst; the phenyl acetate is recomposed and separated to prepare acetyl phenol; the acetyl phenol is used for preparing the p methoxyacetophenone through methoxylation. Compared with the traditional synthetic method of the p methoxyacetophenone, the method has the characteristics of low price in producing the raw materials, mild experimental conditions, less by-products in the experiment and high yield of the product.

A method for activating a restraint system in a vehicle, in which the restraint system is activated as a function of a speed, an activation characteristic, and at least one quantity derived from an acceleration signal, and in which the at least one quantity exceeds a threshold function that is set as a function of the impact speed and a required activation time. The activation characteristic of a particular accident type runs linearly to a first impact speed value. The activation characteristic runs with a second slope between the first impact speed and a second impact speed value, the first and the second impact speed value depending on the particular vehicle type.

Provided is a method of minimizing power consumed by each node in a wireless network when communicating with neighboring nodes.

Unlike a conventional synchronous media access control (MAC), the present invention suggests an asynchronous MAC. Thus, the active duration of a node extends only when transmitting a large quantity of data and the extended active duration returns to the minimum active duration again after completing the data transmission.

The invention discloses a coconut shell carbonization material activation furnace. The coconut shell carbonization material activation furnace comprises a combustion chamber and a furnace body, wherein the furnace body comprises a furnace wall, a hearth and a cooling section, the combustion chamber and the hearth are communicated through a first gas pipeline, a carbonization section, an additional carbonization section and an activation section which are communicated with one another are arranged in the hearth, the carbonization section is communicated with a material feeding hole, a plurality of material channels are arranged in the carbonization section, a plurality of first filter screens are arranged in each material channel, the additional carbonization section is arranged at the lower part of the carbonization section, a plurality of second filter screens are arranged in the additional carbonization section, the activation section is arranged below the additional carbonization section, a wave-shaped plate body is arranged at the bottom of the activation section, a plurality of small holes are formed in the plate body, the cooling section is communicated with the activation section, and a material outlet is formed in the cooling section. The coconut shell carbonization material activation furnace is concise in structure, economical and practical, compared with the traditional activation furnace, the coconut shell carbonization material activation furnace has the activation rate increased by 20%, and besides, the quality of a coconut shell activated carbon finished product is high, and the surface of the coconut shell activated carbon finished product is not cracked.

The invention discloses a technique for shortening activation time of thermal batteries. An ignition strip on the periphery of a galvanic pile is turned upwards to the lower part of a mesopore asbestos pad; the ignition strip is directly burnt after an electric igniter is detonated; and heating substances in each single battery are ignited through the ignition strip from top to bottom, so that the thermal batteries are activated. According to the technique, traditional activation processes of detonating the electric igniter, igniting a heating plate, burning the ignition strip and finally igniting each single battery from top to bottom are changed into the processes of directly burning the ignition strip after detonating the electric igniter and then igniting each single battery from top to bottom, so that the activation time can be shortened by about 0.1-0.2 second; and the technique is simple in process, does not generate a redundant substance, and is of great significance in improvement of the activation time.

The invention discloses a long-activation-period water-based two-component polyurethane curing agent as well as a preparation method and application thereof. The preparation method comprises the following steps: uniformly mixing monofunctional hydrophilic polyether and a diisocyanate monomer at room temperature, adding a catalyst, conducting heating to 50 DEG C and 90 DEG C, conducting reacting for 1-4h until the NCO content of the system reaches a theoretical value, adding a polymerization inhibitor, conducting cooling to room temperature, and conducting discharging, and adding a polyisocyanate curing agent accounting for 80-99.5% of the total mass of the raw materials into the obtained product to prepare the long-activation-period water-based two-component polyurethane curing agent. The non-ionic hydrophilic long-chain-containing isocyanate compound is introduced into the isocyanate curing agent and matched with the water-based hydroxyl resin for paint preparation, and the reaction speed of -NCO and -OH is reduced in the film forming process due to the shielding effect of a hydrophilic long chain, so that the activation time of paint preparation is prolonged, the gloss of a coating can be reduced, and the construction performance of the curing agent is improved.

A neutron activator for neutron activation of a material, the neutron activator being configured to produce neutrons from an interaction with a proton beam (7), the neutron activator comprising:

• • a neutron source comprising a metallic target (1), and
  • a Beryllium first reflector-moderator (4) peripheral to the neutron source and comprising a neutron activation area (10) configured to accommodate the neutron source and the material to be activated, the neutron activation area (10) of the first reflector-moderator (4) comprising a bore configured to accommodate the neutron source.

The invention discloses a method for surface treatment of wireless charging flexible circuit boards, which comprises the following steps: a slightly sticky film is pasted on each flexible circuit board before gold depositing treatment of the flexible circuit boards; S2, windows are opened at the positions of the pads of the flexible circuit boards, wherein the positions and sizes of the windows ofthe slightly sticky film are the same with those of the windows of a covering film; S3, the flexible circuit boards are treated by plasma and grinding; S4m the slightly sticky films on the flexible circuit boards are torn open, and the flexible circuit boards are sandblasted; S5, gold depositing treatment is carried out on the flexible circuit boards, two flexible circuit boards are placed on each grid of a hanging basket, and the flexible circuit boards are placed in an activation cylinder for gold deposition in a way in which the back is exposed relative to the pad surface; and S6, the flexible circuit boards are taken out, and whether the flexible circuit boards are good or bad is checked. The method of the invention can improve the quality of products, has high production efficiency,and is suitable for mass production.