560results about How to "Improve activation efficiency" patented technology

A semiconductor device has an MIS (metal-insulating film-semiconductor) structure, and a film mainly containing Al, O, and N atoms is used on a semiconductor. Alternatively, a semiconductor device has an MIS structure, and a film mainly containing Al, O, and N atoms is provided as a gate insulating film on a channel region between a source and a drain. Characteristics required of a gate insulating film of a 0.05 μm-gate-length-generation semiconductor transistor are satisfied. In particular, no fixed charge is included in the film, and impurity diffusion is reduced.

The present invention relates to a method for realizing automatic work unit in EPON which comprises procedures of OLT networking, ONU electrify automatic warrant/configuration, ONU networking, HG networking, speech port activation, disassembly, speech port deactivation, process of ONU port connecting equipment changing, and ONU replacing. The invention also provides a system of realizing automatic work unit in EPON. Workload of network maintenance center staff can be reduced effectively, and business establishment efficiency can be improved through the invention. Meanwhile, ONU automatic discovery, authorization and networking, automatic acquisition of configuration, automatic recognition of ONU externally hanging household gateway apparatus, ONU disassembly, household gateway disassembly, ONU cleft grafting, log management, and functional failure management can be realized through the method.

The invention discloses a water treatment method of zero-valent iron-copper bi-metal activated persulfate. The water treatment method specifically comprises the steps that bi-metals including zero-valent iron and copper are added into water containing micro-pollutants, then persulfate is added, full mixing is performed, the bi-metals including the zero-valent iron and the copper are utilized to activate the persulfate so as to remove the micro-pollutants in the water. The water treatment method utilizes the bi-metals including the zero-valent iron and the copper to efficiently activate the persulfate so as to produce free sulfate radicals having strong oxidizing property, can achieve the purpose of quickly and thoroughly removing micro-pollutants, including multiple types of poisonous and harmful micro-pollutants in water, such as polychlorinated biphenyl, brominated flame retardants, drugs and personal care products (PPCPs) and algal toxin, and has the advantages of high activation efficiency, high oxidation and degradation efficiency of pollutants, wide pH using range, convenient operation and the like. The water treatment method can be applied to underground water remediation, treatment of industrial water (including electroplating wastewater, hospital wastewater, printing and dyeing wastewater and the like), drinking water treatment, wastewater treatment and the like.

Fabric web comprising warp and/or weft optical fibres woven with warp and weft binding yarns, in which said optical fibres can emit light sideways characterised in that the surface of the binding yarns is provided with photocatalytic particles and in that said optical fibres include invasive alterations, whereby the free ends of said optical fibres can be positioned facing a light source in order to transmit light and emit light sideways at the aforementioned alterations so as to activate the photocatalytic particles.

The invention provides a data processing method and a device, and the method comprises the steps: a data acquisition layer module is used for collecting data from different kinds of interfaces; the data acquisition layer module stores the acquired data in a local storage medium; a data adaptation layer module acquires data from the local storage medium; the data adaptation layer module utilizes interface types corresponding to the acquired data to convert the acquired data into data in a specific format, and the converted data is provided to an upper layer application. According to the technical scheme of the invention, a network management system can access multi-vendor multi-protocol and non-standard northbound interfaces. Developers can only focus on data analysis and data conversion, the development difficulty of the developers can be reduced, the service starting complexity is reduced, the service starting efficiency is improved, so that network management system access time can be shortened, the stability and loose coupling can be improved, and the safety can be ensured.

A field stop structure is disclosed. The field stop structure is divided into a three-dimensional structure by a plurality of trenches formed on a back side of a silicon substrate and hence obtains a greater formation depth in the substrate and can achieve a higher ion activation efficiency. Moreover, a first electrode region of a fast recovered diode (FRD) is formed in the trenches, thereby enabling the integration of a FRD with an insulated gate bipolar transistor (IGBT) device. Methods for forming field stop structure and reverse conducting IGBT semiconductor device are also disclosed.

The present invention provides a small-activating RNA, which comprises a sense sequence containing 25-30 nucleotides and an antisense sequence containing 25-30 nucleotides, wherein at least 80% of the antisense sequence is complementary to the sense sequence, the sense sequence or antisense sequence contains the matching fragment having 19-25 nucleotides, and at least 80% of the sequence of the matching fragment is complementary to the fragment of the target gene regulation sequence. According to the present invention, the small-activating RNA adopted as the Dicer substrate can activate the gene expression at the transcriptional and epigenetic levels, effectively imitates the natural maturation process of the endogenous double-stranded small RNA, and effectively increases the efficiency of RNA activation.

The invention relates to the technical field of a fuel cell, and discloses a method and device for activating a fuel cell stack. The method for activating the fuel cell stack comprises the steps of allowing the fuel cell stack to continuously run for 5 minutes at 300A under a certain environment; allowing the fuel cell stack to continuously run for 90 seconds at 300A under another one environment,stopping running, continuing for 30 seconds, and repeating the step until an output power is not raised or an average voltage is not raised, or repeating the step for times more than or equal to 10 times and then performing the next step; and allowing the fuel cell stack to continuously run for 90 seconds at 300A under a third environment, allowing the fuel cell stack to stop running, continuingfor 30 seconds, repeating the step if the output power is lower than a preset power or the average voltage is lower than a preset voltage, otherwise completing the performance activation of the fuel cell stack. With the method and device for activating the fuel cell stack, disclosed by the embodiment of the invention, the performance of the fuel cell stack can be rapidly activated, the activationefficiency is improved, and the activation cost is reduced.

The invention discloses a method for treating water by using zero-valent iron-nickel bi-metal activated persulfate. According to the method, the zero-valent iron-nickel bi-metal activated persulfate is used, and micropollutants in the water are removed. The zero-valent iron-nickel bi-metal activated persulfate is used for efficiently generating high-oxidizing-property sulphate radical and high-oxidizing-property hydroxyl radical to attack the micropollutants, the micropollutants are degraded, and the purpose of quickly and thoroughly removing various poisonous and harmful micropollutants such as polychlorinated biphenyl, brominated flame retardants, medicines, personal care products (PPCPs) and algal toxin can be achieved. Compared with the existing the method for treating water by using zero-valent iron activated persulfate, the method has the advantages of high activating efficiency, high yield of the sulphate radical, high micropollutants removing efficiency and the like, is convenient and easy to operate, obvious in effect and wide in pH (potential of hydrogen) using range, and can be used for ground water remediation, treatment of industrial water comprising electroplating wastewater, wastewater of hospitals, printing and dyeing wastewater, treatment of drinking water, treatment of sewage and the like.

The invention belongs to the technical field of molecular sieves and preparation methods thereof, and particularly relates to a technique for preparing an Fe-ZSM-5 molecular sieve. According to the method, natural mineral diatomite is used as the raw material to provide all of the silicon source, aluminum source and iron source required by synthesis of Fe-ZSM-5, and conventional hydrothermal crystallization is carried out under the condition of not adding any organic template. The natural mineral diatomite is used as the raw material to provide all the silicon and aluminum sources required by the synthesis of the molecular sieve, the Fe2O3 impurity contained in the diatomite raw material is fully utilized as the iron source, and a conventional hydrothermal process is carried out under the condition of not adding any organic template, thereby preparing the framework-iron-containing ZSM-5 molecular sieve (Fe-ZSM-5 molecular sieve). The method has obvious advantages in the aspects of widening the molecular sieve synthesis raw material range, enhancing the added value of the natural mineral product, lowering the molecular sieve production cost, reducing the environmental pollution and the like.

The invention provides a method for preparing a porous adsorption material by using microwave low-temperature pore-forming activated granular red mud. The method comprises the following steps: taking a bonding agent which is 2-10 percent of mass of the red mud, uniformly mixing red mud wastes and the bonding agent, kneading into grains by using a granulator or by a hand and activating the red mud grains for 5-30 minutes at an activation temperature of 80-500 DEG C by utilizing microwaves to obtain the porous adsorption material. The red mud is activated by utilizing the selective heating and resonant sintering effects of the microwaves on iron and other matters in the red mud. The porous adsorption material prepared by the method has a pore volume of more than 0.0826 ml/g and a specific surface area of 18.62-24.25 m2/g, and the grain size can be different as required. The produced porous adsorption material has the characteristics of fine grain, high porosity, large surface area, strong hydroscopicity, good temperature-resistant stability and low cost and has the great advantage in aspect of wastewater adsorption and treatment.

The invention discloses a method and a system for controlling network management. The method comprises the following steps: in the network management control system, a topmost network administration user creates an authority label and establishes relations of dependence between the authority label and a network object/object group; an upper network administration user creates or deletes a lower network administration user, and wholly or partly confers the authority label owned by the upper network administration user on the lower network administration user; and when the network administration users carry out the operation on the network object/object group, the network administration users verify whether the authority labels owned by the network administration users are consistent with the authority labels adhered to the network object/object group requesting operation, and only when the authority labels are consistent with each other, the network administration users are allowed to carry out the operation on the network object/object group. The invention can realize the multilevel right distribution and the authority control of network management.

An innocent treatment method for leaded glass of a abandoned cathode ray tube comprises the following steps: 1) washing and drying CRT cone glass, carrying out coarse crushing on the CRT cone glass to form particles, and placing the particles into a ball mill; 2) adding reducing agents and alkaline additives, carrying out activation on ball mill machinery for 4-6h to obtain mixed materials; 3) placing the mixed materials in a smelter to be roasted for 1h under the condition of the temperature of 900 DEG C to 1000 DEG C and nitrogen gas to obtain glass with lead content smaller than 2% on the upper layer of the ball mill and highly purified metallic lead on the bottom portion of the ball mill, and carrying out breaking and separation after the glass and the metallic lead are cooled. The innocent treatment method for the leaded glass of the abandoned cathode ray tube has the advantages that the high-energy ball mill is adopted as mechanical activation equipment, is high in activation efficiency, and can effectively reduce the reduction temperature of the CRT cone glass; the lead in the cone glass can be effectively recovered, and environmental pollution is reduced; the separated metallic metal and lead-free glass can be reused; the method is simple in process, convenient to operate, free of secondary pollution, easy to apply, and suitable for large-scale industrial production.

The invention relates to a preparation method of a reed-based biochar adsorption material. The preparation method is technically characterized by comprising the following steps of cleaning the reed stalk, drying and crushing; soaking the crushed reed stalk into a KOH (potassium hydroxide) solution to activate, and drying; putting the dried crushed reed stalk into an atmosphere furnace, and performing oxygen-free high-temperature cracking under the nitrogen or inert gas protection atmosphere; after high-temperature cracking treatment, cooling to room temperature, and cleaning the cracked material to be neutral by an acid solution, so as to prepare the reed-based biochar adsorption material. The preparation method has the advantages that the problems of pollution to environment and waste ofresources due to irresponsible disposal of the wetland plant wastes are solved; compared with the prior art, the specific surface area is large, the pollutant adsorption ability is strong, the environment-friendly value is greatly increased, and the resource utilization of the wastes is realized.

The invention relates to a device and a method for repairing underground water through a process of activating sodium persulfate by using Fe (II). The device is a semi-continuous inlet/outlet type reaction device consisting of three parts. A first part is connected with a water sample, simulates a soil water-containing layer of underground water and controls flow rate. A second part therein is provided with a slow-release material and releases sodium persulfate when being in contact with solution. A third part is connected with the second part and Fe<2+> solution and controls activation reaction of each component. A sampling valve is arranged in the middle of a column of each part, and the water sample can be collected and is used for analyzing concentration of pollutants, concentration of S2O8<2->, concentration of Fe<2+> and pH of solution after reaction. The device and the method for repairing underground water through the process of activating sodium persulfate by using Fe (II) have a better effect of treating organic matters which are difficult to dissolve, and a model has a function of simulating large-scale application.

The invention relates to a method for treating waste cathode ray tube (CRT) cone glass by strengthening acid leaching through a mechanical activation technology. Waste CRT cone glass is coarsely crushed to obtain cone glass particles with the grain diameters of 0.1 to 1.0 mm, the coarsely-crushed cone glass particles are subject to mechanical activation through a high energy ball mill to obtain activated cone glass powder, then the activated cone glass powder is leached into nitric acid solution with certain concentration, and finally a sample leached into the nitric acid solution to react is filtered and separated to obtain leach residue powder and leach solution containing lead, and the residue powder is high-purity silicon dioxide powder. The method has the advantages of mild reaction condition, simple process flow and high leaching rate of metallic lead in CRT cone glass.

The invention belongs to the field of refractory wastewater treatment, and provides a method for processing refractory wastewater by a three-dimensional electrode coupled with an oxidant. The method comprises the following operation: adding the refractory wastewater with a pH value of 3-11 to be processed into a wastewater processing container provided with a slab anode and a slab cathode, addingthe oxidant and a particle electrode into the wastewater processing container, performing stirring to make the particle electrode in a fluidized state, starting a direct-current power supply connectedwith the slab anode and the slab cathode, and performing treatment for 15-60 min under the condition of a current density of 2-20 mA/cm<2> to complete the treatment of the refractory wastewater, wherein the particle electrode is magnetic spinel type ferrite MFe2O4 nanoparticles, and the oxidant is at least one selected from the group consisting of a persulfate, hydrogen peroxide and ozone. The method provided by the invention can effectively improve the degradation efficiency and degradation effect of the refractory wastewater while reducing the treatment costs of the wastewater.

The invention aims to provide an LED epitaxial structure and a growth method therefor. The growth method specifically comprises the steps of processing a substrate, enabling a low-temperature GaN core-forming layer, a high-temperature GaN buffer layer, a non-doped u-GaN layer, a Si-doped n-GaN layer, a multi-period quantum well (MQW) light emitting layer, a P type AlGaN layer, a P type GaN layer and a P type GaN contact layer to be grown, and then reducing temperature and cooling, wherein the step of growing a p type GaN layer is performed by the steps of enabling the P type GaN layer to be grown at a low temperature in N<2> atmosphere firstly, then enabling the P type GaN layer to be grown at a high temperature in H<2> atmosphere, and finally enabling the P type GaN layer to be grown at a high temperature in N<2>/H<2> mixed gas so as to lower the working voltage of the LED and improve the light emitting efficiency of the LED. The invention also aims to provide the LED epitaxial structure produced by the growth method for the epitaxial structure; according to the structure, the conventional high-temperature p type GaN layer structure is changed into the p type GaN layer structure with the variable atmospheres of low-temperature N<2> atmosphere, high-temperature H<2> atmosphere and high-temperature N<2>/H<2> mixed gas, so that the problems that the luminous power of the LED is limited by P layer hole concentration and the driving voltage is limited by P layer hole mobility are solved.