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35results about How to "Increase the amount of resources" patented technology

Biological permeability-increasing method for coal reservoir

ActiveCN102900411AIncrease the number of cracksIncrease widthFluid removalWell drillingResource development
The invention discloses a biological permeability-increasing method for a coal reservoir, which comprises the following steps in turn: (1) selecting a middle/low-class coal reservoir; (2) forming a channel for injecting liquid into the coal reservoir in a drilling mode or other mode; (3) selecting and culturing microorganism strains suitable for an anaerobic environment and capable of effectively utilizing coal; (4) injecting the nutrient liquid containing the microorganism strains into the coal reservoir in a hydraulic fracturing mode or other mode; (5) confirming shutdown time of a well according to the difference of the coal rank; (6) organizing the subsequent production according to the conventional coal-bed gas well draining extraction or gas extraction process; and (7) checking an effect. A permeability-increasing technology for the coal reservoir is a key point for the coal bed gas resource development and the coal mine gas treatment. The invention provides the permeability-increasing technology utilizing the biotechnology for the middle/low-class coal reservoir; the coal is degraded by the microorganisms, so that the purpose of increasing the permeability of the coal reservoir is achieved; and the biological permeability-increasing method for the coal reservoir has a significance in promoting the coal bed gas resource development and the coal mine gas extraction.
Owner:山西蓝焰煤层气集团有限责任公司 +1

Transmission device and transmission method

A transmission device capable of reducing packet receiving errors and the number of retransmissions by improving error correction coding gain without increasing the amount of resources used in transmission. The transmission device (100) that transmits each bit of coded data constituted from systematic bits and parity bits in order for each transmission unit, and performs frequency puncturing to puncture, in units of symbols, data to be punctured in which each bit has been superimposed on a plurality of frequency domain symbols. A time puncturing unit (102) extracts transmission unit data from the coded data and a frequency puncturing unit (105) performs frequency puncturing in accordance with the ratio of parity bits to systematic bits included in the data.
Owner:PANASONIC CORP

Yalong River schizothorax wangchiachii artificial proliferation and release method

InactiveCN106417117ABreeding and releasingIncrease the amount of resourcesClimate change adaptationPisciculture and aquariaPopulationSchizothorax wangchiachii
The invention discloses a Yalong River schizothorax wangchiachii artificial proliferation and release method. The method includes the seven steps of parent fish selection, oxytocic injection, artificial insemination, zygote hatching, fish larvae breeding, advanced fry breeding and transport and release. Yalong River schizothorax wangchiachii has extremely high economic value. Artificial proliferation and release of Yalong River schizothorax wangchiachii are achieved, and influences of hydro-junctions on schizothorax wangchiachii populations can be effectively reduced. Besides, wild resource recovery is facilitated, basic resources are provided for biological study, and economic and environmental ecological benefits are great.
Owner:YALONG RIVER HYDROPOWER DEV COMPANY

Method for protecting castor fiber cave

ActiveCN112302177AConducive to survivalEnsure normal rest and recuperationBarrages/weirsArched structuresFiberEcological environment
The invention discloses a method for protecting a castor fiber cave. A castor fiber nest comprises an underwater outlet an onshore inlet and outlet, and a bionic dam; the bionic dam is built on a river channel close to the castor fiber nest according to surrounding topographic lines, and a still water area is formed on the upstream of the bionic dam; dead wood branches and soil are arranged on thebionic dam, so river water bypasses the arc-shaped bionic dam, and the castor fiber nest is prevented from being impacted; and the length of the bionic dam is determined according to the size of thecastor fiber nest, the width of the bionic dam is larger than or equal to 1.5 m, the height of the bionic dam is 0.5-1.0 m lower than the water surface of the river water, the height of the dead woodbranches is 0.5-1.0 m higher than the water surface of the river water, and the dead wood branches are covered with the soil. According to the ,method, the stability of water level can be guaranteed,a stable aquatic ecological environment for protecting a castor fiber channel and the castor fiber cave is created, the still water area is formed after the bionic dam is built, the castor fiber nestis prevented from being washed away by excessively large and rapid water flow, and damage to the ecological environment due to the fact that castor fibers bite trees excessively to build a dam body isavoided.
Owner:CHINA WATER RESOURCES BEIFANG INVESTIGATION DESIGN & RES
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