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申请号:201911155359.5 公开号:CN110849500A 主分类号:G01K11/20
申请人:【中文】大连民族大学【EN】Dalian ethnic university 申请日:2019.11.22 公开日:2020.02.28
摘要:【中文】本发明涉及一种温度探测方法,具体是一种基于稀土Er离子四能级系统的上转换发光强度比的温度探测方法。本发明采用稀土Er3+离子热耦合能级2H11/24S3/24I13/2能级跃迁的红外上转换发光和向基态4I15/2能级跃迁的绿色上转换发光,通过两者发光强度比与温度的定量关系,实现了一种基于稀土Er3+离子四能级系统的荧光强度比测温新方法得到的荧光强度,该方法具有高精度和高温度传感灵敏度的特点。 【EN】The invention relates to a temperature detection method, in particular to a temperature detection method of up-conversion luminescence intensity ratio based on a rare earth Er ion four-energy-level system. The invention adopts rare earth Er3+Ionic thermal coupling energy level2H11/2And4S3/2to the direction of4I13/2Infrared upconversion luminescence and ground state of energy level transition4I15/2Green up-conversion luminescence of energy level transition realizes a rare earth Er-based on the quantitative relation between the luminous intensity ratio of the green up-conversion luminescence and the temperature3+The fluorescence intensity of the ion four-energy-level system is higher than that obtained by the novel temperature measurement method, and the method has the characteristics of high precision and high temperature sensing sensitivity.
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申请号:201910939629.5 公开号:CN110863022A 主分类号:C12P17/18
申请人:【中文】大连民族大学【EN】Dalian ethnic university 申请日:2019.09.30 公开日:2020.03.06
摘要:【中文】本发明属于微生物发酵技术领域,具体涉及一种嘌呤的发酵生产工艺。该发酵生产工艺优化包括以下步骤:(1)将海洋芽孢杆菌Bacillus sp.JIN118进行活化,得到单一菌落;(2)进行种子液扩大培养,得到种子液;(3)将种子液接种到发酵培养基中进行发酵,得到发酵液;(4)对发酵液进行离心、萃取,进行初级分离,获得嘌呤纯品;(5)单因素试验初步优化嘌呤的发酵生产工艺;(6)正交实验确定最优的发酵生产工艺条件。本发明涉及到的发酵工艺大幅提高了嘌呤的产量,经优化后嘌呤的产量由基础发酵培养基中的4.76mg/L提高到17.88mg/L,具有发酵产率高、周期短、条件容易控制等优点,解决了化学合成法合成嘌呤耗费大量有机溶剂,原料来源困难及环境污染等问题。 【EN】The invention belongs to the technical field of microbial fermentation, and particularly relates to a fermentation production process of purine. The fermentation production process optimization comprises the following steps: (1) activating marine Bacillus sp.JIN118 to obtain a single bacterial colony; (2) carrying out seed liquid enlarged culture to obtain seed liquid; (3) inoculating the seed liquid into a fermentation culture medium for fermentation to obtain a fermentation liquid; (4) centrifuging and extracting the fermentation liquor, and carrying out primary separation to obtain a pure purine product; (5) a single-factor test preliminarily optimizes the fermentation production process of purine; (6) and (4) determining the optimal fermentation production process condition by orthogonal experiments. The fermentation process greatly improves the yield of purine, the yield of the optimized purine is improved to 17.88mg/L from 4.76mg/L in a basic fermentation culture medium, the fermentation process has the advantages of high fermentation yield, short period, easily controlled conditions and the like, and the problems that a large amount of organic solvents are consumed for synthesizing purine by a chemical synthesis method, the raw material source is difficult, the environment is polluted and the like are solved.
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申请号:201911154739.7 公开号:CN110902808A 主分类号:C02F3/00
申请人:【中文】大连民族大学【EN】Dalian ethnic university 申请日:2019.11.22 公开日:2020.03.24
摘要:【中文】一种升流式电催化水解酸化反应器,属于污水处理设备领域。包括反应器主体;所述反应器主体内部由下至上分别设为环流反应区、交叉填料区、清水区、电催化反应装置和出水槽;布水主管从反应器主体的底部伸入并与出水槽上方的布水器相连,布水器与布水支管一端相连,布水支管另一端延伸至环流反应区的下方并与环流反应区底面的布水头相连。本发明能够使废水中有机物降解比率增加,提升COD去除率和可生化降解率,节省了占地面积和运行费用。 【EN】An up-flow type electrocatalysis hydrolysis acidification reactor, which belongs to the field of sewage treatment equipment. Comprises a reactor main body; a loop reaction zone, a cross filler zone, a clear water zone, an electro-catalytic reaction device and a water outlet tank are respectively arranged in the reactor main body from bottom to top; the main water distribution pipe extends into the reactor from the bottom of the reactor main body and is connected with a water distributor above the water outlet tank, the water distributor is connected with one end of a water distribution branch pipe, and the other end of the water distribution branch pipe extends to the lower part of the circulation reaction zone and is connected with a water distribution head at the bottom of the circulation reaction zone. The invention can increase the degradation rate of organic matters in the wastewater, improve the removal rate of COD and the biochemical degradation rate, and save the occupied area and the operating cost.
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