摘要：【中文】本发明公开了一种不同冲击速度下蜂窝材料耐撞性能的测定方法，包括对蜂窝材料施加不同冲击速度下的冲击载荷，获得冲击力‑位移曲线，对冲击力‑位移曲线进行处理，获得相应的应力‑应变曲线和能量吸收效率‑应变曲线，根据应力‑应变曲线和能量吸收效率‑应变曲线得到不同冲击速度下蜂窝材料的最佳应变ε_M，实现对不同冲击速度下蜂窝材料耐撞性能的测定。便于用户选择所需耐撞性能的蜂窝材料，实现对蜂窝材料的合理化运用，减少能源损耗，绿色环保。 【EN】The invention discloses a method for measuring the collision resistance of a honeycomb material at different impact speeds, which comprises the steps of applying impact loads at different impact speeds to the honeycomb material to obtain an impact force-displacement curve, processing the impact force-displacement curve to obtain a corresponding stress-strain curve and an energy absorption efficiency-strain curve, and obtaining the optimal strain epsilon of the honeycomb material at different impact speeds according to the stress-strain curve and the energy absorption efficiency-strain curve_MAnd the collision resistance of the honeycomb material under different impact speeds can be measured. The honeycomb material with the required collision resistance can be conveniently selected by a user, the reasonable application of the honeycomb material is realized, the energy loss is reduced, and the honeycomb material is green and environment-friendly.

摘要：【中文】本发明公开了一种靶子环数的图像识别方法，包括：获取距离质心最远和距离圆心最近的角点；计算距离质心最远和距离圆心最近的角点所在圆的面积，记作角点面积，并计算弹孔质心所在圆的面积，记作质心面积；当角点面积、质点面积在所在环数的面积范围内时，确定靶子环数为角点面积、质点面积所属的环数；当角点面积、质点面积不在所在环数的面积范围内时，确定靶子环数为质心面积所属的环数加1。本发明通过计算距离质心最远和距离圆心最近的角点所在面积范围、和弹孔质心所在面积范围，对靶子环数进行了准确地识别，并且当弹孔在两个环数的交界线上时，可以计算出弹孔的质心坐标具体偏向哪个环数区域，最终对弹孔所在环数进行了准确地识别。 【EN】The invention discloses an image identification method of target ring number, which comprises the following steps: acquiring corner points which are farthest from the center of mass and closest to the circle center; calculating the area of a circle where the corner point farthest from the center of mass and closest to the center of the circle, recording the area as the area of the corner point, calculating the area of the circle where the center of mass of the bullet hole is located, and recording the area as the area of the center of mass; when the area of the angular point and the area of the particle are in the area range of the number of the ring, determining the number of the target rings as the area of the angular point and the number of the rings to which the area of the particle belongs; and when the area of the angular point and the area of the particle are not in the area range of the number of the ring, determining that the number of the target ring is the number of the ring to which the area of the mass center belongs plus 1. The invention accurately identifies the number of the target rings by calculating the area range of the corner point which is farthest from the center of mass and closest to the center of circle and the area range of the center of mass of the bullet hole, and can calculate the area of the ring number to which the center of mass coordinate of the bullet hole specifically deviates when the bullet hole is on the boundary line of the two ring numbers, and finally accurately identifies the ring number of the bullet hole.

摘要：【中文】本发明公开了一种稀土离子与金属离子双掺杂CaWO₄发光材料及其制备方法，方法包括步骤1，将CaCO₃、WO₃、Eu₂O₃和Al₂O₃均匀混合，研磨后得到前驱体原料；步骤2，将步骤1得到的前驱体原料在800℃～1200℃下反应4h～10h后降至室温，得到稀土离子与金属离子双掺杂CaWO₄发光材料CaWO₄:x％Eu³⁺/y％Al³⁺，其中，x为4～24，y为1～10。在该反应过程中，反应前驱物CaCO₃、Al₂O₃、Eu₂O₃和WO₃以粉末形态均匀混合，反应物之间以分子或离子接触，依靠高温条件下键的断裂、键的形成和原子间的重新排列生成新的物质，其发光强度与发光寿命优于单掺CaWO₄，利用稀土离子与基质间的能量转换，以及引入金属离子使得性能进一步提升，并且在性能增强的过程中，色度坐标能稳定保持在标准红光，使得该材料表现出优异的性能。 【EN】The invention discloses a rare earth ion and metal ion double-doped CaWO₄A luminescent material and a method for preparing the same, the method comprises the step 1 of adding CaCO₃、WO₃、Eu₂O₃And Al₂O₃Uniformly mixing and grinding to obtain a precursor raw material; step 2, reacting the precursor raw material obtained in the step 1 at 800-1200 ℃ for 4-10 h, and cooling to room temperature to obtain rare earth ion and metal ion double-doped CaWO₄Luminescent material CaWO₄:x％Eu³⁺/y％Al³⁺Wherein x is 4 to 24 and y is 1 to 10. During the reaction, the precursor CaCO is reacted₃、Al₂O₃、Eu₂O₃And WO₃Uniformly mixed in powder form, reactants are contacted with each other in the form of molecules or ions, new substances are generated by means of bond breakage, bond formation and interatomic rearrangement under the condition of high temperature, and the luminous intensity and the luminous life of the novel substances are superior to those of singly doped CaWO₄Using the energy between the rare-earth ions and the matrixThe conversion and the introduction of metal ions further improve the performance, and in the process of performance enhancement, the chromaticity coordinate can be stably maintained at the standard red light, so that the material shows excellent performance.

摘要：【中文】本发明一种三维双功能碳微米管/氮掺杂还原氧化石墨烯复合生物质材料及其制备方法和应用，所述的生物质材料制备时包括，步骤1，将绒毛浸入在氧化石墨烯水溶液中，得到加载有绒毛的氧化石墨烯溶液；步骤2，将加载有绒毛的氧化石墨烯溶液在含氮元素的气体保护下，在800‑850℃下反应3‑6h，得到三维双功能碳微米管/氮掺杂还原氧化石墨烯复合生物质材料。该材料可同乙炔黑和聚四氟乙烯在乙醇中混合成糊状物，涂抹在泡沫镍的一个表面上干燥得到对应的电极材料。该材料作为高性能超级电容器和高效ORR催化剂的双功能材料，可为设计和制备具有电化学性能、氧化还原反应性能等多优异功能的生物质材料开辟一条通用的途径。 【EN】The invention relates to a three-dimensional dual-function carbon micron tube/nitrogen-doped reduced graphene oxide composite biomass material and a preparation method and application thereof, wherein the preparation method of the biomass material comprises the following steps of 1, immersing fluff into a graphene oxide aqueous solution to obtain the graphene oxide solution loaded with the fluff; and 2, reacting the oxidized graphene solution loaded with the fluff for 3-6 hours at the temperature of 850 ℃ under the protection of the gas containing the nitrogen element to obtain the three-dimensional dual-function carbon micron tube/nitrogen-doped reduced oxidized graphene composite biomass material. The material can be mixed with acetylene black and polytetrafluoroethylene in ethanol to form paste, and the paste is coated on one surface of the foamed nickel and dried to obtain the corresponding electrode material. The material is used as a bifunctional material of a high-performance super capacitor and a high-efficiency ORR catalyst, and can open up a general way for designing and preparing a biomass material with multiple excellent functions such as electrochemical performance, redox reaction performance and the like.

摘要：【中文】本发明公开了一种基于碳布原位合成三氧化钨/五氧化二钒复合电极材料及其制备方法，用硝酸溶液对碳布进行预处理；称量Na₂WO₄·2H₂O溶入去离子水中，调节pH得到溶液A，将预处理过的碳布浸入溶液A进行均相水热反应，待反应结束后，将产物洗涤并干燥得到三氧化钨/碳布复合材料；其次配制生成V₂O₅的前驱体溶液，将三氧化钨/碳布复合材料作为二次基底采用浸渍‑水热法原位合成V₂O₅前驱体；最后通过热处理在碳布表面原位生成三维三氧化钨/钨氧化二钒纳米复合材料。本发明所制备的纳米复合材料具有优异的电容性能，在4.5mA cm^‑2的电流密度下比容量可以达到3692mF cm^‑2，合成工艺简单，重复性好，效率高，环境友好，在电化学和新能源领域具有广阔的应用前景。 【EN】The invention discloses a tungsten trioxide/vanadium pentoxide composite electrode material synthesized in situ based on carbon cloth and a preparation method thereof, wherein the carbon cloth is pretreated by nitric acid solution; weighing Na₂WO₄·2H₂Dissolving O in deionized water, adjusting pH to obtain a solution A, immersing the pretreated carbon cloth in the solution A for homogeneous hydrothermal reaction, washing and drying the product after the reaction is finished to obtain the tungsten trioxide/carbon cloth composite material(ii) a Then preparing to generate V₂O₅The precursor solution of (1) is prepared by taking a tungsten trioxide/carbon cloth composite material as a secondary substrate and adopting a dipping-hydrothermal method to synthesize V in situ₂O₅A precursor; and finally, generating the three-dimensional tungsten trioxide/tungsten vanadium oxide nano composite material on the surface of the carbon cloth in situ through heat treatment. The nano composite material prepared by the invention has excellent capacitance performance at 4.5mA cm^‑2The specific capacity of the current density can reach 3692mF cm^‑2The method has the advantages of simple synthesis process, good repeatability, high efficiency, environmental friendliness and wide application prospect in the fields of electrochemistry and new energy.

摘要：【中文】本发明N，N‑双(2‑邻苯二甲酰基)乙基‑丙烯酰胺及其制备方法，包括如下步骤，步骤1，将双(2‑邻苯二甲酰亚胺)胺、丙烯酰氯和氢化钠溶解在二氯甲烷中得到混合体系A；步骤2，将混合体系A在20～30℃反应，得到混合体系B；步骤3，依次将混合体系B中的二氯甲烷和杂质去除后得到；在氢化钠提供的碱性条件下，双(2‑邻苯二甲酰亚胺)胺中心处的活性伯胺与丙烯酰氯发生酰化反应，酰氯中的氯原子有吸电子效应，增强了碳原子的亲电性，更容易受到仲胺上H原子的进攻，从而脱去一份子HCl，制备N，N‑双(2‑邻苯二甲酰基)乙基‑丙烯酰胺，其热稳定性和荧光性能均较好。 【EN】The invention relates to N, N-bis (2-phthaloyl) ethyl-acrylamide and a preparation method thereof, comprising the following steps of 1, dissolving bis (2-phthalimide) amine, acryloyl chloride and sodium hydride in dichloromethane to obtain a mixed system A; step 2, reacting the mixed system A at 20-30 ℃ to obtain a mixed system B; step 3, removing dichloromethane and impurities in the mixed system B in sequence to obtain the product; under the alkaline condition provided by sodium hydride, the active primary amine at the center of the bis (2-phthalimide) amine and acryloyl chloride are subjected to acylation reaction, the chlorine atom in the acyl chloride has an electron-withdrawing effect, the electrophilicity of a carbon atom is enhanced, and the active primary amine is easily attacked by the H atom on the secondary amine, so that one part of HCl is removed, and the N, N-bis (2-phthaloyl) ethyl-acrylamide is prepared, and has better thermal stability and fluorescence property.

摘要：【中文】本发明公开了一种基于EEM法量化BrC来源的方法，属于数据分析领域。1)获取不同气溶胶样品的EEMs；不同气溶胶样品包括BB、CB、VE、CE、低氧化二次气溶胶、中等氧化二次气溶胶和高氧化二次气溶胶；2)利用PARAFAC模型拟合EEMs，根据模型的残余误差变化趋势，选取发色基团，选取的发色基团为C1、C2、C3、C4、C5、C6、C7和C8；进行数据处理，得到不同来源中发色团的贡献值。本发明的基于EEM法量化BrC来源的方法能够计算出大气气溶胶不同来源的贡献值，这有利于针对不同排放源结构的地方性大气污染进行源解析并有效建立大气排放源清单，为大气污染治理提供决策依据。 【EN】The invention discloses a method for quantifying BrC source based on EEM method, belonging to the field of data analysis. 1) Acquiring EEMs of different aerosol samples; different aerosol samples include BB, CB, VE, CE, low oxidation secondary aerosol, medium oxidation secondary aerosol, and high oxidation secondary aerosol; 2) fitting EEMs by using a PARAFAC model, and selecting chromophoric groups according to the residual error variation trend of the model, wherein the selected chromophoric groups are C1, C2, C3, C4, C5, C6, C7 and C8; and (4) carrying out data processing to obtain contribution values of chromophores in different sources. The method for quantifying the BrC source based on the EEM method can calculate the contribution values of different sources of the atmospheric aerosol, is favorable for carrying out source analysis on the local atmospheric pollution of different emission source structures, effectively establishes an atmospheric emission source list and provides a decision basis for atmospheric pollution control.

摘要：【中文】本发明公开了一种Ti₃C₂‑Cu₂O光催化材料及制备方法。首先，在浓度为40wt％的HF溶液中选择性腐蚀掉三元Ti₃AlC₂陶瓷粉体的Al层，形成二维层状Ti₃C₂纳米材料。然后，以二维Ti₃C₂纳米材料为基体，将采用多元醇还原法制备的Cu₂O纳米颗粒通过水热合成法在150～200℃负载于Ti₃C₂上，成功制备Ti₃C₂‑Cu₂O类石墨烯复合材料。该材料中的氧化亚铜能够稳定分散于二维Ti₃C₂的表面，表现出良好的光催化性能，且本发明实验过程简单，产物形貌可控，安全环保，为其进一步在光催化及光电催化领域的广泛应用奠定了基础。 【EN】The invention discloses a Ti₃C₂‑Cu₂O-type photocatalytic material and its preparation. First, ternary Ti was selectively etched in a 40 wt% HF solution₃AlC₂Al layer of ceramic powder to form two-dimensional layered Ti₃C₂And (3) nano materials. Then, with two-dimensional Ti₃C₂The nano material is taken as a substrate, and Cu prepared by adopting a polyol reduction method is used₂O nano-particles are loaded on Ti at the temperature of 150-200 ℃ by a hydrothermal synthesis method₃C₂In the above, Ti was successfully prepared₃C₂‑Cu₂An O-type graphene composite material. Cuprous oxide in the material can be stably dispersed in two-dimensional Ti₃C₂The surface of the invention shows good photocatalytic performance, and the invention has simple experimental process, controllable product appearance, safety and environmental protection, and lays a foundation for further wide application in the fields of photocatalysis and photoelectrocatalysis.

摘要：【中文】本发明公开了具备功率因数校正功能的低输入电流纹波LED驱动电源，因为现有的电路较为复杂，输入电流的纹波较大，需要较大的滤波电路，因此，在原有电路拓扑的基础上，改进成为了现在具备功率因数校正功能的低输入电流纹波LED驱动电源。而且新型电路的电路简单，输入电流纹波小。对于LED驱动电源中有两个重要指标，一个是功率因数，一个是效率，本次电路的设计就是通过控制两个开关管的开通与关断来实现功率因数的校正，从而实现效率最大化，并且通过电感和电容滤波实现了输入电流纹波减小的目标，使得新型电路的参数和指标达到更好的效果。 【EN】The invention discloses a low-input-current ripple LED driving power supply with a power factor correction function, which is improved into the low-input-current ripple LED driving power supply with the power factor correction function on the basis of the original circuit topology because the existing circuit is more complex, the ripple of the input current is larger and a larger filter circuit is needed. And the novel circuit has simple circuit and small input current ripple. The LED driving power supply has two important indexes, namely power factor and efficiency, the design of the circuit realizes the correction of the power factor by controlling the on and off of two switching tubes, thereby realizing the maximization of the efficiency, realizing the aim of reducing the ripple wave of the input current by inductance and capacitance filtering, and ensuring that the parameters and indexes of the novel circuit achieve better effect.

摘要：【中文】本发明公开了一种多烯烃弯钩型表活剂凝胶体压裂液及其制备和破胶方法，制备方法包括：(1)将亚麻酸，N,N‑二甲基‑1,3丙二胺和对甲苯磺酸加入烧瓶，升温至130～150℃，反应8～10小时，减压抽真空，得到中间体。(2)将步骤一得到的中间体和3‑氯‑2羟基丙磺酸钠加入有水和乙醇混合溶剂的烧瓶，反应温度为60～80℃，反应时间为6～8小时得到粗产物。(3)将粗产物真空干燥，再用乙醇溶解，再向乙醇甜菜碱溶液中加入石油醚。搅匀后除去石油醚相，用旋转蒸发仪除去乙醇，得到产物。(4)将产物配置成压裂液。该一种多烯烃弯钩型表活剂凝胶体压裂液，解决了清洁压裂液地层遇油自破胶不完全的问题，破胶理论新颖。 【EN】The invention discloses a multiolefin hook-type surfactant gel fracturing fluid and a preparation method and gel breaking method thereof, wherein the preparation method comprises the following steps: (1) adding linolenic acid, N, N-dimethyl-1, 3-propanediamine and p-toluenesulfonic acid into a flask, heating to 130-150 ℃, reacting for 8-10 hours, and carrying out vacuum pumping under reduced pressure to obtain an intermediate. (2) And (3) adding the intermediate obtained in the step one and 3-chloro-2-hydroxypropanesulfonic acid sodium into a flask containing a mixed solvent of water and ethanol, wherein the reaction temperature is 60-80 ℃, and the reaction time is 6-8 hours, so as to obtain a crude product. (3) Vacuum drying the crude product, dissolving with ethanol, and adding petroleum ether into the ethanol betaine solution. After stirring, the petroleum ether phase was removed and the ethanol was removed using a rotary evaporator to obtain the product. (4) The product is formulated into a fracturing fluid. The multiolefin hook-type surfactant gel fracturing fluid solves the problem of incomplete self-gel breaking of the stratum of the clean fracturing fluid when meeting oil, and the gel breaking theory is novel.