摘要：【中文】一种无卤素低介电树脂组合物，其包含：(A)聚苯醚树脂，其具有不饱和官能基；(B)交联剂，其具有不饱和官能基；以及(C)由下式(I)表示的含磷化合物， 【EN】A halogen-free low dielectric resin composition comprising: (A) a polyphenylene ether resin having an unsaturated functional group; (B) a crosslinking agent having an unsaturated functional group; and (C) a phosphorus-containing compound represented by the following formula (I),

摘要：【中文】本发明提供一种无铅锡基卤化物钙钛矿薄膜太阳能电池的制备方法，其特征在于，包括：步骤一：将锡基源化合物，有机无机源卤化物和多苯环芳香胺类化合物事先溶于混合极性溶剂中，同时加入氟化锡作为抗氧化剂，配制前驱体溶液，步骤二：将钙钛矿前驱体溶液旋涂到制备好的基板上，并且在旋涂结束后进行退火处理，即可得到锡基卤化物钙钛矿薄膜，本发明的非铅钙钛矿薄膜具有成膜性好，结晶性高，稳定性好的特点，基于本发明可制得环境友好且稳定性和光电转换效率较高的无铅钙钛矿太阳能电池。 【EN】The invention provides a preparation method of a lead-free tin-based halide perovskite thin-film solar cell, which is characterized by comprising the following steps: the method comprises the following steps: dissolving a tin-based source compound, an organic and inorganic source halide and a polyphenyl aromatic amine compound in a mixed polar solvent in advance, adding tin fluoride serving as an antioxidant at the same time, and preparing a precursor solution, wherein the second step comprises the following steps: the lead-free perovskite solar cell has the advantages of being good in film forming property, high in crystallinity and good in stability, and the lead-free perovskite solar cell which is environment-friendly and high in stability and photoelectric conversion efficiency can be prepared based on the lead-free perovskite solar cell.

摘要：【中文】本发明公开了用于高松散地层取芯的钻探浆液及其制备方法、应用，所述钻探浆液由以下质量百分比组分组成：膨润土5％～10％，烧碱0.2％～0.5％，纯碱0.2％～0.5％，正电胶0.5％～0.8％，降失水剂0.3％～0.5％，聚丙烯腈‑钾盐0.3％～0.5％，聚丙烯腈复合铵盐0.5％～1％，余量为水。采用本发明所述配方用于高松散地层取芯，收获率可达80％～90％，与现有技术相比，收获率明显提高。 【EN】The invention discloses drilling fluid for coring in a high unconsolidated formation, a preparation method and application thereof, wherein the drilling fluid comprises the following components in percentage by mass: 5 to 10 percent of bentonite, 0.2 to 0.5 percent of caustic soda, 0.2 to 0.5 percent of soda ash, 0.5 to 0.8 percent of positive photoresist, 0.3 to 0.5 percent of fluid loss additive, 0.3 to 0.5 percent of polyacrylonitrile-potassium salt, 0.5 to 1 percent of polyacrylonitrile composite ammonium salt and the balance of water. The formula is used for coring in high loose strata, the yield can reach 80-90%, and compared with the prior art, the yield is obviously improved.

摘要：【中文】本发明公开了一种聚合物修饰的石墨烯薄膜及其制备方法与应用，该石墨烯薄膜由基底、位于基底上的石墨烯薄膜和修饰在石墨烯薄膜表面的高介电常数聚合物修饰层组成；该薄膜的制备方法包括以下步骤：(1)制备石墨烯薄膜，并将其转移到基底上；(2)配制高介电常数聚合物溶液；(3)采用溶液法将高介电常数聚合物溶液修饰到石墨烯薄膜表面形成高介电常数聚合物修饰层，得到聚合物修饰的石墨烯薄膜；该石墨烯薄膜作为透明导电电极应用在有机发光器件中。该薄膜能够降低空穴载流子的注入势垒、改善载流子注入；高介电常数聚合物修饰材料化学稳定性好，不易挥发、聚集；应用在发光器件中能够提高其电流密度、发光亮度、电流效率和功率效率。 【EN】The invention discloses a polymer modified graphene film and a preparation method and application thereof, wherein the graphene film consists of a substrate, a graphene film positioned on the substrate and a high dielectric constant polymer modification layer modified on the surface of the graphene film; the preparation method of the film comprises the following steps: (1) preparing a graphene film and transferring the graphene film to a substrate; (2) preparing a high dielectric constant polymer solution; (3) modifying the high-dielectric-constant polymer solution on the surface of the graphene film by adopting a solution method to form a high-dielectric-constant polymer modification layer, so as to obtain a polymer-modified graphene film; the graphene film is applied to an organic light-emitting device as a transparent conductive electrode. The film can reduce the injection barrier of hole carriers and improve carrier injection; the high dielectric constant polymer modified material has good chemical stability and is not easy to volatilize and aggregate; the current density, the luminous brightness, the current efficiency and the power efficiency of the luminescent device can be improved when the luminescent device is applied to the luminescent device.

摘要：【中文】本发明公开了一种硅钼酸增容改性的聚乙烯醇/淀粉复合材料及其制备方法，按重量份计，由以下组分组成：聚乙烯醇80份、淀粉20份、硅钼酸1~5份。本发明将硅钼酸添加到聚乙烯醇/淀粉共混体系中以后，不仅能够使体系的相容性得到较大提高，改善聚乙烯醇/淀粉的两相界面粘结，还能够有效地改善聚乙烯醇/淀粉复合材料的紫外线屏蔽性能以及力学性能，同时改性后的复合材料还能保持高的光学透明性，且制备工艺简单环保，成本低廉，适于放大生产。 【EN】The invention discloses a silicomolybdic acid compatibilization modified polyvinyl alcohol/starch composite material and a preparation method thereof, wherein the silicomolybdic acid compatibilization modified polyvinyl alcohol/starch composite material comprises the following components in parts by weight: 80 parts of polyvinyl alcohol, 20 parts of starch and 1-5 parts of silicomolybdic acid. After the silicomolybdic acid is added into the polyvinyl alcohol/starch blending system, the compatibility of the system can be greatly improved, the two-phase interface bonding of the polyvinyl alcohol/starch is improved, the ultraviolet shielding performance and the mechanical property of the polyvinyl alcohol/starch composite material can be effectively improved, meanwhile, the modified composite material can keep high optical transparency, the preparation process is simple and environment-friendly, the cost is low, and the modified composite material is suitable for large-scale production.

摘要：【中文】本发明公开了一种具有紫外线屏蔽功能的聚乙烯醇/淀粉纳米复合材料及其制备方法，按重量份计，由以下组分组成：聚乙烯醇80份、淀粉20份、甘油5份、聚多巴胺纳米粒子0.5~2份。本发明将聚多巴胺纳米粒子添加到聚乙烯醇/淀粉共混体系中以后，不仅能够使体系的相容性得到较大提高，改善了聚乙烯醇/淀粉的两相界面粘结，还能够有效地改善聚乙烯醇/淀粉复合材料的紫外线屏蔽性能以及力学性能、热稳定性、荧光性，且制备工艺简单环保，成本低廉，适于放大生产。 【EN】The invention discloses a polyvinyl alcohol/starch nano composite material with an ultraviolet shielding function and a preparation method thereof, wherein the polyvinyl alcohol/starch nano composite material comprises the following components in parts by weight: 80 parts of polyvinyl alcohol, 20 parts of starch, 5 parts of glycerol and 0.5-2 parts of polydopamine nano particles. After the polydopamine nano particles are added into a polyvinyl alcohol/starch blending system, the compatibility of the system can be greatly improved, the two-phase interface bonding of polyvinyl alcohol/starch is improved, the ultraviolet shielding performance, the mechanical property, the thermal stability and the fluorescence of a polyvinyl alcohol/starch composite material can be effectively improved, the preparation process is simple and environment-friendly, the cost is low, and the polydopamine nano particles are suitable for large-scale production.

摘要：【中文】本发明公开了一种具有紫外线阻隔功能的聚乙烯醇/淀粉纳米复合材料及其制备方法，按重量份计，由以下组分组成：聚乙烯醇80份、淀粉20份、甘油5份、棒状氧化锌纳米粒子0.5~5份。本发明将棒状氧化锌纳米粒子添加到聚乙烯醇/淀粉共混体系中以后，不仅能够使体系的相容性得到较大提高，还能够有效地改善聚乙烯醇/淀粉复合材料的紫外线屏蔽性能以及力学性能，同时改性后的复合材料还能保持高的光学透明性，且制备工艺简单环保，成本低廉，适于放大生产。 【EN】The invention discloses a polyvinyl alcohol/starch nano composite material with an ultraviolet blocking function and a preparation method thereof, wherein the polyvinyl alcohol/starch nano composite material comprises the following components in parts by weight: 80 parts of polyvinyl alcohol, 20 parts of starch, 5 parts of glycerol and 0.5-5 parts of rod-shaped zinc oxide nano particles. According to the invention, after the rod-shaped zinc oxide nanoparticles are added into a polyvinyl alcohol/starch blending system, the compatibility of the system can be greatly improved, the ultraviolet shielding performance and the mechanical property of a polyvinyl alcohol/starch composite material can be effectively improved, meanwhile, the modified composite material can keep high optical transparency, and the preparation process is simple, environment-friendly, low in cost and suitable for large-scale production.

摘要：【中文】本发明公开了一种基于最小二乘B样条近似的信号模拟方法和装置，能够在避免误差积累的基础上，通过滤波器结构对高采样率下的距离数据和速度数据进行重构，从而可保证信号的连续性，有效避免相位、频率抖动问题。在B样条前置滤波器的设计过程中，引入最小化重构误差二范数优化准则，得到B样条前置滤波器单位冲激响应的最优解，这使得当输入的距离数据和速度数据带有测量误差时，信号模拟技术具有较好的鲁棒性，模拟精度高于常规技术；同时本发明还提高了实现效率，降低了对数字信号处理器件的实时性要求；B样条前置滤波器均采用前向滤波结构实现，无反馈支路，因此可以达到长时间的高精度模拟。 【EN】The invention discloses a signal simulation method and a signal simulation device based on least square B-spline approximation, which can reconstruct distance data and velocity data under a high sampling rate through a filter structure on the basis of avoiding error accumulation, thereby ensuring the continuity of signals and effectively avoiding the problems of phase and frequency jitter. In the design process of the B-spline pre-filter, introducing a minimum reconstruction error two-norm optimization criterion to obtain an optimal solution of unit impulse response of the B-spline pre-filter, so that when input distance data and speed data have measurement errors, a signal simulation technology has better robustness, and the simulation precision is higher than that of a conventional technology; meanwhile, the invention also improves the realization efficiency and reduces the real-time requirement on the digital signal processing device; the B-spline pre-filters are all realized by adopting a forward filtering structure without a feedback branch, so that long-time high-precision simulation can be achieved.

摘要：【中文】本公开提出了一种基于人脸识别的跑步智能测试系统及方法，包括服务器、监控平台，设置在跑步现场的摄像装置和显示装置，以及设置在起跑线和终点线的标志，所述监控平台包括人脸识别子系统、报名管理子系统和现场测试子系统；报名管理子系统用于获取考生的报名信息构建报名数据库；人脸识别子系统用于根据报名数据库中的数据识别被测试人员的身份信息；现场测试子系统根据获取的跑步视频数据中终点图像和起点图像间隔的图像数据帧，计算获取被测试人员的考试成绩。采用人脸识别，学生跑步跟踪录像、起点线和终点线特殊标志识别等方法，基于学生跑步录像进行学生识别和计时，实现了跑步的智能测试，实现无人监考，并有效防范了作弊行为的发生。 【EN】The intelligent running test system comprises a server, a monitoring platform, a camera device and a display device which are arranged on a running site, and marks arranged on a starting line and a finishing line, wherein the monitoring platform comprises a face recognition subsystem, an enrollment management subsystem and a field test subsystem; the registration management subsystem is used for acquiring registration information of examinees to construct a registration database; the face recognition subsystem is used for recognizing the identity information of the tested person according to the data in the registration database; and the field test subsystem calculates and acquires the examination result of the tested person according to the image data frame of the interval between the end point image and the start point image in the acquired running video data. By adopting the methods of face recognition, student running tracking video recording, start line and finish line special mark recognition and the like, the student identification and timing are carried out based on the student running video recording, the intelligent running test is realized, unmanned invigilation is realized, and cheating behaviors are effectively prevented.

摘要：【中文】本发明提供了一种抗菌复合聚乙烯醇纤维的制备方法，包括以下步骤：(1)将茶多酚和硝酸银溶液混合得到混合溶液A，硝酸银的质量浓度为0.5％～3％，茶多酚的质量浓度为2.5％～4.0％；(2)将聚乙烯醇溶解在混合溶液A中，并在80～100℃下搅拌3～5小时，所述聚乙烯醇与所述混合溶液A的重量比为5～15:100；(3)加入石墨烯分散均匀后静置；(4)将步骤(3)得到的混合液进行纺丝后在紫外光下照射，得到抗菌复合聚乙烯醇纤维。本发明的方法将聚乙烯醇、茶多酚、硝酸银和氯化锂混合溶液在80～100℃下搅拌3～5小时后添加石墨烯静置后纺丝，并且通过在紫外光下照射，提高了抗菌复合聚乙烯醇纤维的抗菌性能，利用抗菌复合聚乙烯醇纤维制备得到的无纺布的抗菌性能更好。 【EN】The invention provides a preparation method of an antibacterial composite polyvinyl alcohol fiber, which comprises the following steps: (1) mixing tea polyphenol with silver nitrate solution to obtain mixed solution A, wherein the mass concentration of silver nitrate is 0.5-3%, and the mass concentration of tea polyphenol is 2.5-4.0%; (2) dissolving polyvinyl alcohol in the mixed solution A, and stirring for 3-5 hours at 80-100 ℃, wherein the weight ratio of the polyvinyl alcohol to the mixed solution A is 5-15: 100; (3) adding graphene, dispersing uniformly, and standing; (4) and (4) spinning the mixed solution obtained in the step (3), and then irradiating under ultraviolet light to obtain the antibacterial composite polyvinyl alcohol fiber. According to the method, the mixed solution of polyvinyl alcohol, tea polyphenol, silver nitrate and lithium chloride is stirred for 3-5 hours at 80-100 ℃, graphene is added for standing and spinning, the antibacterial performance of the antibacterial composite polyvinyl alcohol fiber is improved by irradiation of ultraviolet light, and the non-woven fabric prepared from the antibacterial composite polyvinyl alcohol fiber has better antibacterial performance.