摘要：【中文】本发明公开了一种汽车挡风玻璃的积尘检测与清洁提醒系统及方法，其系统包括壳体和漫反射面，所述漫反射面贴在挡风玻璃外侧，该挡风玻璃内侧安装有壳体，所述壳体包括左腔体、右腔体和照明腔，所述左腔体底部设有LED发光二极管a，在LED发光二极管a旁设有光强基准光电传感器，所述左腔体下部卡接有挡光板，该挡光板的上方倾斜设有半透镜a，所述半透镜a一侧设有水平腔体，在水平腔体中设有透射光电传感器，反射光电传感器安装在左腔体顶部，且在其前端设有透光玻璃薄膜；本申请可以实现积尘检测、清洁度检测和挡风玻璃清洁提醒。 【EN】The invention discloses a dust accumulation detection and cleaning reminding system and method for an automobile windshield, wherein the system comprises a shell and a diffuse reflection surface, the diffuse reflection surface is attached to the outer side of the windshield, the shell is arranged on the inner side of the windshield, the shell comprises a left cavity, a right cavity and an illumination cavity, an LED (light emitting diode) a is arranged at the bottom of the left cavity, a light intensity reference photoelectric sensor is arranged beside the LED a, a light barrier is clamped at the lower part of the left cavity, a semi-transparent mirror a is obliquely arranged above the light barrier, a horizontal cavity is arranged on one side of the semi-transparent mirror a, a transmission photoelectric sensor is arranged in the horizontal cavity, the reflection photoelectric sensor is arranged at the top of the left cavity, and a transparent glass film is arranged at the front end of the reflection photoelectric; this application can realize laying dust and detect, cleanliness detects and the clean warning of windshield.

摘要：【中文】本发明涉及一种利用复合材料萃取噻吩的方法，属于萃取分离技术领域。本发明所述方法包括如下步骤：通过浸渍法将深共融溶剂负载到碳纳米管上，得到复合材料；将复合材料、含噻吩的正辛烷溶液与氧化剂混合，搅拌，静置分层。本发明改善了因深共融溶剂是液体在工业上运输储存的不方便而采取固载化方法，且萃取方法简单、脱硫效率高、操作条件温和、环境友好，噻吩的脱硫率最高达97.40％。 【EN】The invention relates to a method for extracting thiophene by using a composite material, belonging to the technical field of extraction and separation. The method comprises the following steps: loading the deep eutectic solvent on the carbon nano tube by an impregnation method to obtain a composite material; mixing the composite material, the thiophene-containing n-octane solution and the oxidant, stirring, standing and layering. The invention improves the inconvenience of industrial transportation and storage of the deep eutectic solvent, adopts an immobilization method, has simple extraction method, high desulfurization efficiency, mild operation conditions and environmental protection, and has the highest thiophene desulfurization rate of 97.40 percent.

摘要：【中文】本发明涉及一种用精氨酸引发丙交酯开环分散聚合的方法。本发明采用丙交酯为原料，左旋精氨酸为引发剂，且兼具催化剂，三嵌段聚合物PCL‑PDMS‑PCL为稳定剂，采用开环分散聚合的方法合成聚丙交酯。通过对所得聚合物的结构和性能进行表征，结果表明，当反应温度为130℃、压力为12MPa、左旋精氨酸与丙交酯的摩尔比为1:50、反应时间为48h，得到的聚合物产物为颗粒状粉末，而且产物收率达到了85％，聚合物的数均分子量为11700，分子量分布为1.31。本发明采用人体所需氨基酸左旋精氨酸为引发剂，在超临界CO₂中合成生物医用材料聚丙交酯，其使用的引发剂和溶剂均为绿色试剂，且制备方法简单高效，是一种具有广泛应用前景的生物医用高分子材料的制备方法。 【EN】The invention relates to a method for initiating lactide ring-opening dispersion polymerization by using arginine. According to the invention, lactide is used as a raw material, L-arginine is used as an initiator and also used as a catalyst, a triblock polymer PCL-PDMS-PCL is used as a stabilizer, and the polylactide is synthesized by a ring-opening dispersion polymerization method. The structure and performance of the obtained polymer are characterized, and the result shows that when the reaction temperature is 130 ℃, the pressure is 12MPa, the molar ratio of the L-arginine to the lactide is 1:50, and the reaction time is 48 hours, the obtained polymer product is granular powder, the product yield reaches 85%, the number average molecular weight of the polymer is 11700, and the molecular weight distribution is 1.31. The invention adopts the amino acid L-arginine required by human body as an initiator and adopts supercritical CO₂The initiator and the solvent used in the method are green reagents, and the preparation method is simple and efficient, thereby being a biological medical material polylactide with wide application prospectA preparation method of medical polymer material.

摘要：【中文】本发明公开了一种基于时空相关性的卫星网络流量预测方法，包括以下步骤：提取卫星时空相关流量；缩减奇异矩阵分解的相关流量维度并提取特征；建立基于梯度提升回归树的卫星网络流量预测模型。本发明首先将所收集到的时空流量进行奇异矩阵分解，得到降维后的时空相关流量，作为梯度提升回归树的预测输入，然后进行训练和测试，最终输出精准的预测值。本发明的梯度提升回归树沿梯度下降的方向构建一个新的模型，这里利用提高学习率从而优化算法收敛的方法，此外，通过最小化损失函数的期望值来不断更新模型，从而使得模型趋于稳定，最后用测试数据预测未来值进行验证。本发明为卫星网络流量的规划提供了决策支持，具有良好的应用前景。 【EN】The invention discloses a satellite network flow prediction method based on space-time correlation, which comprises the following steps: extracting satellite space-time related flow; reducing relevant flow dimensionality of singular matrix decomposition and extracting features; and establishing a satellite network flow prediction model based on the gradient lifting regression tree. The method comprises the steps of firstly, carrying out singular matrix decomposition on collected space-time flow to obtain space-time related flow after dimensionality reduction, using the space-time related flow as prediction input of a gradient lifting regression tree, then carrying out training and testing, and finally outputting an accurate predicted value. The gradient lifting regression tree of the invention constructs a new model along the gradient descending direction, a method for improving learning rate to optimize algorithm convergence is utilized, in addition, the model is continuously updated by minimizing the expected value of a loss function, so that the model tends to be stable, and finally, the test data is used for predicting the future value for verification. The method provides decision support for planning the satellite network flow and has good application prospect.

摘要：【中文】本发明公开了一种大学学生受体化考核方法，属于学生考核方式领域，包括S1：试前准备，学生组队，构建考试题库，依据考试题库确定考核步骤，教师进行考试题库的审核；S2：考核环节，被考核学生从考试题库中抽取待考题目，进行考前准备，考前准备完毕后进入正式考核S3：试后讨论点评，学生针对考核环节中出现的问题进行讨论，教师针对考核环节中出现的问题进行解答和点评。本发明的方法能够提升学生的信息素养和积极性，并且能够使学生验证自己的学习成果，进而找到适合自己的学习方法。 【EN】The invention discloses a college student acceptor assessment method, which belongs to the field of student assessment modes and comprises the following steps of S1: preparing before a test, grouping students, constructing an examination question bank, determining examination steps according to the examination question bank, and examining the examination question bank by teachers; s2: in the examination link, the examined students extract questions to be examined from the examination question library to prepare before examination, and enter formal examination S3 after the preparation before examination is finished: and (4) discussing and commenting after the test, discussing the problems in the assessment link by students, and solving and commenting the problems in the assessment link by teachers. The method can improve the information literacy and enthusiasm of students, and enable the students to verify the learning results of the students so as to find a learning method suitable for the students.

摘要：【中文】一种高温、高硬度高Nb‑TiAl‑Si合金及其制备方法，属于特殊金属领域。本发明首先放置稀有金属Nb粉，随后放置Si粉、Al块，最后将海绵Ti放在熔炼炉中最上层，关闭侧炉门；熔炼前，对熔炼炉抽真空后加入氮气开始对样品翻转熔炼，熔炼结束后，将金属液倒入自制的模具中得到棒状试样，待其冷却取出；试验材料经线切割和机械抛光去除表面杂质，用丙酮清洗后封入石英管中热处理，再淬入冰水中；接着对该合金进行高温氧化实验，即得到高硬度、高抗氧化性的高Nb‑TiAl‑Si合金。本发明制备的高Nb‑TiAl‑Si合金的晶粒明显细化，比现有Nb‑TiAl合金的晶粒直径明显减少，说明本发明制备的高Nb‑TiAl‑Si合金的具有很好的力学性能。 【EN】A high-temperature, high-hardness and high-Nb-TiAl-Si alloy and a preparation method thereof, belonging to the field of special metals. Placing rare metal Nb powder, then placing Si powder and Al blocks, finally placing sponge Ti on the uppermost layer in a smelting furnace, and closing a side furnace door; before smelting, vacuumizing a smelting furnace, adding nitrogen to start overturning smelting of the sample, pouring molten metal into a self-made mold to obtain a rod-shaped sample after smelting is finished, and cooling and taking out the rod-shaped sample; the test material is subjected to surface impurity removal through wire cutting and mechanical polishing, is sealed in a quartz tube for heat treatment after being cleaned by acetone, and is then quenched in ice water; and then carrying out a high-temperature oxidation experiment on the alloy to obtain the high-hardness and high-oxidation-resistance Nb-TiAl-Si alloy. The grain diameter of the high Nb-TiAl-Si alloy prepared by the invention is obviously refined and is obviously reduced compared with the grain diameter of the existing Nb-TiAl alloy, thus the high Nb-TiAl-Si alloy prepared by the invention has good mechanical property.

摘要：【中文】本发明涉及一种基于元胞自动机的Ni‑Mn‑In合金组织演变过程模拟的方法。其操作步骤为：首先，用元胞自动机模拟Ni‑Mn‑In初始晶粒，晶粒的晶向在1‑180°之间，用MATLAB做RGB图像；然后，基于邻居相互作用规则建立元胞自动机模型；其次，根据模拟的初始晶粒，得到初始状态的晶界变量矩阵和晶向变量矩阵；再建立动态再结晶的数学模型，基于该数学模型建立元胞自动机的演化规则，以此判断元胞是否满足动态再结晶形核规则。最后，对生成的再结晶晶粒模型进行相关参数验证。本发明模型和程序模拟得到的晶粒尺寸相对误差小，模拟的初始组织可靠性强，该方法非常适应于合金力学性能提高模型的控制。 【EN】The invention relates to a method for simulating an evolution process of a Ni-Mn-In alloy structure based on a cellular automaton. The operation steps are as follows: firstly, simulating an initial Ni-Mn-In crystal grain by using a cellular robot, wherein the crystal orientation of the crystal grain is between 1 and 180 degrees, and using MATLAB as an RGB image; then, establishing a cellular automaton model based on a neighbor interaction rule; secondly, obtaining a grain boundary variable matrix and a crystal orientation variable matrix in an initial state according to the simulated initial grains; and then establishing a dynamic recrystallization mathematical model, and establishing an evolution rule of a cellular automaton based on the mathematical model so as to judge whether the cells meet the dynamic recrystallization nucleation rule. And finally, carrying out relevant parameter verification on the generated recrystallized grain model. The grain size obtained by the model and program simulation of the invention has small relative error, the reliability of the simulated initial structure is strong, and the method is very suitable for controlling the model for improving the mechanical property of the alloy.

摘要：【中文】本发明涉及一种萃取噻吩的复合材料及其制备方法，属于萃取分离技术领域。本发明所述复合材料为碳纳米管负载的深共融溶剂；所述深共融溶剂为氢键受体与氢键供体。本发明改善了因深共融溶剂是液体在工业上运输储存的不方便而采取固载化方法，且萃取方法简单、脱硫效率高、操作条件温和、环境友好，噻吩的脱硫率最高达97.40％。 【EN】The invention relates to a composite material for extracting thiophene and a preparation method thereof, belonging to the technical field of extraction and separation. The composite material is a deep eutectic solvent loaded by carbon nano tubes; the deep eutectic solvent is a hydrogen bond acceptor and a hydrogen bond donor. The invention improves the inconvenience of industrial transportation and storage of the deep eutectic solvent, adopts an immobilization method, has simple extraction method, high desulfurization efficiency, mild operation conditions and environmental protection, and has the highest thiophene desulfurization rate of 97.40 percent.

摘要：【中文】一种液体电阻率的测量方法，属于液体电阻率测量领域。包括以下步骤：S1:组装测试装置；S2:将电极放入待测溶液中，获取平均电流和平均电压，从而得到总电阻；S3:通过电阻率公式求得待测溶液电阻率。本发明能够精准获取不同温度、不同浓度液体的电阻率。 【EN】A method for measuring liquid resistivity belongs to the field of liquid resistivity measurement. The method comprises the following steps: s1, assembling the testing device; s2, putting the electrode into the solution to be measured to obtain the average current and the average voltage so as to obtain the total resistance; and S3, obtaining the resistivity of the solution to be detected through a resistivity formula. The invention can accurately obtain the resistivity of the liquid with different temperatures and different concentrations.

摘要：【中文】本发明公开了一种横向馈电电极，包括：外壳、顶盖、底盘、主动杆、连杆和更换块。主动杆用于与机床主轴的连接，传递机床主轴的运动；连杆用于将机床主轴的垂直运动转化为水平运动；外壳用于支撑电极运动，方便电极定位；更换块用于放电加工，可在出现一定损耗后更换。本电极实现了垂直运动与水平运动的转换，提高了垂直壁上的孔、环形槽以及其它复杂结构的加工精度，扩大了电火花机床的应用范围。 【EN】The invention discloses a transverse feed electrode, comprising: shell, top cap, chassis, initiative pole, connecting rod and change piece. The driving rod is used for being connected with a machine tool spindle and transmitting the motion of the machine tool spindle; the connecting rod is used for converting the vertical motion of the machine tool spindle into horizontal motion; the shell is used for supporting the electrode to move, so that the electrode is convenient to position; the replacement block is used for electric discharge machining and can be replaced after certain loss occurs. The electrode realizes the conversion between vertical motion and horizontal motion, improves the machining precision of holes, annular grooves and other complex structures on the vertical wall, and enlarges the application range of the electric spark machine tool.