摘要：【中文】本发明涉及一种用于污水环境下混凝土的复合杀菌剂及其筛选方法，所述复合杀菌剂由金属(铜、锌、铅、锰、镍)酞菁、戊二醛、溴化钠按照0.8‑1：0.8‑1：0.8‑1的重量比复合而成。本发明所配复合杀菌剂可有效灭杀城市污水中的硫酸盐还原菌以及各种产酸菌，从而提高市政混凝土污水管道及污水处理基础设施的耐久性能。此外，所述复合杀菌剂掺入混凝土中对其自身的流动性以及强度还有改善作用，是一种适合用于城市污水环境下的混凝土专用杀菌外加剂。 【EN】The invention relates to a composite bactericide for concrete in sewage environment and a screening method thereof, wherein the composite bactericide is prepared from metal (copper, zinc, lead, manganese and nickel) phthalocyanine, glutaraldehyde and sodium bromide according to the weight ratio of 0.8-1: 0.8-1: 0.8-1 weight ratio. The compound bactericide prepared by the invention can effectively kill sulfate reducing bacteria and various acid-producing bacteria in municipal sewage, thereby improving the durability of municipal concrete sewage pipelines and sewage treatment infrastructures. In addition, the composite bactericide has an improvement effect on the fluidity and the strength of the composite bactericide when being mixed into concrete, and is a special bactericidal additive for the concrete suitable for being used in the urban sewage environment.

摘要：【中文】本发明属于印制线路板技术领域，尤其涉及一种刚挠结合板和印制线路板。本发明提供的刚挠结合板包括：至少两个刚挠结合层，且相邻的两个刚挠结合层之间设置有第一粘结层；第一粘结层包括：第一半固化胶片、纯胶片和第二半固化胶片，第一半固化胶片、纯胶片和第二半固化胶片沿平行于刚挠结合层平面的方向依次设置，第一半固化胶片和第二半固化胶片的可弯折度均小于纯胶片的可弯折度，使得刚挠结合板具有良好的结构稳定性和挠曲性能，使其在实现极小弯曲半径及弯曲长度区域的弯折的同时，避免了由于弯折时的粘结层结构变形导致的电路短路问题，有利于促进具有多层刚挠结合层结构的刚挠结合板在印制线路板领域的广泛应用。 【EN】The invention belongs to the technical field of printed circuit boards, and particularly relates to a rigid-flex printed circuit board and a printed circuit board. The rigid-flex printed circuit board provided by the invention comprises: at least two rigid-flexible combination layers, wherein a first bonding layer is arranged between every two adjacent rigid-flexible combination layers; the first adhesive layer includes: first semi-solid glue piece, pure film and second semi-solid glue piece, first semi-solid glue piece, pure film and second semi-solid glue piece set gradually along the orientation that is on a parallel with rigid-flex combined layer plane, the degree of bendability of first semi-solid glue piece and second semi-solid glue piece all is less than the degree of bendability of pure film, make rigid-flex combined plate have good structural stability and flexural property, make it when realizing the regional bending of minimum bend radius and bending length, the circuit short circuit problem that leads to has been avoided owing to the tie coat structural deformation when buckling, be favorable to promoting the wide application in the printed wiring board field of rigid-flex combined plate that has multilayer rigid-flex combined layer structure.

摘要：【中文】本发明公开了一种基于自回归滑动平均模型的长期土壤温湿度高精度预测方法，首先对历史土壤湿度和温度数据进行数据预处理，接着通过AIC准则确定ARMA模型的阶数，然后使用土壤湿度和温度的历史数据对ARMA模型拟合，获得确定的ARMA模型，通过该ARMA模型预测出未来的土壤湿度和温度，结合气象局对未来天气的预测值，从而确定未来长期智能灌溉系统的灌溉水量。本发明预测土壤湿度和温度的ARMA模型也是在不断调整优化的，保证了ARMA模型的有效性，为长期预测的土壤湿度和温度具备实际指导价值；同时本发明使用模型预测结果与历史真实数据的均方误差来评价模型的可靠性，从而量化模型的拟合好坏，实现科学调整模型参数。 【EN】The invention discloses a long-term soil temperature and humidity high-precision prediction method based on an autoregressive moving average model. The ARMA model for predicting the soil humidity and the temperature is also continuously adjusted and optimized, so that the effectiveness of the ARMA model is ensured, and the ARMA model has actual guiding value for predicting the soil humidity and the temperature for a long time; meanwhile, the reliability of the model is evaluated by using the mean square error of the model prediction result and the historical real data, so that the fitting quality of the model is quantized, and the model parameters are scientifically adjusted.

摘要：【中文】本发明公开了一种交直流输电系统谐波阻抗测定方法及系统，该方法包括S1、采集获取电力SCADA中的实时数据，以计算出交直流输电系统所需计算元件的当前运行工况下的谐波阻抗值；S2、对步骤S1所计算得到的所需计算元件的当前运行工况下的谐波阻抗值采用常规交流系统谐波阻抗计算方法，分别计算交流系统和直流输电系统中不同观测节点在不同频率下的谐波阻抗值。本发明通过利用现场实时数据计算各元件当前运行工况下的谐波阻抗值，然后利用常规交流系统谐波阻抗计算方法，可以得到不同观测节点在不同频率下的谐波阻抗值，而且结果准确有效，从而有利于保证输电系统的正常运。 【EN】The invention discloses a method and a system for measuring harmonic impedance of an alternating current and direct current power transmission system, wherein the method comprises the steps of S1, acquiring real-time data in an electric power SCADA (supervisory control and data acquisition) system to calculate a harmonic impedance value of a calculation element required by the alternating current and direct current power transmission system under the current operation condition; and S2, respectively calculating the harmonic impedance values of different observation nodes in the alternating current system and the direct current transmission system under different frequencies by adopting a conventional alternating current system harmonic impedance calculation method for the harmonic impedance values of the required calculation elements calculated in the step S1 under the current operation condition. According to the invention, the harmonic impedance values of each element under the current operation working condition are calculated by using the field real-time data, and then the harmonic impedance values of different observation nodes under different frequencies can be obtained by using the conventional alternating current system harmonic impedance calculation method, and the result is accurate and effective, so that the normal operation of a power transmission system is ensured.

摘要：【中文】本发明公开了一种双端恒阻滤波组件，包括输入端子1,输出端子2，电感L1、L2、L3、L4、L5，电阻R1、R2，所述输入端子1连接电感L1的输入端，所述电感L1的输出端连接电感L2的输入端，所述电感L2的输出端连接电感L3的输入端，所述电感L3的输出端连接输出端子2；所述电感L1、L4的输入端并联有电容C1，所述电感L1、L4的输出端并联有电容C2，所述电感L3、L5的输入端并联有电容C3，所述电感L3、L5的输出端并联有电容C4；所述电阻R1与电容C5串联后并联连接在电感L4的两端，所述电阻R2与电容C6串联后并联连接在电感L5的两端。本发明提供一种具有超宽带响应工作频段、良好带外抑制特性、任意截止频率滤波设计的双端恒阻滤波组件。 【EN】The invention discloses a double-end constant-resistance filtering component which comprises an input terminal 1, an output terminal 2, inductors L1, L2, L3, L4, L5 and resistors R1 and R2, wherein the input terminal 1 is connected with the input end of the inductor L1, the output end of the inductor L1 is connected with the input end of the inductor L2, the output end of the inductor L2 is connected with the input end of the inductor L3, and the output end of the inductor L3 is connected with the output terminal 2; the input ends of the inductors L1 and L4 are connected with a capacitor C1 in parallel, the output ends of the inductors L1 and L4 are connected with a capacitor C2 in parallel, the input ends of the inductors L3 and L5 are connected with a capacitor C3 in parallel, and the output ends of the inductors L3 and L5 are connected with a capacitor C4 in parallel; the resistor R1 is connected in series with the capacitor C5 and then connected in parallel to two ends of the inductor L4, and the resistor R2 is connected in series with the capacitor C6 and then connected in parallel to two ends of the inductor L5. The invention provides a double-end constant-resistance filtering component which has an ultra-wideband response working frequency band, good out-of-band rejection characteristic and arbitrary cut-off frequency filtering design.

摘要：【中文】一种拖曳系统收放绞车两档变速箱的换挡机构，包括箱体、输入轴和输出轴，在输入轴上装配有两个主动齿轮，两个与主动齿轮相啮合的从动齿轮可转动的装配在输出轴上，还包括装配在输出轴上的滑移组件和安装在箱体上的拨叉组件，滑移组件设置在两个从动齿轮之间，所述滑移组件包括花键连接在输出轴上的滑移块，在滑移块两侧安装有多根定位杆，各根定位杆是绕着输出轴轴线均匀分布，在从动齿轮上开设有多个与所述定位杆相对应的定位孔，拨叉组件通过驱动滑移块在输出轴上轴向移动，以将滑移块两侧定位杆交替插入两个从动齿轮定位孔。本发明能够将凸轮轴驱动改变为齿轮齿条驱动，将滑移齿轮啮合改变为滑移组件啮合，从而实现换挡顺畅的目的。 【EN】The utility model provides a drag system and receive and release gearshift of two grades of gearboxes of winch, includes box, input shaft and output shaft, is equipped with two driving gears on the input shaft, and two rotatable assemblies on the output shaft with driving gear engaged with driven gear still include the assembly at the epaxial subassembly of sliding of output and install the fork assembly on the box, and the subassembly of sliding sets up between two driven gear, the subassembly of sliding includes the sliding block of splined connection on the output shaft, installs many locating levers in the sliding block both sides, and each locating lever is round output shaft axis evenly distributed, seted up on driven gear a plurality of with the corresponding locating hole of locating lever, fork assembly pass through drive sliding block axial displacement on the output shaft to insert two driven gear locating holes in turn with sliding block both sides locating lever. The invention can change the cam shaft drive into the gear rack drive and change the meshing of the sliding gear into the meshing of the sliding component, thereby realizing the aim of smooth gear shifting.

摘要：【中文】本申请涉及一种图像识别方法、装置、计算机设备和存储介质。所述方法包括：获取待识别图像数据集；将待识别图像数据集输入至分类模型，并由分类模型输出待识别图像数据集对应的类型标签；分类模型为通过将训练图片集中的每张训练图片作为输入，通过将对应的训练图片的类型标签作为输出，对预设的网络模型进行训练所得到；网络模型包括：用于提取训练图片的基础特征的卷积神经网络模型、用于对基础特征进行卷积以得到训练图片的局部特征的第一路卷积神经网络、以及用于对基础特征进行卷积以得到训练图片的全局特征的第二路卷积神经网络。采用本方法能够提高图像分类识别准确性和识别效率。 【EN】The application relates to an image recognition method, an image recognition device, a computer device and a storage medium. The method comprises the following steps: acquiring an image data set to be identified; inputting the image data set to be identified into a classification model, and outputting a type label corresponding to the image data set to be identified by the classification model; the classification model is obtained by taking each training picture in the training picture set as input and taking the type label of the corresponding training picture as output to train a preset network model; the network model includes: the convolutional neural network model is used for extracting basic features of the training picture, the first convolutional neural network is used for convolving the basic features to obtain local features of the training picture, and the second convolutional neural network is used for convolving the basic features to obtain global features of the training picture. By adopting the method, the image classification and identification accuracy and efficiency can be improved.

摘要：【中文】本发明属于锂离子电池技术领域，尤其涉及一种非水电解液及含有该电解液的锂离子电池，该非水电解液包括锂盐、非水性有机溶剂和添加剂，所述添加剂包括具有式Ⅰ结构的化合物添加剂A、具有式Ⅱ结构的化合物添加剂B和成膜添加剂。相比于现有技术，本发明提供的锂离子电池非水电解液，通过化合物添加剂A、化合物添加剂B、成膜添加剂和锂盐添加剂之间的协同作用，电解液在电极表面成膜性能优良，有效改善锂离子电池的热冲击性能，并且具有良好的循环性能、可有效改善高温存储性能且兼顾其动力学性能。 【EN】The invention belongs to the technical field of lithium ion batteries, and particularly relates to a non-aqueous electrolyte and a lithium ion battery containing the same. Compared with the prior art, the lithium ion battery non-aqueous electrolyte provided by the invention has the advantages that through the synergistic effect among the compound additive A, the compound additive B, the film forming additive and the lithium salt additive, the film forming performance of the electrolyte on the surface of an electrode is excellent, the thermal shock performance of the lithium ion battery is effectively improved, the cycle performance is good, the high-temperature storage performance can be effectively improved, and the dynamic performance is considered.

摘要：【中文】本发明涉及一种超大型轨道吊大梁拼装工艺，所述拼装工艺主要采用整体布局后再分段式运送安装的方式进行，整体布局主要包括场地选用、划线和胎架布置；分段式运送安装依次包括主梁布置、端梁装焊、上支腿门框安装、撑杆组件安装、拉杆安装、拉杆支撑安装、工艺撑安装、下部结构安装、排轨和辅助结构安装。本发明的优点在于：本发明超大型轨道吊大梁拼装工艺，采用整体布局后再分段式运送安装的方式进行拼装，布局合理，与原有工艺相比，可以减少吊装次数，进而降低劳动强度，同时，也能提高拼装效率，且可有效避免整体吊装过程中主梁上各支撑件的偏移，大大保证超大型轨道吊大梁拼装质量。 【EN】The invention relates to an assembling process of a girder of an ultra-large type track crane, which is mainly carried out in a way of sectional type conveying and mounting after integral layout, wherein the integral layout mainly comprises field selection, marking and jig frame arrangement; the sectional type transporting and installing sequentially comprises main beam arrangement, end beam welding, upper supporting leg door frame installation, brace rod assembly installation, pull rod support installation, process support installation, lower structure installation, rail arrangement and auxiliary structure installation. The invention has the advantages that: the assembling process of the girder of the ultra-large type track crane adopts the mode of sectional transportation and installation after integral layout for assembling, has reasonable layout, can reduce the hoisting times compared with the prior art, further reduces the labor intensity, simultaneously can improve the assembling efficiency, can effectively avoid the deviation of each supporting piece on the girder in the integral hoisting process, and greatly ensures the assembling quality of the girder of the ultra-large type track crane.

摘要：【中文】一种便捷式健身器，顶部支撑体的下端固定连接在底部支撑座的上端；顶部支撑体的中部开设有条形通孔；条形通孔的中部开设有一对滑槽；滑块的两端滑动地设置在一对滑槽中，滑块的上端通过拉簧与条形通孔中心的顶部连接，两个连接杆由条形通孔的两侧穿入并垂直地与滑块的两侧面固定连接；连接杆为空心管状结构，连接杆的外端上部具有斜切口段，其外端下部为竖直段；两个直手柄的里端的连接耳板伸入到两个连接杆外端的内部并通过转轴与两个连接杆的外端转动连接；底部支撑座内部具有容纳空腔，且于底部中心设置有连通到容纳空腔的出水口，并于出水口处通过螺纹配合连接有盖体。该健身器体积小巧，便于携带，能满足锻炼者外出过程中的锻炼需求。 【EN】A portable body-building device, the lower end of a top supporting body is fixedly connected with the upper end of a bottom supporting seat; the middle part of the top supporting body is provided with a strip-shaped through hole; the middle part of the strip-shaped through hole is provided with a pair of sliding chutes; two ends of the sliding block are slidably arranged in the pair of sliding grooves, the upper end of the sliding block is connected with the top of the center of the strip-shaped through hole through a tension spring, and the two connecting rods penetrate through two sides of the strip-shaped through hole and are vertically and fixedly connected with two side faces of the sliding block; the connecting rod is of a hollow tubular structure, the upper part of the outer end of the connecting rod is provided with a beveled opening section, and the lower part of the outer end of the connecting rod is a vertical section; the connecting ear plates at the inner ends of the two straight handles extend into the inner parts of the outer ends of the two connecting rods and are rotatably connected with the outer ends of the two connecting rods through rotating shafts; the bottom supporting seat is internally provided with a containing cavity, the center of the bottom supporting seat is provided with a water outlet communicated with the containing cavity, and the water outlet is connected with a cover body in a threaded fit mode. The body builder has small volume and convenient carrying, and can meet the exercise requirement of an exerciser in the outgoing process.