摘要：【中文】本发明涉及生物医学领域，特别涉及丝蛋白水凝胶及其制备方法、应用。该丝蛋白水凝胶由丝蛋白取向凝胶经浓度为0.001％～10％(w/v)的包被材料包被制得。本发明利用不同生物材料对丝蛋白取向凝胶进行包被，调控材料同干细胞的相互作用强度，获得理想的细胞粘附效果，结合结构仿生设计，实现胚胎干细胞命运的体外控制，在无滋养层细胞和基本避免外源性生长因子使用的前提下，采用常规细胞培养手段实现胚胎干细胞的干性长期维持和体外扩增。本技术解决了现有胚胎干细胞技术要求苛刻，费用昂贵等问题，为胚胎干细胞的体外扩增提供了简单、经济且更为稳定的培养基质和技术方法。 【EN】The invention relates to the field of biomedicine, and particularly relates to a silk protein hydrogel as well as a preparation method and application thereof. The silk fibroin hydrogel is prepared by coating silk fibroin oriented gel with a coating material with the concentration of 0.001-10% (w/v). The invention uses different biological materials to coat silk protein oriented gel, regulates and controls the interaction strength of the materials and stem cells, obtains ideal cell adhesion effect, combines structural bionic design, realizes the in vitro control of the fate of embryonic stem cells, and adopts the conventional cell culture means to realize the long-term maintenance and in vitro amplification of the dryness of the embryonic stem cells on the premise of no nourishing layer cells and basically avoiding the use of exogenous growth factors. The technology solves the problems of strict technical requirements, high cost and the like of the existing embryonic stem cells, and provides a simple, economic and more stable culture medium and a technical method for the in vitro amplification of the embryonic stem cells.

摘要：【中文】本发明涉及用于辉光放电质谱法检测的钨块样品的制备方法，它包括以下步骤：钨条柱切割、打磨、有机试剂清洗钨条柱、钨条柱嵌样、粗磨钨块、精磨钨条柱、酸液浸洗、去离子水冲洗、有机试剂清洗和吹干步骤。本发明解决了细长钨条尺寸不适合辉光放电质谱法检测分析的问题，且用普通的金相镶嵌粉替代了价格相对更贵的导电型金相镶嵌粉，减少了检测成本。 【EN】The invention relates to a preparation method of a tungsten block sample for glow discharge mass spectrometry detection, which comprises the following steps: cutting the tungsten bar column, polishing, cleaning the tungsten bar column by an organic reagent, embedding the tungsten bar column, roughly grinding the tungsten block, finely grinding the tungsten bar column, soaking and washing by acid liquor, washing by deionized water, cleaning by the organic reagent and drying by blowing. The invention solves the problem that the size of the slender tungsten bar is not suitable for glow discharge mass spectrometry detection and analysis, and the common metallographic mosaic powder replaces the conductive metallographic mosaic powder with relatively higher price, thereby reducing the detection cost.

摘要：【中文】本发明涉及一种合金渣料中主量、微量和痕量元素的快速分析方法，它包括以下步骤：合金渣料进行超声波碱液清洗、纯水清洗、有机试剂超声波清洗并吹干、使用合金渣料制作圆饼状试样、圆饼状试样压制、打磨、抛光、有机试剂清洗并吹干，使用碳硫仪、氧氮氢分析仪、光谱仪、X射线荧光光谱仪、质谱仪中的至少一种仪器对圆饼状试样中主量元素、微量元素和痕量元素进行分析。本发明的方法可根据仪器的检测能力和范围优化组合进行主量、微量和痕量元素分析检测，降低检测成本；本发明对高温合金渣料重熔冶炼具有良好的指导作用。 【EN】The invention relates to a method for rapidly analyzing major elements, trace elements and trace elements in alloy slag, which comprises the following steps: the method comprises the following steps of carrying out ultrasonic alkali liquor cleaning, pure water cleaning, organic reagent ultrasonic cleaning and blow-drying on alloy slag, manufacturing a round cake-shaped sample by using the alloy slag, pressing, grinding and polishing the round cake-shaped sample, cleaning and blow-drying the organic reagent, and analyzing major elements, trace elements and trace elements in the round cake-shaped sample by using at least one of a carbon sulfur instrument, an oxygen nitrogen hydrogen analyzer, a spectrometer, an X-ray fluorescence spectrometer and a mass spectrometer. The method can carry out analysis and detection on major elements, trace elements and trace elements according to the detection capability and range optimization combination of the instrument, thereby reducing the detection cost; the invention has good guiding function for remelting and smelting high-temperature alloy slag.

摘要：【中文】本发明涉及一种高钴铸造高温合金中超低氧含量的测定方法，它包括以下步骤：将高钴铸造高温合金圆棒用互动切割机切割成圆饼，切割时，以惰性气体吹扫切割处；将圆饼首先用水冷金相切割机切割出圆心角度数为90°的扇形块，再沿着扇形块的两个圆弧端点方向用水冷金相切割机切割出薄片，最后在薄片上切割出长条，在切割时均用液态惰性气体吹扫切割处进行冷却保护；对长条进行打磨以除去表面氧化层，打磨后沿着长度方向将长条剪成颗粒；颗粒使用有机溶剂进行清洗；颗粒使用氧氮分析仪测试其氧含量。本发明测试结果波动性较小且准确性较高。 【EN】The invention relates to a method for measuring ultralow oxygen content in high-cobalt cast high-temperature alloy, which comprises the following steps: cutting the high-cobalt cast high-temperature alloy round bar into round cakes by using an interactive cutting machine, and blowing inert gas to the cutting part during cutting; firstly, cutting a circular cake into a sector with a central angle of 90 degrees by using a water-cooled metallographic cutting machine, then cutting a thin sheet by using the water-cooled metallographic cutting machine along the directions of two arc end points of the sector, finally cutting a long strip on the thin sheet, and blowing the cutting part by using liquid inert gas for cooling protection during cutting; polishing the strip to remove a surface oxide layer, and cutting the strip into particles along the length direction after polishing; washing the particles with an organic solvent; the particles were tested for their oxygen content using an oxygen-nitrogen analyzer. The invention has the advantages of smaller fluctuation of the test result and higher accuracy.

摘要：【中文】一种Li_xZr_yO_z包覆的硅基负极材料，通过在硅基材料表面包覆一层Li_xZr_yO_z而制备，Li_xZr_yO_z可以是Li_2+δZrO₃、Li_6+3δZr₂O₇、Li_8+δZrO₆中的一种或几种的组合，δ＝(0～0.1)。该材料在硅基材料表面形成了致密且均匀的包覆层，不仅有效降低了硅基材料表面的副反应，对硅基材料的膨胀起到了有效的抑制作用，同时提高了材料的倍率性能。制备的包覆型硅基材料具有可逆比容量高、库伦效率、倍率和循环性能优良的特点。 【EN】Li_xZr_yO_zThe coated silicon-based negative electrode material is prepared by coating a layer of Li on the surface of a silicon-based material_xZr_yO_zTo prepare, Li_xZr_yO_zMay be Li_2+δZrO₃、Li_6+3δZr₂O₇、Li_8+δZrO₆One ofOr a combination of the two or more, wherein δ is (0 to 0.1). The material forms a compact and uniform coating layer on the surface of the silicon-based material, so that the side reaction on the surface of the silicon-based material is effectively reduced, the expansion of the silicon-based material is effectively inhibited, and the rate capability of the material is improved. The prepared coated silicon-based material has the characteristics of high reversible specific capacity and excellent coulombic efficiency, multiplying power and cycle performance.

摘要：【中文】本发明涉及塑料管回缩率试验技术领域，特别是一种塑料管材纵向回缩率试验划线装置，包括支撑框架，所述支撑框架的一端固定有用以放置管材试样的滚针轴承支座，所述支撑框架的另一端固定有划线笔距离调节杆支座，所述划线笔距离调节杆支座上设置有划线笔距离调节机构，所述划线笔距离调节机构与划线笔支撑装置相连接，所述划线笔支撑装置上设置有划线笔，所述管材试样上设置有转动机构。采用上述结构后，本发明通过划线器进一步的改进和完善，提出了一种操作灵活，标距准确，实用性强的划线装置。 【EN】The invention relates to the technical field of plastic pipe retraction rate tests, in particular to a marking device for a longitudinal retraction rate test of a plastic pipe, which comprises a supporting frame, wherein a needle bearing support for placing a pipe sample is fixed at one end of the supporting frame, a marking pen distance adjusting rod support is fixed at the other end of the supporting frame, a marking pen distance adjusting mechanism is arranged on the marking pen distance adjusting rod support, the marking pen distance adjusting mechanism is connected with a marking pen supporting device, a marking pen is arranged on the marking pen supporting device, and a rotating mechanism is arranged on the pipe sample. After the structure is adopted, the scribing device is further improved and perfected through the scriber, and the scribing device is flexible to operate, accurate in gauge length and high in practicability.

摘要：【中文】本发明涉及二氧化锆弥散强化铂材料或铂铑材料的制备方法，将铂铸锭或者铂铑铸锭和金属锆加入底铸真空感应炉中进行底铸真空熔炼；合金条切成合金圆柱体；用脉冲电弧粉末发生器进行造粉；合金粉末进行烘干；干燥粉末进行筛分，小于300目的合金粉末留用，其余的返回进行造粉；合金粉末加入到成型模具进行粗压；粗锭放入炉子进行热处理；将经过热处理后的粗锭用液压机进行压制，即得到成品。通过本发明方法制备所得的ZrO₂弥散强化铂材料或铂铑材料具有成品率高、性能稳定与均匀性好的优点，可用于制备弥散强化漏板、坩埚或者搅拌器等器件。 【EN】The invention relates to a preparation method of a zirconium dioxide dispersion strengthening platinum material or a platinum rhodium material, which comprises the steps of adding a platinum ingot or a platinum rhodium ingot and metal zirconium into a bottom casting vacuum induction furnace for bottom casting vacuum melting; cutting the alloy strip into an alloy cylinder; powder is produced by a pulse arc powder generator; drying the alloy powder; screening the dry powder, reserving the alloy powder smaller than 300 meshes, and returning the rest to perform powder making; adding alloy powder into a forming die for rough pressing; putting the coarse ingot into a furnace for heat treatment; and pressing the rough ingot after the heat treatment by using a hydraulic press to obtain a finished product.ZrO prepared by the process of the present invention₂The dispersion strengthening platinum material or the platinum-rhodium material has the advantages of high yield, stable performance and good uniformity, and can be used for preparing devices such as a dispersion strengthening bushing plate, a crucible or a stirrer and the like.

摘要：【中文】本申请公开了数据挖掘方法、数据挖掘装置和电子设备，涉及数据挖掘领域。具体实现方案为：获取查询信息；从所述查询信息中获取目标词；若所述目标词与预获取的标签库中的标签匹配成功，且所述标签所在的标签库不包括所述目标词，则将所述目标词添加到所述标签库中。由于对标签库的整个扩充过程不需要人工参与，降低了扩充成本，提高了扩充效率。 【EN】The application discloses a data mining method, a data mining device and electronic equipment, and relates to the field of data mining. The specific implementation scheme is as follows: acquiring query information; acquiring a target word from the query information; and if the target word is successfully matched with the label in the pre-acquired label library and the label library where the label is located does not comprise the target word, adding the target word into the label library. Because the whole expansion process of the tag library does not need manual participation, the expansion cost is reduced, and the expansion efficiency is improved.

摘要：【中文】本发明公开了一种绳带PNF组合式康复系统，包括与康复控制模块电性连接的肌肉电刺激模块、肌肉放松模块、绑带辅助康复模块、康复评价模块，康复控制模块包括用于获取和分析肌电信号的肌电模块、主动康复子模块、被动康复子模块；绑带辅助康复模块包括用于固定健肢关节点的健肢节点控制子模块、用于根据康复控制模块的控制指令进行康复动作的气动肌肉外骨骼、用于捆绑患肢的绑带。本发明的绳带PNF组合式康复系统，大大增强了患者的本体感觉输入和刺激，增强了助力运动、由于绳带的牵拉和扩张，训练模式多样，通过绳带结合PNF技术训练步态控制协调大大改善。 【EN】The invention discloses a rope belt PNF combined type rehabilitation system which comprises a muscle electrical stimulation module, a muscle relaxation module, a bandage auxiliary rehabilitation module and a rehabilitation evaluation module, wherein the muscle electrical stimulation module, the muscle relaxation module, the bandage auxiliary rehabilitation module and the rehabilitation evaluation module are electrically connected with a rehabilitation control module; the bandage auxiliary rehabilitation module comprises a limb-strengthening node control submodule for fixing a limb-strengthening joint point, a pneumatic muscle exoskeleton for performing rehabilitation action according to a control instruction of the rehabilitation control module, and a bandage for binding the affected limb. The rope belt PNF combined rehabilitation system greatly enhances proprioceptive input and stimulation of patients, enhances assisted movement, has various training modes due to traction and expansion of the rope belt, and greatly improves gait control coordination by combining the rope belt with the PNF technology.

摘要：【中文】本发明涉及一种合金渣料中化学成分快速测定用样品制备方法，包括以下步骤：选料、在碱性清洗液中加热超声清洗、纯水清洗、在有机试剂中超声清洗、负压条件下和惰性气体气氛中熔化制样和打磨及抛光步骤。本发明的方法步骤简单、操作方便，易于制备成满足光谱或质谱分析的块状样品；熔炼样品数量多，可用于合金渣料的均匀性分析。 【EN】The invention relates to a method for preparing a sample for rapidly determining chemical components in alloy slag, which comprises the following steps: selecting materials, heating and ultrasonically cleaning in alkaline cleaning liquid, cleaning with pure water, ultrasonically cleaning in an organic reagent, melting and preparing a sample under the negative pressure condition and in the inert gas atmosphere, and grinding and polishing. The method has simple steps and convenient operation, and is easy to prepare the massive sample meeting the spectrum or mass spectrum analysis; the smelting samples are large in quantity and can be used for uniformity analysis of the alloy slag.