摘要：【中文】提供了一种阻风区识别方法和设备。该方法包括：根据输入的指定点以及指定风向从地形数据提取经过所述指定点和所述指定风向的预定长度的二维剖面地形；针对所述二维剖面地形上的预定范围内的每一个点，通过将所述每一个点与所述指定点的海拔值之间的差值的预定倍数与所述指定点到所述每一个点之间的水平距离进行比较来确定所述指定点是否位于所述每一个点的阻风区内。 【EN】A choke zone identification method and apparatus are provided. The method comprises the following steps: extracting a two-dimensional profile terrain of a predetermined length passing through a designated point and a designated wind direction from terrain data according to the input designated point and the designated wind direction; for each point within a predetermined range on the two-dimensional profile terrain, determining whether the specified point is located within a choke zone of the each point by comparing a predetermined multiple of a difference between an altitude value of the each point and the specified point to a horizontal distance between the specified point and the each point.

摘要：【中文】本发明公开了一种用于沥青自修复的包含修复剂的聚吡咯/聚偏二氟乙烯复合导电中空纤维制备方法。目前，用于沥青路面自修复方面的复合材料多为包含修复剂的微胶囊。这些工艺复杂、产量不高，以及其包含的修复剂的量很少的缺点。本发明在制备好的包含修复剂的聚偏二氟乙烯中空纤维的基础上，在其表面采用化学聚合方法原位合成聚吡咯。并形成一层导电层，从而形成包含修复剂的导电的中空纤维。聚吡咯原位合成在中空纤维表面，增加了中空纤维的导电导热性，将热诱导修复和添加修复剂修复同时运用在沥青自修复中。该导电中空纤维具有导电导热性、稳定性、大的包含修复剂的容量，优良的强度。本制备方法工艺简单，不需要复杂的的反应和苛刻的反应条件，可操作性强。 【EN】The invention discloses a preparation method of polypyrrole/polyvinylidene fluoride composite conductive hollow fibers containing a repairing agent for self-repairing of asphalt. At present, most of composite materials used in the self-repairing aspect of asphalt pavements contain microcapsules of repairing agents. These processes are complex, have low yields and contain only small amounts of remediation agents. The invention adopts a chemical polymerization method to synthesize polypyrrole on the surface of the prepared polyvinylidene fluoride hollow fiber containing the repairing agent in situ. And forming a conductive layer to form the conductive hollow fiber containing the repair agent. The polypyrrole is synthesized on the surface of the hollow fiber in situ, so that the electric and thermal conductivity of the hollow fiber is increased, and the heat-induced repair and the repair agent addition repair are simultaneously applied to the self-repair of the asphalt. The conductive hollow fiber has the advantages of electric and thermal conductivity, stability, large capacity of containing a repairing agent and excellent strength. The preparation method has simple process, does not need complex reaction and harsh reaction conditions, and has strong operability.

摘要：【中文】本发明涉及一种包覆油性修复剂的中空纤维的制备方法，并运用于老化沥青的滋润和修复。其特征在于：采用聚偏二氟乙烯(PVDF)作为纤维壁材，油性修复剂作为芯材，通过干湿一步法纺丝将油性修复剂包覆在中空纤维内腔中制备成包含有修复剂的中空纤维。主要步骤如下：(1)将聚偏二氟乙烯粉末中的水分加热脱除(2)将聚偏二氟乙烯融解在N，N‑二甲基乙酰胺(DMAC)制成铸膜液。(3)脱出铸膜液中的气泡。(4)将铸膜液和芯液转移至纺丝罐中，开始纺丝。(5)将包含有修复剂的中空纤维收集，封口。 【EN】The invention relates to a preparation method of hollow fiber coated with an oily repairing agent, which is applied to moistening and repairing aged asphalt. The method is characterized in that: polyvinylidene fluoride (PVDF) is used as a fiber wall material, an oily repairing agent is used as a core material, and the oily repairing agent is coated in the inner cavity of the hollow fiber through spinning by a dry-wet one-step method to prepare the hollow fiber containing the repairing agent. The method mainly comprises the following steps: (1) heating and removing water in polyvinylidene fluoride powder, and (2) melting polyvinylidene fluoride in N, N-Dimethylacetamide (DMAC) to prepare a casting solution. (3) Removing air bubbles in the casting solution. (4) And transferring the casting solution and the core solution into a spinning tank to start spinning. (5) Collecting the hollow fiber containing the repairing agent, and sealing.

摘要：【中文】本发明属于阅片器装置领域，尤其是一种放射科影像诊断阅片器装置，针对现有的上述专利虽然可以调节阅片器的高度且可以移动，但是装置结构复杂，体积较大，占用了较大的空间，移动费力的问题，现提出如下方案，其包括底座，所述底座的顶部开设有转动槽，转动槽内转动安装有丝杆，底座的上方设置顶部为开口的阅片器主体，阅片器主体的底部固定安装有滑动板，滑动板的底端开设有螺纹槽，且丝杆延伸至螺纹槽内并与螺纹槽螺纹连接。本发明结构简单，操作方便，通过采用脚踏板用脚轻轻一踩即可完成对阅片器主体的高度调节，省时省力，同时，还方便对阅片器主体进行固定和移动，所以满足了人们的需求。 【EN】The invention belongs to the field of a sheet reader device, in particular to a radiology department image diagnosis sheet reader device, which aims at the problems that although the height of the sheet reader can be adjusted and the sheet reader can move in the prior patent, the device has a complex structure and a large volume, occupies a large space and is difficult to move. The height adjusting device is simple in structure and convenient to operate, the height of the film reader main body can be adjusted by slightly stepping on the pedal plate with feet, time and labor are saved, and meanwhile, the film reader main body is convenient to fix and move, so that the requirements of people are met.

摘要：本发明涉及一种空间直线面的演示装置。该装置包括母线杆和支撑机构，母线杆为直杆，其中部连接着球头杆的球头端，且可在球头端转动；所述支撑机构包括支撑套管，支撑套管内通过轴承设有传动杆，传动杆的上端为螺纹端，且伸至支撑套管外；支撑套管上端设有压盖，所述球头杆的另一端设在压盖内；与传动杆下端对应的支撑套管下端连接着压板。本发明解决了在教学和科普中运用公式和定型模型理解直母线运动而形成曲面，难以被受众者理解的难题，可用于演示双曲面、圆柱面和圆锥面等形成过程。本发明演示装置设计合理，结构简单，可以广泛用于科普教育或教学。

摘要：本发明公开掘进机的密封油脂用量控制系统及控制方法。控制系统包括：油脂泵，油脂泵与主驱动外密封腔连通；动力源装置，动力源装置与油脂泵相连；油脂计量装置，油脂计量装置设在油脂泵的下游以计量从油脂泵流出的油脂的流量；控制阀，控制阀串联在油脂计量装置和油脂泵之间；压力检测装置，压力检测装置用于检测主驱动外密封腔的压力和开挖仓的压力；控制装置，控制装置与油脂计量装置、控制阀和压力检测装置相连，控制装置被构造成在油脂计量装置检测到油量大于油脂最大消耗量且主驱动外密封腔的压力与开挖仓的压力的差值大于预设值时控制控制阀关闭。根据本发明控制系统，有利于节约油脂用量，同时还有利于保证主驱动密封的安全性。

摘要：【中文】本发明涉及一种聚四氟乙烯分散浓缩液及其制备方法，所述制备方法具体为：在内氧含量不大于30ppm的反应器中，加入去离子水、稳定剂、改性剂、四氟乙烯单体、引发剂以及分散剂进行聚合反应，得到改性聚四氟乙烯聚合液，经后处理浓缩得到聚四氟乙烯分散浓缩液；其中，所述聚合反应的温度控制在78～90℃，压力控制在2.0～3.0Mpa；当所述聚合反应的乳液固含量为32～35％时，停止反应。本发明所制得的聚四氟乙烯分散浓缩液的粒径均匀，具有耐磨、耐龟裂、稳定性强、附着力强、成膜性好等特点；并有效提高了涂膜的应用性能和使用寿命。 【EN】The invention relates to a polytetrafluoroethylene dispersion concentrated solution and a preparation method thereof, wherein the preparation method specifically comprises the following steps: adding deionized water, a stabilizer, a modifier, a tetrafluoroethylene monomer, an initiator and a dispersant into a reactor with the internal oxygen content not more than 30ppm for polymerization reaction to obtain a modified polytetrafluoroethylene polymer solution, and performing post-treatment and concentration to obtain a polytetrafluoroethylene dispersion concentrated solution; wherein the temperature of the polymerization reaction is controlled to be 78-90 ℃, and the pressure is controlled to be 2.0-3.0 Mpa; and stopping the reaction when the solid content of the emulsion in the polymerization reaction is 32-35%. The polytetrafluoroethylene dispersion concentrate prepared by the invention has uniform particle size, and has the characteristics of wear resistance, crack resistance, strong stability, strong adhesive force, good film forming property and the like; and effectively improves the application performance and the service life of the coating.

摘要：【中文】本发明公开了一种大尺寸厚度半导体材料的精密切割方法及其精密切割装置，半导体材料的厚度大于其目标切割芯片颗粒的长度和宽度，精密切割步骤包括：将半导体材料直接或间接固定粘接在切割平台上，采用刀片根据第一预设切割道组对半导体材料进行切断加工，半导体材料形成第一切割缝组，向第一切割缝组内填充灌注支撑定型固化胶后，再采用刀片根据第二预设切割道组对半导体材料进行切断加工，通过填充解胶工艺去除第一切割缝组内的灌注支撑定型固化胶；本发明不会由于其厚度大于其长度和宽度的加工需求而导致切割良品率低的问题，确保全部目标切割芯片颗粒的外观合格且性能可靠稳定，切割良品率高。 【EN】The invention discloses a precision cutting method and a precision cutting device for a semiconductor material with large size and thickness, wherein the thickness of the semiconductor material is larger than the length and the width of target cutting chip particles, and the precision cutting step comprises the following steps: directly or indirectly fixedly bonding a semiconductor material on a cutting platform, cutting off the semiconductor material by using a blade according to a first preset cutting path group to form a first cutting path group, filling a perfusion support setting curing adhesive into the first cutting path group, then cutting off the semiconductor material by using the blade according to a second preset cutting path group, and removing the perfusion support setting curing adhesive in the first cutting path group by using a filling and dispergating process; the invention can not cause the problem of low cutting yield rate due to the fact that the thickness of the cutting chip is larger than the processing requirements of the length and the width of the cutting chip, ensures that the appearance of all target cutting chip particles is qualified, the performance is reliable and stable, and the cutting yield rate is high.

摘要：【中文】本发明涉及生物制药技术领域，具体涉及一种人间充质干细胞体外快速扩增用添加剂及扩增方法。本发明添加剂中没食子酸、烟酰胺、丙戊酸、P57抑制剂等相互协同作用，增加人间充质干细胞在细胞发生时发生细胞周期的合成周期（S期）的百分比，以促进细胞快速分裂和增殖，同时保持干细胞多功能分化的潜力；增加人间充质干细胞的端粒酶逆转录酶，以延长端粒还原至的时间，延缓细胞衰老，延长细胞寿命，获得至少2至3倍含量的生长因子。 【EN】The invention relates to the technical field of biological pharmacy, in particular to an additive for rapid in vitro amplification of human mesenchymal stem cells and an amplification method. The additive provided by the invention has the synergistic effects of gallic acid, nicotinamide, valproic acid, a P57 inhibitor and the like, and the percentage of a synthetic cycle (S phase) of a cell cycle of human mesenchymal stem cells is increased when the cells occur, so that the cells are promoted to be rapidly divided and proliferated, and meanwhile, the multifunctional differentiation potential of the stem cells is maintained; increasing telomerase reverse transcriptase of human mesenchymal stem cells to prolong the time of telomere reduction, delay cell aging, prolong the cell life and obtain growth factors with the content of at least 2 to 3 times.

摘要：【中文】本发明属于药物技术领域，尤其涉及(R)‑2‑[(4‑氯苯基)(4‑哌啶氧基)甲基]吡啶的制备方法，该方法包括：将消旋体2‑[(4‑氯苯基)(4‑哌啶基氧基)甲基]吡啶与第一溶剂混合，再加入第一N‑酰基‑氨基酸，得到粗品；将所述粗品与第二溶剂混合，加入第二N‑酰基‑氨基酸，得到氨基酸盐粗品；将所述氨基酸盐粗品与第三溶剂混合，得到目标化合物(R)‑2‑[(4‑氯苯基)(4‑哌啶氧基)甲基]吡啶。本发明提供的(R)‑2‑[(4‑氯苯基)(4‑哌啶氧基)甲基]吡啶的制备方法，通过两次拆分和一次结晶可得到较高的光学纯度产品，并具有收率高、操作简单的特点，对提高生产效率具有重要意义。 【EN】The invention belongs to the technical field of medicines, and particularly relates to a preparation method of (R) -2- [ (4-chlorphenyl) (4-piperidinyloxy) methyl ] pyridine, which comprises the following steps: mixing racemate 2- [ (4-chlorphenyl) (4-piperidyl oxy) methyl ] pyridine with a first solvent, and adding a first N-acyl-amino acid to obtain a crude product; mixing the crude product with a second solvent, and adding a second N-acyl-amino acid to obtain an amino acid salt crude product; and mixing the crude amino acid salt with a third solvent to obtain the target compound (R) -2- [ (4-chlorphenyl) (4-piperidinyloxy) methyl ] pyridine. According to the preparation method of (R) -2- [ (4-chlorphenyl) (4-piperidinyloxy) methyl ] pyridine, a product with high optical purity can be obtained through twice resolution and once crystallization, and the preparation method has the characteristics of high yield and simplicity in operation and has important significance for improving the production efficiency.