摘要：本发明涉及高温涂层技术领域，具体涉及一种高温抗氧化低扩散镍铂铝涂层及其制备工艺，该涂层包括由外至内依次逐层分布的β相层、γ'‑β过渡层、γ'相层及铂层；其制备工艺包括步骤：利用磁控溅射方式在基体表面制备铂层；采用多弧离子镀方式在铂层的表面制备γ'相层；在γ'相层的表面制备γ'‑β过渡层；在γ'‑β过渡层的表面制备β相层。该高温抗氧化低扩散镍铂铝涂层及其制备工艺的目的是解决铂铝涂层的涂层抗高温氧化性能较差的问题。

摘要：【中文】本发明公开了一种氢燃料电池供氧方法及供氧系统、控制系统，供氧方法步骤为：a.燃料电池进入开机模式时，开启空压机，先将储存在辅助供氧管路内的空气输入电堆供氧，经过预设时间后停止辅助供氧管路供氧，再切换至原有供氧管路将外部空气输入电堆供氧；b.燃料电池进入停机模式时，空压机提供的外部空气一部分通过辅助供氧回路到电堆中进行消耗，另外一部分进入到辅助供氧管路中进行存储，储气完毕后再切换至原有供氧管路供氧。本发明供氧方法在电堆刚启动，空压机无法提供足够氧气时，利用储存在辅助供氧管路内部空气供氧，提升燃料电池系统功率响应速度，在电堆停止时，完成辅助供氧管路存储空气，方便下次电堆启动供氧。 【EN】The invention discloses an oxygen supply method, an oxygen supply system and a control system for a hydrogen fuel cell, wherein the oxygen supply method comprises the following steps: a. when the fuel cell enters a starting mode, an air compressor is started, air stored in the auxiliary oxygen supply pipeline is firstly input into the electric pile for supplying oxygen, the auxiliary oxygen supply pipeline is stopped for supplying oxygen after a preset time, and then the original oxygen supply pipeline is switched to input external air into the electric pile for supplying oxygen; b. when the fuel cell enters a shutdown mode, part of external air provided by the air compressor is consumed in the electric pile through the auxiliary oxygen supply loop, the other part of the external air enters the auxiliary oxygen supply pipeline for storage, and the external air is switched to the original oxygen supply pipeline for oxygen supply after the air storage is finished. The oxygen supply method of the invention utilizes the air stored in the auxiliary oxygen supply pipeline to supply oxygen when the electric pile is just started and the air compressor can not supply enough oxygen, thus improving the power response speed of the fuel cell system, finishing the air storage of the auxiliary oxygen supply pipeline when the electric pile is stopped, and being convenient for the next electric pile to start and supply oxygen.

摘要：【中文】本发明公开了一种超声设备中信号过载保护方法、存储介质及超声设备，所述方法包括按照预设采集参数采集脑血流信号；判断第一深度范围和第二深度范围是否均存在脑血流信号；当第一深度范围和第二深度范围均存在脑血流信号时，则对第二深度范围内脑血流信号的信号强度进行调整。本发明通过在第一深度范围和第二深度范围均存在储脑血流信号时，对第二深度范围的脑血流信号进行调整，可以降低采集到的脑血流信号生成的血流频谱图中的伪影信号强度，去除伪影对正常信号的干扰。 【EN】The invention discloses a signal overload protection method in ultrasonic equipment, a storage medium and the ultrasonic equipment, wherein the method comprises the steps of collecting cerebral blood flow signals according to preset collection parameters; judging whether the cerebral blood flow signals exist in the first depth range and the second depth range; and when the cerebral blood flow signals exist in the first depth range and the second depth range, adjusting the signal intensity of the cerebral blood flow signals in the second depth range. According to the method and the device, when the cerebral blood flow signals are stored in the first depth range and the second depth range, the cerebral blood flow signals in the second depth range are adjusted, so that the artifact signal strength in a blood flow frequency spectrum diagram generated by the acquired cerebral blood flow signals can be reduced, and the interference of artifacts on normal signals is removed.

摘要：【中文】本发明涉及一种在线监控和恢复燃料电池水状态的系统，它的诊断分析单元计算电堆工作电流下的单电池电压标准方差，并与单电池电压标准方差参考值进行比较；诊断分析单元计算电堆工作电流下的单电池平均电压，并与单电池平均电压参考值进行比较；诊断分析单元在t时刻增加空气流量和排氢量，并持续Δt时间，比较t‑Δt时间内的|ΔV₁/ΔI₁|和t+Δt时间内的|ΔV₂/ΔI₂|，燃料电池控制器根据诊断分析单元的以上比较结果进行对应的燃料电池水状态控制。本发明能够在线监控燃料电池的水状态，并能够通过控制系统采取措施，使得燃料电池水状态恢复正常。 【EN】The invention relates to a system for on-line monitoring and recovering the water state of a fuel cell.A diagnosis and analysis unit of the system calculates the standard variance of the single cell voltage under the working current of a cell stack and compares the standard variance with a reference value of the single cell voltage; the diagnosis and analysis unit calculates the average voltage of the single cells under the working current of the stack and compares the average voltage with a reference value of the average voltage of the single cells; the diagnosis and analysis unit increases the air flow and the hydrogen discharge at the time t and continues for the time delta t, and the | delta V in the time t-delta t is compared₁/ΔI₁Δ V in the time of | and t + Δ t₂/ΔI₂The fuel cell controller controls the water state of the fuel cell according to the comparison result of the diagnosis and analysis unit. The invention can monitor the water state of the fuel cell on line and take measures through the control system to ensure that the water state of the fuel cell is recovered to be normal.

摘要：【中文】本发明公开了一种氢燃料电池车可续航里程的计算方法及装置，分别计算氢燃料电池在当前时刻的氢气消耗速率、氢气瓶在所述当前时刻的剩余可使用氢气量、所述氢燃料电池的氢气利用率；并获取氢燃料电池车在所述当前时刻的车速；最后，根据所述氢燃料电池在当前时刻的氢气消耗速率、所述氢气瓶在所述当前时刻的剩余可使用氢气量、所述氢燃料电池的氢气利用率以及所述氢燃料电池车在所述当前时刻的车速计算所述氢燃料电池车在所述当前时刻的可续航里程。通过上述方法及装置，能准确计算出氢燃料电池车可续航里程给用户参考，使用户准确判断何时需要添加燃料。 【EN】The invention discloses a method and a device for calculating the cruising mileage of a hydrogen fuel cell vehicle, which respectively calculate the hydrogen consumption rate of the hydrogen fuel cell at the current moment, the residual available hydrogen amount of a hydrogen cylinder at the current moment and the hydrogen utilization rate of the hydrogen fuel cell; acquiring the speed of the hydrogen fuel cell vehicle at the current moment; and finally, calculating the cruising mileage of the hydrogen fuel cell vehicle at the current moment according to the hydrogen consumption rate of the hydrogen fuel cell at the current moment, the residual available hydrogen amount of the hydrogen cylinders at the current moment, the hydrogen utilization rate of the hydrogen fuel cell and the vehicle speed of the hydrogen fuel cell vehicle at the current moment. By the method and the device, the cruising mileage of the hydrogen fuel cell vehicle can be accurately calculated to be referred to a user, so that the user can accurately judge when fuel needs to be added.

摘要：【中文】本发明提供一种用于PET检查的头部固定装置，包括头罩、缓冲层以及外部机械接口。所述头罩根据头型的3D扫描数据进行3D打印制得；所述缓冲层设置在所述头罩的内侧；所述外部机械接口设置在所述头罩上；其中，所述头罩通过所述外部机械接口与外部的PET检查设备固定连接。本发明能很好地贴合头型，匹配性较好，能兼顾固定性能和舒适性的要求；且通过外部机械接口与外部的PET检查设备固定连接，在进行PET检查时，无需要检查对象长时间维持头部不动也能固定姿势，只要保证头部与外部的PET检查设备相对静止即可，操作简单，对检查对象体验和检查治疗效果也无负面影响。 【EN】The invention provides a head fixation device for PET examination, which comprises a head cover, a buffer layer and an external mechanical interface. The hood is manufactured by 3D printing according to the 3D scanning data of the head type; the buffer layer is arranged on the inner side of the head cover; the external mechanical interface is arranged on the head cover; wherein the hood is fixedly connected with an external PET examination device through the external mechanical interface. The invention can be well attached to the head shape, has better matching performance and can meet the requirements of fixing performance and comfort; and through external mechanical interface and outside PET check out equipment fixed connection, when carrying out PET inspection, need not the inspection object to maintain the head still for a long time also can the fixed posture, as long as guarantee the head with outside PET check out equipment static relatively can, easy operation also has no negative effects to inspection object experience and inspection treatment.

摘要：【中文】一种碳晶/陶瓷电热板的制备方法，涉及一种电热板的制备方法，该方法碳晶粉的制备：将碳纤维粉碎成长度1cm以下，再将碳纤维放入配比为35%二甲苯、55%的丙酮溶液、10%的二丙二醇二甲醚溶液的混合溶液中浸泡、烘干，再放入球磨机加工成碳晶粉。碳晶板的制备：将碳晶粉和KH‑570按50：1混入乙醇中，再添加助剂并用机械球摩2小时，加入固化剂后将碳晶涂层涂在陶瓷板上。将两块陶瓷板合并后装上电极。本发明配方、工艺简单有效，电热板发热速度极佳。 【EN】A preparation method of a carbon crystal/ceramic electric heating plate relates to a preparation method of an electric heating plate, and the preparation method of carbon crystal powder comprises the following steps: the carbon fiber is crushed into the length of less than 1cm, and then is put into a mixed solution of 35 percent dimethylbenzene, 55 percent acetone solution and 10 percent dipropylene glycol dimethyl ether solution for soaking and drying, and then is put into a ball mill for processing into carbon crystal powder. Preparing a carbon crystal plate: mixing carbon crystal powder and KH-570 according to the weight ratio of 50: 1, adding the auxiliary agent, using a mechanical ball to perform a 2-hour friction process, adding the curing agent, and coating the carbon crystal coating on the ceramic plate. The two ceramic plates are combined and then are provided with electrodes. The invention has simple and effective formula and process and excellent heating speed of the electric heating plate.

摘要：【中文】一种柔性碳晶电热薄膜的制备方法，涉及一种电热薄膜的制备方法，本发明将碳晶，水性聚氨酯和一种分散剂混合，制做一种柔性电热膜。首先碳晶粉的制备：将短切碳纤维原料放入按重量比配好的稀料中浸泡2h，随后放入真空干燥箱80℃烘至稀料完全挥发；将得到的物料放入行星式球磨机球磨，得到碳晶粉末；将碳晶，水性聚氨酯，分散剂按比例混合制得一种柔性碳晶电热膜。过测试电热膜发热最高温度达到75℃左右，发热均匀，厚度约0.5毫米，弯曲性好，质量轻，帖服性好等优点。本发明可应用于电暖器，理疗产品上的应用，且成本低，极具市场推广价值。 【EN】The invention discloses a preparation method of a flexible carbon crystal electric heating film, relating to a preparation method of an electric heating film. Firstly, preparing carbon crystal powder: putting the chopped carbon fiber raw material into a thinner prepared according to the weight ratio, soaking for 2 hours, and then putting the thinner into a vacuum drying oven to be dried at the temperature of 80 ℃ until the thinner is completely volatilized; putting the obtained material into a planetary ball mill for ball milling to obtain carbon crystal powder; and mixing the carbon crystal, the waterborne polyurethane and the dispersing agent in proportion to prepare the flexible carbon crystal electric heating film. The tested electrothermal film has the advantages of uniform heating, thickness of about 0.5 mm, good bending property, light weight, good adaptability and the like, and the maximum heating temperature of the electrothermal film reaches about 75 ℃. The invention can be applied to electric heaters and physical therapy products, has low cost and has great market popularization value.

摘要：本申请涉及一种塔梁墩固结体系的斜拉桥中跨合龙方法及合龙系统，包括：在两主塔上分别安装悬臂段钢梁，以形成合龙口，主塔为塔梁墩固结结构；在两悬臂段钢梁上安装第一对顶装置，利用第一对顶装置进行对顶实验确认所述合龙口的调整范围；将合龙段钢梁吊装于合龙口正下方；利用第一对顶装置执行顶推使合龙口的实际长度大于合龙段钢梁的长度；提升合龙段钢梁至合龙口，将合龙段钢梁与两悬臂段钢梁进行连接。本发明通过在合龙口两侧的悬臂段钢梁上安装第一对顶装置施加主动对顶力，迫使两侧主塔上悬臂段钢梁整体发生位移，即使合龙温度与设计温度不一致，也可抵消设计温差伸长量，合龙段钢梁无需配切，既可以缩短工期，也提高了合龙精度。

摘要：本申请提供了一种基于售电量预测的决策方法、决策装置和决策系统，该方法包括：从数据库抓取第一目标时段内的售电量、天气、日期和地区得到目标数据；依次将目标数据输入季节比例模型、BP网络模型和多元线性回归模型得到预测售电量；获取实际售电量，根据预测售电量和实际售电量计算预测售电量的可靠性评分，在可靠性评分大于或等于第一阈值的情况下，根据预测售电量确定电网供需平衡关系；根据电网供需平衡关系和预测售电量对电网售电量进行调控。该方法解决了现有技术中基于简单统计方法和线性回归模型的决策方法无法满足复杂电力系统和多变市场需求的问题。