摘要：本发明公开了一种高效、快速分离制备大黄酸衍生物的方法，将待分离混合物加入高速逆流色谱进行分离，分别得到大黄酸、1‑乙酰大黄酸、8‑乙酰大黄酸和双醋瑞因的流份，再经过减压浓缩、干燥得到大黄酸、1‑乙酰大黄酸、8‑乙酰大黄酸和双醋瑞因单体；所述的高速逆流色谱采用的溶剂体系为烃类溶剂‑酯类溶剂‑醇类溶剂‑水‑有机酸体系。该方法可以有效地分离大黄酸、1‑乙酰大黄酸、8‑乙酰大黄酸和双醋瑞因这几种难以分离的单体，具有高效提纯，大制备量，低使用成本，易工艺放大，高回收率等独特优势。

摘要：【中文】本发明公开了一种水利工程震动夯，其结构包括夯实板、扶手、电机、工作箱、移动装置，夯实板顶部与工作箱底部焊机在一起，工作箱顶部安装有电机，工作箱侧面连接有扶手，工作箱的两侧安装有移动装置，移动装置包括前进装置、支撑装置，前进装置、支撑装置均设有2个并对称安装在工作箱两侧，前进装置包括主转轮、皮带、副转轮、推进杆，主转轮与副转轮位于同一水平线上且两者通过皮带传动连接，本发明的有益效果是：通过可升降并左右移动的支撑板与旋转的推进杆配合，能够将设备抬起前进，与现有采用摩擦的方式不同，本发明采用支撑板支撑在地面再进行抬升前进的工作进行前进，避免打滑现象的发生。 【EN】The invention discloses a hydraulic engineering vibration rammer, which structurally comprises a ramming plate, handrails, a motor, a working box and a moving device, wherein the top of the ramming plate is welded with the bottom of the working box, the motor is installed at the top of the working box, the handrails are connected to the side surface of the working box, the moving device is installed on two sides of the working box and comprises a forwarding device and a supporting device, the forwarding device and the supporting device are respectively provided with 2 devices and symmetrically installed on two sides of the working box, the forwarding device comprises a main rotating wheel, a belt, an auxiliary rotating wheel and a pushing rod, the main rotating wheel and the auxiliary rotating wheel are positioned on the same horizontal line and are in transmission connection through the belt, and the hydraulic engineering vibration rammer has: the lifting and moving forward device has the advantages that the supporting plate which can be lifted and moved left and right is matched with the rotating pushing rod, so that the device can be lifted and moved forward, and the device is different from the conventional friction mode.

摘要：【中文】本发明公开了一种智能水利工程水深测量装置，包括支撑板、移动板、操作台、顶板、推动箱和连接板，操作台固定安装在底座顶端，操作台顶端中心固定连接有液压杆，操作台顶端开设有第一凹槽，顶板底端固定连接在液压杆顶端，顶板底端四周固定连接有支撑杆，支撑杆底端贯穿第一凹槽并延伸至第一凹槽内部与限位板固定连接，第一螺纹杆上活动铰接有第二螺纹杆，推动箱在偏离转杆的一端中心开设有通孔，该智能水利工程水深测量装置，通过设置移动板、第一螺纹杆、第二螺纹杆、连接板和推动箱可以调节移动板的位置，利用螺纹杆转动从而推动连接板和移动板移动，达到便于便于调节的效果，解决了现有测量装置不便于调节的问题。 【EN】The invention discloses an intelligent hydraulic engineering water depth measuring device, which comprises a supporting plate, a movable plate, an operating platform, a top plate, a pushing box and a connecting plate, wherein the operating platform is fixedly arranged at the top end of a base, a hydraulic rod is fixedly connected at the center of the top end of the operating platform, a first groove is formed in the top end of the operating platform, the bottom end of the top plate is fixedly connected to the top end of the hydraulic rod, supporting rods are fixedly connected to the periphery of the bottom end of the top plate, the bottom end of each supporting rod penetrates through the first groove and extends into the first groove to be fixedly connected with a limiting plate, a second threaded rod is movably hinged to the first threaded rod, the pushing box is provided with a through hole at the center of one end deviating from a rotating rod, the position of the movable plate, the first threaded rod, the second, reach the effect of being convenient for adjust, solved the problem that current measuring device is not convenient for adjust.

摘要：【中文】本发明公开了一种水利工程施工地用降尘机，包括机箱、供水箱，所述机箱内壁分别开设有左滑槽、右滑槽，所述左滑槽内壁与连接板左端接触，所述连接板顶部与转轴底部固定连接，所述供水箱内部安装有水泵，所述水泵供水口与第一L型输水管一端连通设置，所述第一L型输水管另一端与软管右端连通设置，所述软管的左端与第二L型输水管的一端连通设置，所述第二L型输水管外壁与连接杆顶部固定连接，所述连接杆底部与滑块顶部固定连接，所述滑块背面与液压气缸正面固定连接。该水利工程施工地用降尘机，通过启动驱动电机使转轴向上运动，从而使供水箱向上运动，通过液压气缸使滑块运动，从而达到多个角度降尘的目的。 【EN】The invention discloses a dust-settling machine for a hydraulic engineering construction site, which comprises a case and a water supply tank, wherein the inner wall of the case is respectively provided with a left chute and a right chute, the inner wall of the left chute is contacted with the left end of a connecting plate, the top of the connecting plate is fixedly connected with the bottom of a rotating shaft, a water pump is arranged in the water supply tank, a water supply port of the water pump is communicated with one end of a first L-shaped water pipe, the other end of the first L-shaped water pipe is communicated with the right end of a hose, the left end of the hose is communicated with one end of a second L-shaped water pipe, the outer wall of the second L-shaped water pipe is fixedly connected with the top of a connecting rod, the bottom of the connecting rod is fixedly connected with the top of. This dust fall machine for hydraulic engineering construction site makes pivot upward movement through starting driving motor to make the feed tank upward movement, make the slider motion through hydraulic cylinder, thereby reach the purpose of a plurality of angles dust fall.

摘要：本发明公开一种注射用生脉冻干粉及其制备方法，是对现有的生脉注射液剂型的改进，以红参、麦冬和五味子为主要原料，可采用以下任一方法制备：将三种原料分别提取；将三种原料合并提取；将红参和五味子合并提取、麦冬单独提取。三种方法均采用水提法提取，沉淀剂除杂质，用大孔吸附树脂精制和脱色，再经过滤、精制；将1～3方法所得的精制提取物分别合并，分别配成溶液，经精制、分装、低温冷冻干燥得注射用生脉冻干粉。注射用生脉冻干粉含人参总皂苷和麦冬总皂苷的总和为85％以上。该品具有有效成分纯度高、疗效好、稳定性好、运输储存方便等优点。

摘要：本发明提供一种治疗冠心病心绞痛的七参麦中药制剂及其制备方法，并提供了一种七参麦注射液，将麦冬、三七、西洋参或西洋参叶按比例合并或分别用水煎煮提取，用乙醇沉淀除杂质。经大孔树脂柱精制，再用乙醇洗脱，收集洗脱液，过滤，制成注射液，可采用静脉滴注或静脉推注或肌注，具有疗效显著、可靠安全、使用方便等特点；可制成药剂学上的冻干粉针剂、片剂、颗粒剂、滴丸、冲剂、液体制剂、粉末剂、丸剂、胶囊剂和悬浮剂，以及适于局部给药的喷雾剂、气雾剂等固体剂型。本药物具有益气养阴，通脉开痹的功能，用于治疗冠心病心绞痛气阴两虚证，证见胸痛、心悸、心烦、乏力、气短、潮热、失眠、肢体麻木等症。

摘要：本发明涉及一种海胆提取物，其特征是主要含有下述式(1)表示的具有5α，8α-双氧环基团的化合物，并从白棘三列海胆Tripneustes gratilla动物中分离得到。本发明还涉及该提取物的制备方法以及它在治疗癌症中的应用。本发明的提取物经实验证明有中等的细胞毒性，对HeLa宫颈癌细胞、SGC-7901胃癌细胞、HepG2肝癌细胞细胞株产生抑制，其IC₅₀值均在60-90μg/mL左右，显示其对癌细胞具有较明确的生长抑制作用，对正常细胞LO2的IC₅₀值为215μg/ml，表明在安全剂量范围内，有抗肿瘤活性。

摘要：本发明涉及一种油气田站场的控制系统和方法。根据本发明的控制系统包括：控制终端和多个采集端，其中，多个采集端中的任一采集端采集油气田站场设备的工作参数，并将工作参数通过无线网络直接或经由中间路由发送至控制终端，其中，中间路由包括多个采集端中的其他任意一个或多个采集端；以及控制终端根据工作参数生成控制信号，以及将控制信号通过无线网络直接或经由中间路由发送至任一采集端。通过本发明，油气田站场现场设备与控制终端采用无线通信，减少了材料成本，方便人力维护，并且，在通信过程中，多个采集端既可作为终端直接与控制终端通信，也可作为中间路由，保证了无线通信的可靠性。

摘要：本发明公开一种POS机电源及POS机，该POS机电源包括交流电源输入接口、功率因素校正单元、主控板及显示器电源单元和打印机电源单元，交流电源输入接口经功率因素校正单元与主控板及显示器电源单元和打印机电源单元连接，主控板及显示器电源单元的输出端与POS机主控板和POS机显示器连接，为POS机主控板和POS机显示器供电，打印机电源单元的输出端与POS机打印机连接，为POS机打印机供电。本发明通过将交流电源输入接口、功率因素校正单元、主控板及显示器电源单元及打印机电源单元设于同一块PCB电路板上，形成一个三合一的电源，减小了POS机电源的安装空间，降低了成本。

摘要：一种低品位铜冶炼优质阳极板低成本装备的节能方法，属于铜加工技术领域。现有含竖炉的技术装备不能冶炼低品位铜。本发明方法控制竖炉燃烧器形成循环高温燃气流，控制循环高温燃气流的温度、加盖保温溜槽的温度，控制竖炉、氧化炉、还原炉的燃气性质、烟尘流动方式、铜熔液的流动方式，实现低品位铜原料低成本装备连续节能冶炼成优质阳极板，减轻电解阳极板的工艺的压力和节省电解阳极板的成本。