摘要：【中文】本发明公开了一种超声波传感装置，其包含第一壳部、第二壳部及超声波传感器。第一壳部具有第一穿孔。第一穿孔包含第一开口及第二开口。第二壳部具有第二穿孔。第二穿孔包含第三开口及第四开口。超声波传感器包含发射单元及接收单元。发射单元耦接第一开口。接收单元耦接第三开口。第二开口与第四开口中的至少一个的形状为狭长形。本发明的超声波传感装置可大幅降低超声波直接由发射单元传递至接收单元的问题。 【EN】The invention discloses an ultrasonic sensing device, which comprises a first shell part, a second shell part and an ultrasonic sensor. The first shell portion has a first through hole. The first through hole includes a first opening and a second opening. The second shell portion has a second through hole. The second through hole includes a third opening and a fourth opening. The ultrasonic sensor includes a transmitting unit and a receiving unit. The transmitting unit is coupled to the first opening. The receiving unit is coupled to the third opening. At least one of the second opening and the fourth opening has an elongated shape. The ultrasonic sensing device can greatly reduce the problem that the ultrasonic waves are directly transmitted to the receiving unit from the transmitting unit.

摘要：【中文】本发明公开了一种血清中维生素D代谢物‑25（OH）D3的提取方法及检测方法，该提取方法包括：1）使25（OH）D3从沉淀蛋白中释放出，再瞬离至少一次，从而获得含有25（OH）D3、磷脂和蛋白质的混合物样品；2）利用硅藻土萃取板至少吸附混合物样品中的磷脂和蛋白质；3）对硅藻土萃取板进行洗脱，然后压合硅藻土萃取板和收集板从而收集含有25（OH）D3的洗脱液；4）吹干收集板，并复溶维生素D；该检测方法包括将血清中维生素D代谢物‑25（OH）D3的提取方法所获的25（OH）D3的复溶液作为待检测物；将待检测物上样至液相色谱串联质谱仪检测。本发明提供的提取方法即萃取方法,可同时完成样品富集与净化，萃取率更高,能够大大提高后续检测的灵敏度。 【EN】The invention discloses an extraction method and a detection method of a vitamin D metabolite-25 (OH) D3 in serum, wherein the extraction method comprises the following steps: 1) releasing 25(OH) D3 from the precipitated protein and transiently dissociating at least once to obtain a sample mixture comprising 25(OH) D3, phospholipids and proteins; 2) adsorbing at least phospholipids and proteins in a sample of the mixture using a diatomaceous earth extraction plate; 3) eluting the diatomite extraction plate, and then pressing the diatomite extraction plate and the collection plate together to collect the eluent containing 25(OH) D3; 4) drying the collecting plate by blowing, and re-dissolving vitamin D; the detection method comprises the steps of taking a re-solution of 25(OH) D3 obtained by the extraction method of 25(OH) D3 as a to-be-detected object; and (4) loading the substance to be detected to a liquid chromatogram tandem mass spectrometer for detection. The extraction method provided by the invention can complete sample enrichment and purification at the same time, has higher extraction rate, and can greatly improve the sensitivity of subsequent detection.

摘要：【中文】本发明公开了一种血清中维生素D代谢物‑25（OH）D3的萃取方法及检测方法，该萃取方法包括：1）使25（OH）D3从沉淀蛋白中释放出，再瞬离至少一次，从而获得含有25（OH）D3、磷脂和蛋白质的混合物样品；2）利用活性炭萃取板至少吸附混合物样品中的磷脂和蛋白质；3）对活性炭萃取板进行洗脱，然后压合活性炭萃取板和收集板从而收集含有25（OH）D3的洗脱液；4）吹干收集板，并进行复溶；该检测方法包括将血清中维生素D代谢物‑25（OH）D3的萃取方法所获的25（OH）D3的复溶液作为待检测物；将待检测物上样至液相色谱串联质谱仪检测。本发明提供的萃取方法可同时完成样品富集与净化，萃取率更高,能够大大提高后续检测的灵敏度。 【EN】The invention discloses an extraction method and a detection method of a vitamin D metabolite-25 (OH) D3 in serum, wherein the extraction method comprises the following steps: 1) releasing 25(OH) D3 from the precipitated protein and transiently dissociating at least once to obtain a sample mixture comprising 25(OH) D3, phospholipids and proteins; 2) adsorbing at least phospholipid and protein in the mixture sample by using an activated carbon extraction plate; 3) eluting the activated carbon extraction plate, and then pressing the activated carbon extraction plate and the collection plate together to collect the eluent containing 25(OH) D3; 4) drying the collecting plate and redissolving; the detection method comprises the steps of taking a re-solution of 25(OH) D3 obtained by the extraction method of a vitamin D metabolite-25 (OH) D3 in serum as an object to be detected; and (4) loading the substance to be detected to a liquid chromatogram tandem mass spectrometer for detection. The extraction method provided by the invention can simultaneously complete sample enrichment and purification, has higher extraction rate, and can greatly improve the sensitivity of subsequent detection.

摘要：【中文】本发明提供了一种击穿光谱与吸收光谱组合测量系统及方法，所述系统包括激光发射机构、检测机构、信号采集机构和计算机；所述检测机构包括用于承载被测物的置物台、设于所述置物台上方的容器以及与所述容器上部相连通的抽气泵；所述激光发射机构包括第一激光发射机构和第二激光发射机构，所述信号采集机构包括第一信号采集机构和第二信号采集机构，所述第一信号采集机构包括设于置物台两侧的光纤以及与所述光纤相连的光谱仪，所述第二信号采集机构包括光电探测器、数字示波器、锁相放大器以及数据采集卡。本发明能够对气固液三态物质进行全面、准确以及高精度测量，提高了系统检测能力，保证了测量结果的可靠性。 【EN】The invention provides a breakdown spectrum and absorption spectrum combined measurement system and a method, wherein the system comprises a laser emission mechanism, a detection mechanism, a signal acquisition mechanism and a computer; the detection mechanism comprises a placing table for bearing a measured object, a container arranged above the placing table and an air suction pump communicated with the upper part of the container; the laser emission mechanism comprises a first laser emission mechanism and a second laser emission mechanism, the signal acquisition mechanism comprises a first signal acquisition mechanism and a second signal acquisition mechanism, the first signal acquisition mechanism comprises optical fibers arranged on two sides of the object placing table and a spectrometer connected with the optical fibers, and the second signal acquisition mechanism comprises a photoelectric detector, a digital oscilloscope, a phase-locked amplifier and a data acquisition card. The invention can carry out comprehensive, accurate and high-precision measurement on the gas-solid-liquid three-state substances, improves the detection capability of the system and ensures the reliability of the measurement result.

摘要：【中文】本发明公开了一种换热管与管板的连接系统及方法，该方法包括以下步骤：(1)对管板进行清洁；(2)对换热管和管板进行胀接；(3)对焊接设备进行安装调试，设定焊接参数，实施焊接。采用该换热管与管板的连接系统及方法进行换热管与管板的连接时，焊接过程稳定，自动化程度和工作效率高，焊缝成形均匀，换热管根部熔合良好，最小泄露通道技术指标能够满足产品及相关技术文件的要求。 【EN】The invention discloses a system and a method for connecting a heat exchange tube and a tube plate, wherein the method comprises the following steps: (1) cleaning the tube plate; (2) expanding and connecting the heat exchange pipe and the pipe plate; (3) and (4) installing and debugging welding equipment, setting welding parameters and carrying out welding. When the connecting system and the method for the heat exchange tube and the tube plate are used for connecting the heat exchange tube and the tube plate, the welding process is stable, the automation degree and the working efficiency are high, the welding seam is formed uniformly, the fusion of the root part of the heat exchange tube is good, and the technical index of the minimum leakage channel can meet the requirements of products and related technical documents.