Abstract: An ultra-high-speed fully automatic precision spectral analysis system for rare earth metals and its working method is disclosed. The system includes a central control server, a precision numerical control rotary table communicatively connected with the central control server, a sample loading-clamping device, an automatic weighing device, an automatic ranging device, an analyzing surface machining device, a rare-earth spark emission spectrometer, and an automatic marking device; the sample loading-clamping device is arranged to fix a test sample of a rare earth metal, the automatic weighing device is arranged to weigh the test sample in real time, and the automatic ranging device, the analyzing surface machining device, the rare-earth spark emission spectrometer, and the automatic marking device are set up around the precision numerical control rotary table to perform the corresponding work processes respectively.

Abstract: An ultra-high-speed fully automatic precision spectral analysis system for rare earth metals and its working method is disclosed. The system includes a central control server, a precision numerical control rotary table communicatively connected with the central control server, a sample loading-clamping device, an automatic weighing device, an automatic ranging device, an analyzing surface machining device, a rare-earth spark emission spectrometer, and an automatic marking device; the sample loading-clamping device is arranged to fix a test sample of a rare earth metal, the automatic weighing device is arranged to weigh the test sample in real time, and the automatic ranging device, the analyzing surface machining device, the rare-earth spark emission spectrometer, and the automatic marking device are set up around the precision numerical control rotary table to perform the corresponding work processes respectively.

Abstract: The present invention discloses a combined oxygen, nitrogen and hydrogen joint determination device and method based on thermal conductivity-infrared technique. In the device, a melting and extraction system comprises a carrier gas introduction pipeline, a chamber valve, an impulse furnace and a dust filter; an analytical gas transmission system comprises a flush valve, a bypass valve, a mass flowmeter and a first switching valve; a signal detection system comprises an infrared cell, an analysis purification reagent tube and a thermal conductivity cell; and a signal analysis system comprises a controller and a processor. The present invention realizes different joint determination modes by switching different gas paths, which can meet different determination requirements of different users.

Abstract: This invention is in the field of antibody-directed enzyme prodrug therapy (ADEPT). More particularly, the invention relates to a kit comprising an anti-human ?-seminoprotein single-chain antibody (?-Sm scFv)/human carboxypeptidase A(hCPA) fusion protein and a prodrug which is a methotrexate-?-peptide. The kit is useful in prostate cancer treatment with the ADEPT. The invention also relates to an anti-?-seminoprotein single-chain antibody (?-Sm scFv)/human carboxypeptidase (hCPA) fusion protein.