Demonstrations and protests caused by the death of violent law enforcement by black American police are still escalating. According to the latest news from CNN, the four police officers involved are currently detained.
According to reports, at present, all former Minneapolis police officers charged with Freud’s death have now been detained.
According to reports, on the 3rd local time, the police officers Thomas Lane and Tou Thao were sent to the Hennepin County Prison at about 17:00 that day. The lawyer of the police involved, Alexander Kueng, told CNN that the former had surrendered himself earlier that afternoon. “Kneeling” Freud’s former policeman Derek Shaowen was charged with second-degree murder and has been detained since last week. The report said that the bail money of the four police officers involved was $1 million.
What are the advantages and disadvantages of using gadolinium oxysulfide and cesium iodide in X-ray flat panel imaging technology?
X-ray flat panel detectors have different imaging principles for the two materials. Cesium iodide is a semiconductor material that can generate electron-hole pairs under the action of x-rays. Then these carriers will be collected by TFT capacitors under applied bias, and then different The amount of electricity in the pixel capacitor corresponds to the dose of transmitted radiation; gadolinium oxysulfide is a scintillator material that generates fluorescence under the action of x-rays. The fluorescence is collected by a photodiode to generate an electrical signal, which is also read by the TFT later. For a deeper understanding of flat panel detectors, please call +86 15628738108.
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