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Sep
01
How to test narcotics for rapid detection?
Police in Nanning, Guangxi, have seized a new type of drug, "milk tea", after a final urine test revealed that the so-called "milk tea" is actually benzodiazepine drugs. Due to the wide variety of drugs, lawbreakers will take advantage of the limitation of front-line inspection equipment to evade inspection. Nanning Public Security Bureau in Guangxi province, the site of the initial urine test can only detect five, is likely to allow lawbreakers to take advantage of the loophole. The variety of drugs is constantly derived, it does bring a lot of challenges to the spot inspection.
Aug
28
How to make narcotics nowhere to escape?
Can a small pill take your life? Fentanyl is too rampant. In recent years, there have always been reports of deaths due to overdose of fentanyl.
Aug
27
What is field spectrum?
The spectral feature of earth surface features is that any ground object in nature has its own law of electromagnetic radiation, such as reflection and absorption of external ultraviolet, visible light, infrared and microwave. They all have the characteristics of emitting some infrared rays and microwaves; a few ground objects also have the characteristics of transmitting electromagnetic waves, which is called the spectral characteristics of the ground objects.
Aug
26
Aug
25
What is microscope spectroscopy?
Different types of stereo or optical microscopes are combined with spectral analysis to extend the ability to detect structures and single particles to approach the limit of optical resolution. With this technology, it is possible to observe and analyze samples at a long working distance or even in three dimensions. The traditional optical microscope is equipped with a spectrometer and uses a highly stable lighting device, which can work under bright field, polarized light and fluorescence conditions in the deep ultraviolet and near infrared spectrum.
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