BEIJING, March 16 (Xinhua) -- The following is a summary of published science and technology news of China.

SATELLITE LAUNCH

China on Wednesday evening successfully sent a new experiment satellite into space from the Jiuquan Satellite Launch Center in northwest China.

The Shiyan-19 satellite was launched at 7:41 p.m. (Beijing Time) by a Long March-11 carrier rocket and entered its planned orbit successfully.

This experiment satellite will primarily be used for land resource surveys, urban planning, disaster prevention and mitigation, and other missions.

LUNAR SAMPLE DATA

China's space agency has published the online database of the 6th batch of lunar samples brought back by the Chang'e-5 probe.

Researchers and the public can access the Lunar and Deep Space Exploration Scientific Data and Sample Release System via the website www.clep.org.cn, where they can apply for data and samples, according to the China National Space Administration.

ARTIFICIAL THROAT

Chinese researchers have devised a graphene-based intelligent, wearable artificial throat (AT), sensitive to human speech and vocalization-related motions.

The AT's perception of the mixed modalities of acoustic signals and mechanical motions enables it to acquire signals with a low fundamental frequency while remaining noise resistant.

The study showed that the mixed-modality AT could detect base speech elements (phonemes, tones, and words) with an average accuracy of 99 percent. Enditem

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