Current large vocabulary continuous speech recognition (LVCSR) technology aims at transferring real-world speech to sentence. However, due to data scarcity, it is almost impossible to find a sufficiently direct conversion between speech and sentence and the conversion is divided into three parts (Fig. 1). They are speech feature vectors and sub-words (phones for example) described by Acoustic Models (AMs), words and sentence described by Language Model (LM), and sub-words and words described by a lexicon.
A research group led by Prof WANG Liping at Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences used an optogenetic tool to investigate the effects of specific activation of individual astrocyte populations on the DA differentiation of stem cells and the underlying mechanisms, found that the light-activated astrocytes upregulated the synthesis of bFGF in a tissue-specific manner and significantly promoted the DA differentiation of the hESCs.
Two recent papers, one is in Earth-Science Reviews and the other is in Chinese Science Bulletin, have studied key chemical contents in micro-drilled giant clams shells and coral samples to demonstrate that in the South China Sea the warm period of the Middle Ages was warmer than the present.
The reduced population during the CNY holiday in the urban area of Harbin City leads to less human activities, which result in less anthropogenic heat emissions and also affect other processes, thus significantly reducing the UHI effects. The findings identify previously unknown impacts of modern mass human migration on the UHI effects.
Surface acoustic wave (SAW) devices, as one-dimensional phononic crystals (PCs), have obtained much attention for many years in applications of resonators, filters and sensors. Much effort has been done to calculate the parameters such as reflection and velocity for designing SAW devices.
Nitrogen oxides (NOx), a significant portion of fossil fuel flue gases, are among the most serious environmental issues in the world. The NOx need to be eliminated before emitting to the atmosphere, but physico-chemical deNOx methods, which are the conventional NOx treatments, are expensive and produce secondary wastes that often require further treatment. Researchers from the research group of Algal Biochemistry at Institute of Hydrobiology (IHB) of Chinese Academy of Sciences evaluated the feasibility of microalgae used for Biological DeNOx of Industrial Flue Gases. It is appropriate to evaluate the application of Chlorella sp. C2 for biological denox of industrial flue gases by using actual flue gas fixed salts for the cultivation of algal cells.
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