Colorectal cancer (CRC) is one of the most common malignancies worldwide and the number of new CRC cases has been increasing rapidly since 1975. While 70% of CRC cases develop from sporadic adenomas or adenomatous polyps, early detection or surgical removal of polyps is believed to be one of the mos.....
[更多]
The major part of multimedia applications (such as video conferencing and digital TV broadcasting) is video processing due to its high encoding complexity. The objective of current advanced video standards (including H.264 and AVS) is to achieve higher coding efficiency. In order to meet the objecti.....
[更多]
Due to huge size of the raw digital video data (or image sequences), compression must be applied such data so that they may be transmitted and stored. There have been many important video compression standards, including the ISO/IEC MPEG-1, MPEG-2, MPEG-4 standards and the ITU-T H.261, H.263, H.263+.....
[更多]
In the present invention we designed and synthesized a series of water-soluble linear and cyclic pi-conjugated organic compounds (hereinafter polyenes) with different chromophores including tetraphenylethylene, siloles, fulvene, butadienes, and 4H-pyrans. The emission color of these polyenes ranges .....
[更多]
The present invention relates to a new method for the synthesis of triaroylbenzene by secondary amine and DMF-catalyzed cyclotrimerization of acetylenes. This method can be applied for the synthesis of new branched organic materials and polymers containing the triaroylbenzene moieties. The polymeriz.....
[更多]
| |< <- | [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] | -> >| |
