Zobrazeno 1 - 10
of 85
pro vyhledávání: '"Daming, Ren"'
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 292-298 (2019)
The development of new or modified cementitious materials is an important part of existing strategies to improve performance and minimize life-cycle costs and to eliminate the CO2's impact on durability. The high anion exchange capacity of layered do
Externí odkaz:
https://doaj.org/article/a282d4a7462c4c31894ee7c235907c4a
Publikováno v:
Angewandte Chemie. 133:25252-25258
While limited choice of emissive organic linkers with systematic emission tunability presents a great challenge to investigate energy transfer (ET) over the whole visible light range with designable directions, luminescent metal-organic frameworks (L
Autor:
Hai-Lun Xia, Kang Zhou, Shenjie Wu, Daming Ren, Kai Xing, Jiandong Guo, Xiaotai Wang, Xiao-Yuan Liu, Jing Li
Publikováno v:
Chemical science. 13(27)
Luminescent metal-organic frameworks (LMOFs) have been extensively studied for their potential applications in lighting, sensing and biomedicine-related areas due to their high porosity, unlimited structure and composition tunability. However, method
Publikováno v:
Frontiers of Information Technology & Electronic Engineering. 22:251-261
A 0.20–2.43 GHz fractional-N frequency synthesizer is presented for multi-band wireless communication systems, in which the scheme adopts low phase noise voltage-controlled oscillators (VCOs) and a charge pump (CP) with reduced current mismatch. VC
Publikováno v:
International Journal of Electronics. 107:1808-1821
A wideband voltage-controlled oscillator (VCO) with coupling reduction and small VCO gain ( K v c o ) variation has been fabricated for multi-standard RF transceivers. A high-quality factor 8-shape...
Publikováno v:
IEEE Microwave and Wireless Components Letters. 29:718-721
Derivative superposition technique (DST) is a common linearization technology for designing driver power amplifier (DPA). However, the performance of DST is sensitive to frequency variation. This letter presents a method to improve the 1-dB bandwidth
Autor:
Wei Zou, Haotian Chen, Daming Ren, Xinyu Zhang, Li Zhang, Zhengwang Cheng, Xinguo Ma, Chuyun Huang, Xuecheng Zou
Publikováno v:
IEICE Electronics Express. 19:20220402-20220402
Publikováno v:
2021 5th IEEE Electron Devices Technology & Manufacturing Conference (EDTM).
The quality factor of the inductor in the matching network, which is one of the keys to realize a broadband PA, needs to be decreased for expanding the bandwidth. The paper presents multilayer inductors, which have low quality factor and can tolerate
Publikováno v:
Materials Letters. 239:192-195
In this work, novel geopolymer-alginate-chitosan composites were synthesized from metakaolin geopolymer and mixtures of sodium alginate solution and chitosan for direct removal of Pb from wastewater. The results show that the equilibrium adsorption c
Publikováno v:
Journal of Materials Research and Technology, Vol 8, Iss 1, Pp 292-298 (2019)
The development of new or modified cementitious materials is an important part of existing strategies to improve performance and minimize life-cycle costs and to eliminate the CO2's impact on durability. The high anion exchange capacity of layered do