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Honglei Zhang,Longzhu Li,Changhai Liu,Wenchang Wang,Penghua Liang,Naotoshi Mitsuzak,Zhidong Chen 대한금속·재료학회 2018 ELECTRONIC MATERIALS LETTERS Vol.14 No.3
This work provides a facile anodic electrodeposition method for synthesizing carbon coated α-Fe2O3 photoanode followedby annealing treatment with argon atmosphere. Compared with bare hematite photoanode, the carbon coated α-Fe2O3 photoanodesannealed at lower temperature (Fe2O3/C-L) and higher temperature (Fe2O3/C-H) have higher photocurrent densityas 0.3 and 0.5 mA cm−2 (at 1.23 V vs. RHE), respectively. The excellent PEC performance is attributed to the synergisticreaction of carbon and vacancy oxygen. The morphology and properties of the sample were characterized with scanningelectron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, UV–Vis spectra, X-raydiffractometry, X-ray photoelectron spectra, and photoelectrical measurements.
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Zixue Luo,Huaichun Zhou,Fei Wang,Rutie Liu,Wenchang Li,Gengzhou Chang 한국화학공학회 2011 Korean Journal of Chemical Engineering Vol.28 No.12
For the optimization of combustion in utility coal-fired boilers, a simple analytic model was set up to relate the radiant energy signal (RES) with the combustion rate (heat release rate) based on the heat transfer equation inside a boiler furnace. It was pointed out that as the air flow rate into the furnace changes, the highest RES corresponds to the highest efficiency, making RES a sensitive quantity for optimization of combustion in boilers. Experiments carried out in a 660 MW down- and coal-fired utility boiler confirmed the characteristics of RES as an indicator of combustion rate inside the furnace and its ability to reflect the boiler thermal efficiency varied with the air flow rate. The utilization of RES in the optimization of combustion can generally improve the boiler thermal efficiency at different unit loads,and the efficiency was raised about 1.0% especially at the rated and lower unit loads. It should be stated that except the lower unit load, the NOx emission from the boiler after optimization of combustion by RES would increase due to the limitation in supply of adequate air flow rate into the boiler, and some new combustion technologies are now available to solve the contradiction.
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Ji Fusang,Tang Lu,Yang Zhen,Li Yuanyuan,Wang Wenchang,Xu Ya,Li Shuangmei,Li Xinguo 한국식물생명공학회 2021 Plant biotechnology reports Vol.15 No.3
Salt stress severely impacts plant growth and development. Banana, a salt-sensitive plant, has been studied for decades with respect to its physiological and biochemical performances under salt stress. To understand the salinity tolerance mechanisms of banana, the RNA-seq technique is applsied to analyze the transcriptomic changes on roots treated with salt (60 mM NaCl) for 12 h and 24 h in comparison with those cultured in normal condition. Totally, 1466 and 2089 diferentially expressed genes (DEGs), including 542 up- and 924 down-regulated-; 507 up- and 1582 down-regulated genes are identifed after salt treatment at 12 h and 24 h, respectively. Functional annotation analysis indicates that a large number of genes can be involved in several aspects of salt stress response including stress signal transduction, ROS scavenging, osmoregulation and transcription factors (TFs). This study is the frst report of a comprehensive transcriptome-based gene expression profle to analyze banana response to salt stress. The outcomes of this study could facilitate further dissecting the molecular mechanism underlying salt stress response and provide a valuable platform for further genetic improvement of salt tolerance in banana breeding programs.
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