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3篇 您的检索式:作者名="ZHU Chunwei"
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1Improvement of part-load performance of gas turbine by adjusting compressor inlet air temperature and IGV opening显示文摘A novel adjusting method for improving gas turbine(GT)efficiency and surge margin(SM)under partload conditions is proposed.This method adopts the inlet air heating technology,which uses the waste heat of lowgrade heat source and the inlet guide vane(IGV)opening adjustment.Moreover,the regulation rules of the compressor inlet air temperature and the IGV opening are studied comprehensively to optimize GT performance.A model and calculation method for an equilibrium running line is adopted based on the characteristic curves of the compressor and turbine.The equilibrium running lines calculated through the calculation method involve three part-load conditions and three IGVopenings with different inlet air temperatures.The results show that there is an optimal matching relationship between IGV opening and inlet air temperature.For the best GT performance of a given load,the IGV could be adjusted according to inlet air temperature.In addition,inlet air heating has a considerable potential for the improvement of part-load performance of GT due to the increase in compressor efficiency,combustion efficiency,and turbine efficiency as well as turbine inlet temperature,when inlet air temperature is lower than the optimal value with different IGV openings.Further,when the IGV is in a full opening state and an optimal inlet air temperature is achieved by using the inlet air heating technology,GT efficiency and SM can be obviously higher than other IGVopenings.The IGV can be left unadjusted,even when the load is as low as 50%.These findings indicate that inlet air heating has a great potential to replace the IGV to regulate load because GT efficiency and SM can be remarkably improved,which is different from the traditional viewpoints.Wei ZHU Xiaodong REN Xuesong LI Chunwei GU Zhitan LIU Zhiyuan YAN Hongfei ZHU Tao ZHANG 2022Frontiers in Energy2022,16,6:1
2Turnover mechanisms of organic conformation on turbidity in drinking water显示文摘The turbidity variation in artificial water and samples from a water plant was investigated in the presence of organics with different relative molecular mass.The results show that recessive turbidity existed when water chemical conditions were changing.The formation of turbidity depen-ded on organic relative molecular mass and their conforma-tions on particles.At higher pH and lower ionic strength,the organic chains with a more extended conformation resulted in rising turbidity of the suspension.At lower pH,the reconfor-mation of organics took place due to charge neutralization by the proton,resulting in a decline in turbidity.The addition of NaCl and MgCl_(2) at pH 7.00 also resulted in a decrease of turbidity in the suspension.It is believed that the occurrence of recessive turbidity has a significant influence on the stability of water supply quality.ZHONG Runsheng ZHU Chunwei ZHANG Xihui GUAN Yuntao 2007Frontiers of Environmental Science & Engineering2007,1,3:1
3High-throughput sequencing detection and ensartinib treatment of lung cancer harboring NTRK1 fusion显示文摘Dear Editor,Although fusion events involving neurotrophic receptor tyrosine kinase 1,2,and 3 genes(NTRK1,NTRK2,and NTRK3,encoding TRKA/B/C respectively)were found in diverse tumor types,only 0.1%-0.3%of lung cancer patients harbor an NTRK(and mostly NTRK1)fusion as the primary oncogenic event[1].Such low prevalence may be partially due to the limited availability of first-line assays for detecting rare fusion events[2].Immunohistochemistry is limited by sensitivity and variable tissue background,and fluorescence in-situ hybridization falls short of elucidating functional significance such as the identity of the partner or structure of the transcript.While DNA next-generation sequencing(NGS)is suitable for mutation calling(single nucleotide variation[SNV]and insertion-or-deletion[indel]),and RNA NGS is particularly effective in detecting fusions[3],routinely performing these two assays together is labor-intensive.As a solution,we have developed a single NGS assay(PANO-Seq)for unified RNA/DNA target enrichment library preparation[4],which takes about 12 hours and $10 to prepare.Zhengbo Song Chunwei Xu Xingxiang Pu Youcai Zhu Wenxian Wang Xingliang Li Yanqiu Gao Wenliang Zhu Yunwei He Lin Wu Li Mao Li Chen Ming Chen 2021Cancer Communications2021,41,2:0
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