Dining lampblack as a source of atmospheric pollution,urban residents had to spend a lot of economic costs all year round to solve its impact.However,traditional treatment methods often carry the risk of secondary pol...Dining lampblack as a source of atmospheric pollution,urban residents had to spend a lot of economic costs all year round to solve its impact.However,traditional treatment methods often carry the risk of secondary pollution.The use of phase change absorption solvent(PCAS)controlled by CO_(2)can effectively absorb the oily components in dining lampblack,and smoothly avoid the generation of secondary pollutants and squandering of resources.The reversibility of PCASs under CO_(2)control was explained by pH changes and macroscopic visualizations.The absorption effects of favorable absorbents and PCASs on dining lampblack were compared and analyzed.The fatty acid(FA)in the oil absorption mixture was desorbed by interacting with D230.The results of GC/MS analysis on the oil components separated by desorption showed that the desorption of PCASs was effective for these refractory oil components.FAs can be enriched and applied to the subsequent dining lampblack treatment link to realize the waste recycling.In addition,the absorption and desorption of oily components by PCASs were combined with the CO_(2)-controlled phase transformation of PCASs itself to achieve the absorption circulation of treating dining lampblack by using PCASs.展开更多
Using CO_2 as gasification agent instead of steam in in-situ coal gasification chemical looping combustion(i G-CLC)power plant can eliminate energy consumption for steam generation, thus obtaining higher system effici...Using CO_2 as gasification agent instead of steam in in-situ coal gasification chemical looping combustion(i G-CLC)power plant can eliminate energy consumption for steam generation, thus obtaining higher system efficiency. In this work, a comparative study of iG-CLC power plant using steam and CO_2 as gasification agent is concentrated on. The effects of steam to carbon ratio(S/C) and CO_2 to carbon ratio(CO_2/C) on the fuel reactor temperature,char conversion, syngas composition and CO_2 capture efficiency are separately investigated. An equilibrium carbon conversion of 88.9% is achieved in steam-based case as S/C ratio increases from 0.7 to 1.1, whereas a maximum conversion of 84.2% is obtained in CO_2-based case with CO_2/C ranging from 0.7 to 1.1. Furthermore the effects of oxygen carrier to fuel ratio(φ) on system performances are investigated. Increasing φ from 1.0 to1.4 helps to achieve char conversion from 75.9% to 88.9% in steam-based case, by contrast the char conversion can achieve 66.3%–84.2% in CO_2-based case within the same φ range. In terms of iG-CLC power plant, recycling partial CO_2 to the fuel reactor improves the overall performance. Approximately 3.9% of net power efficiency are increased in CO_2-based plant, from steam-based plant. Higher CO_2 capture efficiency and lower CO_2 emission rate are observed in CO_2-gasified iG-CLC power plant, expecting to be 90.63% and 85.18 kg·MW-1·h-1,respectively.展开更多
With morphological features resembling hepatocellular carcinoma,hepatoid adenocarcinoma of the lung(HAL)is a rare and aggressive subtype of lung cancer with a 5-year survival of only 8%.1 Most HAL patients present inc...With morphological features resembling hepatocellular carcinoma,hepatoid adenocarcinoma of the lung(HAL)is a rare and aggressive subtype of lung cancer with a 5-year survival of only 8%.1 Most HAL patients present increased serum alpha-fetoprotein(AFP)levels that are commonly related to poor prognosis.Most insights into HAL have come from case series or reports,and TP53 is frequently mutated in HAL.The heterogeneity of HAL complicates the diagnosis.With no established standard,the management of HAL is modeled on that of classical lung adenocarcinoma,although with dismal outcomes.2 Herein,we reported the effective management of a stage IIIb HAL patient with perioperative chemoimmunotherapy and curative-intent surgery.The patient remained disease-free and minimal residual disease(MRD)-negative for more than one year after surgery.展开更多
The coverability of Wireless Sensor Networks （WSNs） is essentially a Quality of Service （QoS） problem that measures how well the monitored area is covered by one or more sensor nodes. The coverability of WSNs was ...The coverability of Wireless Sensor Networks （WSNs） is essentially a Quality of Service （QoS） problem that measures how well the monitored area is covered by one or more sensor nodes. The coverability of WSNs was examined by combining existing computational geometry techniques such as the Voronoi diagram and Delaunay triangulation with graph theoretical algorithmic techniques. Three new evaluation algorithms, known as CRM （Comprehensive Risk Minimization）, TWS （Threshold Weight Shortest path） and CSM （Comprehensive Support Maximization）, were introduced to better measure the coverability. The experimental results show that the CRM and CSM algorithms perform better than the MAM （MAximize Minimum weight） and MIM （Minimize Maximum weight） algorithms, respectively. In addition, the TWS algorithm can provide a lower bound detection possibility that accurately reflects the coverability of the wireless sensor nodes. Both theoretical and experimental analyses show that the proposed CRM, TWS, and CSM algorithms have O（n2） complexity.展开更多
Objective To analyze the etiology of food poisoning,provide data support for food poisoning treatment,and protect people’s health.Methods RT-PCR was used to screen suspicious food and vomit.An enzyme-linked immunoflu...Objective To analyze the etiology of food poisoning,provide data support for food poisoning treatment,and protect people’s health.Methods RT-PCR was used to screen suspicious food and vomit.An enzyme-linked immunofluorescence assay(ELFA)was used to detect Staphylococcus aureus enterotoxin.RT-PCR was used to detect enterotoxin genotypes.An automatic drug sensitivity reading system was used for drug resistance analysis and mass spectrometry identification.Results Staphylococcus aureus were isolated from 5 leftovers and 2 vomitus samples.The enterotoxin types of 7 strains were sed and seen;the drug sensitivity test showed that 7 strains were resistant to penicillin,and 6 strains were inducible clindamycin resistant.Conclusion This is a food poisoning event caused by Staphylococcus aureus,which produces sed and sees enterotoxins.The isolated strains have different degrees of drug resistance.展开更多
基金supported by the Chengdu Science and Technology Project of the Chengdu Bureau of Science and Technology(2021-YF05-00194-SN)the Foundation of Department of Science and Technology of Sichuan Province(2022NSFSC0203)。
文摘Dining lampblack as a source of atmospheric pollution,urban residents had to spend a lot of economic costs all year round to solve its impact.However,traditional treatment methods often carry the risk of secondary pollution.The use of phase change absorption solvent(PCAS)controlled by CO_(2)can effectively absorb the oily components in dining lampblack,and smoothly avoid the generation of secondary pollutants and squandering of resources.The reversibility of PCASs under CO_(2)control was explained by pH changes and macroscopic visualizations.The absorption effects of favorable absorbents and PCASs on dining lampblack were compared and analyzed.The fatty acid(FA)in the oil absorption mixture was desorbed by interacting with D230.The results of GC/MS analysis on the oil components separated by desorption showed that the desorption of PCASs was effective for these refractory oil components.FAs can be enriched and applied to the subsequent dining lampblack treatment link to realize the waste recycling.In addition,the absorption and desorption of oily components by PCASs were combined with the CO_(2)-controlled phase transformation of PCASs itself to achieve the absorption circulation of treating dining lampblack by using PCASs.
文摘Using CO_2 as gasification agent instead of steam in in-situ coal gasification chemical looping combustion(i G-CLC)power plant can eliminate energy consumption for steam generation, thus obtaining higher system efficiency. In this work, a comparative study of iG-CLC power plant using steam and CO_2 as gasification agent is concentrated on. The effects of steam to carbon ratio(S/C) and CO_2 to carbon ratio(CO_2/C) on the fuel reactor temperature,char conversion, syngas composition and CO_2 capture efficiency are separately investigated. An equilibrium carbon conversion of 88.9% is achieved in steam-based case as S/C ratio increases from 0.7 to 1.1, whereas a maximum conversion of 84.2% is obtained in CO_2-based case with CO_2/C ranging from 0.7 to 1.1. Furthermore the effects of oxygen carrier to fuel ratio(φ) on system performances are investigated. Increasing φ from 1.0 to1.4 helps to achieve char conversion from 75.9% to 88.9% in steam-based case, by contrast the char conversion can achieve 66.3%–84.2% in CO_2-based case within the same φ range. In terms of iG-CLC power plant, recycling partial CO_2 to the fuel reactor improves the overall performance. Approximately 3.9% of net power efficiency are increased in CO_2-based plant, from steam-based plant. Higher CO_2 capture efficiency and lower CO_2 emission rate are observed in CO_2-gasified iG-CLC power plant, expecting to be 90.63% and 85.18 kg·MW-1·h-1,respectively.
文摘With morphological features resembling hepatocellular carcinoma,hepatoid adenocarcinoma of the lung(HAL)is a rare and aggressive subtype of lung cancer with a 5-year survival of only 8%.1 Most HAL patients present increased serum alpha-fetoprotein(AFP)levels that are commonly related to poor prognosis.Most insights into HAL have come from case series or reports,and TP53 is frequently mutated in HAL.The heterogeneity of HAL complicates the diagnosis.With no established standard,the management of HAL is modeled on that of classical lung adenocarcinoma,although with dismal outcomes.2 Herein,we reported the effective management of a stage IIIb HAL patient with perioperative chemoimmunotherapy and curative-intent surgery.The patient remained disease-free and minimal residual disease(MRD)-negative for more than one year after surgery.
文摘The coverability of Wireless Sensor Networks （WSNs） is essentially a Quality of Service （QoS） problem that measures how well the monitored area is covered by one or more sensor nodes. The coverability of WSNs was examined by combining existing computational geometry techniques such as the Voronoi diagram and Delaunay triangulation with graph theoretical algorithmic techniques. Three new evaluation algorithms, known as CRM （Comprehensive Risk Minimization）, TWS （Threshold Weight Shortest path） and CSM （Comprehensive Support Maximization）, were introduced to better measure the coverability. The experimental results show that the CRM and CSM algorithms perform better than the MAM （MAximize Minimum weight） and MIM （Minimize Maximum weight） algorithms, respectively. In addition, the TWS algorithm can provide a lower bound detection possibility that accurately reflects the coverability of the wireless sensor nodes. Both theoretical and experimental analyses show that the proposed CRM, TWS, and CSM algorithms have O（n2） complexity.
文摘Objective To analyze the etiology of food poisoning,provide data support for food poisoning treatment,and protect people’s health.Methods RT-PCR was used to screen suspicious food and vomit.An enzyme-linked immunofluorescence assay(ELFA)was used to detect Staphylococcus aureus enterotoxin.RT-PCR was used to detect enterotoxin genotypes.An automatic drug sensitivity reading system was used for drug resistance analysis and mass spectrometry identification.Results Staphylococcus aureus were isolated from 5 leftovers and 2 vomitus samples.The enterotoxin types of 7 strains were sed and seen;the drug sensitivity test showed that 7 strains were resistant to penicillin,and 6 strains were inducible clindamycin resistant.Conclusion This is a food poisoning event caused by Staphylococcus aureus,which produces sed and sees enterotoxins.The isolated strains have different degrees of drug resistance.
