The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness o...The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness of these m-lines observation,we assert that it is a kind of stimulated amplification of fluorescence guided-wave.展开更多
Nous savons encore peu de choses sur la place qu＇ont les femmes dansla francaise, sur leur participation aux qui ont I＇ de la France dans la . Certes quelques noms de femmes qui ont un pendant la flottent dans...Nous savons encore peu de choses sur la place qu＇ont les femmes dansla francaise, sur leur participation aux qui ont I＇ de la France dans la . Certes quelques noms de femmes qui ont un pendant la flottent dans la commune: Marie-An-toinette, Manon Rolland, Charlotte Corday etc…En les prenant pour展开更多
Se trouvant dans le sud-est de la Chine au bord dela mer, la province du Fujian s’appelle aussi toutsimplement "Min". Les anc(?)tres d’une grande partie de lapopulation de Taiwan sont venus du Fujian (Min)...Se trouvant dans le sud-est de la Chine au bord dela mer, la province du Fujian s’appelle aussi toutsimplement "Min". Les anc(?)tres d’une grande partie de lapopulation de Taiwan sont venus du Fujian (Min). Les展开更多
目的:探讨脑电地形图在脑瘤疗效判断上的应用价值。方法:通过对30例脑瘤治疗 前后脑电地形图改变进行对比研究。结果:脑电地形图在治疗前后有明显改变。结论:脑电地形图 可以作为脑瘤疗效评价的一个有价值的指标。<正>Objectif: D...目的:探讨脑电地形图在脑瘤疗效判断上的应用价值。方法:通过对30例脑瘤治疗 前后脑电地形图改变进行对比研究。结果:脑电地形图在治疗前后有明显改变。结论:脑电地形图 可以作为脑瘤疗效评价的一个有价值的指标。<正>Objectif: De explorer valeure appliq6e de encephale adas dan evaluation de effet cur atif de tumeur cerebral. Methode: Etude comparative de encephale adas de 30 malades avec tumeur cerebral avant et apr6s traitement est realise. Resultat: Encephale adas est change manifestement avant et apres traitement. Conclusion: Encephale adas est un index valable de jugement de effet curatif dans tumeur cerebral.展开更多
Dry eye disease(DED)is a major ocular pathology worldwide,causing serious ocular discomfort and even visual impairment.The incidence of DED is gradually increasing with the highfrequency use of electronic products.Alt...Dry eye disease(DED)is a major ocular pathology worldwide,causing serious ocular discomfort and even visual impairment.The incidence of DED is gradually increasing with the highfrequency use of electronic products.Although inflammation is core cause of the DED vicious cycle,reactive oxygen species(ROS)play a pivotal role in the vicious cycle by regulating inflammation from upstream.Therefore,current therapies merely targeting inflammation show the failure of DED treatment.Here,a novel dual-atom nanozymes(DAN)-based eye drops are developed.The antioxidative DAN is successfully prepared by embedding Fe and Mn bimetallic single-atoms in N-doped carbon material and modifying it with a hydrophilic polymer.The in vitro and in vivo results demonstrate the DAN is endowed with superior biological activity in scavenging excessive ROS,inhibiting NLRP3 inflammasome activation,decreasing proinflammatory cytokines expression,and suppressing cell apoptosis.Consequently,the DAN effectively alleviate ocular inflammation,promote corneal epithelial repair,recover goblet cell density and tear secretion,thus breaking the DED vicious cycle.Our findings open an avenue to make the DAN as an intervention form to DED and ROSmediated inflammatory diseases.展开更多
Long runout landslides involve a massive amount of energy and can be extremely hazardous owing to their long movement distance,high mobility and strong destructive power.Numerical methods have been widely used to pred...Long runout landslides involve a massive amount of energy and can be extremely hazardous owing to their long movement distance,high mobility and strong destructive power.Numerical methods have been widely used to predict the landslide runout but a fundamental problem remained is how to determine the reliable numerical parameters.This study proposes a framework to predict the runout of potential landslides through multi-source data collaboration and numerical analysis of historical landslide events.Specifically,for the historical landslide cases,the landslide-induced seismic signal,geophysical surveys,and possible in-situ drone/phone videos(multi-source data collaboration)can validate the numerical results in terms of landslide dynamics and deposit features and help calibrate the numerical(rheological)parameters.Subsequently,the calibrated numerical parameters can be used to numerically predict the runout of potential landslides in the region with a similar geological setting to the recorded events.Application of the runout prediction approach to the 2020 Jiashanying landslide in Guizhou,China gives reasonable results in comparison to the field observations.The numerical parameters are determined from the multi-source data collaboration analysis of a historical case in the region(2019 Shuicheng landslide).The proposed framework for landslide runout prediction can be of great utility for landslide risk assessment and disaster reduction in mountainous regions worldwide.展开更多
Hiver,2000. Quand j'étais encore écolière,j'ai appris un texte d'Alphonse Daudet :La dernière classe. Ma première impression sur le franais :C'est la plus belle langue du mo...Hiver,2000. Quand j'étais encore écolière,j'ai appris un texte d'Alphonse Daudet :La dernière classe. Ma première impression sur le franais :C'est la plus belle langue du monde. Au fur et à mesure,j'ai fait la connaissance des Champs-Elysées,du Louvre,et puis,de la Tour Eiffel. Je suis convaincue avec admiration de leur charme.展开更多
基金the National Natural Science Foundation of China,and by the National 863 High-Tech.Bond of China.
文摘The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness of these m-lines observation,we assert that it is a kind of stimulated amplification of fluorescence guided-wave.
文摘Nous savons encore peu de choses sur la place qu＇ont les femmes dansla francaise, sur leur participation aux qui ont I＇ de la France dans la . Certes quelques noms de femmes qui ont un pendant la flottent dans la commune: Marie-An-toinette, Manon Rolland, Charlotte Corday etc…En les prenant pour
文摘Se trouvant dans le sud-est de la Chine au bord dela mer, la province du Fujian s’appelle aussi toutsimplement "Min". Les anc(?)tres d’une grande partie de lapopulation de Taiwan sont venus du Fujian (Min). Les
文摘目的:探讨脑电地形图在脑瘤疗效判断上的应用价值。方法:通过对30例脑瘤治疗 前后脑电地形图改变进行对比研究。结果:脑电地形图在治疗前后有明显改变。结论:脑电地形图 可以作为脑瘤疗效评价的一个有价值的指标。<正>Objectif: De explorer valeure appliq6e de encephale adas dan evaluation de effet cur atif de tumeur cerebral. Methode: Etude comparative de encephale adas de 30 malades avec tumeur cerebral avant et apr6s traitement est realise. Resultat: Encephale adas est change manifestement avant et apres traitement. Conclusion: Encephale adas est un index valable de jugement de effet curatif dans tumeur cerebral.
基金supported by the National Natural Science Foundation of China(52173143 and 82371108)Natural Science Foundation of Henan Province(232300421176)Basic Science Key Project of Henan Eye Hospital(20JCZD002 and 23JCZD003).
文摘Dry eye disease(DED)is a major ocular pathology worldwide,causing serious ocular discomfort and even visual impairment.The incidence of DED is gradually increasing with the highfrequency use of electronic products.Although inflammation is core cause of the DED vicious cycle,reactive oxygen species(ROS)play a pivotal role in the vicious cycle by regulating inflammation from upstream.Therefore,current therapies merely targeting inflammation show the failure of DED treatment.Here,a novel dual-atom nanozymes(DAN)-based eye drops are developed.The antioxidative DAN is successfully prepared by embedding Fe and Mn bimetallic single-atoms in N-doped carbon material and modifying it with a hydrophilic polymer.The in vitro and in vivo results demonstrate the DAN is endowed with superior biological activity in scavenging excessive ROS,inhibiting NLRP3 inflammasome activation,decreasing proinflammatory cytokines expression,and suppressing cell apoptosis.Consequently,the DAN effectively alleviate ocular inflammation,promote corneal epithelial repair,recover goblet cell density and tear secretion,thus breaking the DED vicious cycle.Our findings open an avenue to make the DAN as an intervention form to DED and ROSmediated inflammatory diseases.
基金supported by the National Natural Science Foundation of China(41977215)。
文摘Long runout landslides involve a massive amount of energy and can be extremely hazardous owing to their long movement distance,high mobility and strong destructive power.Numerical methods have been widely used to predict the landslide runout but a fundamental problem remained is how to determine the reliable numerical parameters.This study proposes a framework to predict the runout of potential landslides through multi-source data collaboration and numerical analysis of historical landslide events.Specifically,for the historical landslide cases,the landslide-induced seismic signal,geophysical surveys,and possible in-situ drone/phone videos(multi-source data collaboration)can validate the numerical results in terms of landslide dynamics and deposit features and help calibrate the numerical(rheological)parameters.Subsequently,the calibrated numerical parameters can be used to numerically predict the runout of potential landslides in the region with a similar geological setting to the recorded events.Application of the runout prediction approach to the 2020 Jiashanying landslide in Guizhou,China gives reasonable results in comparison to the field observations.The numerical parameters are determined from the multi-source data collaboration analysis of a historical case in the region(2019 Shuicheng landslide).The proposed framework for landslide runout prediction can be of great utility for landslide risk assessment and disaster reduction in mountainous regions worldwide.
文摘Hiver,2000. Quand j'étais encore écolière,j'ai appris un texte d'Alphonse Daudet :La dernière classe. Ma première impression sur le franais :C'est la plus belle langue du monde. Au fur et à mesure,j'ai fait la connaissance des Champs-Elysées,du Louvre,et puis,de la Tour Eiffel. Je suis convaincue avec admiration de leur charme.
