Human immunodeficiency virus(HIV)infection is strongly associated with a height-ened incidence of lymphomas.To mirror the natural course of human HIV infection,animal models have been developed.These models serve as v...Human immunodeficiency virus(HIV)infection is strongly associated with a height-ened incidence of lymphomas.To mirror the natural course of human HIV infection,animal models have been developed.These models serve as valuable tools to inves-tigate disease pathobiology,assess antiretroviral and immunomodulatory drugs,ex-plore viral reservoirs,and develop eradication strategies.However,there are currently no validated in vivo models of HIV-associated lymphoma(HAL),hampering progress in this crucial domain,and scant attention has been given to developing animal models dedicated to studying HAL,despite their pivotal role in advancing knowledge.This re-view provides a comprehensive overview of the existing animal models of HAL,which may enhance our understanding of the underlying pathogenesis and approaches for malignancies linked to HIV infection.展开更多
This study presents a novel fractional order grey model FGM(α,1)obtained by extending the grey model(GM(1,1)).For this,we generalize the whitenization first-order differential equation to fractional order by using th...This study presents a novel fractional order grey model FGM(α,1)obtained by extending the grey model(GM(1,1)).For this,we generalize the whitenization first-order differential equation to fractional order by using the Caputo fractional derivative of orderα.A real-world case study,scrutinize the economic growth influence on environmental degradation in Turkey,is performed to evaluate the significance of the projected model FGM(α,1)in contrast to the current classical GM.We apply autoregressive distributed lags bounds testing co-integration approach to empirically examine the long-run and shortrun relation among economic growth,agriculture,forestry and fishing(AFF),electricity utilization and CO_(2)emissions.Using the new fractional order model,all the variables are forecasted in the forthcoming years until 2030.Findings disclose that electricity utilization and economic growth(GDP)accelerate emission of CO_(2) though in the long run agriculture,forestry,and fishing reduce the environmental pollution in Turkey.展开更多
Modified starch was better suitable for food processing,and fermentation was one of the effective methods to modify starch.This study investigated the separate and synergistic fermentation of Lactiplantibacillus plant...Modified starch was better suitable for food processing,and fermentation was one of the effective methods to modify starch.This study investigated the separate and synergistic fermentation of Lactiplantibacillus plantarum and Saccharomyces cerevisiae could whether affect the multi-scale structure and physicochemical properties of highland barley starch(HBS).The results of multi-scale structure determination of HBS showed that compared with unfermented HBS(32.27%),fermentation showed a significant increase in relative crystallinity(35.49-39.81%),while the crystal type of HBS as observed from X-ray diffraction(A-type crystalline pattern)did not change.The small angle X-ray scattering revealed that fermentation reduced the amorphous region and increased the crystalline layer thickness of the HBS.Consequently,the changes in the physicochemical properties showed that the peak viscosity,trough viscosity,and final viscosity of HBS were reduced after fermentation,and the aging of starch gel was delayed significantly.Our results showed that Lactiplantibacillus plantarum and Saccharomyces cerevisiae fermentations improve the physicochemical properties of HBS by modifying the multi-scale structure of starch,especially the synergistic fermentation effect was more effective.展开更多
Currently,water injection is widely used for oil field developments.For reservoirs with complex geological structures,large stratigraphic dip angles,low porosities and extra-low permeabilities,the effect of water inje...Currently,water injection is widely used for oil field developments.For reservoirs with complex geological structures,large stratigraphic dip angles,low porosities and extra-low permeabilities,the effect of water injection is not satisfying.This paper establishes a modified radial flow formula on the dip angle,and uses the plane radial seepage theory to get formation pressure distributions and a production formula in tilted strata.For injectors with their threshold pressures greater than their formation in-situ pressures,the effective radius for waterflooding is derived for a given injection pressure and then it is used to evaluate waterflooding effect and well pattern suitability,and guide the oilfield production.This method can also be applied to other waterflooding oilfields with similar geological conditions.展开更多
基金Chongqing Professional Talents Plan,Grant/Award Number:cstc2022ycjh-bgzxm0048Fundamental Research Funds for the Central Universities,Grant/Award Number:2022CDJYGRH-001Natural Science Foundation of Chongqing,China,Grant/Award Number:CSTB2022NSCQ-MSX1150。
文摘Human immunodeficiency virus(HIV)infection is strongly associated with a height-ened incidence of lymphomas.To mirror the natural course of human HIV infection,animal models have been developed.These models serve as valuable tools to inves-tigate disease pathobiology,assess antiretroviral and immunomodulatory drugs,ex-plore viral reservoirs,and develop eradication strategies.However,there are currently no validated in vivo models of HIV-associated lymphoma(HAL),hampering progress in this crucial domain,and scant attention has been given to developing animal models dedicated to studying HAL,despite their pivotal role in advancing knowledge.This re-view provides a comprehensive overview of the existing animal models of HAL,which may enhance our understanding of the underlying pathogenesis and approaches for malignancies linked to HIV infection.
文摘This study presents a novel fractional order grey model FGM(α,1)obtained by extending the grey model(GM(1,1)).For this,we generalize the whitenization first-order differential equation to fractional order by using the Caputo fractional derivative of orderα.A real-world case study,scrutinize the economic growth influence on environmental degradation in Turkey,is performed to evaluate the significance of the projected model FGM(α,1)in contrast to the current classical GM.We apply autoregressive distributed lags bounds testing co-integration approach to empirically examine the long-run and shortrun relation among economic growth,agriculture,forestry and fishing(AFF),electricity utilization and CO_(2)emissions.Using the new fractional order model,all the variables are forecasted in the forthcoming years until 2030.Findings disclose that electricity utilization and economic growth(GDP)accelerate emission of CO_(2) though in the long run agriculture,forestry,and fishing reduce the environmental pollution in Turkey.
基金This research was supported by funding from the Shaanxi Provincial Science and Technology Innovation Team(2022TD-15).
文摘Modified starch was better suitable for food processing,and fermentation was one of the effective methods to modify starch.This study investigated the separate and synergistic fermentation of Lactiplantibacillus plantarum and Saccharomyces cerevisiae could whether affect the multi-scale structure and physicochemical properties of highland barley starch(HBS).The results of multi-scale structure determination of HBS showed that compared with unfermented HBS(32.27%),fermentation showed a significant increase in relative crystallinity(35.49-39.81%),while the crystal type of HBS as observed from X-ray diffraction(A-type crystalline pattern)did not change.The small angle X-ray scattering revealed that fermentation reduced the amorphous region and increased the crystalline layer thickness of the HBS.Consequently,the changes in the physicochemical properties showed that the peak viscosity,trough viscosity,and final viscosity of HBS were reduced after fermentation,and the aging of starch gel was delayed significantly.Our results showed that Lactiplantibacillus plantarum and Saccharomyces cerevisiae fermentations improve the physicochemical properties of HBS by modifying the multi-scale structure of starch,especially the synergistic fermentation effect was more effective.
基金This work has been funded by the national science and technology major projects:New Technology for High Efficiency Development of OffshoreHeavy Oil(serial number:2011ZX05024-004the Comprehensive research of limited company:Research on The Chemical Flooding Technology of Multi-layer Heavy Oil Reservoir(serial number:YXKY-2014-ZY-03).
文摘Currently,water injection is widely used for oil field developments.For reservoirs with complex geological structures,large stratigraphic dip angles,low porosities and extra-low permeabilities,the effect of water injection is not satisfying.This paper establishes a modified radial flow formula on the dip angle,and uses the plane radial seepage theory to get formation pressure distributions and a production formula in tilted strata.For injectors with their threshold pressures greater than their formation in-situ pressures,the effective radius for waterflooding is derived for a given injection pressure and then it is used to evaluate waterflooding effect and well pattern suitability,and guide the oilfield production.This method can also be applied to other waterflooding oilfields with similar geological conditions.
