The Generalized Riemann Problem for Chaplygin Gas with Combustion

We study the generalized Riemann problem of the Chapman-Jouguet model for an ideal combustible Chaplygin gas. By analyzing the wave curves in the phase plane, we construct uniquely the solution of the generalized Riemann problem under the global entropy conditions. We find that although there is no combustion wave of the corresponding Riemann solution, the combustion wave may occur after perturbation which reveals the instability of the unburnt gas.

Successful eight-year survival of unresectable lung adenocarcinoma with bronchial artery infusion chemotherapy:A case report

A case report of eight year complete remission post bronchial artery infusion(BAI)chemotherapy(Pimetrazine and cisplatin)for unresectable lung adenocarcinoma.

Combined development of traditional Chinese medicine and interventional medicine

The combination of Traditional Chinese Medicine and Interventional Radiology has an excellent clinical effect.This paper reviews the principles and methods of the combined application of Traditional Chinese Medicine and Interventional Radiology,aiming to promote the complementary and coordinated development of Traditional Chinese Medicine and Interventional Radiology.

Investigation on Diseases and Pests of Grape Under Rain Shelter Cultivation in Shandong Province

In order to make clear the effects of rain shelter cultivation on the incidence of diseases and pests of grape in Shandong Province,with Summer Black as the material,the diseases and pests of grape under rain shelter cultivation and open field cultivation in Tai'an and Jining were investigated.The results showed that under the rain shelter cultivation condition,the phenological period of grape delayed 5-8 d.The types of grape diseases and pests under the rain shelter cultivation were the same as those in the open filed cultivation.The most serious pests were Apolygus lucorum,followed by Lycorma delicatula,Erythreura apicalis and Thrips tabaci.The most serious leaf disease was downy mildew,and the most serious disease of grape berries was grape sour rot.Compared with the open field cultivation,the rain shelter cultivation could effectively reduce the incidence of pests and diseases in grape leaves and fruit.At the end of May 2018 and 2019,the occurrence rate of grape pests under the rain shelter cultivation in Tai'an reduced by 57.69%and 60.47%,respectively,and those in Jining reduced by 72.22%and 62.50%,respectively.In the middle of July of 2018 and 2019,the incidence of grape fruit diseases under the rain shelter cultivation in Tai'an reduced by 62.49%and 50.07%,respectively,and that in Jining reduced by 49.96%and 100%,respectively.

Elementary Wave Interactions for the Simplified Combustion Model in Magnetogasdynamics

We investigate the elementary wave interactions for the simplified combustion model in magnetogasdynamics. Under the modified entropy conditions, we construct the unique solution and observe some interesting phenomena;such as, the combustion wave may be extinguished by the contact discontinuity or the shock wave. Especially, the transition between the detonation wave and the deflagration wave is also captured.

Wave Interactions of the Aw-Rascle Model for Generalized Chaplygin Gas

In this paper, we investigate the elementary wave interactions of the Aw-Rascle model for the generalized Chaplygin gas. We construct the unique solution by the characteristic analysis method and obtain the stability of the corresponding Riemann solutions under such small perturbations on the initial values. We find that the elementary wave interactions have a much more simple structure for Temple class than general systems of conservation laws. It is important to study the elementary waves interactions of the traffic flow system for the generalized Chaplygin gas not only because of their significance in practical applications in the traffic flow system, but also because of their basic role for the general mathematical theory.

Technical Regulations for Rain Shelter Cultivation of Summer Black Grape

The Technical Regulations for Rain Shelter Cultivation of Summer Black Grape(T/SDAS 36-2018)stipulates the terms and definitions of rain shelter cultivation technique of summer black grape,producing area environment,construction of rain shelter,seedling planting,types and con-struction of grape trellis,training and pruning,flower and fruit management,water and fertilizer management,disease and pest control,harvest,packing and storage,etc.,which is suitable for summer black grape planting in Shandong and the areas of the same ecological type in China.

Wave Interactions for Chaplygin Gas with Combustion

The elementary wave interactions for the Chapman-Jouguet model with combustion are investigated. We obtain the unique solution of the initial value problem under the global entropy conditions. We analyze the elementary wave interactions in the phase plane and construct uniquely the solution of this initial value problem. It is found that the combustion wave solution of the corresponding Riemann may be extinguished after perturbation which shows that the unburnt gas is unstable.

Wave Interactions for the Suliciu Relaxation System

In this paper, we investigate the elementary wave interactions for the Suliciu relaxation system and construct uniquely the solution by the characteristic analysis method in the phase plane. We find that the elementary wave interactions have a much simpler structure for the Temple class than the general systems of conservation laws. It is observed that the Riemann solutions of the Suliciu relaxation system are stable under the small perturbation on the Riemann initial data.

Changing profile of lung cancer clinical characteristics in China:Over 8-year population-based study

Background:Although examinations and therapies for bronchial lung cancer,also called lung cancer(LC),have become more effective and precise,the morbidity and mortality of LC remain high worldwide.Describing the changing profile of LC characteristics over time is indispensable.This study aimed to understand the changes in real-world settings of LC and its characteristics in China.Methods:In this study,119,785 patients were enrolled from 2012 to 2020 in the Shanghai Pulmonary Hospital.The patients’medical records were extracted from the hospital’s database.Demographic characteristics,general clinicopathological information,and blood coagulation indices at the initial diagnoses were analyzed using the Kruskal-Wallis,Nemenyi,chi-squared,and Bonferroni tests.Changes in demographic characteristics during the 8-year study period,namely dynamic changes among different stages and different pathological types,were evaluated.Results:The percentages of female(from 38.50%[323/839]in 2012 to 48.29%[5112/10,585]in 2020)and non-smoking LC(from 69.34%[475/685]to 80.48%[8055/10,009])patients increased significantly during the study period,with a trend toward a younger age at diagnosis(from 3.58%[30/839]to 8.99%[952/10,585]).Over the study period,the proportion and absolute number of lung adenocarcinoma cases increased(from 67.97%[433/637]to 76.31%[6606/8657])while the proportion of lung squamous cell carcinoma decreased(from 21.19%[135/637]to 12.08%[1046/8657]).Comprehensive driver gene mutation examination became more common,and epidermal growth factor receptor(EGFR)mutation occurred more frequently in female vs.male(62.03%[12793/20625]vs.29.90%[8207/27,447])and non-smoking vs.smoking(53.54%[17,203/32,134]vs.23.73%[3322/13,997])patients(both P<0.001).The distribution of the common driver genes differed among different stages of LC.EGFR mutation was detected most frequently at each stage,and other driver gene alterations were more common in advanced stages(P<0.001).The combination of chemotherapy,targeted ther-apy,and immunotherapy,as a comprehensive management regimen,gradually became predominant over the study period(P<0.001).A hypercoagulable state was shown in advanced-stage LC patients and patients with the anaplastic lymphoma kinase fusion,indicated by significantly elevated levels of d-dimer,fibrinogen,and fibrinogen degradation products.Conclusions:This study comprehensively depicted the changing characteristics of Chinese LC patients over an 8-year period to provide preliminary insights into LC treatment.Trial registration:ClinicalTrials.gov,NCT05423236.

Pyroptosis:A promising target for lung cancer therapy

Pyroptosis is a type of programed cell death that differs from apoptosis,ferroptosis,or necrosis.Numerous studies have reported that it plays a critical role in tumorigenesis and modification of the tumor microenvironment in multiple tumors.In this review,we briefly describe the canonical,non-canonical,and alternative mechanisms of pyroptotic cell death.We also summarize the potential roles of pyroptosis in oncogenesis,tumor development,and lung cancer treatment,including chemotherapy,radiotherapy,targeted therapy,and immunotherapy.Pyrop-tosis has double-edged effects on the modulation of the tumor environment and lung cancer treatment.Further exploration of pyroptosis-based drugs could provide novel therapeutic strategies for lung cancer.

降低Cs3Bi2Br9钙钛矿光电探测器的电流波动用于宽动态范围漫反射成像

近年来,无机金属钙钛矿作为一种优秀的光电子材料,受到了全世界广泛的关注,被认为是一种理想的光电探测材料.然而,市场上并没有出现钙钛矿光电探测器的身影.这其中有两大重要原因:一是研究者大多集中于性能稳定的铅基钙钛矿材料,而铅是一种剧毒物质,对人体有害,因此无铅基钙钛矿是未来市场化的发展方向;二是以往的钙钛矿探测器成像方面的报道大多为透射式成像模式,而现实生活中漫反射成像设备更为常见(如照相机、扫描仪等),透射成像只适用于透明物体.鉴于这种情况,本文设计制作了一种无铅的Cs3Bi2Br9钙钛矿光电探测器,并建立了一种用于测试探测器性能的漫反射成像系统.更重要的是,本文提出一个很少有研究者关注但其实极其重要的物理参数来衡量光电探测器的电流波动.通过原子层沉积的方法降低了电流波动,使得检测到的光电流值变得更加可靠,从而得到更加清晰的漫反射图像.本文提出的Cs3Bi2Br9钙钛矿光电探测器解决了钙钛矿光电探测器市场化的两大障碍,可以扩展钙钛矿材料的应用范围,并提高了光电成像质量.

All-inorganic lead-free NiO_(x)/Cs_(3)Bi_(2)Br_(9) perovskite heterojunction photodetectors for ultraviolet multispectral imaging

Bismuth-based perovskites are considered to be promising candidates to substitute the toxic lead-based perovskite in optoelectronics due to their excellent optoelectronic properties,high environmental friendliness,and(moisture,light,and heat)stability.However,there are still few reports about high performance bismuth-based perovskite ultraviolet photodetectors,and is more lacking in ultraviolet imaging demonstration.Herein,we reported a self-powered NiO_(x)/Cs_(3)Bi_(2)Br_(9) heterojunction photodetector with excellent photodetection performance by electrochemical depositing NiOx as the hole transport layer.The optimized NiO_(x)/CsaBi_(2)Brg heterojunction photodetector exhibits excellent ultraviolet detection performance with a fast response speed of 3.04/4.65 ms,wide linear dynamic range of 116.6 dB,decent responsivity of 4.33 mA·W^(-1) at 0 V bias,and high detectivity of 1.3×10^(11) jones.The outstanding performance of the optimized NiO_(x)/Cs_(3)Bi_(2)Br_(9) heterojunction photodetector is enough to meet the high-quality ultraviolet imaging.Therefore,we further integrated the optimized NiO_(x)/Cs_(3)Bi_(2)Br_(9) heterojunction photodetector to the transmission mode ultraviolet multispectral imaging system,achieving admirable imaging results at weak light condition.This work will play a positive role in promoting the development of bismuth-based ultraviolet photodetection and ultraviolet multispectral imaging.

Spectrum-shaped Si-perovskite hybrid photodetectors for hyperspectral bioimaging

Hyperspectral imaging(HSI)with rich spectral and spatial information holds potential for applications ranging from remote sensing to biomedicine.However,charge-coupled device(CCD)detectors used in conventional HSI systems suffer from inferior and unbalanced responsivity in the visible region,which is not a perfect choice for high-performance visible HSI.That is,conventional Si-based CCDs exhibit poor responsivity at short wavelengths(e.g.,400–600 nm)compared with that at longer wavelengths due to the nature of the indirect bandgap in silicon of around 1.1 e V.To solve this challenge,we introduce a Cs Pb Br_(3) perovskite layer to shape the spectrum of a Si/PEDOT:PSS heterojunction photodetector(PD),resulting in a fabricated Si-Cs Pb Br_(3) hybrid PD with enhanced responsivity at 400–600 nm.This results in an approximately flat spectral responsivity curve in the visible region(400–800 nm).Therefore,the stable Si-Cs Pb Br_(3) hybrid PD with a flat spectrum overcomes the shortcomings of traditional Si-based PDs and makes it more suitable for HSI.Further,we set up a first perovskite HSI system with high spectrum resolution and demonstrate potential applications for tumor detection and tissue identification.We believe that this perovskite optimization can be integrated into modern CCD,thus becoming a step in future CCD fabrication processes,which is a milestone for high-performance HSI systems.

Multiscale Stategies in Automatic Image-Domain Waveform Tomography

Multiscale strategies are very important in the successful application of waveform-based velocity inversion. The strategy that sequentially preceeds from long to short scale of velocity model, has been well developed in full waveform inversion （FWI） to solve the local mininum problem. In contrast, it＇s not well understood in the image-domain waveform tomography （IWT）, which back-projects incoherent waveform components of the common image gather into velocity updates. IWT is less prone to local minimum problem but tends to build long-scale model with low resolution. In order to build both long- and short-scale model by IWT, we discuss several multiscale strategies restricted in the image domain. The strategies include model reparameterization, objective function switching and gradient rescaling. Numerical tests on Marmsousi model and real data demonstrate that our proposed multiscale IWT is effective in buidling velocity model with wide wavenumber spectrum.

Physical model for acoustic resonance in annular cavity structure

A physical model for acoustic resonance in the annular cavity structure is developed to represent the typical characteristic when acoustic resonance occurs.Firstly,the measurement of sound pressure in the casing and rotor blades vibration is operated in a multistage high pressure compressor.The sharp peak frequency and discrete multi-tone occur in the frequency spectrum of sound pressure in the compressor,and the vibration of the first stage of rotor blades synchronously presents the high amplitude.The frequencies associated with rotor blades vibration can be calculated with rotating sound source theory.It is also confirmed that acoustic resonance occurs in the multistage compressor.With acoustic similarity principle,an annular cavity model is established to simulate the typical characteristics of acoustic resonance in the compressor based on Large Eddy Simulation(LES)and Lighthill acoustic analogy.The coupling relationship between cavity acoustic mode and disc vibration mode shape is expounded when acoustic resonance occurs in the model.And acoustic resonance will be locked in the certain flow rate range.All these characteristics match well with those occur in the multistage high pressure compressor.