After World War II,political parties were on the rise around the world,influencing affairs at home and abroad.Party diplomacy became a new type of diplomacy.The Eighth National Congress of the Communist Party of China...After World War II,political parties were on the rise around the world,influencing affairs at home and abroad.Party diplomacy became a new type of diplomacy.The Eighth National Congress of the Communist Party of China in 1956 was a major event in the history of CPC diplomacy,as it was the first Congress the Party had convened since the founding of the People’s Republic in 1949.Particularly significant was the Party’s diplomatic activity during the Congress.Most importantly,this was the first and only time since 1949 that foreign party delegations had been invited to attend the Congress.The Party’s active conduct of party-to-party diplomacy utilized the Eighth National Congress as a platform.More than fifty foreign party delegations were invited to attend,including delegations from fraternal parties who made speeches at the Congress.Inter-party exchanges were actively pursued,including arrangements for delegates to tour different parts of China.The party diplomacy of the Eighth National Congress achieved its purpose of deepening inter-party friendship and exchanges by showcasing post-1949 China and highlighting the Party’s goals.It thus had a far-reaching historical significance.展开更多
In this paper, an instability criteria for nonlinear ordinary vector differential equation （1.1） is given. The result extends and includes the results of previous authors in （[1], [27]）.
This study investigated the residual film content and distribution at different soil depths in the Eighth Division of the Xinjiang Production and Construction Corps.Before spring plowing in 2019,representative fields ...This study investigated the residual film content and distribution at different soil depths in the Eighth Division of the Xinjiang Production and Construction Corps.Before spring plowing in 2019,representative fields in four areas(Anjihai,Shihezi suburbs,Mosuowan and Xiayedi)were selected for residual film collection.The average content of residual film in the Eighth Division was 104 kg/ha.The residual film content in the four areas decreased in the order Anjihai>Shihezi suburbs>Mosuowan>Xiayedi.The average amount of residual film collected from cotton fields was greater than that from corn fields.Residual film content in the cotton field at soil depths of 0~10 and 10~30 cm was higher than that in the corn field,whereas the residual film content at a 30–50 cm soil depth in the corn field was higher than that in the cotton field.The results showed that farmers do not consider the long-term benefits,the high cost and short time of recycling,and the easy recycling of surface residual film.The shallow that the higher content of residual film,the less water in the soil of cotton.The same time,the results showed that the quantity of residual film in cotton field had greater influence on cotton quality.展开更多
Objective:To validate the eighth edition of the AJCC staging system in patients with pancreatic adenocarcinoma receiving only stereotactic body radiation therapy and chemotherapy,and to propose modifications to improv...Objective:To validate the eighth edition of the AJCC staging system in patients with pancreatic adenocarcinoma receiving only stereotactic body radiation therapy and chemotherapy,and to propose modifications to improve prognostic accuracy.Methods:Patients with pathologically confirmed pancreatic adenocarcinoma without metastasis who were undergoing only chemoradiotherapy were included and staged according to the seventh and eighth editions of the AJCC staging system.Meanwhile,another group of stage T4 patients from the above enrollment with only portal vein involvement with or without tumor thrombi(PV±PVTT)were retrieved for survival comparisons.Modifications were proposed according to the survival comparisons.A cohort from the SEER database was used for external validation of the modified staging system.Results:A total of 683 patients were included.Patients with N2 or N1 but different T stages had significantly different survival outcomes according to the eighth edition.The survival of patients with(PV±PVTT)was comparable to that of patients with T4 tumors.The concordance index of the seventh and eighth editions,and the modified staging system was 0.744(95%CI:0.718—0.769),0.750(95%CI:0.725—0.775),and 0.788(95%CI:0.762-0.813),respectively.For external validation,the concordance index was 0.744(95%CI:0.718-0.770),0.750(95%CI:0.724-0.776),and 0.788(95%CI:0.762-0.814),respectively.Conclusions:The modified staging system is suggested to have the m ost accurate prognostic value.Hence,PV土PVTT should be added to the definition of T4 tumors regardless of tumor size.Patients with N2 or N1 in different T stages could be regrouped into different substages.Additionally,stage III should be subclassified into IIIA(T3N 2 and T4N 0)and IIIB(T4N 1-2).展开更多
Background:The prognosis of gastric cancer patients with a limited number of pathologically examined lymph nodes(eLN,<16)is dismal compared to those with adequately eLN(≥16),yet they are still classified within th...Background:The prognosis of gastric cancer patients with a limited number of pathologically examined lymph nodes(eLN,<16)is dismal compared to those with adequately eLN(≥16),yet they are still classified within the same subgroups using the American Joint Committee on Cancer(AJCC)staging system.We aimed at formulating an easy-to-adopt and clinically reliable stratification approach to homogenize the classification for these two categories of patients.Methods:Patients staged according to the 8th AJCC pathological nodal(N)and tumor-node-metastasis(TNM)clas-sification were stratified into a Limited and Adequate eLN cohort based on their number of pathologically examined LNs.The statistical differences between the 5-year overall survival(OS)rates of both cohorts were determined and based on which,patients from the Limited eLN cohort were re-classified to a proposed modified nodal(N′)and TNM(TN′M)classification,by matching their survival rates with those of the Adequate eLN cohort.The prognostic perfor-mance of the N′and TN′M classification was then compared to a formulated lymph-node-ratio-based nodal classifica-tion,in addition to the 8th AJCC N and TNM classification.Results:Significant heterogeneous differences in 5-year OS between patients from the Limited and Adequate eLN cohort of the same nodal subgroups were identified(all P<0.001).However,no significant differences in 5-year OS were observed between the subgroups N0,N1,N2,and N3a of the Limited eLN cohort when compared with N1,N2,N3a,and N3b from the Adequate eLN cohort,respectively(P=0.853,0.476,0.114,and 0.230,respectively).A novel approach was formulated in which only patients from the Limited eLN cohort were re-classified to one higher nodal subgroup,denoted as the N′classification.This re-classification demonstrated superior stratifying and prognostic ability as compared to the 8th AJCC N and lymph-node-ratio classification(Akaike information criterion values[AIC]:12,276 vs.12,358 vs.12,283,respectively).The TN′M classification also demonst展开更多
Background:Little is known about the correlation between the clinicopathological features,postoperative treatment,and prognosis of multiple gastric cancers(MGCs).In this study,we aimed to investigate the correlation b...Background:Little is known about the correlation between the clinicopathological features,postoperative treatment,and prognosis of multiple gastric cancers(MGCs).In this study,we aimed to investigate the correlation between these features and the impact of postoperative adjuvant chemotherapy on the long-term survival of patients with MGC.Methods:The clinical and pathological data of patients diagnosed with gastric adenocarcinoma who had radical gastrectomy from January 2007 to December 2016 were analyzed.Using propensity score matching,the prognostic differences,and the impact of postoperative adjuvant chemotherapy between those with MGC and solitary gastric cancers(SGC)were compared.Results:Among the 4107 patients investigated,the incidence of MGC was 3.2%(133/4107).Before matching,patients with MGC and SGC had disparities in the type of gastrectomy,pathological tumor stage(pT),pathological node stage(pN),and pathological tumor-node-metastasis stage(pTNM).After a 1:4 ratio matching,the clinical data of 133 cases of MGC and 532 cases of SGC were found to be comparable.The 5-year overall survival(OS)rate was 56.6%in the entire matched cohort,48.1%in the MGC group,and 58.7%in the SGC group(P=0.013).Multivariate analysis revealed that MGC,age,pT stage,pN stage,and adjuvant chemotherapy were independent predictors of OS(all P<0.05).Stratified analyses demonstrated that for the cohort of advanced gastric cancer(AGC)patients who did not had adjuvant chemotherapy,the 5-year OS rate of advanced cases of MGC was inferior than that of SGC patients(34.0%vs.46.1%,respectively;P=0.025)but there were no significant difference in the 5-year OS rate between advanced MGC and SGC patients who had adjuvant chemotherapy(48.0%vs.53.3%,respectively;P=0.292).Further,we found that the 5-year OS rate of advanced MGC who had adjuvant chemotherapy was significantly higher than those who did not had adjuvant chemotherapy(48.0%vs.34.0%,P=0.026).Conclusions:Patients with advanced MGC was identified as having a poorer survival as to SGC patien展开更多
Since its implementation of the openingpolicy,China has witnessed greatsuccess in foreign fund utilization.Hunan,situated in the hinterland,beganto introduce foreign capital a little later thanthe coastal areas.In 197...Since its implementation of the openingpolicy,China has witnessed greatsuccess in foreign fund utilization.Hunan,situated in the hinterland,beganto introduce foreign capital a little later thanthe coastal areas.In 1979,Hunan began toconduct processing and assembling businessand compensation trade,but gained only afew million US dollars.A vast change wastook place in the Eighth Five-Year Planperiod,achieving a great quantitative andqualitative rise in foreign capital utilizationas compared with the sixth and seventh Five-Year Plan periods.In the past five years,Hunan has approved 4,001 foreign-fundedprojects,a 5,5-fold increase over the total forthe previous 12 years(1979-1990),including3,584 projects directly financed by展开更多
We present a simple yet effective and applicable scheme,based on quadrature,for constructing optimal iterative methods.According to the,still unproved,Kung-Traub conjecture an optimal iterative method based on n+1 eva...We present a simple yet effective and applicable scheme,based on quadrature,for constructing optimal iterative methods.According to the,still unproved,Kung-Traub conjecture an optimal iterative method based on n+1 evaluations could achieve a maximum convergence order of 2n.Through quadrature,we develop optimal iterative methods of orders four and eight.The scheme can further be applied to develop iterative methods of even higher orders.Computational results demonstrate that the developed methods are efficient as compared with many well known methods.展开更多
The applied research on remote-sensing technology at our Academy has achieved the envisaged target of scaling a new stage during each of the five year plans. At present, there are some 30 research sections and teams s...The applied research on remote-sensing technology at our Academy has achieved the envisaged target of scaling a new stage during each of the five year plans. At present, there are some 30 research sections and teams specializing in the subject and staffed by more than 1,700 professionals in the CAS system, including six CAS members and some 500 mid-ranking or senior researchers. It is expected that the number of doctorate and post-doctorate scholars flocking to the field are in rapid increase. During the Sixth Five-year Plan period(1981-1985), the telemetric research at the展开更多
Many talented new athletes emerged during China’s Eighth National Games, which were held in Shanghai in October of last year. They broke several world, regional,
The annual China (Guangzhou) International Automobile Exhibition was held at the China Import and Export Commodity Fair on December 21-27, 2010. This year’s exhibition covered about 160,000 square meters. The world’s
The Eighth Congress of the China Law Society was opened at the Great Hall of the People on the morning of March 19, 2019. Chinese President Xi Jinping and other Communist Party of China (CPC) and State leaders, Li Keq...The Eighth Congress of the China Law Society was opened at the Great Hall of the People on the morning of March 19, 2019. Chinese President Xi Jinping and other Communist Party of China (CPC) and State leaders, Li Keqiang. Li Zhanshu and Wang Huning. attended the opening ceremony and extended their congratulations to the congress.展开更多
文摘After World War II,political parties were on the rise around the world,influencing affairs at home and abroad.Party diplomacy became a new type of diplomacy.The Eighth National Congress of the Communist Party of China in 1956 was a major event in the history of CPC diplomacy,as it was the first Congress the Party had convened since the founding of the People’s Republic in 1949.Particularly significant was the Party’s diplomatic activity during the Congress.Most importantly,this was the first and only time since 1949 that foreign party delegations had been invited to attend the Congress.The Party’s active conduct of party-to-party diplomacy utilized the Eighth National Congress as a platform.More than fifty foreign party delegations were invited to attend,including delegations from fraternal parties who made speeches at the Congress.Inter-party exchanges were actively pursued,including arrangements for delegates to tour different parts of China.The party diplomacy of the Eighth National Congress achieved its purpose of deepening inter-party friendship and exchanges by showcasing post-1949 China and highlighting the Party’s goals.It thus had a far-reaching historical significance.
文摘In this paper, an instability criteria for nonlinear ordinary vector differential equation （1.1） is given. The result extends and includes the results of previous authors in （[1], [27]）.
基金This study was funded by“Strong youth”key talents of scientific and technological innovation of the Xinjiang Construction Crops(No.2021CB040)“Science and Technology Project of the Eighth Division(No.2022NY03)”.
文摘This study investigated the residual film content and distribution at different soil depths in the Eighth Division of the Xinjiang Production and Construction Corps.Before spring plowing in 2019,representative fields in four areas(Anjihai,Shihezi suburbs,Mosuowan and Xiayedi)were selected for residual film collection.The average content of residual film in the Eighth Division was 104 kg/ha.The residual film content in the four areas decreased in the order Anjihai>Shihezi suburbs>Mosuowan>Xiayedi.The average amount of residual film collected from cotton fields was greater than that from corn fields.Residual film content in the cotton field at soil depths of 0~10 and 10~30 cm was higher than that in the corn field,whereas the residual film content at a 30–50 cm soil depth in the corn field was higher than that in the cotton field.The results showed that farmers do not consider the long-term benefits,the high cost and short time of recycling,and the easy recycling of surface residual film.The shallow that the higher content of residual film,the less water in the soil of cotton.The same time,the results showed that the quantity of residual film in cotton field had greater influence on cotton quality.
基金grants from the Special Project of Ministry of Science and Technology(Grant No.2017 YFC0113104)We thank Dr.Jiuhong Chen for helpful comments,Dr.Fabienne Hirigoyenberry and Dr.Huijun Chen,for language editing and LinkDoc for their constructive advice in patient follow-up.
文摘Objective:To validate the eighth edition of the AJCC staging system in patients with pancreatic adenocarcinoma receiving only stereotactic body radiation therapy and chemotherapy,and to propose modifications to improve prognostic accuracy.Methods:Patients with pathologically confirmed pancreatic adenocarcinoma without metastasis who were undergoing only chemoradiotherapy were included and staged according to the seventh and eighth editions of the AJCC staging system.Meanwhile,another group of stage T4 patients from the above enrollment with only portal vein involvement with or without tumor thrombi(PV±PVTT)were retrieved for survival comparisons.Modifications were proposed according to the survival comparisons.A cohort from the SEER database was used for external validation of the modified staging system.Results:A total of 683 patients were included.Patients with N2 or N1 but different T stages had significantly different survival outcomes according to the eighth edition.The survival of patients with(PV±PVTT)was comparable to that of patients with T4 tumors.The concordance index of the seventh and eighth editions,and the modified staging system was 0.744(95%CI:0.718—0.769),0.750(95%CI:0.725—0.775),and 0.788(95%CI:0.762-0.813),respectively.For external validation,the concordance index was 0.744(95%CI:0.718-0.770),0.750(95%CI:0.724-0.776),and 0.788(95%CI:0.762-0.814),respectively.Conclusions:The modified staging system is suggested to have the m ost accurate prognostic value.Hence,PV土PVTT should be added to the definition of T4 tumors regardless of tumor size.Patients with N2 or N1 in different T stages could be regrouped into different substages.Additionally,stage III should be subclassified into IIIA(T3N 2 and T4N 0)and IIIB(T4N 1-2).
基金This work was supported by the Natural Science Foundation of Guangdong Province(Grant Number:2018A030313631)Guangdong provincial scientific and technology project(Grant Number:2014A020232331)+1 种基金Guangzhou medical,health science and technology project(Grant Number:20151A011077)China postdoctoral science foundation grant(Grant Number:2017M622879)and National Natural Science Foundation of China(Grant Number:81802451)
文摘Background:The prognosis of gastric cancer patients with a limited number of pathologically examined lymph nodes(eLN,<16)is dismal compared to those with adequately eLN(≥16),yet they are still classified within the same subgroups using the American Joint Committee on Cancer(AJCC)staging system.We aimed at formulating an easy-to-adopt and clinically reliable stratification approach to homogenize the classification for these two categories of patients.Methods:Patients staged according to the 8th AJCC pathological nodal(N)and tumor-node-metastasis(TNM)clas-sification were stratified into a Limited and Adequate eLN cohort based on their number of pathologically examined LNs.The statistical differences between the 5-year overall survival(OS)rates of both cohorts were determined and based on which,patients from the Limited eLN cohort were re-classified to a proposed modified nodal(N′)and TNM(TN′M)classification,by matching their survival rates with those of the Adequate eLN cohort.The prognostic perfor-mance of the N′and TN′M classification was then compared to a formulated lymph-node-ratio-based nodal classifica-tion,in addition to the 8th AJCC N and TNM classification.Results:Significant heterogeneous differences in 5-year OS between patients from the Limited and Adequate eLN cohort of the same nodal subgroups were identified(all P<0.001).However,no significant differences in 5-year OS were observed between the subgroups N0,N1,N2,and N3a of the Limited eLN cohort when compared with N1,N2,N3a,and N3b from the Adequate eLN cohort,respectively(P=0.853,0.476,0.114,and 0.230,respectively).A novel approach was formulated in which only patients from the Limited eLN cohort were re-classified to one higher nodal subgroup,denoted as the N′classification.This re-classification demonstrated superior stratifying and prognostic ability as compared to the 8th AJCC N and lymph-node-ratio classification(Akaike information criterion values[AIC]:12,276 vs.12,358 vs.12,283,respectively).The TN′M classification also demonst
基金Supported by Scientific and technological innovation joint capital projects of Fujian Province(2016Y9031)Construction Project of Fujian Province Minimally Invasive Medical Center(No.[2017]171)+4 种基金Project supported by the Science Foundation of the Fujian Province,China(Grant No.2018J01307)The second batch of special support funds for Fujian Province innovation and entrepreneurship talents(2016B013)Fujian province medical innovation project(2015-CXB-16)The Miaopu Fund for Scientific Research,Fujian Medical University(No.2014MP022)We thank Jun-Peng Lin for his assistance provided in patient screening and data input.
文摘Background:Little is known about the correlation between the clinicopathological features,postoperative treatment,and prognosis of multiple gastric cancers(MGCs).In this study,we aimed to investigate the correlation between these features and the impact of postoperative adjuvant chemotherapy on the long-term survival of patients with MGC.Methods:The clinical and pathological data of patients diagnosed with gastric adenocarcinoma who had radical gastrectomy from January 2007 to December 2016 were analyzed.Using propensity score matching,the prognostic differences,and the impact of postoperative adjuvant chemotherapy between those with MGC and solitary gastric cancers(SGC)were compared.Results:Among the 4107 patients investigated,the incidence of MGC was 3.2%(133/4107).Before matching,patients with MGC and SGC had disparities in the type of gastrectomy,pathological tumor stage(pT),pathological node stage(pN),and pathological tumor-node-metastasis stage(pTNM).After a 1:4 ratio matching,the clinical data of 133 cases of MGC and 532 cases of SGC were found to be comparable.The 5-year overall survival(OS)rate was 56.6%in the entire matched cohort,48.1%in the MGC group,and 58.7%in the SGC group(P=0.013).Multivariate analysis revealed that MGC,age,pT stage,pN stage,and adjuvant chemotherapy were independent predictors of OS(all P<0.05).Stratified analyses demonstrated that for the cohort of advanced gastric cancer(AGC)patients who did not had adjuvant chemotherapy,the 5-year OS rate of advanced cases of MGC was inferior than that of SGC patients(34.0%vs.46.1%,respectively;P=0.025)but there were no significant difference in the 5-year OS rate between advanced MGC and SGC patients who had adjuvant chemotherapy(48.0%vs.53.3%,respectively;P=0.292).Further,we found that the 5-year OS rate of advanced MGC who had adjuvant chemotherapy was significantly higher than those who did not had adjuvant chemotherapy(48.0%vs.34.0%,P=0.026).Conclusions:Patients with advanced MGC was identified as having a poorer survival as to SGC patien
文摘Since its implementation of the openingpolicy,China has witnessed greatsuccess in foreign fund utilization.Hunan,situated in the hinterland,beganto introduce foreign capital a little later thanthe coastal areas.In 1979,Hunan began toconduct processing and assembling businessand compensation trade,but gained only afew million US dollars.A vast change wastook place in the Eighth Five-Year Planperiod,achieving a great quantitative andqualitative rise in foreign capital utilizationas compared with the sixth and seventh Five-Year Plan periods.In the past five years,Hunan has approved 4,001 foreign-fundedprojects,a 5,5-fold increase over the total forthe previous 12 years(1979-1990),including3,584 projects directly financed by
文摘We present a simple yet effective and applicable scheme,based on quadrature,for constructing optimal iterative methods.According to the,still unproved,Kung-Traub conjecture an optimal iterative method based on n+1 evaluations could achieve a maximum convergence order of 2n.Through quadrature,we develop optimal iterative methods of orders four and eight.The scheme can further be applied to develop iterative methods of even higher orders.Computational results demonstrate that the developed methods are efficient as compared with many well known methods.
文摘The applied research on remote-sensing technology at our Academy has achieved the envisaged target of scaling a new stage during each of the five year plans. At present, there are some 30 research sections and teams specializing in the subject and staffed by more than 1,700 professionals in the CAS system, including six CAS members and some 500 mid-ranking or senior researchers. It is expected that the number of doctorate and post-doctorate scholars flocking to the field are in rapid increase. During the Sixth Five-year Plan period(1981-1985), the telemetric research at the
文摘Many talented new athletes emerged during China’s Eighth National Games, which were held in Shanghai in October of last year. They broke several world, regional,
文摘The annual China (Guangzhou) International Automobile Exhibition was held at the China Import and Export Commodity Fair on December 21-27, 2010. This year’s exhibition covered about 160,000 square meters. The world’s
文摘The Eighth Congress of the China Law Society was opened at the Great Hall of the People on the morning of March 19, 2019. Chinese President Xi Jinping and other Communist Party of China (CPC) and State leaders, Li Keqiang. Li Zhanshu and Wang Huning. attended the opening ceremony and extended their congratulations to the congress.
