目的程序性死亡配体1(programmed death ligand 1,PD-L1)在头颈部鳞状细胞癌(head and neck squamous cell carcinoma,HNSCC)等恶性肿瘤中高表达。本研究旨在确定中国复发性或转移性HNSCC(recurrent or metastatic HNSCC,R/M HNSCC)患者...
Savannah,Ga.,June13,2024-Gulfstream Aerospace Corp.announced the cleansheet Gulfstream G500 and Gulfstream G600 have each surpassed 100,000 flight hours.Powered by Pratt&Whitney Canada engines,both aircraft feature th...
A dark matter mechanism within the framework of the standard model (SM) of particle physics is proposed in this article that the essence of dark matter may be the excited virtual particle field by the gravitational fi...
Reverse shoulder arthroplasty (RSA) is an effective treatment for rotator cuff tears. Despite its advantages, complications occur at a high rate. Complications requiring revision include a high rate of base plate fail...
the National Natural Science Foundation of China(Nos.52125306,22005347,21875286);the Natural Science Foundation of Hunan Province(2021JJ20068);the Central South University Innovation-Driven Research Program(No.2023CXQD052).
Comprehensive Summary In this work,we adopt a“heteroatom side-chains”modification strategy to modify the thiophene units in A-DA'D-A(acceptor-donor-acceptor’-donor-acceptor)type pentacyclic SMAs(small molecule acce...
In December,2022,Fujian Development and Reform Commission issued Implementing Opinions on Accelerating High Quality Development of Lithium Battery New Energy New Material Industry.The Opinions indicates that by 2025,c...
Tibet’s annual GDP growth reaches 9.5% over 10 years The gross domestic product of the Tibet Autonomous Region grew by an annual average of 9.5 percent from 2012 to 2021,2.9 percentage points higher than the national...
The USDX is expected to fluctuate within the 100-110 intervals in the second half of 2022.In the short term,the index might exceed 110,but may likely rebound within 100-110.
In 2011 neutrinos from CERN in Geneva-CH were announced to reach to the OPERA Lab in Gran Sasso-IT 60 ns earlier than light. In reality, the velocity of the neutrinos was compared, not with the measured one-way veloci...
As the debate on artificial intelligence continues, the ways in which Chinese science and technology companies can adapt to and promote international AI development has become the focus of China’s