512 Result(s)

Chapter and Conference Paper

Microstructure of the Interface and Interfiber Regions in P-55 Reinforced Aluminum Alloys Manufactured by Pressure Infiltration

The effect of A1₄C₃ formation at the fiber/matrix interface on the properties of carbon fiber reinforced aluminum alloy matrix composites has been the subject of numerous investigations. However, there are other ...

Qiong Li, Gou Ding Zhang, Joseph T. Blucher… in Controlled Interphases in Composite Materi… (1990)

Chapter and Conference Paper

Control of Interface Reactions between P-55 Fibers and Aluminum Alloy Matrices during Pressure Infiltration Processing

The pressure infiltration process is a convenient and inexpensive method for manufacturing cast metal matrix composites. Inherent in the process is the ability to independently control the most important proce...

Guo Ding Zhang, S. R. Feng, Qiong Li… in Controlled Interphases in Composite Materi… (1990)

Article

Strong stability of generalized Jamison’s weighted sums of NA sequences

The a. s. convergence of NA series as the point of departure is studied.

Yuebao Wang, Xuguo Liu, Qiong Liang in Chinese Science Bulletin (1998)

Article

The tyrosine kinase c-Abl regulates p73 in apoptotic response to cisplatin-induced DNA damage

Cancer chemotherapeutic agents such as cisplatin exert their cytotoxic effect by inducing DNA damage and activating programmed cell death (apoptosis). The tumour-suppressor protein p53 is an important activato...

JianGen Gong, Antonio Costanzo, Hong-Qiong Yang, Gerry Melino… in Nature (1999)

Article

Essential role for oncogenic Ras in tumour maintenance

Advanced malignancy in tumours represents the phenotypic end-point of successive genetic lesions that affect the function and regulation of oncogenes and tumour-suppressor genes¹. The established tumour is mainta...

Lynda Chin, Alice Tam, Jason Pomerantz, Michelle Wong, Jocelyn Holash… in Nature (1999)

Article

Myosin VI is an actin-based motor that moves backwards

Myosins and kinesins are molecular motors that hydrolyse ATP to track along actin filaments and microtubules, respectively. Although the kinesin family includes motors that move towards either the plus or minu...

Amber L. Wells, Abel W. Lin, Li-Qiong Chen, Daniel Safer, Shane M. Cain… in Nature (1999)

Article

Identification of selenocysteine insertion sequence (SECIS) element in eukaryotic selenoproteins by RNA Draw program

The computer program RNA Draw was used to identify the secondary structures in the 3′ untranslated regions (3′UTRs) of the mRNAs from 46 eukaryotic selenoproteins among 7 species. The program found one or two ...

Huibi Xu, Kaixun Huang, **anghu Qu, Zhonghong Gao, Qiong Liu… in Chinese Science Bulletin (2001)

Article

Electroluminescence and photoluminescence of dioctylfluorene and 4,7-dithien-2-yl-2,1,3-benzothiadiazole copolymers

Dioctylfluorene (DOF) and 4,7-dithien-2-yl 2,1,3-benzothiadiazole (DBT) copolymers synthesized in our lab with different compositions of DBT (1%, 5%, 15% and 25%) were utilized to fabricate bilayered light emi...

Junbiao Peng, Yishe Xu, Qiong Hou, Yuhua Niu, Wenying Ruan… in Chinese Science Bulletin (2002)

Article

B→O blood conversion

To maintain a constant supply of “universal blood type”, or group O red blood cells, has benefit in specialized transfusion condition. In this study, α-galactosidase cDNA was cloned from Catimor coffee bean gr...

Yangpei Zhang, Jun Yang, **n Gao, Yanjun Jia, Shou** Ji… in Chinese Science Bulletin (2003)

Article

A novel peptide that inhibits HIV-1 entry

Yong Yu, **aoxing Huang, Qiong Wang, Yaling Yang, Po Tian… in Chinese Science Bulletin (2004)

Article

The role of barren stalk1 in the architecture of maize

The architecture of higher plants is established through the activity of lateral meristems—small groups of stem cells formed during vegetative and reproductive development. Lateral meristems generate branches ...

Andrea Gallavotti, Qiong Zhao, Junko Kyozuka, Robert B. Meeley, Matthew K. Ritter… in Nature (2004)

Article

Near infrared polymer light-emitting diodes

High efficiency of near infrared polymer light-emitting diodes with bilayer structure was obtained. The diode structure is ITO/PEDOT/L1/L2/Ba/Al, where L1 is phenyl-substituted poly [p-phenylphenylene vinylene] d...

Zhang Yong, Yang Jian, Hou Qiong, Mo Yueqi, Peng Junbiao… in Chinese Science Bulletin (2005)

Article

Synthesis of medium-chain-length-polyhydroxyalkanoates in tobacco via chloroplast genetic engineering

Medium-chain-length-polyhydroxyalkanoates (mcl-PHAs) belong to the group of microbial polyesters containing monomers ranging from 6 to 14 carbons in length. The key enzymes of their biosynthesis are PHA-polyme...

Yuhua Wang, Zhongyi Wu, **uhai Zhang, Guoqiang Chen, Qiong Wu… in Chinese Science Bulletin (2005)

Article

The origin of the naked grains of maize

A simple genetic change liberated the naked kernel from the protective casing that envelops it in the maize progenitor, teosinte. With the kernel exposed on the surface of the ear it was readily utilized as a ...

Huai Wang, Tina Nussbaum-Wagler, Bailin Li, Qiong Zhao, Yves Vigouroux… in Nature (2005)

Article

New proofs of the recent climate warming over the Tibetan Plateau as a result of the increasing greenhouse gases emissions

A striking climate warming over the Tibetan Plateau during the last decades has been revealed by many studies, but evidence linking it to human activity is insufficient. By using historical observations, here ...

Anmin Duan, Guoxiong Wu, Qiong Zhang, Yimin Liu in Chinese Science Bulletin (2006)

Article

Transgene directionally integrated into C-genome of Brassica napus

Integration of a transgene into a C-genome chromosome plays an important role in reducing ecological risk of transgenic Brassica napus. To obtain C-genome transgenic B. napus, herbicide-resistant bar gene was fir...

Jun Li, ** Fang, Zhuan Wang, Jun Li, Lixia Luo, Qiong Hu in Chinese Science Bulletin (2006)

Article

In silico identification of silkworm selenoproteomes

Selenium (Se) is an essential trace element in vivo. Its biological function is mainly exerted through selenoproteins. Selenocysteine (Sec), the active site of selenoproteins, is incorporated into the protein at ...

** Chen, Jun Duan, Liang Jiang, Qiong Liu, ** Zhao… in Chinese Science Bulletin (2006)

Article

Surface nanostructures orienting self-protection of an orthodontic nickel-titanium shape memory alloys wire

Shape memory alloys (SMA) have been applied to a wide variety of applications in a number of different fields such as aeronautical applications, sensors/actuators, medical sciences as well as orthodontics. It ...

Qiong Nie, ZhuoYu Ji, Jiu**ang Lin, Wen** Hu in Chinese Science Bulletin (2007)

Article

Mutations of multiple genes cause deregulation of NF-κB in diffuse large B-cell lymphoma

Two groups report in this issue that A20 protein, a negative regulator of NF-κB signalling pathways, is frequently inactivated in patients with B-cell lymphoma. Kato et al. show that cells lacking the A20 gene ge...

Mara Compagno, Wei Keat Lim, Adina Grunn, Subhadra V. Nandula… in Nature (2009)