Results 1 to 10 of about 7,280,036 (146)

Clinical Use of the Self-Assembling Peptide RADA16: A Review of Current and Future Trends in Biomedicine

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
RADA16 is a synthetic peptide that exists as a viscous solution in an acidic formulation. In an acidic aqueous environment, the peptides spontaneously self-assemble into β-sheet nanofibers.
Sharanya Sankar   +9 more
doaj   +1 more source

2000W Blue laser directed energy deposition of AlSi7Mg: process parameters, molten pool characteristics, and appearance defects

open access: yesVirtual and Physical Prototyping, 2023
Aluminium alloys are difficult to be manufactured by directed energy deposition (DED) with the widely used infrared laser because of the low absorptivity.
Zijue Tang   +9 more
doaj   +1 more source

Application of measurement and control technology in deep and normal pressure shale gas exploration and development

open access: yesShiyou shiyan dizhi, 2023
Deep and normal-pressure shale gas is the key field of shale gas exploration and development of SINOPEC. At present, this type of shale gas is faced with difficulties in the beneficial development. In order to increase the productivity of single well and
Xiang GE   +4 more
doaj   +1 more source

Improving the Thermal Properties of Polycarbonate via the Copolymerization of a Small Amount of Bisphenol Fluorene with Bisphenol A

open access: yesInternational Journal of Polymer Science, 2022
Polycarbonate is an attractive transparent plastic with high mechanical/thermal properties. A family of copolycarbonates of bisphenol-A (BPA), 9, 9-bis (4-hydroxyphenyl) fluorene (BHPF), and diphenyl carbonate (DPC) were prepared by a transesterification
Xiaozhou Zhang   +5 more
doaj   +1 more source

Application of Wireless Detonation Technology in Tubing Conveying Perforation

open access: yesCejing jishu, 2023
Tubing conveying perforation is the main process of perforation at present. In complex oil and gas wells, the existing detonation technology suitable for tubing perforation is easy to cause accidental conditions such as false explosion and rejection of ...
SONG Ning   +5 more
doaj   +1 more source

Effect of pretreatment on microstructural stability and mechanical property in a spray formed Al-Zn-Mg-Cu alloy

open access: yesMaterials & Design, 2021
Aluminum alloys fabricated by spray forming (SF) technology are commonly followed by hot-working without heat treatments. A new approach that is a pretreatment before hot-working is proposed in the present work.
Zhiping Wang   +8 more
doaj   +1 more source

An App to Teach With: A Case of Mobile Learning Non-adoption in Higher Ed

open access: yesIssues and Trends in Educational Technology, 2013
This article presents a case study of student response to a custom-designed smartphone application for a large undergraduate communications course in Canada. The author analyzed over 2,000 students’ responses to the application over a two-and-a-half year
Sidneyeve Matrix
doaj   +2 more sources

“I-Do” Feminism Courtesy of Martha Stewart Weddings and HBC’s Vow To Wow Club : Inventing Modern Matrimonial Tradition with Glue Sticks and Cuisinart [PDF]

open access: yes, 2006
This article examines the wedding gift registry as a newly invented tradition and part of the increasing commodification of everyday life and its rites of passage.
Matrix, Sidney Eve
core   +1 more source

S matrix from matrix product states [PDF]

open access: yes, 2014
We use the matrix product state formalism to construct stationary scattering states of elementary excitations in generic one-dimensional quantum lattice systems.
Haegeman, Jutho   +3 more
core   +5 more sources

Quark Mass Matrix with a Structure of a Rank One Matrix Plus a Unit Matrix [PDF]

open access: yes, 1995
A quark mass matrix model $M_q=M_e^{1/2} O_q M_e^{1/2} $ is proposed where $M_e^{1/2}={\rm diag}(\sqrt{m_e},\sqrt{m_\mu},\sqrt{m_\tau})$ and $O_q$ is a unit matrix plus a rank one matrix.
Fusaoka, H., Koide, Y.
core   +2 more sources

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