Results 51 to 60 of about 141,845 (249)

Homogenization studies for optical sensors based on sculptured thin films [PDF]

, 2012
In this thesis we investigate theoretically various types of sculptured thin film (STF) envi sioned as platforms for optical sensing. A STF consists of an array of parallel nanowires which can be grown on a substrate using vapour deposition techniques ...
Jamaian, Siti Suhana
core  

Homotopy Groups of the Space of Curves on a Surface

, 1999
We explicitly calculate the fundamental group of the space $\mathcal F$ of all immersed closed curves on a surface $F$. It is shown that $\pi_n(\mathcal F)=0$, n>1 for $F\neq S^2, RP^2$.
Tchernov, Vladimir
core   +2 more sources

Soybean Auxin Transporter PIN3 Regulates Nitrate Acquisition to Improve Nitrogen Use and Seed Traits

Advanced Science, EarlyView.
Xu et al. discovers that switching off auxin transporters in soybean, PIN3a and PIN3b, disrupts auxin flow; this triggers ARF‐STF3/4 signal cascade to activate the nitrate importer NPF2.13 and soil nitrogen acquisition. Multi‐year field trials show edited soybeans maintain yield with higher oil content, offering a potential genetic route to improve ...
Huifang Xu, Shiyu Huang, Jie Wang, Tian Wang, Qingqing Han, Kexin Wu, Zhen Gao, Xiaolei Shi, Tianli Tu, Ming Wang, Laimei Huang, Jiaomei Chen, Yunqi Liu, Yumei Zhang, Guoqiang Lin, Zhichang Chen, Xu Chen   +16 more
wiley   +1 more source

Participação Social no STF: repensando o papel das audiências públicas

, 2020
DOI: 10.1590/2179-8966/2019/36633 Resumo A audiencia publica realizada no Supremo Tribunal Federal (STF) e anunciada como mecanismo que produz informacao no controle de constitucionalidade e democratiza e legitima as decisoes do Tribunal.
L. Guimarães
semanticscholar   +1 more source

A Shear Thickening Colloidal Suspension Functioning via Progressive Impact Jamming with Persistent Lubrication Layer

Advanced Science, EarlyView.
An ionic liquid‐based shear‐thickening fluid (ILSTF) exhibits lubricated dynamics from strong shear thickening to impact‐triggered jamming. A persistent nanometric solvation layer around silica governs both the shear thickening saturation in rheology and jamming front propagation under dynamic impact compression.
Yiran Wu, Yifeng Yu, Yiqiu Zhao, Qin Xu, T. X. Yu, Xin Zhang, Jinglei Yang   +6 more
wiley   +1 more source

Statistical approach on the inter-yarn friction behavior of the dual-phase STF/ρ-Aramid impregnated fabrics via factorial design and 3D-RSM

Heliyon, 2023
Shear thickening fluids (STFs) refer to non-Newtonian fluids of the dilatant variety, wherein their viscosity experiences a significant surge with an escalation in the shear rate. In this investigative work, the friction behavior between yarns (pull-out)
Thiago F. Santos, Caroliny M. Santos, Sanjay Mavinkere Rangappa, Suchart Siengchin, J.H.O. Nascimento   +4 more
doaj   +1 more source

Thin-Film Metamaterials called Sculptured Thin Films

, 2010
Morphology and performance are conjointed attributes of metamaterials, of which sculptured thin films (STFs) are examples. STFs are assemblies of nanowires that can be fabricated from many different materials, typically via physical vapor deposition onto
A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Lakhtakia, A. Shalabaney, A.C. Popta van, A.L. Elias, B. Dick, D.-X. Ye, D.-X. Ye, E. Ertekin, E. Schubert, F. Wang, F. Wang, F. Wang, F. Zhang, F. Zhang, G.K. Kiema, H. Tan, I. Hodgkinson, I.J. Hodgkinson, I.J. Hodgkinson, I.J. Hodgkinson, J.A. Polo, J.A. Polo Jr, J.A. Polo Jr, J.A. Reyes, J.A. Sherwin, J.A. Sherwin, J.A. Sherwin, J.B. Geddes III, J.C. Sit, J.J. Steele, J.J. Steele, J.M. Nieuwenhuizen, J.N. Broughton, K. Robbie, K. Robbie, K. Robbie, K.D. Harris, M. Malac, M. Suzuki, M.A. Motyka, M.A. Motyka, M.C. Demirel, M.C. Demirel, M.O. Jensen, M.W. Horn, M.W. Horn, M.W. Seto, N. Verplanck, N.O. Young, P.C.P. Hrudey, R. Messier, R. Messier, R. Messier, R. Walser, R.J. Carey, R.J. Martín-Palma, R.J. Martín-Palma, R.J. Martín-Palma, S. Pursel, S. Tsoi, S.M. Pursel, T. Motohiro, T.G. Mackay, V.C. Venugopal, V.C. Venugopal, Y. Inoue, Y. Zhou, Y.J. Park   +83 more
core   +1 more source

Optimally Sparse Frames [PDF]

, 2011
Frames have established themselves as a means to derive redundant, yet stable decompositions of a signal for analysis or transmission, while also promoting sparse expansions.
Casazza, Peter G., Heinecke, Andreas, Krahmer, Felix, Kutyniok, Gitta   +3 more
core   +1 more source

A Hybrid Transfer Learning Framework for Brain Tumor Diagnosis

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
A novel hybrid transfer learning approach for brain tumor classification achieves 99.47% accuracy using magnetic resonance imaging (MRI) images. By combining image preprocessing, ensemble deep learning, and explainable artificial intelligence (XAI) techniques like gradient‐weighted class activation mapping and SHapley Additive exPlanations (SHAP), the ...
Sadia Islam Tonni, Md. Alif Sheakh, Mst. Sazia Tahosin, Md. Zahid Hasan, Taslima Ferdaus Shuva, Touhid Bhuiyan, Muhammad Ali Abdullah Almoyad, Nabil Anan Orka, Md. Tanvir Rahman, Risala Tasin Khan, M. Shamim Kaiser, Mohammad Ali Moni   +11 more
wiley   +1 more source

Editorial

Suprema, 2021
Pedro Felipe de Oliveira Santos, Alexandre Reis Siqueira Freire, Lívia Gil Guimarães, Bruna de Bem Esteves   +3 more
doaj   +3 more sources