Results 31 to 40 of about 1,612,198 (310)

Proton translocation in proteins [PDF]

, 1989
The active transport of protons across the low dielectric barrier imposed by biological membranes is accomplished by a plethora of proteins that span the ca. 40 Å of the phospholipid bilayer.
Chan, Sunney I., Copeland, Robert A.
core   +1 more source

Effect of Li content on precipitation behavior and mechanical properties of Al–Cu–Li alloys under aging treatment

Journal of Materials Research and Technology
The influence of Li content (0.25, 0.85 and 1.20 wt%) on the precipitation behavior and mechanical properties of Al–Cu–Li alloys was systematically investigated under two aging conditions (direct aging at 175 °C and 3.5 % pre-stretching followed by aging
Pengcheng Chen, Xiwu Li, Kai Wen, Ying Li, Qilong Liu, Chenyang Xun, Wei Xiao, Bin Zhou, Lizhen Yan, Zhihui Li, Yongan Zhang, Baiqing Xiong   +11 more
doaj   +1 more source

The quality of the design project documentation in terms of technical expertise in Lithuania [PDF]

Инженерно-строительный журнал, 2010
In this paper general situation in civil engineering design documentation is reviewed. Some characteristic mistakes in design are presented.Using their experience in engineering examination of real structural designs, authors discuss statistical data of ...
M. Samofalov, V. Papinigis
doaj  

Enhanced fatigue crack propagation performance in a high Mg-containing Al–Mg–Zn–Si alloy via two-step aging: Role of precipitation characteristics in the matrix and grain boundary

Journal of Materials Research and Technology
Fatigue crack propagation (FCP) performance of a high Mg-containing Al–Mg–Zn–Si alloy is critical for further application. Here we detailedly investigate FCP behavior and fracture morphology of the alloy under selected single and double stage aging ...
Fei He, Kai Wen, Xiwu Li, Guanjun Gao, Kai Zhu, Hongwei Yan, Yanan Li, Mingyang Yu, Changlin Li, Lizhen Yan, Ying Li, Yongan Zhang, Baiqing Xiong   +12 more
doaj   +1 more source

The mathematical components of engineering expertise: the relationship between doing and understanding mathematics [PDF]

, 2002
this paper are extracts from our interviews with engineers.) Where, then, is the complex mathematics that certainly exists in modern engineering? Throughout all aspects of engineering design, computer software has an overwhelming presence.
Kent, Phillip, Noss, Richard
core   +2 more sources

Exploring Preferences for a Digital Single‐Session Intervention for Adolescent Siblings of Youth With Cancer

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro, Sarah Silver, Prishi Patel, Meredith K. Reffner Collins, Kimberly S. Canter, Stephanie Fooks‐Parker, Michael Amylon, Shawna V. Hudson, Jessica L. Schleider, Melissa A. Alderfer, Katie A. Devine   +10 more
wiley   +1 more source

Designing by Geometry. Rankine's Theorems of Transformation of Structures. [PDF]

, 2010
William John Macquorn Rankine (1820-1872) was one of the main figures in establishing engineering science in the second half of the 19th. Century. His Manual of Applied Mechanics (1858) gathers most of his contributions to strength of materials and ...
Huerta Fernández, Santiago
core   +1 more source

Предварительная оценка энергоэффективности зданий в условиях резко континентального климата [PDF]

, 2015
Construction of energy-efficient buildings becomes a top priority for many countries. Yet certain obstacles in achieving internal environment comfort standards remain in regions with extreme continental climate.
Elokhov, A. E., Maltseva, I. N., Mattia De Rosa, Noskov, A. S., Perminov, R. E., Мальцева, И. Н., Маттиа Де Роса, Носков, А. С., Перминов, Р. Э., Ёлохов, А. Е.   +9 more
core   +1 more source

Spatiotemporal and quantitative analyses of phosphoinositides – fluorescent probe—and mass spectrometry‐based approaches

FEBS Letters, EarlyView.
Fluorescent probes allow dynamic visualization of phosphoinositides in living cells (left), whereas mass spectrometry provides high‐sensitivity, isomer‐resolved quantitation (right). Their synergistic use captures complementary aspects of lipid signaling. This review illustrates how these approaches reveal the spatiotemporal regulation and quantitative
Hiroaki Kajiho, Shin Morioka, Junko Sasaki, Takehiko Sasaki   +3 more
wiley   +1 more source

Microscopic Mechanism of Doping-Induced Kinetically Constrained Crystallization in Phase-Change Materials. [PDF]

, 2015
A comprehensive microscopic mechanism of doping-induced kinetically constrained crystallization in phase-change materials is provided by investigating structural and dynamical dopant characteristics via ab initio molecular dynamics simulations.
Behrndt, Blöchl, Borisenko, Caravati, Cassinerio, Cho, Coey, Darmawikarta, Do, Duan, Felsch, Greer, Greer, Hegedus, Hwang, Jeong, Jeong, Kojima, Kolobov, Kolpin, Kresse, Kuzum, Lankhorst, Lee, Lee, Liu, Loke, Loke, Lu, Matsunaga, Matsuzaki, Perdew, Qiao, Raoux, Sandhya, Shelby, Skelton, Sun, Trappe, Wang, Wang, Wei, Wuttig, Yang, Yang, Zhou   +45 more
core   +1 more source