Results 11 to 20 of about 56,079 (211)

Which urban communities are susceptible to COVID-19? An empirical study through the lens of community resilience

open access: yesBMC Public Health, 2022
Background After the lockdown of Wuhan on January 23, 2020, the government used community-based pandemic prevention and control as the core strategy to fight the pandemic, and explored a set of standardized community pandemic prevention measures that ...
Chunyu Shi   +3 more
doaj   +1 more source

Comprehensive Assessment of the Properties of Cotton Single Jersey Knitted Fabrics Produced From Different Lycra States

open access: yesAUTEX Research Journal, 2020
This research aims to evaluate the properties of cotton single jersey knitted fabrics (SJKF) produced from cotton/spandex yarns at different Lycra states.
Khalil Amany   +3 more
doaj   +1 more source

Challenges of open innovation: the paradox of firm investment in open-source software [PDF]

open access: yes, 2006
Open innovation is a powerful framework encompassing the generation, capture, and employment of intellectual property at the firm level. We identify three fundamental challenges for firms in applying the concept of open innovation: finding creative ways ...
Brandenburger A.M.   +23 more
core   +3 more sources

Fibered ribbon disks [PDF]

open access: yes, 2015
We study the relationship between fibered ribbon 1-knots and fibered ribbon 2-knots by studying fibered slice disks with handlebody fibers. We give a characterization of fibered homotopy-ribbon disks and give analogues of the Stallings twist for fibered ...
Larson, Kyle, Meier, Jeffrey
core   +1 more source

Stimuli-responsive electrospun fibers and their applications [PDF]

open access: yes, 2011
Stimuli-responsive electrospun nanofibers are gaining considerable attention as highly versatile tools which offer great potential in the biomedical field.
Braeckmans, Kevin   +6 more
core   +2 more sources

Noncontact electrical resistivity measurement technique for molten metals [PDF]

open access: yes, 1998
A noncontact technique of measuring the changes in electrical conductivity (or resistivity) of conducting liquids is reported. The technique is based on a conducting drop that is levitated by the high-temperature electrostatic levitator in a high vacuum.
Ishikawa, Takehiko, Rhim, Won-Kyu
core   +1 more source

Ectopic A-lattice seams destabilize microtubules [PDF]

open access: yes, 2014
Natural microtubules typically include one A-lattice seam within an otherwise helically symmetric B-lattice tube. It is currently unclear how A-lattice seams influence microtubule dynamic instability.
A des Georges   +54 more
core   +1 more source

ANALYSING THE PHYSICAL AND MECHANICAL PROPERTIES OF CORE-SPUN YARNS [PDF]

open access: yesAnnals of the University of Oradea: Fascicle of Textiles, Leatherwork, 2018
Core spun yarn is also named as complex, compound, composite or hybrid yarn can be defined as the combination of filament and staple fibres. A filament which is called core is covered by staple fibres called sheath. In this study, it was aimed to analyse
BALCI KILIC Gonca
doaj  

Embeddings of 3-manifolds in S^4 from the point of view of the 11-tetrahedron census

open access: yes, 2020
This is a collection of notes on embedding problems for 3-manifolds. The main question explored is `which 3-manifolds embed smoothly in the 4-sphere?' The terrain of exploration is the Burton/Martelli/Matveev/Petronio census of triangulated prime closed ...
Budney, Ryan, Burton, Benjamin A.
core   +1 more source

Low-cost, precision, self-alignment technique for coupling laser and photodiode arrays to polymer waveguide arrays on multilayer PCBs [PDF]

open access: yes, 2008
The first, to our knowledge, passive, precision, self-alignment technique for direct coupling of vertical cavity surface emitting laser (VCSEL) and photodiode (PD) arrays to an array of polymer buried channel waveguides on a rigid printed circuit board ...
Milward, D   +3 more
core   +1 more source

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