Results 121 to 130 of about 613,644 (396)

Bulk Density Measurement by a New Tapping System

open access: yesKONA Powder and Particle Journal, 2014
A new tapping system has been developed to measure bulk densities of powdery materials and to study their compaction characteristics. The new tapping system has an electronic monitor of impact acceleration to observe the peak value of impact acceleration,
Akira Suganuma   +2 more
doaj   +1 more source

Prevalence of neonicotinoid insecticides in paired private-well tap water and human urine samples in a region of intense agriculture overlying vulnerable aquifers in eastern Iowa [PDF]

open access: green, 2023
Darrin A. Thompson   +14 more
openalex   +1 more source

Enhanced Spontaneous Oscillations in the Supplementary Motor Area Are Associated with Sleep-Dependent Offline Learning of Finger-Tapping Motor-Sequence Task

open access: yesJournal of Neuroscience, 2013
Sleep is beneficial for various types of learning and memory, including a finger-tapping motor-sequence task. However, methodological issues hinder clarification of the crucial cortical regions for sleep-dependent consolidation in motor-sequence learning.
M. Tamaki   +7 more
semanticscholar   +1 more source

Slowing fastest finger movements of the dominant hand with low-frequency rTMS of the hand area of the primary motor cortex [PDF]

open access: yes, 2018
Neuroimaging studies suggest that the primary hand motor area and the cerebellum play a pivotal role in the control of finger tapping, but their differential contribution in this task is unknown.
Benilow, S.   +3 more
core  

Multi‐Faceted Binder Enhancement via Slurry‐Applicable Thiol‐Ene Click Chemistry for Low‐Pressure‐Operable All‐Solid‐State Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Cross‐linked binders with enhanced resiliencies under low operating pressures are designed via in situ thiol‐ene click reactions within slurries. Cross‐linking improves the Young's moduli and elasticities of the styrene‐butadiene rubber binders, effectively mitigating interparticle delamination within the composite cathodes induced by volumetric ...
Young Joon Park   +9 more
wiley   +1 more source

Repeated Bout Rate Enhancement Is Elicited by Various Forms of Finger Tapping

open access: yesFrontiers in Neuroscience, 2018
Voluntary rhythmic movements, such as, for example, locomotion and other cyclic tasks, are fundamental during everyday life. Patients with impaired neural or motor function often take part in rehabilitation programs, which include rhythmic movements ...
Anders Emanuelsen   +6 more
doaj   +1 more source

Trends in mechanical fasteners [PDF]

open access: yes, 1972
Some of the specialty fasteners which are enjoying increasing usage are: thread rolling screws, self drilling and tapping screws, locking screws, tamperproof fasteners, and flanged bolts and nuts.
Levy, J. B.
core   +1 more source

Harnessing bifurcations in tapping-mode atomic force microscopy to calibrate time-varying tip-sample force measurements

open access: yes, 2007
Torsional harmonic cantilevers allow measurement of time varying tip-sample forces in tapping-mode atomic force microscopy. Accuracy of these force measurements is important for quantitative nanomechanical measurements.
Sahin, Ozgur
core   +1 more source

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