Results 91 to 100 of about 40,232 (200)

Definition and effect of chemical properties of surfaces in friction, wear, and lubrication [PDF]

open access: yes
Chemical properties relative to their role in adhesion, friction, wear and lubrication discussed in this paper will include: (1) adsorption, both physical and chemical; (2) orientation of the solid as well as the lubricant; (3) surface energy; (4 ...
Buckley, D. H.
core   +1 more source

Incidence of mayfly (Povilla sp.) infestation of wooden infrastructures of artisanal fishers in the lagoon and marine fisheries locations of Ogun State, Nigeria [PDF]

open access: yes, 2003
A diagnostic survey of the incidence of mayfly (Povilla sp.) infestation of wooden infrastructures of the artisanal fishers in ten (10) lagoons and marine fishing villages of Ogun States (Nigeria) was carried out through the application of structured ...
Adekoya, B.B., Olurin, K.B.
core  

Low-level laser therapy enhances osteogenic differentiation of gingiva-derived stem cells in 2D and 3D cultures

open access: yesScientific Reports
Modulation of cellular activity by low-level laser therapy (LLLT) has been widely studied, particularly in regenerative medicine. This study examined the effects of LLLT on the viability, osteogenic differentiation, and mineralization of gingiva-derived ...
Sung-Bin Lee, Hyunjin Lee, Jun-Beom Park
doaj   +1 more source

Modulation/demodulation techniques for satellite communications. Part 1: Background [PDF]

open access: yes
Basic characteristics of digital data transmission systems described include the physical communication links, the notion of bandwidth, FCC regulations, and performance measurements such as bit rates, bit error probabilities, throughputs, and delays. The
Omura, J. K., Simon, M. K.
core   +1 more source

LLLT IN CANADA

open access: yesLASER THERAPY, 1991
Lnoyd S. McKibbin, Robert Downie
openaire   +2 more sources

An analog technique for the measurement of damping from transient decay signals [PDF]

open access: yes
A tracking filter that includes an output that is logarithmically proportional to the amplitude of the filtered signal is used to measure the damping exponent of a transient decay.
Bousman, W. G.
core   +1 more source

Contact Whiskers for Millimeter Wave Diodes [PDF]

open access: yes
Several techniques are investigated for making short conical tips on wires (whiskers) used for contacting millimeter-wave Schottky diodes. One procedure, using a phosphoric and chromic acid etching solution (PCE), is found to give good results on 12 ...
Grange, J. A.   +2 more
core   +1 more source

Shush, -The New Password [PDF]

open access: yes, 2015
ESTIMATES OF THE intelligence of the average American ral~ge from very low to a little higher than very low, depending upon the amount of cynicism or the rosiness of the rose-colored glasses of the person computing the averages. These surveys may be well
Hopkins, Kenneth
core   +1 more source

Low-Level Laser Therapy for Pulpotomy Treatment of Primary Molars

open access: yesFrontiers in Dentistry, 2009
Objective: Low-level laser therapy (LLLT) has been increasingly in use over the last few decades in both medicine and dentistry. It has been suggested that LLLT may be helpful in pulpal wound healing following pulp exposure.
M. Vahid Golpayegani   +4 more
doaj  

Method of fan sound mode structure determination [PDF]

open access: yes
A method for the determination of fan sound mode structure in the Inlet of turbofan engines using in-duct acoustic pressure measurements is presented.
Pickett, G. F.   +2 more
core   +1 more source

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