Results 31 to 40 of about 1,013,107 (304)

The effects of surface defects on the fatigue of water and oil lubricated contacts [PDF]

, 2000
A study into effects of surface defects on the rolling contact fatigue of brass and rail steel has been undertaken on a twin-disc rolling-sliding test machine with both oil and water lubrication.
Gao, N., Dwyer-Joyce, R. S.
core   +1 more source

Determination of a representative food mass-to-surface area ratio (mF/A) for estimating migration values of food contact substances in single use food contact articles marketed in the United States

Frontiers in Food Science and Technology
When reviewing the safety of food packaging, safety assessors must determine the migration levels of a food contact substance (FCS) from the packaging into the contained food products.
Lauren M. Zhovmer, Andres M. GonzalezBonet, Madhur Garg, Allan B. Bailey, Kirk B. Arvidson   +4 more
doaj   +1 more source

Experimental and numerical study on permeability hysteresis of a single fracture subjected to loading and unloading of confining pressure

Yantu gongcheng xuebao
Groundwater flow in fractured rock mass mainly depends on the hydraulic conduction characteristics of fracture network, especially for low permeability rocks, such as granite.
WANG Xue 1, SUN Changlun 2, YU Long 1, ZOU Liangchao 3, ZHUANG Li 1
doaj   +1 more source

Lattice Boltzmann phase-field modeling of thermocapillary flows in a confined microchannel [PDF]

, 2014
To understand how thermocapillary forces manipulate the droplet motion in a confined microchannel, a lattice Boltzmann phase-field model is developed to simulate immiscible thermocapillary flows with consideration of fluid–surface interactions.
Valocchi, Albert J., Zhang, Yonghao, Kang, Qinjun, Liu, Haihu   +3 more
core   +1 more source

Mass-Ratio Determination in Contact Binaries [PDF]

Symposium - International Astronomical Union, 1974
In the wake of recent theoretical work on contact systems (e.g. Whelan, 1972; Biermann and Thomas, 1972; Lucy, 1968), it is of importance to determine fundamental data from observations. This has been done recently by several groups in analysing light curves (Mochnacki and Doughty, 1972; Hutchings and Hill, 1973; Wilson and Devinney, 1973), and it is ...
openaire   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

CCD Photometry of Low Mass Ratio Contact Binary FP Boo - IV [PDF]

Journal of Astronomy and Space Sciences, 2009
We present new B, V, and R CCD photometric light curves for the low mass ratio contact binary FP Boo. A new photometric solution and absolute physical dimensions of the system were derived by applying the Wilson-Devinney program to our observed light ...
Kyu-Dong Oh, Woo-Baik Lee
doaj   +1 more source

Development of contact detection method between tool cutting edge and workpiece (Influence of contact state onto vibration characteristics and contact detection during milling operation)

Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2023
The contact between a tool and workpiece during machining has a significant effect on the vibration characteristics of machine tools. This study proposes a method for detecting contact between a tool and workpiece, and demonstrates applications of the ...
Yu IGARASHI, Ryuta SATO, Keiichi SHIRASE
doaj   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

FEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai, Mizuki Seo, Gyath Karadsheh, Fachrur Rizal Mahendra, Máté Á Demény, Ferenc Győry, János András Mótyán, László Fésüs, Endre Kristóf, Rini Arianti   +9 more
wiley   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

FEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source