The main goal of this paper is showing the end-winding effect on copper losses. Copper losses at high frequency are dominated by the skin and proximity effects. A time-varying current has a tendency to concentrate near the surfaces of conductors, and if the frequency is very high, the ...
Purpose To measure the effect of increasing kilovoltage peak (kVp) and copper filtration thickness on entrance skin exposure and contrast resolution for ch... V Balac,R Grossman,R Griswold,... - 《Radiologic Technology》 被引量: 0发表: 2023年 Chest radiography with a flat-panel detector: ima...
Skin-derived progenitors (SKP) are capable of generating both neural and mesodermal progeny in vitro: neurons, Schwann cells, adipocytes, osteocytes and chondrocytes, thus exhibiting characteristics similar to embryonic neural crest stem... MT Zhao,X Yang,K Lee,... - 《Reproduction Fertility & De...
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Measurements on the catheter laboratory unit showed that the tube voltage would need to be raised above the normal diagnostic range to obtain an equivalent entrance dose reduction without the filter. The blackening of films under the patients showed complex patterns, but the estimated skin doses ...
Background Copper is an essential mineral involved in the formation and stabilisation of extracellular skin proteins. As copper can be absorbed through intact skin, we reasoned that using socks containing copper-impregnated fibres may have an effect on skin elasticity. Methods A double blind, placebo...
GHK-Cu has found a use in the cosmetics industry, where its collagen production stimulating effect is used in anti-aging/reparative skin creams. GHK-Cu also exhibits therapeutic effect on hair loss. Copper peptides, in the carrier category, are a tri-peptide (made up of three amino acids)...
Effect of locally applied anti-inflammatory substances on rat skin wounds. Indomethacin and phenylbutazone were without effect on wound healing in non-toxic doses. Thus, although wounding the skin elicits a sequence of responses typical of those observed in many types of inflammation, these response...
The exposed worker also suffers from metal fume fever; chills, muscle aches, nausea, fever, dry throat, coughing, weakness, lassitude, irritation of the eyes and the upper respiratory tract, discolored skin and hair, and acute lung damage. Occupational workers exposed to copper dust suffer from...
Trace metal elements such as Cu, Fe, and Zn have a regulatory effect at the cellular and molecular level on fungal growth and concomitant mycotoxin synthesis [121]. Koffler et al. [122] and Vaughn and Weinberg [123] reported that the specific concentration of Cu can be critical for the fo...