نتایج جستجو برای: corrosive properties
تعداد نتایج: 871535 فیلتر نتایج به سال:
There is an ever-greater emphasis on the maintenance of professional standards in communication among medical professionals. Much of the focus to date revolves around discourse between patients and families in the clinical arena and reflects standards developed by accrediting agencies and the government. Little has been written about the communication among professionals occurring in the admini...
Waterborne epoxy resin (WEP) has been widely used as an anti-corrosive coating for metals. However, it is still a big challenge to further improve its anti-corrosion performance due the poor barrier properties corrosive media. In this study, fluorinated graphene (FG) was filler in WEP properties, which contributes corrosion resistance enhancement. The chemical composition and microstructures of...
Parylene N is a primary dielectric, exhibiting a very low dissipation factor, high dielectric strength, and a dielectric constant invariant with frequency. This form has the highest penetrating power of all the Parylenes. Parylene C has a useful combination of electrical and physical properties plus a very low permeability to moisture and other corrosive gases. Along with its ability to provide...
Time of wetness, 2 SO and − Cl pollutants are three key factors for the selection of metal materials in engineering applications and the determination of atmospheric corrosivity categories. In the past, when one or more corrosive factors data is missing, corrosive factors categories were often subjectively determined according to expert experience. In order to overcome such difficulty, this pap...
The preparation of polyaniline/zeolite nanocomposite coating on 304 stainless steel (304 SS) surface has studied via the galvanostatic method. The electro-generated coating was characterized by Fourier transform infrared spectroscopy (FT-IR), UV-visible absorption spectroscopy, X-ray diffraction (XRD) patterns and scanning electron microscopy (SEM). The anticorrosion property of polyaniline/zeo...
Chromate conversion coatings have been in service for decades providing robust corrosion protection to a wide variety of aluminum alloys. However, it is also known that anti-corrosive containing Cr 6+ contributes DNA damage, cause cancer and are not environmentally friendly. Consequently, regulatory restrictions over the use were established mitigate environmental damage health problems. To ans...
Corrosive esophagitis is characterized by caustic injury due to the ingestion of chemical agents, mainly alkaline substances such as detergents. Esophageal bleeding, perforation, or stricture can be worsened by high-degree corrosive esophagitis. Picosulfate is a commonly used laxative frequently administered for bowel preparation before colonoscopy or colon surgery. Picosulfate powder should be...
BACKGROUND the ingestion of chemical agents, of caustic nature, represents a serious problem for clinical toxicology. If the ingestion doesn't cause death during the acute period, it will most often cause severe side effects in the upper gastrointestinal tract during the chronic phase. AIMS The purpose of this study is to show the clinical, epidemiological and socio-economical characteristics...
We establish an asymptotic representation formula for the steady state currents caused by internal corrosive parts of small Hausdorff measures. Based on this formula we design a non-iterative method of MUSIC (multiple signal classification) type for localizing the corrosive parts from voltage-to-current observations.
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