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The table shows how the two systems rate high-brightness papers, but there is no simple way to convert between the two systems because the test methods are so different. [4] The ISO rating is higher and can be over 100. This is because contemporary white paper incorporates fluorescent whitening agents (FWA). Because the ISO standard only ...
Active oxygen bleaching agents include sodium perborate, sodium percarbonate, sodium perphosphate, sodium persulfate, and urea peroxide. These compounds release hydrogen peroxide during the wash cycle, but the release of hydrogen peroxide is low when these compounds are used in temperatures below 45 °C (113 °F).
Recycling of used paper before the industrialisation of paper production, rag paper was recycled to make low-grade board. A process for removing printing inks from recycled paper was invented by German jurist Justus Claproth in 1774. [2] He practiced together with German paper producer Johann Engelhard Schmid. Today this method is called deinking.
Windows Update Agent on Windows 10 supports peer-to-peer distribution of updates; by default, systems' bandwidth is used to distribute previously downloaded updates to other users, in combination with Microsoft servers. Users may optionally change Windows Update to only perform peer-to-peer updates within their local area network. [27]
CCleaner (/ ˈ s iː ˌ k l iː n ər /; originally meaning "Crap Cleaner"), [6] developed by Piriform Software, is a utility used to clean potentially unwanted files and invalid Windows Registry entries from a computer. It is one of the longest-established system cleaners, first launched in 2004. [7]
It can query, configure, install and uninstall Windows features such as locale settings, language packs, optional components, device drivers, UWP apps, or Windows updates. DISM can perform these tasks on the live (running) Windows instance, an offline instance in another partition, or a Windows installation image inside a WIM file.
The Windows Installer CleanUp Utility is a legacy software utility for the Microsoft Windows operating system designed to solve installation problems of apps that use the Windows Installer technology. An app whose Windows Installer entries are damaged cannot be uninstalled or reinstalled via the normal means.
Paper chemicals designate a group of chemicals that are used for paper manufacturing, or modify the properties of paper. These chemicals can be used to alter the paper in many ways, including changing its color and brightness, or by increasing its strength and resistance to water. [1] The chemicals can be defined on basis of their usage in the ...