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Titlebook: Concise Introduction to Cement Chemistry and Manufacturing; Tadele Assefa Aragaw Book 2018 Springer Nature Switzerland AG 2018

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樓主: HIV763
21#
發(fā)表于 2025-3-25 04:46:40 | 只看該作者
22#
發(fā)表于 2025-3-25 10:28:30 | 只看該作者
Adjustment Assistance and Structural SupportPortland cement was first introduced in 1824 by Joseph Aspdin, a brick layer from Leeds, England [5]. On setting, the color of cement resembles the color of rocks near Portland, England, hence the name.
23#
發(fā)表于 2025-3-25 12:54:13 | 只看該作者
Public Procurement and Technical BarriersThe manufacture of cement [2] is composed of two independent processes.
24#
發(fā)表于 2025-3-25 19:22:28 | 只看該作者
25#
發(fā)表于 2025-3-25 23:56:19 | 只看該作者
Trade Facilitation Capacity NeedsPortland cement is a finely ground material. It therefore readily absorbs moisture even from the atmosphere. It is therefore essential to protect it from dampness during storage. Lack of proper care may cause setting of cement or reduction in its strength due to partial setting. Following precautions must as such be taken in storing cement.
26#
發(fā)表于 2025-3-26 02:23:49 | 只看該作者
The Composition of Portland Cement and Production Process,Portland cement was first introduced in 1824 by Joseph Aspdin, a brick layer from Leeds, England [5]. On setting, the color of cement resembles the color of rocks near Portland, England, hence the name.
27#
發(fā)表于 2025-3-26 06:09:02 | 只看該作者
Manufacturing Portland Cement,The manufacture of cement [2] is composed of two independent processes.
28#
發(fā)表于 2025-3-26 10:35:34 | 只看該作者
Different Kinds of Cement,The following are some of the important kinds of cements manufactured to suit the different requirements.
29#
發(fā)表于 2025-3-26 16:36:02 | 只看該作者
30#
發(fā)表于 2025-3-26 16:48:48 | 只看該作者
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