投射技术
发表于 2025-3-21 17:17:35
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Mortar
发表于 2025-3-21 23:23:09
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colostrum
发表于 2025-3-22 00:56:04
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思想上升
发表于 2025-3-22 07:06:19
George W. Ware where there is strong friction between grains. A typical picture will be of powder gently poured into a container, where it sits under gravity (Fig. 4.1a). If a force . is applied it will compact (Fig. 4.1b) and retain this, when . is removed, to a smaller volume (Fig. 4.1c). If . is now increased
没血色
发表于 2025-3-22 09:51:39
George W. Wareow the motion of selected “elementary” mechanical entities composing a larger system, and constitutes one approach to what we call here “discrete mechanics.” The purpose of this chapter is not to review the field of discrete mechanics, but to address in an eclectic way issues and problems arising in
Rejuvenate
发表于 2025-3-22 13:46:23
George W. Ware additional magnetic field can be analyzed analytically. It was shown (Berggren ., 1986), that the additional magnetic field increases the ID subband spacing, so that lD-subbands are shifted above the Fermi energy if the magnetic field is increased. Consequently, these subbands are depopulated, resu
有助于
发表于 2025-3-22 20:26:14
George W. Ware states. As we shall see in this chapter even the phenomenon of conductance quantization in quantum point contacts depends more on the quantization of the carrier supply function than on an intrinsic quantum transport process. This paradox may be understood on the basis of rigorous quantum transport
MODE
发表于 2025-3-22 23:32:21
Acrylamide, it is used in grouts and soil stabilizers. As a polymer, acrylamide is also used as a flocculant in drinking water and wastewater treatment plants, as an additive for enhanced oil recovery, as a fog dissipator, soil stabilizer, paper and paperboard strengthener, adhesive and binder component, and i
interior
发表于 2025-3-23 02:53:14
Barium,ner 1969). Other uses are summarized by Pidgeon (1964). The properties of barium and its salts are unique to the specific compound. For the structures and properties of barium, barium chloride, and barium sulfate (also known as barite), see Tables 1, 2, and 3, respectively.
gregarious
发表于 2025-3-23 09:34:34
Chromium,n, for metal finishing and corrosion control (Love 1947), and as mordants in the textile industry (Iler 1954). Chromium salts are used as anticorrosive agents in cooling waters, in the leather tanning industry, in the manufacture of catalysts, in pigments and paints, and in fungicides and wood prese