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This mill is widely used in metallurgy, construction material, chemical industry, mine, etc.(5) MTW series of grinding mill is used to grind non-flammable and non-explosive material with Moh's hardness below 9. Industrial powder is widely used in many fields. Fineness rang is between 33 and 600 micrometers.
The foundry sand, which is made by blending artificially produced spherical iron oxide, is kneaded in the same manner as before using various organic and inorganic binders, and the foundry sand composition. will be used as the curing agent for water glass.5 mm is used as a main mineral, and the total content of Fe 3 O 4 and FeO is 97% by weight or more.05 mm to 0. Specifically, in the furan resin, inorganic acids such as sulfuric acid, phosphoric acid, phosphoric acid ester, and pyrophosphoric acid, organic acids such as xylene sulfonic acid, toluene sulfonic acid, and benzene sulfonic acid are used. are used, and carbon dioxide, dicalcium silicate, organic ester, etc. Therefore, it will be used for making the target mold. Specifically, as the binder, inorganic binders such as clay (bentonite, etc.), water glass, silica sol, furan resin, phenol resin, furan phenol resin, phenol urethane resin, alkali phenol resin, etc. Moreover, a hardening | curing agent is used for these binders according to a kind. .And according to the present invention, with respect to the predetermined refractory particles, magnetite having a particle diameter of 0. In the resin, lactone acid, formate ester, methyl formate, triacetin, pyridine-based compound, etc. An organic binder is used.
Some of the SIRM of the untreated samples were measured using a spinner magnetometer (Natsuhara-Giken SMM-85) at GSJ.5 or 2.1 mT. Remanences were measured using the cryogenic magnetometers. ARM was imparted using cryogenic magnetometer systems at JAMSTEC (2G Enterprises 755R) and the Geological Survey Japan (GSJ) (2G Enterprises 760) with a peak alternating field of 80 mT and a DC bias field of 0.We analyzed the processed samples as well as untreated bulk sediment samples for comparison.7 T field at JAMSTEC and GSJ. IRM was imparted using a pulse magnetizer (2G Enterprises 660) with a 2. To estimate the abundance of magnetic minerals, we measured mass-specific anhysteretic remanence (ARM) and saturation isothermal remanence (SIRM).
A gradual increase was also observed when grinding nanosized powders. Delogu and Takacs (2018) detected an exponential grain size reduction during grinding of powders having particle size distribution in the micrometer range. Consequently, a high particle size distribution may require more time for the MCA to occur, while the nanosize particle distribution can lead to agglomeration and mechanical alloying, (Juh谩sz and Opoczky 1990; Delogu and Takacs 2018). Creation of melt-bridges and interpenetration of particles are considered to cause the grain growth.The initial particle size distribution of the processed material tends to influence the development of the mechanochemical reactions and the kinetics of the process.
We sampled 0.After measuring leaf water potential, we analyzed the concentration of nitrogen, chlorophyll, and leaf mass per area (LMA). The amounts of chlorophylls a and b were calculated in accordance with the previously reported equation ., Osaka, Japan). Chlorophyll was extracted from the leaves using dimethyl sulfoxide (DMSO), and then measured using a spectrophotometer. The remaining leaf samples were oven-dried at 70 °C for three days, and LMA (g·m−2) measured by the method of Larcher .66 cm2 of teak leaf samples in a freezer. Photosynthetic rate is closely related to concentrations of nitrogen [44,45,46], chlorophyll [47,48], and leaf thickness [49,50]. Leaf samples were ground to a fine powder using a sample mill (WB-1; Osaka Chemical Co. The results of the concentration of N were calculated from the area based on N (Narea) from the data of LMA. The concentration of N was determined using an NC analyzer (Sumigraph NC-220F, Sumika Chemical Analysis Service, Tokyo, Japan).
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