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(sample milled for 5 h after leaching with 4 mol/L HCl) were placed in an alumina boat and annealed in a tube furnace (ProthermTM) at 1500 °C for 4 h in flowing Ar atmosphere with a heating and cooling......
province [J]. Geology and Exploration, 2012, 48(2): 313-320. [27] SHIREY S B, WALKER R J. Carius tube digestion for low-blank rhenium- osmium analysis [J]. Anal Chem, 1995, 67: 2136-2141. [28] WIESER M......
]. Transactions of Nonferrous Metals Society of China, 2015, 25(7): 2352-2360. [5] Inoue M. Studies on ultrasonic metal tube drawing[J]. Memoira of Sagami Institute of Technology, 1985, 19: 1-7. [6......
B.V., Holland) with a Cu Kα radiation in the 2θ range of 20°-80° with an operating target voltage of 50 kV and a tube current of 100 mA using a scan step of 0.04°. Table 2 Parameters......
granule medium replaces the medium in existing flexible-die hot forming process, such as liquids, gases or viscous medium. Hot forming of thin-walled parts on light alloy sheet and tube can be realized......
Science and Engineering A, 2011, 528: 1071-1077. [26] KASSAM Z H A, WANG Z, HO E T C. Constitutive equations for a modified Zr-2.5wt.%Nb pressure tube material [J]. Materials Science and Engineering......
shaking for 1 h. Digestion is continued by heating the tube to 85 °C in a water bath for 2 h. A further 10 mL H2O2 is added and the digestion procedure is repeated. The cool moist residue......
Firstly, 5 g soil was weighed (AR2130, Ohaus Corp, China) and added into a 50 mL centrifuge tube. To reach the target contamination level of Pb(II), Cd(II) in the soil (1, 5, 10 mg/g), the amount......
and carbonate-associated fractions). Sludge samples (0.5 g) were introduced into a 50 mL polypropylene centrifuge tube containing 20 mL of acetic acid (0.1 mol/L) and then shaken for 16 h at room temperature......
B medium containing ZPT (pH 7.5) were transferred into 10 mL sterile centrifuge tube. The centrifuge tubes were put into an incubator at 35 °C for 50 h, and the peak absorbance at 600 nm (OD600......