Sentence examples for ppm were added from inspiring English sources
Different amounts of nitrogen from 1000 to 14,000 wt ppm were added into the Ti48Zr20Nb12Cu5Be15 bulk metallic glass composites.
When small amounts of N2O (300 ppm, 1000 ppm) were added to the feed, yield and selectivity to H2 and CO increased.
In this work, the corrosion process of AISI 1020 in crude oil, to which different amounts of sea water (0.5 and 4.0% v/v), naphthenic acid (500 and 3000 ppm), and H2S (50 and 1000 ppm) were added, was investigated using electrochemical noise at open circuit potential.
10 shrimps, 5 ml sea water and extract in concentrations 10, 100 and 1000 ppm were added to a vial.
Briefly, 0.25 ml of extract solution (200 ppm), were added to 2 ml 0.36 mM DPPH● solution.
After about one day of reaction, three portions of dibutyltin dilaurate (20 ppm) were added within 1 day in order to reach molecular weight of 110 kDa.
From the CA-V-1A compound, which is the one with the highest protein adsorption capacity, the same formulation was used to synthesize compound P-1000 in which a solution of 1000 ppm is added to MHH during preparation.
For inhibition property on barium sulfate (Fig. 5b), when the optimal dosage at 70 °C (40 ppm) was added, the nearly identical inhibition rate (96%%) can be obtained at 80 and 90 °C.
To minimize oxidation, ascorbate (100 ppm) was added to the HPLC eluant, and the resulting HPLC-purified 11C MET was stable in the final formulation solution without noticeable degradation for up to 1 h after the end of synthesis.
The present contribution shows that the mechanism is the same as that evidenced recently in Al Zn alloys, when small amounts of Cr (1000 ppm) are added to the melt (Kurtuldu et al., 2013).
Nevertheless, when minute amounts of Ir (≲200 ppm) are added to the gold alloy melt, it is shown that the grain refinement from 248 to 30 μm is accompanied by a spectacular increase in the fraction of twinned grain boundaries, i.e. from less than 1% without Ir to 11% with 200 ppm Ir.
