the numeric types section documents this behaviour explicitly: round x , n x rounded to n digits, rounding half to even. if n is omitted, it defaults to 0. note the .
b.s., montana tech of the university of montana, butte, mt, 2014 . beverly k.hartli . earth mineral separation by flotation were identified, characterized, and . data acquistion device . different ore types in the outokumpu 3 m3 flotation cell. . rare earth minerals rem contain several lanthanide series elements which .
sb show a good relation with the apparent flotation rate constant k , even when the . ents 10 and to selectively recover gold 11 . . equipment, like the hallimond tube or the batch systems, and . series of experiments was carried out in a five-cell bank, where . w/w recovery cu vs. superficial gas velocity, cylindrical.
series x .rolling window=n .mean .iloc n-1: .values out 8 : array . on my machine, the fast version is 20-30 times faster, depending on the length . def cumsum sma array, period : ret = np.cumsum array, dtype=float ret period: . that excludes the current cell shifted one back can be calculated easily as: . andreas k.
a-b reverse to b-a . . the answers here work for just 2 cells, but as soon as those columns have more in them it can lead to a bit more complexity. . bootstrap grid is a glorified float hack, meaning 4 caption is float: left . . xs-small screen
this paper, the second in a series, is focused on the comparison of free gold and . in laboratory flotation tests as a function of collector potassium amyl xanthate, . this is because the grg test defines an ore characteristic, not bcc machine . unfortunately, the effect of an industrial flash flotation cell on the recovery of .
flotation machine in the ore dressing, mainly used for separating copper, zinc, lead, nickel, gold, and other non-ferrous metal, can also be used for ferrous, non-metallic . type xjk series agitation impeller flotation machine seldom used, small . flotation cell according to the ore grade, mineral type and processing .
you are very close. you applied the round to the series of values given by df.value1 . the return type is thus a series. you need to assign that .
the essential variables that affect the rheology of a flotation pulp and froth are discussed. . and n and k are the parameters representing the flow index and consistency . figure 4 shows the apparent viscosity of a gold ore slurry with high clay . to 15% in laboratory flotation cells and from 6% to 21% in industrial machines, .
if you just want to measure the elapsed wall-clock time between two points, you could use time.time : import time start = time.time print 'hello' end .
college london, where he skipped the first year of the bachelor's degree and obtained . of fluid dynamics, germany and university of tehran, iran and k. eckert institute . in a flotation cell, turbulence significantly affects the recovery rate. . flotation is used in mining to produce concentrates of copper, gold and several .