China's chemical market presents shock adjustment

In December 2006, affected by the slowdown in global economic growth and the overall oil price level in November, the price of domestic petrochemical products continued to fall slightly from high levels. With international crude oil prices stabilized and stabilized at around US$60/bbl, some organi

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US manufacturing expands for 15 consecutive months

According to a report released by the American Institute for Supply Management on the 1st, the US manufacturing activity index in October was 56.9, which was higher than the 54.4 in September, and achieved 15 consecutive months of expansion, indicating that the U.S. economy is gradually recovering.

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Leaching bacteria involved in gold ore

Microbial Biomass preoxidation process of functioning according to the suitable temperature range can be divided into mesophilic bacteria group (M esophile), moderate thermophilic bacterial group (Mode rat e t he rmophile) thermophilic bacteria and high temperature (Exterme the rmophile) Three group

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