propylene polymerization high acivity catalyst.it belongs to the ziegler-nata catalyst system.it possesses the advantage of catalytic high- activity,adjustable isotactic index.sensitive hydrogen adjustment.stable usage and well-distributed and adjustable particle size of catalyst. characteristic and...
poly(propenonitrile) (polyacrylonitrile) poly(tetrafluoroethene) (polytetrafluoroethylene) polyurethanes silicones metals aluminium copper iron lead magnesium steel titanium zinc bromine although some bromine compounds can be very harmful to the environment (for example bromomethane leads to depletion of...
phenol nonyl phenol para tertiary butyl phenol (ptbp) melamine gum rosin paraformaldehyde contact us lauric acid lauric acid or systematically dodecanoic acid, the saturated fatty acid with a -carbon atom chain, thus falling into the medium chain fatty acids, is a white, powdery solid with a faint odor of...
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"these were: . loading of metric tons of tuna fish or tuna loins per day in any of the nine cold rooms. the product temperature at loading can be as high as °c. cooling to °c core temperature must be achieved within hours. . energy efficiency. . no ammonia evaporators or piping are allowed inside or...
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