When the carrier packing density was 30%,hydraulic retention time was 7h(inc.

The results obtained from the parallel comparative tests showed that when the carrier packing density is 30~0_0, hydraulic raction time is 10 hours (including 3 hours for anaerobic zone and 7 hours for aerobic zone), influent pH is 6.

The effects of the mode of press-molding of RDX on the initiation strength of detonators are studied by system analysis of data of resulting charge loading density and density gradient.

Theoretical and experimental analysis under the conditions of various loading density,propellant,constant volume and variational volume are made.

Effect of packing density of hollow fiber contactors on shell-side mass transfer in distillation

In literature,the conclusions about the effect of packing density on mass transfer coefficient are inconsistent, which probably is due to the ignored effect of module wall and hollow fiber interaction.

In this paper, on the basis of analyzing the complex swing characteri sties of the points on the plane of moving jaw, the reasonable mobile state of the crushing stone in crushing chamber are defined, and the methods for analyzing and computing the falling height of the each crushing layer and its packing density are presented.

By analyzing the volume mass-transfer coefficient,the optimal operating flow-ratio and packed density were obtained.