Hand pounding

In making the foregoing mixtures, if enow he not at 1 reduction is not so great , yet, when the compounds hand, pounded ice may be employed with equal effect, are finely powdered, and the solution rapidly effected, When mixtures of salts and water are token, the the cold produced is very intense — ... 

Extraction rate, % Whole Sorghum too Hand-Pounded 74.1 Mechanical Decorticated and Hammer-Milled 77.4 Roller-Milled 83.5... 

Kebaldle, M.M., Rooney, L.W., and Taylor, J.R.N. 2007. Effects of hand pounding, abrasive decortications-hammer mflling, roUer milling and sorghum type on sorghum meal extraction and quahty. Cereal Foods World 52(3) 129-137. 

The removal of the two alkyl groups comprises the two primai y steps, the abstraction of the ethyl group being the dominant one. These products show up first, as can be seen on the left-hand side of Figure 10.3-14, It can also be seen that it is expected that after one year an apprceiable amount of s-triazine eom-pounds will still be found in the soil. 

The actual yield may be obtained from algebraic calculations or trial-and-error calculations when the heat effects in the process and any resultant evaporation are used to correc t the initial assumptions on calculated yield. When calculations are made by hand, it is generally preferable to use the trial-and-error system, since it permits easy adjustments for relatively small deviations found in practice, such as the addition of wash water, or instrument and purge water additions. The following calculations are typical of an evaporative ciy/staUizer precipitating a hydrated salt, if SI units are desired, kilograms = pounds X 0.454 K = (°F 459.7)/I.8. 

If calculated pressure drop from inlet to outlet of line system (not including control or hand valves) is greater than approximately 10%, but less than about 40% of the inlet pre.s.sure Pi (pounds per. square inch gauge), the Darcy equation will yield reasonable accuracy when using a specific volume based on the average of upstream (inlet) and do vnstream (outlet)... 

In fruit penetration studies 8 pounds of fruit were first thoroughly scrubbed with warm 10% trisodium phosphate solution and then rinsed thoroughly with distilled water. Citrus fruits, if depth of penetration into the peel was of interest, were peeled in longitudinal sections with a buttonhook peeler and the albedo or white portion was separated from the flavedo or colored portion. The separated peel was placed in pie tins lined with waxed paper and dried in a forced draft oven at 65° C. for 16 hours. The dried peel was then crushed and steeped for 48 hours in a measured volume of benzene sufficient to cover the sample. If, on the other hand, only the total amount of DDT in the peel was of interest, the fruit was halved and juiced on a power juicer. The pulp was removed, the peel sliced, and the sample dried and treated as before. Thin-skinned fruits, such as apples, pears, and avocados, were peeled with a vegetable peeler, cores or seeds were removed, and the pulp was sliced in thin slices. Pulp and peel were then dried and treated in the same way as the citrus peel. The steeping completed, the samples were filtered through Sharkskin filter paper and the volume of benzene recovered was noted. 

The constraints with the largest absolute Avalues are the ones whose right-hand sides affect the optimal value function V the most, at least for b close to b. However, one must account for the units for each bj in interpreting these values. For example, if some bj is measured in kilograms and both sides of the constraint hjix) = bj are multiplied by 2.2, then the new constraint has units of pounds, and its new Lagrange multiplier is 1/2.2 times the old one. 

In the pure state m- and p-nitrophenols are colourless, but the o-com-pound, on the other hand, is yellow. The salts of all three, however, are intensely coloured, the o- and wi-compounds being orange-red and orange-yellow and the p-compound deep yellow. (Use of p-nitro-phenol as an indicator.)... 

Ground covers in banana plantations are favorable for retention of moisture. A desirable ground cover consists of broad-leafed plants, but grasses predominate in many areas. Chemical control of grasses is not favored because banana plants are sensitive to chemicals, so the areas are hand chopped at frequent intervals. The banana plant is a rapid growing, highly succulent, perennial herb that is easily damaged with as little as 7.5 pounds of CMU [3-(p-chlorophenyl)-l,l-dimethylurea] per acre applied in a semicircular strip within 2 feet of the plant. This plant is sensitive to 2,4-D and can be injured by low concentrations. 

Every year 10% of the American chemists spend 40 hours in conference rooms and use 19 pounds of paper. Even if this statement is not a truthful one, it expresses one of the well established forms of scientific statements, namely a statistical one. We are quite used to dealing with statistics, the collection and analysis of data and the drawing of conclusions from this data ( 2. ) In a scientific way, this mode constitutes no problem. On the other hand compare these two statements Get a shot against the flu because only very few of the inoculated people will get the flu, versus Get a shot against the flu, because only 3% of the inoculated people will get the flu . The second statement provides more precise information than the first. 

The Pound-Knight type of spectrometer has the disadvantage that the dispersion mode is not observed. The dispersion mode is important for the study of solids, since it does not saturate as readily as the resonance absorption in most solids 46), and in some cases (long thermal relaxation time) is the only mode that gives a measurable signal. On the other hand, high temperatures (up to 600°) are more conveniently attained with the Pound-Knight type spectrometer the conventional crossed-coil versions have been somewhat limited (up to 300°) in this respect. 

This effectively doubled the area available to harvest for human consumption by allowing two processors to operate simultaneously without interfering with each other. One processor operated at Polly Creek with 15 to 20 hand-diggers while the other moved into the Crescent River bar area with about 30 individuals hand-digging. Approximately 70 percent of the 1981 harvest, or 315,000 pounds, came from Crescent River bar ( ). 

The most economically important group of natural plant insecticides are the pyrethrins, a group of six closely related esters extracted from pyrethrum (Chrysanthemum clnerariaefollum) flower heads (Figure 1). Pyrethrum has been used as an insecticide since at least the early 1800 s in Persia and Yugoslavia. By 1828 pyrethrum was being processed for commercial Insect control, and by 1939 imports of pyrethrum into the United States reached a peak of 13.5 million pounds. Use of the natural product declined in the early 1950 s because of the advent of synthetic pyrethroid analogs (for example, allethrins), which were both more stable and more effective in the field. The present worldwide demand for pyrethrum flowers remains in excess of 25,000 tons annually and is satisfied by the estimated 150 million flowers still hand-harvested daily, predominantly in natural stands and cultivated fields in Kenya, Tanzania, and Ecuador (9 ). 

At the age of 40, Henry inherited a fortune of more than a million pounds, though it is not known which of his relatives the money came from. Although he was now one of the richest men in England, he spent little on himself. The clothing he wore consisted of frayed family hand-me-downs of the style of the previous century. Cavendish didn t entertain, and his dinner each night consisted of a leg of mutton— and nothing else. 

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