The low pulsation rate and gentle performance of this Roots-type positive displacement pump is achieved due to a combination of its two 90° helical twisted rotors, and a triangular shaped sealing line configuration, both at the point of suction and at the point of discharge.
My main efforts focussed on trying to identify the rate controlling steps during the cell cycle. Crucial for this analysis were wee mutants that were advanced prematurely through the cell cycle and so divided at a reduced cell size. Paul Nurse
For my children, it makes sense to talk about modernizing Social Security, letting them create stronger personal accounts, letting them get a higher rate of return over the long run. John Sununu
I started reading and talking and interviewing nutritionists and a thread was starting to form for me which is - a protein digests in a different rate of speed than a carbohydrate. Suzanne Somers
The postage required for postcards is generally less than postage required for standard letters; however, certain technicalities such as their being oversized or having cut-outs may result in payment of the first-class rate being required.
Could you let me have the 3 weeks due to me now and if I work again before August I must of course repay you at the rate of exchange you let me have it at now if you kindly will. Basil Rathbone
It is not by the absolute quantity of produce obtained by either class, that we can correctly judge of the rate of profit, rent, and wages, but by the quantity of labour required to obtain that produce. David Ricardo
In Great Britain the price of food is at a higher level than in any other country, and consequently, the British artisan labours at a disadvantage in proportion to the higher rate of his food. Joseph Hume
While there is a chance of the world getting through its troubles, I hold that a reasonable man has to behave as though he were sure of it. If at the end your cheerfulness in not justified, at any rate you will have been cheerful. H. G. Wells
