Continuous 9-action

One of the problems generally associated with the utilization of additives is the continuous action under the engine s operating conditions. That is particularly important for polymers that are sensitive to mechanical deterioration due to shear effects. 

After about 4 to 12 hours the hides are drained, then floated with lime without additional sulfides. The dmm or hide processor is mn at slow speeds intermittently during the unhairing process. The continued action of the lime solution on the hides brings the pH to 12—13. At this pH the hides swell to about twice the original thickness. This swelling has a beneficial opening of the fibers to permit better tannage (Fig. 3a). 

Weiter-verarbeitung, /. further working or manufacture, subsequent treatment, -wir-kung, /. further action, continued action, weitgehend, p.a. far-reaching, extensive excessive. — adv. extensively, largely. Weithalsflasche, /. wide-necked bottle, weithalsig, a. wide-necked. 

As a plastic is subjected to a fixed stress or strain, the deformation versus time curve will show an initial rapid deformation followed by a continuous action. Examples of the standard type tests are included in Fig. 2-1. Details on using these type specimens under static and dynamic loads will be reviewed throughout this chapter. (Review also Fig. 8-9 that relates elasticity to strain under different conditions.)... 

If a material system experiences a continuous action, or a complete cycle of operations, of a perfectly reversible kind, the quantities of heat which it takes in at different temperatures are subject to a homogeneous linear equation, of which the coefficients are the reciprocals of these temperatures. If Qr be... 

Cervera and Levine [81] studied the mechanism of oxidative modification of glutamine synthetase from Escherichia coli. It was found that active oxygen species initially caused inactivation of the enzyme and generated a more hydrophilic protein, which still was not a substrate for the protease. Continuous action of oxygen species resulted in the formation of oxidized protein subjected to the proteolytic attack of protease. 

The portion boiling i2o-i3o°/i4 mm. only amounts to 15-30 g., showing that very little of the /3-compound is formed. This is further shown by the fact that the dichlorohydrin formed by continued action of hydrogen chloride under the same conditions contains very little, if any, a, /3 dichloride. 

There are inherent problems associated with enzyme-mediated methods, regardless of the method used. The right conditions must be met, of course, for the enzyme action to take place. Unlike fluorochromes or gold particles (two other marker compounds), enzymes need to act chemically for the assay to work. Also, the enzyme action must only represent the marker molecule. Endogenous enzyme or enzyme-like activity can create problems only realized in systems that use enzymes. Also, the use of enzymes demands more attention to detail because of the increase in sensitivity that is often obtained. The problem of unwanted reactivity is enhanced in enzyme-mediated reactions more so than in others, in part because of the additional level of sensitivity brought about by the continuous action on a substrate. 

The decomposition of the sugars in the hydrolyzate, when subjected to continued action of acid, was recognized by early investigators. It was found also that pentoses decomposed more rapidly than hexoses. In the work by Kressman this decomposition was studied and its control was employed as a means of increasing the amount of fermentable sugar in the hydrolyzate. In this work it was found that the maximum... 

This chapter will explain how polyurethanes can play important roles in achieving acceptable equilibrium. Before we begin that discussion, we should discuss our most visible environmental problem — treatment of human waste. In the previous section, we covered the establishment of the equilibrium of SOCs, VOCs, and lOCs. The environmental effects of our daily existence resulting from personal hygiene and personal waste control are of immediate concern. Arguably, the types of pollution mentioned in the previous paragraphs warrant continuous monitoring. Human sanitary waste disposal requires continuous action. 

Evidence of the need for continuous action can be found in the massive waste treatment plants in urban areas and septic systems in rural communities. In the developed world, the problem is under nominal control, and this allows us a complacency not evident in the rest of the world. In undeveloped countries, the return of water free of nutrients and bacteria to the enviromnent is a goal to be anticipated and a luxury few can afford. 

The reaction, of course, will not end there continued action of sulphurous acid results in the hydrolysis of the trithionate, with formation of tetra- and penta-thionates, and ultimately of sulphate and sulphur.4... 

Nitro-N-nitroso-3 -chloro-N-methylaniline or f 2-Nitro-5 -chlorophenyl)-methylni trosamine, (02N)C1.C6H3.N(N0).CH3, brn prisms(from hot ale), mp 67.5-68.5 was prepd by continued action of nitrous acid on an ale soln of... 

Dynamic equilibrium implies the simultaneous continuous action of opposing processes. The vapor pressure of a substance is the pressure exerted by the vapor of a substance when the vapor and its condensed phase are in dynamic equilibrium. 

When hydrogen sulfide reacts, with mercuric chloride in neutral or acid solution, or when mercury and sulfur are ground together, black mercuric sulfide is formed. Under certain conditions, this material can be converted into the red modification by the continued action of soluble alkali sulfides. The reaction of mercuric chloride and sodium thiosulfate gives the red form if the ratio of the concentrations is higher than 1 4d The red sulfide is also produced when the substance Hg(SH)NCS is boiled with concentrated ammonium thiocyanate solution or when hydrogen sulfide is conducted into a warm mercuric salt solution in the presence of acetic acid and an excess of ammonium thiocyanate, or thiourea.2,3... 

Jonson locates this and the next six scenes of Act III in Volpone s house. These constitute one continuous action. Volpone and Mosca are now dedicated to adding Celia to their treasure store. 

---