TWO:In this connexion, some importance must also be attributed to the more indirect influence exercised by children; These did not form a particularly numerous class in the upper ranks of Roman society; but, to judge by what we see in modern France, the fewer there were of them the more attention were they likely to receive; and their interests, which like those of the other defenceless classes had been depressed or neglected under the aristocratic rgime, were favoured by the reforming and levelling movement of the empire. One of Juvenals most popular satires is entirely devoted to the question of their education; and, in reference to this, the point of view most prominently put forward is the importance of the examples which are offered to them by their parents. Juvenal, himself a free-thinker, is exceedingly anxious that they should not be indoctrinated with superstitious opinions; but we may be sure that a different order of considerations would equally induce others to give their children a careful religious training, and to keep them at a distance from sceptical influences; while the spontaneous tendency of children to believe in the supernatural would render it easier to give them moral instruction under a religious form.Different kinds of gearing can be seen in almost every engineering establishment, and in view of the amount of scientific information available, it will only be necessary to point out some of the conditions that govern the use and operation of the different kinds of wheels. The durability of gearing, aside from breaking, is dependent upon pressure and the amount of rubbing action that takes place between the teeth when in contact. Spur wheels, or bevel wheels, when the pitch is accurate and the teeth of the proper form, if kept clean and lubricated, wear but little, because the contact between the teeth is that of rolling instead of sliding. In many cases, one wheel of a pair is filled with wooden cogs; in this arrangement there are four objects, to avoid noise, to attain a degree of elasticity in the teeth, to retain lubricants by absorption in the wood, and to secure by wear a better configuration of the teeth than is usually attained in casting, or even in cutting teeth.

Great attention is recently being paid to global environmental issues, and it is now conceivable that companies will need to treat used solvents themselves. In consideration of this kind of social issue, we have developed a “membrane separation type solvent dehydration system,” which uses a polyimide membrane with superior dehydration properties developed by Ube Industries, Ltd. in combination with our own distillation and concentration technology that has resulted in solvents being more easily recovered.
THREE:Prout was not surprised to receive the information that his quarry was still in London; indeed, he would have been astonished to know the contrary. Every port and every outgoing vessel had been carefully watched. Still, the woman had accomplices somewhere. It was absurd to believe that in the simple guise of a maid she could have found a hiding place where she would be safe from the grip of the law.
- 1Under the distillation system, even in case of azeotropic solvent compositions, this system which remove water vapor by the polyimide membrane will easily dehydrate.
- 2In comparison with the distillation system, it significantly saves on use of steam.
- 3Dehydration can be performed through merely supplying evaporated vapor to the membrane module and maintaining the differential pressure between the permeable side and the impermeable side.
- 4Solvent purity of 99.9% or more can be achieved by carrying out dehydration with a polyimide membrane only.
- 5The polyimide membrane has superior heat and solvent resistance. Therefore, the vapor permeation system reduces contamination of the membrane and thus extends its life.
THREE:Wind-power, aside from the objections of uncertainty and irregularity, is the cheapest kind of motive-power. Steam machinery, besides costing a large sum as an investment, is continually deteriorating in value, consumes fuel, and requires continual skilled attention. Water-power also requires a large investment, greater in many cases than steam-power, and in many places the plant is in danger of destruction by freshets. Wind-power is less expensive in every way, but is unreliable for constancy except in certain localities, and these, as it happens, are for the most part distant from other elements of manufacturing industry. The operation of wind-wheels is so simple and so generally understood that no reference to mechanism need be made here. The force of the wind, moving in right lines, is easily applied to producing rotary motion, the difference from water-power being mainly in the comparative weakness of wind currents and the greater area required in the vanes upon which the wind acts. Turbine wind-wheels have been constructed on very much the same plan as turbine water-wheels. In speaking of wind-power, the propositions about heat must not be forgotten. It has been explained how heat is almost directly utilised by the steam-engine, and how the effect of heat is utilised by water-wheels in [42] a less direct manner, and the same connection will be found between heat and wind-wheels or wind-power. Currents of air are due to changes of temperature, and the connection between the heat that produces such air currents and their application as power is no more intricate than in the case of water-power.
The aromatic polyimide membrane is highly permeable to water vapor but less permeable to vapors of organic compounds such as alcohol etc.
THREE:Yet Realism concealed a danger to orthodoxy which was not long in making itself felt. Just as the substantiality of individuals disappeared in that of their containing species, so also did every subordinate species tend to vanish in the summum genus of absolute Being. Now such a conclusion was nothing less than full-blown pantheism; and pantheism was, in fact, the system of the first great Schoolman, John Scotus Erigena; while other Realists were only prevented from reaching the same goal by the restraint either of Christian faith or of ecclesiastical authority. But if they failed to draw the logical consequences of their premises, it was drawn for them by others; and Ablard did not fail to twit his opponents with the formidable heresy implied in their realistic prin367ciples.534 As yet, however, the weight of authority inclined towards Platos side; and the persecution suffered by Ablard himself, as compared with the very mild treatment accorded to his contemporary, Gilbert de la Porre, when each was arraigned on a charge of heresy, shows that while the Nominalism of the one was an aggravation, the Realism of the other was an extenuation of his offence.535
- 1 Recovery of the detergent solvent Recovery of the cleaning solvent such as electronic parts industry, precision instrument industry.
- 2Solvent recovery and the refinement Solvent recovery and the refinement such as chemical industry, an industry of medical supplies, food industry, the fermentation industry.
THREE:The prisoner struck his breast theatrically.
Acetone, ethanol, methyl ethyl ketone, butanol, isopropyl alcohol, ethyl acetate, methyl isobutyl ketone, others (including hexane and toluene).