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TWO:When you find it very necessary, yet very difficult, to gain any intelligence of the enemy, there is another expedient, though a cruel one. You take a rich burgher, possessed of rich lands, a wife, and children. You oblige him to go to the enemys camp, as if to complain of hard treatment, and to take along with him, as his servant, a spy who speaks the language of the country; assuring him at the same time that, in case he does not bring the spy back with him, after having remained a sufficient time in the enemys camp, you will set fire to his house, and massacre his wife and children. I was forced to have recourse to this cruel expedient. It answered my purpose.173

Membrane separation type solvent dehydration system

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:
  • 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:He could not but respect his wife. Her character was beyond all possible reproach. She never uttered a complaint, was cheerful and faithful in every duty. She had rooms assigned her on the second floor of the Berlin palace, where she was comfortably390 lodged and fed, and had modest receptions every Thursday, which were always closed at nine oclock. A gentleman writes from Berlin at this time:

The aromatic polyimide membrane is highly permeable to water vapor but less permeable to vapors of organic compounds such as alcohol etc.

THREE:Weissenfels was a small duchy in Saxony. The duke, so called by courtesy, had visited Berlin before in the train of his sovereign, King Augustus, when his majesty returned the visit of Frederick William. He was then quite captivated by the beauty and vivacity of Wilhelmina. He was titular duke merely, his brother being the real duke; and he was then living on his pay as officer in the army, and was addicted to deep potations. Carlyle describes him as a mere betitled, betasseled, elderly military gentleman of no special qualities, evil or good. Sophie Dorothee, noticing his attentions to Wilhelmina, deemed it the extreme of impudence for so humble a man to aspire to the hand of her illustrious child. She reproved him so severely that he retired from the court in deep chagrin. He never would have presumed to renew the suit but for the encouragement given by Frederick William.We rose from table. As we had to pass near him in going out, he aimed a great blow at me with his crutch, which, if I had not jerked away from it, would have ended me. He chased me for a while in his wheel-chair, but the people drawing it gave me time to escape to the queens chamber.
  • 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:Though Fritz wrote a legible business hand, was well instructed in most points of useful knowledge, and had a very decided taste for elegant literature, he never attained correctness in spelling. The father was bitterly opposed to Latin. Perhaps it was the prohibition which inspired the son with an intense desire to learn that language. He took secret lessons. His vigilant father38 caught him in the very act, with dictionary and grammar, and a teacher by his side. The infuriated king, volleying forth his rage, would have caned the teacher had he not in terror fled.5

Acetone, ethanol, methyl ethyl ketone, butanol, isopropyl alcohol, ethyl acetate, methyl isobutyl ketone, others (including hexane and toluene).