1. A method for manufacturing plate glass, characterized by including: forming glass, the glass to be subjected to forming being at a glass transition temperature or higher at which the viscosity is 103 poises or more and 106 poises or less, at least one side of the glass facing a base material for letting out and taking in a gas, the glass being held in a dynamic pressure equilibrium state of both of a gas being compression ejected and a gas being decompression discharged to outside the system, and a tensile stress in the direction parallel with the surface of glass andor a compression stress in the direction vertical to the surface of glass, being applied thereto.
2. The method for manufacturing plate glass according to claim 1, characterized in that the gas to be discharged is in two modes of ordinary pressure and reduced pressure states.
3. The method for manufacturing plate glass according to claim 1, characterized in that both sides of the glass to be subjected to forming are put in a gas environment.
4. The method for manufacturing plate glass according to claim 1, characterized in that at least a part of the base material for letting out and taking in the gas is a rotary roll or in the shape of a roll.
5. The method for manufacturing plate glass according to claim 1, characterized in that at least one side of the glass surfaces undergoes surface holding of the base material under the dynamic pressure equilibrium of the gas.
6. The method for manufacturing plate glass according to claim 1, characterized by using a roll in which a given area of the base material holds the glass in a dynamic pressure equilibrium state of the gas being compression ejected and the gas being decompression sucked to outside the system, and the other area expresses the dynamic pressure equilibrium state of the gas being compression ejected and the gas being discharged to outside the system under ordinary pressure.
7. The method for manufacturing plate glass according to claim 1, characterized in that the gas contains air or water vapor as a main component.
8. The method for manufacturing plate glass according to claim 1, characterized in that the base material moves at a different speed from the moving speed of the glass to be subjected to forming.
9. The method for manufacturing plate glass according to claim 1, characterized in that the gas is ejected and discharged through small holes with an average diameter of 5 mm or less, substantially uniformly distributed on the base material.
10. The method for manufacturing plate glass according to claim 1, characterized in that the base material for letting out and taking in the gas is in the shape of a bed, and a force for expanding the opposite sides of the moving glass outwardly is applied by rotations of gas ejectiondecompression discharge rolls extending in the direction of movement of glass on opposite sides of the bed.
11. An apparatus for manufacturing plate glass, characterized by including: forming glass, the glass to be subjected to forming being at a glass transition temperature or higher at which the viscosity is 103 poises or more and 106 poises or less, at least one side of the glass facing a base material for letting out and taking in a gas, the glass being held in a dynamic pressure equilibrium state of both of a gas being compression ejected and a gas being decompression discharged to outside the system, and a tensile stress in the direction parallel with the surface of glass andor a compression stress in the direction vertical to the surface of glass, being applied thereto.
12. The apparatus for manufacturing plate glass according to claim 11, characterized in that the gas to be discharged is in two modes of ordinary pressure and reduced pressure states.
13. The apparatus for manufacturing plate glass according to claim 11, characterized in that both sides of the glass to be subjected to forming are put in a gas environment.
14. The apparatus for manufacturing plate glass according to claim 11, characterized in that at least a part of the base material for letting out and taking in the gas is a rotary roll or in the shape of a roll.
15. The apparatus for manufacturing plate glass according to claim 11, characterized in that at least one side of the glass surfaces undergoes surface holding of the base material under the dynamic pressure equilibrium of the gas.
16. The apparatus for manufacturing plate glass according to claim 11, characterized by using a roll in which a given area of the base material holds the glass in a dynamic pressure equilibrium state of the gas being compression ejected and the gas being decompression sucked to outside the system, and the other area expresses the dynamic pressure equilibrium state of the gas being compression ejected and the gas being discharged to outside the system under ordinary pressure.
17. The apparatus for manufacturing plate glass according to claim 11, characterized in that the gas contains air or water vapor as a main component.
18. The apparatus for manufacturing plate glass according to claim 11, characterized in that the base material moves at a different speed from the moving speed of the glass to be subjected to forming.
19. The apparatus for manufacturing plate glass according to claim 11, characterized in that the gas is ejected and discharged through small holes with an average diameter of 5 mm or less, substantially uniformly distributed on the base material.
20. The method for manufacturing plate glass according to claim 11, characterized in that the base material for letting out and taking in the gas is in the shape of a bed, and a force for expanding the opposite sides of the moving glass outwardly is applied by rotations of gas ejectiondecompression rolls extending in the direction of movement of glass on opposite sides of the bed.
21. A product manufactured by the method for manufacturing plate glass according to claim 1.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An isopropyl alcohol-producing Escherichia coli comprising an isopropyl alcohol production system, wherein an activity of transcriptional repressor GntR is inactivated, and the isopropyl alcohol-producing Escherichia coli comprises a group of auxiliary enzymes having an enzyme activity expression pattern with which isopropyl alcohol production capacity achieved by the inactivation of the GntR activity is maintained or enhanced.
2. The isopropyl alcohol-producing Escherichia coli according to claim 1, wherein the enzyme activity expression pattern of the group of auxiliary enzymes is selected from the group consisting of:
(1) maintenance of wild-type activities of glucose-6-phosphate isomerase (Pgi) activity, glucose-6-phosphate 1-dehydrogenase (Zwf) activity and phosphogluconate dehydrogenase (Gnd) activity;
(2) inactivation of glucose-6-phosphate isomerase (Pgi) activity and enhancement of glucose-6-phosphate 1-dehydrogenase (Zwf) activity; and
(3) inactivation of glucose-6-phosphate isomerase (Pgi) activity, enhancement of glucose-6-phosphate 1-dehydrogenase (Zwf) activity and inactivation of phosphogluconate dehydrogenase (Gnd) activity.
3. The isopropyl alcohol-producing Escherichia coli according to claim 2, wherein the glucose-6-phosphate 1-dehydrogenase (Zwf) activity is derived from a gene encoding glucose-6-phosphate 1-dehydrogenase (Zwf) derived from a bacterium of the genus Escherichia.
4. The isopropyl alcohol-producing Escherichia coli according to claim 1, wherein the isopropyl alcohol production system is constituted by enzyme genes of acetoacetate decarboxylase, isopropyl alcohol dehydrogenase, CoA transferase and thiolase.
5. The isopropyl alcohol-producing Escherichia coli according to claim 1, wherein the isopropyl alcohol production system is constituted by enzyme genes of acetoacetate decarboxylase, isopropyl alcohol dehydrogenase, CoA transferase and thiolase, and each of the enzyme genes is independently derived from at least one prokaryote selected from the group consisting of a bacterium of the genus Clostridium, a bacterium of the genus Bacillus and a bacterium of the genus Escherichia.
6. The isopropyl alcohol-producing Escherichia coli according to claim 4, wherein the acetoacetate decarboxylase activity is derived from an enzyme-encoding gene derived from Clostridium acetobutylicum, the isopropyl alcohol dehydrogenase activity is derived from an enzyme-encoding gene derived from Clostridium beijerinckii, and the CoA transferase activity and the thiolase activity are derived from enzyme-encoding genes derived from Escherichia coli.
7. The isopropyl alcohol-producing Escherichia coli according to claim 4, wherein at least one selected from the group consisting of the isopropyl alcohol dehydrogenase activity and the acetoacetate decarboxylase activity is derived from a gene or genes introduced as a modified gene or modified genes.
8. The isopropyl alcohol-producing Escherichia coli according to claim 7, wherein the modified gene of the isopropyl alcohol dehydrogenase has a base sequence represented by SEQ ID NO: 40, and the modified gene of the acetoacetate decarboxylase has a base sequence represented by SEQ ID NO: 43.
9. The isopropyl alcohol-producing Escherichia coli according to claim 4, further comprising at least a sucrose hydrolase gene from among sucrose non-PTS genes.
10. A method of producing isopropyl alcohol, comprising producing isopropyl alcohol from a plant-derived raw material using the isopropyl alcohol-producing Escherichia coli of claim 1.
11. A method of producing acetone, comprising:
obtaining isopropyl alcohol from a plant-derived raw material using the isopropyl alcohol-producing Escherichia coli of claim 1; and
contacting the obtained isopropyl alcohol with a complex oxide as a catalyst that includes zinc oxide and at least one oxide containing a Group 4 element, and that is prepared by coprecipitation.
12. A method of producing propylene, comprising:
contacting isopropyl alcohol that is obtained from a plant-derived raw material using the isopropyl alcohol-producing Escherichia coli of claim 1 and that contains acetone, with a solid acidic substance and a Cu-containing hydrogenation catalyst as catalysts, at a reaction temperature within a range of from 50 to 300\xb0 C.
13. The method of producing propylene according to claim 12, wherein the Cu-containing hydrogenation catalyst is a catalyst that further includes at least one element selected from the group consisting of Group 6, Group 12 and Group 13 elements.
14. The method of producing propylene according to claim 12, wherein the solid acidic substance is zeolite.