The invention concerns a method for feeding liquid into a gas phase reactor. According to the invenfion, the liquid is fed into the reactor through a mixer. Thus the liquid can be distributed very evenly into the reactor. The method can be used especially in polymerization processes.

In a distributed system, where data is maintained in at least two databases and the data includes at least one data element, the amount of data transmitted during data recovery is minimized by comparing a first total of the data elements of the data in a first database with a second total of a corresponding data elements of corresponding data in a second database. An updating procedure for the dat...

Method for producing graphite intercalation compounds using a thermal polyphosphoric acid which is added to the intercalation agent or to the graphite. Preferably, the thermal polyphosphoric acid is used in a mixture with red, fuming nitric acid. The products produced from the graphite intercalation compounds via the expanded graphite stage, such as graphite foils, graphite laminates or graphite ...

Electric motor (2) has propeller (4) on shaft (3). The outer casing (5) for the motor is arranged so that the motor is cooled by the water directly through the casing. The shaft is supported by bearings (7) in gaskets to completely isolate the motor from the water and from the attachment assembly (9). -

An aircraft includes a fuselage (10) having a lower fuselage part (12) and a fluid tank (17) located adjacent the lower fuselage part (12), the flu id tank (17) being at least partially filled with fluid (18) and an open cell foam material (20) so that in the event of impact on the lower fuselage part (12) , fluid is constrained to flow through the foam material (20) to provide controlled deformat...

The cleaning device comprises an air intake cone (11) and motor part (12) arranged in series, in addition to nozzles (13) for spraying small amounts of finely divided liquid against the object. The nozzles are arranged symmetrically in the outer wall (111) of the cone, relatively close ot the boundary (112) between the cone and motor part. Jets of liquid (131) emerge from the nozzles at an angle o...

The drum door (16) and outer door (20) are designed so that when they are open they form the bottom and side walls of a loading channel leading into the interior of the drum (11). The machine comprises a pressurised vessel (10) containing a rotatably washing drum and having an access opening (13) in one vessel end wall (12) sealable by a pressure-tight door (14), whilst another of the vessel wall...

The cleaning device comprises an air intake cone (11) and motor part (12) arranged in series, in addition to nozzles (13) for spraying small amounts of finely divided liquid against the object. The nozzles are arranged symmetrically in the outer wall (111) of the cone, relatively close ot the boundary (112) between the cone and motor part. Jets of liquid (131) emerge from the nozzles at an angle o...