A method for recovering sulfuric acid from a titanium sulfate waste liquor by diffusion dialysis in a diffusion dialytic cell provided with anion exchange membranes, which comprises subjecting the titanium sulfate waste liquor to precision filtration to remove a solid content having a particle size of at least 0.1 mu m to a level of not more than 100 mu g/ l , and placing the filtered liquor to ...

A speed increasing/decreasing mechanism (6) is interposed between a left-wheel axle (2) and a right-wheel axle (3). The mechanism (6) is constructed integrally of a speed increasing mechanism (6A) and a speed decreasing mechanism (6B). The speed increasing mechanism (6A) is adapted to increase a rotational speed of the left-wheel axle (2) and then to output the thus-increased rotational speed to a...

In a preferred method, an electrode (10) for a lead-acid battery is prepared in a new continuous process without the conventional curing step. The general procedure for preparing electrodes (10) according to the invention includes preparing a mixture (paste) comprising an active material precursor and an inhibitor. The active material precursor includes lead oxides having at least 10% by weight le...

Method for improving energy delivery during heating and melting of a scrap charge and depending on which channel is burnt into the charge, further energy delivery takes place through this channel. The method is characterised by the channel being burnt by means of a hot gas jet containing oxygen.

The element has two peripheral protrusions (3), between which the clamping band is axially fixed. An extension (4) is formed on at least one peripheral protrusion pointing towards the opposite protrusion, serving as a support for a radially protruding part of the clamping band lock (6). Pref. the extension is formed on each peripheral protrusion, the two extensions in mutual opposition. On at leas...

The solenoid has a soft magnetic material housing (1) into which is set an excitation coil (2) on a former (3) that surrounds a cylindrical armature element that moves axially. Connection with the coils is made via a socket (6) that is formed to fit around the body of the coil former and the main housing with connecting pins set into a sealing element (4). External connecting pins (12) are set wit...

The satellite printing presses (1,2) for sheet (3) printing, has a sheet inverter station (8) inserted between the two presses (1,2) when they are assembled together.

A colour measuring device measures the light transmitted through the material to be measured as well as the light reflected therefrom and the irradiated light and measures the colour reflectivity in the various spectral ranges by dividing the reflected intensity by the difference between the irradiated and transmitted intensity. The calculation of the colour reflectivity in the individual spectral...

A hammer mill for batchwise operation has a mill housing having a perforated screening plate intended for discharging a fine fraction of the milling material. A coarse fraction of the milling material is emptied through an emptying flap. A supply shaft opens tangentially into the milling chamber. The supply shaft is closed by a movable closure wall. In order to maintain short consistent treatment ...

A system for dynamic scan at cyclic displacement comprising: scanning means (11, 12) collecting projection data from a patient (10) by scanning a portion whose position varies cyclically over a period of time; detecting means (13) producing signals corresponding to the cyclical movement of the patient over said period of time; memory means (19) memorising said projection data from said scanner mea...

Material consists of pelletised scrap plastic particles (2), which when bound together leave channels (1) for passage of water and air.Plastic particles (2) are pref. glass fibre reinforced, pref. polyurethane, esp. microcellular polyurethane foam with a density of 0.3-3g/cm3, esp. 0.65g/cm3.

The invention relates to a novel ruthenium complex having the formula Ru(3C6H8-PCy2)(PCy3)Cl, wherein Cy is cyclohexyl; its use in the preparation of RuHCl(H2)(PCy3)2 and RuH2(H2)2(PCy3)2; and the use of the complexes as catalysts in hydrogenation, imination and reductive hydrolysis processes.

There is disclosed a control apparatus for controlling a plane working robot (1, 1A) comprising a running unit (14) for running on a plane surface, a steering unit for steering the running unit (15) in a predetermined direction, a working unit (13) for performing a predetermined plane working such as cleaning, and a detecting unit (16) for detecting various and actual informations about running di...

PCT No. PCT/FR91/00992 Sec. 371 Date Aug. 10, 1992 Sec. 102(e) Date Aug. 10, 1992 PCT Filed Dec. 10, 1991 PCT Pub. No. WO92/10289 PCT Pub. Date Jun. 25, 1992.A catalyst is provided based on chlorinated eta alumina incorporating platinum and germanium and tin, as well as chlorine. This catalyst can be used in a process for the isomerization of a charge rich in normal C4-C6-paraffins, without hydrog...

For each test element being tested in a clinical analyzer, there is a corresponding calibration curve. However, the calibration curve is defined by an equation having calibration coefficients which must be imparted to the analyzer so that the appropriate results can be calculated from the measurements taken off the test element. One way of imparting the calibration coefficients is to supply them i...

A distributed control system including a control station that takes charge of control operation, and a remote input/output device that is connected to the control station through a remote input/output bus. In a normal state, cyclic scan transmission is carried out by using the remote input/output bus so that input/output data handled by the control station and input/output data on the remote input...

The on-board navigation equipment includes digitally stored map data (2) concerning individual road details. Search equipment is also included to find a route for the vehicle between a given starting point and a destination point by means of a heuristic algorithm, which modifies the importance of a valuation function according to the map data stored. The search procedure is also modified in accord...

The present invention provides a thermal insulating foamed material with excellent thermal insulating properties and a method of manufacturing the same. The method comprises the steps of: concurrently mixing and blowing a polyurethane material to produce a foamed polyurethane resin composition with a multiplicity of closed cells, the polyurethane material including a reactive blowing agent, a vola...

This invention is directed to the creation of diamond coatings with enhanced adherence, nucleation density and uniformity on substrates. The method of this invention includes the formation of a carbide layer on a substrate surface prior to diamond coating deposition via a pretreatment stage using an unmodified oxy-acetylene combustion flame. The carbide layer may be formed at a temperature outside...

The invention relates to a method and a system for charging of a user of a telenetwork, especially a computer equipment offering chargeable services. In order to achieve a simple and reliable charging method: A) the identification number and the secret code of an account in a separate account register is given to the user, whereby for the charging of the user; B) the identification number and the ...