Stable ethanolic aluminium nitride suspension prod. for wet moulding - by adding poly:carboxylic acid to give max. particle charge and amine as dispersant, esp. for electrophoretic moulding
DE4212714A1
Dry and wet recovery of unconsolidated material - using floating and dry dredgers, and central conveyor, which is moved by face width
DE4142253A1
Avoiding development of odour in drying metabolic waste - esp. stable manure or sewage sludge by mixing with soft lignite activated by very fine comminution and/or potassium chloride
DE4118752A1
Sintered ceramic spray granulate prodn. - by spraying ceramic dross into liq. cooling medium, removing granules, then freeze drying
DE4118754A1
Isotropic dumped column packing for heat and mass transfer - having open ribbon construction in cubic, rhombic, or dodecahedral shapes, for min. hydraulic flow resistance, high surface area, etc.
DE4118751A1
New N-substd. 3,3-imino:di:propionic acid derivs. - useful as surfactants, esp. flotation aids, flocculating agents, corrosion inhibitors and foaming agents for aerated concrete
DE4118755A1
Orderly packing for contacting fluid phases
DE4118753A1
Impeller cut-in and cut-out mechanism for multistage pump - has piston with rod, carrier, springs and fluid guides, the piston having positive and/or flexible connection with carrier
EP0510263A1
Quasidynamic heat storage apparatus using latent heat
DE4108369A1
Non-corrosive latent cold storage material based on ethylene glycol - contg. oxide crystallised in rutile system as nucleating agent to minimise supercooling
DE4108372A1
Asbestos-free talc hydrothermal synthesis - from silica, magnesium chloride and caustic soda, used in cosmetics and pharmaceutical industry
DE4108370A1
System for storing latent heat - is container with thermally conducting base and top and divided vertically into stages containing plastic tube filled with eutectic mixt.
DE4108371A1
Prodn. of fine grain magnesium hydrosilicate(s) - by reaction of silica raw materials with magnesium chloride soln. in autoclave
DD297238A5
Fast volume transmitter
DD297239A5
Arrangement and method for determining the strain status in fluids
DD296896A5
Device for reducing a girland-efficient tray roller set for founder belts
DD296868A5
Quick opening valve for generating strong pressure impulse and shock shafts
DD300981A7
Process for producing active coke from brown coal
DD295346A5
Process for the preparation of quartzern ammonium chlorides with urethane function
DD295351A5
Process for the preparation of w-mercapotalkylsulfides
