Abstract: A heat exchanger, turbulizer or heat transfer surface, and a method of making same wherein the turbulizer is a corrugated member having parallel, spaced-apart ridges and planar fins extending therebetween. The planar fins have spaced-apart apertures with opposed peripheral edge portions including transversely extending flanges.

Abstract: A device and method for processing decoke effluent to remove particulate matter and pollutant gases is provided, with particular concern for meeting ever more stringent environmental standards.

Abstract: A device and method for processing decoke effluent to remove particulate matter and pollutant gases is provided, with particular concern for meeting ever more stringent environmental standards.

Abstract: A heat exchanger, turbulizer or heat transfer surface, and a method of making same wherein the turbulizer is a corrugated member having parallel, spaced-apart ridges and planar fins extending therebetween. The planar fins have spaced-apart apertures with opposed peripheral edge portions including transversely extending flanges.

Abstract: A heat exchanger, turbulizer or heat transfer surface, and a method of making same wherein the turbulizer is a corrugated member having parallel, spaced-apart ridges and planar fins extending therebetween. The planar fins have spaced-apart apertures with opposed peripheral edge portions including transversely extending flanges.

Abstract: This invention describes a convenient method for the preparation and use of a ruthenium catalyst for a chiral reduction of ketones and imines.

Abstract: This invention describes a convenient method for the preparation and use of a ruthenium catalyst for a chiral reduction of ketones and imines.

Abstract: A wireless communication network comprises a plurality of wireless communication nodes, each wireless communication node comprising a first wireless access point and a second wireless access point coupled to the first wireless access point. The first wireless access point is configured in a first mode to wirelessly communicate with at least one wireless client and with a wireless access point of another wireless communication node. The second wireless access point is configured to wirelessly communicate with a wireless access point of a different other wireless communication node. Multiple wireless communication nodes according the present invention may be coupled together to form a wireless bridged network.

Abstract: Data processing apparatus which is particularly adapted to facilitate trading in raw cotton includes a buyers register and a sellers register. Registered sellers submit details of raw cotton which they have available for sale and registered buyers submit purchase offers. The purchase offers are matched with the cotton which is for sale and the sellers offer with the lowest asking price is selected and a purchase proposal is generated. The proposal can be accepted or rejected by the buyer, who also has the option of submitting a counter-proposal. When an offer is accepted, subject to a biometric security check, a contract is electronically generated and exchanged between the parties so that the entire process may be concluded without human intervention. The trading process is simplified, is carried out quickly and efficiently, and costs are reduced.

Abstract: A liquid storage tank and non-permanent baffle system, wherein the storage tank encloses a liquid storage space, wherein the system includes the liquid storage tank, an opening provided in a surface of the liquid storage tank, and a plurality of spherical baffle balls introduced into the liquid storage tank through the opening, wherein the baffle balls substantially fill the liquid storage space within the liquid storage tank, and wherein the diameter of the baffle balls is slightly smaller than the diameter of the opening in the liquid storage tank.

Abstract: Filled paper is made by adding a cationising amount of cationic polymer to a slurry of precipitated calcium carbonate, mixing this slurry into a cellulosic suspension and forming a thin stock, adding anionic particulate material to the suspension before or after the slurry, mixing a polymeric retention aid into the thin stock which includes the precipitated calcium carbonate and the anionic particulate material, draining the thin stock on a screen to form a sheet and drying the sheet. A suitable slurry for this purpose is a slurry of 5 to 70% by weight precipitated calcium carbonate and cationic polymer selected from 0.1 to 1% cationic starch and 0.01 to 0.3% of a high charge density, relatively low molecular weight, cationic polymer.

Abstract: Filled paper is made by adding a cationising amount of cationic polymer to precipitated calcium carbonate or other filler either as a slurry or in a thick stock component, producing a thin stock containing the cationised filler and then treating the thin stock with a formaldehyde resin and polyethylene oxide as a retention system prior to drainage and drying.