A process for recovering nickel and cobalt values from nickel- and cobalt- containing laterite ores as an enriched mixed nickel and cobalt sulphide intermediate and for producing nickel and cobalt metal from the nickel and cobalt sulphid e intermediate. The laterite ore is leached as a slurry in a pressure acid lea ch containing an excess of aqueous sulphuric acid at high pressure and temperature,...

A separator to separate oil and debris from an aqueous fluid includes a container with a cover, the top portion of which includes a control panel access door. The separator draws an aqueous fluid with one or a plurality of skimmers that float on the aqueous fluid inside one or a plurality of corresponding reservoirs. When the separator is operating, the surface portion of the aqueous fluid is draw...

Le procédé de gestion coordonnée d'une pluralité (12) de lecteurs (12a,12b,12c) radiofréquence sans contact de jetons (15a,15b,15c) à puce électronique (16) du type à cycle de transmission/réception Tx/Rx comportant la transmission Tx d'une commande du lecteur vers les puces suivie de la réception Rx de la réponse d es puces (16) vers le lecteur (12a,12b,12c), comprend une synchronisation des cycl...

Method and apparatus for handling calls in a packet network is described. In one example, call requests are received at a network element. For each call request of the call requests: A dialed number associated with the call request is identified. A current number of calls established by the packet network for the dialed number is determined. The current number of established calls is compared to a...

The method is for the recovery and conversion of exothermic process heat and a corresponding portion of endothermic process heat in connection with the reformation of alkaline earth metals. It involves heat treatment/combustion and/or extinguishing in at least one reaction vessel during a reaction program within the pressure interval 2-220 bar and the temperature interval 110-2000 degrees Celsius....

A diagnostic method for an evaporative emission control system of an automotive vehicle determines functionality of one of a purge valve and/or a vacuum switch and valve assembly. The vacuum switch and valve assembly is located between a carbon canister and atmosphere and is either open or close d according to whether the system is in a high or low negative pressure condition. A controller determi...

A bin assembly capable of being secured to a work surface such as a table to p includes an enclosure secured to the work surface. A platform and an elevating mechanism , which is capable of moving the platform vertically, are contained within the enclosure. The assembly also includes a cover pivotally secured over the enclosure and connected to the elevating mechanism for selectively operating the...

A blind rivet for a threaded joint between a support member and a mounti ng member consists of a body of elastic material and a sleeve of metallic material. The body is formed as a sleeve-shaped shank adapted to be inserted into a mounti ng hole of the support member. The shank has a mounting flange and a folding zone adapted to be folded into a fold by a folding operation. The mounting flange and...

A fuel cell stack (44) comprises multiple fuel cell assemblies (10), wherein each fuel cell assembly (10) includes a fuel cell (12) comprising an anode layer (14), a cathode layer (16), and an electrolyte (18) interposed between the anode layer (14) and the cathode layer (16). The fuel cell assembly (10) further comprises an anode interconnect (20) and a cathode interconnect (26), wherein the anod...

There is disclosed a runner (20) for a Francis-type hydraulic turbine (18) where each runner blade (38) has an outlet edge (44) with two stress relieving grooves (46) cut through the blade (38) from the outlet edge (44) adjacent the crown (36) and the band (40). The grooves (46) each present an opening (48) across the outlet edge (44) and the grooves (46) each extend a predetermined distance from ...

A device and method for making a peripheral device compliant with a power management standard, such as the USB standard, are described. The device includes a power management unit (PMU) and a timing unit. The PMU is coupled to a battery pack and to a processor of the peripheral device, and manages power allocated to the processor. The timing unit sends electrical signals to the input terminals of ...

An internet protocol loopback wireless data protocol converter for a mobile device having: at least one loopback interface; at least one internet protocol serv er operating on one or more ports of the at least one loopback interface; a wireless optimized data communications module to connect to a wireless data infrastructure to send and receive wireless optimized data; and at least one protocol co...

The invention concerns a process for evaluating the degree of phenolic ripeness of a fruit, advantageously but not exclusively grapes, that includes the measurement of the intensity of an electromagnetic wave that has passed through a portion of a skin of the fruit and an operation for correlating the intensity with a specific classification of percentages of polyphenolic substances present in the...

Plastic material is injected into a chamber defined between a female mold member and a male mold member, while air is evacuated from the chamber. In the evacuation step, the air contained in the forming chamber progressively exits from the mold under the pressure of the melted plastic material through a multiplicity of slits made on the female element at different heights along the above-mentioned...