Abstract: Methods, systems, and arrangements enable point of use replenishment coupled with available centralized oversight. In accordance with certain embodiment(s), when inventory reaches a pre-set level, a code representative of the particular stock is input into a device. The device may be used to forward the code to a central database repository. From the central database repository, a purchase order may be sent to a pre-identified supplier. The supplier may thereafter ship the stock directly to the point of use, where a receipt and/or a code indicative of the new stock may be entered into the system (e.g., using the device). A centralized authority may be granted access to the central database repository to enable review, modification, configuration, etc. of all or a part of the total inventory situation. Notably, any or all of the transmissions and communications may be effectuated using the Internet and/or an Internet browser.

Abstract: Use of an inorganic or organic zinc compound and a terminal epoxide compound, optionally with chalk, gives a high level of stabilization of PVC.

Abstract: A brake-pressure control device is disclosed with a service-brake valve for allocating pressure from a supply source, and via an automatically load-dependent brake-power controller to the wheel-brake cylinders of a rear axle and from a supply source to the wheel-brake cylinders of a front axle of a motor vehicle. Wear sensors are provided for detecting the respective residual lining thickness of the wheel-brake linings, the output signals from the wear sensors being fed to control electronics which, in the event of differing wear of the linings on the two axles, generate a signal for activating a solenoid valve, which corrects the brake pressure on the wheel brakes of one axle. Instead of correcting the brake pressure on the wheel brakes of the respective axle which have greater wear in comparison with the wheel brakes of the other axle, according to the invention a correction of the brake pressure takes place always only on the wheel brakes of one axle only this axle being assigned a solenoid valve.

Abstract: The invention relates to a process for improving the quality of mixing of liquid especially viscous media in stirred tank reactors, wherein a change in direction of the medium set in motion is brought about at one point or at several points of the inner wall of the reactor at different levels, in a direction vertical to the angle of approaching flow (attack). The process is especially suitable for fermentation reactions.The invention moreover relates to a corresponding stirred tank reactor.