The nitrosation of acetylacetone (AcAc) has been revised in an aqueous acid medium of perchloric acid and buffers of mono-, di-, or tri-chloroacetic acid. The results show that in the presence of buffers, under conditions of [nit] ≪ [AcAc] (nit = sodium nitrite) the reaction cannot be studied by UV-Vis spectroscopy, contrary to the recently published paper by García-Rio et al. (J. Org. Chem., 2...

Methods for sizing project and feeding buffers for critical chain project management are investigated. Experiments indicate that – in the absence of bias, and for certain classes of bias – buffer consumption is independent of the mean duration of a chain. Generally the popular method – a buffer size equal to 50% of the longest path leading to it – gives rise to excessively large buffers. Buffer...

This paper investigates important problems involved in the design of a CML buffer as well as a chain of tapered CML buffers. A new design procedure to systematically design a chain of tapered CML buffers is proposed. The differential architecture of a CML buffer makes it functionally robust in the presence of environmental noise sources (e.g., crosstalk, power/ground noise). The circuit design ...

This paper presents a synthesis algorithm for pipelined circuits. The circuit is specified as a collection of independent, looselycoupled modules connected by queues. The synthesis algorithm transforms this asynchronous, modular specification into a synchronous, tightlycoupled, and fully pipelined circuit in which queues are implemented as finite buffers. Data is read from the buffers at the be...

Abshrrct: Resistance of VLSI interconnections has become significant due to large die sizes and sub-mkm geometries in high performance designs. Previous studies have proposed optimal repeater schemes wing slmple buffers for delay optimization of the interconnection. This paper proposes a more general approach that handles arbitrary logic gates as well as buffers. The methodology is based on an ...

Passive environment-assisted communication takes place via a quantum channel modeled as unitary interaction between the information carrying system and an environment, where latter is controlled by passive helper, who can set its initial state such to assist sender receiver, but not help actively adjusting her behaviour depending on message. Here we investigate transmission capabilities in this...