نتایج جستجو برای: rapid synthesis

تعداد نتایج: 702102  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

2003
Radha Sarma

This paper presents an assessment of the steps involved in trajectory synthesis (for example, trajectory layout, trajectory generation, trajectory spacing, trajectory postprocessing, and trajectory verification) for shape-creating manufacturing operations such as rapid prototyping, milling, and electrical discharge machining. The rationale for this paper is that trajectory plays an important ro...

1995
Anders Hedberg Hans Jacobson Mats Einarsson Glenn Jennings

The teaching of digital design requires a design platform which presents a coherent design methodology to the students. Yet we found ourselves with diflerent tools and hardware subsystems, each having its own idea about what digital design was about. Here we record our eflort t o forge a single design platform for beginning designers from three separate software subsystems and two hardware subs...

1999
Perry R. Cook Gary P. Scavone

This paper presents a cross-platform C++ programming environment designed for rapid prototyping of music synthesis and audio processing programs. The Synthesis ToolKit offers an array of unit generators for filtering, input/output, etc., as well as examples of new and classic synthesis and effects algorithms for research, teaching, performance, and composition purposes.

1999
Matthias Dörfel Frank Slomka Richard Hofmann

A known problem in the area of hardware/software codesign is the selection of the proper interface between the different parts of the design. This paper presents a technique which eases the selection by combining different synthesis techniques together with rapid prototyping. Application field of the technique is the design of communication systems where C and VHDL are generated from a specific...

2000
Yannis Stylianou

In concatenative speech synthesis systems, speech models are usually used to represent the speech signal. Recently, the Harmonic plus Noise Model, HNM, has been proposed for concatenative speech synthesis with promising results. One main drawback of HNM is its complexity. In this paper, we review four different methods of reducing the complexity of HNM. These include, straight-forward synthesis...

1995
Anders Hedberg Hans Jacobson Mats Einarsson Glenn Jennings

The teaching of digital design requires a design platform which presents a coherent design methodology to the students. Yet we found ourselves with di erent tools and hardware subsystems, each having its own idea about what digital design was about. Here we record our e ort to forge a single design platform for beginning designers from three separate software subsystems and two hardware subsyst...

1995
Uwe Lambrette Peter Zepter Ralf Mehlan Heinrich Meyr

as simple implementation and is suited for use in broadcast networks due to the exploitation of the capture phenomenon. During the design process we utilized a novel methodology involving multirate dynamic data ow system level simulation, exploitation of a generic VHDL based implementation library, automatic VHDL generation based on the data ow description and logic synthesis. The advantages an...

Fatemeh Sefidkon, Mohammad Sadegh Khajavi Seyed Saheb Sadat Hosseini

Rapid and highly efficient synthesis of 2- or 2,5-substituted 1,3,4-oxadiazoles by the condensation of aryl carboxylic acid hydrazides and orthoesters can be achieved under microwave irradiation using an unmodified commercial over in unsealed vessels.

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1997
mohammad sadegh khajavi seyed saheb sadat hosseini fatemeh sefidkon

rapid and highly efficient synthesis of 2- or 2,5-substituted 1,3,4-oxadiazoles by the condensation of aryl carboxylic acid hydrazides and orthoesters can be achieved under microwave irradiation using an unmodified commercial over in unsealed vessels.

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