Until fairly recently most scientific data-gathering systems and industrial
control procedures were based on electromechanical devices
such as chart recorders and analogue gauges. The capability to
process and analyse data was rather limited (and in some cases error
prone) unless one had access to a minicomputer or mainframe.
Today, that situation has changed considerably. I am sure that most
potential readers of this book will be aware of the profound effect
the PC has had on the way in which engineers and scientists are able
to approach data-gathering tasks....
Insulin-like growth factor (IGF) binding to the type 1 IGF receptor (IGF1R) elicits mitogenic eects, promotion of dierentiation and protection from apoptosis. This study has systematically measured IGF1R binding anities of IGF-I, IGF-II and 14 IGF analogues to a recombinant high-anity form of the IGF1R using BIAcore technology. The analogues assessed could be divided into two groups: (a) those designed to investigate binding of IGF-binding protein, which exhibited IGF1R-binding anities similar to those of IGF-I or IGF-II;...
In the new millennium, the knowledge half-life of electronic systems is less than
four years. Consider Theo A.M. Classen’s recent statement: “Usefulness of a
product = Log (Technology)”1. This requires us to carefully ponder, then to become
skilled in, the level of technology built in new electronic systems and products that we
often take for granted. Simply stated, millions of transistors combined with millions
of bytes of software equals the current level of technology developed over a period of
just 50 years.
The SPIRAX SARCO Steam Meter consists of four basic parts. 1. M111 Transducer. This is installed in the steam line at the point where the steam flow is to be measured. (See TIS 8.002). It is supplied complete with a 2m length of 8 core heat resistant cable for connection to the M322 Conditioning Unit. 2. EL2600 Pressure Transmitter. This provides a 4-20 mA analogue signal to the M322 Conditioning Unit proportional to line pressure for superheated steam applications (see TIS 8.023). 3. M322 Conditioning Unit....
Sums of two squares near perfect squares
by R. C. Vaughan∗∗∗ In memory of Pritish Limani (1983–2003) Abstract Let C be a nondegenerate planar curve and for a real, positive decreasing function ψ let C(ψ) denote the set of simultaneously ψ-approximable points lying on C. We show that C is of Khintchine type for divergence; i.e. if a certain sum diverges then the one-dimensional Lebesgue measure on C of C(ψ) is full. We also obtain the Hausdorﬀ measure analogue of the divergent Khintchine type result. ...