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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 1 |
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Ailion, David Charles | Low cost high linearity solid state digital double boxcar | In this article, we describe a digital solid state double boxcar of infinite holding time and very high linearity. It uses a Hewlett-Packard (HP2212 A-M3) voltage-to-frequency converter (VFC) whose output is accumulated on a running counter, thereby providing signal averaging with an infinite holdin... | High linearity; Boxcar; Instruments, Physics | 1969 |
| 2 |
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Ailion, David Charles | Low cost integrated circuit versatile pulse and frequency counter | In this paper we describe a compact multipurpose counter whose design is based on the use of plastic integrated circuits. The circuit contains about $90 worth of semiconductor components and is very easy to wire; nevertheless, it is extremely versatile. It consists of dual 107 and 106 counters which... | Integrated circuits; Counters; Physics instruments | 1969 |
| 3 |
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Mattis, Daniel C. | Magnetization of Ising model in nonzero magnetic field | Knowing only the zero-field magnetization (e.g., Yang's result) of the Ising model in any number of dimensions, one can construct a lower bound on m(h), the magnetization in finite field. Knowledge of u, the internal energy per bond, enables a more efficient lower bound to be constructed. Both are ... | Magnetization; Griffiths inequality | 1969 |
| 4 |
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Ailion, David Charles | New two-point calibration method for platinum resistance thermometers for the range 75-400K | In this paper we describe a new method for calibrating high quality platinum resistance thermometers to ±0.01 "C over the temperature range 75-400 K. This method requires resistance measurements at only two temperatures (liquid nitrogen and the ice point) in contrast to other methods which require ... | Platinum; Resistance thermometers; Physics instruments | 1969 |
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