Practical applications exist only for chemical compounds of promethium-147, which are used in luminous paint, atomic batteries and thickness measurement devices, even though promethium-145 is the most stable promethium isotope.

Category: Practical joke devices

Practical devices capable of operating over an extended current range were first reported by Baliga et al.

Practical devices are linear to roughly one part per million.

Practical and economic devices only became available with solid state technology.

Category: Practical joke devices

Category: Practical joke devices

Practical heat sinks for electronic devices must have a temperature higher than the surroundings to transfer heat by convection, radiation, and conduction.

Category: Practical joke devices

Practical tunnel diodes operate at a few milliamperes and a few tenths of a volt, making them low-power devices.

Category: Practical joke devices

Category: Practical joke devices

Category: Practical joke devices

Practical devices have non-zero voltage drop and dissipate power when on, and take some time to pass through an active region until they reach the " on " or " off " state.

Practical working groups try to run their projects with the use of telescopes and other devices, which are all carried to the observation field.

Category: Practical joke devices

Category: Practical joke devices

Category: Practical joke devices

Category: Practical joke devices

Category: Practical joke devices

* Practical knowledge, as opposed to ivory tower or book knowledge, knowledge on how to succeed through life, or generally how to avoid the pitfalls

Practical measurements and computations are usually done in SI units, but conversions are generally quite straightforward.

Practical considerations generally allow for some exceptions.

Practical applications for electricity however remained few, and it would not be until the late nineteenth century that engineers were able to put it to industrial and residential use.

In his essay, Overcoming Practical Difficulties in Creating a World Parliamentary Assembly, Joseph E. Schwartzberg proposes the use of proportional representation in the United Nations Parliamentary Assembly in order to prevent, for instance, lower castes of Indians from being excluded.

A course in ethics led by Dr Hartmut Kliemt at the University of Duisburg where the main text used was Singer's Practical Ethics was, according to Singer, " subjected to organized and repeated disruption by protesters objecting to the use of the book on the grounds that in one of its ten chapters it advocates active euthanasia for severely disabled newborn infants ".

Practical and commercial use of KAP is limited by the unpredictability of the weather ( notably wind, sun and rain ) and the fact that not every site is suitable to flying a kite.

Practical electronics engineering and assembly requires the use of many different kinds of electronic test equipment ranging from the very simple and inexpensive ( such as a test light consisting of just a light bulb and a test lead ) to extremely complex and sophisticated such as Automatic Test Equipment.

Mr Accum acquaints the Patrons and Amateurs of Chemistry that he continues to give private Courses of Lectures on Operative and Philosophical Chemistry, Practical Pharmacy and the Art of Analysis, as well as to take Resident Pupils in his House, and that he keeps constantly on sale in as pure a state as possible, all the Re-Agents and Articles of Research made use of in Experimental Chemistry, together with a complete Collection of Chemical Apparatus and Instruments calculated to Suit the conveniences of Different Purchasers.

The sport came about as a response to the perceived shortcomings in competitions organized by the International Practical Shooting Confederation ( IPSC ) and its migration away from the use of common, un-customized handguns.

In 1837 he wrote " Practical observations on the venereal disease, and on the use of mercury " in which he introduced the hypothesis of maternal immunity of a syphilitic infant when the mother had not shown signs of the disease.

Supporters of Cooper's methods point to the near-universal use of his system in the International Practical Shooting Confederation and other forms of action shooting, while Applegate's supporters point to police incidents where officers trained in Cooper's methods discharge many rounds at close range ( most measured in tens of feet ( 3 m ) or less ) with few ( if any ) disabling hits.

that the inspiration for The Quill was an article in the August 1980 issue of Practical Computing by Ken Reed in which Reed described the use of a database to produce an adventure game.

Practical programs which can pass names ( URLs or pointers ) often use such functionality: for directly modelling such functionality inside the calculus, this and related extensions are often useful.

There are two differentiated streams in Kabbalah, that leading Kabbalists separated over concerns of illegitimate use of Practical Kabbalah:

The leading Kabbalist Isaac Luria ( 1534 – 1572 ) forbade our generations to use Practical Kabbalah.

Practical antireflection coatings rely on an intermediate layer not only for its direct reduction of reflection coefficient, but also use the interference effect of a thin layer.

Practical use of non-normal incidence phenomena, known as AVO ( see amplitude versus offset ) has been facilitated by theoretical work to derive workable approximations to the Zoeppritz equations and by advances in computer processing capacity.

Practical radio tuners use a superheterodyne receiver.

Practical household refrigerators were introduced in 1915 and gained wider acceptance in the United States in the 1930s as prices fell and non-toxic, non-flammable synthetic refrigerants such as Freon-12 ® ( R-12 ) were introduced, however R-12 damaged the ozone layer, causing governments to issue a ban on its use in new refrigerators and air-conditioning systems in 1994.

Practical results of animal research were used to justify Ferrier before a noisy public persecution carried out by antivivisectionist societies against him and other scientists, who were accused of inhumane use of animals for experimental medicine.

Practical use of the divide-and-conquer algorithm has shown that in most realistic eigenvalue problems, the algorithm actually does better than this.

Practical use of Heenan's invention was not realized until an abrasion and impact resistant coating was invented by engineer Ramon J. Ascencio of the Stimsonite Corporation, working with the original team.

Practical issues exist with attempts to use Ramsey pricing for setting utility prices.

Practical systems use imperfect arbitration heuristics ( e. g. iSLIP ) that can be computed in reasonable amounts of time.

Rosenberg then founded Practical Concepts Incorporated ( PCI ), which extended use of LFA to 35 countries.