Search results
Results from the WOW.Com Content Network
The frog test is a pregnancy testing method relying on frogs to show the pregnancy status of women. [1] Since immunological pregnancy tests were not yet developed before 1960s, women living a century ago relied on urine-based pregnancy tests using different animals, ranging from mice to frogs. [2] [3] Nowadays, the advancement in medical ...
ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software. Ping measures the round-trip time for messages sent from the ...
The African clawed frog or platanna, Xenopus laevis, was first widely used in laboratories in pregnancy assays in the first half of the 20th century. When human chorionic gonadotropin, a hormone found in substantial quantities in the urine of pregnant women, is injected into a female X. laevis, it induces them to lay eggs.
Ping test (engineering) A ping test is a physical test to determine the natural frequency of an object or assembly. [1] The test consists of instrumenting the object or assembly with measuring devices and then tapping it with another metallic object (usually a hammer.) The undamped system will then vibrate at its natural frequency.
Wikipedia
Frequency-resolved optical gating ( FROG) is a general method for measuring the spectral phase of ultrashort laser pulses, which range from sub femtosecond to about a nanosecond in length. Invented in 1991 by Rick Trebino and Daniel J. Kane, FROG was the first technique to solve this problem, which is difficult because, ordinarily, to measure ...
Craugastor pygmaeus, also known as the pigmy free-fingered frog or the pigmy robber frog, is a species of frog in the family Craugastoridae. It is found in western Guatemala and southern Mexico from southern Sinaloa to Chiapas. [1] [2] Craugastor pygmaeus shows strong color polymorphism. [3] Several species have been described and later ...
Raorchestes shillongensis (common names: Shillong bubble-nest frog, Shillong bush frog, Xmas frog) is a species of frog in the family Rhacophoridae. It is endemic to Greater Shillong in North East India. It is known from the Khasi Hills in the region of Shillong, Meghalaya in north-eastern India. Habitat and conservation