The decoloration of a solution of bromine in water with dichloromethylene as catalyst is an analytical test for the presence of alkenes:

Hood replied that he would take careful soundings as he advanced to test the depth of the water, and that " If you will allow the honour of leading you into battle, I will keep the lead going.

An easy way to isolate Bacillus is by placing nonsterile soil in a test tube with water, shaking, placing in melted mannitol salt agar, and incubating at room temperature for at least a day.

Caloric reflex test also evaluates both cortical and brainstem function ; cold water is injected into one ear and the patient is observed for eye movement ; if the patient's eyes slowly deviate toward the ear where the water was injected, then the brainstem is intact, however failure to deviate toward the injected ear indicates damage of the brainstem on that side.

Diatoms build a frustule from silica extracted from the surrounding water ; radiolarians also produce a test from minerals.

In this test rats learn to escape from a pool by swimming toward a platform submerged just below the surface of the water.

When applied to whiteware ceramics, vitreous means the material has an extremely low permeability to liquids, often but not always water, when determined by a specified test regime.

Grocers in test markets have said that the lettuce sells " very well ", and the farmers claim that their hydroponic lettuce uses 90 % less water than traditional soil farming .< ref > Murphy, Katie.

A soft drink ( also called soda, pop, coke, soda pop, fizzy drink, tonic, seltzer, mineral, has uncovered additional FDA test results that showed the following results: Of 24 samples of diet soda tested between 1995 and 2001 for the presence of benzene, 19 ( 79 %) had amounts of benzene in excess of the federal tap water standard of 5 ppb.

The plutonium used in the test was created at the CIRUS reactor supplied by Canada and using heavy water supplied by the United States.

Canada concluded that the test violated a 1971 understanding between the two states, and froze nuclear energy assistance for the two heavy water reactors then under construction.

A Winkler test for dissolved oxygen | Winkler titration to determine the concentration of dissolved oxygen in a water sample

An electrically heated grid is inserted before the test section which evaporates the water particles at its vicinity thus forming fog sheets.

The distinction is made during the water deprivation test, as some degree of urinary concentration above isosmolar is usually obtained before the patient becomes dehydrated.

Still, it took many years more before IMAX began to test the water for big-screen 3D, and sold the concept to Hollywood executives.

Facilities include laboratories and workshops for structural tests and a wind and a water tunnel in addition to an airfield for flight test activities.

The three-day test of some 30 dowsers involved plastic pipes through which water flow could be controlled and directed.

Before each test the pipe was moved in a direction perpendicular to the water flow.

In a hydrogen breath test, after an overnight fast, 25 grams of lactose ( in a solution with water ) is swallowed.

On 17 February 2012 46-year-old Irishman Steve Redmond swam Cook Strait as a part of the Oceans 7 Challenge, a series of open water swims that test a swimmer's mental and physical endurance.

The water in Lititz Springs Park tested at 19. 1 for Nitrates on August 8, 2007 in a test paid for by the Lancaster Intelligencer Journal.

# The sample volume can be increased to improve the test sensitivity in clinical ( blood, saliva, urine ), food ( bulk milk, pooled eggs ) and environmental ( water ) samples.

This legend is a bit similar to the test which Vestal Virgins were put to, in order to prove their chastity, where they were asked to fetch water from the river Tiber in a sieve.

A test tube filled with water and upturned into a water-filled beaker is often used to capture gases, e. g. in electrolysis demonstrations.

Because of the alcohol content, it is possible to fail a breathalyzer test after rinsing although breath alcohol levels return to normal after 10 minutes.

To test this model, Milton Rokeach and his colleagues used content analysis on works exemplifying nazism ( written by Adolf Hitler ), communism ( written by V. I.

In a personnel selection example, test content is based on a defined statement or set of statements of knowledge, skill, ability, or other characteristics obtained from a job analysis.

* 1943: Fluorine content test is first proposed.

* 1949: Fluorine content test establishes Piltdown man as relatively recent.

This is measured by the weight variation test and the content uniformity test.

This test includes appearance, mood, affect, behavior, rate and continuity of speech, evidence of hallucinations or abnormal beliefs, thought content, orientation to time, place and person, attention and concentration, insight and judgment, as well as short-term memory.

However, when exposed to a test with an identical rule set but socially relevant content, respondents score markedly higher.

A good test for the metal content of a column is to inject a sample which is a mixture of 2, 2 '- and 4, 4 '- bipyridine.

The anisotropies then are used to measure the universe's geometry, content, and evolution ; and to test the Big Bang model, and the cosmic inflation theory.

Two changes in levels of tests were made: firstly, a new level was inserted between the old level 3 and level 2, and secondly, the content of the top level exam ( old level 1 ) was changed to test slightly more advanced skills, though the passing level was not changed, possibly through equating of test scores.

The revised test continues to test the same content categories as the original, but the first and third sections of the test have been combined into a single section .< ref name = newfaq >

The new examination will not only test knowledge related to the RUP content but also to the process structure elements.

Due to these concerns, the Government of India ruled that ayurvedic products must specify their metallic content directly on the labels of the product, but, writing on the subject for Current Science, a publication of the Indian Academy of Sciences, M. S. Valiathan noted that " the absence of post-market surveillance and the paucity of test laboratory facilities India make the quality control of Ayurvedic medicines exceedingly difficult at this time.

The key to this method is the development of alternate test forms that are equivalent in terms of content, response processes and statistical characteristics.

In splitting a test, the two halves would need to be as similar as possible, both in terms of their content and in terms of the probable state of the respondent.

Content validity is a non-statistical type of validity that involves " the systematic examination of the test content to determine whether it covers a representative sample of the behavior domain to be measured " ( Anastasi & Urbina, 1997 p. 114 ).

Content validity evidence involves the degree to which the content of the test matches a content domain associated with the construct.

A test with only one-digit numbers, or only even numbers, would not have good coverage of the content domain.