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When the mercury has evaporated, which is known by the surface having entirely become of a dull yellow color, the metal must undergo other operations, by which the fine gold color is given to it.
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When and mercury
When ' millimetres of mercury ' or ' inches of mercury ' are quoted today, these units are not based on a physical column of mercury: they have been given precise definitions that can be expressed in terms of SI units.
When measuring liquid pressure, a loop filled with gas or a light fluid can isolate the liquids to prevent them from mixing but this can be unnecessary, for example when mercury is used as the manometer fluid to measure differential pressure of a fluid such as water.
When it melts, silicon becomes a reasonable metal with an electrical conductivity of 1. 0 – 1. 3 × 10 < sup > 4 </ sup > S • cm < sup >− 1 </ sup >, a value similar to that of liquid mercury.
When the switch is tilted in the appropriate direction, the mercury touches a set of contacts, thus completing the electrical circuit through those contacts.
When the machine is rocked or tilted in an attempt to gain a product, the mercury switch activates, sounding an alarm.
When the amalgam is cold it is squeezed through chamois leather to separate the superfluous mercury ; the gold, with about twice its weight of mercury, remains behind, forming a yellowish silvery mass with the consistency of butter.
When the metal to be gilded is wrought or chased, it ought to be covered with mercury before the amalgam is applied, that this may be more easily spread ; but when the surface of the metal is plain, the amalgam may be applied to it directly.
When Bell arrived on February 26, Bell visited his lawyers and then visited examiner Wilber who told Bell that Gray's caveat showed a liquid transmitter and asked Bell for proof that the liquid transmitter idea ( described in Bell's patent application as using mercury as the liquid ) was invented by Bell.
When red mercury first appeared on the international black market 15 years ago, the supposedly top secret nuclear material was ' red ' because it came from Russia.
When introduced in the 1960s, alkaline batteries contained a small amount of toxic mercury amalgam to control side reactions at the zinc cathode.
When Angel tries to help her escape, he tells her he had the pill tested, and that it contained powdered lead with trace amounts of arsenic and mercury, each of which are traditional ingredients in artistry paints linked to accidental self-poisoning.
When a mercury vapor lamp is first turned on, it will produce a dark blue glow because only a small amount of the mercury is ionized and the gas pressure in the arc tube is very low, so much of the light is produced in the ultraviolet mercury bands.
When the current is turned on, it will initiate dissolution of the metallic mercury on the one side of the drop in the capillary and deposition on the other side of the same drop.
When glass mirrors first gained widespread usage in Europe during the 16th century, most were made of an amalgam of tin and mercury, but by the 19th century mirrors were commonly made through a process by which silver was coated onto a glass surface.
When electrical current flowed through the wire, the magnetic field of the wire created a force with the field of the permanent magnet such that the wire would rotate out of the mercury trough and interrupt the electrical circuit.
When and has
When disruptive change has penetrated to the third level of social order, the process of disruption rapidly reaches a point of no return.
When a person has thoughtlessly or deliberately caused us pain or hardship it is not always easy to say, `` Just forget it ''.
When the whole bottom has hardened, use a disk sander to feather the edges of the cloth at the keel line and near the spray rail.
When we look at countries like Iran, Iraq, Pakistan, and Burma, where substantial progress has been made in creating a minimum supply of modern men and of social overhead capital, and where institutions of centralized government exist, we find a second category of countries with a different set of problems and hence different priorities for policy.
) When the complete file has been read, the grammatical descriptions for all text forms found in the dictionary have been stored in the W-region ; ;
When a word represents a larger construction of which it is the only expressed part, it normally has more stress than it would have in fully expressed construction.
When dealing with the actual relation of philosophy to the sociology of knowledge, or better the role of philosophy in assisting research on the social sources of ideas, one has to become necessarily selective.
When all has been said, however, the big branch store remains a major break with history in the development of American retailing.
When all of the rinse water has passed from the reservoir to the tubs the main drains are lowered to permit complete draining of the tubs.
When this water level has been reached, inject steam into the wheel until the temperature reaches that shown in Column B of Table 2.
When this water level has been reached, inject steam until the temperature is that shown in Column Aj.
When this water level has been reached inject steam until the temperature is that shown in Column Aj.
When the policy has been chosen, the state of the product can be obtained from the state of the feed by repeated application of the transformation ( 1 ) ; ;
When Af has been found it may be transferred into the storage location of Af and the whole calculation repeated.
When that fear has been removed by faith in Jesus Christ, when we know that He is our Savior, that He has paid our debt with His blood, that He has met the demands of God's justice and thus has turned His wrath away -- when we know that, we have peace with God in our hearts ; ;
" When the tone poem moves into the blues, " our American friend ... has succumbed to a spasm of homesickness.
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