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compound and microscope
* Transmission electron microscopy ( TEM ) is quite similar to the compound light microscope, by sending an electron beam through a very thin slice of the specimen.
Giovanni Faber coined the name microscope for Galileo Galilei's compound microscope in 1625 ( Galileo had called it the " occhiolino " or " little eye ").
Although a Dutch spectacle maker created the compound lens and inserted it in a microscope around the turn of the seventeenth century, and Galileo had applied the principle of the compound lens to the making of his microscope patented in 1609, its possibilities as a microscope had remained unexploited for half a century, until Robert Hooke improved the instrument.
This practical development, mastery, and experimentation with lenses led directly to the invention of the compound optical microscope around 1595, and the refracting telescope in 1608, both of which appeared in the spectacle making centres in the Netherlands.
* 1590-Dutch spectacle-makers Hans Jansen and his son Zacharias Jansen, claimed by later writers ( Pierre Borel 1620-1671 or 1628 – 1689 and Willem Boreel 1591 – 1668 ) to have invented a compound microscope.
* 1609-Galileo Galilei develops a compound microscope with a convex and a concave lens.
* 1619-Cornelius Drebbel ( 1572 – 1633 ) presents, in London, a compound microscope with two convex lenses.
He examined ( under a coarse, compound microscope ) very thin slices of cork and saw a multitude of tiny pores that he remarked looked like the walled compartments a monk would live in.
The first person to make a compound microscope was Zacharias Jansen, while the first to witness a live cell under a microscope was Antonie van Leeuwenhoek, who in 1674 described the algae Spirogyra and named the moving organisms animalcules, meaning " little animals ".
Optical microscopes are the oldest design of microscope and were possibly designed in their present compound form in the 17th century.
There are two basic configurations of the conventional optical microscope: the simple ( single lens ) and the compound ( many lenses ).
A compound microscope is a microscope which uses multiple lenses to collect light from the sample and then a separate set of lenses to focus the light into the eye or camera.
It is difficult to say who invented the compound microscope.
Dutch spectacle-makers Hans Janssen and his son Zacharias Janssen are often said to have invented the first compound microscope in 1590, but this was a declaration made by Zacharias Janssen himself during the mid 17th century.
He developed an occhiolino or compound microscope with a convex and a concave lens in 1609.
It took about 150 years of optical development before the compound microscope was able to provide the same quality image as van Leeuwenhoek's simple microscopes, due to difficulties in configuring multiple lenses.

compound and also
Alpha also stands for thermal expansion coefficient of a compound in physical chemistry.
The surviving fragments also show that Alexis invented a great deal of words, mostly compound words, that he used normal words in an unusual way, and made strange and unusual forms of common words.
Cross-resistance to several antibacterials may also occur when a resistance mechanism encoded by a single gene conveys resistance to more than one antibacterial compound.
He was also the first to establish that sulfur was an element ( 1777 ) rather than a compound.
That implies the several individual states to be interconnected in such a way, that they still keep their own sovereignty ; but the resulting compound also has state-character ( Bundesstaat ).
It is also used as a quantitive test of unsaturation, expressed as the bromine number of a single compound or mixture.
The word may be a compound containing the Old English adjective brytten ( from the verb breotan meaning ' to break ' or ' to disperse '), an element also found in the terms bryten rice (' kingdom '), bryten-grund (' the wide expanse of the earth ') and bryten cyning (' king whose authority was widely extended ').
The name may also mean an ester of carbonic acid, an organic compound containing the carbonate group C (= O )( O –)< sub > 2 </ sub >.
They also contain an organic compound called apiol.
CamelCase ( or camel case ), also known as medial capitals or Pascal case, is the practice of writing words with some inner uppercase letters, such as compound words or phrases in which the elements are joined without spaces, while each element has a capital letter within the compound.
Chemical affinity can also refer to the tendency of an atom or compound to combine by chemical reaction with atoms or compounds of unlike composition.
The rapid adoption of the compound crank can be traced in the works of the Anonymous of the Hussite Wars, an unknown German engineer writing on the state of the military technology of his day: first, the connecting-rod, applied to cranks, reappeared, second, double compound cranks also began to be equipped with connecting-rods and third, the flywheel was employed for these cranks to get them over the ' dead-spot '.
Methanides in general chemical context refers to any compound that hydrolyzes to methane, which might include also salts with hydrogenated anions such as,, and.
If we reciprocate such a polyhedron about its intersphere, the dual polyhedron will share the same edge-tangency points and so must also be canonical ; it is the canonical dual, and the two together form a canonical dual compound.
Devanagari (; ; Devanāgarī — compound of " deva " () and " nāgarī " () ), also called Nagari ( Nāgarī,, the name of its parent writing system ), is an abugida alphabet of India and Nepal.
Any subgroup of atoms of a compound also may be called a radical, and if a covalent bond is broken homolytically, the resulting fragment radicals are referred as free radicals.
The unusual stability of the helium-4 nucleus is also important cosmologically: it explains the fact that in the first few minutes after the Big Bang, as the " soup " of free protons and neutrons which had initially been created in about 6: 1 ratio cooled to the point that nuclear binding was possible, almost all first compound atomic nuclei to form were helium-4 nuclei.
Seating a Boxer primer not only places the primer in the case, it also seats the anvil of the primer down onto the priming compound, in effect arming the primer.
Haufen, sometimes in the compound Gewalthaufen, also designated a pike square formation in German.
Opportunistic disease may be caused by microbes that are ordinarily in contact with the host, such as pathogenic bacteria or fungi in the gastrointestinal or the upper respiratory tract, and they may also result from ( otherwise innocuous ) microbes acquired from other hosts ( as in Clostridium difficile colitis ) or from the environment as a result of traumatic introduction ( as in surgical wound infections or compound fractures ).
Its anion, α-ketoglutarate ( α-KG, also called oxo-glutarate ) is an important biological compound.
The plant equivalents are the phytosterols, such as β-sitosterol, stigmasterol, and brassicasterol ; the latter compound is also used as a biomarker for algal growth.
Lexemes composed of multiple morpheme also known as compound words such as idiomatic expressions and colocations are also considered part of the lexicon.

compound and makes
It is worth dwelling in some detail on the crisis of this story, because it brings together a number of characteristic elements and makes of them a curious, riddling compound obscurely but centrally significant for Mann's work.
This limb stiffness makes the compound bow more energy efficient than other bows, but the limbs are too stiff to be drawn comfortably with a string attached directly to them.
Frequently, where the determinant is itself a kenning, the base-word of the kenning that makes up the determinant is attached uninflected to the front of the base-word of the whole kenning to form a compound word: mög-fellandi mellu “ son-slayer of giantess ”
The exact combination of ions involved makes each compound have a unique solubility in any solvent.
This makes the compound an aromatic diether.
This limb stiffness makes the compound bow more energy-efficient than other bows, in conjunction with the pulley / cams.
This makes selling and buying certain used compound bows more difficult due to considerable extra expense needed to adjust a bow that doesn't already match the new shooter's exact preference ( Mathews brand bows are particularly notorious for this due to draw length that is either completely fixed or only allows up to 1 " of downward adjustment before a new cam is necessary ).
* The relatively low holding weight of a compound bow compared to a recurve bow makes the compound more sensitive to certain shooting form faults when the archer is at full draw.
Alida Valli, an import from Italy, makes the caged Mrs. Paradine a compound of mystery, fascination and voluptuousness with a pair of bedroom eyes, and Louis Jourdan, a new boy from Paris, is electric as the badgered valet.
He has " an amazing compound of evil " which makes him " a wonder at everything wicked " and " a marvel of satanic cunning.
This limb stiffness makes the compound bow more energy-efficient than other bows, in conjunction with the pulley / cams.
It is the implication of futurity that makes these present tense auxiliary constructions amount to a compound future quasi-tense.
Charlie and Wonka journey in the Great Glass Elevator to Minusland – a realm that Wonka discovered when his earlier attempts to create Wonka-Vite turned all the Oompa-Loompas he tested it on to become Minuses as the formula was too strong – to get Georgina back with Vita-Wonk, a sprayable compound that makes people older.
* the attacker makes a pause or withdraws the arm during a compound attack during which the fencer hits the attacker.
This " lock and key " fit between the ligand and its target compound makes it highly specific, frequently generating a single peak, while all else in the sample is unretained.
The triple bond of N < sub > 2 </ sub > makes this a very stable compound ; most organisms ( i. e. plants ) depend upon others to break this down to make it available for biochemical reactions.
After one sea slug creates and releases the compound chemical solution, it makes all the sea slugs irresistible to one another.
Lubricants and creams containing the spermicide nonoxynol-9 are known to be cytotoxic, as studies have shown the compound damages cells and makes users more vulnerable to HIV.
DRS also makes use of the compound in Crewe Coal Sidings, for stabling nuclear trains overnight.
The methyl group on the alpha carbon ( the first carbon before the nitrogen group ), also makes this compound a member of the amphetamine family.
This makes the compound thermally stable.
It should be noted that the compound used to weaken the Slayer makes her typically weaker than most normal humans.
The nitro group is one of the most common explosophores ( functional group that makes a compound explosive ) used globally.

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