Q

Pyrophosphit n s. Diphosphit Pyrophosphorsaure fs. Diphosphorsaure Pyrophosphorylierung / (bioch) pyrophosphoryla-

tion Pyrosaure / pyroacid Pyroschleimsaure / s. Brenzschleimsaure Pyroskop n (ceram) pyroscope Pyrosol n (coll) pyrosol (a type of solid sols) Pyrosulfit n s. Disulfit Pyrosulfurylchlorid n s. Disulfurylchlorid Pyrotechnik / pyrotechnics Pyrotechniker m pyrotechnist, pyrotechnician pyrotechnisch pyrotechnic[al] Pyrotritarsaure / pyrotritaric acid, 2,5-dimethyl-

furan-3-carboxylic acid Pyrovanadat n s. Divanadat Pyroweinsaure / pyrotartaric acid, methylsuccinic

acid, 2-methylbutane-1,4-dioic acid Pyroxen m (min) pyroxene (a member of a group of

inosilicates) Pyroxenfamilie / (min) pyroxene group Pyrrhotin m (min) pyrrhotite, pyrrhotine, magnetic

pyrites (iron(ll) sulphide) Pyrrol n pyrrole Pyrrolfarbstoff m pyrrole pigment Pyrrolidin n pyrrolidine, tetrahydropyrrole Pyrrolidinalkaloid n pyrrolidine alkaloid Pyrrolidin-2-carbonsaure / pyrrolidine-2-carboxylic

acid, proline Pyrrolizidinalkaloid n pyrrolizidine (senecio)

alkaloid Pyrrolring m pyrrole ring Pyrrolsynthese / /Knorrsche Knorr pyrrole synthe­

sis Pyrrolylen n s. Buta-1,3-dien Pyrron n pyrrone, polyimidazopyrrolone Pyruvat n pyruvate (salt or ester of pyruvic acid) Pyruvinaldehyd m s. Methylglyoxal Pyruvinsaure fs. Brenztraubensaure PZ s. Portlandzement P-Zweig m P-branch (of a band spectrum)

Q-Einheit / Q unit, tetrafunctional unit (a structural

unit) Q-Enzym n Q enzyme, branching (branch-point)

enzyme Q-e-Schema n Q-e scheme (copolymerization) Quaderkalk m ashlar lime Quadranteneinbau m quadrant flights (of a rotary

dryer) Quadratbecken n square basin (tank) Quadratmetergewicht n s. Masse je Flachenein-

heit Quadrupeleffektverdampfer m quadruple-effect

evaporator Quadrupelpunkt m (phys ch) quadruple point Quadrupol m (phys ch) quadrupole

Quadrupolkopplung /[/elektrische] (nucl) quad­

rup le coupling Quadrupolkrafte fpl quadrupole forces Quadrupolmassenspektrometer n quadrupole

mass spectrometer Quadrupolmoment n quadrupole moment ~ des Kerns nuclear quadrupole moment Quadrupolrelaxation f (spectr) quadrupole relaxa­

tion Quadrupolstrahlung /quadrupole radiation Qualitat /grade, quality • von minderer ~ low-

grade -/handelsubliche commercial grade Qualitatsanforderungen fpl quality demands Qualitatsdungung /quality fertilization QualitatsgroBe / (phys ch) intensive property

(quantity) Qualitatskontrolle /quality control Qualitatsminderung / deterioration in quality Qualitatsprufung /quality test Qualitatssicherung /quality assurance Qualitatsverbesserung / improvement in quality,

upgrading Quant n (phys ch) quant[um] quanteln to quantize Quantelung /quantization ~ der Energie quantization of energy -/raumliche space quantization, quantization of

direction Quantenaquivalenz /quantum equivalence Quantenaquivalenzgesetz n Einstein photochemi­

cal equivalence law, Einstein law of photochemi­ cal equivalence, Einstein-Stark law

Quantenausbeute /quantum yield (efficiency) -/differentielle differential quantum yield -/integrate integral quantum yield Quantenbedingung /quantum condition Quantenchemie / quantum chemistry Quantenelektrodynamik /quantum electrodynam­

ics Quantenempfanger m (anal) quantum effect

detector Quantenenergie /quantum energy Quantenflussigkeit /quantum liquid Quantenhypothese //Plancksche Planck’s hy­

pothesis (of quantized energy) Quantenmechanik /quantum (matrix) mechanics quantenmechanisch quantum-mechanical Quantensprung m quantum jump (transition) Quantenstatistik / quantum statistics Quantentheorie / quantum theory Quantenzahl /quantum number ~/azimutale azimuthal (subsidiary) quantum num­

ber, orbital [angular momentum] quantum number -/bahnmagnetische s. -/magnetische -/innere inner quantum number -/magnetische magnetic quantum number -/radiale radial quantum number -/raumliche s. -/magnetische -/sekundare s. -/azimutale

Quantenzahler m quantum counter Quantenzustand m quantum state quantisieren s. quanteln QuantitatsgroBe / (phys ch) extensive property

(quantity) Quantum n quantum, quantity, amount; portion Quark n quark (a hypothetical particle) quartar quaternary Quartarsalz n quaternary salt Quartarstruktur /quaternary structure (of proteins) Quartation /quartation (separating gold and silver

by hot nitric acid) Quartettaufspaltung / (phys ch) quartett splitting quartieren (anal) to quarter Quarz m quartz • aus - quartzose, quartzous,

quartzy -/linker left-handed quartz -/rechter right-handed quartz Quarzboot n quartz boat quarzfuhrend quartz-bearing, quartziferous (rock) QuarzgefaB n quartz vessel Quarzglas n quartz glass, transparent [vitreous]

silica, fused quartz Quarzgut n translucent vitreous silica, fused silica quarzhaltig containing quartz, quartzic, quartzose,

(esp relating to rocks:) quartz-bearing, quartzifer­ ous

quarzig quartzose, quartzous, quartzy Quarzit m (min) quartzite quarzitisch quartzitic Quarzkapillare / (chromat) fused-silica [open tubu­

lar] capillary, FSOT capillary Quarzkeil m quartz wedge Quarzkorn n quartz grain Quarzkristall m quartz crystal Quarzlampe /quartz lamp Quarzporphyr m quartz porphyry Quarzsand m quartz (silica) sand Quarzschale / quartz dish Quarzschiffchen n quartz boat Quarzspektrograph m quartz spectrograph Quarztiegel m quartz crucible Quarz-UV n, Quarz-UV-Bereich m near ultraviolet Quasi-Fermi-Niveau n quasi-Fermi level QuasiflieBen n pseudo-plastic flow Quasigleichgewicht n quasi-equilibrium quasikristallin quasi-crystalline quasiplastisch pseudo-plastic Quasiracemat n quasi-racemate quasistabil quasi-stable quasistationar quasi-stationary Quasistationaritatsprinzip n steady-state

[approximation] method quasistatisch quasi-static quasiviskos quasi-viscous quaternar quaternary quaternisieren to quaternize (e.g. amines) Quaternisierung / quaternization (as of amines) Quaternisierungsmittel n quaternizing agent

Quayle-Zyklus m (bioch) Quayle cycle, ribulose

monophosphate cycle Quebrachoextrakt m (tann) quebracho extract Quecksilber n Hg mercury -/gediegenes native mercury Quecksilber(l)-acetat n mercury(l) acetate, mercu-

rous acetate Quecksilber(ll)-acetat n mercury(ll) acetate,

mercuric acetate Quecksilber(ll)-acetylid n mercury(ll) acetylide,

mercuric acetylide Quecksilberalkyl n alkylmercury [compound] Quecksilber(ll)-amidochlorid n amidomercury(ll)

chloride, infusible white precipitate Quecksilberauffangwanne / mercury tray Quecksilber(l)-azid n mercury(l) azide, mercurous

azide Quecksilber(l)-bromat n mercury(l) bromate, mer­

curous bromate Quecksilber(ll)-bromat n mercury(ll) bromate,

mercuric bromate Quecksilber(l)-bromid n mercury(l) bromide,

mercurous bromide Quecksilber(ll)-bromid n mercury(ll) bromide,

mercuric bromide Quecksilber(ll)-bromidiodid n mercury(ll) bromide

iodide, mercuric bromide iodide Quecksilber(l)-carbonat n mercury(l) carbonate,

mercurous carbonate Quecksilber(l)-chlorat n mercury(l) chlorate, mer­

curous chlorate Quecksilber(ll)-chlorat n mercury(ll) chlorate,

mercuric chlorate Quecksilber(l)-chlorid n mercury(l) chloride, mer­

curous chloride, calomel Quecksilber(ll)-chlorid n mercury(ll) chloride, mer­

curic chloride, sublimate Quecksilber(ll)-chloridiodid n mercury(ll) chloride

iodide, mercuric chloride iodide Quecksilber(l)-chromat n mercury(l) chromate,

mercurous chromate Quecksilber(ll)-chromat n mercury(ll) chromate,

mercuric chromate Quecksilber(ll)-cyanid n mercury(ll) cyanide, mer­

curic cyanide Quecksilberdampf m mercury vapour Quecksilberdampflampe /mercury[-vapour] lamp,

mercury arc (discharge) lamp Quecksilberdestillationsapparat m mercury still Quecksilberdi... s. Quecksilber(ll)-... Quecksilberdichtung /mercury seal (as on a

stirrer) Quecksilberdiffusionspumpe / mercury diffusion

pump, mercury[-vapour] pump Quecksilberelektrode / mercury electrode -/geriihrte groRflachige stirred mercury-pool

electrode ~/stromende venous mercury electrode Quecksilbererz n mercury ore

Quecksilberfaden m mercury thread (in thermome­ ters)

Quecksilberfahlerz n (min) schwazite (a tetra­ hedrite containing mercury)

Quecksilberfalle / mercury trap Quecksilber(l)-fluorid n mercury(l) fluoride, mer­

curous fluoride Quecksilber(ll)-fluorid n mercury(ll) fluoride, mer­

curic fluoride Quecksilber(ll)-fulminat n mercury fulminate, ful­

minating mercury, mercuric fulminate quecksilberhaltig containing mercury, mercurial Quecksilber(l)-hexafluorosilicat n mercury(l)

hexafluorosilicate, mercurous fluorosilicate Quecksilber(ll)-hexafluorosilicat n mercury(ll)

hexafluorosilicate, mercuric fluorosilicate Quecksilber(ll)-hexoxotellurat(VI) n mercury (I I)

hexaoxotellurate(VI), mercury(ll) orthotellurate, mercuric orthotellurate

Quecksilber-Hochdrucklampe / high-pressure mercury arc lamp

Quecksilber(ll)-hydrogenarsenat(V) n mercury(ll) hydrogenarsenate, mercuric hydrogenarsenate

Quecksilber(l)-iodat n mercury(l) iodate, mercu­ rous iodate

Quecksilber(ll)-iodat n mercury(ll) iodate, mercu­ ric iodate

Quecksilber(l)-iodid n mercury(l) iodide, mercu­ rous iodide

Quecksilber(ll)-iodid n mercury(ll) iodide, mercuric iodide

-/gelbes yellow mercuric iodide -/rotes red mercuric iodide Quecksilber-Kaltdampftechnik / (spectr) cold-

vapour technique Quecksilberkatode / mercury cathode Quecksilberlampe f s. Quecksilberdampflampe Quecksilberlichtbogen m mercury arc Quecksilbermanometer n mercury (mercurial)

manometer, mercury gauge Quecksilbermikroelektrode / mercury microelec­

trode Quecksilberniederdrucklampe / low-pressure

mercury vapour lamp Quecksilber(l)-nitrat n mercury(l) nitrate, mer­

curous nitrate Quecksilber(ll)-nitrat nmercury(ll) nitrate, mercu­

ric nitrate Quecksilber(ll)-nitrid n mercury(ll) nitride, mercu­

ric nitride Quecksilber(l)-nitrit n mercury(l) nitrite, mercurous

nitrite Quecksilber(l)-orthoarsenat(V) n mercury(l) tetra-

oxoarsenate, (deprecated:) mercurous orthoarse­ nate

Quecksilber(ll)-orthoarsenat(V) n mercury(ll) tetraoxoarsenate, (deprecated:) mercuric orthoarsenate

Quecksilber(l)-orthophosphat n mercury(l) ortho­ phosphate, mercurous orthophosphate

Quecksilber(ll)-orthophosphat n mercury(ll)

orthophosphate, mercuric orthophosphate Quecksilber(l)-oxid n mercury(l) oxide, mercurous

oxide Quecksilber(ll)-oxid n mercury(ll) oxide, mercuric

oxide -/gefalltes (gelbes) yellow mercuric oxide, yellow

precipitate -/rotes red mercuric oxide, red precipitate Quecksilberpumpe fs. Quecksilberdiffusions-

pumpe Quecksilber(l)-rhodanid n s. Quecksilber(l)-thio-

cyanat Quecksilber(ll)-rhodanid n s. Quecksilber(ll)-thio-

cyanat Quecksilbersalbe /mercurial ointment Quecksilber(l)-salz n mercury(l) salt, mercurous

salt Quecksilber(ll)-salz n mercury(ll) salt, mercuric

salt Quecksilbersaule / mercury column Quecksilber(ll)-selenid n mercury(ll) selenide,

mercuric selenide Quecksilberstand m mercury level Quecksilber(l)-sulfat n mercury(l) sulphate,

mercurous sulphate Quecksilber(ll)-sulfat n mercury(ll) sulphate,

mercuric sulphate Quecksilber(l)-sulfid n mercury(l) sulphide, mer­

curous sulphide Quecksilber(ll)-sulfid n mercury(ll) sulphide,

mercuric sulphide -/rotes red mercuric sulphide Quecksilbertauchlampe /mercury immersion

lamp Quecksilber(ll)-tetroxotellurat(VI) n mercury (I I)

tetraoxotellurate(VI), mercury(ll) metatellurate, mercuric metatellurate

Quecksilberthermometer n mercury-in-glass thermometer

Quecksilber(l)-thiocyanat n mercury(l) thiocyanate, mercurous thiocyanate

Quecksilber(ll)-thiocyanat n mercury(ll) thiocy­ anate, mercuric thiocyanate

Quecksilbertropfelektrode /dropping mercury electrode, DME

Quecksilbertropfkatode /dropping mercury cathode

Quecksilberverbindung / mercury compound, mercurial

Quecksilberverfahren n mercury-cell process, [intermediate] mercury electrode process (electrolysis)

Quecksilbervergiftung /mercury poisoning, mercurialism, hydrargyrism

Quecksilberverstarker m (phot) mercury intensifier

Quecksilberverstarkung / (phot) mercury intensifi­ cation

Quecksilber(l)-wolframat n *mercury(l) wolframate, mercury(l) tungstate, mercurous tungstate

Quecksilber(ll)-wolframat n *mercury(ll) wolframate, mercury(ll) tungstate, mercuric tungstate

Quecksilberzange /mercury tongs Quecksilberzelle /mercury [cathode] cell (elec­

trolysis) quellbar capable of swelling, swellable -/in Wasser water-swellable Quellbarkeit /capability of swelling, swelling ca­

pacity, swellability quellbestandig resistant to swelling, swell-resist­

ant, non-swelling Quellbestandigkeit / resistance to swelling Quellbottich m (ferm) steep tank, steeping vat,

steeper Quelle / 1. source; 2. spring -/mobile mobile source [of emission] -/muriatische brine spring quellen to swell; to steep, to [cause to] swell quellfahig capable of swelling Quellfahigkeit / 1. capability of swelling, swelling

capacity; 2. swelling power Quellfassung fs. Quellwasserfassung quellfest resistant to swelling, swell-resistant, non­

swelling Quellfestmittel n non-swelling agent Quellgrad m s. Quellungsgrad Quellprufung /swelling test Quellpunkt m (glass) hot spot QuellschweiBen n solvent welding Quellstock m s. Quellbottich Quellungsbetrag m s. Quellungsgrad Quellungsdruck m swelling pressure Quellungsgeschwindigkeit /rate of swelling Quellungsgrad m degree (extent, amount) of

swelling Quellungsmittel n swelling agent Quellungsprufung /, Quellungsversuch m swell­

ing test Quellungswarme / heat of swelling Quellverhalten n swelling behaviour (properties) Quellvermogen n s. Quellfahigkeit Quellwasser n spring water Quellwasserfassung /spring protection Quellwirkung /swelling effect Quellzement m expanding (expansive) cement quenchen to quench (to slow down rapidly esp a

reaction) Quencher m quenching agent (photochemistry) Quenchol n (met) quench[ing] oil Querbruchfestigkeit /transverse strength Querdiffusion / (chromat) lateral diffusion Querflammenwanne f (glass) side-fired (side-port)

furnace Querlauf m s. Querrichtung Quermischung / radial mixing Querrichtung / (pap) cross direction (way) Querschlag m cross-gallery (underground gasifi­