-
1 slurry drain
-
2 slurry drain
1) Экология: канава для навозной жижи2) Макаров: трубопровод для навозной жижи -
3 drain tank
-
4 wall
1) стена, вал; стенка; перегородка; переборка2) дамба, насыпь ( для защиты от наводнения)3) геол. боковая порода4) горн. забой, лава5) обыкн. мн. ч. укрепления ( в военном деле)6) стенной, настенный7) обносить стеной, валом; разделять стеной; заделывать8) укреплять, строить укрепления•to wall in — огораживать, обносить стеной
to wall off — отгораживать (стеной, забором)
- abutment wall - adiabatic wall - aisle wall - all-rowlock wall - anchor wall - anchored retaining wall - approach wall - apron wall - arch wall - area wall - areaway wall - ashlar wall - back wall - baffle wall - bag wall - barrier wall - battened wall - batter-curved wall - battering wall - bearing wall - below-grade wall - blank wall - bottom wall - boulder wall - boundary wall - boxed buttress wall - breast wall - brick wall - bridge wall - bulkhead wall - buttress wall - buttressed wall - buttress retaining wall - buttress stiffening cross wall - cantilevered wall - cantilever retaining wall - cantilever tee retaining wall - carrying wall - cavity wall - central core wall - ceramic wall - chief wall - city wall - cob wall - column-and-panel wall - common wall - composite core wall - compound wall - concrete block masonry wall - concrete block quay wall - concrete core wall - continuous training wall - coping wall - core wall - core wall of dam - counterfort retaining wall - counterforted retaining wall - counterscarp wall - crib retaining wall - cross wall - crown wall - curtain wall - cut-off wall - dead wall - deflecting wall - diaphragm wall - diathermal wall - dirt wall - divide wall - dividing wall - division wall - double-face wall - downstream curtain wall - drain wall - dry wall - dry rubble wall - dry stone wall - dwarf wall - embankment wall - enceinte wall - enclosure wall - end wall - exposed wall - facade wall - face wall - faced wall - fencing wall - fender wall - filler wall - filtration-proof wall - fire wall - fire-division wall - fireproof wall - flat wall - flood wall - foot wall - foundation wall - frame wall - free-standing sheet pile wall - front wall - furred wall - gable wall - gravity wall - gravity quay wall - gravity retaining wall - guard wall - guide wall - half-brick wall - half-timber wall - head wall - heat insulated wall - hollow wall - hollow concrete quay wall - hollow core wall - honeycombed wall - intake wall - internal wall - jacketed wall - key wall - land lock wall - latticed partition wall - lightweight wall - load-bearing wall - loam wall - main wall - masonry wall - monolith quay wall - moorage wall - mortarless wall - moving wall - mud wall - naked wall - non-bearing wall - non-loadbearing wall - one-and-half brick wall - one-brick wall - outer protective wall - outside wall - oven wall - pack wall - panel wall - parapet wall - partition wall - party wall - perforated wall - periphery wall - piling wall - plinth wall - porous wall - prefabricated wall - prefabricated area wall - puddle wall - quay wall - reed slab wall - relieving wall - retaining wall - retaining wall with surcharge - retention wall - revetment wall - ribbed wall - ring wall - river lock wall - rough wall - rubble wall - rubble retaining wall - rubble toe wall - sandwich wall - scarp wall - sea wall - sealing wall - self-supporting wall - self-sustaining wall - separation wall - serpentine wall - shadow wall - sheet-pile wall - sheet-pile retaining wall - shelter wall - short training wall - side wall - skimmer wall - skimming wall - sleeper wall - slot wall - slurry wall - socle wall - solid quay wall - soundproof wall - spandrel wall - spillway guide wall - spine wall - spiral wall - splay walls - stair wall - stepped side wall - string wall - stringer wall - structural wall - stud wall - suspended wall - tail wall - talus wall - tied retaining wall - tile-hung wall - toe wall - training wall - tube wall - turf wall - two-and-a-half brick wall - two-brick wall - unpierced wall - upstream wall - veneered wall - wake wall - wall-derrick wall - waterproofing wall - wave wall - wharf wall - whole-brick wall - window wall - wing wall - wing wall of lockto wall up —1) производить кладку стены 2) заделывать (дверь, окно), замуровывать
* * *1. стена (здания, сада)2. стенка (траншеи, котлована)3. крепостной вал- above-grade wallto wall up — заделывать [замоноличивать] в стену
- all-brick wall
- all-rowlock wall
- anchor wall
- anchored retaining wall
- anchored sheetpile wall
- anchored sheet wall
- angular retaining wall
- apron wall
- arched retaining wall
- area wall
- avalanche baffle wall
- backup wall
- baffle wall
- basement wall
- basement retaining wall
- bearing wall
- below-grade wall
- bin wall
- bin-type retaining wall
- blank wall
- blind wall
- block wall
- block quay wall
- boulder wall
- boundary wall
- bracket-type retaining wall
- breast wall
- brick wall
- brick-and-a-half wall
- bridge spandrel wall
- bulged retaining wall
- bulkhead wall
- buttressed retaining wall
- canted wall
- cant wall
- cantilevered quay wall
- cantilevered retaining wall
- cast-in-place trench wall
- cavity concrete block wall
- ceramic wall
- climbing wall
- collision wall
- common wall
- compound wall
- concrete wall
- concrete block gravity wall
- concrete block masonry wall
- concrete core wall
- concrete tile masonry wall
- concrete tile wall
- core wall
- counterfort retaining wall
- crib retaining wall
- cross wall
- curtain wall
- curved wall
- cutoff wall
- cutoff sheet pile wall
- dead wall
- diaphragm wall
- diaphragm retaining wall
- dividing wall
- division wall
- drop wall
- dry wall
- dry stone wall
- dwarf wall
- economy wall
- embankment wall
- enclosure wall
- envelope wall
- exterior wall
- external wall
- external panel wall
- face wall
- faced wall
- falling wall
- fence wall
- fender wall
- filler wall
- fire wall
- fire division wall
- fixed retaining wall
- flank wall
- flexible retaining wall
- flexible wall
- foundation wall
- freestone wall
- front wall
- gable wall
- garden wall
- garden wall with coping stones
- glass wall
- glass brick wall
- gravity masonry wall
- gravity quay wall
- ground wall
- guard wall
- guide wall
- half-brick wall
- head wall
- hollow masonry wall
- hollow wall
- honeycomb wall
- hopper wall
- infilled wall
- interior wall
- knee wall
- lateral wall
- lattice retaining wall
- load-bearing wall
- mechanical core wall
- metal curtain wall
- naked wall
- noise abatement wall
- noise control barrier wall
- nonbearing wall
- one-brick wall
- operable wall
- outer wall
- panel wall
- paneled wall
- parapet wall
- party wall
- perforated wall
- periphery wall
- pierced wall
- plastered wall
- precast barrier wall
- precast barrier wall for noise control
- precast basement wall
- quay wall
- retaining wall
- revetment wall
- ribbed wall
- rising wall
- rollock cavity wall
- rubble masonry wall
- rubble wall
- sandwich wall
- screen wall
- sea wall
- sectional retaining wall
- semigravity wall
- shear wall
- shotcreted wall
- side wall
- sleeper wall
- slurry-type wall
- slurry wall
- solid masonry wall
- solid retaining wall
- sound-proof wall
- spine wall
- splitter wall
- steel curtain wall
- stone wall
- storm wall
- structural wall
- stub wall
- stud wall
- surcharged wall
- thrust resistance wall
- tied retaining wall
- timber-paneled wall
- toe wall
- training wall
- veneered wall
- waterproofing below-grade wall
- whole-brick wall
- window wall
- wing wall -
5 tank
1) бак; цистерна; танк2) резервуар3) ванна, чан4) водохранилище; (искусственный) водоём; бассейн6) сил. шламбассейн12) кфт. ба(чо)к•to bleed [empty\] a tank — опорожнять резервуар;to fuel the tank — возд. заправлять бак топливом;to roll a tank — перемешивать нефть в резервуаре (каким-л. газом);to run a tank — сливать нефть из резервуара в трубопровод;to strap a tank — измерять ёмкость резервуара;to switch to the proper tank — возд. переключать выключателем на расход топлива из соответствующего бака;to thief a tank — отбирать пробы в резервуаре;to turn the proper tank on — переключать краном на расход топлива из соответствующего бака;-
accumulator tank
-
acid dump tank
-
activated tanks
-
additive tank
-
aeration tank
-
aft fuel tank
-
afterpeak tank
-
agitator tank
-
air blow tank
-
air tank
-
air-buoyancy tank
-
air-oil tank
-
alternate fuel tank
-
anodizing tank
-
antipitching tanks
-
antirolling tanks
-
aseptic tank
-
asphalt-lined tank
-
auxiliary fuel tank
-
auxiliary tank
-
backwater tank
-
bag fuel tank
-
balance tank
-
balancing tank
-
ballast tank
-
balloon roof tank
-
bath tank
-
bioaeration tank
-
blanching tank
-
bleaching tank
-
blending tank
-
blend tank
-
blow-off tank
-
boat tank
-
boil tank
-
bottomless offshore storage tank
-
bottomless offshore tank
-
breathing tank
-
brine tank
-
bulk oil tank
-
bullet tank
-
buoyancy tank
-
burial tank
-
buried tank
-
cantilever tank
-
canvas tank
-
cargo tank
-
catch tank
-
cathode tank
-
cement slurry mixing tank
-
cement mixing tank
-
charging stock tank
-
charging tank
-
chill tank
-
chromatographic tank
-
clarification tank
-
clean ballast tank
-
coagulation tank
-
cold water tank
-
collapsible tank
-
collecting tank
-
compound surge tank
-
compressed-air surge tank
-
concentrate holding tank
-
concentration tank
-
concentrator tank
-
condensate gathering tank
-
condensate tank
-
conservator tank
-
constant header tank
-
constricted tank
-
continuous tank
-
controlled passive tanks
-
coolant bleed holdup tank
-
core flooding tank
-
core flood tank
-
corner tank
-
crude oil storage tank
-
crude storage tank
-
cryogenic tank
-
culture tank
-
culture-holding tank
-
curing tank
-
cuttings tank
-
daily service tank
-
daily tank
-
day tank
-
deaerator storage tank
-
decanting tank
-
decay tank
-
deck tank
-
deep tank
-
defecation tank
-
degassing tank
-
depositing tank
-
detritus tank
-
developing tank
-
differential surge tank
-
digestion tank
-
dip tank
-
discharge tank
-
dishwasher tank
-
distilling tank
-
domestic water tank
-
dome-type tank
-
double-bottom tank
-
drain tank
-
drilling mud mixing tank
-
drilling mud settling tank
-
drilling mud storage tank
-
drilling mud suction tank
-
drilling mud tank
-
drinking water tank
-
drip tank
-
Dubai storage tank
-
dump tank
-
earth tank
-
earthen tank
-
electrolytic tank
-
elevated tank
-
emergency head tank
-
emergency tank
-
equalizing tank
-
etching tank
-
etch tank
-
evacuated tank
-
evaporation tank
-
expansion tank
-
expansion-roof tank
-
external fuel tank
-
ex-vessel storage tank
-
fabric tank
-
feed tank
-
feedwater tank
-
ferry fuel tank
-
field tank
-
filling tank
-
filter tank
-
filter-bottom tank
-
first fuel consumed tank
-
fixed-roof tank
-
fixing tank
-
flexible fuel tank
-
flexible tank
-
float tank
-
floating roof tank
-
flocculating tank
-
flotation tank
-
flow tank
-
flushing tank
-
flush tank
-
forepeak tank
-
formula mixing tank
-
free-water settling tank
-
fuel consumed tank
-
fuel expansion tank
-
fuel oil tank
-
fuel tank
-
gage tank
-
gas tank
-
gas-decay tank
-
gasoline tank
-
glass-melting tank
-
globe-bottom tank
-
globe-roof tank
-
gravitation tank
-
grease skimming tank
-
grounded tank
-
gunbarrel tank
-
gunwale tank
-
head tank
-
header tank
-
heated digestion tank
-
heat-exchange tank
-
heeling tank
-
hemispheroid tank
-
hide brining tank
-
hip tank
-
holding tank
-
holdup tank
-
hot tank
-
hot-water tank
-
hydraulic tank
-
ice-storage tank
-
inflatable dome-roof tank
-
inground tank
-
injection tank
-
ink tank
-
integral tank
-
interconnected tanks
-
intermittent tank
-
lagering tank
-
lager tank
-
land storage tank
-
lead-lined tank
-
lease tank
-
liberator tank
-
lifter-roof tank
-
lime coating tank
-
lower wing tank
-
low-temperature tank
-
lubrication tank
-
massecuite tank
-
maturing and deaeration tank
-
measuring tank
-
melting tank
-
melting-out tank
-
mixing tank
-
model tank
-
molten spelter tank
-
monitoring tank
-
multiple tank
-
multisphere tank
-
neutralization tank
-
neutron-shield tank
-
oil tank
-
oil-gathering tank
-
oil-storage tank
-
orifice surge tank
-
overflow tank
-
overhead storage water tank
-
overhead tank
-
oxidation tank
-
paraffin tank
-
parboiling tank
-
passive stabilizing tanks
-
pickle tank
-
pillow tank
-
pipeline tank
-
precipitation tank
-
preconditioning tank
-
premixing tank
-
presettling tank
-
pressure tank
-
pressurized tank
-
priming tank
-
processing tank
-
quench tank
-
quenching tank
-
radiator top tank
-
rating tank
-
reactivation tank
-
receiving tank
-
refining tank
-
refrigerated truck tank
-
regenerant tank
-
rejection tank
-
rendering tank
-
restricted orifice surge tank
-
retention tank
-
rinse tank
-
rising tank
-
rotating-arm tank
-
roughing tank
-
rubberized tank
-
rubber-lined tank
-
run tank
-
run-down tank
-
salt-settling tank
-
scale settling tank
-
scrubbing tank
-
seamless tank
-
second fuel consumed tanks
-
sedimentation tank
-
seed tank
-
self-priming tank
-
self-sealing fuel tank
-
separating tank
-
septic tank
-
service mud storage tank
-
service tank
-
settling tank
-
sewage tank
-
sewage treatment tank
-
shaker tank
-
shotgun tank
-
simple surge tank
-
single-chamber tank
-
skimming tank
-
slipper fuel tank
-
slop tank
-
sludge digestion tank
-
sludge tank
-
slurry tank
-
solvent catch tank
-
solvent tank
-
spiral flow tank
-
stabilizing tanks
-
steeping tank
-
stock tank
-
storage tank
-
submerged tank
-
subsidence tank
-
subsurface tank
-
suction tank
-
sulfitation tank
-
sump tank
-
supply tank
-
surge tank
-
swarf-settling tank
-
switch tank
-
tank of oil circuit-breaker
-
tempering tank
-
test tank
-
throat-type tank
-
throat tank
-
tongs cooling tank
-
topside tank
-
towing tank
-
transformer tank
-
transit site tank
-
trimming tank
-
trim tank
-
trip tank
-
truck tank
-
ungrounded tank
-
unlined tank
-
vacuum tank
-
vacuum-degassing tank
-
vapor-tight tank
-
vent tank
-
vented tank
-
ventral fuel tank
-
volume tank
-
wash tank
-
washing tank
-
washwater tank
-
waste tank
-
water-scaled tank
-
water-sprayed tank
-
water-supply tank
-
water-top tank
-
wave tank
-
weathering tank
-
wet-oil tank
-
window tank
-
wingtip fuel tank
-
working tank
-
yeast assimilation tank -
6 trap
1. ловушка, улавливатель, уловитель; ловушка для отделения газа от жидкости или нефти от воды; трап; сепаратор2. заградитель; затвор3. геол. складка, сброс, дислокация4. геол. трап, базальт, диабаз— air trap— gas trap
* * *
1. ловушка, уловитель2. трап, газонефтяной сепаратор— air trap— gas trap— oil trap— pig trap
* * *
1. ловушка ( для нефти и таза) (геол.)2. трапп (ловушка для отделения газа от жидкости, используемая в газовом каротаже)3. сепаратор; конденсационный горшок.
* * *
1. ловушка (для нефти, газа)2. внутреннее прерывание (компьют.)
* * *
1) ловушка (); трап, газонефтяной сепаратор; уловитель3) заградитель; затвор•trap for oil — геол. ловушка для нефти;
to fill the trap — заполнять ловушку (о нефти, газе);
to occupy the trap — заполнять ловушку (о нефти, газе);
to trap oil escape — захватывать выделения нефти;
- air trap- anticlinal trap
- atmospheric pressure trap
- ball-float trap
- bucket trap
- charcoal trap
- cold trap
- combination trap
- complex trap
- condensate trap
- conimmersion trap
- deep-seated trap
- depositional trap
- fault trap
- field oil trap
- final resin trap
- float steam trap
- floating oil trap
- gas trap
- gasoline trap
- gravity trap
- horizontal sand trap
- hydrocarbon trap
- hydrodynamic trap
- ice trap
- liquid trap
- moisture trap
- mouse trap
- mud trap
- nozzle sludge trap
- oil trap
- oil trap with coalescing filters
- oil trap with hanging walls
- oil trap with oil drain
- oil-and-water trap
- open oil trap
- permeability trap
- pig trap
- porosity trap
- primary trap
- reef trap
- return trap
- salt dome trap
- sample trap
- sand trap
- scraper pig trap
- screened trap
- secondary trap
- self-cleaning trap
- self-purging trap
- sludge trap
- slurry trap
- stratigraphic trap
- structural trap
- suspended water trap
- tool trap
- twin-chamber sand trap
- unconformity trap
- water trap
- zero-pressure trap* * *• 1) заманивать в ловушку; 2) пойманный• 1) ловушка; 2) трап• затвор• захват• ловушка• сброс• сброс, складка или моноклиналь, служащая ловушкой для нефти -
7 casting
2) отливка; мн. ч. литьё ( изделие)5) коробление ( древесины)7) стереотип8) пищ. формование отливкой9) пищ. отформованное отливкой изделие, отливка 10 бтх формообразование•casting as a tape — электрон. литьё плёнки;casting into molds — заливка в формы;casting under counterpressure — литье методом противодавленияcasting of guides — трик. заливка ушковых игл в плиткиcasting of sinkers — трик. заливка платин в плитки-
argon casting
-
art castings
-
basalt castings
-
blackheart malleable casting
-
blown casting
-
bottom casting
-
bottom pressure casting
-
car casting
-
cavityless casting
-
centrifugal casting
-
chill casting
-
close-tolerance casting
-
composite casting
-
continuous casting
-
continuous glass casting
-
continuous-continuous casting
-
dead mold casting
-
die casting
-
direct chill casting
-
direct casting
-
display type casting
-
double-strand casting
-
downhill casting
-
drain casting
-
dry-sand casting
-
dummy casting
-
explosive casting
-
fettled casting
-
flask casting
-
frail casting
-
frame thin casting
-
friction casting
-
furnace castings
-
fusion casting
-
gel casting
-
green casting
-
green-sand casting
-
group casting
-
half-blank casting
-
hard casting
-
hollow casting
-
hot-torn casting
-
inclined casting
-
injection casting
-
inversion casting
-
investment casting
-
iron castings
-
ladle-to-ladle casting
-
ladle-to-mold casting
-
line casting
-
malleable casting
-
misrun casting
-
mold castings
-
multiple-core casting
-
needle casting
-
nonferrous castings
-
one-of-a-kind casting
-
one-piece block casting
-
one-piece casting
-
open sand casting
-
permanent-mold casting
-
piston body casting
-
plaster mold casting
-
pressure die casting
-
refractory sleeve casting
-
reinforced casting
-
rough casting
-
sand mold casting
-
semicontinuous casting
-
semicontinuous glass casting
-
semipermanent mold casting
-
shaped castings
-
shell mold casting
-
skull casting
-
slip casting
-
slug casting
-
slurry casting
-
stone casting
-
suction casting
-
template casting
-
tundish casting
-
underframe end casting
-
uphill casting
-
vacuum casting
-
vacuum suction casting -
8 bed
1) фундамент; опорная подушка; основание; подушка, постель (кирпича, шифера); подготовка2) рама; станина3) кладка4) полотно дороги; ложе, русло ( реки)5) водоносный пласт, водоупор6) верхняя, нижняя грань камня7) лещадь8) мн. ч. горизонтальные швы каменной кладки9) среда, наполнитель в фильтре или умягчителе10) стенд11) заделывать погружать; пригонять; ставить на основание; укладывать; устанавливать•to bed in — притирать, прирабатывать
bed for continious laying and tensioning of reinforcement — стенд для непрерывной раскладки и натяжения арматуры
- bed of furnace - bed of rough material - adsorbent bed - anion bed - bacteria bed - ballast bed - boulder bed - casting bed - cation bed - cement sand bed - clarification bed - clay bed - contact bed - dense bed - embankment bed - expanding bed - filter bed - fine bed - flat bed - flood bed - flowered bed - foundation bed - gravel bed - high-water bed - impervious bed - inert mixed bed - limestone bed - medium bed - mixed bed - mixed-resin bed - mortar bed - natural bed - prestressing bed - resin bed - ripping bed - river bed - road bed - rock bed - sand bed - sand filter bed - single-medium bed - slurry bed - sprinkling bed - stepped bed - stone bed - storm-water bed - veneered bed - waterbearing bedbed in a cabinet — кровать, убирающаяся в шкаф
* * *1. основание ( фундамента)2. подстилающий слой; постель3. лещадь4. постельная грань (камня, кирпича)5. клумба; гряда6. геол. пласт, горизонт, слой7. русло; дно ( реки)8. заделывать, укладывать (напр. кабель)- bed of boards
- bed of brick
- bed of mortar
- bed of slate
- aeration bed
- anion bed
- back bed
- bacteria bed
- ballast bed
- beam bed
- canal bed
- casting bed
- cation bed
- competent bed
- concrete casting bed
- confining bed
- contact bed
- contact filter bed
- crushed-stone bed
- drain filter beds
- drying bed
- equalizing bed
- filter bed
- filtration beds
- fluidized bed
- foundation bed
- ice bed
- limestone bed
- low-water bed
- mixed bed
- mortar bed
- natural bed
- packed bed
- pipeline bed
- prestressing bed
- prestress bed
- railroad bed
- river bed
- road bed
- rock bed
- sand bed
- seepage bed
- sludge draining bed
- sludge drying bed
- suspended sludge bed
- underdrainage bed -
9 sump
1) грязевик, отстойник, отстойный колодец; зумпф2) поддон•- mud sump - pump sump* * *приямок, зумпф; отстойник- dry sump
- pump sump
- sludge sump
- slurry sump
- wet sump
См. также в других словарях:
Toilet — This article is about a sanitation fixture used primarily for the disposal of human excrement. For a room containing a toilet, see toilet (room). For other uses, see toilet (disambiguation) … Wikipedia
Papermaking — [ thumb|230px|right|The Diamond Sutra of the Chinese Tang Dynasty, the oldest dated printed book in the world, found at Dunhuang, from 868 AD.] Papermaking is the process of making paper, a material which is used ubiquitously today for writing… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Dam — This article is about structures for water impoundment. For other uses, see Dam (disambiguation). Hoover Dam, a concrete arch gravity dam in Black Canyon of the Colorado River. Lake Mead in the background is impounded by the dam … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Agriculture in the United Kingdom — A combine harvester in Scotland Agriculture in the United Kingdom uses around 71% of the country s land area and contributes about 0.6% of its gross value added. The UK produces less than 60% of the food it eats and the industry s share of the… … Wikipedia
Tunnel — This article is about underground passages. For other uses, see Tunnel (disambiguation). Underground tunnel for heatpipes between Rigshospitalet and Amagerværket in Denmark … Wikipedia
Factory farming — A commercial chicken house raising broiler pullets for meat … Wikipedia
Consolidation (soil) — Consolidation is a process by which soils decrease in volume. According to Karl Terzaghi consolidation is any process which involves decrease in water content of a saturated soil without replacement of water by air. [citation needed] In general… … Wikipedia
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Zinc–air battery — specific energy 470 (practical),1370 (theoretical) Wh/kg[1][2] (1.692, 4.932 MJ/kg) energy density 1480 9780 Wh/L[c … Wikipedia