曝光台 注意防骗
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protection shall be worn. SCBA for firefighters.
(4) AIRCRAFT AND LOCATION. Various aircraft onboard
mission computer batteries.
(5) FIRE SUPPRESSION PROCEDURES. Lithium
metal and thionyl chloride reacts violently with water. Use
only a graphite powder such as Lith-X. Never use water,
wet sand, carbon tetrachloride, carbon dioxide, or any
other liquid or powder to extinguish a lithium fire.
o. LUBRICATING OIL. Hydrocarbon based oil with
the addition of corrosion and oxidation inhibitors. See
Skydrol.
p. MAGNESIUM. Magnesium is a silvery-white metal
that looks like aluminum, but is lighter in weight.
(1) HEALTH HAZARD. Magnesium dust is a slight
irritant. In fire conditions, protect eyes and skin against
flying particles. Avoid direct viewing of magnesium fires
as eye injury may result. Fire produces toxic gas.
(2) FIRST AID. If burns are received, contact a physician.
Corrosive solution in contact with water. Treat skin
contact for corrosive burns.
(3) FIRE HAZARD. Do not use water or foam. Corrosive
solution in contact with H2O. Fine powder, thin
sheets, chips and trimmings, are easily ignited and burn
with intense heat and brilliant white flame. Pieces having
thickness over 1/8 inch are difficult to ignite or to maintain
flame as heat is conducted away so rapidly. However,
thick pieces can be ignited when enough heat is
applied. In finely divided form, will react with water and
acids to release hydrogen; also hazardous in such form
with chlorine, bromine, iodine, oxidizing agents, and acids.
Produces flammable gases in contact with water.
(4) AIRCRAFT AND LOCATION. Magnesium parts
arelocated on most aircraft in different locations. One
major use is in wheel assemblies.
q. NITROGEN TETROXIDE. Fumes vary in color from
light orange to reddish brown to blue or green at low temperature.
Is a strong oxidizer.
(1) HEALTH HAZARD. Skin contact with liquid form
will cause burns similar to nitric acid. Eye contact may
cause blindness. If swallowed, may result in death from
sever internal burns. Prolonged inhalation will result in
irritation of respiratory tract and may cause pulmonary
edema. Toxic, may be fatal if absorbed through skin or
inhaled.
(2) FIRST AID. Remove victim from contaminated
area and then carefully remove all contaminated clothing.
Wash victim with liberal amounts of water. Get immediate
medical attention.
(3) FIRE HAZARD. Contain fire and let burn. If fire
has to be fought, use water only.
(4) PERSONAL PROTECTION. Fully encapsulate for
vapor protection entry into a nitrogen tetroxide atmosphere
which is extremely hazardous. Approved respiratory
protection shall be worn for spills.
(5) AIRCRAFT AND LOCATION. Orbiter Vehicle has
one tank in nose and four in aft section.
r. OXYGEN - GASEOUS AND LIQUID. Oxygen is a
powerful oxidizer in the liquid and gaseous states. It is
colorless, odorless, and slightly heavier than air. In
theliquid state, it is pale blue in color and slightly more
dense than water.
(1) HEALTH HAZARD. The oxygen rich atmosphere
can be ignited by an ignition source. Oxygen in the liquid
state is generally less dangerous than oxygen stored as
a high pressure gas. Liquid oxygen boils (vaporizes) at
minus 297°F, and will freeze any object that comes in
contact with it.
(2) FIRST AID. If liquid oxygen contacts the skin,
flush the affected area with water; contact a physician.
3-9
TO 00-105E-9
(3) FIRE HAZARD. Non-flammable in normal concentrations;
however, it reacts vigorously with both flammable
and many non-flammable materials.
(4) LOCATION AND AMOUNT. Oxygen is located in
different places aboard the aircraft and of various
amounts. See aircraft diagrams for location starting with
Chapter 4.
s. POLYCRYLIC ACID (PPA). PPA is a hydrotreated
light distillate petroleum with a white semi-solid appearance
with a slight odor. Common name: Easy Glaze.
Used as a fixant on broken up aircraft materials that are
prone to being airborne, such as composite fibers.
(1) HEALTH HAZARD. Inhalation, dizziness, abdominal
discomfort, central nervous system depression, headache,
nausea and mucous membrane irritation. For eyes,
conjuctivitis. For skin/ingestion, irritation.
(2) FIRST AID. Wash skin and hands after use. If
ingested, do not induce vomiting. Give water. Obtain
medical attention in all cases.
(3) FIRE HAZARD. Flashpoint 200°F. Extinguishing
media: CO2, foam, dry chemical, or water. Wear SCBA
in positive pressure mode and full protective gear. Conditions
to avoid: heat sources, sparks, flames, freezing.
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