1.((du)ӛ)
(jng)(x)(dng)λҪMǡhλ
d^(x)ܴ̼ȳF(xin)ֲλ
(jng)(x)(dng)λď(f)OK+Ĥ֕r(sh)KK+M(jn)һY(ji)γɡؓ(f)λ̼d^ĻlʹĤλ_(d)λ
2.((du)ӛ)
(jng)(x)(dng)λOĮa(chn)cNa+ͨ_P(gun)@NNa+ͨڡ늉Tͨ
(jng)C^λጷACha(chn)Kλ^кηNͨcW(xu)Tͨ
3.((du)ӛ)
d^Cտs(lin)(x)d^r(sh)ጷŵ{еCa2+ͨ^ʲôC(j)ƻյ|(zh)W(wng)Kĩء}á
(jng)wSd^r(sh)a(chn)Na+(ni)K+t(y)W(xu)W(wng)lͨ^ʲôC(j)ƵԻ֏(f)oϢB(ti)c
(x)xO2a(chn)CO2ͨ^ʲôĤD(zhun)\(yn)֬|(zh)pӌӡ
4.((du)ӛ)
ŮѪҺмt(x)Ӌ(j)(sh)ǡ(3.55.0)1012(g)/L.
˰or(sh)ѪҺа(x)Ӌ(j)(sh)ǡ(410)109(g)/L.
ѪҺѪСӋ(j)(sh)ǡ(100300)109(g)/L.
5.((du)ӛ)
ѪҺ̵Č(sh)|(zh)ˡwS
Ѫ{zwBҪѪ{ġ
Ѫ{wBҪѪ{ġNa+.
6.((du)ӛ)
MƓpr(sh)(chung)ѪҺl(f)׃ǡ
AѪ˵ļt(x)cBѪ˵Ѫr(sh)t(x)l(f)׃ǡ
t(x)Ҹ(wn)Բr(sh)t(x)F(xin)BB
7.((du)ӛ)
ēԼ(x)ֵļ(x)ǡ(x)
ጷŽM^Yļ(x)ǡȉA(x)
cֹѪ(g)h(hun)(ji)ļ(x)ǡѪС塣
8.((du)ӛ)
ɷӳҳO^̵ǡQRSȺ
ɷӳķO^̵ǡ²
ɷӳҏ(f)O^̵ǡT
9.((du)ӛ)
(do)ٶIJλֿҰwS
ߵIJλ]Y(ji)
(do)ٶIJλҽ
10.((du)ӛ)
һ(g)Ą(dng)(dng)}ѪƽֵQ顪ƽ(dng)}
һ(g)Ą(dng)У(dng)}ѪֵQ顪տs
ķǻo}(ni)ѪQo}
տsc揈֮Q顪}
11.((du)ӛ)
y(c)ΓQЧ^õָ(bio)ǡͨ/Ѫֵ
y(c)ͨЧ^õָ(bio)ǡr(sh)gλ
12.((du)ӛ)
wQr(sh)݃(ni)O2ͨ^ݱҺwӡ
ݢƤ(x)ڡݱ|(zh)
ݱ揈ԡݱҺwӡ
ֱͨӄ(dng)ǡ(ni)c≺֮
Ĥǻ(ni)ؓ(f)ֵСȡQλؿs
13.((du)ӛ)
협(yng)Կ鷴ӳηNָ(bio)Ώ
ڷεķǏҪǡ?d)?/P>
14.((du)ӛ)
SB12Ҫղλc
đ}Ҫղλc
(ni)ӵĮa(chn)λθ
15.((du)ӛ)
a(chn)Һصļ(x)ǡСcϲS(x)
θҺH+ļ(x)ǡθڼ(x)
16.((du)ӛ)
̼Һط(qing)Ĵ̼ǡ}
θҺڵǡ}
17.((du)ӛ)
Ҫǽ͡(du)ɢ
oߟỼññͨ^ӡ(do)ɢ
oߟỼ߾ƾԡǞӡl(f)ɢᡣ
18.((du)ӛ)
{(dio)(ji)h(yun)СܼϹ܌(du)ˮյҪǡ
{(dio)(ji)h(yun)СϹ܌(du)Na+յҪǡȩͪ
ɴ̼ȩͪڵҪǡѪܾoآ
19.((du)ӛ)
o}ע¶𡪡B
һôˮ(do)Q顪ˮ
XҕϺܓp𡪡Y
20.((du)ӛ)
(ni)KѪտsIw顪w
(jng)(ji)(x)ĤϵwǡN1w
֧ƽ揈Iw顪2w
(zh)I(y)t(y)f(wn)}(k)dح"f(wn)}(k)(zh)I(y)t(y)ԇ"
P(gun)]