月亮词典
首页
查询
PPB
十亿分之一
常用释义
词性释义
abbr. （美）十亿分之一（Parts Per Billion）
例句
全部
The presence
of
inclusions
and
developed prior
particle
boundaries
(
PPB
)
damage mechanical
properties
and
service
life
of HIP
disk
.
PPB（原始粉末颗粒边界）和夹杂物等缺陷对盘件的性能和使用寿命不利，必须予以消除。
Objective
:
To
assess
the
PPB
rate
and
outcome
and identify
risk
factors
associated
with
PPB
in
patients
taking
clopidogrel
.
目的：评估服用氯吡格雷病人PPB的发生率，结果以及相关的危险因素。
In
original
English
language
for the 1st
impression
.
The
Net Price
to the
Publisher
is
at the
ratio
1
.
6
of
the
PPB
cost
.
原书第一次印刷的文字形式是英文。出版者支付的净价依据PPB成本1.6的比率计算。
The
Model
220 GF
accessory
is the
latest
technology
in
PPB
level
analyses
by
graphite
furnace
AA
.
型石墨炉配件采用PPB同阶段分析的最新的技术。
Blood
levels
of
toxaphene
residues
plateaued
at
40
ppb
,
adipose
levels at
approximately
4000
ppb
.
血液中的毒杀芬残留量平稳在40浓度，脂肪含量约4000浓度。
Food
and
water
all
contain
lead
.
Currently
,
the EPA
allows
15
ppb
of
lead
in your
drinking
water
.
食品和水同样含铅，如今，美国环保署允许饮用水的含铅量是15PPB。
Study
on
flow
-
injection
spectrophotometric
determination
of
ppb
level
silicate
in boiler
water
and feedwater in thermal
power plant
基于流动注射分析技术快速测定电厂汽水中痕量硅酸盐的研究
Research
on
Spectrophotometric
Determination
of
ppb
-
level
Chloride
in
Boiler
Water
at
Power Plants
Based on
Flow
injection
Analysis
流动注射-分光光度法测定电厂炉水中微量氯离子的试验研究
Record
readout
in
ppb
after
60
seconds
60秒后记秒后记录测定结果