月亮词典
首页
查询
primary standard
一级标准：在科学实验或测量中
常用释义
词性释义
一级标准：在科学实验或测量中，作为其他测量结果的参照物的标准。
例句
全部
The
process
whereby
the
concentration
of
a
standard
solution
is
determined
by
titration
of a
primary
standard
is
called
a
standardization
.
据此，该标准溶液的浓度是由一级标准滴定过程称为标准化。
The basic
equipment
for
radiometric
calibrating is a set of
standard
radiometer
and
primary
standard
source
.
辐射计校准最核心的设备是标准辐射计和标准辐射源。
In
either
method
,
a
highly
purified
chemical compound
-
called
a
primary
standard
is
required
as
the
reference
material
.
在这两种方法，一种高度纯化的化合物-称为一级标准要求作为参考材料。
Deadweight
testers
are
the
basic
primary
standard
for accurate
measurement
of
pressure
.
自重测试仪是基本的测量压力设备。
A
new
automated
spectro
radiometric
calibration
system
is
used
to
establish
the new
national
primary
standard
of
color
temperature
.
用一个自动的光谱辐射校准系统建立新的国家色温度基准。
Primary
standard
-
---
An
ambient
air
pollution
standard
designed
to
protect
human
health
.
基本标准——一个旨在保护人类健康的周围空气污染级别。
A
description
is
given
of
the
UK
primary
standard
graphite
calorimeter
system
.
描述的是英国的主要标准石墨量热系统。
Study
on
extending
measurement
range
of
viscosity
primary
standard
.
扩大粘度基准量程的研究。
REAGENTS
FOR
CHEMICAL
ANALYSIS
.
SPECIFICATIONS
.
PART
3
:
PRIMARY
STANDARD
. SODIUM
CARBONATE.
化学分析用试剂.规范.第3部分：一级标准.碳酸钠
The
international
primary
standard
for the kilogram
is
made
of
90%
platinum
,
10%
iridium
.
重量和长度的国际标准原型用90%的铂，10%的铱制成。
Check
the
solution
against
a
primary
standard
.
对照原来的标准液来检验此溶液。
The
Concept
of
Scientific
Development
:
Primary
Standard
of
Chinese
Public
Policy
Evaluation
科学发展观——我国公共政策评估的首要标准
Study
of
Drying
primary
Standard
Substances
by
Microwave
in
Lab
实验室常用基准物质的微波干燥实验
The
primary
standard
material
for
burning
rate
measurement of
composite
solid
propellants
复合固体推进剂燃速国家一级标准物质
Primary
standard
for
the
Sound
Pressure
of
Reciprocity
Technique
耦合腔互易法声压基准装置
Josephson
voltage
primary
standard
and
check
the
stability
of
DC
reference
standard
约瑟夫森电压基准与固态电压标准的稳定性考核
A
Study on
the
Establishment
of
Phase
Angle
Primary
Standard
by
Sampling
Measurement
通过采样测量技术建立相角基准的探讨
Primary
standard
for
plastic
ball
indentation
hardness
塑料球压痕硬度基准装置
Primary
standard
for
plastic
Rockwell
hardness
塑料洛氏硬度基准装置
Study
on the
Preparation
Techniques
of
China
's
Primary
Standard
Seawater
中国一级标准海水制备技术研究