This article described the determination of hydrogen in steel, copper, niobium, tantalum and titanium with ceramic crucible by high frequency induction-thermal conductivity method.
介绍了采用陶瓷坩埚用高频加热-热导法测定钢铁、铜、铌、钽、钛中的氢。
Relative accuracy of regional gravimetric geoid determination is estimated by an frequency domain analysis, which is determined by regional terrestrial gravity measurements and geopotential model.
以频域解析方法,研究由地面重力数据、全球位模型确定区域重力大地水准面的相对精度估计。
That includes the determination of persons, frequency, sphere, obtaining of evaluation proof, defining of laws and regulations and other requirements and the general process.
包括评价人员的确定、评价频次、评价范围、评价证据索取、法律法规和其他要求的界定,以及合规性评价的一般过程。
Firstly, the concepts of frequency residual and mode shapes residual are introduced, the determination of objection function and selection methods of updated parameters are emphatically investigated.
文中提出了一种基于不同残差的桥梁结构模型修正方法,介绍了频率残差和振型残差的概念,目标函数的确定和设计参数的选择方法。
OBJECTIVE To study the principle of dynamic response frequency in piezoelectric coagulation and (establish) a new method for endpoint determination of the analysis.
目的探讨体外凝血反应引起压电传感器频率变化的规律,建立压电凝血终点判断模型。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
本文介绍一种基于频率变换的时间放大技术,可用于正弦周期信号的相位精确测量或延迟时间测量。
The intrinsic frequency of a beaker can be determined by means of direct determination, resonance or water drip modulation, and each of the methods makes use of the Lissajous figure.
烧杯的固有频率可以用直接测量法、共振法或水滴流调制法加以测定,各法中均利用利萨如图形。
A rapid, sensitive, simple and convenient method for the determination of sulfur in foods and vegetables by high frequency induction combustion-infrared absorption photometry is reported.
本文利用高频红外法测定粮食和蔬菜中硫含量,它是一种快速、灵敏和简便的方法。
The deformation and fracture of mild steel under high frequency bending fatigue has been studied by optical microscope, scanning electron microscope and microhardness determination.
用光学、扫描电子显微镜及显微硬度计,研究了低碳钢在高频弯曲疲劳过程中的形变及断裂。
This paper studies the orbit determination of LEO satellites using GPS receivers of single frequency in condition of not depending on GPS differential reference stations.
研究在不依赖于GPS差分基准站的情况下,利用单频gps接收机对低轨卫星进行定轨的算法。
The low frequency sound equipment to replay, is used for the determination of the replay bass sound system or a speaker can dive to what extent the scale.
耳机低频延伸:指音响器材所能重放的最低频率,是用于测定在重放低音时音响系统或音箱所能下潜到什么程度的尺度。
The low frequency sound equipment to replay, is used for the determination of the replay bass sound system or a speaker can dive to what extent the scale.
耳机低频延伸:指音响器材所能重放的最低频率,是用于测定在重放低音时音响系统或音箱所能下潜到什么程度的尺度。
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