time of flight
[航] 飞行时间;渡越时间
2025-08-15 17:02 浏览次数 7
[航] 飞行时间;渡越时间
1. of, relating to, being, or done with an instrument (such as a mass spectrometer) that separates particles (such as ions) according to the time required for them to traverse a tube of a certain length
2. of, relating to, being, or done with an instrument (as a mass spectrometer) that separates particles (as ions) according to the time required for them to traverse a tube of a certain length
a time-of-flight imaging system time-of-flight magnetic resonance angiography —abbreviation TOF
time of flight TOF飞行时间
time of flight spectrometry飞行时间谱学
time-of flight MS行时间质谱
time-of flight MSTOF-MS飞行时间质谱
Gas-filled magnet and time-of flight充气磁谱仪飞行时间法
Time of Flight Diffraction衍射时差法
Time-of flight analyzer飞行时间分析器
time-of flight mass spectrometry飞行时间质谱
free time of flight自由飞行时间
aerosol time of flight mass spectrometry(atofms) determines aerodynamic size in the 0.
气溶胶飞行时间质谱仪(atofms)是采集粒径范围在0。
the design of experimental device for the time of flight spectrum in the thermal column of the pulse reactor measurement was given, and the time spectrum measured result was shown at the same time.
文章介绍飞行时间法测量中子能谱的基本原理,给出脉沖堆热柱孔道飞行时间谱测量实验的系统设计及时间谱测量结果,利用自行研制的解谱程序求解飞行时间法测量的热柱孔道热中子能谱分布。
we study the dissociation channel and mechanism of anisole in the experiment using the time of flight mass spectrometer with the interaction of laser.
我们的实验是利用飞行时间质谱仪在激光作用下研究苯甲醚的多光子电离质谱能够得到苯甲醚分子的解离通道及机理。
a program is established based on the monte carlo technique to simulate the time of flight spectrum in ion atom collisions.
基于蒙特卡罗方法,建立了程序模拟离子与原子碰撞中的反沖离子飞行时间谱。
using dsc-coulometric nitrogen oxide detector, time of flight mass spectrometer, the authors studied the thermal decomposition characteristics of hmx and its catalytic systems.
用dsc-库侖池联用仪和飞行时间质谱仪对hmx及其催化体系的热分解进行了研究。
positronium time of flight spectroscopy(ps-tof) represents the properties about the pore size, direction and inner-connection in materials.
正电子素飞行时间谱能够无损地给出材料开孔的尺寸、方向、以及内部连通性等性质。
what about the departure time of flight 911 next friday?
抱歉,我必须取消下周五911航班的预订座位。
all the enzymes presented during the process of glucose degradation were identified by matrix-assisted desorption ionization - time of flight (maldi-tof ms).
采用基质辅助激光解吸电离飞行时间质谱(maldi-tof-ms)对杯芳烃化合物进行了分析。
mra used 3 dimensional time of flight method and demonstrated the intra cranial arteries with the maximum intensity projection (mip) of the source images.
mra 检查采用三维时间飞跃法,对源图像做最大强度投影重建血管影像。
the conditions of cerebrovascular diseases were examined by three dimensional time of flight (3d-tof) nuclear magnetic resonance (mri).
所有患者术前均采用三维时间飞跃(3d-tof)序列技术经磁共振成像(mri)检查脑血管病变情况;
in addition, the ion energy of hpib is also measured with thomson spectrometer and time of flight method and the results agree with those measured with a pile of thin films.
还将叠片法的测量结果与利用磁谱仪和采用飞行时间法等的测量结果进行了比较,三种方法所得的测量结果基本一致。
a novel mini time of flight mass spectrometer (mini- tofms ) has been developed to meet the growing demands for the partial pressure mass spectrometer according to the latest tofms developments.
根据对分压强质谱计需求的迅速增长和飞行时间质谱计的新发展,研制了一种新型小飞行时间质谱计。
resonance enhanced multiphoton ionization (rempi) and time of flight (tof) mass spectrometer technique is a high-resolution and high-sensitivity spectrum-research method.
共振增强多光子电离及飞行时间质谱技术是一种具有高分辨率、高灵敏度的光谱研究技术。
freed from the atmospheric model, two-color satellite laser ranging could determine the atmospheric correction by measuring the differential time of flight between the color pairs directly.
双波长卫星激光测距不必借助大气改正模型,利用双波长往返时间差就可以进行大气折射改正。
time of flight diffraction(tofd)was summarized as a new nondestructive testing method. the present seven main tofd standards in the world were evaluated and compared in twelve different portions.
概述了超声波衍射时差法(tofd),对目前世界上主要的七个tofd检测标準或规范进行了分析和比较,归纳了其中十二个方面的异同点。
they use fancy kit like high-precision gps and atomic clocks to measure the distance the neutrinos travel to within 20cm and their time of flight to within ten nanoseconds (billionths of a second).
他们利用了一些精密仪器和技术,例如高精度全球定位系统和原子钟,将测量的中微子运动距离精确至20厘米,运动时间精确至10纳秒(1纳秒即十亿分之一秒)。
from the return pulse, lola determines the time of flight which, accounting for the speed of light, reveals the distance from the spacecraft to the lunar surface.
之后激光高度计将参照光速,计算出反射脉沖的渡越时间,从而获得飞船与月球表面之间的距离。
a precise, fast, compact and low power consumption time measurement device is the key component for practical time of flight (tof) applications such as the anti collision laser radar.
高精度、高速、体积小、低功耗的定时器为激光飞行时间测量应用的关键部件。
a new electron impact storage ion source has been designed for time of flight mass spectrometers with a high mass resolving power and high sensitivity.
电子轰击存贮型脉沖离子源是为高分辨率、高灵敏度飞行时间质谱仪设计的新型离子源。
instructions of time of flight mass spectrograph and quadrupole mass spectrograph are given, and the scheme of dynamic me…
对上述两种质谱仪器的原理进行了介绍 ,提出了动态检测的系统方案。
based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
基于光电效应原理。我们设计了一个新型脉沖激光光电子枪,它可以作为飞行时间质谱的电子碰撞电离的电离源。
the triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(maldi-tof ms).
利用基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化合物。