查询词典 ionization potential

In radiation dosimetry there are numerous limitations associated with the measurement of isodose curves and depth-dose distributions in high gradient regions of beams by using conventional measuring systems, such as ionization chambers, diode dosimeter, thermoluminescent detectors, and radiographic films.

在辐射剂量学中，利用传统的剂量计例如游离腔、二极体侦检器、热发光剂量计、感光胶片…等，来量测等剂量曲线或是深度剂量分布都有其适用的范围及其限制。

This paper gives an experimental techniques to measure gamma-ray heating inthe zero-power reactor with the ~7LiF thermoluminescent dosimeters,cavi-ty-ionization theory is used to determine the relationship between the gamma-rayheating in the medium and the energy deposition in a TLD placed within the me-dium.

零功率堆；γ发热；空腔电离理论；热释光剂量计；本文给出使用~7LiF 热释光剂量计在零功率堆上测量γ发热的实验技术。使用空腔电离理论确定介质里的γ发热和安放在介质内的 TLD 里沉积能量之间的关系。

Acetonitrile-sodium chloride, trichloromethane and acetone-dichloromethane were used to extract organophosphorous pesticides respectively. Pulsed-flame photometer detector was used to analyze the extraction rate of these three solvents. Flame ionization detector was used to analyze the content of impurity in the samples extracted by those three solvents.

分别采用乙腈－氯化钠法、三氯甲烷法和丙酮－二氯甲烷法提取蔬菜样品中残留的有机磷农药，使用带脉冲式火焰光度检测器的气相色谱法比较了三种提取方法有机磷农药的提取效率，使用带火焰离子检测器的气相色谱法分析了三种提取方法杂质溶出量。

All of above experimental phenomena cann't be explained unifiedly by Weller's theory, that is it cann't be explained unifiedly by only considering ionization potentials and electron affinities of the donor and acceptor in formation of exciplex.

所有这些实验现象不能用Weller的电子转移模型来统一解释，即不能用形成激基复合物的两个分子的电离能和电子亲合力的大小来统一解释。

We through search the stable zwitterionic conformers in solution using Self-Consistent Reaction Field Model. We study the properties of aspartic acid such as ionization energies, electron affinities and IR spectra and compare with the results in gas phase.

我们使用自洽反应场模型对天冬氨酸水溶液中的双电性构型进行了系统的寻找，研究了水溶液中天冬氨酸构型的电离能、电子亲合能以及红外光谱等性质，并与气相中的结果进行了对比。

Pesticides were extracted from sample with ethyl acetate in an ultrasonic bath, then determined by gas chromatography-mass spectrometry operated in negative chemical ionization mode and quantified in selective ion monitoring mode, and ethion was used as an internal standard.

蔬菜水果样品用乙酸乙酯超声提取，以乙硫磷为内标物，采用GC-NCI-MS的选择离子监测方式进行定性和定量分析。9种有机磷农药的方法检测限为0.12～1.0 μg/kg。

In the second part, the current-voltage characteristics of the sensors were measured, their charge ionic mobilities were measured with polar inversion method and their ionic numbers were computed. It has found that ionization effect of some binding ions against a critical humidity took place in switchable humidity-sensitive materials, the effect is that some binding ions in materials turn into free ions when a given ambient humidity is reached called a critical humidity, avalanching conduct electricity occurs in materials.

在第二部分中，测试了高分子电阻型湿敏元件和开关型湿敏元件的伏—安特性，并用极性反转法测试了其导电离子的迁移率以及计算了相关的导电离子数目，发现了开关型湿敏元件的束缚离子的最小湿度电离效应：当环境湿度达到或者大于一特定湿度时，这一特定湿度称之为最小湿度，材料中某些束缚离子才电离成自由的导电离子，形成雪崩式导电。

A final flash deposition 168 may be performed with high copper ionization and low wafer biasing.

在高铜离子化和低晶片偏置的条件下可执行最终的闪沉积(168)。

A method for the detection of Brominated Flame Retardants in wastewater by gas chromatography-negative ion chemical ionization mass spectrometry has been developed.

建立了气相色谱负离子化学电离源质谱法测定污水样品中溴代阻燃剂的分析方法。

Some related specilist point out ,the modernists dependent upon mobile phone more and more , the mobile phone is not the same as the common ionization radiation ,the wavelength of electronmagnetic wave emanated by the mobile phone is 900MHz to 1800MHz. Although, the DNA has not been damaged by it to certain degree yet , but this microwave can radiate to the depth of encephalic 4 to 6cm . stimulate the water molecules and cells moving ,result in the temperature of corresponding tissue raising 0.1c, induce the fever reflection such as the headache,disfunction of blood supply in brain, cauterized feeling on the skin of face ,ear as well as the skin around the ear etc .also induce the non-fever reflection such as the changing of sleeping style ,raising blood pressureand and disfunction of recognization etc.

0有关专家指出，现代人越来越离不开手机，但不同于普通的电离辐射，手机发射的电磁波波长为900MHz--1800MHz，虽然尚没有达到损伤DNA的程度，但此种微波可以辐射深度达颅内4--6cm，刺激水分子和细胞发生运动，导致相应组织温度上升0.1c，引发如头痛，脑供血障碍，面部皮肤烧灼感及耳部及耳周皮肤烧灼感等热反应，而且可以引起诸如睡眠方式的改变，血压升高，认知功能障碍等非热反应。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。