Methods: Measured by fluorine ion-selective electrodes.
方法：采用氟离子选择电极法。
For example, the hydroxy can be replaced by fluorine ion.
晶格内的离子可发生置换，如羟基离子可被氟离子替代。
Based on this, a new method to determine the fresh leaf with Fluorine ion counter directly was set up.
以此为基础，建立了氟离子浓度计鲜叶直接测定法。
The influence of al ion and Fluorine ion in phosphating process on phosphate coating quality was mainly discussed.
重点探讨了化成工序中铝离子及氟离子对磷化膜质量的影响程度。
The content of free fluorine in toothpaste by potentiometry with a fluorine ion selective electrode is determined.
利用氟离子选择性电极直接电位法测定了牙膏中的游离氟。
In one aspect, selective fluorine ion implantation is employed when developing HEMTs to create the enhanced back barrier structures.
在一个方面，在制备HEMT时可以利用选择性的氟离子注入来产生增强背势垒的结构。
This article described the principle and experimental method of determining fluorine ion content of water by method of ion selective electrode.
阐述了用离子选择电极法测定水中氟离子含量的原理及实验方法。
Fluorine content of tea was studied by fluorine ion selectivity electrode and the relative factors which make influence to fluorine extraction were researched.
应用氟离子选择性电极法对茶叶中氟含量进行了测定。同时，对影响茶叶中氟浸出的相关因素作了初步探讨。
A serviceable method of determining mulberry leaf fluoride with a Fluorine ion counter was studied, two sample prepared methods to determine influence of result was probed.
研究了采用氟离子浓度计测定桑叶氟化物含量的方法，探讨了不同样本制备方法对测定结果的影响。
An ion chromatographic method was studied and established for measuring fluorine content in water, which shown high-resolution, high sensitivity and finer repeatability.
研究和建立了一个用于测定水中氟含量的高分辨、高灵敏和高重复性的离子色谱法，并辅以氟试剂-分光光度法进行了核实。
Selenium in grains was determined by DAN fluorescence spectrophotometer, while fluorine was determined by fluoride ion selective electrode method.
硒的测定用DAN荧光分光光度法，氟的测定用氟离子选择电极法。
Objective To establish a fast and accurately method of determination of fluorine in coal, hair and food by combustion-hydrolysis-ion selective electrode method.
目的建立一种快速、准确的高温燃烧水解氟离子选择电极法测定煤、头发和食物中氟的方法。
It is proposed that the process of removing fluorine with activated alumina is inappropriate to be termed as adsorption or ion exchanging, as lots of tests have shown.
通过大量的试验证明，活性氧化铝除氟不能简单归结为分子吸附或离子交换，要考虑具体的工艺过程。
The effects of organic acid with low molecular weight on fluorine adsorption included competitive adsorption of negative ion and stimulative effect because of acid environment.
低分子有机酸对氟吸附的影响一方面表现为阴离子的竞争作用，另一方面表现为酸性条件下的促进作用。
This paper investigated the decomposition conditions ofp-Fluoropolystyrene and established a new method for determination of fluorine in p-fluoropolystyrene by ion-selective electrode analysis.
本文研究了分解对氟聚苯乙烯聚合体的条件，建立了用离子选择电极法测定对氟聚苯乙烯聚合体中氟含量的方法。
The invention relates to a fiber and modified silica-doped fluorine-containing ion film and a preparation method thereof and belongs to the technical field of polymer composite materials.
本发明涉及一种纤维和改性二氧化硅掺杂含氟离子膜及其制备方法，属于高分子复合材料技术领域。
The research progress of most interesting ion-doping are summarized, which involves transition metals, precious metals and nonmetallic elements such as nitrogen, fluorine, sulfur and carbon.
综述了其中广受关注的离子掺杂法的研究进展，涉及过渡金属、贵金属以及氮、氟、硫、碳等非金属元素。
The research progress of most interesting ion-doping are summarized, which involves transition metals, precious metals and nonmetallic elements such as nitrogen, fluorine, sulfur and carbon.
综述了其中广受关注的离子掺杂法的研究进展，涉及过渡金属、贵金属以及氮、氟、硫、碳等非金属元素。
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