negative ion的例句大全

Negative ion chemical ionization mass spectrometry using methane and dichloromethane as mixed reagent gas

甲烷和二氯甲烷混合反应气体的负离子化学电离质谱研究

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Properties of negative ion of carbon and the new developments

碳负离子性质及最新发展动态

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When incident electron energy is below the ionization threshold of target molecule, an electron-molecule resonant state can be formed. Due to the state instability, the temporary negative ion will dissociate into a negatively charged ion plus one or more neutral fragments.

当能量低于目标分子的电离阈值的入射电子与分子碰撞时，会发生电子贴附分子解离，生成一个负离子碎片和一个或者几个中性碎片。

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Results: The acidic negative ion of layered double hydroxides were replaced by the diclofenac anion to form DS-LDH.

目的：制备双氯芬酸钠-层状双金属氢氧化物（DS-LDH）纳米复合物并考察其性质。

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Negative Ion Formation Process and Negative Ion Beam Test Study

负离子的产生和出束实验研究

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Numerical simulation for beam optics of negative ion source extraction system

负离子源引出系统束光学的数值模拟

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The surface active agent of negative ion type restrains the activity of enzyme;

阴离子表面活性剂对酶有抑制作用；

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Determination of negative ion synthetic detergent in flour products by methylene blue spectrophotometer

蒸、烤、炸类面制品中阴离子合成洗涤剂含量测定&亚甲蓝分光光度法

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Meanwhile, Purification effect of tetrachloroethylene, IP, bacteria number, CO, CO 2 and reduction of negative ion with time was also assessed.

同时对干洗场所室内空气中四氯乙烯、IP、空气中细菌总数、CO、CO2的净化效果以及不同时间负离子衰减量进行了评价。

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Variational Calculations of Atoms and Molecules in Hyperspherical Coordinates& Ground States of Helium Atom and Hydrogen Negative Ion

超球坐标下原子、分子体系的变分计算&氦原子和氢负离子基态

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One kind of cast iron enamel with negative ion releasing property was prepared by mill addition of tourmaline powder into the cover coat.

通过将电气石磨加到铸铁搪瓷面釉中，并对铸铁搪瓷的制作工艺进行合理设计，获得了具有产生负离子功能的铸铁搪瓷。

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Numerical simulation method of negative ion beam extraction and acceleration system

负离子束引出、加速系统的数值计算方法

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Study on Negative Ion and Mechanism Produced by Field Emission

场致负离子及机理研究

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The Effect of Negative Ion on Health and Environment

负离子与健康和环境

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Apply the air negative ion fiber to worst woolen clothes

粘胶负离子纤维在精纺呢绒上的应用

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The purifier not only provide higher concentration negative ion, but improve indoor air quality of dry cleaner places.

结论该净化器不仅给干洗场所增添高浓度负离子，同时对净化干洗场所室内空气质量有明显效果。

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The Effect of the Major Parameters of the Negative Ion Air Cleaner on the Ozone Concentration

负离子空气净化器主要参量对臭氧浓度的影响

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The future deveioping prospect of the application of the negative ion textile product.

并对负离子纺织品的应用前景进行了展望。

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The positive and negative ion DCIMS for a series of monosaccharides with methane as a reagent gas were reported.

本文首次报道了一系列低碳醣以甲烷作反应气的正和负离子解吸化学电离质谱。

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Development and Application of Negative Ion Emulsion Paint for Interior Wall

负离子内墙乳胶漆的研制及应用研究

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