查询词典 anion

Aeroanion is sanative,which is called air vitamin and growth factor,so aero-anion concentration is the important index of assessing air quality of tourism environments .

对空气负离子的基本概念、空气负离子的产生机理与保健医疗作用、旅游环境中空气负离子的评价方法与浓度分布规律的研究进展进行了总结。

In general, juice from ripe fruits contained higher total quantities of phenolic compounds, condensed tannins, flavonoids and scopoletin, and thus exhibiting better scavenging capacity for free radical, superoxide anion radicals and H2O2 and higher ACE inhibitory activity.

一般而言，成熟的诺丽果含有较高的总酚化合物、缩合单宁、类黄酮和7-羟－6-甲氧香豆素。因此具有较佳能力以扫除自由基、超氧阴离子和过氧化氢及较强ACE抑制力。

Experiment studies on the dehydration of fine particle coal using anion denaturating sodium ethyloic sesbania guargums as aid-fliter reagent have been carried out in this paper.

通过利用阴离子型羧甲基钠盐田菁胶对细粒煤和超细粒煤脱水的试验研究，探讨了助滤剂用量、过滤时间、真空度等因素对脱水效果的影响结果表明，该新型阴离子SESG助滤剂能够明显地提高细粒煤过滤脱水的技术指标图 9，参

The spectroscopically free anion and contact ion pairs are found in PC, EC, DMF, BL, DMSO and acetone solvents, and dimer of contact ion pairs in other solvents.

同时，本文还利用特征谱带的相对强度研究了锂离子在PC-DEC、PC-DMF、EC-DMC、DMSO-AN、DMSO-AN、DMF-THF等二元混合溶剂中的优先溶剂化，锂离子一般被DMF、DMSO分子优先溶剂化。

This paper studied the effects of different anion species（Cl-, SO42-）, concentrations and Cd level on Cd absorption of spinach Spinacia oleracea ）through pot experiment.

通过盆栽试验，研究了不同种类与浓度的阴离子（Cl-， SO42-）以及不同镉水平对菠菜镉吸收的影响。

The simultaneous determination of sulfamic acid and DL-malic acid in environmental friendly electropolishing solution by ion chromatography was described. Sulfamic acid and DL-malic acid were well separated by using Metrosep A Supp 5 150 anion exchange column for separation and 3.2 mmol/L Na2CO3-1.0 mmol/L NaHCO3 as eluent.

采用Metrosep A Supp5150阴离子分离柱，以3.2mmol/L Na2CO3-1.0mmol/L NaHCO3为淋洗液，氨基磺酸和DL-苹果酸可得到很好的分离，使用离子色谱为检测手段可实现环保型电镀抛光液中氨基磺酸和DL-苹果酸的同时测定。

Tetra-(8-hydroxy-quinolinato) boron complex with tetrahedral-like geometry and 3,3',4,4'-benzophenone tetracarboxylic anion with long-chain structure were successfully intercalated into layered double hydroxides with ion-exchange method.

我们首次选择了两种具有不同构型的光活性物种作为客体，即：具有四面体构型的四-(8-羟基喹啉)硼配合物和具有长链形状的3，3′，4，4′-苯酮四羧酸，得到了两种新的有机无机杂化光功能材料。

It was found that the axially coordination of one Br - anion toCo 2 shifts the potential of porphyrin system to more positive value. The reduction peak of 0.12 Vvs.

发现在较高电位下，两个Br－轴向配位的Co2其一个Br－发生脱落表现出Co的行为特征，这被证明是Br－的氧化所致。

L acted as tridentate ligand to chelate with metal atom in enol and ketone form respectively; In complex anion Co atom reside in tetrahedral coordination environment.

钴原子位于八面体配位环境中，配体L分别以烯醇式和酮式充当三齿配体与金属原子配位，配阴离子中Co原子位于四面体配位环境中。

Bis-(2-oxo-2-phenyl-ethyl) trithiocarbonate(TTC2) were synthesized with anion-exchange resin for the first time.

首次用阴离子交换树脂法合成了S，S′-二三硫代碳酸酯(TTC2)。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。