查询词典 anion

The adsorption properties of 2-naphthalenesulfonic acid, p-tuluenesulfonic acid, p-chlorobenesulfonic acid and 4, 4'-dinitrostilibene-2, 2'-disulfonic acid onto the macroporous weak base anion-exchange resins were investigated. The influence of pH, salt and temperature on the adsorption equilibrium was also studied.

本论文以芳香磺酸化合物为研究对象，系统地研究了大孔弱碱性阴离子交换树脂对其的吸附行为，考察了温度、pH值、盐含量等因素对树脂吸附性能的影响。

The product is in the pore structure on the graft copolymer of styrene divinyl benzene [-N amines (CH 3) 2 The ion exchange resin], the less alkaline, in the acidic, neutral and effective exchange of inorganic acid medium. and the larger size can be adsorbed molecules in aqueous solution and the use of anion.

本产品是在大孔结构的苯乙烯二乙烯苯共聚体上接枝叔胺基[-N（CH3）2]的离子交换树脂，其碱性较弱，能在酸性、近中性介质中有效地交换无机酸，并能吸附分子尺寸较大的阴离子以及在非水溶液中使用。

In the DQ/EG homogeneous solution, the enhanced emissive CIDEP signal of the neutral durosemiquinone radical DQH(superscript ﹒) was observed. When the DQ/EG solution with pH=9 or DQ/EG/TX-100/H2O micelle system was photolyzed, the CIDEP signal of the duroquinone anion radical DQ(superscript ﹒- was obtained. When the DQ/EG solution with pH=2.5 was irradiated, the CIDEP signal of DQH(superscript ﹒) appeared.

在光解均相DQ/EG溶液时，观察到了以增强发射的中性杜半醌自由基DQH(上标﹒的CIDEP信号；在碱性环境下(pH=9)和TX-100胶束环境下光解DQ/EG体系时得到杜醌负离子自由基DQ(上标-﹒的CIDEP信号；在酸性环境下(pH=2.5)光解DQ/EG体系时，出现的又是中性杜半醌自由基DQH(上标﹒的CIDEP信号。

Scavenging activities of seven natural flavonoids from elsholtzia bodinieri vaniot and artemisia ordosica kraschen for superoxide anion radicals was studied by single-sweep oscillopolarography.

用单扫描示波极谱法研究了从东紫苏和黑沙蒿中分离出的七种黄酮类化合物对超氧阴离子自由基的清除作用。

In the matter of the fact pesticide emulsifier sieving is the ratio of volume between anion emulsifiable solution and nonionic emulsifiable solution.

农药乳化剂的筛选，实质就是含阴离子乳油和含非离子乳油体积比的筛选。

The chelating ability of its enolate anion (TTF-ph-tfac) has been investigated with [MIICl_2·xH_2O] (M = Zn and Co) leading to complexes Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7) and Co(TTF-ph-tfac)_2(CH_3OH)_2 (8), where the metal center is coordinated by two TTF-ph-tfac ligands. This redox active ligand shows promising features for the elaboration of hybrid organic-inorganic building blocks.

具有反铁磁行为的化合物5在110-120K观察到了相转变的发生，是目前已报道的该类化合物中最高的相变温度。3、TTF-ph-tfac烯醇阴离子具有很强的配位能力，与金属氯化物螯合配位分别生成了配合物Zn(TTF-ph-tfac)_2(CH_3OH)_2 (7)和Co(TTF-ph-tfac)_2(CH_3OH)_2 (8)，每个中心金属都桥连两个TTF-ph-tfac配体。

Eradiate more than 90% FIR;Generate above 350p/cm3 anion;Make water presented alkalescence (PH is 7~7.5);Anti-bacteria and deodorization;Release mineral microelements.

水质是明确和不产生地衣（顶级的水族馆患有阳光将再次在一段时间会产生一些地衣，但他们将很快成为黄色，黑色和死亡）。

In this study, we first synthesize a conducting polymer, P3HT, via Grignard metathesis method. And we functionalize the polymer chain end of P3HT into vinyl group. After characterize from 1H NMR spectroscopy, we use the end functionalized P3HT to proceed coupling reaction with P2VP anion.

为了达到这个研究目的，我们先利用格林纳置换法合成导电高分子P3HT，并将其尾端乙烯化，在经核磁共振仪确定结构后，利用此尾端乙烯化之P3HT与P2VP阴离子反应进行接合。

Ni-P-mCMC/mCS bipolar membrane was prepared from carboxymethyl cellulose modified with phosphorylated agent as a cation exchange layer and chitosan modified with glutaraldehyde as an anion exchange layer. The electrolysis cell was constituted by Ni-P-mCMC/mCS BPM as a septum for electrogenerating furfural alcohol and furoic acid.

以磷酸化试剂改性羧甲基纤维素钠制备了阳膜层，以戊二醛改性壳聚糖制备了阴膜层溶胶，将阴膜层溶胶流延于阳膜层上，制备了P-mCMC/mCS双极膜，而后以化学镀方法在阳膜层表面镀镍，制备了Ni-P-mCMC/mCS双极膜，并应用于成对电合成糠醇、糠酸。

These SRMs are single component solutions prepared gravimetrically for use in anion chromatography or any other technique that requires aqueous standard solutions for calibration or control materials.

这些标准粒子是单组分的，在重量方面用于阴离子色谱或任何其他技术，需要进行校准或控制水标准的解决方案材料。

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。