查询词典 cation-active

Acids with different cation were distinguishingly different in activation energy and frequency factor distribution.

因而在它们大量存在的情况下，烃源岩会呈现出低液态烃高气态烃产率特征。

The cation dyeable polyester fiber,which was developed by Do punt corporation in 1958 and commercialized in 1962 known as Dacron,is a main representative of new polyester fibers because of excellent dyeability and low cost.

阳离子可染聚酯纤维首先由美国杜邦公司于1958年研制成功，并于1962年实现商品化，商品名为达克纶，由于其优异的染色性能和低廉的染色成本，使它成为聚酯纤维新品种的主要代表。

Furthermore, we found that the polythiophene film showed a cation-sieving effect to the cations with different sizes when it was electrochemically reduced.

同样，该薄膜在n掺杂时对不同的阳离子也有筛选作用。

Objective To explore the correlation of asymptomatic bronchial hyperresponsiveness with serum specific IgE and eosinophilic cation protein.

目的 探讨无症状气道高反应性与血清特异性IgE及嗜酸细胞阳离子蛋白的相关性。

Two novel A-it-A' type benzothiazole-based derivatives with benzothiazolyl, phenyl-acetyl or pyridine cation groups as π electron acceptor, diethenylphenyl as π conjugated bridge: 4-(2-benzothiazolyl) ethenylchalcone (1) and 4-{4-[2-(benzothiazole-2-yl) ethenyl] styryl}-N-methylpyridinium iodide (2) were synthesized.

以苯并噻唑、苯乙酰基和吡啶阳离子为电子受体，二乙烯基苯为共扼桥，合成了两个新的A-π-A'型苯并噻唑衍生物：4-（2-苯并噻唑）－乙烯基查尔酮(1)和4-｛4-［2-乙烯基］苯乙烯基｝－N-甲基吡啶碘盐(2)。

Two novel A-π-A′ type benzothiazole-based derivatives with benzothiazolyl,phenyl-acetyl or pyridine cation groups as π electron acceptor,diethenylphenyl as π conjugated bridge: 4-(2-benzothiazolyl)ethenylchalcone(1) and 4-{4-[2-(benzothiazole-2-yl)ethenyl]styryl}-N-methylpyridinium iodide(2) were synthesized.

以苯并噻唑、苯乙酰基和吡啶阳离子为电子受体，二乙烯基苯为共轭桥，合成了两个新的A-π-A′型苯并噻唑衍生物：4-(2-苯并噻唑)-乙烯基查尔酮(1)和4-{4-[2-乙烯基]苯乙烯基}-N-甲基吡啶碘盐(2)。

Some soil chemical properties, as pH of soils, cation exchange capacity, calcium carbonate, ferriferous oxide and organic matter are studied. Chromium speciation is mainly affected by soil pH, CEC and calcium carbonate, but little by ferriferous oxide and organic matter.

所研究的土壤化学性质中，土壤pH值、阳离子交换量以及碳酸盐量对土壤铬形态分布及生物有效性影响较大，铁氧化物与有机质含量对土壤铬形态的分布及生物有效性有一定的影响。

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。

Shima D%Haile S M The influence of cation non-stoichiometry on the properties of undoped and gadolinia doped barium cerate Solid State Ionicis , 1997,null

蒋凯%何志奇%王鸿燕%梁宏伟%孟建%任玉芳%苏锵 BaCe0.8Ln0.2O2.9(Ln=Gd， Sm， Eu)固体电解质的低温制备及其燃料电池性质 10.3321/j.issn：1006-9240.1999.04.010 中国科学B辑， 1999，04

Hyperbranched aliphatic polyethers with narrow molecular weight distribution have been prepared via anionic polymerization of glycidol with rapid cation-exchange equilibrium.

根据~(13)C-NMR谱图的积分结果，计算得到HPG的支化度为0.54，GPC测得的数均分子量为3265，分散度为1.48。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。