阳离子

Moreover, the different cations result in difference of NOR sorption.

同时，不同阳离子导致诺氟沙星的土壤吸附存在差异。

Results (1) The objective compound was synthesized, and its structure was confirmed by mass spectrography, infrared spectrography and nuclear magnetic resonancespectroscopy.

4用重组真核表达载体pLXSN-hBD2通过新型阳离子脂质体对大鼠气道上皮细胞进行转染，用PCR、Western blot检测hBD-2基因的整合与表达。

Objective To synthesize new cationic liposome cytofectin N 4 spermine cholesteryl carbamate as a gene delivery vehicle for gene therapy of lung diseases.

目的 合成新型阳离子脂质体细胞转染素N4 精氨胆固醇羰酰氨，作为基因载体，用于肺部疾病的基因治疗。

As a carrier of plasmid DNA, dextran-spermine cationic polysaccharide was prepared by means of reductive-amination between oxidized dextran and the natural oligoamine, spermine.

作为质粒DNA的载体，阳离子的精胺多聚糖通过氧化右旋糖苷，精胺等之间的脱氨基化作用作用来制备。

As a carrier of plasmid DNA, dextran-spermine cationic polysaccharide was prepared by means of reductie-amination between oxidized dextran and the natural oligoamine, spermine.

作为质粒DNA的载体，阳离子的精胺多聚糖通过氧化右旋糖苷，精胺等之间的脱氨基化作用作用来制备。

The rate of polymerization is also reduced because of adding EDs which indicates that stabler active centers are formed.

电子给体的主要作用是质子捕捉剂，抑制痕量水的引发，而且对阳离子具有稳定作用。

Surface tensions and interfacial tensions were measured by the method of stationary rings, and the critical micelle concentrations were measured by the methods of conductance and surface tension.

运用红外光谱和核磁共振等手段对所得表面活性剂的结构进行了表征，并对其表面张力、界面张力及其临界胶束浓度等性能进行了定量测定；结果表明，所得阳离子型含氟表面活性剂具有极低的表面张力：17.8、22.9、23.8、21.5、25。

The adsorbent of the present invention is prepared with one kind of natural mineral ziolite, named stilbite, and through denaturing and cationic exchange.

本发明吸附剂是由一种天然矿物沸石―辉沸石(中国代号CXN，英文代码STI，学名stilbite)，通过改性及阳离子交换制成，银离子交换后其最高载银量可达26％。

The sorbent is prepared from a kind of natural mineral zeolite - stilbite (its Chinese code name is CXN, its English code name is STI, and its scientific name is stilbite); through positive ion exchange produce H-STI, mix with artificial compounded commodity H-ZSM-5 zeolite, add cementing agent to molding, after strengthening process, then through silver carrying to produce. The small ball of the sorbent of 1 mm diameter can get 40 Newton per grain.

该吸附剂是由一种天然矿物沸石-辉沸石(中国代号CXN，英文代码STI，学名stilbite)，通过阳离子交换制成H-STI，与人工合成的商品H-ZSM-5沸石混合加粘结剂成型，经强化处理后再经载银而制成，直径1毫米的该吸附剂小球强度可达40牛顿/粒。

The possible reason is that in shock waves a nonstoichiometric ferromagnetic zinc ferrite is formed, in which the distributions of the cations in the A and B sites of the sublattice are different from that formed in calcination, it has stronger exchange interaction and leads to the increase of the magnetization.

可能的原因是冲击波合成了非化学计量比的铁磁性铁酸锌，改变了尖晶石次晶格中A，B位阳离子的分布而使其具有更强的交换相互作用而导致其磁化强度的增加。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。