OBJECTIVE To study the effects of electroporation on the permeation of small molecular ion drug through skin in vitro.
目的研究电穿孔技术对小分子离子型药物经皮渗透的影响。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。
The existence of carbonyl group in structure seems to be a factor that favors the formation of quasi-molecular ion (QMI) or other adduct molecular ion (OAMI) in positive mode.
化合物结构中羰基的存在似有利于化合物在正离子模式下形成准分子离子或其它分子加和离子。
The samples were dissolved in dimethyl sulfoxide (DMSO) and the data were recorded by positive ion mode. No any other fragment was found except for little molecular ion which loses a chlorine atom.
样品溶解在二甲基亚砜中，以正离子方式记录谱图，结果发现除产生一个失去氯原子的分子离子峰外，没有任何碎片峰。
We now have obtained the first molecular structure of an ion channel, providing us with a three-dimensional understanding of the ion channel pore.
现在我们获得了第一个离子通道的分子结构，提供了对三维结构离子通道孔的了解。
High concentration of salt in soil causes ion imbalance, oxidative damage, water deficit and nutrient deficiency, which lead to molecular damage, growth retarded, and even death of plant.
土壤中高浓度的盐分会使离子失衡、氧化伤害、水分亏缺、营养缺乏，并导致生物大分子被破坏、生长迟缓、甚至植株死亡。
Initially molecular biology enriched our understanding of ion channels and receptors important for signaling.
分子生物学自始就丰富了我们对离子通道和信号转导中重要的受体认识。
Patch clamp technique is a kind of technique which reflecting membrane molecular activity of one or more ion channel by record ion current of ion channel.
膜片钳技术是一种以记录离子通道的离子电流来反映细胞膜上单一的或多个的离子通道分子活动的技术。
The isospin fractionation in intermediate energy heavy ion collisions is studied by using isospin dependence quantum molecular dynamics model.
利用同位旋相关的量子分子动力学模型研究了中能重离子碰撞中同位旋分馏过程。
The combination of electrophysiology and molecular biology has made it possible for the researchers to monitor the activities of ion channels at cellular and molecular levels.
电生理和分子生物学的结合，使人们能在细胞和分子水平上观测离子信道开启和关闭的机制。
The select ion of reactive monomer and oxyethylene group number, molecular weight of copolymer and its distribution, influence of terminal group and the amount of reducing agent added were discussed.
通过对近年来国内外的文献综合，讨论了反应单体、聚氧烷基链和端基的选择、聚合物相对分子质量及其分布、减水剂添加量等对减水剂性能的影响因素。
A new method for the acceleration of MD (molecular dynamics) simulation of ion implantation into crystalline targets is presented.
提出了一种用于分子动力学(MD)模拟晶体靶材料中离子注入的加速算法。
The accumulated effect of changes in ion channel expression may be one of its molecular mechanism.
离子通道表达变化的一定程度累积可能是其分子机制之一。
The effects of organic acid with low molecular weight on fluorine adsorption included competitive adsorption of negative ion and stimulative effect because of acid environment.
低分子有机酸对氟吸附的影响一方面表现为阴离子的竞争作用，另一方面表现为酸性条件下的促进作用。
Synthesis and application of negative ion inartificial high molecular flocculant prepared by starch are reported in this paper.
介绍了以淀粉为基材的阴离子天然高分子絮凝剂的合成工艺和应用效果。
The study of the ion trap mass spectrometry and its correlative technology has been the advanced topics of those fields, such as, atom and molecular physics, biology and chemistry.
离子阱质谱计及相关技术的研究一直是原子分子物理、生物和化学领域的前沿课题。
Methods The peptide was separated by ion exchange column chromatography and further purified by reverse phase HPLC, and the molecular weight was determined by tricine gel electro phoresis.
用离子交换柱层析法分离，用反相高效液相色谱法进一步纯化，经聚丙烯酰胺凝胶电泳分析确定相对分子质量。
In this paper the nontoxic plasticizer tributyl citrate has been prepared by the catalysis of the molecular sieve and the ion exchange resin.
报导了用分子筛和离子交换树脂催化合成无毒增塑剂柠檬酸三丁酯的初探结果。
Single glass cutting available is a chemically treated product coz molecular structure of glass had an ion exchange with the chemical material, hardness of glass surface will be strengthened.
单片可切割的强化玻璃是经过化学处理的，由于玻璃的分子结构跟化学药水发生离子交换，玻璃表面的硬度也就增强了。
The interaction of HDTMA with hydrobiotite includes ion-exchange and molecular uptake.
水黑云母与HDTMA反应存在离子交换和分子吸附两种机制。
The method of modified 13X molecular sieve by microwave composite ion-exchange was introduced.
介绍微波法对13X分子筛进行复合离子交换的方法。
SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion - exchange chromatography and molecular exclusion chromatography.
发酵液经超滤浓缩、硫酸铵沉淀、阴离子交换色谱和分子筛色谱，获得了纯度为90%的SEC2，总收率23%。
The triangle molecular library of the cathode materials of Li-ion batteries was designed.
将组合化学应用于功能电极材料开发，设计出锂离子电池正极材料三角形分子库。
The simulation results indicate that when constructing molecular thermodynamics models for highly concentrated electrolyte solutions, the contribution of ion association should be considered.
这表明在建立可适用于高浓度条件下的电解质溶液热力学模型时应考虑离子缔合的贡献。
If large facilities to ensure no oil, no oil pump need not choose ethnic groups, such as: water pump, molecular sieve adsorption pump, sputter ion pumps, heat pumps.
若设施宽大务求无油时，无须选各族无油泵，如：水环泵、分子筛吸附泵、溅射离子泵、高温泵等。
DNA stretching was performed with molecular combing method. Metallic ion effects on DNA stretching were investigated.
建立了单分子荧光显微装置，利用分子梳方法实现了对DNA分子的拉伸。
The invention provides a perfluorinated ion exchange resin and a preparation method and application thereof. The molecular formula of the perfluorinated ion exchange resin is shown as the formula m.
本发明提供了一种全氟离子交换树脂，该全氟离子交换树脂的分子式如式m所示。
Laser ablation-molecular beam (LA-MB) is a useful method to study metal ion reacting with molecular clusters.
激光烧蚀-分子束(LA - mb)法是研究金属离子与分子团簇反应的有效方法。
Laser ablation-molecular beam (LA-MB) is a useful method to study metal ion reacting with molecular clusters.
激光烧蚀-分子束(LA - mb)法是研究金属离子与分子团簇反应的有效方法。
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