表面带

DNA的磷酸骨架所带的负电荷只能与表面带正电性的载体结合。

The negatively charge of phosphate backbone of DNA could be binded to the positively charged of vector .

PEI纳米粒由于表面带正电荷而获得结合带负电DNA的能力及某些胶体特性。

The surface of PEI NPs was positive that make the nanoparticles could bind DNA .

Zeta电位分析结果表明，PS在改性后表面带正电荷。

Zeta potential analysis resulted that the modified PS surface was positive charged , apparently show the modification effect .

酸性水介质中，CeO2表面带正电，且pH为4左右时Zeta电位最大；

In the acidic water , surface of CeO2 nanoparticles has positive charge and Zeta potential is most at pH 4 or so .

纳米CeO2颗粒在酸性水介质中表面带正电，在碱性水介质中表面带负电，Zeta电位分别在pH值为4和11左右时较高，相应润湿性和分散性较好；

Zeta potential is higher when pH value is about 4 or 11 , corresponding wettability and dispersion are better .

由于天然状态下肌球蛋白受到pH影响导致蛋白分子表面带电荷数不一致，从而影响了蛋白质功能基团的暴露和包埋，最终影响功能特性。

As the pH affected the nature state of myosin , the surface charge of protein molecular was different , thus affecting the protein functional groups of exposed and buried , ultimately affected the functional properties .

结果：提取的肝、脾iRNA为RNA纯品，iRNA白细胞黏附抑制率大于30%，壳聚糖与iRNA形成表面带正电荷的纳米粒，iRNA得到保护不易被破坏。

Chitosan-iRNA nanoparticles were prepared by complex coacervation method . RESULTS the iRNA was pure substance , extracted from liver and spleen . The leukocytes adherence inhibition ( LAI ) rate was above 30 % .

微生物细胞成为表面带负电荷的有机吸附物颗粒，对带正电荷的弱碱化合中文扬要物CIET具有吸着能力。

Soil particles were capable of adsorbing CIET , CIET adsorption to soil particles and bacterial cells could decrease in metabolism and mineralization of CIET .

利用Nd：YAG脉冲激光器、He-Ne激光器和平衡接收器构建一套基于光束偏转法的光差分检测系统，测量了表面带缺陷Al样品的声表面波（SAWs）。

The surface acoustic waves ( SAWs ) were excited by employing a Nd : YAG laser on the sample Al plate with artificial surface-breaking defects and detected by a kind of optical difference detection system based on the optical beam deflection technique using a He-Ne laser .

介质覆盖对高阻表面带隙的影响

Impact of a cover layer to high impedance ground plane band-gap

表面带电荷的白细胞过滤器

The leucocyte depletion filter medium with surface charge

在混合了果胶之后，复合物表面带负电荷。

The surface charges were shifted from positive to negative after mixing with pectin .

展向一排九只小发声器装在表面带小孔的平板模型内。

An array of nine small acoustic generators was flush mounted with the model surface .

它的表面带着油一般的光泽。

Its surface bears an oily sheen .

一个表面带单粗糙峰的线接触时变微弹流润滑数值分析

Numerical Analysis of the Transient Micro-EHL of Line Contact with a Single Asperity on a Surface

表面带凸凹槽的蒸压粉煤灰砖砌体抗剪性能的试验研究

Experimental study on shear property of autoclaved fly ash brick masonry with protruding and concave surface

应用弹性振子点阵模型数值模拟表面带裂痕材料中的激光激发声表面波

Mass spring lattice modeling of the laser generated surface acoustic waves in a plate with surface notch

乳液液滴表面带负电荷，受丝素蛋白浓度影响较大。

O. The droplet surface charge is negative for all the silk fibroin emulsions and influenced much more significantly by ?

表面带不同离子基团的温敏性微凝胶的制备及其胶体稳定性的研究

The Preparation of the Temperature-sensitive Microgels with Different Ionic Groups on Their Surfaces and the Study of Their Colloidal Stability

表面带孔的组织能更好的促进室内组织的生长，可能加大了室内外营养物质的交流。

Chambers with perforated walls can better promote the growth of constructs indoor , the reason was increasing the exchange of nutrients inside and outside .

与高速铣削加工相比，在表面带精细复杂形状和电火花加工难以省去的合金异型模具制造方面占有优势。

Compared with the high-speed milling , the surface with fine and complicated shape is difficult to eliminate the alloy EDM shaped mold manufacturing advantage .

乳化剂使油滴表面带上了同种电荷，因为同种电荷互相排斥，油滴之间也相互排斥。

Third , the agent gives the surfaces of the oil droplets identical electrical charges ; since like charges repel each other the droplets repel each other .

二氧化钛等无机纳米粒子具有比表面积大，表面带电荷、吸附性能强、光催化降解有机物等特点而在许多领域中获得了广泛的应用。

Inorganic nanoparticles such as TiO2 are used in many areas for their larger specific surface area , high Zeta potential , excellent adsorption properties and photocatalytic degradation of organic compound .

刚性粒子表面带环氧官能团后，与基本材料形成了化学键合的界面层结构，对粒子的增韧也十分有利。

The data also show that the particle surface having some epoxy groups can be of great advantage to toughening because the chemical bond is formed in the interphase between particle and matrix .

由能带分析可知，吸附水分子后，β-SiC（111）以及衍生结构（a）的表面带数目减少，导电性减弱。

From the band structure analysis , after the H2O adsorption , the band number of β - SiC ( 111 ) and its derived structure ( a ) reduced , and conductivity decreased .

解离型则由于其脂溶性低，及其电荷和细胞膜表面带电荷基团所产生的高电阻，而不易透过细胞膜。

The ionized form cannot penetrate the cell membrane easily because of its low lipid solubility and high electrical resistance , resulting from its charge and the charged groups on the cell membrane surface .

利用低温等离子体引发接枝反应，在表面带负电的聚砜膜上引入带正电的单体聚合物，从而减少膜表面净电荷。

Commercial polysulfone membrane with negative surface charge was modified by low temperature plasma to initiate graft polymerization of 2 - ( dimethylamino ) ethyl methacrylate ( DMAEMA ), introducing positive charge onto HT membrane surface .

在所研制的微细电解加工系统基础上，作者提出采用表面带螺旋槽的旋转微阴极进行电解加工，实现了高加工速度，并且加工稳定性更好，加工微孔圆度更高。

With the developed micro ECM system , the rotated micro spiral cathode is used in experiment and the result shows that the higher machining speed , better process stability and better roundness of the microhole are achieved .

将四种磁珠和菌液孵育后，初步分析磁珠和菌结合的原因，发现表面带正电荷的磁珠与菌有最大的结合。

After incubation of four beads with pathogen solution , followed by analyzing the cause of combination of them , it was shown that beads with positive charge on the surface had the strongest power in the adsorption for the pathogens .

Ge（313）表面能带结构分析

Structure for Electronic States of Ge ( 313 ) Surface