正电荷

电子带负电荷，质子带正电荷。

An electron has a negative charge , a proton has a positive charge .

随着P原子周围成键金属原子的增加，P原子所带正电荷逐渐增加。

Decreasing with the metal atoms around atom P , the positive charge of atom P becomes poorer .

正电荷朝里流动。

There is an inward flow of positive charges .

酸在水中溶解时可生成带正电荷的氢原子。

Acids produce positively charged hydrogen atoms when dissolved in water .

正极带正电荷，负极带负电荷。

The positive pole carries a positive charge while the negative pole does a negative charge .

电子是带负电荷的，质子是带正电荷的

Electrons are negatively charged with electricity , protons are positively charged .

计算结果表明，该类化合物经极性六元环过渡态分解成产物，其反应活性随H＿8原子上正电荷的增加而增大。

The results obtained show that reactive activation rises with the increase of the positive charge in H_8 atom .

氨基酸在低ph值下带正电荷（阳离子），在高ph值下带负电荷（阴离子）。

Amino acids are positively charged ( cationic ) at low pH and negatively charged ( anionic ) at high pH.

一是固定正电荷中心，主要起源于SiO和SiSi断键；

One is the positively charged centre . It arises from the break of Si-O and Si-Si bands .

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 .

壳聚糖（chitosan）与糖胺聚糖分子结构相似，是惟一带正电荷的碱性多糖，其结构类似于糖胺聚糖，而糖胺聚糖和Ⅱ型胶原是髓核细胞外基质中的主要有形成分。

Chitosan is the only positively charged basic polysaccharide and the molecular structure is similar to glycosaminoglycans .

等电点pHpzc是当吸附剂表面的正电荷与其表面的负电荷数量相等时，溶液的pH值。

It is a pH value when the quantity of positive charges on a sorbent surface just equals that of negative charges .

MOS晶体管中辐照引起的陷阱正电荷的强压退火

Bias Annealing of Radiation Induced Positive Trapped Charges in Metal Oxide Semiconductor Transistor

H＋转化为表面正电荷是由于土壤表面FeOH、AlOH的质子化造成的。

The transformation into positive charges arises mainly from protonation of Fe OH and Al OH functional groups on the surface of soils .

CrO42-对表面正电荷的影响程度随体系pH的增加而减小，对负电荷的影响呈相反的趋势。

The effect on positive surface charge increased with the decrease in pH , while an opposite trend was observed for negative surface charge .

通过拟合计算出了绝缘埋层（BOX，即埋氧）中的饱和净正电荷密度Not和空穴俘获分数α。

The saturated net positive charge density N_ ( ot ) and the fraction of hole capture α in buried oxides are calculated by data fitting .

在加有月桂酸盐缓蚀剂的饱和CO2的含氯离子介质中，不锈钢和碳钢表面均带有过剩正电荷。

In the presence of laurate inhibitor , positive excess charges would be carried on both stainless steel and carbon steel .

当进水pH值小于7时，复合膜表面的氨基和亚氨基会被质子化，膜表面带正电荷。

When feed pH was less than 7 , the amines and imines of PANI were protonated and PANI / PS membrane surface had positive charge .

在正常pH条件下多胺在每个N原子上都带有一个正电荷，因此易与多聚阴离子化合物如DNA和RNA发生反应，从而在正常细胞生长和分化过程中发挥着重要的作用。

At physiological pH value , polyamines carry a positive charge on each nitrogen atom , which facilitates their interaction with polyanion molecules such as DNA and RNA .

自然布居分析计算表明，这些离子的正电荷主要分布在与F原子相连的C原子和各H原子上。

Natural population analysis calculations indicate that the positive charge resides mainly at the C atom connecting with the F atom and at the H atoms in these cations .

R基团赋予氨基酸物理化学特性，例如极性（亲水性和疏水性）以及电荷（酸性或正电荷，碱性或负电荷）。

The R-groups give the amino acids their physical-chemical characteristics such as polarity ( hydrophobic or hydrophilic ) and charge ( acidic or positive versus basic or negative ) .

烷烃分子Wiener指数、氢平均正电荷分数与折光率间的关系研究

The Relationship between Refractive Index of Paraffins and Their Hydrogen Partial Charges and Path Number of Wiener

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 .

研究了带有正电荷的TiO2胶体颗粒在带有负电荷的聚电解质多层膜表面的组装，通过改变膜表面性质来控制胶体颗粒，从而实现可控密度的短程RSA有序分布。

We studied the assembly of TiO_2 colloid with positive charges on the polyelectrolyte self-assembly multilayers with negative charges .

将经过活化和亲水性处理的SiC微粒在含有稀土的溶液中浸泡数小时，可使碳化硅粉体充分吸附稀土离子，增加表面正电荷。

To adsorb rear earth ions fully , and increase surface charge , SiC particles should immerse in the solution containing rear earth for hours .

Zn-Al类水滑石结构正电荷对内禀电离平衡常数的影响

Effect of Permanent Charge on the Intrinsic Ionization Constant of Zn-Al Hydrotalcite-like Compounds

选择阳离子高分子絮凝剂，由于其水解产物带有正电荷铵盐基团，加强了残存COD的吸附，完善了絮凝分离过程。

A cationic polymeric flocculant was chosen because its hydrolysate with positive ammonium group enhanced the adsorption of residual COD and improved the flocculation efficiency .

说明带正电荷的转铁蛋白与寡肽载体和质粒DNA形成了复合物。

And 20 μ g transferrin added resulted in smaller mobility as compared and 10 μ g transferrin added , suggesting that transferrin with positive charge and oligopeptide vector and plasmid DNA formed composite .

发现二氧甲基基团具有较大的O原子负电荷及C原子正电荷，且空间位阻较小，因此成为决定五味子素抗氧化活性的关键因素。

And it was found that dioxo-methyl group was a key factor to determine the antioxidant activity of DCLs , because its O and C had rather high net charge and its steric hindrance was rather low .

因此H＋转化为表面正电荷的能力与土壤中氧化铁的含量密切相关，从而可变电荷土壤中H＋转化为表面正电荷的贡献比恒电荷土壤中的大。

Therefore , the ability of this transformation is strongly dependent on the contents of Fe oxide , and consequently the transformation in variable charge soils is larger than that in constant charge soils .