查询词典 proton

Proton acids were produced as intermediates and make quinoline occur in the form of its conjugated acid.

由于中间产物质子酸的生成，使喹啉以质子化的形式存在，当质子化产生的吸收增加与降解导致的吸收减少相等时，特征吸收峰313 nm处的吸收在1～3 min会出现平台，然后持续衰减。

Among of them, Radio-frequency ion source is in most wide used for the reasons of its high proton content, long life and reliable performance, etc.

其中，高频离子源以其很高的质子比（70％-90％）、长寿命和可靠的性能而得到了最广泛的应用。

Radioactive nucleus beam ; light charged particles ; isospin ; proton halo

放射性核束；轻带电粒子；同位旋；质子晕

Reactant gas flow rates needed by proton exchange membrane fuel cell have important influence on its performance and cost.

气体流量对质子交换膜燃料电池的性能和运行成本具有重要的影响。

The SMPEES copolymers have high ion exchange capacity because of o-methylhydroquione itself simple structure,which results in a high proton conductivity in reactively low degree of sulfonation...

发现邻甲基对苯二酚结构单元的存在，使聚合物具有较高的离子交换容量，从而使低磺化度的共聚物具有相对高的质子传导率。

The SMPEES copolymers have high ion exchange capacity because of omethylhydroquione itself simple structure, which results in a high proton conductivity in reactively low degree of sulfonation.

发现邻甲基对苯二酚结构单元的存在，使聚合物具有较高的离子交换容量，从而使低磺化度的共聚物具有相对高的质子传导率。

Under anaerobic condition, bacteria could respire with diverse noxious substances as terminal electronic acceptor. Electrons were transferred in the electron transport chain from electron donor to electron acceptor and formed trans-member proton concentration gradient, and were furthermore conserved into energy for metabolism.

在厌氧条件下，细菌利用环境中多种有毒物质作为呼吸链末端电子受体进行厌氧呼吸，在有毒物质被还原甚至降解的同时实现电子在呼吸链上的传递，形成跨膜的质子浓度电势梯度，进而转化为其生长代谢所需的能量。

Physical reality can be seen as grounded in the numerical values of a handful of dimensionless constants, the best known of which are the fine structure constant and the ratio of the rest mass of the proton to the electron.

自然实在被视为基于少数无量纲常数的数值，其中最有名的常数是"精细结构常数"和"质子与电子静止质量的比率"。

The water content, dimensional change, mechanical property, high temperature water retentivity and proton conductivity of the membranes were investigated.

制备了聚2-丙烯酰胺－2-甲基丙磺酸质子交换膜并对其进行交联改性，研究了膜的含水率、溶胀率、拉伸强度、高温保水率、质子电导率等性能。

After cross-linking, the membranes had high water retentivity in high temperature and high proton conductivity (3% MBA, 0.076 S/cm), but low dimensional change and high mechanical property (3% MBA, 23.6 MPa).

交联改性后，膜保持高的导电率(3% MBA，0.076S/cm)和高温保水性能，且膜的溶胀率大幅度降低，机械强度显著提高(3% MBA，23.6MPa)。

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。