质子

Base frequency of the buncher is 6 MHz, it can be used in bunching light ion beams as p or D, as well as heavy ion beams up to Cs, with beam utilization efficiency of 50 %—60 %, and pulsed beam width of light ions less than 1 ns.

聚束器基频为6MHz，可以对质子、氘直至铯等所有离子束进行脉冲聚束，束流利用效率可达50％—60％，质子等轻离子脉冲束的脉冲时间宽度小于1ns。

The researchers fired a beam of calcium ions, each containing 20 protons, into a target of californium, a highly radioactive synthetic substance with 98 protons.

他们轰击了一束每个原子中含有20个质子的钙离子，得到了锎，一种原子核中含有98个质子的更高级人造放射性元素。

The results show that the formation of dry gas is abided by reaction mechanism involving the cleavage of pentacoordinated Carbonium ion which is formed by the protonation of alkanes over acidic catalyst.

结果表明，烷烃分子首先在催化剂酸性中心作用下发生质子化反应，烷烃分子链上易受到氢质子进攻的位置一般在其叔碳原子或碳链中心碳原子附近的C—H键或C—C键处，形成两种反应过渡态物种——五配位正碳离子H-Carbonium和C-Carbonium。

Pt nano particles decorated with nafion ionomers were synthesized and used as electrocatalyst in proton exchange membrane fuel celldue to plentiful proton channels provided by the enwrapping polymers.Then decorated Pt particles were deposited on carbon nanotubes,which enwind each other into interconnect nets and form the framework of the catalyst layer for PEM fuel cell.

介绍了Nafion聚合物作为修饰离子，合成具有原位质子导电能力的纳米Pt颗粒；TEM分析显示Pt颗粒的平均粒径为4nm，颗粒之间界限明显，分散状态良好；将这种离子导体修饰的纳米Pt沉积到纳米碳管表面作为质子交换膜燃料电池催化电极，纳米碳管相互缠绕在催化层形成交联的电子通道。

The crystalline grains in Ni_2 spheres are radially arranged and intervein and these grains connect with each other to form a three-dimensional network-type structure.

这种结构在电池的充放电过程中具有良好的力学稳定性，微球内存在的孔隙或缝隙可以用作质子传递的通道而有利于缩短质子在固相中扩散的距离，从而降低电极极化和提高电极的电化学性能及使用寿命。

The crystalline grains in Ni2 spheres are radially arranged and intervein and these grains connect with each other to form a three-dimensional network-type structure. This structure is supposed to benefit the mechanical stability for the spherical particles during the charge/discharge processes and improve cycle life of the electrode.

这种结构在电池的充放电过程中具有良好的力学稳定性，微球内存在的孔隙或缝隙可以用作质子传递的通道而有利於缩短质子在固相中扩散的距离，从而降低电极极化和提高电极的电化学性能及使用寿命。

The relative stabilities and probable proton transfer in isolated and monohydrated 2-hydroxyimidazole molecules have been studied in gas phase using ab initio (MP2/6-31＋G *) method.

采用从头算方法在MP2/6-31＋G*水平上研究了2-羟基咪唑分子在孤立分子和一水合物的异构体的相对稳定性和可能的质子迁移反应，分析了一个水分子的参与对2-羟基咪唑分子异构体的相对稳定性和质子迁移速率的影响，采用Monte Carlo模拟方法研究了反应体系在水溶液中反应的溶剂化效应。

Our study focused upon the precentral gyrus to determine whether any signal changes could be detected in ALS patients; and to determine whether riluzole can reverse corticomotoneuron damage in patients with ALS.

质子磁共振波谱是一种可以无创性定量测定在体脑内生化物质的方法，在对ALS病人双侧大脑中央前回进行质子波谱分析后显示：（1）NAA/Cr （N-乙酰门冬氨酸/肌酸）比值在ALS病人上显著降低，P.01。

The activity of the reaction performed in protonic solvent was higher than that of non-protonic solvent.

发现在质子型溶剂中的反应活性要优于在非质子型溶剂中的活性。

Three part of MEA were investigated and found that high protonic conductivity was conrresponding to thinner membrane.

对膜的组件的三个组成部分进行研究表明：质子交换膜厚度越薄，反应过程中产生质子经过膜的传递阻力越小。

In her eyes, because that is the doorway toher heart * the place where love resides.

女人的漂亮必須從她的眼睛中去看，因為那是她心靈的窗戶和愛居住的地方

I will send some postcards to you.

我会向你发送一些明信片。