质子

We proposed a new p-contact scheme using Ti and ITO transparent overcoating on the regular p-contact of the proton-implanted VCSEL and obtain substantial improvement in the kink characteristics and the modulation response of the proton-implanted VCSEL shows a more open clear eye and lower jitter of 35 ps operating at 2.125 Gb/s under 10 mA bias and 9 dB extinction ratio compared to the device without overcoated.

我们提出使用新的p型电极组合，利用Ti和透明电极蒸镀在一般的p型电极上，成功的改善了质子布植的面射型雷射之kink现象，且元件亦能成功的操作在2.125 Gb/s。

The overshoot behavior of current density of proton exchange membrane fuel cell was analyzed and its mechanism was explained.

分析了质子交换膜燃料电池电流密度的超调现象，从机理上进行了解释。

Secondly, femtosecond time-resolved studies using fluorescence depletion spectroscopy were performed on Rhodamine 700 and Oxazine 750 in solutions to study the ultrafast dynamics, such as vibrational relaxation and the energy transfer from the solute to solvent.

本文的主要内容是利用飞秒时间分辨荧光亏蚀光谱探测技术对液相体系中的染料大分子在不同条件下的激发态振动弛豫、取向弛豫和分子间碰撞传能等超快动力学过程进行了研究，分析得到了这些超快过程与体系温度和溶剂性质之间的关系，同时为进一步研究DNA、蛋白质等生物分子体系的电子转移、质子转移、能量传递以及光致异构化等反应过程打下了基础。

The partial substitution of acids on the triazole-ring of polymer 10 may arise from difference in acid strengths or from varying degrees of steric hinderance during protonation reactions.

在酸部分取代对三氮唑聚合物10环可能产生的酸强度的差异，或从不同的反应过程中的质子立体阻度。

There is also a model of the interior hidden in a box with holes cut into it, much like the peekaboo promo that Proton did for its previous two models.

也有模型的内部隐藏在一个盒子里，与孔切入它，就像peekaboo促销认为，质子那样，其先前的两种模式。

The peekaboo box revealed a two-tone beige interior, but sources in Proton say the colour of the interior has not been finalised.

该peekaboo框透露了一个双音米色内部，但消息人士说，质子的颜色，内部尚未定案。

The study of the elements in 31 accessory apatites in pegmatite field illustrates the usefulness ofPIXE in the measurement of elements in rocks and minerals.

应用质子激发X 射线方法分析克洛斯湖地区花岗伟晶岩中的31个磷灰石样品。

Therefore, many efforts have been done in the development of PEM materials with low cost and low methanol permeability.

因此，低成本且高阻醇性的质子交换膜材料成为人们研究的热点。

Nafion membranes have been most widely used as a PEM in fuel cells.

Nafion膜是目前最常用的质子交换膜之一。

The scholars at home and abroad have done a great deal of investigation from every aspect in order to improve the performance of PEM fuel cell.

国内外学者为了提升质子交换膜燃料电池的性能从各方面进行了大量的探索。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。