查询词典 proton

The crystal structures of them show the photochromism is due to the photoisomerization only from enol form to keto form. According to the results of structure analyses, the intermolecular proton transfer mechanism is proposed for photochromism. We also observed their acidichromism in solution.

采用单晶XRD法得到了这五种化合物的结构，根据结构解析，推测四种光致变色化合物的变色机理可能是分子间质子转移，即吡唑啉酮由烯醇式结构变为酮式结构。

The energy equipartition time is longer than the interparticle collision time by the mass ratio of proton and electron.

由于质子与电子的质量比很大，能量平衡时间比粒子间碰撞时间长。

modeling ; particle swarm optimization algorithm ; proton exchange membrane fuel cellPEMFC

PSO算法是J.Kennedy等[4]提出的一种生物进化算法。它采用速度-位置搜索模型，每个

The expected neutron -proton halo effect of thesecond excited state of 〓 was not observed in their experiments.

在他们的实验中没有观察到预期的〓第二激发态的中子-质子晕效应。

In many of these the proton and electron have become separated, resulting in free-floating charged particles called ions.

有许多这样的质子和电子还被电离了，所以还有不少这样的被称为离子的带电粒子在飘来荡去。

The main works of the author were: designed the experiment of the measurement absorbed dose for proton, as the major participant of experiment, the author took apart in the experiment from tip to toe, finished sample measurement and data analysis.

本文作者的主要工作是：完成质子吸收剂量测量实验的设计、负责并参与质子辐照的全过程以及在辐照后用电子自旋共振谱仪测量样品和对数据进行分析和总结。

The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.

探讨了呋喃酚环合反应质子酸催化机理。

Pitta enjoyed initial success, his modest fleet savaging Grunger's armada amidst a devastating fusillade of proton torpedoes.

庇塔沉浸于自己前期胜利的喜悦，他的中型舰队猛烈地攻击沐浴在质子鱼雷连射之中的格鲁吉尔大舰队。

The operating temperature range of the proton beam windows of future liquid metal spallation sources will be lower than that of the first wall of a fusion reactor.

操作温度范围内的质子束窗未来液态金属裂源将低于对第一壁的聚变反应堆。

Using benzophenone as a probe, the energytransfer mechanism was studied by pulse radiolysis experiments on TOP-BP-CH andTBPO-BP-CH system. The results showed that organo phosphoryl compounds canaccept energy from excited CH and capture a proton from geminate pair .

结果表明含磷酰基有机化合物在能量转移过程中有双重作用：一方面从环己烷激发态接受激发能，另一方面从环己烷偕离子对〓夺取质子，发生质子转移过程。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。