查询词典 proton

Its amino acid sequence has nine conserved blocks of Glycosyl hydrolases family 35, including an active site Glu210 of proton donor, but lacking another active site Glu279 of nucleophile.

Bin2a的氨基酸序列中包括Glycosyl hydrolases family 35家族中的9段相对保守的序列，其中包括210位的活性中心Glu，但是缺少另外一个活性中心，279位的Glu。

The full-length cdna of bin2a is 2606bp, encoding 637 amino acid. its amino acid sequence has nine conserved blocks of glycosyl hydrolases family 35, including an active site glu210 of proton donor, but lacking another active site glu279 of nucleophile.

bin2a的全长cdna为2606bp，编码×××个氨基酸。bin2a的氨基酸序列中包括glycosyl hydrolases family ×××家族中的9段相对保守的序列，其中包括210位的活性中心glu，但是缺少另外一个活性中心，279位的glu。

On this proton-density-weighted image, the high signal corresponding to edema respects the gray-white junction, but tends to spare the "u"-fibers.

在质子密度像上，水肿高信号已涉及到灰白质联合，但有向&u&纤维扩展的趋向。

The nature of hadrons and its dynamics of interaction are described with a clue of the structure of proton and neutron in this article, and a detailed introduction to quark model and quantum chromodynamics is also provided.

本文以质子、中子结构研究为线索，描述了强子性质和相互作用动力学，对夸克模型和量子色动力学做了详细介绍。

Although the Tevatron produces many orders of magnitude more hadrons than do the machines at KEK and SLAC, it is nevertheless much harder to study the decay of B mesons in proton-antiproton collisions.

虽然Tevatron能比KEK和SLAC的加速器产生多许多个数量级的强子，但是在正负质子的碰撞中研究B介子的衰变仍是非常困难的。

Analogously, putting these changing regular time after time to the known transformation of various elemental particles from electron and positron to neutrino, to various meson, to various hyperon, to proton, to neutron, to various atom, can all be agree well with actual observation results.

类似地，将这种变换规律逐次用于已知的，由电子、正电子到中微子，到各种介子，到各种超子，到质子，到中子，到各种原子的，各种基本粒子的转化情况，都能与实际观测结果很好地相符。

Based on the 10060 Λ hyperons candidates events selected by us in 27. 6GeV longitudinal polarized e〓 deep inelastic scattering on unpolarized fixed proton target at HERMES, the spin transfer from fragmented u-quark to Λ hyperons, S〓, is measured.

本论文利用HERMES实验装置上的27.6GeV纵向极化正电子束与固定不极化质子靶的深度非弹散射的实验原始数据，重建了10060个Λ超子候选事例，对该过程中核子内被撞击的u夸克在碎裂过程中转移到Λ超子的自旋S〓进行了分析。

Flow field of proton exchange membrane fuel cell is an important factor which influents cell performance.

质子交换膜燃料电池流场是影响其电池性能的重要因素。

It was also found that thecross-linking degree, the micro structure and the surface morphology of the IPN membranes was more important to proton selectivity than the amount of ionomer.

同时发现，相对于离子聚合物中离子交换位的多少，膜的交联程度、微观结构及表面形貌对质子交换膜的性能影响更大。

At present the problems of lowering the prices of perfluorosulfonated ionomer membranes used in proton exchange membrane fuel cells and simplifying the operating systems of PEMFC are deeply concerned.

目前降低质子交换膜燃料电池中所用的全氟磺酸膜的成本和简化电池操作系统一直是人们关注的问题。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。