查询词典 hydrogen

Alloy membrane is used to separating hydrogen isotope,but after operating tritium,decay product 3He resorts in alloy membrane,forms helium bubble s and affects the macroscopical properties of alloy membrane.

PdY8.5Ru0.19合金是用于氢同位素分离的膜材料，但涉氚操作后，衰变3He会滞留在合金膜中并形成氦泡，影响其宏观性能。

At present chemistry trades the skin to have two kinds: One kind applies the decolorant, like hydrogen peroxide or hydroquinone; Another kind is uses the phenol or the trichloroacetic acid and so on carries on the corrosive cracking-off.

目前化学换肤有两种：一种是应用脱色剂，如过氧化氢或氢醌；另一种则是使用苯酚或三氯醋酸等进行腐蚀性剥脱。

This is a direct use of solar radiation to decompose water hydrogen which called light - chemistry conversion way.

这是一种利用太阳辐射能直接分解水制氢的光-化学转换方式。

Hydrogen Decrepitation has been used as an efficient and economical method in producing coarse NdFeB powder.

研究了氢对Nd-Dy-Fe-B磁体制作过程的影响，主要包括氢对HD磁粉的氧化和对其后烧结磁体磁性能的影响。

And hydrogen decrepitation , which can be used to shorten the production period, to decrease the cost and to improve the magnetic properties, is widely studied.

烧结NdFeB系永磁材料在当前工业生产中获得了广泛的应用，而氢破碎作为一种粗破碎手段，由于具有生产周期短、生产成本低和可提高磁体性能等优。。。

The main progressing of this study is followed:The key process parameters of manufacturing sintered NdFeB magnets, such as strip casting, hydrogen decrepitation process, jet-milling process, orientation and pressing process, sintering and annealing process are investigated.

主要有以下进展：研究了烧结NdFeB永磁材料制备过程中一些关键的工艺步骤，如速凝铸带工艺、氢爆工艺、气流磨制粉工艺、取向成型工艺、烧结与回火热处理工艺等对磁体的磁性能、力学性能和显微组织的影响。

By using both the hydrogen decrepitation and double-alloy processes to avoid soft magnetic Laves phase,we prepared N35AH sintered Nd-Fe-B permanent magnet with ultra-high coercivity,which can be used at temperature up to 240℃.

现在汽车驱动电机、水力风力发电机、压缩机电机、船舶用大功率推进电机等领域对高使用温度烧结Nd-Fe-B磁体的需求日益增长，所以提高烧结材料的耐热性成为当今钕铁硼行业的主要研究方向之一。

A manufacture method of anisotropic NdFeB magnet powders was investigated from sintered bulk magnets by hydrogen decrepitation.

作者中文名：强文江；汤虹；孙爱芝摘要：研究了通过吸氢破碎处理由烧结NdFeB磁体制取各向异性磁粉的方法。

Getting atomic oxygen and molecular hydrogen to combine in the deep, cold vacuum of space is nearly impossible.

让原子氧和分子氢在深邃而寒冷的太空真空环境中结合几乎是不可能的。

Approach based on σ criterion and λ criterion to evaluate flame acceleration and deflagration to detonation transition was established, and hydrogen deliberate ignition at early and late stage was analyzed in a single close room.

基于σ准则和λ准则可以评估氢气燃烧时发生火焰加速和爆燃向爆炸的转变的可能性。本文分析密闭房间中氢气早期和晚期点火的过程。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。