查询词典 alumina

Employing dealkylation of cumene as the controlling reaction, the authors investigated the poisoning action of pyridine on a silica-alumina catalyst.

本文以异丙基苯的裂化作为控制反应，用动力学方法考察了硅铝催化剂为吡啶中毒的情况。

This study examined the alumina ceramic membrane to deal with high turbidity water flux changes in the law of decay was found in the early running flux decay rapidly, the latter tends to slow decay, a linear decline in the overall. 51qikan.

Key words： high-alumina ceramic membrane separation of water turbidity摘要：本实验研究了氧化铝陶瓷膜处理高浊度水时膜通量衰减变化规律，发现运行初期膜通量衰减很快，后期衰减趋于平缓，总体成线性下降。

The effects of sintering temperature and sintering-aid content on densification and grain growth of sub-micron alumina were systemically studied.

系统研究了烧结温度、烧结助剂含量对亚微米晶氧化铝陶瓷的致密化过程及显微结构的影响。

Objective To investigate the influence of the thickness of opaque-dentine porcelain on the composite color of opaque dentine and infiltrated alumina substrates complex.

目的：研究VidadurAlpha饰瓷中不透明牙本质瓷的厚度对In-Ceram渗透铝瓷复合颜色的影响。

In this paper,based on comprehensive information,combined with that bauxite is commouly characterized by diaspore,higher Al and Si,lower Fe, the Series-combination with Ore Mixing technology is put forward as the alumina production process.

本文在综合资料的基础上，结合我国铝土矿多为一水型硬铝石，具有高铝、高硅、低铁的特点，提出配矿串联法生产氧化铝工艺。

Effect of silicon dioxide and alumina filler with different contents on the wear-resistance properties of polyurethane elastomer was studied.

研究了不同质量分数的白碳黑与Al2O3填料对聚氨酯弹性体耐冲蚀磨损性能的影响。

Whole alumina and electroanalysis aluminous industry will be attacked once more by heavy retype, and the biggest challenge that faces among them will come from an international market.

整个氧化铝和电解铝行业将会再度受到沉重打击，而其中面临的最大挑战将来自国际市场。

It is difficult to detect the alumina concentration, polar distance, temperature and mole ratio on-line, so it is more easily to control pre-baked aluminium electrolytic cell by the method of intelligent fuzzy control.

因此，对于预焙铝电解槽的控制，采用智能控制方法更容易达到预期的控制效果。

The crude extracts were isolated by column chromatography of alkaline alumina, and a bioactive fraction was obtained from the 80%ethanol eluate.

此液经碱性氧化铝柱层析分离，其80%乙醇洗脱的 C 组分显示生物活性。

Effect of elution phase composition on the elution characteristics of phospholipids on the alumina column was experimentally studied.

开展了不同洗脱液组成对氧化铝柱上磷脂洗脱曲线影响的实验研究。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48