The catalytic properties of silica rich zeolite prepared by adding extra silicon to REHY zeolite were investigated.
考察了外加硅源对REHY分子筛及其催化剂性能的影响。
The hydrocarbon cracking catalysts prepared by the silica rich REHY as an active component possessed high cracking activity, low coke formation and high metal tolerance...
用该富硅分子筛作为活性组分制备的烃类裂化催化剂,具有活性高、积炭量低和较强的抗重金属污染能力。
Waelz slag, to give its technical name, is composed mainly of silica but is also undesirably rich in poisonous metals like lead and zinc. Getting rid of it safely is thus a problem.
用专业术语来说是Waelz渣,它主要由硅酸盐组成,但同样富含不受欢迎的有毒金属物质例如铅锌,所以处理有毒金属就成了个问题。
The skin of a cucumber is rich in fiber and contains a variety of beneficial minerals including silica, potassium and magnesium.
黄瓜的表皮含有丰富的纤维和多种矿物质,包括硅、钾和镁。
Large amounts of basalt rich in aluminum oxide were also found, which can trigger an eruption when it collides with silica.
研究人员还发现了富含氧化铝的大量玄武岩,当它们与硅土(二氧化硅)相碰撞时,就可以引发火山爆发。
It is a product of volcanic rocks of the mesozoic era over-saturated with silica and rich in potash. it can be compared with geode natrolite that producedin alkaline basalt series of the cenozoic era.
它是中生代硅酸过饱和并富钾质的火山岩系的产物,其意义可与产于新生代碱性玄武岩系中的晶洞钠沸石对比。
Our country is very rich in silica raw material, but the comprehensive utilization of resource is not so good, causing unnecessary waste.
我国硅质原料资源十分丰富,但不注意资源的合理利用,就会造成不必要的浪费。
The bulk of the volcano is basaltic, but the slopes are dotted with cones and lava flows consisting of glassy, silica - rich lavas called dacites.
此火山的主体是玄武岩,但是山坡却点缀著由石英安山岩(一种玻璃质、富含矽的熔岩)形成的熔岩锥和熔岩流。
The bulk of the volcano is basaltic , but the slopes are dotted with cones and lava flows consisting of glassy , silica - rich lavas called dacites.
此火山的主体是玄武岩,但是山坡却点缀著由石英安山岩(一种玻璃质、富含矽的熔岩)形成的熔岩锥和熔岩流。
The silica resources in Luanchuan molybdenum mine are very rich, but they haven't been recovered and used.
栾川钼矿田伴生硅灰石资源储量丰富,尚未综合回收利用,造成损失浪费。
Large amounts of basalt rich in aluminium oxide were also found, which can trigger an eruption when it collides with silica.
并且还发现大量富含氧化铝的玄武岩,它们与硅相撞时可以引发火山爆发。
Silica sol is used to improve the performance of epoxy resin E-44. The zinc-rich anti-corrosive coating is prepared by the modified epoxy resin-based material.
通过硅溶胶来改善环氧树脂e - 44的性能,以改性环氧树脂为基料,制备了富锌防腐涂料。
Silica sol is used to improve the performance of epoxy resin E-44. The zinc-rich anti-corrosive coating is prepared by the modified epoxy resin-based material.
通过硅溶胶来改善环氧树脂e - 44的性能,以改性环氧树脂为基料,制备了富锌防腐涂料。
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