硅酸

The present invention relates generally to UV photosensitive bulk glass, and particularly to batch meltable alkali boro-alumino-silicate and germanosilicate glasses.

本发明一般涉及UV光敏玻璃块，具体地说，涉及可熔融碱金属硼-铝-硅酸盐玻璃和硅酸锗玻璃料。

In this paper, the determination of trace elements including copper, manganese,cobalt, nikel and chromium in lead metasilicate by atomic absorption spectroscopyhas been investigated.

本文提出用火焰原子吸收分光光度法测定硅酸铅中的微量元素铜、锰、钴、镍和铬，并探索了样品中可能存在的干扰元素及溶剂介质酸度对测定的影响。

Atomic absorption spectrophotometry ; determination ; microelement/lead metasilicate

原子吸收分光光度法；测定；微量元素/硅酸铅

Based on above observations, it can be inferred that: a Monosilicic acid is the major silicon-bearing component taken up by roots of rice and bamboo; b Passive uptake of silicon is important for these plants; c Evapo-rate-transpiration may be the major mechanism for the transportation and precipitation of silicon in these plants.

研究得出：1水稻与竹子由外界吸收的含硅化合物主要为正硅酸；2被动吸收是其吸收硅的重要形式；3蒸发作用是硅在这些植物中迁移和沉淀的主要机制。

The process is carried out by rubbing into filament raw materials, digesting in plasticizing liquid of sodium hydrate and sodium silicate at 100-130degree for 1-2hrs to obtain plasticized raw material, high-speed agitating plasticized raw materials with non-metallic minerals, octadecanoic acid and silicon oil at 100-130degree for 15-45hrs, coating and drying to obtain the final product.

先用农用搓揉机直接搓揉成丝状物料，然后丝状物质在含氢氧化钠和硅酸钠的塑化液中于100～130℃下蒸煮1～2小时，得到塑化物料，最后将塑化物料同改性非金属矿粉、硬脂酸和硅油在100～130℃下高速搅拌15～45分钟进行包覆处理，干燥后便得到目标产物。

As one kind high quality and moderately-priced opacifier, zirconium Silicicate widely uses in building ceramics, sanitary earthen ware, ceramics for daily use, high- level handicraft ceramics and so on.

硅酸锆的折射率高1.93-2.01，作为一种优质、价廉的乳浊剂，被广泛用于各种建筑陶瓷、卫生陶瓷、日用陶瓷、一级工艺品陶瓷等的生产中。

Zirconium silicate has higher refractive index 1.93～2.01, enjoys sound chemical stability. It's a quality and cheaper opacifier finding widespread application in manufacturing various building ceramics, sanitarty ware,daily ceramic products,and high-quality ceramic products.

硅酸锆的折射率高1.93-2.01，化学稳定性能好，是一种优质、价廉的乳浊，被广泛用于各种建筑陶瓷、卫生陶瓷、日用陶瓷、一级工艺品陶瓷等的生产中，在陶瓷釉料的加工生产中，使用范围广，乳浊行，流动行好，具有较强的耐磨性和增白作用。

In the experiments, some facters such as the proportion of tetraethyl orthosilicate to coupling agents and distilled water to tetraethyl orthosilicate,the concentration of ammonia,reaction time and reaction temperature were controlled.

研究了正硅酸乙酯与偶联剂的比例、水硅比、氨水用量、反应温度与反应时间等因素对包覆效果的影响，其中重点讨论了偶联剂的添加方式对成膜效果的影响。

Silica sol without ethanol was prepared with tetraethyl orthosilicate as precursor.

以硅酸乙酯为水解前驱体，制备了有机硅水溶胶体系。

TS-1 with MFI topology has been synthesized using tetrae〓hyl orthosilicate and amorphous silica as Si sources.

分别以硅酸四乙酯和无定形氧化硅为硅源合成了具有MFI拓扑结构的TS-1分子筛。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷