二氧化硅

The silicon dioxide matrix could delay the photodecomposition process of the organic complexes.

考察了部分稀土有机配合物二氧化硅复合材料的耐紫外辐射性能。

The present invention is process of separating and assembling metallic single wall carbon nanotube and semiconductive single wall carbon nanotube synchronously. The process includes the following steps: photoetching silica substrate to prepare Au electrode, cutting intervals in the electrode with focused ion beam, soaking the electrode in DMF solution of single wall carbon nanotube, and applying electric field of 2-8 V magnitude and 1-10 Hz frequency.

本发明的目的在于提供一种金属性和半导体性单壁碳纳米管的同步分离与组装方法，该金属性和半导体性单壁碳纳米管的同步分离与组装方法包括如下步骤：通过常规光刻在含二氧化硅的衬底上制备金电极的步骤；利用聚焦离子束在电极上刻出若干个间隙的步骤；将上述电极浸入到单壁碳纳米管的DMF溶液的步骤；施加大小为2～8V、频率为1～10Hz的电场的步骤。

Hill of the 2 oxide silicon components of the Airframe, Engine damage, pilot sight, it is very dangerous, affected European countries have been forced to take the "9. 11 "incident has been the largest grounded.

火山灰里的二氧化硅等成分会对飞机机体、发动机造成损害，影响飞行员视线，非常危险，受影响的欧洲各国因此被迫采取了"9.11"事件以来最大规模的停飞措施。

Objective To study the expression of TGF-β1 in experimental pneumoconiosis of rats.

目的研究转化生长因子β1(TGF-β1)在二氧化硅所致矽肺大鼠肺组织中的表达。

Objective To study dose response relationship between cumulative exposure to silica and cumulative incidence of pneumoconiosis.

目的 探讨游离二氧化硅累积接触与尘肺累积发病的剂量反应关系。

Quartz glass is special industrial technology glass made by silicon dioxide and is one kind of excellent basal material.

石英玻璃是用二氧化硅制造的特种工业技术玻璃，是一种非常优良的基础材料。

Model predictions are qualitatively consistent with experimental observations of regions of the buffer exposed to the highest temperatures,which indicate precipitation of secondary phasesanhydrite ± amorphous silica(opal-CT ± calcite and alteration of Na-smectite to Ca-smectite ± saponite.

模型的预测值能够定性地与高温下缓冲区的观测试验值相吻合，表明次生矿物的沉淀无水石膏±无定形二氧化硅(opal-CT±方解石和由 Na 基蒙脱石变为 Ca 基蒙脱石±皂石的相交替过程。

Made of or covered with scaly particles ,such as dandruff.

最小的二氧化硅颗粒往往会对把微粒吸入肺泡的巨噬细胞造成最大的伤害。

The sealant used silicone oxide membrane by sol-gel for seal ing the solder point of leaders and sides and back of device.

采用溶胶－凝胶法[1，2]制备二氧化硅对电极引线的焊点和器件的侧、背面进行封装。

This Coarse-Grained Sedimentary Rock Is Formed By The Consolidation And Aggregation Of Sand And Held Together By Natural Cement, Such As Silica.

这粗粒沉积岩形成，巩固和聚集的沙子和一起举行的一个自然的水泥，如二氧化硅。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。