查询词典 silica

Researchers plan to use Spirit's thermal emission spectrometer and panoramic camera to check for more silica-rich outcrops on the route to Von Braun and Goddard.

研究者正计划使用火星车上携带的热辐射分光计和全景相机沿前往"冯·布劳恩"和"戈达德"的途中寻找更多的富硅岩石出露。

We were focusing on the growth momentum, growth environment and physical meaning of silica in Parabola and linear model.

着重分析了线性抛物线模型中氧化硅的生长速率、生长环境、物理意义等。

According to testing results, the stress-strain curve of the cemented soil stabilized the nanometer silica fume is fitted using a quadratic parabolic curve and expression equation for upward sector of the stress-strain curve is given.

根据试验结果，分析了纳米硅粉水泥土的变形特性，并对其应力应变曲线进行了二次抛物线拟合分析，推导了曲线上升段的表达式。

Since olivine is silica-unsaturated, quartz and olivine never coexist in the same rock. Therefore, in mantle peridotite and other ultramafic rocks, primary quartz can never be found.

由于石英和非饱和SiO_2的橄榄石不能共生，因此在地幔橄榄岩和超镁铁岩中不存在原生石英。

BACKGROUND: The silica gel prosthesis and os lenticulare were widely used as substitute for lunar bone, which can result in complications, such as periostitis, bone resorption as well as carpal bone collapse.

摘要背景：月骨切除后以往用硅胶假体和豆状骨移位等替代，短期有一定疗效，但可发生硅胶性骨膜炎、移植骨吸收和腕骨塌陷等并发症。

Result shows that C/A is a sensitive factor for ASR expansion and more than one fixed C/A may be more suitable for identifying the alkali silica reactivity of aggregate in order to avoid the influence of the'pessimum effect'.

结果表明：胶砂比对检测集料ASR活性是一敏感因素，为避免"最不利现象"对检测结果的影响，采用多个胶砂比比采用一个固定的胶砂比更适宜。

Minerals and elements such as manganese, iron, copper, cobalt, carbon, chromium and silica which are present in the petrification process give the petrified wood a rich variety of colour range and lustre.

在石化的过程中，含锰、铁、铜、钴、碳、铬、硅等化学元素的矿物会参与其中，赋予了木化石变化万千的色彩与光泽。

Through analysis of the experimental data about ultrapotassic rocks, typeI ultrapotassic rocks came from the source region of phlogopite harzburgite that had undergone metasomatism of fluid enriched in silica and potassium; while the source region of typeⅢ potassicultrapotassic volcanics is carbonated peridotite mantle bearing potassic amphibole.

综合超钾质岩石的实验资料，可知区内I型超钾质岩的源区以富硅、富钾流体交代形成的金云母方辉橄榄岩为主；Ⅲ型钾质超钾质岩浆源区则以斜辉橄榄岩地幔为主。

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。

The most significant advance of the work described in this thesis is as follow.1 The silica microdisk optical resonator which exhibit whispering-gallery-type modes with quality factors 1×10~5 have been fabricated firstly with standard photolithographic techniques and dry etching in China.

论文主要工作和创新之处包括：1在国内首先通过光刻方法以及干法刻蚀方法得到高Q值微盘谐振腔，微盘腔的Q值达到约1×10~5。

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