查询词典 silica

The dust around PG 2112+059 contains large quantities of rock-forming minerals, including crystalline forms of silica, a form of aluminium oxide called corundum (better known on Earth as the principal ingredient of rubies and sapphires) and a form of magnesium oxide called periclase.

PG 2112+059类星体周围的尘埃含有大量形成岩石的矿物，包括硅晶石，被称作刚玉的铝氧化物（更为通俗易懂的说法是红宝石和蓝宝石的主要成分），以及镁氧化物——方镁石。

Silica ; Phosphomolybdic acid ; Methanol ; Decomposition reaction ; Laser stimulated surface reaction ; Laser parameter

二氧化硅；磷钼酸；甲醇；分解反应；激光表面反应；激光参数

Characteristics of bulk and silica supported copper salt of 12-phosphomolybdic acid were investigated using TG-DTA, FT-IR, XRD, and BET surface area measurement techniques and compared with the results obtained with 12- phosphomolybdic acid.

采用TG-DTA、 FT-IR、 XRD、 BET比表面积等方法，研究了体相及SiO2负载磷钼杂多酸铜盐的性质，并与磷钼酸作了对比。

Methods Cyclohexane, ethyl acetate and glacial acetic acid (8∶8∶0.8) were used as the developing solvent. Samples were analyzed on a layer plate of silica gel G thin by using 20% phosphomolybdic acid as chromogenic agent.

以环己烷乙酸乙酯冰醋酸（体积比8∶8∶0.8）为展开剂，以羧甲基纤维素钠为黏合剂自制硅胶G薄层板，20％磷钼酸溶液为显色剂，进行薄层色谱分析。

The influence of conventional phosphonate mineral scale inhibitors on the deposition of colloidal silica was studied.

硅是地球上含量最丰富的元素之一，也是水环境中最常见的胶体物质[1]，在水中硅的溶解度通常在150～180mg·L-1之间[2]。

The results showed that conventional phosphonate mineral scale inhibitors do not inhibit silica formation and deposition.

高硅含量的原水在运行过程中常常形成硅垢沉积于设备表面，导致设备传热效率降低及系统管路堵塞[3]。

While in photoreduction of Cr , the titania-modified MCM-41 photocatalysts were more photoactive than the titania-silica composite (25％ TiO〓).

在光催化降解苯酚中氧化钛修饰MCM-41的光催化活性虽然不及结晶的锐钛矿相纳米氧化钛，但是仍具有较高的催化活性；在光催化还原Cr到Cr反应中氧化钛修饰MCM-41的光催化还原性明显高于部分结晶的TiO〓-SiO〓（25wt％TiO〓）复合氧化物。

CdTe quantum dots doped silica nanoparticles with excellent photostability were prepared and used to recognize liver cells.

四、制备了光稳定性更加优良的硅壳型CdTe量子点，并将其应用于肝实质细胞的识别。

The results show that very bright and photostable Cy3 doped core-shell silica fluorescent nanoparticles...

结果表明，分别采用人免疫球蛋白或多聚赖氨酸修饰的Cy3为内核材料，都能制备荧光强度高、荧光稳定性强和染料泄漏极少的Cy3嵌入的核壳荧光纳米颗粒。

The former is major and continuous, and the lateris spherelike or pillarlike and be wrapped by the former. The calcium-rich phase is more unstable than silica-rich phase in thermodynamics, but stable in kinetics in some extent.

其中富钙相占多数，为连续相，它将非连续的、呈类似球状或柱状的富硅相包裹于其中，构成了矿渣玻璃体的整体结构。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。