查询词典 fused silica

In order to study the influence of UV pulse laser pre-treatment on surface image of fused silica and validate its upgrade effect on anti UV laser damage ability of fused silica,using 355nm YAG laser raster to scan fused silica optics by means of power increase by degrees periodically,the change of surface image was studied and its anti-laser damage threshold at 355nm was measured.

为了研究紫外脉冲激光预处理对熔石英表面形貌的影响，验证其对熔石英元件抗紫外激光损伤能力的提升效果，利用输出355nm 3倍频紫外脉冲激光的YAG激光器，采用光栅式扫描的方式对熔石英表面进行了全口径能量周期递增的激光预辐照处理，并在处理结束后研究了表面形貌的变化，考核了其在355nm脉冲激光作用下的损伤阈值。

On the other hand,the shrinkage associated with the polymerization was eliminated practically by packing fine quartz sand into the fused silica tube,and the microcolumn and the wall of fused silica tube could be contacted tightly.

在C_8-硅胶整体柱制备的基础上，依靠石英砂的重力沉降，制备了直径2.0 mm，长度为10 cm的填充细石英砂的电色谱整体微柱。

Chapter 7 A Fused Silica PLOT Column Prepared with Nanotube Titanic Acid Adsorbent and the Influence of Treatment on Its Behavior In the chapter, the nanotubed titanic acid H〓Ti〓O〓(OH 〓 was synthesized in our laboratory, morphology and structure of nanotubed titanic acid was investigated, a fused silica PLOT column was prepared with used that as a new kind of stationary phase in gas-solid adsorption chromatography.

第七章 钛酸纳米管PLOT石英毛细管色谱柱的制备及热处理对色谱保留性能影响研究在实验室合成了具有较大比表面积和纳米管特性的钛酸纳米管，对其热处理前后的形貌和结构进行了表征，将其作为气-固色谱吸附剂制备出一种新型钛酸纳米管PLOT石英毛细管柱，同时考察了这种纳米管结构的钛酸作为固定相对C〓～C〓烷烃混合物、空气、SF〓以及CO和CO〓的分离能力。

By the interaction of ethyl acetate and water class solution, The nano silica was synthesized on fused silica capillary tubular inner surface, its morphology and change trend of surface area pore volume and pore size under different reaction condition were investigated.

第三章 原位溶胶-凝胶法制备纳米SiO〓型PLOT石英毛细管色谱柱及其应用建立了原位溶胶-凝胶法制备纳米SiO〓型PLOT色谱柱的方法，采用原位溶胶-凝胶法在毛细管内壁合成出均匀的纳米硅胶多孔层，对所合成的纳米硅胶颗粒进行了形貌表征，同时考察了不同反应条件下纳米硅胶的比表面积、孔体积和孔径的变化规律。

A novel combined phase conjugator consisting of a fused silica rod and silica fiber is used in the high repetition laser system to improve the light quality.

提出了一种新型的由熔石英棒和石英光纤组成的复合型相位共轭镜，其可运用于高重复频率激光输入系统中以改善光束质量。

Respectively, glutamic acid derivatized β-CD has been synthesized with epoxy chloropropane as the intermediate, a water-insoluble yellow liquid was got after the acetylating of the by using acetic anhydride, which was used as a novel gas chromatographic CSP; A water-soluble β-CD polymer cross-linked with epoxy chloropropane has been synthesized, and the derivatives of β-CD polymer were synthesized by its alkylating and acetylating. The different β-CD derivatives were coated on silica capillary columns by dynamic method, the chromatographic properties and retention behaviors of the fused silica capillary columns were studied, the results showed that the β-CD derivatives had good stereoselectivity and separation results to some compounds, especially to various positional isomers and enantiomers.

本文还分别以环氧氯丙烷为中间体，合成了七{2，6-二-O-[3-(1，3-二羟基丙氨酸)]}-β-环糊精，再用醋酸酐将其乙酰化，得到了一种淡黄色粘稠液体，合成了一种新型的环糊精衍生物；以环氧氯丙烷作交联剂合成了一种水溶性的β-环糊精聚合物，再将其烷基化和酰基化，合成了β-环糊精聚合物的不同衍生物，用动态法将不同类型的β-环糊精衍生物涂渍在石英毛细管柱上，通过对所制备柱柱性能的测试和对一系列化合物的分离和保留行为的研究，结果表明所合成的β-环糊精衍生物对各类化合物，特别是对位置异构体和对映异构体具有较好的分离效果，显示了很强的立体选择性。

Laboratory ware made from fused quartz and fused silica; beakers made from fused quartz

石英玻璃和石英材料制实验仪器。石英玻璃烧杯

Fused silica is an excellent glass but expensive because of pure silica's very high melting point.

熔硅玻璃是极佳的玻璃，但由于纯硅的熔点很高，所以制造费用昂贵。

Fused silica is an excellent glass but expensive because of pure silica's very high melt ing point.

熔硅玻璃是极佳的玻璃，但由于纯硅的熔点很高，所以制造费用昂贵。

Microsilica silica fume and micro-production processes is the difference from natural quartz silica (SiO2) or fused silica (natural quartz at high temperature melting, after cooling the amorphous SiO2) by crushing, ball milling , flotation, acid purification, high purity water treatment by multi-channel processing of the powder.

硅微粉与微硅粉的生产流程上的差异硅微粉是由天然石英（SiO2）或熔融石英（天然石英经高温熔融、冷却后的非晶态SiO2）经破碎、球磨、浮选、酸洗提纯、高纯水处理等多道工艺加工而成的微粉。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。