对铸造硅砂的选择性激光烧结进行了试验研究。
Selective laser sintering of foundry silica sands was investigated by experiments.
玻璃的基本原料，包括硅砂和纯碱，几乎可以在任何地方找到。
The basic ingredients in glass, including silica sand and soda ash, are found almost everywhere.
该项目完成了玻璃纤维硅砂增强管结构在公路涵洞中的试验。
This project finished the experiment on the structure of a glass fibre strengthening culvert tube in the road culvert hole.
结果表明，高温焙烧可以净化硅砂的表面，使硅砂的耗酸值降低。
Results show that the surface of silica sands can be purified and quantities of the acid consumption can be reduced by high temperature calcination.
树脂砂铸造中，增强树脂硅砂的粘合性，提高型砂强度及抗湿性。
When used in the sand casting of resin, it can strengthen the adhesion, improve profile sand strength and antiwetting property.
整形硅砂生产线主要由原砂烘干、整形、筛分、包装工段以及除尘系统组成。
Production line of reshaping silica sand mainly consists of raw sand drying, reshaping, screening, packing section and dust collecting system.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
Thus, the mineral crystalline morphology of natural silica sand is an important parameter for use in foundry.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
The mineral crystalline morphology of foundry natural silica sands has been investigated, which can be divided into two groups:single crystal and polycrystalline gather.
通过实验，提出了设备最佳整形工艺参数，并在实验设备上对几种硅砂进行了整形实验。
By experiments, the optimum reshaping technological parameters of the equipment were put out and reshaping tests for several kinds of silica sands were carried out in the experimental installation.
通过对硅砂颗粒度的分析，介绍了硅砂成份与颗粒度的关系，说明了硅砂对熔化的影响。
The dependence of silica sand composition on its granularity is discussed through analysis of its grain distribution and the effect of granularity or composition on melt is al so pointed out.
测定了覆膜种砂在激热条件下的膨胀值，并与相同条件下普通覆膜硅砂的膨胀值进行了对比。
The thermal expansion values of the precoated non silica and have been measured and contrasted with them of the precoated silica sand on the same conditions.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
它们是由硅砂和金属构成的，和恐龙蛋没有任何关系……除此之外，我们还能看到它们上面的腐蚀的部分。
They consist of silicon, sand and metal so there's no any connection to dinosaurs... Besides, we may see corrosion on some of them.
对间接选择性激光烧结硅砂进行了实验研究，通过对烧结后硅砂显微组织的观察，得出了硅砂烧结的机理。
Indirect selective laser sintering of silica sand have been studied by experiment. The mechanism of laser sintering silica sand is obtained by observing the microstructure of sintered sample.
阐述了不同产地硅砂搭配使用过程中，硅砂成分及粒度组成对玻璃质量的影响，提出了硅砂最优化搭配方案。
This paper describes the effect of composition and granularity of silica sand on glass quality. Brings forward optimal mix proportion of silica sand from various ore-fields.
例如，运用LCA技术，可以对一只玻璃瓶的整个生产及使用过程进行追踪，即从其在华氏2000度高温下熔砂48小时提取硅，直至玻璃瓶被用过之后的最后丢弃的全部过程。
An LCA tracks, say, a glass jar from the initial extraction of the silica from sand through the 48 hours of cooking at 2, 000 degrees Fahrenheit all the way through its final disposal.
采用磁选分离法+稀酸浸泡法联合处理后，使该地石英砂的化学成分达到了优质的生产平板玻璃用硅质原料的国家标准。
The chemical contents in the sand quartz has reached national standards of silicon raw material for plate glass production after combined treating by magnetic separation plus diluted acid dipping.
广西的石灰岩按性质可分为纯质石灰岩、夹硅质石灰岩、夹砂页岩或火成岩的石灰岩三种类型。
According to the nature, Guangxi limestone is separated into three types: pure limestone, siliceous limestone, mixed sand shale or limestone of igneous rock.
受砾屑硅质岩、含砾砂屑硅质岩控制。
研究了养护碱溶液性质和胶砂比与硅质集料砂浆试样膨胀的关系。
The influences of alkali curing solutions and cement aggregate ratios on expansion of mortar bars were investigated.
活动性差的硅铝质砂板岩形成岩体的天然屏障；
贵公司是坐落在旧金山市中心而不是在砂山道的心脏硅死胡同。
Your firm is located in downtown San Francisco instead of at Sand HillRoad in the heart of the Silicon alley.
工业废渣粉煤灰或河砂一般被用来作为硅质材料。
The industry waste slag fly ash or the river sand is used as the siliceous material.
我厂生产的石英砂主要用于玻璃，耐火材料，冶炼硅铁，冶金熔剂。
My factory productions quartz sand mainly uses in the glass, fire-proof material, smelting ferrosilicon, flux, ceramics, abrasive substance, casting.
本机采用金刚砂线锯技术，用于切割单晶硅棒、多晶硅方棒。
The cutter is used to cutting mono-crystal silicon rod and poly-silicon cube with the technology of monocrystalline wire saw.
本机采用金刚砂线锯技术，用于切割单晶硅棒、多晶硅方棒。
The cutter is used to cutting mono-crystal silicon rod and poly-silicon cube with the technology of monocrystalline wire saw.
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