Following its keen nose, a dingo prowls the edge of a sand blow-an ever shifting expanse of silica.
在灵敏鼻子的引导下，一只澳洲野狗徘徊在吹沙边缘——永远移动扩张的硅土。
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.
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。
Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
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.
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。
Answer: want first choice, remaking sand, through the magnetic separation, flotation or chemical purification, silica be 95 percent.
答：先要精选，再制砂后，经磁选、浮选或化学提纯后，二氧化硅能达到95%。
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.
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。
Production line of reshaping silica sand mainly consists of raw sand drying, reshaping, screening, packing section and dust collecting system.
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。
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。
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.
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。
The block is prepared with pulverized fuel ash, natural silica sand and lime through steaming and pressing with a pressure vessel. In particular, a simulated stone layer 3 is added outside the block.
所说的砌块是由粉煤灰、天然硅沙和白灰经高压容器蒸压而成，特别是在砌块的外层有一层仿石层3。
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.
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 article mainly reasearched that light alkali substituting heavy alkali and 10% silica sand ultra-fine dust were used in the float glass batch by the method of adding special cementing agent.
通过在浮法玻璃配合料中加入特殊黏结剂取代传统的配合料加水，可以将配合料中重碱换成轻碱，并可利用10%的硅质超细粉原料。
Tin ore, copper, zinc mine, iron ore, snake bite mine, silica, sand and gravel sales.
锡矿、铜矿、锌矿、铁矿、蛇纹矿、硅石、砂石购销。
The processing of silica sand including transferring, screening and dewatering, eliminating bridge-formation in the silo, weighing in precision, dust-prevention device etc. has been recommended.
本文着重介绍了石英砂原料的输送、筛洗与脱水、料仓破拱、精确称量、除尘与密封等问题。
Compared to the alumina beads, it has a higher fracture toughness and lower hardness. It is an economic ceramic bead to replace Kaolin bead, silica sand and other natural grinding media.
相比传统的氧化铝微珠，具有更高的断裂韧性和较低的硬度，是一种代替高岭土球、河砂和铁粒等天然材料研磨介质的经济型和实用型的陶瓷珠。
Designed to convey granular products, like silica sand used in the foundry industry.
该产品旨在输送颗粒物品，如在铸造行业使用的石英砂。
The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.
滤砂器是根据不同技术标准筛选不同粒度的石英砂、油井水泥、添加剂和水按配比加工压制的。
There are three respects of contrast between high alumina and silica sand in using for induction furnace Lining. They are the sintering technology, the using effect and the synthetic economic results.
本文从烧结工艺、使用效果及综合经济效益三方面就高铝矾土与石英砂在感应电炉炉衬上的应用做了对比。
Mixed with silica fume and silica fume to minus the volume of the same volume of sand and gravel.
掺硅粉和硅粉负的体积相同数量的沙石。
Such as Natural Dolomite stone, River Sand, Silica Sand, Construction Sand, Quartz stone and much more.
如自然白云石石料，河砂，石英砂，建筑砂，石英石等等。
Such as Natural Dolomite stone, River Sand, Silica Sand, Construction Sand, Quartz stone and much more.
如自然白云石石料，河砂，石英砂，建筑砂，石英石等等。
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