For some time she could see nothing before her but a flat waste of sand, which became hotter and hotter as the sun rose higher and higher.
荒凉的沙地一览无余，她找了很长时间却什么也没找到。太阳渐升渐高，天也越来越热。
From the point of recycling of solid waste, this paper is to discuss the synthetic utilization of used sand and analyse the future.
从固体废弃物资源化的角度论述铸造旧砂的综合利用情况并分析其前景。
The interface of the composites made of waste foundry sand as fillers and waste mulching films as matrix was studied.
研究了以铸造废砂为填料、废旧地膜为基体，制备复合材料的界面问题。
The behaviour of this waste or broken rock is similar to that of a clean sand or gravel.
这种废石或碎石的行为与洁净的砂石或砾石相类似。
Industrial solid wastes utilized in dry mix mortars mainly include blast furnace slag, fly ash, waste rubber powder, waste expanded polystyrene granule, steel slag and tailing sand.
本文主要论述了矿渣微粉、粉煤灰、废橡胶粉、废弃聚苯颗粒、尾矿砂等工业固体废弃物在干混砂浆中应用的研究进展。
The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength. It is of advantage for construction.
试验表明，废石粉部分取代砂，可以改善砂浆的和易性，减少砂浆收缩，提高抗压强度并有利施工。
Disclosed is a complete equipment for waste water reuse. The device solves the recycling of car wash water through processes such as coagulating sedimentation and sand filtration.
洗车废水回用成套设备，一种通过混凝沉淀，砂滤等过程来解决洗车废水循环的设备。
By Flocculentdeposit ABR -sbr and sand leach, waste water are processed in keeping with the standards.
通过采用絮凝沉淀、ABR反应池、SBR池、砂滤的工艺实现了废水的达标排放。
The invention provides a soilless sod culture medium prepared by urban waste compost and sand.
本发明提供了一种无土草皮栽培基质，是利用城市垃圾堆肥和沙子制成。
The tests show part of the waste stone dust instead of sand can improve workability of mortar, reduce mortar contraction and increase compression strength…
试验表明，废石粉部分取代砂，可以改善砂浆的和易性，减少砂浆收缩，提高抗压强度并有利施工。
The acidproof bricks with high performances were produced by using kaolin, quartz sand, refractory waste, K-feldspar and barium carbonate.
本文利用高岭土、石英砂、耐火材料废料、钾长石和碳酸钡为原料制备出了一种性能良好的耐酸砖。
The process includes the waste purification from oil emulsion in Tilted-Plate Separator and the suspension separation in the downward-flow sand-gravel filter.
处理方法包括使用倾斜盘式分离器分离油乳化剂，使用下流式砂砾过滤器分离悬浮颗粒物。
For printing and dyeing waste water, adopting the technology of coagulation sediment and pre-processing sand filtration is capable of removing almost all turbidity and partial chroma.
印染废水采用混凝沉淀及砂过滤前处理工艺，可去除几乎全部浊度及部分色度。
The additive of correcting metal penetration for green sand mold casting, made from the waste of oil further fabricated——namely DK material, is researched in this paper.
研制了利用植物油深加工后的废料———DK材料作为铸造用湿型砂防粘砂添加剂。
Lime industrial solid waste stabilized sand gravel is applied in base of highway pavement structure. Without stopping traffic, construction can proceed.
用二灰砂砾作公路路面结构的基层，可在不中断交通情况下施工。
Substrate preteatment technique sand blasting exists two big problems recently:(1) sand material not being able utilized cyclically, technological cost being high, resources waste being serious;
针对基体前处理技术中的喷砂存在的两大问题：1）砂料不能循环利用，工艺成本高，资源浪费严重；
The industry waste slag fly ash or the river sand is used as the siliceous material.
工业废渣粉煤灰或河砂一般被用来作为硅质材料。
The area of grassland, waste land, bush forest land, forest land and sand land reduced, grassland and waste land reduced drastically.
荒草地、裸土、灌木林地、有林地、沙地面积减少，荒草地和裸土地大幅度减少。
This originally is "recycles waste" the good deed, however, USES the sea sand unreasonable, actually will give the country and the populace brings the harm and even the disaster.
这本是“变废为宝”的好事，然而，不合理地使用海砂，却会给国家和民众带来危害乃至灾难。
This originally is "recycles waste" the good deed, however, USES the sea sand unreasonable, actually will give the country and the populace brings the harm and even the disaster.
这本是“变废为宝”的好事，然而，不合理地使用海砂，却会给国家和民众带来危害乃至灾难。
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