英语释义

1. a sand formed from quartz

片语

resin-coated quartz prepacked sand石英树脂预包砂

arenaceous quartz石英砂

arenaceous sand石英砂

quartz filter sand石英砂滤料

quartz z sand石英砂

modified quartz-sand改性石英砂

Melted quartz sand熔融石英砂

Casting Quartz Sand铸造用石英沙

Quartz sand filter media石英砂滤料

modified quartz-sand filter media改性砂滤料

quartz fine sand石英细砂

英汉例句

• sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.

  比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。

• in this experiment the characteristics of mixed filtration media composed of rare earth sandstone, quartz sand and stone coal were researched.

  并对曝气过滤的效果及稀土瓷砂和石英砂、无烟煤混合滤料的性能进行了试验研究。

• this article introduces briefly the productive process of quartz sand in wet method, main equipments key steps and analysis of the qro duct content.

  本文简介了湿法生产石英砂的工艺过程、主要设备、关键步骤及成品含量分析。

• the effects of solidification time and temperature, types and amount of catalyst, and different grain sizes of quartz sand on sand consolidation effectiveness are discussed.

  评价了固化时间、固化温度、催化剂的类型和用量以及不同粒径石英砂等因素对固砂效果的影响。

• but when the vitrified diamond stone is buried into quartz sand , in 750 centigrade, the damage to diamond is much smaller.

  而陶瓷结合剂金刚石试块在埋入石英砂中、空气气氛下，750℃时对金刚石磨料本身的热损害很小。

• the sample came from the remote pilbara region of western australia, a site called strelley pool, where the microbes, after dying, had been finely preserved between quartz sand grains.

  化石样本来自澳大利亚西部偏远的皮尔巴拉地区一个叫斯特雷利池的地方。在那里，死后的微生物在石英砂和沙砾之间被完好的保存下来。

• the surface features of quartz sand grains may well be used as the indicators of their depositional environments due to larger hardness and chemical stability.

  过去关于其沉积环境的判别主要是根据沉积结构和构造，并未对其石英沙颗粒表面特征进行过系统分析。

• in order to solve the surface chemical scab phenomenon of the high manganese steel casting, the method that replacing quartz sand with magnesium olivine sand was put forward in this paper.

  介绍了为解决高锰钢铸件的表面化学粘砂现象，结合生产实际，提出将铸件原砂由石英砂改为镁橄榄石砂。

• nanofiltration membrane combined technique system purifying polluted groundwater using active carbon, manganese sand and quartz sand filtrations for pretreatment was established respectively.

  分别建立了以活性炭、锰砂及石英砂过滤为预处理的纳滤膜组合工艺系统凈化受污染地下水。

• the mixture can not fluidize when the percentage of quartz sand was below 60%. the quartz sand can fluidize very well alone in the fluidized bad.

  当石英砂所占比例低于混合物的60%时，混合体系基本不能实现流化，而当石英砂单独流化时，流化效果呈理想状态；

• adding 7% cordierite, 7% flint clay and 2% quartz sand in matrix enabled the castable to have highest thermal shock resistance.

  基质中同时引入7%的堇青石、7%的焦宝石和2%的石英砂时，浇注料的抗热震性最好。

• a new kind of sand condensate was prepared using bakelite and inorganic clay as main ingredients with standard quartz sand as carrier.

  以标準石英砂为载体，由酚醛树脂、无机粘土为主要成分制备出有机-无机复合防砂固砂剂。

• hunji rock is formed in seashore environment, mixed carbonate sediment in beach or tideland facies with quartz sand taken from bayou or beach by coastwise flow and circumfluence.

  混积巖形成于滨岸浅滩环境，由沿岸流和回流将河口或滨岸海滩的石英砂带到滨岸浅滩和潮坪相碳酸盐沉积区混杂而成。

• replacing quartz sand with mullite sand, the high temperature intension of sand core can be improved, the burr defect is avoiding, the quality and life of track plate and pin are improved.

  利用莫莱石砂替代石英砂生产履带板砂芯可提高其抗高温开裂强度，消除履带板销孔的脉纹铸造缺陷，提高履带板与履带销的质量与使用寿命。

• iron, aluminium, calcium and magnesium in the quartz sand of a certain place are reduced more or less after has being separated by magnetic separation method and treated by submerging in diluted acid.

  某地石英矿砂通过磁选分离法、稀酸浸泡法处理后，矿砂不同程度地降低了铁、铝、钙镁的含量；

• a successful fluidized classification of quartz sand has been obtained on the basis of the analogy between classification and distillation.

  本文是根据流态化分级与液体精馏类似性原理，采用流态化技术对石英砂颗粒进行了成功的分级。

• it is also pointed that the surface characteristics of quartz sand not only represent its final sedimentary environment, but also include a series of depositional processes.

  同时也指出，石英砂表面特征不仅反映着最终的沉积环境，而且也包含着一系列的沉积历史过程。

• quartz sand core, which is made in accordance with a special core making technique of casting, is one of common materials used in investment casting.

  石英砂型芯是采用熔模精密铸造的常用材料，通过特定的制芯工艺制成的一种铸造用型芯。

• the quality of the used quartz sand should be decided by on-the-spot engineers according to the specific situations of the ground.

  石英砂使用目数由现场工程师根据地面具体情况确定。

• the mechanical method of manufacturing nano-sized quartz powder is introduced with the properties and grinding characteristics of quartz sand and the principle of high-energy planetary ball mill.

  本文在简要地介绍石英砂的性质及粉碎特性的基础上，通过分析行星式高能球磨机的工作原理，提出了采用机械法制备石英纳米粉的方法；