Improvement of quartz sand filtration of polluted NHD solution;
受污NHD溶剂石英砂过滤工艺的改进
Improvement of quartz sand filtration process for vinegar treatment;
石英砂过滤澄清食醋工艺的改进
Study on surface modification of quartz sand with iron oxide;
氧化铁对石英砂表面改性的研究
This paper introduces the working principle of this instrument and its use for analyzing high silica sand.
介绍X-射线荧光光谱仪 的工作原理,以及在测定高含量石英砂时的制样方法、标准曲线的制作、测量条件,以及对检测结果的分析。
The choose of liner materials,working principle and factors of influencing the life of liner material were described and the reason of prolonging the life of medium-frequency induction furnace by using SD-T-A silica sand dry material was discussed.
通过对炉衬材料的选择,作用机理及影响石英砂炉衬材料寿命的相关因素的阐述,说明了SD-T-A石英砂干振料可提高中频炉酸性炉衬使用寿命的原因。
The process of purifying silica sand and its effect were studied,and primary suggestions on improvement of production flowsheet and selection of process equipment were put forward.
介绍了我国硅质原料加工的一般情况 ,分析研究了某厂石英砂提纯的工艺过程及效果 ,就普通硅质原料精制提纯以生产高纯、超纯石英砂进行了探索 ,并对生产流程改进和工艺设备选用提出了初步建议。
During heating,phase transformation and expansibility of the new quartz sands and the calcined Quartz sands from two places were determined by DSC and thermodilatometry.
本研究采用DSC和热膨胀仪对两种石英砂的原砂和焙烧砂在加热过程中的相变和热膨胀进行了分析。
The adsorption of asphaltene and resin on quartz sands makes the surface property of the quartz sands transfer from strong water_wet to oil_wet.
沥青质和胶质在石英砂上的吸附使得石英砂表面由强亲水向油湿方向转化 ,但这种转化作用与沥青、胶质浓度不成正比。
During heating,phase transformation and expansibility of the new quartz sands and the quartz sands calcined at 900℃was analyzed by DSC and thermodilatometry.
结果发现,加热过程中,石英砂分别在574℃和790℃附近出现了两个吸热峰,石英砂在加热时相转变吸收的热量大于冷却时相转变放出的热量,焙烧后的石英砂相变时需要更多的能量。
Kinetics of methane hydrate formation in mixture of ice powders and sand;
甲烷水合物在冰粉石英砂混合物中生成的动力学
Study on technologic condition of sand in immobilized biological activated carbon purification technology;
IBAC技术中石英砂垫层的工艺条件研究
Study on function correlation between long-fiber filtering and sand filtering;
长纤维过滤与石英砂过滤的性能对比试验
The adsorption isotherms of NaDDBS on arenaceous quartz at several temperaratures were measured by state method and dynamic method (step-respanse technique ).
用静态法和动态法（阶跃法）测定不同温度下十二烷基苯磺酸钠在石英砂上的吸附等温线。
The influences of bed height and the particle size of arenaceous quartz on the critical air velocity are then discussed.
为了克服利用经验公式计算临界流化速度的局限性,在以生物质为燃料的循环流化床试验台上进行了冷态状态下床料(石英砂)临界流化速度的试验研究。
The tests and studies on the rhyolite filtering material show that the functions of the rhyolite material are superior to that of the arenaceous quartz, and the rhyolite flitering material is worth further studying and developing.
对流纹岩滤料的初步试验研究表明，流纹岩滤料的性能明显优于石英砂，是比较理想的天然无机滤料，具有进一步研究开发价值。
Study on the main influence factor on Aerosol oT and soybean protein in quartz surface adsorption;
石英砂吸附AOT和蛋白质主要影响因素研究
The Simultaneous Determination of Iron(Ⅲ) and Aluminium(Ⅲ) in Quartz Sand by First Derivative Spectrophotometry;
一阶导数光谱法同时测定石英砂中铁和铝的研究
In order to probe into laws on formation of natural gas hydrates in porous medium,natural gas hydrates have been formed through mixtures of ice powers and quartzes in experiments.
为了探讨多孔介质中天然气水合物原位形成规律性,进行了将冰粉和石英砂混合并形成天然气水合物的实验研究。
Contrast of Magnetic Susceptibility of Silica Sand and Silica Raw Material and Its Significance
石英砂与石英砂原料磁化率的对比及其意义
This is a cliff composed of quartz sandstone that is well bedded.
由石英砂岩构成的悬崖，岩石层理发育。
Adsorption of Cr(Ⅵ) from Aqueous Solution Using Iron Oxide Coated Sand
涂铁石英砂吸附水中Cr(Ⅵ)的研究
Surface characteristics of quartz sand coated with iron oxides
氧化铁涂层石英砂滤料表面特征研究
Microwave Synthesis of SiC Powders with Coke and Quartzite
微波加热焦碳与石英砂合成SiC粉体
Determination of Fe,Al,Ca,Ti,B,P in quartz sand by ICP-AES
ICP-AES测定石英砂中的铁、铝、钙、钛、硼、磷
Study on Concentration Experiment of Silica Sand from Hainan Province
海南某石英砂矿的选矿提纯试验研究
Suqian is ample in mineral resources. Its reserve of quartz sand, pottery clay, blue spar and yellow sand ranks among the top of the provincial-level cities in China.
宿迁矿产资源丰富,石英砂、陶土、蓝晶石、黄砂储量居全国省辖市之首。
Synthesis of β-SiC Micro-powder with Gangue or Silica and Anthracite;
煤矸石/石英砂与无烟煤合成β-SiC微粉研究
Studies on the Experiment of Microbiologically-induced Calcite Precipitation in Silica
微生物在石英砂中诱导方解石沉积的实验研究
Purifying Drinking Water by KDF55/Coconut Shell Activated Carbon/Quartz Sand/Zeolite
KDF55/椰壳活性炭/石英砂/沸石联用净化饮用水
Laboratory Study on New Flotation Technology without Fluorite to Purify Quartz Sand Deposit in Gambia
冈比亚石英砂矿无氟浮选提纯新工艺试验
A preliminary study on surface microstructure of quartz sand from Zhejiang coast zone
浙江海岸带石英砂表面微形貌结构的初步研究
SURFACE MICROSTRUCTURE OF THE QUARTZ GRAINS IN THE SEDIMENT OF THE NORTH BEIBU GULF
北部湾北部沉积物中石英砂表面的微结构
The Study on Adsorption Removal of Antimony and Phosphate Using Iron Oxide Coated Sand;
石英砂负载氧化铁（IOCS）吸附去除锑、磷研究
Study on Correlation between the Performance of Long Fiber Filtering and Quartz Sand Filtering;
长纤维过滤与石英砂过滤的性能对比研究
The Effects of High-Temperature Baking on Technological Properties of Foundry Quartz Sand;
高温焙烧对铸造用石英砂工艺性能的影响
Testing Study on Particle Breakage Mechanism of Quartz Sand under High Pressure Stress;
高压应力下石英砂颗粒破碎机理的试验研究