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.
采用激光液相法在去离子水体系和乙醇乙二醇有机体系中制备了纳米硅颗粒。
Nano silicon particles have been prepared in the de-ionized water and ethanol-glycol solution by pulsed laser method.
用石墨炉原子吸收光谱法研究钛酸钡中痕量硅的测定,在高纯钛酸钡新领域的研究及生产中都有重要的现实意义。
The determination of trace silicon in high-purity barium titanate by GFAAS method is studied, in which the sample is dissolved in hydrofluoric acid with high pressure seal.
结论利用均匀设计法研究钾钙肥中硅的溶出条件是可行的。
Conclusion: Studying dissolving condition of silicon in potassium-calcium fertilizer by the uniform design method is feasible.
本论文采用液体法、固体法和硅橡胶法三种不同的方法制备有机硅泡沫材料,分析了三种制备方法的反应机理。
There are three ways, which include liquid, solid and rubber, to make silicone foam, analyzing the reaction principles in preparation of silicone foam.
直拉法生长单晶硅是目前最常用最成熟的工业化方法。
Growth of Czochralski silicon crystals is the most common and perfect one in industry.
分别利用浸渍法和共沉淀法在硅衬底上制备高分散态和大部分结晶态的钼酸铋催化剂。
Silica-supported bismuth molybdate catalysts were prepared by impregnation in a highly dispersed state and by coprecipitation in a largely crystallized state.
山西铝土矿呈一水硬铝石型,高铝、高硅、低铁的特点,拜耳法生产氧化铝工艺须在高温,高碱的条件下溶出。
Featured with diaspore, high alumina, high silicon and low iron, the bauxite in Shanxi have to be digested under higher temperature and denser soda in Bayer process.
本论文以河南锆硅渣为原料,研究了分别采用化学沉淀法和直接中和法制备白炭黑的技术和工艺。
In this paper, preparation processes of amorphous silica using Henan Zr-containing silica residue as raw materials with chemical precipitation and direct neutralization methods were researched.
根据试验结果和钢包化学加热法的特点对硅系合金作非铝发热剂进行了评价。
Evaluation on silicon alloy as non aluminothermic was carried out according to the experimental results and the characteristics of chemical heating.
根据有源滤波的特点提出了采用铁硅铝作为铁心材料,利用最小体积法对电感进行了优化设计。
According to the characteristics of active filter, Fe-Si-Al is used and minimum volume method is adopted to optimize the design of inductance.
试验结果表明,串联法采用常压合流脱硅流程可以达到所需要的硅量指数。
The results of test show that atmospheric confluence desilication in the series process can approach the required siliceous modulus.
多晶硅锭的制备工艺主要包括定向凝固法及浇铸法。
The production process for making poly silicon mainly includes directional solidification and casting methods.
对电感耦合等离子体原子发射光谱法(ICP AES)测定金属硅中铁杂质含量的不确定度进行了合成和评估。
The combination and estimation of the uncertainty in the determination of Fe in metallic silicon using Inductively Coupled Plasmas Atomic Emissive Spectrometry(ICP-AES) is described.
采用热丝化学气相沉积法(HFCVD)在普通玻璃衬底上低温沉积多晶硅薄膜。
Polycrystalline silicon thin films were prepared by hot-filament chemical vapor deposition (HFCVD) on glass at low-temperatures.
采用Z桨捏合机,将端乙烯基硅橡胶、气相法白炭黑及羟基硅氧烷进行混炼,制备了高强度硅橡胶混炼胶。
High strength silicone rubber compounds were prepared using vinyl-terminated silicone rubber, fumed silica and hydroxy siloxane by intensive mixing method in Z blade mixer.
共聚法是制备有机硅改性聚氨酯的最佳方法。
The way to prepare the silicone-polyurethane by the copolymerization method was reviewed.
串联法的工艺特点,更宜于采用合流脱硅。
The characters of series process are suitable for the confluence desilication.
主要研究了采用ICP-AES法测量混合稀土金属中的硅含量。
The ICP-AES method to determine the silicon content of mixed rare earth is studied in the paper.
为了降低光在多晶硅表面的反射,采用化学腐蚀法在其表面制备了绒面。
The chemical etching method wa applied to form surface texture of multicrystalline silicon in order to reduce the reflectance of the surface.
研究了旋转液体纺绩法各工艺参数对铝硅合金线材成型过程和线材质量的影响,确定了较佳工艺参数范围。
Effects of various processing parameters on quality of metallic wires fabricated by in-rotating liquid spinning method (INROLISP) were theoretically and experimentally studied.
目的:探讨利用溶胶凝胶法进行纳米硅涂层表面改性对玻璃渗透氧化铝陶瓷粘结强度的影响。
Objective: Aim of this study was to evaluate the effect of silica coating with sol-gel process on bonding strength between glass infiltrated alumina ceramic and resin luting cement.
简要介绍了采用热装硅铬的电硅热法生产中低碳铬铁的过程和所获得的经济效益。
It briefly introduces the process of producing medium and low carbon ferrochromium with hot charging ferrochromium in electro-silicothermic method as well as the economic benefit obtained.
介绍了硅钙合金生产新工艺。实践表明,采用碳硅热法冶炼硅钙合金可降低电耗,延长冶炼周期,有显著的经济效益。
It introduces a new technology of producing Ca-Si alloy. The experiment showed that this process can gain better results, long smelts campaign, low power consumption and high productivity.
介绍了两种制备多孔硅的方法:电火花刻蚀法和激光辐射腐蚀法。
Two new methods for porous silicon preparation i. e. spark erosion and laser irradiation erosion are reviewed in this paper.
从简化步骤、降低成本的角度出发,采用快速热化学气相沉积(RTCVD)法在低纯颗粒带硅(SSP)衬底上制备出了多晶硅薄膜太阳电池。
Polycrystalline silicon thin film solar cell by RTCVD on SSP substrate is prepared so as to simplify the process and lower the cost.
从简化步骤、降低成本的角度出发,采用快速热化学气相沉积(RTCVD)法在低纯颗粒带硅(SSP)衬底上制备出了多晶硅薄膜太阳电池。
Polycrystalline silicon thin film solar cell by RTCVD on SSP substrate is prepared so as to simplify the process and lower the cost.
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