The mesoporous glass of Na_2O-B_2O_3-SiO_2 system is prepared by three steps of melting,phase separation with SiO_2, Na_2CO_3 and B_2O_3 as raw materials in the dissertation.
本文研究了以石英砂-三氧化二硼-纯碱为原料,采用熔融-熔离-溶解三步法制备硅质介孔玻璃的工艺技术路线,采用氮吸附法系统评价了介孔玻璃的孔结构,取得如下成果。
obtaining the B Fe bulk concentrate with the minimum ratio of MgO to B 2O 3 to provide acid extraction of boron or separation by smelting.
通过对高铁低硼矿石半工业试验结果的剖析，得出其开发利用途径是通过适宜的选矿深度，选取镁硼比降至最低的铁硼混合精矿供化工酸法或高炉熔炼分离。
The magma originated from the upper mantle and belongs to the tholeiitic series which has undergone immiscible separation of metal sulfide.
岩浆起源于上地幔,属于拉斑玄武岩系列,发生过金属硫化物的熔离作用。
Controling the batching water can decrease the content of sodium ion and raise the melting point and the white content of product.
控制反应定量水,可达到降低产品中钠离子的含量,提高产品熔点和产品的白度作用。
electrolytic dissociation
【物】电离(作用)
Application of Plasma Cladding Technology in Scraper Conveyor
等离子熔覆技术在刮板输送机上的应用
an alloy with a low melting point and used as solder and in safety plugs and sprinkler fuses.
一种低熔点的合金，用作焊料，亦用于安全拴和喷水熔丝。
What do fluxes do in blast furnace smelting?
熔剂在高炉中起什么作用?
Research on Effects of Electric Pulse on Pb-Sn Alloy Molten;
电脉冲对Pb-Sn合金熔体作用研究
Research on RE Micro-alloy Effect in Self-fusion Alloy;
RE在自熔合金中微合金化作用的研究
The Understanding of the Role of "Front" and "Crucible" of the Party School in Colleges and Universities;
对高校党校“阵地”“熔炉”作用的认识
Computational model of action concentration of Fe-La-O metal melt
Fe-La-O金属熔体作用浓度计算模型
fluxing with alkali
用碱熔解, 用碱助熔
Melting process of polymer under pure vibration force field (Ⅰ) Theoretical model and melting mechanism
纯振动场作用下聚合物熔融塑化过程(Ⅰ)理论模型及熔融机理
Fluxes are used to combine with the impurities in the ore and coke to form a low melting point slag, which floats at the surface and is separated from the hot metal.
熔剂用来与矿石和焦炭中的杂质化合，生成一种低熔点的渣浮在铁水表面，从而与铁水分离。
Approach to Manufacturing Technology for Silicone Rubber Moulds for Low Melting Point Alloy Jewelry
低熔点合金饰品离心铸造中硅橡胶型的制作工艺
ionic adsorption
离子[性]吸附[作用]
Fuse is with melting point inferior material is made, electric current became big can calorific fusing, have insurance effect.
保险丝是用熔点较低的材料制作，电流大了会发热熔断，起到保险作用。
The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma.
磁流体动力学对磁场和导电的液体或气体，诸如熔化的金属或者等离子区之间的相互作用的研究
The action of breaking up the oxide to get the metal itself is called smelting .
分解氧化物以获取其金属的作用称之为熔化。