Physical and chemical properties of iron ore powder and carbon powder with mechanical impact are studied.
研究了机械力作用下铁矿粉与碳粉的物理化学性能的变化规律。
The effect of mechanical impact on physical and chemical properties of carbon powders was studied.
研究了机械力对碳粉物理化学性能的影响规律。
The performances of electrodes with different carbon powderswere compared at the loadings of 1.
研究了扩散层中过渡层所用碳粉的性质和担载量对质子交换膜燃料电池(PEMFC)性能的影响。
Three parameters are included: microwave heating time,carbon addition in sample,variable basicity(CaO/SiO_2).
主要包括3个方面内容:不同微波处理时间、磁铁精矿中配加不同比例的碳粉以及磁铁精矿中配加不同比例的CaO,对样品微波加热及烧结的影响。
The slurry that suited for the RBSC by infiltrating silicon into carbon material was obtained.
通过对碳粉料浆性能与ｐＨ值、分散剂加入量及Ｚｅｔａ电位关系的研究，确定了料浆制备的最佳工艺条件，获得了能满足用全碳质材料渗硅，制备反应烧结碳化硅的料浆，样品烧结密度和抗弯强度分别达２。
In this paper,the effects of different content of carbon in soil samples(the standard material GBW07411 as the samples) for Laser micro-plasma spectroscopy radiant intensity were stduied,using a laser micro-plasma spectral analysis system which consists of a YJG-II laser micro-spectral analyzer,CCD,and a computer.
本文采用YJG-Ⅱ激光微区分析仪、组合式多功能光栅光谱仪、CCD数据采集处理系统、构成的激光微等离子体光谱分析系统,以国家土壤成份分析标准物质(GBW 07411)为样品,实验研究了碳粉作为缓冲剂对激光微等离子体光谱强度的影响;结果表明:碳粉作为缓冲剂增强了激光束和土壤样品表面的热耦合效率以及样品内部的能量传递效率,提高了样品的采样量,当碳粉含量为25%时,分析谱线强度明显增强。
The Experiment of Recarburization in Spraying the Molten Steel with Coke-powder and Taking Oxygen as Carrier in Electric-arc Furnace
炼钢电弧炉氧气载体喷焦碳粉增碳试验
Carbon in oil control ring groove
机油控制环凹槽中有碳粉
The black powdered carbon holds the suitable share in the market.
黑色碳粉在市场上占有相当的份额。
Sugars and starcher are carbohydrates.
糖和淀粉是碳水化合物。
A Comparative Study of Microwave Heating Characteristics on Manganese Carbonate Ore Fines Containing Coal and Manganese Oxide Ore Fines Containing Coal;
含碳碳酸锰矿粉与含碳氧化锰矿粉微波加热特性对比研究
Thermal stability of composite of nanocrystalline WC powder and carbon nanotubes
碳纳米管复合纳米碳化钨粉体的热稳定性
Research of Product Lightweight Magnesium Carbonate by Twice Carbonation with Powder of Light-burned Dolomite;
轻烧白云石粉料碳化法制备轻质碳酸镁
PREPARATION OF CARBON-ENRICHEDβ-SiC NANO-POWDERS BY THE SOL-GEL AND CARBOTHERMAL METHODS
溶胶-凝胶-碳热还原法制备富碳β-SiC纳米粉体
Research on the Preparation of CNTs/WC Powder and Ni Matrix Composite Coating
纳米碳管碳化钨复合粉体及其镍基复合镀层
Methods for determination of carbon and sulphur in alundum powder
GB/T9489.8-1988刚玉粉中碳和硫的测定方法
Fire extinguishing agent--Sodium bicarbonate dry chemical
GB4066-1994碳酸氢钠干粉灭火剂
Technical requirements of manganese carbonate ore powder
GB/T3714-1983碳酸锰矿粉技术条件
methods for chemical analysis of fine silicon carbide powders for fineceramics
细陶瓷用碳化物粉末化学分析法
Considerable quantities of CO2 are adsorbed even by perfectly dry glass power.
完全干燥玻璃粉吸附大量的二氧化碳。
Cobalt-coated tungsten carbide composite powders
GB/T3991-1983钴包碳化钨复合粉
Establishment and contrast of formula for carbonation progress of fly ash concrete
粉煤灰混凝土碳化方程的建立与对比
Study of Carbusintering Process of Fe-Ni Alloy Powder Materials;
Fe-Ni合金粉末材料渗碳烧结的研究
Preparation and Research on Carbon/Oxides Composite Powders;
碳/氧化物复合粉体的制备及性能研究