实验结果表明，矿石结构、孔隙度和颗粒的大小对还原率有明显的影响。
Experimental results showed that the structure, porosity and particle size of ludwigite ores have a significant effect on the reduction rate.
根据X射线衍射图研究了直接还原碳化温度及时间对反应产物的影响，用扫描电镜观察了粉末颗粒形貌和粒度分布。
The influence of carbonizing temperature and time was investigated by XRD in this study. The morphology and particle distribution of the powder were observed by SEM.
顺序还原时，乳剂层的密度增长速率只是给出了颗粒间显影诱导期分布的信息。
If sequential pattern of grain reduction occurs, the density growth only gives information about the distribution of development induction period among grains.
生物质气化粗燃气流态化重整，避免了燃气中颗粒物对重整器的堵塞，促进了催化剂的还原，并抑制了催化剂的表面积碳。
The fluidization of catalyst in the reformer had a role of avoiding the blockage of reformer, promoting the catalyst reduction and suppressing the carbon deposition on the surface of catalyst.
本文主要介绍了中颗粒钨粉一步还原法的生产工艺及设备。
This paper has mainly described the one-step technical process and equipment for producing tungsten powder having medium particle size.
根据不同的还原试剂和试剂浓度，产生的颗粒大小在大约1nm和100nm之间变化，尺寸越大，信号效果越高。
According to different reducing agents and their concentrations, the particle size produced varies between approximately 1 and 100 nm-the larger the size, the higher the signaling efficiency.
NBT还原实验发现部分早幼粒白血病细胞胞奖内出现紫蓝色颗粒，并见到核碎解成染色质小体（凋亡小体）。
Part of the acute promyelocytic leukemia cells appeared indigo granules and apoptosis body in plasma through NBT test.
观察了葡萄糖氧化酶（GOD）对降低马铃薯颗粒全粉中葡萄糖及还原糖的作用。
The function of decreeing reduced sugar and glucose were studied with glucose oxidase(GOD) in potato granules powder.
利用柠檬酸钠还原硝酸银的原理，提出了一种微波加热制备银胶体粒子的新方法，得到了颗粒大小较均匀的灰色银胶体。
A novel gray silver colloid was prepared by silver nitrate solution reduced with sodium citrate consisting of spherical silver particles which in narrow size distribution.
本发明进一步包括包含至少一种稳定剂、一种或多种金属化合物、至少一种还原剂和溶剂的用于制备纳米颗粒的组合物。
The present invention further comprises compositions for preparing nanoparticles comprising at least one stabilizing agent, one or more metal compounds, at least one reducing agent and a solvent.
电池和模拟电极研究均表明，大颗粒硫酸铅晶体比小颗粒晶体更难还原。
The measurements of both battery and simulated electrode indicate that the large crystals are more difficult to be reduced than the small ones.
本文研究内配煤铁矿团块在高温下快速自还原直接得到金属铁颗粒的方法。
The way of extract iron from iron briquette by coal under high temperature has studied.
枸橼酸钠还原法制备纳米金颗粒。
Gold nanoparticles were prepared through sodium citrate reduction.
仲钼酸铵直接还原成二氧化钼时加钾，可克服产生颗粒聚集、颜色发黑等还原不良现象。
It can avoid the particles gathering and colour blackening if the potassium is added in direct reduction for MoO 2 from secondary ammonium molybdate.
通过液相还原法制备出金-银复合纳米颗粒。
Ag-coated Au composite nanoparticles are prepared via solution-phase reduction method and clearly observed by TEM.
常温磁力搅拌下，在十二烷基三甲基溴化铵(DTAB)体系中用水合肼还原硝酸银制备了颗粒细小均匀的纳米银粉。
Silver nanoparticles with uniform diameters were obtained in dodecyl trimethyl ammonium bromide (DTAB) solution at room temperature under magnetic stirring through hydrazine reducing AgNO3.
以高炉瓦斯泥为原料，经气相还原气氛煅烧及液相提纯步骤制取铁盐溶液，再采用液相还原法，在有分散剂及包覆剂存在的条件下制备出纳米铁颗粒。
The height change of foam caused by reduction gas during foaming process was measured under different conditions of treating blast furnace dust in iron bath.
采用颗粒复合化系统对HDH钛粉和还原铁粉进行球化处理，可使钛粉和铁粉由原来的不规则形状变为近球形，改善流动性。
The irregular shape particles such as HDH titanium and deoxidization iron were modified by using particles composite system and these spherical particles had good flowability.
采用颗粒复合化系统对HDH钛粉和还原铁粉进行球化处理，可使钛粉和铁粉由原来的不规则形状变为近球形，改善流动性。
The irregular shape particles such as HDH titanium and deoxidization iron were modified by using particles composite system and these spherical particles had good flowability.
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