Its crystal types and crystal properities are detailed in this paper.
综述了纽甜的结晶晶型及相应晶体的特性,重点叙述了纽甜不同结晶晶型对纽甜的稳定性和溶解性的影响及它们的制备方法。
Different grain size and different crystal structure of TiO_2 used as the precursors were investigated,which show that in the same condition,such as the same reactive temperature,reactive time,PH value,Ba/Ti ratio and so on,the grain size and tetragonal structure of barium titanate are different.
通过对不同晶粒尺寸、不同晶型结构的TiO_2作为水热合成超细BaTiO_3的反应前驱物进行实验研究,发现了在其它反应条件,如反应温度、时间、PH值、Ba/Ti摩尔比等,完全相同的情况下,BaTiO_3产物的晶粒尺寸和四方度有明显差别。
The chemical composition of the t itania particles was analyzed, and the effect of processing parameters on the particle crystal structure was studied.
在高温气相反应器中,利用TiCl4氧化反应制备纳米TiO2颗粒,分析了TiO2颗粒化学组成,研究了操作参数对TiO2晶型结构的影响。
In order to study the difference among hemp xyloid stem,cotton pulp,bamboo pulp and wood pulp viscose filament yarn,the test of morphosis,FTIR spectroscopy,crystal structure,thermotics and mechanical properties were carried out.
结果表明:大麻杆芯黏胶长丝和棉浆、竹浆、木浆黏胶长丝的截面都为不规则锯齿形,均属于纤维素Ⅱ晶型结构;大麻杆芯黏胶长丝的结晶度与木浆黏胶长丝接近,高于竹浆黏胶长丝,4种黏胶长丝的取向度接近;大麻杆芯黏胶长丝的热稳定性好于木浆黏胶长丝;大麻杆芯黏胶长丝力学性能与棉浆黏胶长丝相似,大麻杆芯黏胶长丝织物的硬挺性好。
Effects of intermediate pre-annealing process on crystallinity and ferroelectricity were investigated.
在薄膜的快速退火过程中,增加了一个中间温度预退火过程,并研究了该过程对薄膜晶型结构和铁电性能的影响。