查询词典 crystallitic

The nanocrystalline TiO_2 films were integral and crack-free with small pores, whose crystallitic sizes were nanometer and even.

结果表明，所制备的TiO2薄膜表面完整，无明显的裂纹，颗粒分布均匀，粒径和膜厚度保持在纳米级。

In the course of anode oxidation, amorphous carbon atoms were etched under the suitable conditions at first, then, crystallitic carbon atoms would be etched as the surface treatment conditions becoming more rigorous.

结果表明，如果采取适当的阳极氧化条件，可以同时增加ACF的表面含氧官能团数目和比表面积，从而使ACF吸附性能有较大的提高。

Magnesium ; crystallitic carbon ; hydrogen storage ; reaction milling

镁； 微晶碳；储氢；反应球磨

In this paper, the crystallitic structures of Chinese cashmere and fine wool fibers are comparatively investigated by using Wide Angle Xray Diffraction and Differential Scanning Calorimeter methods.

研究结果表明，山羊绒纤维结晶度、α-结晶度高于羊毛纤维，大分子排列规整性好；羊毛纤维的结晶度、α-结晶度分别为山羊绒纤维的81.2％及75.8％。

Compared to the hydrogen storage material 70Mg30C and MgH2, the crystallitic carbon and the catalysts of Ni and Al cut down the dehydrogenation time, increased the dehydrogenation capacity of hydrogen storage material, and reduced its apparent activation energy. And the dehydrogenation kinetics performance was improved.

与储氢材料70Mg30C及纯MgH2相比，微晶碳和催化剂Ni、Al缩短了储氢材料的放氢时间，加快了放氢速度，提高了放氢量，降低了表观活化能，放氢动力学性能得到了改善。

Cashmere ; wool ; crystallitic structures ; wide angle X-ray diffraction ; differential scanning calorimeter

山羊绒；羊毛；结晶结构； X-射线衍射仪；差示扫描量热仪

The carbon foam were prepared by self-bubbling at high pressure from AR pitch added sodium dodecyl benzene sulfonate and Span-40, respectively. The bulk density, pore rate, compressive strength, thermal conductivity at room temperature and crystallitic parameters of carbon foam were measured. The rheological properties of AR pitch and pore structure of carbon foam were investigated.

以十二烷基苯磺酸钠和Span-40表面活性剂为添加剂，AR沥青为原料，制备炭素泡沫材料，测定了材料的体积密度、显气孔率、压缩强度、常温热导率以及微晶结构参数，研究了添加表面活性剂后AR沥青的流变性能和炭素泡沫材料孔胞结构的变化。

Aspergillus WQ is selected to explore the factors which affect producing enzymes. The best carbon source is crystallitic cellulose+straw powder, the best nitrogen source is peptone+yeast abstract cream, the best growing temperature is 35℃and the best initial pH is 5.5. WQ can produce the largest quantity of enzymes after being cultivated eight days.

从50℃左右牛粪自然堆肥中筛选了一株产酶量较高的曲霉WQ，对影响其产纤维素酶的因素和酶的热稳定性进行了初步研究，结果表明：液体发酵时，该菌最佳碳源是微晶纤维素+稻草粉组成的复合碳源，最佳氮源是蛋白胨+酵母膏的复合氮源，最适生长温度为35℃，最适起始pH值为5.5，在生长第8天产酶量最高。

The crystallitic carbon was prepared from anthracite by demineralization and carbonization,then the magnesium/carbon nanocomposites for hydrogen storage were manufactured through reaction milling of the mixture of magnesium,crystallitic carbon and aluminium under hydrogen atmosphere.

将无烟煤进行脱灰和碳化，制备微晶碳，再将微晶碳和铝添加到镁中，用氢气反应球磨法制取镁/碳纳米复合储氢材料。用透射电子显微镜、选区电子衍射、X射线衍射和差示扫描量热分析对储氢材料的粒度、晶体结构和放氢温度进行了测定。

Polyacrylonitrile fibers ; Pre-oxidization ; Crystallitic structure

聚丙烯腈纤维；预氧化；微晶结构

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。