查询词典 xanthation

By studying effects of the amount of NaOH, CS2 and dissolving water and xanthation conditions on the viscose quality, the optimal technology of viscose-making was obtained. By studying the effects of H2SO4 concentration in coagulating bath, NaOH concentration in desulfurating bath and plastifier content on the physical strength of mulch sheet, the optimal sheet forming technology was found out.

通过研究制备粘胶时NaOH用量、CS2用量、溶解用水量以及黄酸化条件对粘胶品质的影响，确定制备粘胶的最佳工艺；通过研究成膜过程中凝固浴H2SO4浓度、脱硫浴NaOH浓度、增塑剂用量等对薄膜物理强度的影响，确定了成膜的最佳工艺。

Using degreased cotton as raw material, bead cellulose was prepared via basification－aging(for 60 h)－ xanthation(using CS2 for 3 h) and thermal?

以脱脂棉为原料，经过碱化－老化－磺化制得粘胶液，再用热溶胶转相法制得球形纤维素珠体。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。