气凝胶

This may be because of a tear in the aerogel or because the aerogel is too strongly tilted.

这可能是气凝胶中的破缝或者气凝胶倾斜得太厉害造成的。

The aerogel is not absolutely flat, and particularly near the edge of a tile it may be strongly sloped.

气凝胶不是完全的平坦，特别是在气凝胶瓦块儿的边缘会有较强的倾斜。

By controlling the catalyst molar ratio in the range of 200-500, up to 70% of the resorcinol can be replaced with the cheap cresol.

这一合成路线简化了炭气凝胶的制备工艺，显著降低了炭气凝胶的制备成本。

In this paper aerogels were obtained through sol-gel process of resorcinol, m-cresol and cresol mixture and substantially supercritical fluid drying.

本文以间苯二酚、间甲酚、混合甲酚为原料，与甲醛在碱性条件下经溶胶—凝胶过程、超临界干燥得到气凝胶。

The results show that the hydrofluoric acid is a effective catalyst for the gel formation.

以正硅酸乙酯为硅源，分别以HF和HF/氨水为催化剂，通过溶胶-凝胶法常压制备SiO2气凝胶。

SiO2 aerogels were produced from TEOS as silicon resources by sol-gel method and surface modification at ambient pressure.

以正硅酸乙酯为硅源，采用溶胶－凝胶法和表面修饰工艺，在常压条件下制备了SiO2气凝胶。

In the presence of a catalyst, ethyl silicate was mixed with ethanol-water solution to form silica sol, which was impregnated into Alnus nepalensis and Tilia amurensis wood as soon as possible.

文章摘要：在催化剂存在下，使正硅酸乙酯与乙醇-水溶液混合制备硅醇溶胶，迅速将其分别注入到西南桤木和紫椴木材中，令其在室温下反应100min左右得到木材-凝胶，然后采用超临界干燥技术制备木材-SiO2气凝胶。

Hydroquinone-formaldehyde organic aerogels with high HC ratio (10~40, molar ratio of hydroquinone to catalyst) have been prepared using sol-gel process. And carbon aerogels have been prepared by pyrolyzing the aerogels.

溶胶－凝胶法制备了高HC比（10~40，对苯二酚与催化剂(Na2CO3)的物质的量之比）的对苯二酚－甲醛有机气凝胶，并经高温碳化处理得到其碳气凝胶。

Aerogels are already used in spacesuits, now we can expect outdoor clothing with an unparalleled level of insulation.

气凝胶已经用于航空服，现在我们也可以期待气凝胶用于室外服装，其保暖效果将无与伦比。

SiO2 aerogel was prepared by using waterglass as the Si source, formamide as the catalyst and glycol as the drying chemical controlling additive via sol-gel method and ambient pressure drying.

以水玻璃为硅源，甲酰胺为催化剂，乙二醇为干燥控制化学添加剂，采用溶胶－凝胶法常压下干燥制备了硅石气凝胶粉体。

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。