查询词典 chromic

With CO2 as acidifying agent, potassium chromate was directly reduced to chromic oxide hydrate under hydrothermal conditions using formaldehyde as reducing agent.

以CO2气体为酸化剂，小分子有机化合物甲醛为还原剂，通过表面活性剂处理，在水热条件下直接还原铬酸钾水溶液得到水合Cr2O3，继而800℃下煅烧得到球形Cr2O3超细粉体。

Clean the receiving tube and the condenser with chromic acid cleansing mixture, thoroughly rinse with water, and dry in an oven.

用铬酸清洁接收管和冷凝器，彻底用水冲洗，并在烘箱中干燥。

Before the test ,clean each filter by soaking in chromic acid mixture.

试验前，通过在铬酸混合液中浸泡方法清洗过滤器

Chromic acid oxidation and sizing agent surface treatments were used to modify ultra high molecular weight polyethylene fibers together.

对超高分子量聚乙烯纤维进行了铬酸液相氧化和上胶剂表面涂覆的复合表面处理，并对UHMWPE纤维表面处理前后与几种不同结构的环氧树脂基体制备的复合材料进行界面性能研究。

For optical measurements, special care is required for cleaning containers, but the use of both chromic acid and highly alkaline solutions should be avoided.

我们需特别注意用于光学检测的玻璃容器的清洗，这里应避免使用铬酸和强碱性溶液。

The porous structure of alumina film formed on aluminium at high voltage anodizing in chromic acid is investigated by SEM and TEM.

采用扫描电镜和透射电镜观察了铝在铬酸溶液中，高电压阳极氧化所形成多孔膜的孔结构。

Usual chromic and nitric acid bright dips for cadmium are not chromate treatments.

通常铬和硝酸明亮镉逢低不铬酸盐处理。

Specifically, special care is required for cleaning containers for optical measurement applications; the use of highly alkaline and the no longer recommended chromic acid solutions should be avoided.

此外，我们需要特别注意用于光学检测玻璃容器的清洗，应避免使用强碱性洗涤剂和已不再推荐使用的铬酸溶液。

In recent years, for cards and membership cards making up the wettibility in torpedo, not only removes harmful to the health of chromic acid, but more importantly the wettability and cleaning effects.

近年来，为制卡和会员卡制作附带出产的湿润粉剂，不但去除了差人体无益的铬酸，更轻给的是其湿润本能机能和冲洗功用出格好。

A second traditional method for removing organic matter that does not require heat is the use of a chromic acid–sulfuric acid mixture.

热硝酸是过去经常使用的一种非常有效的清洗玻璃器皿的方法，另一种传统的用于洗涤有机物而又不需加热的方法是使用铬酸-硫酸混合液，但考虑到其自身的危险性及毒性，我们不推荐使用铬酸。

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。