碳酸铵

"When urea is added to soils it is converted rapidly to ammonium carbonate by hydrolysis, a reaction which is activated by enzyme urease."

尿素施人土壤后很快水解成碳酸铵。这是由尿素酶催化的一种化学反应。

A pungent preparation of ammonium carbonate and perfume; sniffed as a stimulant to relieve faintness.

一种刺激的制剂，由碳酸铵和香水制成，作为刺激物用鼻息以减轻晕厥。

The effect of pore structure in the anode catalyst layer on the performance of direct methanol fuel cell was investigated using ammonium carbonate as a pore former .

采用碳酸铵作为造孔剂，研究了阳极催化层孔结构对直接甲醇燃料电池性能的影响。

However, it is difficult to strip Fe from the loaded extractant, this will cause trouble to the U stripping with 50 g/L ammonium carbonate or sodium carbonate.

另外，由于负载的铁不能完全反萃，会给后续的碳酸铵反萃U带来麻烦。

Based on analysis on the dosage of sodium cyanide and research on its leaching mechanism in gold concentrate leaching,a new technique that the mixture of ammonium carbonate and ammonium hydroxide can reduce the dosage of sodium cyanide is put forward.

通过对氰化浸出过程氰化钠消耗情况分析，在进一步研究金精矿氰化浸出机理的基础上，提出了采用碳酸铵、氢氧化铵混合试剂降低氰化钠用量的新工艺。

This primary conversion of urea to unstable ammonium carbonate occurs very quickly near the soil surface The following equation illustrates the process

尿素主要在土表转化成不稳定的碳酸铵，转化速率很快，可用以下反应式表示

The group of low migration nucleases were prepared by ammonium carbonate processing +acid denaturation + thermal denaturation + acetone extraction.

在提取过程中产生两组核酸酶，在SDS-PAGE-DNA功能胶中迁移率较慢的一组采用碳酸铵处理+酸变性+热变性+丙酮沉淀的提取方法来获得较好的层析样品。

The influence of mixture ratio,temperature of saturated solution,and calcination temperature on preparation process were studied.

重点讨论了原料配比、碳酸铵饱和溶液温度、焙烧温度等因素对制备工艺的影响。

Camphorate, in which the corn powder was best, while the yam powder and lactic acid were comparatively poorer. The utilization of nitrogen sources by A. camphorate was diverse. The organic nitrogen sources were better than inorganic ones. The best result was achieved when (NH4)2SO4 and wheat bran was co-added, but (NH4)2CO3 could be hardly used when added solely.

樟芝对碳源利用较广，其中以玉米粉效果最好，而对山芋粉和乳糖的利用较差；樟芝对氮源的利用具有差异性，其中对有机氮源的利用较无机氮源好，以硫酸铵＋麸皮复合培养效果最佳，而对碳酸铵几乎不利用。

Considering the two factors of filtration time and water containing of the sediment, calcium hypophosphite and salvolatile are chosen as the raw materials. The best technics conditions have probed and the craft parameters are provided.

考虑生成的沉淀的过滤时间和夹水量两个因素，选择以次磷酸钙和碳酸铵为原料进行制备，探索了制备过程中的最佳工艺条件，给出了工艺参数。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。