They can also reduce the strong smell of ammonia gas.

它们同样还可以减少氨气的刺激性气味.

Trees can also reduce the strong odor of ammonia gas.

树木还可以减少氨气的浓烈的气味.

Absorption method is applied for recovery of ammonia gas.

对于氨气的回收主要采用吸收法.

Ammonia gas released fertilized cropland is a cause of air pollution.

施过化肥的耕地释放出的氨气是空气污染源之一.

Ammonia gas NH 3 is colorless which can turn wet red litmus paper to blue.

氨气是无色的,它可把湿的红色石蕊试纸变成蓝色.

Ammonia gas released by fertilized cropland is a cause of air pollution , the .

施肥后的农田释放的氨气是空气污染的一个因素。

Ammonia gas released by fertilized crop land cropland is a cause of air pollution.

氨气是施肥后的农田释放出来的一种空气污染源.

Scientists have shown that three rows of trees around the poultry houses can reduce the release of dust and ammonia. Trees can also reduce the strong order of ammonia gas.

科学家已证实在家禽饲养场周围只需种植三排树木就可以减少灰尘和氨的释放，并还可以减少氨气的浓烈气味。