查询词典 deplete

The wide use of Freons in 1980s results in the serious destruction of the ozone layer and global warming which greatly threat to human existence. To protect the ozone layer, The Montreal Protocol on Substances that Deplete the Ozone Layer came into effect in 1987 and in 1989 China joined the protocol later on.

20世纪80年代，由于&氟里昂&的大量使用导致了全球臭氧层破坏严重、气候变暖，这对人类生存造成了极大的威胁。1987年，旨在保护臭氧层的《关于消耗臭氧层物质的蒙特利尔议定书》生效，我国也在1989年加入。

According to The Montreal Protocol on Substances that Deplete the Ozone Layer, Halons that are used widely for fire control are controlled gradually. It is very urgent to find safe extinguishing reagents replacing Halons.

由于《关于破坏臭氧物质的蒙特利尔协定书》，一直作为消防灭火的主力军的哈龙灭火剂逐步被禁用，寻找一种新安全可靠的灭火剂成为世界各国的迫切要求。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。