nitrate rayon是什么意思

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用法例句

Inhibition of phenol and its derivatives on ammonia nitrification;

苯酚及其衍生物对氨氮生物硝化的抑制研究

Effect of salinity on nitrification process in activated sludge system;

盐度对活性污泥硝化功能的影响

Effect of loading on organic matter removal and nitrification in membrane aeration bioreactor;

负荷对膜曝气生物反应器去除有机物和硝化的影响

Theoretical study on initiated reaction mechanism of nitration of 4-acetyl-1,3-difluorinbenzene;

4-乙酰基-1,3-二氟苯硝化反应机理研究

Synthesis of aromatics nitration catalyzed by solid super acid ZrO_2/SO_4~(2-);

固体超强酸ZrO_2/SO_4~(2-)催化芳烃硝化性能研究

Catalytic para-selective nitration of toluene with NO_2 over zeolite beta;

β沸石对NO_2选择性硝化甲苯的催化性能

4% was described: the disulfuric imidazole salt obtained from the neutralization of imidazole with concentrated sulfuric acid,was nitrated by mixture of sulfuric acid(20%) and nitric acid(98%) under condition of N_2,and then reacted with nitric acid(98%) at 90-95 ℃ for 5-5.

以咪唑为原料,混酸为硝化剂,通氮气条件下,采用正加法、二次加料的方式:先滴加混酸(发烟硫酸20%和硝酸98%),硝化硫酸咪唑盐;再在反应液中滴加硝酸98%反应,合成出4,5-二硝基咪唑。

The effect of the molar ratio of guaiacol/methyl-nitrate,the reaction temperature, the reaction time, the choices of nitrating agent and solvent in the synthesis of 5 -nitro-guaiacol has been studied.

本文研究了愈创木酚／硝酸甲酯的摩尔比、反应温度、反应时间，硝化剂和溶剂的选择对5——硝基愈创木酚合成的影响。

The two-stage SBR process of anaerobic hydrolysis/nitrification and denitrification was used to treat wastewater from gelatin production.

采用厌氧水解—硝化反硝化二级SBR工艺处理明胶生产废水。

Research suggests that biological nitrification and denitrification of wastewater is one of the important sources of N_2O.

N2O是大气中重要的温室气体之一,大量研究表明,污水生物处理的硝化反硝化过程是N2O的重要强源之一。

A review of aerobic and anaerobic biological treatment of wastewater with high salinity in China and abroad is reported, including organism removal, nitrification and denitrification and sludge physical properties.

概述了国内外高盐度条件下废水好氧、厌氧生物处理的研究进展,包括有机物去除、硝化反硝化和污泥物理性能,并分析了高盐度有机废水生物处理的可行性,提出了高效处理高盐度废水的措施,传统的生物处理系统通过适当的驯化后能够处理较高盐度的废水,对于更高盐度(≥5%)废水可采取接种嗜盐微生物,添加拮抗剂等措施来处理。