Biological powdered activated carbon enhanced the growth of nitrifier by absorbed toxic or inhibitory substance.

生物活性炭吸附了硝化产生毒性和抑制的物质、强化了硝化在炭表面的生长。

The dissolved oxygen had greater effects on heterotrophic bacteria,ammonifying bacteria and nitrifying bacteria.

溶解养细、氨化细、硝化细有较大影响。

Nitroglycerin is obtained by nitrating glycerol.

硝化甘油是经过硝化丙三醇得来的。

Mathematical model about injection nitrator producing nitroglycerine is founded and several assumptions are put forth in this paper.

喷射硝化器生产硝化甘油进行了模拟计算。

Correlation of nitrotyrosine and glutathione peroxidase with age, sex, body mass index, blood pressure, glycometabolism and lipometabolism was analyzed.

分析硝化酪氨及谷胱甘肽过化物酶与年龄、性别、体质量指数、血压、糖代谢、脂代谢等指标的相关性。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

以邻苯二甲酐为原料,经硝化、脱水、肼化、还原等步骤合成了3-氨基邻苯二甲酰肼。

A reference material for calibrating and verifying the calorimeter of propellant explosion heat is composed of nitrocellulose(NC),nitroglycerine(NG),centralite and vaseline.

采用硝化棉、硝化甘油、中定剂和凡士林为火药爆热热量计检定用标准物质的组成成分,通过生产工艺优化制备出该标准物质。

Short rod bacteria and spirillum were dominant in the denitrifying reactor.While cocci were the dominant bacteria in the nitrifying reactor.

脱硝槽中是以短杆和弯曲杆为优势，硝化槽中则是以球为主要的优势。

If the wastewater concentration was too high, it would stimulate fungus, aminate bacteria, denitrifying bacteria and some anaerobic bacteria to propagate.

污水浓度过大，会刺激土壤中真、氨化细、反硝化细及一些厌气性的繁殖。

The nitrocellulose produced by this method is EXPLOSIVE and can deflagrate or even detonate violently on shock, friction, or spark when dry.

硝化纤维素被生产以这个方法是易爆的, 可能猛烈地迅速燃烧甚至起爆在震动、摩擦, 或火花当干燥。

The development and application of organosilicone modifying acrylic resin,polyurthane,nitrocotton and casein etc. in leather chemical materials at home and abroad are introduced.

介绍了国内外有机硅改性丙烯树脂、有机硅改性聚氨酯、有机硅改性硝化棉、有机硅改性酪素等在皮化材料中的发展及应用情况。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝化条件下均可制得3硝基1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝基苯衍生物。

This paper presents the studies on the reaction form of urea or nitrourea which condenses with nitrolysis fragments of urotropine to form Keto-RDX in nitrating agents.

通过改变加料方式来研究脲或硝基脲在硝化剂中与乌洛托品硝解碎片进行缩合反应的形式。

The most common method of biological nitrogen removal is by combining the nitrification of the autotrophic nitrobacter and nitrosomonas with the denitrification of heterotrophic denitrifying bacteria.

生物除氮最常利用的是将自营性硝、亚硝之硝化作用与营性脱硝之脱硝作用结合。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化细液，需要一星期活化亚硝。

The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.

通过改变反应条件,研究了硝硫混硝化剂甲苯一段硝化产物的邻构体比例、二硝化程度及2,6-二硝基甲苯与2,4-二硝基甲苯生成比例的影响。

To increase the precision of the electric igniting parameters of common fusehead, a kind of wrapper such as NC or CMC,can be used to wrap the bridge wire in common fuse head .

为了提高普通点火头发火参数的精度,可以在桥丝上涂覆一层硝化棉或羧甲基纤维素的涂层。