硝化的

A field study with greenhouse celery Apium graveolens L.

通过田间试验研究了含硝化抑制剂DMPP复合肥对日光温室芹菜生长和品质的影响。

However, when the concentration of nitrate was 21 mg/L, nitrite with the concentration of 106 mg/L has an approximative potential.

因而，利用亚硝态氮，尤其是硝态氮低浓度条件下，强化反硝化条件下河流沉积层中苯降解是可行的。

This paper proposes a method for the determination of 4-hydroxy-3-nitro-benzenearsonic acid and arsanilic acid in the nitration reaction product of arsanilic acid by ion-pair chromatography.

本文提出一种用于测定对氨基苯胂酸硝化反应产物中4-羟基-3-硝基苯胂酸及对氨基苯胂酸含量的离子对色谱法，选择甲醇：水=25：75作为流动相，0。

The bacillar flocculation is its typical characteristic.

杆状絮体是其亚硝化效果良好的特征污泥相。

Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent.

利用全氟壬烯-甲苯两相体系研究甲苯的硝化反应。

Was obtained from vanillin by nitration and demethylation.

中间体3 的制备由香兰素经常温硝化、脱甲基制得。

The anoxic cells will denitrify the nitrate and nitrite, they provide good sludge for anaerobic cells.

缺氧池在系统中起反硝化脱氮和为厌氧池提供良好污泥的作用。

The mix-culturing fungi-bacteria showed obvious ability to denitrify on slight-anaerobic condition.

将此3种真菌分别和HS-03菌组合，发现组合菌在微厌氧条件下，均有着较强的反硝化能力。

Hydroxy-5, 10-dihydrophenophosphazine 10-oxide (1) reacted with SOCl2, and then with MeONa in MeOH to give a methyl phosphinate (2) which can be converted to a dinitro compound 3 (62%) by nitration and the resulting dinitro compound 3 can further be converted to 2, 8-diamino-10-methoxy-5, 10-dihydrophenophosphazine 10-oxide (4, 71%) by hydrogenation over Pd/C (w = 0.05). And the effect of amount of Pd/C (w = 0.05) on the reduction was also studied.

10－羟基－5，10－二氢磷杂吖嗪－10－氧化物（1）经醯氯化、甲基化得到10－甲氧基－5， 10－二氢磷杂吖嗪－10－氧化物（2），2经硝化得到10－甲氧基－2，8－二硝基－5，10－二氢磷杂吖嗪－10－氧化物（3，62%）。3在Pd／C（w = 0.05）存在下，用氢气还原为2，8二氨基－10－甲氧基－5，10－二氢磷杂吖嗪－10－氧化物（4，71%），考察了Pd／C（w = 0.05）用量对氢化还原反应的影响。

Dissimilatory nitrate reduction in fungi includes denitrification and ammonia fermentation, which occurs under the conditions of limited aeration.

真菌异化硝酸盐还原途径的发现打破了反硝化仅存在于原核细胞这一传统观念。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。