硝化

Shooting smaller, nitrocellulose-molded, caseless ammunition, the Shuko K-80 boasts higher clip capacity, resulting in less frequent reloading, albeit at the expensive of per round stopping power.

使用口径较小的硝化纤维无壳子弹，K-80拥有更大的弹夹容量，但同时牺牲了部分子弹威力。

In this dissertation, I will represent my studies on the nitration of Chalcone derivatives, reaction of epoxide ketone, and the aromatization of 3,5-disubstitued 2-isoxazolines with nitric oxide.

本文主要研究了：(1)NO与查尔酮及其衍生物的硝化反应，反应以较高的产率得到了a-硝基化合物；(2)NO对环氧酮的开环反应，反应生成了顺式羟基硝酸酯；(3)3，5-二取代的-2-异恶唑啉在NO作用下可以发生芳环化反应，生成了对应的2-异恶唑化合物。

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。

Anaerobic activated sludge was used to cultivate arsenicresistant denitrificator in laboratory.

采集缺氧活性污泥进行室内微生物驯化，培养耐砷反硝化菌。

The development of modern molecular approaches independent of culture enables the accurate and comprehensive study of denitrify .

现代非培养分子技术的发展使得对反硝化微生物进行原位，准确，全面的研究成为可能。

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。

LY could utilize the organic carbon as the source of assimilation when they grew on glucose and ammonium chloride medium companying the formation of oxidized-nitrogen. They also could denitrify nitrate while nitrification.

LY具有异养微生物的性质，在充分利用有机碳进行有氧呼吸的同时还具有较强的硝化及脱氮能力。

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。

We used methanol at different position as carbon resource in the system mixed iron and sand; The Removal of nitrate was studied by the chest packed cotton as a dentification wall.

砂混合反应器对硝酸盐的去除效果及整个反应器运行状况；研究了以棉花介质作为反应墙填充材料的固体碳源的生物反硝化对硝酸盐的去除效果。

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。

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。