硝化的

The optimum reaction conditions were: at present of acetic anhydride, a stoichiometric quantity of nitric acid, at room temperature for 40 minutes. Nitration of chlorobenzene gave a,50% yield of mononitro compounds, and an ortho-para isomer ratio 0.20 in product distribution of chlorobenzene mononitration.

结果表明：硅钨酸催化性能较好，催化剂载体以纳米二氧化硅最好，反应条件中醋酸酐用量是主要影响因素；SiW_(12)O_(40)~(4-)／纳米SiO_2催化剂具有强对位选择性：在醋酸酐存在下，氯苯与等当量的硝酸室温下反应40分钟，氯苯一硝化产物中邻／对硝基氯苯异构体的质量比达0.2，产率可达50％。

Nitrosification and denitrification in an artificial domestic wastewater with low COD were studied in a sequencing batch moving bed biofilm reactor.

在序批式移动床生物膜反应器内，对进水COD较低的条件下，模拟生活污水的亚硝化及脱氮性能进行了研究。

The nitrosification of suspended activated sludge of SBBR one-step completely nitrogen removal process could be defined as the first order reaction.

单级自养脱氮系统中悬浮态活性污泥的亚硝化反应可以近似按一级反应表示，反应速率随生物量的增加而增加。

The amounts of microorganisms in a new denitrification and phosphorus removing integration equipment in its initial stage of running was measured and the change of total bacteria ,Molds,nitrobacteria, Actinomycetes, Nitrobacteria ,Nitrosobacteria and Nitrate reducing bacteria in different times were also studied.

对反硝化聚磷除磷脱氮污水处理新工艺运行初期系统中的微生物数量进行了跟踪检测，并对细菌总数、霉菌、放线菌、硝化细菌、亚硝化细菌、反硝化细菌在不同日期的数量变化进行了研

Results also showed Nitrosomonas sp. was dominant phylotype in the library constructed with 16S rDNA PCR amplification from enrichment culture DNA extracted by direct extraction method.

用SDS-直接法提取的总DNA建立的富集液16S rDNA克隆文库中，氨氧化细菌群落结构较为单一，以亚硝化单胞菌为主。

NITROSTARCH, dry or wetted withless than 20% water, by mass

硝化淀粉，干的，或湿的，按重量含水低于

The reactions include, organometallic reactions (grignard reaction, organolithium -zinc, and -copper chemistry ), metal catalyzed reactions, mannich reaction, nitration, hydrogenation, azidation, amino-protection reactions, organoalluminum catalyzed beckmann rearrangement, schmidt rearrangement, epoxidation, epoxide ring opening reactions, swern oxidation etc.

这些反应包括：有机金属反应(格利亚反应，有机锂，有机锌和有机铜反应)，金属催化反应堆(suzuki 反应， negish 反应)， mannish 反应，硝化反应，氢化反应，叠氮反应，各种基团的保护和脱保护反应，有机铝催化的贝克曼重排反应，斯密特重排反应，环氧化反应，环氧烷开环反应， swern 氧化反应等。

In addition,applying nitrification inhibitors could increase vitamin C and soluble sugar contents in pakchoi,and promote N and P uptakes by pakchoi.

另外，3种硝化抑制剂还能显著提高小白菜的维生素C和可溶性糖含量，增强对N，P养分的吸收。

Jean Jacques Theophile Schloesing proves that nitrification is a biological process in the soil by using chloroform vapors to inhibit the production of nitrate.

Jean Jacques Theophile Schloesing通过使用氯仿蒸汽抑制了硝酸盐的生成，从而证明了硝化作用是土壤中的一个生物学作用。

Up to now, it is still a controversial question that whether benzene could be biodegraded under denitrifying condition.

反硝化条件下的生物降解具有还原条件要求低、污染物去除效率高、经济可行等优点，更是研究的热点。

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。