查询词典 nitrate

The wood-cellulose grafted polyacrylamide was synthesized with the cerous ammonium nitrate as the initiator. The absorbent resin was produced through hydrolyzing the Cell-g-PAM.

以木纤维为基质，硝酸铈铵为引发剂，成功的制备了纤维素接枝聚丙烯酰胺共聚物，进一步经过碱性水解，获得了具有一定吸水性能的吸水树脂。

Chemoautotrophic or chemosynthetic the energy is obtained by oxidation of an inorganic compound; for example, by oxidation of ammonia to nitrite or a mitrite to nitrate, or oxidation of hydrogen sulfide to sulfur.

例如把氨氧化为亚硝酸盐或硝酸盐，或把硫化氢氧化为硫。

With the molar ratio of cobaltous nitrate, phenanthroline and Pyridine-3,4-dicarboxylic acid is 1∶2∶1,under the condition of pH=5,heating at 50-60℃ and stirring,the ternary complex of cobalt is synthesized in the methanol solution.

将硝酸钴、邻菲罗啉和3，4-二羧基吡啶按1∶2∶1物质的量比计量，在pH=5和50-60℃加热搅拌的条件下，在甲醇溶液中合成了钴的三元配合物，用元素分析、红外光谱、紫外光谱、热重分析和摩尔电导率对配合物进行表征，结果表明该配合物为1∶1型电解质，其组成为[CoⅢ2]NO3.H2O，其中Pydc=

At the same time, the efficiency of COD removal was 87.24％, which demonstrates the coinstantaneous removing of both organic and nitrate nitrogen.

COD的平均去除率为87.24％，基本实现了同一反应器中有机物和硝酸盐的共同去除。

Considering the quality index comprehensibly, the treatments of high yield with fine quality were 1.5N treatment in strong acidic soil, 2N1.5K trentment in acidic soil and 2 treatment in slight acidic soil, which contents of Vc, amino acid, soluble sugar, solid substance and total acidity were rather higher and the content of nitrate was lower.

甜椒果实Vc、氨基酸、可溶糖和固形物含量较高、硝酸盐含量较低的优质高产组合为：强酸性土壤1.5N处理、酸性土壤2N1.5K处理和微酸性土壤2处理。

Methods The minimal inhibitory concentrations of 134 clincal isolates of bacteria were determined by standard agar dilution method,and miconazole nitrate cremor.

采用琼脂平皿稀释法测定2%硝酸舍他康唑软膏对134株临床分离分离致病菌的最低抑菌浓度，并与硝酸咪康唑霜进行比较。

Results showed that in the water body of Xizi Lake, annual average of culturable planktonic ammonifiers and nitrogen fixers were 510 and 236 CFU/mL, respectively; Ammonia oxidizers, nitrite oxidizers, nitrate reducers and denitrifiers were 8.5, 16, 587 and 16 MPN/mL, respectively; Inorganic phosphate solubilizing bacteria (1PB) and organic phosphorus mineralizing bacteria were 89 CFU/mL and 37 MPN/mL, aerobic and anaerobic cellulose decomposers were 7 and 5 MPN/mL, respectively.

水体中可培养异养细菌和固氮菌的年平均值分别为510和236CFU／mL，氨氧化细菌、亚硝酸氧化细菌、硝酸盐还原菌和脱氮菌的数量分别为8.5、16、587和16 MPN／mL；无机磷和有机磷分解菌分别为89 CFU／mL和37 MPN／mL；好氧性纤维素分解菌和厌氧性纤维素分解菌只有7和5 MPN／mL。

For applying nano-particles to the functional finishing of textiles, nanometer MgO was prepared by direct precipitation method with magnesium nitrate and sodium carbonate decahydrate as raw materials, and its structure and property were characterized by DSC and XRD.

为将纳米粒子应用于织物的功能整理，以硝酸镁和碳酸钠为原料，采用直接沉淀法制备纳米MgO，并用差示扫描量热分析和X射线衍射等方法对产物的结构与性能进行表征。

The silver nanoparticles modified by oleic acid were successfully synthesized by the replacement reaction of silver nitrate with metal sodium in decalin, and the reaction was achieved via ultrasonic irradiation.

在有机介质十氢化萘中，以金属钠、硝酸银和油酸钠为起始原料，通过超声辐射使金属钠和硝酸银发生置换反应，成功制备了油酸表面修饰的Ag纳米微粒。

The invention discloses a disposing method of ammonia nitrogen waste water in the effluent disposal technological domain, which is characterized by the following: sieving heterotrophic nitrobacteria and aerobic denitrobacteria with stronger environment adaptive ability to nitrate and denitrate simultaneously; constructing mud nitrated and denitrated system to dispose waste water with nitrogen simultaneously to satisfy different DO densities.

为了解决同步硝化反硝化过程中菌种来源不明，调控困难，硝化和反硝化对DO浓度要求不同，在实际工程中难以实现同步硝化反硝化，本发明筛选出对环境有较强适应能力的异养硝化细菌和好氧反硝化细菌，采用异养硝化细菌和好氧反硝化细菌构建同步硝化反硝化污泥体系处理含氮废水，具有投资少，费用低，处理效果好，不仅去除废水中的氨氮，而且对总氮也有较高的去除率。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。