查询词典 nitrate

The preparation process includes the following steps: dissolving activator and RE oxide in the molar ratio of 0.01-0.02 in concentrated nitric acid and heating to dry, dissolving the obtain RE nitrate in deionized water to obtain solution of RE nitrate; dissolving soluble tungstate and surfactant in deionized water to obtain tungstate solution; mixing the RE nitrate solution and the tungstate solution through stirring to reaction for 25-60 min to obtain white precipitate; hydrothermal reaction of the precipitate in a reaction kettle at 100-260 deg.c for 24-72 hr; centrifugally separating, washing and drying to obtain the product.

浓硝酸的加入量保证稀土氧化物溶解就可以，过量的硝酸可以加热除去；将可溶性钨酸盐和表面活性剂溶解于去离子水中，得到钨酸盐溶液，表面活剂性的加入量为反应原料重量的0-30wt％；将稀土硝酸盐溶液加入到钨酸盐溶液中搅拌，发生沉淀反应，磁力搅拌时间为25-60分钟，得到白色沉淀；将含有沉淀物的溶液作为前驱物加入到反应釜中，发生水热反应，反应温度为100-260℃，反应时间为24～72小时；离心分离，洗涤，干燥，即得所需产物。

The results indicated that different organic fertilizers significantly affected the accumulation of nitrate in lettuce in both open field and plastic tunnel, lowest nitrate content occured in treatmants with cattle manure and well-composted chook manure, while bean cake and pig manure increased nitrate content as compared with the control.

本试验主要研究了在露地和大棚条件下不同有机肥对生菜硝酸盐积累的影响，以期为通过有机肥控制蔬菜硝酸盐积累提供理论依据。1材料与方法以结球生菜为试材，品种为皇帝。露地试

Double-barrelled nitrate selective microelectrodes were used to measure the nitrate activity in leaf cytosol and leaf vacuoles of different rice cultivars in either nitrate supply or deprivation conditions.

随着水稻节水栽培技术的发展与应用，水稻硝酸根离子营养的研究已成为植物营养学和农业生产领域的十分关注的问题之一[1]。

Porous nanometer Ce-M-O solid solutions were synthesized by a microwave- induced combustion process using cerium nitrate hexahydrate, lanthanum nitrate hexahydrate, praseodymium nitrate hexahydrate and urea as raw materials.

使用Ce(NO3)3·6H2O， Pr(NO3)3·6H2O， La(NO3)3·6H2O，尿素为原料，利用微波引诱燃烧法合成了多孔纳米Ce-M-O固溶体。

Coordination compounds of chistosan with Ce,Zr,Pb and Cd were prepared,which were synthesized by the reaction of CTS with cerium nitrate,zirconium nitrate,cadmium sulfate,and lead nitrate in acid systems.

用壳聚糖分别与硝酸亚铈，硝酸锆，硫酸镉和硝酸铅在酸性介质中反应，制备了壳聚糖-Ce、壳聚糖-Zr、壳聚糖-Cd、壳聚糖-Pb四种壳聚糖-重金属离子配合物。

Rare precious metals company mainly engaged in electroplating and metal surface treatment, environmental treatment, washed clean of raw materials: silver nitrate, nitric acid and rhodium, palladium nitrate; Asia selenium acid, selenium dioxide, tellurium dioxide, mineral selenium powder Japan, Mitsubishi Se powder, Mitsui, Sumitomo, emerging, Germany selenium powder; molybdenum trioxide, DMF; TX-10, NP-9 series, EDTA series; sodium hypophosphite, nickel nitrate, metal thallium, rhodium, palladium, platinum , Beryllium, Ritek, zirconium products; sponge palladium; electrolytic nickel, nickel corner, hydrazine hydrate, Ultra-fine silver, nano-silver; Thallium sulfate, iodized Thallium sulfate, nickel, copper sulfate, copper chloride, copper oxide, nickel oxide , Lanthanum oxide, oxidation Er, bismuth oxide, bismuth ingots, tin ingots, indium ingot, indium foil, Xinding, zinc powder; SnCl2, sulfate-tin; hydrofluoric acid, white Vaseline, propylene glycol, dichloro Methane, the propylene glycol, triethanolamine, triethanolamine oleic acid soap, chloroform, pyrophosphate copper, Gioia sodium, polyacrylamide, PAC, oleic acid, Glycerol, phosphate and other domestic and imported chemical series.

公司主要经营稀贵金属及电镀金属表面处理、环保污水处理、洗涤清洗原料：硝酸银、硝酸铑、硝酸钯；亚硒酸、二氧化硒、二氧化碲、日本矿业硒粉、三菱硒粉、三井、住友、新兴、德国硒粉；三氧化钼、二甲基甲酰胺；TX－10、NP-9系列、EDTA系列；次亚磷酸钠、硝酸镍、金属铊、铑、钯、铂、铍、铼、锆系列产品；海绵钯；电解镍、镍角、水合肼、特细银粉、纳米银粉；硫酸铊、碘化铊、硫酸镍、硫酸铜、氯化铜、氧化铜、氧化镍、氧化镧、氧化铒、氧化铋、铋锭、锡锭，铟锭、铟箔、锌锭，锌粉；氯化亚锡、硫酸亚锡；氢氟酸、白凡士林、丙二醇，二氯甲烷，二丙二醇，三乙醇胺、三乙醇胺油酸皂、三氯甲烷、焦磷酸铜、焦亚硫酸钠、聚丙烯酰胺、聚合氯化铝、油酸、甘油、磷酸等国产、进口化工系列。

The results show that the organic-inorganic specialty fertilizer 〔16-6-8-20 〕is favorite to the yield increase and nitrate content decrease against tumorous stem mustard, and the inorganic fertilizer type Ⅱ(19-7-9) follows. Single superphosphate is better than monoammonium phosphate in increasing the yield whilst poorer in decreasing its nitrate content,sulfate of potash is better than muriate of potash in increasing the yield while weaker in decreasing its nitrate content,and fused calcium magnesium phosphate shows little desired effects.

结果表明：有机无机型专用肥〔16-6-8-20〕对茎瘤芥增产和降低其硝酸盐含量的作用最佳，其次为无机型专用肥Ⅱ(19-7-9)，过磷酸钙对茎瘤芥增产效果优于磷酸一铵，但降低其硝酸盐含量不及磷酸一铵，硫酸钾的增产作用优于氯化钾，但氯化钾降低硝酸盐含量的效果较好，钙镁磷肥对其增产和降低硝酸盐含量的效果均差。

The concentration of nitrate was determined indirectly through the effect of nitrate revivification enzyme on nitrate in the existence of NADPH.

在NADPH存在的条件下，通过硝酸盐还原酶将硝酸盐还原为亚硝酸盐，间接测定蔬菜中硝酸盐质量浓度，为检测蔬菜中硝酸盐质量浓度提供一种新方法。

Objective To evaluate the in vitro antifuangal activity of 2% sertaconazole nitrate ointment and miconazole nitrate cremor. Methods The minimal inhibitory concentrations of 134 clincal isolates of bacteria were determined by standard agar dilution method,and miconazole nitrate cremor.

目的 评价硝酸舍他康唑软膏的体外抗菌活性方法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。

Thus the chemical composition of intermediate A is that of nickel nitrate tetrahydrate, that of intermediate B is of nickel nitrate dihydrate, that of intermediate C is of the monohydrate whilst that of D is anhydrous nickel nitrate.

因此，中间产物A的化学成分是四水硝酸镍，中间产物B的化学成分是二水硝酸镍，中间产物C的化学成分是一水化物，而中间产物D的化学成分是无水硝酸镍。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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