查询词典 basic bithmuth nitrate

In order to improve the reaction rate of pyrotechnical reagent, transition metal oxides, Fe2O3 and CuO, were added into potassium perchlorate and potassium nitrate respectively by mixing and crystallization methods. Accelerating rate calorimeter was used to study the catalytic behavior of TMO.

为了提高含高氯酸钾和硝酸钾烟火药剂的反应速率，应用混合法和结晶法将过渡金属氧化物氧化铁添加到含高氯酸钾的烟火药剂中，将氧化铜添加到含硝酸钾的烟火药剂中。

The maximal reaction rate of pyrotechnical reagent with potassium perchlorate added with Fe2O3 by crystallization method is 8.10 min-1, which is 4.09 times of that without catalyst. The time to maximal rate is 8.52 min, which is lower than that without catalyst by 92.8%. It was also found that CuO can catalyze pyrotechnical reagent with potassium nitrate, and the addition is better with mixing method.

结果表明，氧化铁对含高氯酸钾的烟火药剂具有催化作用，以结晶添加法催化效果最佳；此药剂的最大反应速率为8.10 min-1，是不含催化剂药剂的4.09倍；到达最大反应速率时间为8.52 min，比不含催化剂的药剂降低了92.8%。

Effects of KNO3 spray on nitrate reductase activity and nitrogen accumulation were studied in Pyrus pyrifolia cv.

在盆栽条件下，研究了喷施KNO3对新高梨实生苗硝酸还原酶活性和氮素积累的影响。

The activities of nitrate reductase, glutamate dehydrogenase and glutamine synthetase in water spanich leaves were enhanced, the contents of total nitrogen and protein increased, but the content of free amino acid decreased. Compared to the control, low and medium amount of quinhydrone made significant difference respectively, but high amount had not notable effects.

醌氢醌使蕹菜叶片硝酸还原酶活性、谷氨酸脱氢酶活性、谷酰胺合成酶活性、总氮含量、蛋白质含量提高，游离氨基酸含量降低；与对照相比，低、中量醌氢醌处理差异显著，高量醌氢醌差异不显著。

The energy of the complex molecule has been compensated by a hydrogen bond formed by, a proton bonding to a quinolyl nitrogen atom and a nitrate ion.

分子中有一个氢离子与另一个喹啉N原子结合并与硝酸根的氧原子形成氢键，从而使配合物分子在能量上得到补偿。

Through the introduction of N-catch crop with deep root system, it is possible to reutilize the nitrate-nitrogen leached out of root zone of vegetable in the vegetable-catch crop rotation system based on the phytoremediation principle.

另一方面，由于蔬菜的根系较浅，因此需要频繁的灌溉，这又使得累积在土壤中的氮素很容易被淋洗到根层以下，对作物基本无效。

The nitrate content of rhizomatous vegetable is lower than 198 mg/kg, and the leaf vegetable is 500 mg/kg.

介绍环保型蔬菜专用叶面肥配方设计的研究方法，提出了20个配方进行大田小区试验，优选出的配方经在蔬菜上施用后，产量增加，蔬菜中亚硝酸盐含量低于0.001mg/kg；根茎类蔬菜中硝酸盐含量低于198 mg/kg，叶菜类蔬菜中硝酸盐含量低于50 mg/kg，达到了无公害蔬菜的要求

The nitrate reductase activity,chlorophyll concentration and nitrogen content of tobacco leaf and total absorption area of tobacco rhizotaxy were significantly or extremely sign ificantly correlated with nitrogen concentration.

结果表明，不同基因型烟草对氮素营养的响应有明显差异，其硝酸盐还原酶活性、叶绿素含量、根系总吸收面积、氮含量均与氮浓度呈显著或极显著相关。

The invention is characterized in that absorbing agent is a multivariate compound salt which is formed by lithium nitrate, sodium thiocyanate and lithium rhodanate.

多元复合盐/氨溶液吸收制冷剂，它包括吸收剂和制冷剂，所述制冷剂为氨，其特征在于所述吸收剂为硝酸锂、硫氰酸钠和硫氰酸锂组成的多元复合盐。

The improved method of determination of nitrate with salicylate is simple,rapid and accurate,and can be used for the analysis of NO - 3 in soils and water.

因此 ，探寻一种简便、快速、准确的 NO3 - N测定方法是土壤及环境科技工作者值得深入研究的问题。有关水杨酸法测

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。