查询词典 potassium nitrate

Fermentation for the cell monascus was carried out with different concentration of potassium nitrate, rice powder and preliminary pH.

对以不同浓度的硝酸钾、大米粉、不同初始pH值等条件变化对细胞红曲霉菌进行发酵培养。

Key words:potassium nitrate;production technology;current situation;application;market;development suggestion

简要介绍硝酸钾的生产技术、国内现状、应用领域及市场前景，并对硝酸钾的发展提出了一些建议。

A white, gray, or colorless mineral of potassium nitrate, KNO3, used in making gunpowder.

硝酸一种白色、灰色或无色的硝酸钾kno3，用于制火药

Strands prepared with fertilizer grade potassium nitrate had a burn rate marginally greater than the chemical grade product.

strands准备与肥料级硝酸钾了轻微的烧伤率大于化学级产品。

The product that was washed to remove the impurities had a burn rate that was essentially the same as the chemical grade potassium nitrate.

该产品是水洗，以消除杂质了烧伤率基本上是相同的化学级硝酸钾。

Epoxy-based potassium nitrate propellants burn at a rate far slower than any of the sugar-based propellants.

环氧树脂为基础的硝酸钾推进剂烧伤的速度远远慢，比任何的糖基推进剂。

Potassium nitrate was added to intensify the chromite decomposition process by KOH sub-molten salt.

通过采用添加硝酸钾的方法以强化铬铁矿的KOH亚熔盐氧化分解过程。

Extraction of fish oil is done in the temperature of 65℃,70℃, 75℃,80℃,85℃,90℃and95℃ in turn in the condition of pH8.0,55mins in hydrolyzing,20mins in salting out with 4.5 percent of potassium nitrate and 30mins in centrifugalization with 3000r/min.

在传统淡碱水解工艺的基础上，将氢氧化钾和硝酸钾分别替换原工艺中的氢氧化钠和氯化钠，在pH8.0、水解时间55min、用4.5%的硝酸钾盐析30min、用3000转的离心机离心30min的条件下，分别在65℃、70℃、75℃、80℃、85℃、90℃、95℃时提取粗鱼油。

RESULTS:12 compounds separated from Dendranthema nankingense were elucidated as cerotic acid,β-sitosterol,ursolic acid,chrysoeriol,luteolin,caffeic acid,daucosterol,chrysoeriol-7-O-glucoside,luteolin-7-O-glucoside,linarin,rutin and potassium nitrate.

结果：从菊花脑中分离得到12个化合物，即正二十六烷酸、β-谷甾醇、熊果酸、金圣草黄素、木犀草素、咖啡酸、胡萝卜苷、金圣草黄素-7-O--βD-葡萄糖苷、木犀草素-7-O--βD-葡萄糖苷、蒙花苷、芦丁、硝酸钾。

The maximal reaction rate of pyrotechnical reagent with potassium nitrate added with CuO by mixing method is 7.38 min-1, which is 1.30 times of that without catalyst. The time to maximal rate is 53.55 min, which is lower than that without catalyst by 66.3%.

氧化铜对含硝酸钾的烟火药剂具有催化作用，混合法添加的催化效果最佳；此药剂最大反应速率为7.38 min-1，是不含催化剂药剂的1.30倍；到达最大反应速率时间为53.55 min，比不含催化剂的药剂降低了66.3%。

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。