查询词典 basic bithmuth nitrate

The 2 g/L solution of potassium sulfate was employed for the dissolving of sample, and silver nitrate was used as titrant.

以2g/L 硫酸钾为溶解试剂，硝酸银为滴定剂，电位滴定法测定铁矿石中的水溶氯，通过电极电位-浓度二次微商滴定曲线，计算二次微商等于零时对应的V为滴定终点，可省去绘制E-V曲线或ΔE/ΔV-V一次微商曲线作图带来的麻烦。

Nearly all the isolates were likely to utilize NZ amine, sodium acetate, sodium propionate and Tween-80, but potassium nitrate and sodium benzoate, sodium succinate, sodium citrate occurred with different strains.

所有参试菌株能很好地利用乙酸钠、丙酸钠和丙酮酸钠，但对其它有机酸的利用各不相同。大多数菌株能利用酪蛋白、牛肉膏等有机氮，一些菌株可利用氨态氮和硝态氮。

A cellulose nitrate used as a component of smokeless powder.

火纤维素硝酸纤维素，用于无烟的炸药的组成物质

By comparison of long-term exposure with long-term immersion, the release amount of ammonium, nitrite, nitrate and dissolved phosphorus into the overlying waters from the sediments were increased during the reflooding after long-term dessication, reflecting that long-term exposure stimulated sediments as a releasing source of nutrient and accelerated the biogeochemical cycle of nutrient in the tidal flat ecosystem.

通过对比分析发现，长期暴露之后能够增加沉积物向上覆水体释放NH〓-N、NO〓-N、NO〓-N和TDP，显示了长期暴露加剧了沉积物作为营养盐的源效应，并且加速了潮滩生态系统内营养盐的生物地球化学循环过程。

Aluminium hydroxide, the precursor of alumina, was synthesized by precipitation reaction of the aluminium nitrate and sal volatile.

利用硝酸铝溶液和碳酸按溶液的沉淀反应制备一种氧化铝的前驱体－氢氧化铝。

It can be shown from experimental results, the diameter of the droplet in the W/O microemulsion which have dissolved reactant zinc nitrate and sal volatile is between 4.9 nm and 7.7 nm, 6.2 nm and 12.4 nm, respectively.

测定结果表明，微乳液中液滴大小均匀，分布很窄，直径分别在6.2～12.4nm和4.9～7.7nm之间，非常适合作纳米反应器来制备纳米粒子。

Hydroxylammonium nitrate-based liquid propellants have been pursued as liquid gun and rocket propellants for many years in America.

硝酸羟胺基液体推进剂作为火炮发射药和火箭推进剂，在美国已经使用多年，我国可能在不远的将来投入使用。

The effect of N forms and Ratios on iron nutrition in hydroponically grown lettuce were investigated. It was found that suitable ratioNO3--N:NH4+-N:CO(NH22 =6:6:0 in nutrient solution can significantly promote plant growth, raise chlorophyll content, improve plant iron utilization efficiency, and reduces nitrate content accumulation in leaves, and the cost of nutrient solution was thus reduced.

硝态氮、氨态氮与酰胺态氮及其不同配比对水培油菜铁素营养的影响试验，结果表明，不同形态氮素显著影响植物的铁素营养状况，NO_3~--N：NH_4~--N：CO(NH_2)_2为6：6：0的处理比单一NO_3~--N使用处理，能促进水培油菜生长，提高叶绿素含量，增加植物体内铁的活性，降低叶片中硝酸盐含量的积累，降低营养液成本。

The magnesium oxide nanocrystallites were prepared by means of a sol-gel method with malic acid and magnesium nitrate as raw materials.

以苹果酸和硝酸镁为原料，采用溶胶-凝胶法制备了氧化镁纳米晶。

A kind of low detonation velocity seismic explosive column charged with low detonation velocity explosive in which self-sensitized and improved expanded ammonium nitrate is oxidizer was investigated.

研究一种以低爆速膨化硝铵炸药为主装药的低爆速震源药柱。

Core, self psychology is psychoanalytic, but there are crucial differences in how the patient-therapist relationship is viewed.

自体心理学的核心是精神分析，但在如何看待患者-治疗师关系方面，自体心理学和精神分析有着根本性的不同。

High-performance cars brake drum production costs increase less than 10%.

高性能汽车刹车鼓的生产成本增加小于10％。