查询词典 nitric acid

Spraying K, Zn and B fertilizer at heading stage had a certain effect on nitrogen metabolism of wheat, and could increase the activities of nitric acid reductases and Alanine transaminase in fig leaves, so improve the nutrition quality and processing quality of wheat.

灌浆期喷施钾、锌、硼肥，可以不同程度地提高小麦旗叶的硝酸还原酶、谷丙转氨酶活性，改善小麦的营养品质和加工品质。

5 Mol/L nitric acid solution in nozzle plate pulsed column have been studied.

研究了喷嘴板脉冲萃取柱中正辛醇- 0 5mol/L硝酸体系的液泛通量、分散相存留分数等流体力学特性。

The company mainly produces nitric acid lead, copper sulfate, lead antimony alloy, seven water zinc sulfate, heavy calcium carbonate, talc, the output value of more than 10 million.

公司主要生产硝酸铅、硫酸铜、铅锑合金、七水硫酸锌、重质碳酸钙、滑石粉等，年产值1000多万元。

Some data about apparent solubility product of Mo and Zr precipitates have been determined in 1.0, 2.0, and 3.0 mol/L HNO 3 solutions. The effects of different concentration of nitric acid and initial concentration of Mo and Zr on the apparent solubility product are also investigated.

实验还测定了 1 0 ，2 0 ，3 0mol/L硝酸溶液中钼锆沉淀的表观溶度积K′sp，讨论了硝酸浓度、钼锆初始浓度对表观溶度积的影响。

Comprehensive recovery of gold ; silver ; copper and lead ; oxidation leaching copper in ammonia solution ; leaching lead with nitric acid ; leaching gold and silver with cyanide

中国科学院化工冶金研究所；黄金， GOLD ，编辑部邮箱 1997年 05期综合回收金、银、铜、铅；氧化氨浸脱铜；硝酸脱铅；氰化提取金银

The La0.6Sr0.4Co0.2Fe0.8O3-δ composite oxide was prepared via combined EDTA-citrate complexing process with concentrated nitric acid treatment. The treatment would result in the self-combustion of solid state precursors at low temperatures.

在EDTA-柠檬酸联合络合法制备LSCF复合氧化物的过程中，利用浓硝酸对LSCF的固态前驱体进行处理，实现前驱体低温自燃烧反应。

Jinan Fertilizer Plant is a limited liability company Jinan, the Jinan city-run enterprises, with more than 40 years of chemical industry, Fertilizer production history, and covers more than 60 million square meters (about 900 acres), serving grades 1637, The principal products are : ammonia, nitric acid, methanol, liquid carbon dioxide, ammonium bicarbonate, Fertilizer, melamine and plastic sacks. water, electricity, gasoline and utilities, such as the capability to complete refrigeration.

济南化肥厂有限责任公司是济南市市属重点企业之一，具有40多年的化工、化肥产品生产历史，占地面积60余万平方米（约900亩），在职职1637人，主要产品有：合成氨、硝酸、甲醇、液体二氧化碳、碳酸氢铵、复合肥、三聚氰胺、塑料编织袋等，水、电、汽、制冷等公用设施配套能力齐全。

Nitroglycerine was produced by mixing glycerine with sulfuric and nitric acid. It was considered too dangerous to be of any practical use.

硝化甘油由混合甘油与硫磺酸及硝酸制造而成，它曾被认为过于危险而不致实用。

Usual chromic and nitric acid bright dips for cadmium are not chromate treatments.

通常铬和硝酸明亮镉逢低不铬酸盐处理。

Usual chromic and nitric acid bright dips for cadmium are not chromate treatments.

通常用三价铬和硝酸浸入抛光镉镀层而不是铬镀层。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。