查询词典 nitrate

Results showed that the most suitable strains decoloring conditions for the degradation of sodium nitrate 12g/L, 0.8 g/L, ammonia 16g/L, salinity than in the foregoing conditions, to cultivate the concentration of 100mg/L don't sterilization of malachite green, bleaching solution still cultivate 5d rate is 90%.

结果表明，菌株脱色最适合降解条件为醋酸钠12g/L，硝酸氨0.8g/L，盐度小于16g/L，在上述各培养条件下，对浓度为100mg/L不灭菌的孔雀石绿溶液静止培养5d，脱色率达90%以上。

Products to sponge cadmium, cadmium oxide, cadmium nitrate, sulphate cadmium, nickel foam, metal cadmium powder as the main products of the coexistence of a variety of operations, monthly production reached: 200 tons of cadmium oxide, cadmium off more than 50 tons, cadmium powder 30 Tons, 300 tons of nitric acid cadmium, nickel foam 12,000 square meters, and so on, the annual turnover to reach 36 million.

产品以海绵镉、氧化镉、硝酸镉、硫酸镉、发泡镍、金属镉粉为主要产品的多种经营方式并存，月产量达到：氧化镉200吨、海面镉50多吨、镉粉30多吨、硝酸镉300吨、发泡镍12000平方米等等，年营业以达到3600万。

Catalyst particles coated uniformly on cordierite surface through dipping-method in nickel nitrate solution, were used to synthesize carbon nanotubes via methane diffusion flame method.

借助于硝酸镍溶液，利用浸渍法在堇青石表面均匀负载镍催化剂颗粒，在甲烷扩散火焰中活化并催化生成碳纳米

By using catalysts based on sodium nitrite, hydrochloric acid and sodium nitrite, cerium dioxide and sodium nitrite, and cupric nitrate and sodium nitrite correspondingly.

结果表明，用亚硝酸钠作催化剂乙醛酸产率为73.9%，盐酸和亚硝酸钠作催化剂时乙醛酸产率为84.6%，二氧化铈和亚硝酸钠作催化剂时乙醛酸产率为80.2%，硝酸铜和亚硝酸钠作催化剂时乙醛酸产率为78.2%。

A new technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been analyzed according to phase diagrams of the K2Cr2O7-CrO3-KNO3-HNO3-H2O quaternary system at 0oC, 25oC and 45oC based on experimental results.

以实验测得的K2Cr2O7-CrO3-KNO3-HNO3-H2O四元体系相图为依据，对用硝酸酸化重铬酸钾联产铬酸酐和硝酸钾工艺过程进行分析，确定了铬和钾利用率最大时的操作条件。

After treatment, the nitrate reductase activity decreased generally. It began to increase before the flower-bud appearing , and gradually came to peak at flower cluster growing stage, but decreased then and gradually came to a low tide at early blossoming stage.

处理后，硝酸还原酶活性呈现下降走势，在红点出现前一段时间，开始上升，在花穗伸长期达到高峰，随后开始下降，初花期降到低谷。

In these experiments, we have choosen the activated carbon as the support, and copper nitrate, copper acetate and copper sulfate were used as precursors to prepare the supported activated carbon-copper catalysts. Toluene was chosen as pollutant for activity test.

本实验选择活性碳当担体，而前驱物为硝酸铜、醋酸铜、硫酸铜制备金属活性相为铜之触媒，并假设目标污染物为甲苯来进行实验探讨。

The three parameters in the culture of 1 000 mL flask were 27%,30%,and 27% lower than that of 250 mL flask,respectively.The concentrates of phosphate,nitrate and ammonium in progressive scale-up flasks decreased similarly.

在逐级放大的摇瓶中，氮、磷、铵浓度都随着培养时间延长而逐渐降低，尽管在1L的摇瓶中磷消耗得最慢，但三种摇瓶中磷在细胞生长对数期基本都被消耗尽了。

The results showed that nitrate and sulfate were more favorable electron acceptors compared to ferric iron.

结果表明，苯、甲苯和乙苯在以硝酸根和硫酸根为电子受体、污染物初始浓度较低的条件下，降解效率可达95％，而以3价铁为电子受体或者初始浓度较高时降解效率较低。

Said metal nitride is prepared through mixing the aqueous soltuion of nitrate or sulfate of A with the aqueous soltuion of Cr, Mo or W acid or one of their ammonium salts, coprecipitation or impregnation to obtain load-type or non-load-type dual-component metal salt or compound oxide, then pass in NH3, sequentially heating and azotizing at 600-750 deg.C.

该金属氮化物是由含A过渡金属元素的硝酸盐或硫酸盐水溶液与Cr、Mo或W酸或者Cr、Mo或W酸铵水溶液混合，通过共沉淀法或浸渍法制成负载型或非负载型双组元金属盐或复合氧化物，再将双组元金属盐或复合氧化物通NH3进行程序升温，至最终氮化温度600～750℃下进行反应而制得。

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。