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Sulfuric acid series, hydrochloric acid (AR hydrochloride, CP hydrochloric acid) series, nitric acid, phosphoric acid, boric acid, protopine, soda ash, ammonia, acetic acid, bleaching powder, chloride, alkaline chlorine of aluminum, nickel chloride, nickel sulphate, polyacrylamide, such as hydrogen peroxide.

硫酸系列,盐酸系列,硝酸,磷酸,硼酸,片碱,纯碱,氨水,冰醋酸,漂白粉,聚合氯化铝,碱式氯化铝,氯化镍,硫酸镍,聚丙烯酰胺、双氧水等。

The mobile phase was 0.1 mol/L ammonium oxalate + N,N-dimethylformamide + 0.2 mol/L diammonium phosphate (75+15+10, by vol) adjusted to pH 8 by aqueous ammonia. Column temperature was 30℃, flow rate was 0.8 ml/min, and detection wavelength was 365 nm.

使用C18反相柱和二极管阵列检测器,以0.1mol/L草酸铵溶液+二甲基甲酰胺+0.2mol/L磷酸氢二铵溶液=75+15+10(用氨水调pH值至8.0左右)为流动相,柱温30℃,流速0.8ml/min,检测波长365nm,外标法对水合霉素的有效成分进行定量分析。

Based upon the experimental results, including threshold values under static loading,the effects of alternating loading and room temperature creep,as well as metallographic observations of the fractography,it is concluded that notwithstanding stress corrosion or corrosion fatigue in aqua ammoniae,or fatigue in air,the cracks always initiate at the site subject to maximum normal stress(θ=-110°)along the notched surface,and then propagate along the maximum shear stress direction from that site(α=-35°).

由门槛值的测量、交变载荷的作用、室温蠕变的影响、断裂过程的金相观察及断口形貌等结果,可以确认;黄铜不论是在氨水中应力腐蚀或腐蚀疲劳,还是在空气中疲劳,裂纹都从Ⅱ型缺口试样的最大正应力处(0=-110°)萌生,并沿该处的最大剪应力方向(α=-35°)扩展。

Results N-hexane ∶acetoacetate ∶95%alcohol(12.8 ∶7.2 ∶2.2)were used as developing agent together with strong aqua ammoniae,in which the thin layer plate was saturated for 40 m...

结果以正己烷-乙酸乙酯-95%乙醇(12.8∶7.2∶2)为展开剂,用浓氨水和展开剂同时饱和40min,展开,取出晾干,以10%浓硫酸-乙醇为显色剂,70℃下加热30min,可获得分离清晰的6个有色斑点。

Because the water balance production link is not recognized and regarded fully, long- term full load or even overload operation of coal water treatment plant are caused in production.

实际生产中,由于水平衡的生产环节未被充分认识和重视,导致生产中出现剩余氨水处理装置长期满负荷甚至超负荷运行的情况。

The preparation method can be sol-gel method, ammonia solution co-precipitation method, or high-temperature solid phase method. The obtained colorful fluorescent powder has such advantages as high stability, good morphology, and high low-voltage cathode luminescence efficiency.

其制备方法可选择因地制宜选择溶胶―凝胶法、氨水共沉淀方法及高温固相法,得到的荧光粉具有稳定性,形貌好,低压阴极射线发光效率高等特点。

The results show that LSCF and LSM precursors can be transformed to the pure orthorhombic perovskite structure having been calcined at 900℃ and 1200℃ for 5 h, respectively, and LSCF cathode has a smaller particle size and a bigger specific surface area compared with LSM cathode.

采用氨水沉淀法分别制备La0.6Sr0.4Co0.2Fe0.8O(下标 3-δ)与La0.8Sr0.2MnO(下标 3-δ)两种阴极材料,并用X射线衍射、场发射扫描电子显微镜和比表面积对所制备材料的结构、晶粒大小、形貌及比表面积进行表征。

The results show that the buckwheat hull modified celluloses have more stronger absorbability of Pb2+ than others,the saturated absorption capacity of Pb2+ is 203.9875 and it can be elutriated and reproduced by 5% of ammonia solution.

结果表明,改性荞皮纤维素醚对Pb2+有很强的吸附能力,对Pb2+的吸附容量为203.9875,并且可以用5%的氨水溶液洗脱再生。

The Diazo Developer 460 develops diazo copies of printed circuit photo tool masters up to 660 mm (26) by any length.

氨水显影机 460 是用于印制线路板的重氮片显影成像的重要工具,宽度最大可达 660 毫米(26),长度不限。

ResultsThe results showed that the best separating conditions were 150 times of 1% ammonia hydrate as eluant, and the elution velocity was 5.0ml/min.

结果在考察范围内,最佳分离条件为:150倍量1%氨水,洗脱速度5.0 ml/min。

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